Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1 | /* |
| 2 | * HTMLparser.c : an HTML 4.0 non-verifying parser |
| 3 | * |
| 4 | * See Copyright for the status of this software. |
| 5 | * |
| 6 | * Daniel.Veillard@w3.org |
| 7 | */ |
| 8 | |
| 9 | #ifdef WIN32 |
Daniel Veillard | 3c558c3 | 1999-12-22 11:30:41 +0000 | [diff] [blame] | 10 | #include "win32config.h" |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 11 | #else |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 12 | #include "config.h" |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 13 | #endif |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 14 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 15 | #include <stdio.h> |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 16 | #include <string.h> /* for memset() only */ |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 17 | #ifdef HAVE_CTYPE_H |
| 18 | #include <ctype.h> |
| 19 | #endif |
| 20 | #ifdef HAVE_STDLIB_H |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 21 | #include <stdlib.h> |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 22 | #endif |
| 23 | #ifdef HAVE_SYS_STAT_H |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 24 | #include <sys/stat.h> |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 25 | #endif |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 26 | #ifdef HAVE_FCNTL_H |
| 27 | #include <fcntl.h> |
| 28 | #endif |
| 29 | #ifdef HAVE_UNISTD_H |
| 30 | #include <unistd.h> |
| 31 | #endif |
| 32 | #ifdef HAVE_ZLIB_H |
| 33 | #include <zlib.h> |
| 34 | #endif |
| 35 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 36 | #include "xmlmemory.h" |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 37 | #include "tree.h" |
| 38 | #include "HTMLparser.h" |
| 39 | #include "entities.h" |
| 40 | #include "encoding.h" |
| 41 | #include "valid.h" |
| 42 | #include "parserInternals.h" |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 43 | #include "xmlIO.h" |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 44 | #include "xml-error.h" |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 45 | |
| 46 | #define HTML_MAX_NAMELEN 1000 |
| 47 | #define INPUT_CHUNK 50 |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 48 | #define HTML_PARSER_BIG_BUFFER_SIZE 1024 |
| 49 | #define HTML_PARSER_BUFFER_SIZE 100 |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 50 | |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 51 | /* #define DEBUG */ |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 52 | /* #define DEBUG_PUSH */ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 53 | |
| 54 | /************************************************************************ |
| 55 | * * |
| 56 | * Parser stacks related functions and macros * |
| 57 | * * |
| 58 | ************************************************************************/ |
| 59 | |
| 60 | /* |
| 61 | * Generic function for accessing stacks in the Parser Context |
| 62 | */ |
| 63 | |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 64 | #define PUSH_AND_POP(scope, type, name) \ |
| 65 | scope int html##name##Push(htmlParserCtxtPtr ctxt, type value) { \ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 66 | if (ctxt->name##Nr >= ctxt->name##Max) { \ |
| 67 | ctxt->name##Max *= 2; \ |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 68 | ctxt->name##Tab = (void *) xmlRealloc(ctxt->name##Tab, \ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 69 | ctxt->name##Max * sizeof(ctxt->name##Tab[0])); \ |
| 70 | if (ctxt->name##Tab == NULL) { \ |
| 71 | fprintf(stderr, "realloc failed !\n"); \ |
Daniel Veillard | 0142b84 | 2000-01-14 14:45:24 +0000 | [diff] [blame] | 72 | return(0); \ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 73 | } \ |
| 74 | } \ |
| 75 | ctxt->name##Tab[ctxt->name##Nr] = value; \ |
| 76 | ctxt->name = value; \ |
| 77 | return(ctxt->name##Nr++); \ |
| 78 | } \ |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 79 | scope type html##name##Pop(htmlParserCtxtPtr ctxt) { \ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 80 | type ret; \ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 81 | if (ctxt->name##Nr < 0) return(0); \ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 82 | ctxt->name##Nr--; \ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 83 | if (ctxt->name##Nr < 0) return(0); \ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 84 | if (ctxt->name##Nr > 0) \ |
| 85 | ctxt->name = ctxt->name##Tab[ctxt->name##Nr - 1]; \ |
| 86 | else \ |
| 87 | ctxt->name = NULL; \ |
| 88 | ret = ctxt->name##Tab[ctxt->name##Nr]; \ |
| 89 | ctxt->name##Tab[ctxt->name##Nr] = 0; \ |
| 90 | return(ret); \ |
| 91 | } \ |
| 92 | |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 93 | PUSH_AND_POP(extern, xmlNodePtr, node) |
| 94 | PUSH_AND_POP(extern, xmlChar*, name) |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 95 | |
| 96 | /* |
| 97 | * Macros for accessing the content. Those should be used only by the parser, |
| 98 | * and not exported. |
| 99 | * |
| 100 | * Dirty macros, i.e. one need to make assumption on the context to use them |
| 101 | * |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 102 | * CUR_PTR return the current pointer to the xmlChar to be parsed. |
| 103 | * CUR returns the current xmlChar value, i.e. a 8 bit value if compiled |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 104 | * in ISO-Latin or UTF-8, and the current 16 bit value if compiled |
| 105 | * in UNICODE mode. This should be used internally by the parser |
| 106 | * only to compare to ASCII values otherwise it would break when |
| 107 | * running with UTF-8 encoding. |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 108 | * NXT(n) returns the n'th next xmlChar. Same as CUR is should be used only |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 109 | * to compare on ASCII based substring. |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 110 | * UPP(n) returns the n'th next xmlChar converted to uppercase. Same as CUR |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 111 | * it should be used only to compare on ASCII based substring. |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 112 | * SKIP(n) Skip n xmlChar, and must also be used only to skip ASCII defined |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 113 | * strings within the parser. |
| 114 | * |
| 115 | * Clean macros, not dependent of an ASCII context, expect UTF-8 encoding |
| 116 | * |
| 117 | * CURRENT Returns the current char value, with the full decoding of |
| 118 | * UTF-8 if we are using this mode. It returns an int. |
| 119 | * NEXT Skip to the next character, this does the proper decoding |
| 120 | * in UTF-8 mode. It also pop-up unfinished entities on the fly. |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 121 | * COPY(to) copy one char to *to, increment CUR_PTR and to accordingly |
| 122 | */ |
| 123 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 124 | #define CUR ((int) (*ctxt->input->cur)) |
| 125 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 126 | #define UPPER (toupper(*ctxt->input->cur)) |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 127 | |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 128 | #define SKIP(val) ctxt->nbChars += (val),ctxt->input->cur += (val) |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 129 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 130 | #define NXT(val) ctxt->input->cur[(val)] |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 131 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 132 | #define UPP(val) (toupper(ctxt->input->cur[(val)])) |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 133 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 134 | #define CUR_PTR ctxt->input->cur |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 135 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 136 | #define SHRINK xmlParserInputShrink(ctxt->input) |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 137 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 138 | #define GROW xmlParserInputGrow(ctxt->input, INPUT_CHUNK) |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 139 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 140 | #define CURRENT ((int) (*ctxt->input->cur)) |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 141 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 142 | #define NEXT htmlNextChar(ctxt); |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 143 | |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 144 | #define SKIP_BLANKS htmlSkipBlankChars(ctxt); |
| 145 | |
| 146 | /** |
| 147 | * htmlNextChar: |
| 148 | * @ctxt: the HTML parser context |
| 149 | * |
| 150 | * Skip to the next char input char. |
| 151 | */ |
| 152 | |
| 153 | void |
| 154 | htmlNextChar(htmlParserCtxtPtr ctxt) { |
| 155 | if ((*ctxt->input->cur == 0) && |
| 156 | (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) { |
| 157 | xmlPopInput(ctxt); |
| 158 | } else { |
| 159 | if (*(ctxt->input->cur) == '\n') { |
| 160 | ctxt->input->line++; ctxt->input->col = 1; |
| 161 | } else ctxt->input->col++; |
| 162 | ctxt->input->cur++; |
| 163 | ctxt->nbChars++; |
| 164 | if (*ctxt->input->cur == 0) |
| 165 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * htmlSkipBlankChars: |
| 171 | * @ctxt: the HTML parser context |
| 172 | * |
| 173 | * skip all blanks character found at that point in the input streams. |
| 174 | * |
| 175 | * Returns the number of space chars skipped |
| 176 | */ |
| 177 | |
| 178 | int |
| 179 | htmlSkipBlankChars(xmlParserCtxtPtr ctxt) { |
| 180 | int res = 0; |
| 181 | |
| 182 | while (IS_BLANK(*(ctxt->input->cur))) { |
| 183 | if ((*ctxt->input->cur == 0) && |
| 184 | (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) { |
| 185 | xmlPopInput(ctxt); |
| 186 | } else { |
| 187 | if (*(ctxt->input->cur) == '\n') { |
| 188 | ctxt->input->line++; ctxt->input->col = 1; |
| 189 | } else ctxt->input->col++; |
| 190 | ctxt->input->cur++; |
| 191 | ctxt->nbChars++; |
| 192 | if (*ctxt->input->cur == 0) |
| 193 | xmlParserInputGrow(ctxt->input, INPUT_CHUNK); |
| 194 | } |
| 195 | res++; |
| 196 | } |
| 197 | return(res); |
| 198 | } |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 199 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 200 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 201 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 202 | /************************************************************************ |
| 203 | * * |
| 204 | * The list of HTML elements and their properties * |
| 205 | * * |
| 206 | ************************************************************************/ |
| 207 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 208 | /* |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 209 | * Start Tag: 1 means the start tag can be ommited |
| 210 | * End Tag: 1 means the end tag can be ommited |
| 211 | * 2 means it's forbidden (empty elements) |
| 212 | * Depr: this element is deprecated |
| 213 | * DTD: 1 means that this element is valid only in the Loose DTD |
| 214 | * 2 means that this element is valid only in the Frameset DTD |
| 215 | * |
| 216 | * Name,Start Tag,End Tag, Empty, Depr., DTD, Description |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 217 | */ |
| 218 | htmlElemDesc html40ElementTable[] = { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 219 | { "a", 0, 0, 0, 0, 0, "anchor " }, |
| 220 | { "abbr", 0, 0, 0, 0, 0, "abbreviated form" }, |
| 221 | { "acronym", 0, 0, 0, 0, 0, "" }, |
| 222 | { "address", 0, 0, 0, 0, 0, "information on author " }, |
| 223 | { "applet", 0, 0, 0, 1, 1, "java applet " }, |
| 224 | { "area", 0, 2, 1, 0, 0, "client-side image map area " }, |
| 225 | { "b", 0, 0, 0, 0, 0, "bold text style" }, |
| 226 | { "base", 0, 2, 1, 0, 0, "document base uri " }, |
| 227 | { "basefont", 0, 2, 1, 1, 1, "base font size " }, |
| 228 | { "bdo", 0, 0, 0, 0, 0, "i18n bidi over-ride " }, |
| 229 | { "big", 0, 0, 0, 0, 0, "large text style" }, |
| 230 | { "blockquote", 0, 0, 0, 0, 0, "long quotation " }, |
| 231 | { "body", 1, 1, 0, 0, 0, "document body " }, |
| 232 | { "br", 0, 2, 1, 0, 0, "forced line break " }, |
| 233 | { "button", 0, 0, 0, 0, 0, "push button " }, |
| 234 | { "caption", 0, 0, 0, 0, 0, "table caption " }, |
| 235 | { "center", 0, 0, 0, 1, 1, "shorthand for div align=center " }, |
| 236 | { "cite", 0, 0, 0, 0, 0, "citation" }, |
| 237 | { "code", 0, 0, 0, 0, 0, "computer code fragment" }, |
| 238 | { "col", 0, 2, 1, 0, 0, "table column " }, |
| 239 | { "colgroup", 0, 1, 0, 0, 0, "table column group " }, |
| 240 | { "dd", 0, 1, 0, 0, 0, "definition description " }, |
| 241 | { "del", 0, 0, 0, 0, 0, "deleted text " }, |
| 242 | { "dfn", 0, 0, 0, 0, 0, "instance definition" }, |
| 243 | { "dir", 0, 0, 0, 1, 1, "directory list" }, |
| 244 | { "div", 0, 0, 0, 0, 0, "generic language/style container"}, |
| 245 | { "dl", 0, 0, 0, 0, 0, "definition list " }, |
| 246 | { "dt", 0, 1, 0, 0, 0, "definition term " }, |
| 247 | { "em", 0, 0, 0, 0, 0, "emphasis" }, |
| 248 | { "fieldset", 0, 0, 0, 0, 0, "form control group " }, |
| 249 | { "font", 0, 0, 0, 1, 1, "local change to font " }, |
| 250 | { "form", 0, 0, 0, 0, 0, "interactive form " }, |
| 251 | { "frame", 0, 2, 1, 0, 2, "subwindow " }, |
| 252 | { "frameset", 0, 0, 0, 0, 2, "window subdivision" }, |
| 253 | { "h1", 0, 0, 0, 0, 0, "heading " }, |
| 254 | { "h2", 0, 0, 0, 0, 0, "heading " }, |
| 255 | { "h3", 0, 0, 0, 0, 0, "heading " }, |
| 256 | { "h4", 0, 0, 0, 0, 0, "heading " }, |
| 257 | { "h5", 0, 0, 0, 0, 0, "heading " }, |
| 258 | { "h6", 0, 0, 0, 0, 0, "heading " }, |
| 259 | { "head", 1, 1, 0, 0, 0, "document head " }, |
| 260 | { "hr", 0, 2, 1, 0, 0, "horizontal rule " }, |
| 261 | { "html", 1, 1, 0, 0, 0, "document root element " }, |
| 262 | { "i", 0, 0, 0, 0, 0, "italic text style" }, |
| 263 | { "iframe", 0, 0, 0, 0, 1, "inline subwindow " }, |
| 264 | { "img", 0, 2, 1, 0, 0, "embedded image " }, |
| 265 | { "input", 0, 2, 1, 0, 0, "form control " }, |
| 266 | { "ins", 0, 0, 0, 0, 0, "inserted text" }, |
| 267 | { "isindex", 0, 2, 1, 1, 1, "single line prompt " }, |
| 268 | { "kbd", 0, 0, 0, 0, 0, "text to be entered by the user" }, |
| 269 | { "label", 0, 0, 0, 0, 0, "form field label text " }, |
| 270 | { "legend", 0, 0, 0, 0, 0, "fieldset legend " }, |
| 271 | { "li", 0, 1, 0, 0, 0, "list item " }, |
| 272 | { "link", 0, 2, 1, 0, 0, "a media-independent link " }, |
| 273 | { "map", 0, 0, 0, 0, 0, "client-side image map " }, |
| 274 | { "menu", 0, 0, 0, 1, 1, "menu list " }, |
| 275 | { "meta", 0, 2, 1, 0, 0, "generic metainformation " }, |
| 276 | { "noframes", 0, 0, 0, 0, 2, "alternate content container for non frame-based rendering " }, |
| 277 | { "noscript", 0, 0, 0, 0, 0, "alternate content container for non script-based rendering " }, |
| 278 | { "object", 0, 0, 0, 0, 0, "generic embedded object " }, |
| 279 | { "ol", 0, 0, 0, 0, 0, "ordered list " }, |
| 280 | { "optgroup", 0, 0, 0, 0, 0, "option group " }, |
| 281 | { "option", 0, 1, 0, 0, 0, "selectable choice " }, |
| 282 | { "p", 0, 1, 0, 0, 0, "paragraph " }, |
| 283 | { "param", 0, 2, 1, 0, 0, "named property value " }, |
| 284 | { "pre", 0, 0, 0, 0, 0, "preformatted text " }, |
| 285 | { "q", 0, 0, 0, 0, 0, "short inline quotation " }, |
| 286 | { "s", 0, 0, 0, 1, 1, "strike-through text style" }, |
| 287 | { "samp", 0, 0, 0, 0, 0, "sample program output, scripts, etc." }, |
| 288 | { "script", 0, 0, 0, 0, 0, "script statements " }, |
| 289 | { "select", 0, 0, 0, 0, 0, "option selector " }, |
| 290 | { "small", 0, 0, 0, 0, 0, "small text style" }, |
| 291 | { "span", 0, 0, 0, 0, 0, "generic language/style container " }, |
| 292 | { "strike", 0, 0, 0, 1, 1, "strike-through text" }, |
| 293 | { "strong", 0, 0, 0, 0, 0, "strong emphasis" }, |
| 294 | { "style", 0, 0, 0, 0, 0, "style info " }, |
| 295 | { "sub", 0, 0, 0, 0, 0, "subscript" }, |
| 296 | { "sup", 0, 0, 0, 0, 0, "superscript " }, |
| 297 | { "table", 0, 0, 0, 0, 0, " " }, |
| 298 | { "tbody", 1, 1, 0, 0, 0, "table body " }, |
| 299 | { "td", 0, 1, 0, 0, 0, "table data cell" }, |
| 300 | { "textarea", 0, 0, 0, 0, 0, "multi-line text field " }, |
| 301 | { "tfoot", 0, 1, 0, 0, 0, "table footer " }, |
| 302 | { "th", 0, 1, 0, 0, 0, "table header cell" }, |
| 303 | { "thead", 0, 1, 0, 0, 0, "table header " }, |
| 304 | { "title", 0, 0, 0, 0, 0, "document title " }, |
| 305 | { "tr", 0, 1, 0, 0, 0, "table row " }, |
| 306 | { "tt", 0, 0, 0, 0, 0, "teletype or monospaced text style" }, |
| 307 | { "u", 0, 0, 0, 1, 1, "underlined text style" }, |
| 308 | { "ul", 0, 0, 0, 0, 0, "unordered list " }, |
| 309 | { "var", 0, 0, 0, 0, 0, "instance of a variable or program argument" }, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 310 | }; |
| 311 | |
| 312 | /* |
| 313 | * start tags that imply the end of a current element |
| 314 | * any tag of each line implies the end of the current element if the type of |
| 315 | * that element is in the same line |
| 316 | */ |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 317 | char *htmlEquEnd[] = { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 318 | "dt", "dd", "li", "option", NULL, |
| 319 | "h1", "h2", "h3", "h4", "h5", "h6", NULL, |
| 320 | "ol", "menu", "dir", "address", "pre", "listing", "xmp", NULL, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 321 | NULL |
| 322 | }; |
| 323 | /* |
| 324 | * acording the HTML DTD, HR should be added to the 2nd line above, as it |
| 325 | * is not allowed within a H1, H2, H3, etc. But we should tolerate that case |
| 326 | * because many documents contain rules in headings... |
| 327 | */ |
| 328 | |
| 329 | /* |
| 330 | * start tags that imply the end of current element |
| 331 | */ |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 332 | char *htmlStartClose[] = { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 333 | "form", "form", "p", "hr", "h1", "h2", "h3", "h4", "h5", "h6", |
| 334 | "dl", "ul", "ol", "menu", "dir", "address", "pre", |
| 335 | "listing", "xmp", "head", NULL, |
| 336 | "head", "p", NULL, |
| 337 | "title", "p", NULL, |
| 338 | "body", "head", "style", "link", "title", "p", NULL, |
| 339 | "li", "p", "h1", "h2", "h3", "h4", "h5", "h6", "dl", "address", |
| 340 | "pre", "listing", "xmp", "head", "li", NULL, |
| 341 | "hr", "p", "head", NULL, |
| 342 | "h1", "p", "head", NULL, |
| 343 | "h2", "p", "head", NULL, |
| 344 | "h3", "p", "head", NULL, |
| 345 | "h4", "p", "head", NULL, |
| 346 | "h5", "p", "head", NULL, |
| 347 | "h6", "p", "head", NULL, |
| 348 | "dir", "p", "head", NULL, |
| 349 | "address", "p", "head", "ul", NULL, |
| 350 | "pre", "p", "head", "ul", NULL, |
| 351 | "listing", "p", "head", NULL, |
| 352 | "xmp", "p", "head", NULL, |
| 353 | "blockquote", "p", "head", NULL, |
| 354 | "dl", "p", "dt", "menu", "dir", "address", "pre", "listing", |
| 355 | "xmp", "head", NULL, |
| 356 | "dt", "p", "menu", "dir", "address", "pre", "listing", "xmp", |
| 357 | "head", "dd", NULL, |
| 358 | "dd", "p", "menu", "dir", "address", "pre", "listing", "xmp", |
| 359 | "head", "dt", NULL, |
| 360 | "ul", "p", "head", "ol", "menu", "dir", "address", "pre", |
| 361 | "listing", "xmp", NULL, |
| 362 | "ol", "p", "head", "ul", NULL, |
| 363 | "menu", "p", "head", "ul", NULL, |
| 364 | "p", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", NULL, |
| 365 | "div", "p", "head", NULL, |
| 366 | "noscript", "p", "head", NULL, |
| 367 | "center", "font", "b", "i", "p", "head", NULL, |
| 368 | "a", "a", NULL, |
| 369 | "caption", "p", NULL, |
| 370 | "colgroup", "caption", "colgroup", "col", "p", NULL, |
| 371 | "col", "caption", "col", "p", NULL, |
| 372 | "table", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", "pre", |
| 373 | "listing", "xmp", "a", NULL, |
| 374 | "th", "th", "td", NULL, |
| 375 | "td", "th", "td", "p", NULL, |
| 376 | "tr", "th", "td", "tr", "caption", "col", "colgroup", "p", NULL, |
| 377 | "thead", "caption", "col", "colgroup", NULL, |
| 378 | "tfoot", "th", "td", "tr", "caption", "col", "colgroup", "thead", |
| 379 | "tbody", "p", NULL, |
| 380 | "tbody", "th", "td", "tr", "caption", "col", "colgroup", "thead", |
| 381 | "tfoot", "tbody", "p", NULL, |
| 382 | "optgroup", "option", NULL, |
| 383 | "fieldset", "legend", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", |
| 384 | "pre", "listing", "xmp", "a", NULL, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 385 | NULL |
| 386 | }; |
| 387 | |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 388 | static char** htmlStartCloseIndex[100]; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 389 | static int htmlStartCloseIndexinitialized = 0; |
| 390 | |
| 391 | /************************************************************************ |
| 392 | * * |
| 393 | * functions to handle HTML specific data * |
| 394 | * * |
| 395 | ************************************************************************/ |
| 396 | |
| 397 | /** |
| 398 | * htmlInitAutoClose: |
| 399 | * |
| 400 | * Initialize the htmlStartCloseIndex for fast lookup of closing tags names. |
| 401 | * |
| 402 | */ |
| 403 | void |
| 404 | htmlInitAutoClose(void) { |
| 405 | int index, i = 0; |
| 406 | |
| 407 | if (htmlStartCloseIndexinitialized) return; |
| 408 | |
| 409 | for (index = 0;index < 100;index ++) htmlStartCloseIndex[index] = NULL; |
| 410 | index = 0; |
| 411 | while ((htmlStartClose[i] != NULL) && (index < 100 - 1)) { |
| 412 | htmlStartCloseIndex[index++] = &htmlStartClose[i]; |
| 413 | while (htmlStartClose[i] != NULL) i++; |
| 414 | i++; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * htmlTagLookup: |
| 420 | * @tag: The tag name |
| 421 | * |
| 422 | * Lookup the HTML tag in the ElementTable |
| 423 | * |
| 424 | * Returns the related htmlElemDescPtr or NULL if not found. |
| 425 | */ |
| 426 | htmlElemDescPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 427 | htmlTagLookup(const xmlChar *tag) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 428 | int i = 0; |
| 429 | |
| 430 | for (i = 0; i < (sizeof(html40ElementTable) / |
| 431 | sizeof(html40ElementTable[0]));i++) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 432 | if (!xmlStrcmp(tag, BAD_CAST html40ElementTable[i].name)) |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 433 | return(&html40ElementTable[i]); |
| 434 | } |
| 435 | return(NULL); |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * htmlCheckAutoClose: |
| 440 | * @new: The new tag name |
| 441 | * @old: The old tag name |
| 442 | * |
| 443 | * Checks wether the new tag is one of the registered valid tags for closing old. |
| 444 | * Initialize the htmlStartCloseIndex for fast lookup of closing tags names. |
| 445 | * |
| 446 | * Returns 0 if no, 1 if yes. |
| 447 | */ |
| 448 | int |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 449 | htmlCheckAutoClose(const xmlChar *new, const xmlChar *old) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 450 | int i, index; |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 451 | char **close; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 452 | |
| 453 | if (htmlStartCloseIndexinitialized == 0) htmlInitAutoClose(); |
| 454 | |
| 455 | /* inefficient, but not a big deal */ |
| 456 | for (index = 0; index < 100;index++) { |
| 457 | close = htmlStartCloseIndex[index]; |
| 458 | if (close == NULL) return(0); |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 459 | if (!xmlStrcmp(BAD_CAST *close, new)) break; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 460 | } |
| 461 | |
| 462 | i = close - htmlStartClose; |
| 463 | i++; |
| 464 | while (htmlStartClose[i] != NULL) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 465 | if (!xmlStrcmp(BAD_CAST htmlStartClose[i], old)) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 466 | return(1); |
| 467 | } |
| 468 | i++; |
| 469 | } |
| 470 | return(0); |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * htmlAutoClose: |
| 475 | * @ctxt: an HTML parser context |
| 476 | * @new: The new tag name |
| 477 | * |
| 478 | * The HTmL DtD allows a tag to implicitely close other tags. |
| 479 | * The list is kept in htmlStartClose array. This function is |
| 480 | * called when a new tag has been detected and generates the |
| 481 | * appropriates closes if possible/needed. |
| 482 | */ |
| 483 | void |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 484 | htmlAutoClose(htmlParserCtxtPtr ctxt, const xmlChar *new) { |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 485 | xmlChar *oldname; |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 486 | while ((ctxt->name != NULL) && |
| 487 | (htmlCheckAutoClose(new, ctxt->name))) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 488 | #ifdef DEBUG |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 489 | fprintf(stderr,"htmlAutoClose: %s closes %s\n", new, ctxt->name); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 490 | #endif |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 491 | if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 492 | ctxt->sax->endElement(ctxt->userData, ctxt->name); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 493 | oldname = htmlnamePop(ctxt); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 494 | if (oldname != NULL) { |
| 495 | #ifdef DEBUG |
| 496 | fprintf(stderr,"htmlAutoClose: popped %s\n", oldname); |
| 497 | #endif |
| 498 | xmlFree(oldname); |
| 499 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 500 | } |
| 501 | } |
| 502 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 503 | /** |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 504 | * htmlAutoCloseTag: |
| 505 | * @doc: the HTML document |
| 506 | * @name: The tag name |
| 507 | * @elem: the HTML element |
| 508 | * |
| 509 | * The HTmL DtD allows a tag to implicitely close other tags. |
| 510 | * The list is kept in htmlStartClose array. This function checks |
| 511 | * if the element or one of it's children would autoclose the |
| 512 | * given tag. |
| 513 | * |
| 514 | * Returns 1 if autoclose, 0 otherwise |
| 515 | */ |
| 516 | int |
| 517 | htmlAutoCloseTag(htmlDocPtr doc, const xmlChar *name, htmlNodePtr elem) { |
| 518 | htmlNodePtr child; |
| 519 | |
| 520 | if (elem == NULL) return(1); |
| 521 | if (!xmlStrcmp(name, elem->name)) return(0); |
| 522 | if (htmlCheckAutoClose(elem->name, name)) return(1); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 523 | child = elem->children; |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 524 | while (child != NULL) { |
| 525 | if (htmlAutoCloseTag(doc, name, child)) return(1); |
| 526 | child = child->next; |
| 527 | } |
| 528 | return(0); |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * htmlIsAutoClosed: |
| 533 | * @doc: the HTML document |
| 534 | * @elem: the HTML element |
| 535 | * |
| 536 | * The HTmL DtD allows a tag to implicitely close other tags. |
| 537 | * The list is kept in htmlStartClose array. This function checks |
| 538 | * if a tag is autoclosed by one of it's child |
| 539 | * |
| 540 | * Returns 1 if autoclosed, 0 otherwise |
| 541 | */ |
| 542 | int |
| 543 | htmlIsAutoClosed(htmlDocPtr doc, htmlNodePtr elem) { |
| 544 | htmlNodePtr child; |
| 545 | |
| 546 | if (elem == NULL) return(1); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 547 | child = elem->children; |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 548 | while (child != NULL) { |
| 549 | if (htmlAutoCloseTag(doc, elem->name, child)) return(1); |
| 550 | child = child->next; |
| 551 | } |
| 552 | return(0); |
| 553 | } |
| 554 | |
| 555 | /** |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 556 | * htmlAutoCloseOnClose: |
| 557 | * @ctxt: an HTML parser context |
| 558 | * @new: The new tag name |
| 559 | * |
| 560 | * The HTmL DtD allows an ending tag to implicitely close other tags. |
| 561 | */ |
| 562 | void |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 563 | htmlAutoCloseOnClose(htmlParserCtxtPtr ctxt, const xmlChar *new) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 564 | htmlElemDescPtr info; |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 565 | xmlChar *oldname; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 566 | int i; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 567 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 568 | #ifdef DEBUG |
| 569 | fprintf(stderr,"Close of %s stack: %d elements\n", new, ctxt->nameNr); |
| 570 | for (i = 0;i < ctxt->nameNr;i++) |
| 571 | fprintf(stderr,"%d : %s\n", i, ctxt->nameTab[i]); |
| 572 | #endif |
| 573 | |
| 574 | for (i = (ctxt->nameNr - 1);i >= 0;i--) { |
| 575 | if (!xmlStrcmp(new, ctxt->nameTab[i])) break; |
| 576 | } |
| 577 | if (i < 0) return; |
| 578 | |
| 579 | while (xmlStrcmp(new, ctxt->name)) { |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 580 | info = htmlTagLookup(ctxt->name); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 581 | if ((info == NULL) || (info->endTag == 1)) { |
| 582 | #ifdef DEBUG |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 583 | fprintf(stderr,"htmlAutoCloseOnClose: %s closes %s\n", new, ctxt->name); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 584 | #endif |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 585 | } else { |
| 586 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 587 | ctxt->sax->error(ctxt->userData, |
| 588 | "Opening and ending tag mismatch: %s and %s\n", |
| 589 | new, ctxt->name); |
| 590 | ctxt->wellFormed = 0; |
| 591 | } |
| 592 | if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| 593 | ctxt->sax->endElement(ctxt->userData, ctxt->name); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 594 | oldname = htmlnamePop(ctxt); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 595 | if (oldname != NULL) { |
| 596 | #ifdef DEBUG |
| 597 | fprintf(stderr,"htmlAutoCloseOnClose: popped %s\n", oldname); |
| 598 | #endif |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 599 | xmlFree(oldname); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 600 | } |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 601 | } |
| 602 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 603 | |
| 604 | /************************************************************************ |
| 605 | * * |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 606 | * The list of HTML predefined entities * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 607 | * * |
| 608 | ************************************************************************/ |
| 609 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 610 | |
| 611 | htmlEntityDesc html40EntitiesTable[] = { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 612 | /* |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 613 | * the 4 absolute ones, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 614 | */ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 615 | { 34, "quot", "quotation mark = APL quote, U+0022 ISOnum" }, |
| 616 | { 38, "amp", "ampersand, U+0026 ISOnum" }, |
| 617 | { 60, "lt", "less-than sign, U+003C ISOnum" }, |
| 618 | { 62, "gt", "greater-than sign, U+003E ISOnum" }, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 619 | |
| 620 | /* |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 621 | * A bunch still in the 128-255 range |
| 622 | * Replacing them depend really on the charset used. |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 623 | */ |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 624 | { 39, "apos", "single quote" }, |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 625 | { 160, "nbsp", "no-break space = non-breaking space, U+00A0 ISOnum" }, |
| 626 | { 161, "iexcl","inverted exclamation mark, U+00A1 ISOnum" }, |
| 627 | { 162, "cent", "cent sign, U+00A2 ISOnum" }, |
| 628 | { 163, "pound","pound sign, U+00A3 ISOnum" }, |
| 629 | { 164, "curren","currency sign, U+00A4 ISOnum" }, |
| 630 | { 165, "yen", "yen sign = yuan sign, U+00A5 ISOnum" }, |
| 631 | { 166, "brvbar","broken bar = broken vertical bar, U+00A6 ISOnum" }, |
| 632 | { 167, "sect", "section sign, U+00A7 ISOnum" }, |
| 633 | { 168, "uml", "diaeresis = spacing diaeresis, U+00A8 ISOdia" }, |
| 634 | { 169, "copy", "copyright sign, U+00A9 ISOnum" }, |
| 635 | { 170, "ordf", "feminine ordinal indicator, U+00AA ISOnum" }, |
| 636 | { 171, "laquo","left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum" }, |
| 637 | { 172, "not", "not sign, U+00AC ISOnum" }, |
| 638 | { 173, "shy", "soft hyphen = discretionary hyphen, U+00AD ISOnum" }, |
| 639 | { 174, "reg", "registered sign = registered trade mark sign, U+00AE ISOnum" }, |
| 640 | { 175, "macr", "macron = spacing macron = overline = APL overbar, U+00AF ISOdia" }, |
| 641 | { 176, "deg", "degree sign, U+00B0 ISOnum" }, |
| 642 | { 177, "plusmn","plus-minus sign = plus-or-minus sign, U+00B1 ISOnum" }, |
| 643 | { 178, "sup2", "superscript two = superscript digit two = squared, U+00B2 ISOnum" }, |
| 644 | { 179, "sup3", "superscript three = superscript digit three = cubed, U+00B3 ISOnum" }, |
| 645 | { 180, "acute","acute accent = spacing acute, U+00B4 ISOdia" }, |
| 646 | { 181, "micro","micro sign, U+00B5 ISOnum" }, |
| 647 | { 182, "para", "pilcrow sign = paragraph sign, U+00B6 ISOnum" }, |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 648 | { 183, "middot","middle dot = Georgian comma Greek middle dot, U+00B7 ISOnum" }, |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 649 | { 184, "cedil","cedilla = spacing cedilla, U+00B8 ISOdia" }, |
| 650 | { 185, "sup1", "superscript one = superscript digit one, U+00B9 ISOnum" }, |
| 651 | { 186, "ordm", "masculine ordinal indicator, U+00BA ISOnum" }, |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 652 | { 187, "raquo","right-pointing double angle quotation mark right pointing guillemet, U+00BB ISOnum" }, |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 653 | { 188, "frac14","vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum" }, |
| 654 | { 189, "frac12","vulgar fraction one half = fraction one half, U+00BD ISOnum" }, |
| 655 | { 190, "frac34","vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum" }, |
| 656 | { 191, "iquest","inverted question mark = turned question mark, U+00BF ISOnum" }, |
| 657 | { 192, "Agrave","latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1" }, |
| 658 | { 193, "Aacute","latin capital letter A with acute, U+00C1 ISOlat1" }, |
| 659 | { 194, "Acirc","latin capital letter A with circumflex, U+00C2 ISOlat1" }, |
| 660 | { 195, "Atilde","latin capital letter A with tilde, U+00C3 ISOlat1" }, |
| 661 | { 196, "Auml", "latin capital letter A with diaeresis, U+00C4 ISOlat1" }, |
| 662 | { 197, "Aring","latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1" }, |
| 663 | { 198, "AElig","latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1" }, |
| 664 | { 199, "Ccedil","latin capital letter C with cedilla, U+00C7 ISOlat1" }, |
| 665 | { 200, "Egrave","latin capital letter E with grave, U+00C8 ISOlat1" }, |
| 666 | { 201, "Eacute","latin capital letter E with acute, U+00C9 ISOlat1" }, |
| 667 | { 202, "Ecirc","latin capital letter E with circumflex, U+00CA ISOlat1" }, |
| 668 | { 203, "Euml", "latin capital letter E with diaeresis, U+00CB ISOlat1" }, |
| 669 | { 204, "Igrave","latin capital letter I with grave, U+00CC ISOlat1" }, |
| 670 | { 205, "Iacute","latin capital letter I with acute, U+00CD ISOlat1" }, |
| 671 | { 206, "Icirc","latin capital letter I with circumflex, U+00CE ISOlat1" }, |
| 672 | { 207, "Iuml", "latin capital letter I with diaeresis, U+00CF ISOlat1" }, |
| 673 | { 208, "ETH", "latin capital letter ETH, U+00D0 ISOlat1" }, |
| 674 | { 209, "Ntilde","latin capital letter N with tilde, U+00D1 ISOlat1" }, |
| 675 | { 210, "Ograve","latin capital letter O with grave, U+00D2 ISOlat1" }, |
| 676 | { 211, "Oacute","latin capital letter O with acute, U+00D3 ISOlat1" }, |
| 677 | { 212, "Ocirc","latin capital letter O with circumflex, U+00D4 ISOlat1" }, |
| 678 | { 213, "Otilde","latin capital letter O with tilde, U+00D5 ISOlat1" }, |
| 679 | { 214, "Ouml", "latin capital letter O with diaeresis, U+00D6 ISOlat1" }, |
| 680 | { 215, "times","multiplication sign, U+00D7 ISOnum" }, |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 681 | { 216, "Oslash","latin capital letter O with stroke latin capital letter O slash, U+00D8 ISOlat1" }, |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 682 | { 217, "Ugrave","latin capital letter U with grave, U+00D9 ISOlat1" }, |
| 683 | { 218, "Uacute","latin capital letter U with acute, U+00DA ISOlat1" }, |
| 684 | { 219, "Ucirc","latin capital letter U with circumflex, U+00DB ISOlat1" }, |
| 685 | { 220, "Uuml", "latin capital letter U with diaeresis, U+00DC ISOlat1" }, |
| 686 | { 221, "Yacute","latin capital letter Y with acute, U+00DD ISOlat1" }, |
| 687 | { 222, "THORN","latin capital letter THORN, U+00DE ISOlat1" }, |
| 688 | { 223, "szlig","latin small letter sharp s = ess-zed, U+00DF ISOlat1" }, |
| 689 | { 224, "agrave","latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1" }, |
| 690 | { 225, "aacute","latin small letter a with acute, U+00E1 ISOlat1" }, |
| 691 | { 226, "acirc","latin small letter a with circumflex, U+00E2 ISOlat1" }, |
| 692 | { 227, "atilde","latin small letter a with tilde, U+00E3 ISOlat1" }, |
| 693 | { 228, "auml", "latin small letter a with diaeresis, U+00E4 ISOlat1" }, |
| 694 | { 229, "aring","latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1" }, |
| 695 | { 230, "aelig","latin small letter ae = latin small ligature ae, U+00E6 ISOlat1" }, |
| 696 | { 231, "ccedil","latin small letter c with cedilla, U+00E7 ISOlat1" }, |
| 697 | { 232, "egrave","latin small letter e with grave, U+00E8 ISOlat1" }, |
| 698 | { 233, "eacute","latin small letter e with acute, U+00E9 ISOlat1" }, |
| 699 | { 234, "ecirc","latin small letter e with circumflex, U+00EA ISOlat1" }, |
| 700 | { 235, "euml", "latin small letter e with diaeresis, U+00EB ISOlat1" }, |
| 701 | { 236, "igrave","latin small letter i with grave, U+00EC ISOlat1" }, |
| 702 | { 237, "iacute","latin small letter i with acute, U+00ED ISOlat1" }, |
| 703 | { 238, "icirc","latin small letter i with circumflex, U+00EE ISOlat1" }, |
| 704 | { 239, "iuml", "latin small letter i with diaeresis, U+00EF ISOlat1" }, |
| 705 | { 240, "eth", "latin small letter eth, U+00F0 ISOlat1" }, |
| 706 | { 241, "ntilde","latin small letter n with tilde, U+00F1 ISOlat1" }, |
| 707 | { 242, "ograve","latin small letter o with grave, U+00F2 ISOlat1" }, |
| 708 | { 243, "oacute","latin small letter o with acute, U+00F3 ISOlat1" }, |
| 709 | { 244, "ocirc","latin small letter o with circumflex, U+00F4 ISOlat1" }, |
| 710 | { 245, "otilde","latin small letter o with tilde, U+00F5 ISOlat1" }, |
| 711 | { 246, "ouml", "latin small letter o with diaeresis, U+00F6 ISOlat1" }, |
| 712 | { 247, "divide","division sign, U+00F7 ISOnum" }, |
| 713 | { 248, "oslash","latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1" }, |
| 714 | { 249, "ugrave","latin small letter u with grave, U+00F9 ISOlat1" }, |
| 715 | { 250, "uacute","latin small letter u with acute, U+00FA ISOlat1" }, |
| 716 | { 251, "ucirc","latin small letter u with circumflex, U+00FB ISOlat1" }, |
| 717 | { 252, "uuml", "latin small letter u with diaeresis, U+00FC ISOlat1" }, |
| 718 | { 253, "yacute","latin small letter y with acute, U+00FD ISOlat1" }, |
| 719 | { 254, "thorn","latin small letter thorn with, U+00FE ISOlat1" }, |
| 720 | { 255, "yuml", "latin small letter y with diaeresis, U+00FF ISOlat1" }, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 721 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 722 | /* |
| 723 | * Anything below should really be kept as entities references |
| 724 | */ |
| 725 | { 402, "fnof", "latin small f with hook = function = florin, U+0192 ISOtech" }, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 726 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 727 | { 913, "Alpha","greek capital letter alpha, U+0391" }, |
| 728 | { 914, "Beta", "greek capital letter beta, U+0392" }, |
| 729 | { 915, "Gamma","greek capital letter gamma, U+0393 ISOgrk3" }, |
| 730 | { 916, "Delta","greek capital letter delta, U+0394 ISOgrk3" }, |
| 731 | { 917, "Epsilon","greek capital letter epsilon, U+0395" }, |
| 732 | { 918, "Zeta", "greek capital letter zeta, U+0396" }, |
| 733 | { 919, "Eta", "greek capital letter eta, U+0397" }, |
| 734 | { 920, "Theta","greek capital letter theta, U+0398 ISOgrk3" }, |
| 735 | { 921, "Iota", "greek capital letter iota, U+0399" }, |
| 736 | { 922, "Kappa","greek capital letter kappa, U+039A" }, |
| 737 | { 923, "Lambda""greek capital letter lambda, U+039B ISOgrk3" }, |
| 738 | { 924, "Mu", "greek capital letter mu, U+039C" }, |
| 739 | { 925, "Nu", "greek capital letter nu, U+039D" }, |
| 740 | { 926, "Xi", "greek capital letter xi, U+039E ISOgrk3" }, |
| 741 | { 927, "Omicron","greek capital letter omicron, U+039F" }, |
| 742 | { 928, "Pi", "greek capital letter pi, U+03A0 ISOgrk3" }, |
| 743 | { 929, "Rho", "greek capital letter rho, U+03A1" }, |
| 744 | { 931, "Sigma","greek capital letter sigma, U+03A3 ISOgrk3" }, |
| 745 | { 932, "Tau", "greek capital letter tau, U+03A4" }, |
| 746 | { 933, "Upsilon","greek capital letter upsilon, U+03A5 ISOgrk3" }, |
| 747 | { 934, "Phi", "greek capital letter phi, U+03A6 ISOgrk3" }, |
| 748 | { 935, "Chi", "greek capital letter chi, U+03A7" }, |
| 749 | { 936, "Psi", "greek capital letter psi, U+03A8 ISOgrk3" }, |
| 750 | { 937, "Omega","greek capital letter omega, U+03A9 ISOgrk3" }, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 751 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 752 | { 945, "alpha","greek small letter alpha, U+03B1 ISOgrk3" }, |
| 753 | { 946, "beta", "greek small letter beta, U+03B2 ISOgrk3" }, |
| 754 | { 947, "gamma","greek small letter gamma, U+03B3 ISOgrk3" }, |
| 755 | { 948, "delta","greek small letter delta, U+03B4 ISOgrk3" }, |
| 756 | { 949, "epsilon","greek small letter epsilon, U+03B5 ISOgrk3" }, |
| 757 | { 950, "zeta", "greek small letter zeta, U+03B6 ISOgrk3" }, |
| 758 | { 951, "eta", "greek small letter eta, U+03B7 ISOgrk3" }, |
| 759 | { 952, "theta","greek small letter theta, U+03B8 ISOgrk3" }, |
| 760 | { 953, "iota", "greek small letter iota, U+03B9 ISOgrk3" }, |
| 761 | { 954, "kappa","greek small letter kappa, U+03BA ISOgrk3" }, |
| 762 | { 955, "lambda","greek small letter lambda, U+03BB ISOgrk3" }, |
| 763 | { 956, "mu", "greek small letter mu, U+03BC ISOgrk3" }, |
| 764 | { 957, "nu", "greek small letter nu, U+03BD ISOgrk3" }, |
| 765 | { 958, "xi", "greek small letter xi, U+03BE ISOgrk3" }, |
| 766 | { 959, "omicron","greek small letter omicron, U+03BF NEW" }, |
| 767 | { 960, "pi", "greek small letter pi, U+03C0 ISOgrk3" }, |
| 768 | { 961, "rho", "greek small letter rho, U+03C1 ISOgrk3" }, |
| 769 | { 962, "sigmaf","greek small letter final sigma, U+03C2 ISOgrk3" }, |
| 770 | { 963, "sigma","greek small letter sigma, U+03C3 ISOgrk3" }, |
| 771 | { 964, "tau", "greek small letter tau, U+03C4 ISOgrk3" }, |
| 772 | { 965, "upsilon","greek small letter upsilon, U+03C5 ISOgrk3" }, |
| 773 | { 966, "phi", "greek small letter phi, U+03C6 ISOgrk3" }, |
| 774 | { 967, "chi", "greek small letter chi, U+03C7 ISOgrk3" }, |
| 775 | { 968, "psi", "greek small letter psi, U+03C8 ISOgrk3" }, |
| 776 | { 969, "omega","greek small letter omega, U+03C9 ISOgrk3" }, |
| 777 | { 977, "thetasym","greek small letter theta symbol, U+03D1 NEW" }, |
| 778 | { 978, "upsih","greek upsilon with hook symbol, U+03D2 NEW" }, |
| 779 | { 982, "piv", "greek pi symbol, U+03D6 ISOgrk3" }, |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 780 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 781 | { 8226, "bull", "bullet = black small circle, U+2022 ISOpub" }, |
| 782 | { 8230, "hellip","horizontal ellipsis = three dot leader, U+2026 ISOpub" }, |
| 783 | { 8242, "prime","prime = minutes = feet, U+2032 ISOtech" }, |
| 784 | { 8243, "Prime","double prime = seconds = inches, U+2033 ISOtech" }, |
| 785 | { 8254, "oline","overline = spacing overscore, U+203E NEW" }, |
| 786 | { 8260, "frasl","fraction slash, U+2044 NEW" }, |
| 787 | |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 788 | { 8472, "weierp","script capital P = power set = Weierstrass p, U+2118 ISOamso" }, |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 789 | { 8465, "image","blackletter capital I = imaginary part, U+2111 ISOamso" }, |
| 790 | { 8476, "real", "blackletter capital R = real part symbol, U+211C ISOamso" }, |
| 791 | { 8482, "trade","trade mark sign, U+2122 ISOnum" }, |
| 792 | { 8501, "alefsym","alef symbol = first transfinite cardinal, U+2135 NEW" }, |
| 793 | { 8592, "larr", "leftwards arrow, U+2190 ISOnum" }, |
| 794 | { 8593, "uarr", "upwards arrow, U+2191 ISOnum" }, |
| 795 | { 8594, "rarr", "rightwards arrow, U+2192 ISOnum" }, |
| 796 | { 8595, "darr", "downwards arrow, U+2193 ISOnum" }, |
| 797 | { 8596, "harr", "left right arrow, U+2194 ISOamsa" }, |
| 798 | { 8629, "crarr","downwards arrow with corner leftwards = carriage return, U+21B5 NEW" }, |
| 799 | { 8656, "lArr", "leftwards double arrow, U+21D0 ISOtech" }, |
| 800 | { 8657, "uArr", "upwards double arrow, U+21D1 ISOamsa" }, |
| 801 | { 8658, "rArr", "rightwards double arrow, U+21D2 ISOtech" }, |
| 802 | { 8659, "dArr", "downwards double arrow, U+21D3 ISOamsa" }, |
| 803 | { 8660, "hArr", "left right double arrow, U+21D4 ISOamsa" }, |
| 804 | |
| 805 | |
| 806 | { 8704, "forall","for all, U+2200 ISOtech" }, |
| 807 | { 8706, "part", "partial differential, U+2202 ISOtech" }, |
| 808 | { 8707, "exist","there exists, U+2203 ISOtech" }, |
| 809 | { 8709, "empty","empty set = null set = diameter, U+2205 ISOamso" }, |
| 810 | { 8711, "nabla","nabla = backward difference, U+2207 ISOtech" }, |
| 811 | { 8712, "isin", "element of, U+2208 ISOtech" }, |
| 812 | { 8713, "notin","not an element of, U+2209 ISOtech" }, |
| 813 | { 8715, "ni", "contains as member, U+220B ISOtech" }, |
| 814 | { 8719, "prod", "n-ary product = product sign, U+220F ISOamsb" }, |
| 815 | { 8721, "sum", "n-ary sumation, U+2211 ISOamsb" }, |
| 816 | { 8722, "minus","minus sign, U+2212 ISOtech" }, |
| 817 | { 8727, "lowast","asterisk operator, U+2217 ISOtech" }, |
| 818 | { 8730, "radic","square root = radical sign, U+221A ISOtech" }, |
| 819 | { 8733, "prop", "proportional to, U+221D ISOtech" }, |
| 820 | { 8734, "infin","infinity, U+221E ISOtech" }, |
| 821 | { 8736, "ang", "angle, U+2220 ISOamso" }, |
| 822 | { 8743, "and", "logical and = wedge, U+2227 ISOtech" }, |
| 823 | { 8744, "or", "logical or = vee, U+2228 ISOtech" }, |
| 824 | { 8745, "cap", "intersection = cap, U+2229 ISOtech" }, |
| 825 | { 8746, "cup", "union = cup, U+222A ISOtech" }, |
| 826 | { 8747, "int", "integral, U+222B ISOtech" }, |
| 827 | { 8756, "there4","therefore, U+2234 ISOtech" }, |
| 828 | { 8764, "sim", "tilde operator = varies with = similar to, U+223C ISOtech" }, |
| 829 | { 8773, "cong", "approximately equal to, U+2245 ISOtech" }, |
| 830 | { 8776, "asymp","almost equal to = asymptotic to, U+2248 ISOamsr" }, |
| 831 | { 8800, "ne", "not equal to, U+2260 ISOtech" }, |
| 832 | { 8801, "equiv","identical to, U+2261 ISOtech" }, |
| 833 | { 8804, "le", "less-than or equal to, U+2264 ISOtech" }, |
| 834 | { 8805, "ge", "greater-than or equal to, U+2265 ISOtech" }, |
| 835 | { 8834, "sub", "subset of, U+2282 ISOtech" }, |
| 836 | { 8835, "sup", "superset of, U+2283 ISOtech" }, |
| 837 | { 8836, "nsub", "not a subset of, U+2284 ISOamsn" }, |
| 838 | { 8838, "sube", "subset of or equal to, U+2286 ISOtech" }, |
| 839 | { 8839, "supe", "superset of or equal to, U+2287 ISOtech" }, |
| 840 | { 8853, "oplus","circled plus = direct sum, U+2295 ISOamsb" }, |
| 841 | { 8855, "otimes","circled times = vector product, U+2297 ISOamsb" }, |
| 842 | { 8869, "perp", "up tack = orthogonal to = perpendicular, U+22A5 ISOtech" }, |
| 843 | { 8901, "sdot", "dot operator, U+22C5 ISOamsb" }, |
| 844 | { 8968, "lceil","left ceiling = apl upstile, U+2308 ISOamsc" }, |
| 845 | { 8969, "rceil","right ceiling, U+2309 ISOamsc" }, |
| 846 | { 8970, "lfloor","left floor = apl downstile, U+230A ISOamsc" }, |
| 847 | { 8971, "rfloor","right floor, U+230B ISOamsc" }, |
| 848 | { 9001, "lang", "left-pointing angle bracket = bra, U+2329 ISOtech" }, |
| 849 | { 9002, "rang", "right-pointing angle bracket = ket, U+232A ISOtech" }, |
| 850 | { 9674, "loz", "lozenge, U+25CA ISOpub" }, |
| 851 | |
| 852 | { 9824, "spades","black spade suit, U+2660 ISOpub" }, |
| 853 | { 9827, "clubs","black club suit = shamrock, U+2663 ISOpub" }, |
| 854 | { 9829, "hearts","black heart suit = valentine, U+2665 ISOpub" }, |
| 855 | { 9830, "diams","black diamond suit, U+2666 ISOpub" }, |
| 856 | |
| 857 | { 338, "OElig","latin capital ligature OE, U+0152 ISOlat2" }, |
| 858 | { 339, "oelig","latin small ligature oe, U+0153 ISOlat2" }, |
| 859 | { 352, "Scaron","latin capital letter S with caron, U+0160 ISOlat2" }, |
| 860 | { 353, "scaron","latin small letter s with caron, U+0161 ISOlat2" }, |
| 861 | { 376, "Yuml", "latin capital letter Y with diaeresis, U+0178 ISOlat2" }, |
| 862 | { 710, "circ", "modifier letter circumflex accent, U+02C6 ISOpub" }, |
| 863 | { 732, "tilde","small tilde, U+02DC ISOdia" }, |
| 864 | |
| 865 | { 8194, "ensp", "en space, U+2002 ISOpub" }, |
| 866 | { 8195, "emsp", "em space, U+2003 ISOpub" }, |
| 867 | { 8201, "thinsp","thin space, U+2009 ISOpub" }, |
| 868 | { 8204, "zwnj", "zero width non-joiner, U+200C NEW RFC 2070" }, |
| 869 | { 8205, "zwj", "zero width joiner, U+200D NEW RFC 2070" }, |
| 870 | { 8206, "lrm", "left-to-right mark, U+200E NEW RFC 2070" }, |
| 871 | { 8207, "rlm", "right-to-left mark, U+200F NEW RFC 2070" }, |
| 872 | { 8211, "ndash","en dash, U+2013 ISOpub" }, |
| 873 | { 8212, "mdash","em dash, U+2014 ISOpub" }, |
| 874 | { 8216, "lsquo","left single quotation mark, U+2018 ISOnum" }, |
| 875 | { 8217, "rsquo","right single quotation mark, U+2019 ISOnum" }, |
| 876 | { 8218, "sbquo","single low-9 quotation mark, U+201A NEW" }, |
| 877 | { 8220, "ldquo","left double quotation mark, U+201C ISOnum" }, |
| 878 | { 8221, "rdquo","right double quotation mark, U+201D ISOnum" }, |
| 879 | { 8222, "bdquo","double low-9 quotation mark, U+201E NEW" }, |
| 880 | { 8224, "dagger","dagger, U+2020 ISOpub" }, |
| 881 | { 8225, "Dagger","double dagger, U+2021 ISOpub" }, |
| 882 | { 8240, "permil","per mille sign, U+2030 ISOtech" }, |
| 883 | { 8249, "lsaquo","single left-pointing angle quotation mark, U+2039 ISO proposed" }, |
Daniel Veillard | b05deb7 | 1999-08-10 19:04:08 +0000 | [diff] [blame] | 884 | { 8250, "rsaquo","single right-pointing angle quotation mark, U+203A ISO proposed" }, |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 885 | { 8364, "euro", "euro sign, U+20AC NEW" } |
| 886 | }; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 887 | |
| 888 | /************************************************************************ |
| 889 | * * |
| 890 | * Commodity functions to handle entities * |
| 891 | * * |
| 892 | ************************************************************************/ |
| 893 | |
| 894 | /* |
| 895 | * Macro used to grow the current buffer. |
| 896 | */ |
| 897 | #define growBuffer(buffer) { \ |
| 898 | buffer##_size *= 2; \ |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 899 | buffer = (xmlChar *) xmlRealloc(buffer, buffer##_size * sizeof(xmlChar)); \ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 900 | if (buffer == NULL) { \ |
| 901 | perror("realloc failed"); \ |
Daniel Veillard | 0142b84 | 2000-01-14 14:45:24 +0000 | [diff] [blame] | 902 | return(NULL); \ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 903 | } \ |
| 904 | } |
| 905 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 906 | /** |
| 907 | * htmlEntityLookup: |
| 908 | * @name: the entity name |
| 909 | * |
| 910 | * Lookup the given entity in EntitiesTable |
| 911 | * |
| 912 | * TODO: the linear scan is really ugly, an hash table is really needed. |
| 913 | * |
| 914 | * Returns the associated htmlEntityDescPtr if found, NULL otherwise. |
| 915 | */ |
| 916 | htmlEntityDescPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 917 | htmlEntityLookup(const xmlChar *name) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 918 | int i; |
| 919 | |
| 920 | for (i = 0;i < (sizeof(html40EntitiesTable)/ |
| 921 | sizeof(html40EntitiesTable[0]));i++) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 922 | if (!xmlStrcmp(name, BAD_CAST html40EntitiesTable[i].name)) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 923 | #ifdef DEBUG |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 924 | fprintf(stderr,"Found entity %s\n", name); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 925 | #endif |
| 926 | return(&html40EntitiesTable[i]); |
| 927 | } |
| 928 | } |
| 929 | return(NULL); |
| 930 | } |
| 931 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 932 | |
| 933 | /** |
| 934 | * htmlDecodeEntities: |
| 935 | * @ctxt: the parser context |
| 936 | * @len: the len to decode (in bytes !), -1 for no size limit |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 937 | * @end: an end marker xmlChar, 0 if none |
| 938 | * @end2: an end marker xmlChar, 0 if none |
| 939 | * @end3: an end marker xmlChar, 0 if none |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 940 | * |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 941 | * Subtitute the HTML entities by their value |
| 942 | * |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 943 | * DEPRECATED !!!! |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 944 | * |
| 945 | * Returns A newly allocated string with the substitution done. The caller |
| 946 | * must deallocate it ! |
| 947 | */ |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 948 | xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 949 | htmlDecodeEntities(htmlParserCtxtPtr ctxt, int len, |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 950 | xmlChar end, xmlChar end2, xmlChar end3) { |
| 951 | xmlChar *buffer = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 952 | int buffer_size = 0; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 953 | xmlChar *out = NULL; |
| 954 | xmlChar *name = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 955 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 956 | xmlChar *cur = NULL; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 957 | htmlEntityDescPtr ent; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 958 | int nbchars = 0; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 959 | unsigned int max = (unsigned int) len; |
| 960 | |
| 961 | /* |
| 962 | * allocate a translation buffer. |
| 963 | */ |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 964 | buffer_size = HTML_PARSER_BIG_BUFFER_SIZE; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 965 | buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 966 | if (buffer == NULL) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 967 | perror("htmlDecodeEntities: malloc failed"); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 968 | return(NULL); |
| 969 | } |
| 970 | out = buffer; |
| 971 | |
| 972 | /* |
| 973 | * Ok loop until we reach one of the ending char or a size limit. |
| 974 | */ |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 975 | while ((nbchars < max) && (CUR != end) && |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 976 | (CUR != end2) && (CUR != end3)) { |
| 977 | |
| 978 | if (CUR == '&') { |
| 979 | if (NXT(1) == '#') { |
| 980 | int val = htmlParseCharRef(ctxt); |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 981 | /* invalid for UTF-8 variable encoding !!!!! */ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 982 | *out++ = val; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 983 | nbchars += 3; /* !!!! */ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 984 | } else { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 985 | ent = htmlParseEntityRef(ctxt, &name); |
| 986 | if (name != NULL) { |
| 987 | if ((ent == NULL) || (ent->value <= 0) || |
| 988 | (ent->value >= 255)) { |
| 989 | *out++ = '&'; |
| 990 | cur = name; |
| 991 | while (*cur != 0) { |
| 992 | if (out - buffer > buffer_size - 100) { |
| 993 | int index = out - buffer; |
| 994 | |
| 995 | growBuffer(buffer); |
| 996 | out = &buffer[index]; |
| 997 | } |
| 998 | *out++ = *cur++; |
| 999 | } |
| 1000 | *out++ = ';'; |
| 1001 | } else { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1002 | /* invalid for UTF-8 variable encoding !!!!! */ |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1003 | *out++ = (xmlChar)ent->value; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1004 | if (out - buffer > buffer_size - 100) { |
| 1005 | int index = out - buffer; |
| 1006 | |
| 1007 | growBuffer(buffer); |
| 1008 | out = &buffer[index]; |
| 1009 | } |
| 1010 | } |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1011 | nbchars += 2 + xmlStrlen(name); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1012 | xmlFree(name); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1013 | } |
| 1014 | } |
| 1015 | } else { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 1016 | /* invalid for UTF-8 , use COPY(out); !!!!! */ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1017 | *out++ = CUR; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1018 | nbchars++; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1019 | if (out - buffer > buffer_size - 100) { |
| 1020 | int index = out - buffer; |
| 1021 | |
| 1022 | growBuffer(buffer); |
| 1023 | out = &buffer[index]; |
| 1024 | } |
| 1025 | NEXT; |
| 1026 | } |
| 1027 | } |
| 1028 | *out++ = 0; |
| 1029 | return(buffer); |
| 1030 | } |
| 1031 | |
| 1032 | |
| 1033 | /************************************************************************ |
| 1034 | * * |
| 1035 | * Commodity functions to handle encodings * |
| 1036 | * * |
| 1037 | ************************************************************************/ |
| 1038 | |
| 1039 | /** |
| 1040 | * htmlSwitchEncoding: |
| 1041 | * @ctxt: the parser context |
| 1042 | * @len: the len of @cur |
| 1043 | * |
| 1044 | * change the input functions when discovering the character encoding |
| 1045 | * of a given entity. |
| 1046 | * |
| 1047 | */ |
| 1048 | void |
| 1049 | htmlSwitchEncoding(htmlParserCtxtPtr ctxt, xmlCharEncoding enc) |
| 1050 | { |
| 1051 | switch (enc) { |
| 1052 | case XML_CHAR_ENCODING_ERROR: |
| 1053 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1054 | ctxt->sax->error(ctxt->userData, "encoding unknown\n"); |
| 1055 | ctxt->wellFormed = 0; |
| 1056 | break; |
| 1057 | case XML_CHAR_ENCODING_NONE: |
| 1058 | /* let's assume it's UTF-8 without the XML decl */ |
| 1059 | return; |
| 1060 | case XML_CHAR_ENCODING_UTF8: |
| 1061 | /* default encoding, no conversion should be needed */ |
| 1062 | return; |
| 1063 | case XML_CHAR_ENCODING_UTF16LE: |
| 1064 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1065 | ctxt->sax->error(ctxt->userData, |
| 1066 | "char encoding UTF16 little endian not supported\n"); |
| 1067 | break; |
| 1068 | case XML_CHAR_ENCODING_UTF16BE: |
| 1069 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1070 | ctxt->sax->error(ctxt->userData, |
| 1071 | "char encoding UTF16 big endian not supported\n"); |
| 1072 | break; |
| 1073 | case XML_CHAR_ENCODING_UCS4LE: |
| 1074 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1075 | ctxt->sax->error(ctxt->userData, |
| 1076 | "char encoding USC4 little endian not supported\n"); |
| 1077 | break; |
| 1078 | case XML_CHAR_ENCODING_UCS4BE: |
| 1079 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1080 | ctxt->sax->error(ctxt->userData, |
| 1081 | "char encoding USC4 big endian not supported\n"); |
| 1082 | break; |
| 1083 | case XML_CHAR_ENCODING_EBCDIC: |
| 1084 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1085 | ctxt->sax->error(ctxt->userData, |
| 1086 | "char encoding EBCDIC not supported\n"); |
| 1087 | break; |
| 1088 | case XML_CHAR_ENCODING_UCS4_2143: |
| 1089 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1090 | ctxt->sax->error(ctxt->userData, |
| 1091 | "char encoding UCS4 2143 not supported\n"); |
| 1092 | break; |
| 1093 | case XML_CHAR_ENCODING_UCS4_3412: |
| 1094 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1095 | ctxt->sax->error(ctxt->userData, |
| 1096 | "char encoding UCS4 3412 not supported\n"); |
| 1097 | break; |
| 1098 | case XML_CHAR_ENCODING_UCS2: |
| 1099 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1100 | ctxt->sax->error(ctxt->userData, |
| 1101 | "char encoding UCS2 not supported\n"); |
| 1102 | break; |
| 1103 | case XML_CHAR_ENCODING_8859_1: |
| 1104 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1105 | ctxt->sax->error(ctxt->userData, |
| 1106 | "char encoding ISO_8859_1 ISO Latin 1 not supported\n"); |
| 1107 | break; |
| 1108 | case XML_CHAR_ENCODING_8859_2: |
| 1109 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1110 | ctxt->sax->error(ctxt->userData, |
| 1111 | "char encoding ISO_8859_2 ISO Latin 2 not supported\n"); |
| 1112 | break; |
| 1113 | case XML_CHAR_ENCODING_8859_3: |
| 1114 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1115 | ctxt->sax->error(ctxt->userData, |
| 1116 | "char encoding ISO_8859_3 not supported\n"); |
| 1117 | break; |
| 1118 | case XML_CHAR_ENCODING_8859_4: |
| 1119 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1120 | ctxt->sax->error(ctxt->userData, |
| 1121 | "char encoding ISO_8859_4 not supported\n"); |
| 1122 | break; |
| 1123 | case XML_CHAR_ENCODING_8859_5: |
| 1124 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1125 | ctxt->sax->error(ctxt->userData, |
| 1126 | "char encoding ISO_8859_5 not supported\n"); |
| 1127 | break; |
| 1128 | case XML_CHAR_ENCODING_8859_6: |
| 1129 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1130 | ctxt->sax->error(ctxt->userData, |
| 1131 | "char encoding ISO_8859_6 not supported\n"); |
| 1132 | break; |
| 1133 | case XML_CHAR_ENCODING_8859_7: |
| 1134 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1135 | ctxt->sax->error(ctxt->userData, |
| 1136 | "char encoding ISO_8859_7 not supported\n"); |
| 1137 | break; |
| 1138 | case XML_CHAR_ENCODING_8859_8: |
| 1139 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1140 | ctxt->sax->error(ctxt->userData, |
| 1141 | "char encoding ISO_8859_8 not supported\n"); |
| 1142 | break; |
| 1143 | case XML_CHAR_ENCODING_8859_9: |
| 1144 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1145 | ctxt->sax->error(ctxt->userData, |
| 1146 | "char encoding ISO_8859_9 not supported\n"); |
| 1147 | break; |
| 1148 | case XML_CHAR_ENCODING_2022_JP: |
| 1149 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1150 | ctxt->sax->error(ctxt->userData, |
| 1151 | "char encoding ISO-2022-JPnot supported\n"); |
| 1152 | break; |
| 1153 | case XML_CHAR_ENCODING_SHIFT_JIS: |
| 1154 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1155 | ctxt->sax->error(ctxt->userData, |
| 1156 | "char encoding Shift_JISnot supported\n"); |
| 1157 | break; |
| 1158 | case XML_CHAR_ENCODING_EUC_JP: |
| 1159 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1160 | ctxt->sax->error(ctxt->userData, |
| 1161 | "char encoding EUC-JPnot supported\n"); |
| 1162 | break; |
| 1163 | } |
| 1164 | } |
| 1165 | |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 1166 | /************************************************************************ |
| 1167 | * * |
| 1168 | * Commodity functions to handle streams * |
| 1169 | * * |
| 1170 | ************************************************************************/ |
| 1171 | |
| 1172 | /** |
| 1173 | * htmlFreeInputStream: |
| 1174 | * @input: an htmlParserInputPtr |
| 1175 | * |
| 1176 | * Free up an input stream. |
| 1177 | */ |
| 1178 | void |
| 1179 | htmlFreeInputStream(htmlParserInputPtr input) { |
| 1180 | if (input == NULL) return; |
| 1181 | |
| 1182 | if (input->filename != NULL) xmlFree((char *) input->filename); |
| 1183 | if (input->directory != NULL) xmlFree((char *) input->directory); |
| 1184 | if ((input->free != NULL) && (input->base != NULL)) |
| 1185 | input->free((xmlChar *) input->base); |
| 1186 | if (input->buf != NULL) |
| 1187 | xmlFreeParserInputBuffer(input->buf); |
| 1188 | memset(input, -1, sizeof(htmlParserInput)); |
| 1189 | xmlFree(input); |
| 1190 | } |
| 1191 | |
| 1192 | /** |
| 1193 | * htmlNewInputStream: |
| 1194 | * @ctxt: an HTML parser context |
| 1195 | * |
| 1196 | * Create a new input stream structure |
| 1197 | * Returns the new input stream or NULL |
| 1198 | */ |
| 1199 | htmlParserInputPtr |
| 1200 | htmlNewInputStream(htmlParserCtxtPtr ctxt) { |
| 1201 | htmlParserInputPtr input; |
| 1202 | |
| 1203 | input = (xmlParserInputPtr) xmlMalloc(sizeof(htmlParserInput)); |
| 1204 | if (input == NULL) { |
| 1205 | ctxt->errNo = XML_ERR_NO_MEMORY; |
| 1206 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1207 | ctxt->sax->error(ctxt->userData, |
| 1208 | "malloc: couldn't allocate a new input stream\n"); |
| 1209 | ctxt->errNo = XML_ERR_NO_MEMORY; |
| 1210 | return(NULL); |
| 1211 | } |
| 1212 | input->filename = NULL; |
| 1213 | input->directory = NULL; |
| 1214 | input->base = NULL; |
| 1215 | input->cur = NULL; |
| 1216 | input->buf = NULL; |
| 1217 | input->line = 1; |
| 1218 | input->col = 1; |
| 1219 | input->buf = NULL; |
| 1220 | input->free = NULL; |
| 1221 | input->consumed = 0; |
| 1222 | input->length = 0; |
| 1223 | return(input); |
| 1224 | } |
| 1225 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1226 | |
| 1227 | /************************************************************************ |
| 1228 | * * |
| 1229 | * Commodity functions, cleanup needed ? * |
| 1230 | * * |
| 1231 | ************************************************************************/ |
| 1232 | |
| 1233 | /** |
| 1234 | * areBlanks: |
| 1235 | * @ctxt: an HTML parser context |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1236 | * @str: a xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1237 | * @len: the size of @str |
| 1238 | * |
| 1239 | * Is this a sequence of blank chars that one can ignore ? |
| 1240 | * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1241 | * Returns 1 if ignorable 0 otherwise. |
| 1242 | */ |
| 1243 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1244 | static int areBlanks(htmlParserCtxtPtr ctxt, const xmlChar *str, int len) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1245 | int i; |
| 1246 | xmlNodePtr lastChild; |
| 1247 | |
| 1248 | for (i = 0;i < len;i++) |
| 1249 | if (!(IS_BLANK(str[i]))) return(0); |
| 1250 | |
| 1251 | if (CUR != '<') return(0); |
| 1252 | if (ctxt->node == NULL) return(0); |
| 1253 | lastChild = xmlGetLastChild(ctxt->node); |
| 1254 | if (lastChild == NULL) { |
| 1255 | if (ctxt->node->content != NULL) return(0); |
| 1256 | } else if (xmlNodeIsText(lastChild)) |
| 1257 | return(0); |
| 1258 | return(1); |
| 1259 | } |
| 1260 | |
| 1261 | /** |
| 1262 | * htmlHandleEntity: |
| 1263 | * @ctxt: an HTML parser context |
| 1264 | * @entity: an XML entity pointer. |
| 1265 | * |
| 1266 | * Default handling of an HTML entity, call the parser with the |
| 1267 | * substitution string |
| 1268 | */ |
| 1269 | |
| 1270 | void |
| 1271 | htmlHandleEntity(htmlParserCtxtPtr ctxt, xmlEntityPtr entity) { |
| 1272 | int len; |
| 1273 | |
| 1274 | if (entity->content == NULL) { |
| 1275 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1276 | ctxt->sax->error(ctxt->userData, "htmlHandleEntity %s: content == NULL\n", |
| 1277 | entity->name); |
| 1278 | ctxt->wellFormed = 0; |
| 1279 | return; |
| 1280 | } |
| 1281 | len = xmlStrlen(entity->content); |
| 1282 | |
| 1283 | /* |
| 1284 | * Just handle the content as a set of chars. |
| 1285 | */ |
| 1286 | if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL)) |
| 1287 | ctxt->sax->characters(ctxt->userData, entity->content, len); |
| 1288 | |
| 1289 | } |
| 1290 | |
| 1291 | /** |
| 1292 | * htmlNewDoc: |
| 1293 | * @URI: URI for the dtd, or NULL |
| 1294 | * @ExternalID: the external ID of the DTD, or NULL |
| 1295 | * |
| 1296 | * Returns a new document |
| 1297 | */ |
| 1298 | htmlDocPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1299 | htmlNewDoc(const xmlChar *URI, const xmlChar *ExternalID) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1300 | xmlDocPtr cur; |
| 1301 | |
| 1302 | /* |
| 1303 | * Allocate a new document and fill the fields. |
| 1304 | */ |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 1305 | cur = (xmlDocPtr) xmlMalloc(sizeof(xmlDoc)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1306 | if (cur == NULL) { |
| 1307 | fprintf(stderr, "xmlNewDoc : malloc failed\n"); |
| 1308 | return(NULL); |
| 1309 | } |
Daniel Veillard | e7a5a77 | 1999-08-30 13:05:42 +0000 | [diff] [blame] | 1310 | memset(cur, 0, sizeof(xmlDoc)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1311 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1312 | cur->type = XML_HTML_DOCUMENT_NODE; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1313 | cur->version = NULL; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1314 | cur->intSubset = NULL; |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 1315 | if ((ExternalID == NULL) && |
| 1316 | (URI == NULL)) |
| 1317 | xmlCreateIntSubset(cur, BAD_CAST "HTML", |
| 1318 | BAD_CAST "-//W3C//DTD HTML 4.0 Transitional//EN", |
| 1319 | BAD_CAST "http://www.w3.org/TR/REC-html40/loose.dtd"); |
| 1320 | else |
| 1321 | xmlCreateIntSubset(cur, BAD_CAST "HTML", ExternalID, URI); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1322 | cur->name = NULL; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1323 | cur->children = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1324 | cur->extSubset = NULL; |
| 1325 | cur->oldNs = NULL; |
| 1326 | cur->encoding = NULL; |
| 1327 | cur->standalone = 1; |
| 1328 | cur->compression = 0; |
Daniel Veillard | c08a2c6 | 1999-09-08 21:35:25 +0000 | [diff] [blame] | 1329 | cur->ids = NULL; |
| 1330 | cur->refs = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1331 | #ifndef XML_WITHOUT_CORBA |
| 1332 | cur->_private = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1333 | #endif |
| 1334 | return(cur); |
| 1335 | } |
| 1336 | |
| 1337 | |
| 1338 | /************************************************************************ |
| 1339 | * * |
| 1340 | * The parser itself * |
| 1341 | * Relates to http://www.w3.org/TR/html40 * |
| 1342 | * * |
| 1343 | ************************************************************************/ |
| 1344 | |
| 1345 | /************************************************************************ |
| 1346 | * * |
| 1347 | * The parser itself * |
| 1348 | * * |
| 1349 | ************************************************************************/ |
| 1350 | |
| 1351 | /** |
| 1352 | * htmlParseHTMLName: |
| 1353 | * @ctxt: an HTML parser context |
| 1354 | * |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1355 | * parse an HTML tag or attribute name, note that we convert it to lowercase |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1356 | * since HTML names are not case-sensitive. |
| 1357 | * |
| 1358 | * Returns the Tag Name parsed or NULL |
| 1359 | */ |
| 1360 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1361 | xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1362 | htmlParseHTMLName(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1363 | xmlChar *ret = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1364 | int i = 0; |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 1365 | xmlChar loc[HTML_PARSER_BUFFER_SIZE]; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1366 | |
| 1367 | if (!IS_LETTER(CUR) && (CUR != '_') && |
| 1368 | (CUR != ':')) return(NULL); |
| 1369 | |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 1370 | while ((i < HTML_PARSER_BUFFER_SIZE) && |
| 1371 | ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)))) { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1372 | if ((CUR >= 'A') && (CUR <= 'Z')) loc[i] = CUR + 0x20; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1373 | else loc[i] = CUR; |
| 1374 | i++; |
| 1375 | |
| 1376 | NEXT; |
| 1377 | } |
| 1378 | |
| 1379 | ret = xmlStrndup(loc, i); |
| 1380 | |
| 1381 | return(ret); |
| 1382 | } |
| 1383 | |
| 1384 | /** |
| 1385 | * htmlParseName: |
| 1386 | * @ctxt: an HTML parser context |
| 1387 | * |
| 1388 | * parse an HTML name, this routine is case sensistive. |
| 1389 | * |
| 1390 | * Returns the Name parsed or NULL |
| 1391 | */ |
| 1392 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1393 | xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1394 | htmlParseName(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1395 | xmlChar buf[HTML_MAX_NAMELEN]; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1396 | int len = 0; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1397 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1398 | GROW; |
| 1399 | if (!IS_LETTER(CUR) && (CUR != '_')) { |
| 1400 | return(NULL); |
| 1401 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1402 | |
| 1403 | while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) || |
| 1404 | (CUR == '.') || (CUR == '-') || |
| 1405 | (CUR == '_') || (CUR == ':') || |
| 1406 | (IS_COMBINING(CUR)) || |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1407 | (IS_EXTENDER(CUR))) { |
| 1408 | buf[len++] = CUR; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1409 | NEXT; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1410 | if (len >= HTML_MAX_NAMELEN) { |
| 1411 | fprintf(stderr, |
| 1412 | "htmlParseName: reached HTML_MAX_NAMELEN limit\n"); |
| 1413 | while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) || |
| 1414 | (CUR == '.') || (CUR == '-') || |
| 1415 | (CUR == '_') || (CUR == ':') || |
| 1416 | (IS_COMBINING(CUR)) || |
| 1417 | (IS_EXTENDER(CUR))) |
| 1418 | NEXT; |
| 1419 | break; |
| 1420 | } |
| 1421 | } |
| 1422 | return(xmlStrndup(buf, len)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1423 | } |
| 1424 | |
| 1425 | /** |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1426 | * htmlParseHTMLAttribute: |
| 1427 | * @ctxt: an HTML parser context |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1428 | * @stop: a char stop value |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1429 | * |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1430 | * parse an HTML attribute value till the stop (quote), if |
| 1431 | * stop is 0 then it stops at the first space |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1432 | * |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1433 | * Returns the attribute parsed or NULL |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1434 | */ |
| 1435 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1436 | xmlChar * |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1437 | htmlParseHTMLAttribute(htmlParserCtxtPtr ctxt, const xmlChar stop) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1438 | #if 0 |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1439 | xmlChar buf[HTML_MAX_NAMELEN]; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1440 | int len = 0; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1441 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1442 | GROW; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1443 | while ((CUR != 0) && (CUR != stop) && (CUR != '>')) { |
| 1444 | if ((stop == 0) && (IS_BLANK(CUR))) break; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1445 | buf[len++] = CUR; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1446 | NEXT; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1447 | if (len >= HTML_MAX_NAMELEN) { |
| 1448 | fprintf(stderr, |
| 1449 | "htmlParseHTMLAttribute: reached HTML_MAX_NAMELEN limit\n"); |
| 1450 | while ((!IS_BLANK(CUR)) && (CUR != '<') && |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1451 | (CUR != '>') && |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1452 | (CUR != '\'') && (CUR != '"')) |
| 1453 | NEXT; |
| 1454 | break; |
| 1455 | } |
| 1456 | } |
| 1457 | return(xmlStrndup(buf, len)); |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1458 | #else |
| 1459 | xmlChar *buffer = NULL; |
| 1460 | int buffer_size = 0; |
| 1461 | xmlChar *out = NULL; |
| 1462 | xmlChar *name = NULL; |
| 1463 | |
| 1464 | xmlChar *cur = NULL; |
| 1465 | htmlEntityDescPtr ent; |
| 1466 | |
| 1467 | /* |
| 1468 | * allocate a translation buffer. |
| 1469 | */ |
| 1470 | buffer_size = HTML_PARSER_BIG_BUFFER_SIZE; |
| 1471 | buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar)); |
| 1472 | if (buffer == NULL) { |
| 1473 | perror("htmlParseHTMLAttribute: malloc failed"); |
| 1474 | return(NULL); |
| 1475 | } |
| 1476 | out = buffer; |
| 1477 | |
| 1478 | /* |
| 1479 | * Ok loop until we reach one of the ending chars |
| 1480 | */ |
| 1481 | while ((CUR != 0) && (CUR != stop) && (CUR != '>')) { |
| 1482 | if ((stop == 0) && (IS_BLANK(CUR))) break; |
| 1483 | if (CUR == '&') { |
| 1484 | if (NXT(1) == '#') { |
| 1485 | int val = htmlParseCharRef(ctxt); |
| 1486 | *out++ = val; |
| 1487 | } else { |
| 1488 | ent = htmlParseEntityRef(ctxt, &name); |
| 1489 | if (name == NULL) { |
| 1490 | *out++ = '&'; |
| 1491 | if (out - buffer > buffer_size - 100) { |
| 1492 | int index = out - buffer; |
| 1493 | |
| 1494 | growBuffer(buffer); |
| 1495 | out = &buffer[index]; |
| 1496 | } |
| 1497 | } else if ((ent == NULL) || (ent->value <= 0) || |
| 1498 | (ent->value >= 255)) { |
| 1499 | *out++ = '&'; |
| 1500 | cur = name; |
| 1501 | while (*cur != 0) { |
| 1502 | if (out - buffer > buffer_size - 100) { |
| 1503 | int index = out - buffer; |
| 1504 | |
| 1505 | growBuffer(buffer); |
| 1506 | out = &buffer[index]; |
| 1507 | } |
| 1508 | *out++ = *cur++; |
| 1509 | } |
| 1510 | xmlFree(name); |
| 1511 | } else { |
| 1512 | *out++ = ent->value; |
| 1513 | if (out - buffer > buffer_size - 100) { |
| 1514 | int index = out - buffer; |
| 1515 | |
| 1516 | growBuffer(buffer); |
| 1517 | out = &buffer[index]; |
| 1518 | } |
| 1519 | xmlFree(name); |
| 1520 | } |
| 1521 | } |
| 1522 | } else { |
| 1523 | *out++ = CUR; |
| 1524 | if (out - buffer > buffer_size - 100) { |
| 1525 | int index = out - buffer; |
| 1526 | |
| 1527 | growBuffer(buffer); |
| 1528 | out = &buffer[index]; |
| 1529 | } |
| 1530 | NEXT; |
| 1531 | } |
| 1532 | } |
| 1533 | *out++ = 0; |
| 1534 | return(buffer); |
| 1535 | #endif |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1536 | } |
| 1537 | |
| 1538 | /** |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1539 | * htmlParseNmtoken: |
| 1540 | * @ctxt: an HTML parser context |
| 1541 | * |
| 1542 | * parse an HTML Nmtoken. |
| 1543 | * |
| 1544 | * Returns the Nmtoken parsed or NULL |
| 1545 | */ |
| 1546 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1547 | xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1548 | htmlParseNmtoken(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1549 | xmlChar buf[HTML_MAX_NAMELEN]; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1550 | int len = 0; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1551 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1552 | GROW; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1553 | while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) || |
| 1554 | (CUR == '.') || (CUR == '-') || |
| 1555 | (CUR == '_') || (CUR == ':') || |
| 1556 | (IS_COMBINING(CUR)) || |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1557 | (IS_EXTENDER(CUR))) { |
| 1558 | buf[len++] = CUR; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1559 | NEXT; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1560 | if (len >= HTML_MAX_NAMELEN) { |
| 1561 | fprintf(stderr, |
| 1562 | "htmlParseNmtoken: reached HTML_MAX_NAMELEN limit\n"); |
| 1563 | while ((IS_LETTER(CUR)) || (IS_DIGIT(CUR)) || |
| 1564 | (CUR == '.') || (CUR == '-') || |
| 1565 | (CUR == '_') || (CUR == ':') || |
| 1566 | (IS_COMBINING(CUR)) || |
| 1567 | (IS_EXTENDER(CUR))) |
| 1568 | NEXT; |
| 1569 | break; |
| 1570 | } |
| 1571 | } |
| 1572 | return(xmlStrndup(buf, len)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1573 | } |
| 1574 | |
| 1575 | /** |
| 1576 | * htmlParseEntityRef: |
| 1577 | * @ctxt: an HTML parser context |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1578 | * @str: location to store the entity name |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1579 | * |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1580 | * parse an HTML ENTITY references |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1581 | * |
| 1582 | * [68] EntityRef ::= '&' Name ';' |
| 1583 | * |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1584 | * Returns the associated htmlEntityDescPtr if found, or NULL otherwise, |
| 1585 | * if non-NULL *str will have to be freed by the caller. |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1586 | */ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1587 | htmlEntityDescPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1588 | htmlParseEntityRef(htmlParserCtxtPtr ctxt, xmlChar **str) { |
| 1589 | xmlChar *name; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1590 | htmlEntityDescPtr ent = NULL; |
| 1591 | *str = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1592 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1593 | if (CUR == '&') { |
| 1594 | NEXT; |
| 1595 | name = htmlParseName(ctxt); |
| 1596 | if (name == NULL) { |
| 1597 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1598 | ctxt->sax->error(ctxt->userData, "htmlParseEntityRef: no name\n"); |
| 1599 | ctxt->wellFormed = 0; |
| 1600 | } else { |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1601 | GROW; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1602 | if (CUR == ';') { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1603 | *str = name; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1604 | |
| 1605 | /* |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1606 | * Lookup the entity in the table. |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1607 | */ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1608 | ent = htmlEntityLookup(name); |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1609 | if (ent != NULL) /* OK that's ugly !!! */ |
| 1610 | NEXT; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1611 | } else { |
| 1612 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1613 | ctxt->sax->error(ctxt->userData, |
| 1614 | "htmlParseEntityRef: expecting ';'\n"); |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 1615 | *str = name; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1616 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1617 | } |
| 1618 | } |
| 1619 | return(ent); |
| 1620 | } |
| 1621 | |
| 1622 | /** |
| 1623 | * htmlParseAttValue: |
| 1624 | * @ctxt: an HTML parser context |
| 1625 | * |
| 1626 | * parse a value for an attribute |
| 1627 | * Note: the parser won't do substitution of entities here, this |
| 1628 | * will be handled later in xmlStringGetNodeList, unless it was |
| 1629 | * asked for ctxt->replaceEntities != 0 |
| 1630 | * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1631 | * Returns the AttValue parsed or NULL. |
| 1632 | */ |
| 1633 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1634 | xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1635 | htmlParseAttValue(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1636 | xmlChar *ret = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1637 | |
| 1638 | if (CUR == '"') { |
| 1639 | NEXT; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1640 | ret = htmlParseHTMLAttribute(ctxt, '"'); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1641 | if (CUR != '"') { |
| 1642 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1643 | ctxt->sax->error(ctxt->userData, "AttValue: ' expected\n"); |
| 1644 | ctxt->wellFormed = 0; |
| 1645 | } else |
| 1646 | NEXT; |
| 1647 | } else if (CUR == '\'') { |
| 1648 | NEXT; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1649 | ret = htmlParseHTMLAttribute(ctxt, '\''); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1650 | if (CUR != '\'') { |
| 1651 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1652 | ctxt->sax->error(ctxt->userData, "AttValue: ' expected\n"); |
| 1653 | ctxt->wellFormed = 0; |
| 1654 | } else |
| 1655 | NEXT; |
| 1656 | } else { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1657 | /* |
| 1658 | * That's an HTMLism, the attribute value may not be quoted |
| 1659 | */ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 1660 | ret = htmlParseHTMLAttribute(ctxt, 0); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1661 | if (ret == NULL) { |
| 1662 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1663 | ctxt->sax->error(ctxt->userData, "AttValue: no value found\n"); |
| 1664 | ctxt->wellFormed = 0; |
| 1665 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1666 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1667 | return(ret); |
| 1668 | } |
| 1669 | |
| 1670 | /** |
| 1671 | * htmlParseSystemLiteral: |
| 1672 | * @ctxt: an HTML parser context |
| 1673 | * |
| 1674 | * parse an HTML Literal |
| 1675 | * |
| 1676 | * [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'") |
| 1677 | * |
| 1678 | * Returns the SystemLiteral parsed or NULL |
| 1679 | */ |
| 1680 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1681 | xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1682 | htmlParseSystemLiteral(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1683 | const xmlChar *q; |
| 1684 | xmlChar *ret = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1685 | |
| 1686 | if (CUR == '"') { |
| 1687 | NEXT; |
| 1688 | q = CUR_PTR; |
| 1689 | while ((IS_CHAR(CUR)) && (CUR != '"')) |
| 1690 | NEXT; |
| 1691 | if (!IS_CHAR(CUR)) { |
| 1692 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1693 | ctxt->sax->error(ctxt->userData, "Unfinished SystemLiteral\n"); |
| 1694 | ctxt->wellFormed = 0; |
| 1695 | } else { |
| 1696 | ret = xmlStrndup(q, CUR_PTR - q); |
| 1697 | NEXT; |
| 1698 | } |
| 1699 | } else if (CUR == '\'') { |
| 1700 | NEXT; |
| 1701 | q = CUR_PTR; |
| 1702 | while ((IS_CHAR(CUR)) && (CUR != '\'')) |
| 1703 | NEXT; |
| 1704 | if (!IS_CHAR(CUR)) { |
| 1705 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1706 | ctxt->sax->error(ctxt->userData, "Unfinished SystemLiteral\n"); |
| 1707 | ctxt->wellFormed = 0; |
| 1708 | } else { |
| 1709 | ret = xmlStrndup(q, CUR_PTR - q); |
| 1710 | NEXT; |
| 1711 | } |
| 1712 | } else { |
| 1713 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1714 | ctxt->sax->error(ctxt->userData, |
| 1715 | "SystemLiteral \" or ' expected\n"); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1716 | ctxt->wellFormed = 0; |
| 1717 | } |
| 1718 | |
| 1719 | return(ret); |
| 1720 | } |
| 1721 | |
| 1722 | /** |
| 1723 | * htmlParsePubidLiteral: |
| 1724 | * @ctxt: an HTML parser context |
| 1725 | * |
| 1726 | * parse an HTML public literal |
| 1727 | * |
| 1728 | * [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'" |
| 1729 | * |
| 1730 | * Returns the PubidLiteral parsed or NULL. |
| 1731 | */ |
| 1732 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1733 | xmlChar * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1734 | htmlParsePubidLiteral(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1735 | const xmlChar *q; |
| 1736 | xmlChar *ret = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1737 | /* |
| 1738 | * Name ::= (Letter | '_') (NameChar)* |
| 1739 | */ |
| 1740 | if (CUR == '"') { |
| 1741 | NEXT; |
| 1742 | q = CUR_PTR; |
| 1743 | while (IS_PUBIDCHAR(CUR)) NEXT; |
| 1744 | if (CUR != '"') { |
| 1745 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1746 | ctxt->sax->error(ctxt->userData, "Unfinished PubidLiteral\n"); |
| 1747 | ctxt->wellFormed = 0; |
| 1748 | } else { |
| 1749 | ret = xmlStrndup(q, CUR_PTR - q); |
| 1750 | NEXT; |
| 1751 | } |
| 1752 | } else if (CUR == '\'') { |
| 1753 | NEXT; |
| 1754 | q = CUR_PTR; |
| 1755 | while ((IS_LETTER(CUR)) && (CUR != '\'')) |
| 1756 | NEXT; |
| 1757 | if (!IS_LETTER(CUR)) { |
| 1758 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1759 | ctxt->sax->error(ctxt->userData, "Unfinished PubidLiteral\n"); |
| 1760 | ctxt->wellFormed = 0; |
| 1761 | } else { |
| 1762 | ret = xmlStrndup(q, CUR_PTR - q); |
| 1763 | NEXT; |
| 1764 | } |
| 1765 | } else { |
| 1766 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1767 | ctxt->sax->error(ctxt->userData, "SystemLiteral \" or ' expected\n"); |
| 1768 | ctxt->wellFormed = 0; |
| 1769 | } |
| 1770 | |
| 1771 | return(ret); |
| 1772 | } |
| 1773 | |
| 1774 | /** |
| 1775 | * htmlParseCharData: |
| 1776 | * @ctxt: an HTML parser context |
| 1777 | * @cdata: int indicating whether we are within a CDATA section |
| 1778 | * |
| 1779 | * parse a CharData section. |
| 1780 | * if we are within a CDATA section ']]>' marks an end of section. |
| 1781 | * |
| 1782 | * [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*) |
| 1783 | */ |
| 1784 | |
| 1785 | void |
| 1786 | htmlParseCharData(htmlParserCtxtPtr ctxt, int cdata) { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1787 | xmlChar *buf = NULL; |
| 1788 | int len = 0; |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 1789 | int size = HTML_PARSER_BUFFER_SIZE; |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1790 | xmlChar q; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1791 | |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1792 | buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar)); |
| 1793 | if (buf == NULL) { |
| 1794 | fprintf(stderr, "malloc of %d byte failed\n", size); |
| 1795 | return; |
| 1796 | } |
| 1797 | |
| 1798 | q = CUR; |
| 1799 | while ((IS_CHAR(q)) && (q != '<') && |
| 1800 | (q != '&')) { |
| 1801 | if ((q == ']') && (NXT(1) == ']') && |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1802 | (NXT(2) == '>')) { |
| 1803 | if (cdata) break; |
| 1804 | else { |
| 1805 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1806 | ctxt->sax->error(ctxt->userData, |
| 1807 | "Sequence ']]>' not allowed in content\n"); |
| 1808 | ctxt->wellFormed = 0; |
| 1809 | } |
| 1810 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1811 | if (len + 1 >= size) { |
| 1812 | size *= 2; |
| 1813 | buf = xmlRealloc(buf, size * sizeof(xmlChar)); |
| 1814 | if (buf == NULL) { |
| 1815 | fprintf(stderr, "realloc of %d byte failed\n", size); |
| 1816 | return; |
| 1817 | } |
| 1818 | } |
| 1819 | buf[len++] = q; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1820 | NEXT; |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1821 | q = CUR; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1822 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1823 | if (len == 0) { |
| 1824 | xmlFree(buf); |
| 1825 | return; |
| 1826 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1827 | |
| 1828 | /* |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1829 | * Ok the buffer is to be consumed as chars. |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1830 | */ |
| 1831 | if (ctxt->sax != NULL) { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1832 | if (areBlanks(ctxt, buf, len)) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1833 | if (ctxt->sax->ignorableWhitespace != NULL) |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1834 | ctxt->sax->ignorableWhitespace(ctxt->userData, buf, len); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1835 | } else { |
| 1836 | if (ctxt->sax->characters != NULL) |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1837 | ctxt->sax->characters(ctxt->userData, buf, len); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1838 | } |
| 1839 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1840 | xmlFree(buf); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1841 | } |
| 1842 | |
| 1843 | /** |
| 1844 | * htmlParseExternalID: |
| 1845 | * @ctxt: an HTML parser context |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1846 | * @publicID: a xmlChar** receiving PubidLiteral |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1847 | * @strict: indicate whether we should restrict parsing to only |
| 1848 | * production [75], see NOTE below |
| 1849 | * |
| 1850 | * Parse an External ID or a Public ID |
| 1851 | * |
| 1852 | * NOTE: Productions [75] and [83] interract badly since [75] can generate |
| 1853 | * 'PUBLIC' S PubidLiteral S SystemLiteral |
| 1854 | * |
| 1855 | * [75] ExternalID ::= 'SYSTEM' S SystemLiteral |
| 1856 | * | 'PUBLIC' S PubidLiteral S SystemLiteral |
| 1857 | * |
| 1858 | * [83] PublicID ::= 'PUBLIC' S PubidLiteral |
| 1859 | * |
| 1860 | * Returns the function returns SystemLiteral and in the second |
| 1861 | * case publicID receives PubidLiteral, is strict is off |
| 1862 | * it is possible to return NULL and have publicID set. |
| 1863 | */ |
| 1864 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 1865 | xmlChar * |
| 1866 | htmlParseExternalID(htmlParserCtxtPtr ctxt, xmlChar **publicID, int strict) { |
| 1867 | xmlChar *URI = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1868 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1869 | if ((UPPER == 'S') && (UPP(1) == 'Y') && |
| 1870 | (UPP(2) == 'S') && (UPP(3) == 'T') && |
| 1871 | (UPP(4) == 'E') && (UPP(5) == 'M')) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1872 | SKIP(6); |
| 1873 | if (!IS_BLANK(CUR)) { |
| 1874 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1875 | ctxt->sax->error(ctxt->userData, |
| 1876 | "Space required after 'SYSTEM'\n"); |
| 1877 | ctxt->wellFormed = 0; |
| 1878 | } |
| 1879 | SKIP_BLANKS; |
| 1880 | URI = htmlParseSystemLiteral(ctxt); |
| 1881 | if (URI == NULL) { |
| 1882 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1883 | ctxt->sax->error(ctxt->userData, |
| 1884 | "htmlParseExternalID: SYSTEM, no URI\n"); |
| 1885 | ctxt->wellFormed = 0; |
| 1886 | } |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 1887 | } else if ((UPPER == 'P') && (UPP(1) == 'U') && |
| 1888 | (UPP(2) == 'B') && (UPP(3) == 'L') && |
| 1889 | (UPP(4) == 'I') && (UPP(5) == 'C')) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1890 | SKIP(6); |
| 1891 | if (!IS_BLANK(CUR)) { |
| 1892 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1893 | ctxt->sax->error(ctxt->userData, |
| 1894 | "Space required after 'PUBLIC'\n"); |
| 1895 | ctxt->wellFormed = 0; |
| 1896 | } |
| 1897 | SKIP_BLANKS; |
| 1898 | *publicID = htmlParsePubidLiteral(ctxt); |
| 1899 | if (*publicID == NULL) { |
| 1900 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 1901 | ctxt->sax->error(ctxt->userData, |
| 1902 | "htmlParseExternalID: PUBLIC, no Public Identifier\n"); |
| 1903 | ctxt->wellFormed = 0; |
| 1904 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1905 | SKIP_BLANKS; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 1906 | if ((CUR == '"') || (CUR == '\'')) { |
| 1907 | URI = htmlParseSystemLiteral(ctxt); |
| 1908 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1909 | } |
| 1910 | return(URI); |
| 1911 | } |
| 1912 | |
| 1913 | /** |
| 1914 | * htmlParseComment: |
| 1915 | * @ctxt: an HTML parser context |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1916 | * |
| 1917 | * Parse an XML (SGML) comment <!-- .... --> |
| 1918 | * |
| 1919 | * [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->' |
| 1920 | */ |
| 1921 | void |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 1922 | htmlParseComment(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1923 | xmlChar *buf = NULL; |
| 1924 | int len = 0; |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 1925 | int size = HTML_PARSER_BUFFER_SIZE; |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1926 | register xmlChar s, r, q; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1927 | |
| 1928 | /* |
| 1929 | * Check that there is a comment right here. |
| 1930 | */ |
| 1931 | if ((CUR != '<') || (NXT(1) != '!') || |
| 1932 | (NXT(2) != '-') || (NXT(3) != '-')) return; |
| 1933 | |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1934 | buf = (xmlChar *) xmlMalloc(size * sizeof(xmlChar)); |
| 1935 | if (buf == NULL) { |
| 1936 | fprintf(stderr, "malloc of %d byte failed\n", size); |
| 1937 | return; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1938 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1939 | q = r = '-'; /* 0 or '-' to cover our ass against <!--> and <!---> ? !!! */ |
| 1940 | SKIP(4); |
| 1941 | s = CUR; |
| 1942 | |
| 1943 | while (IS_CHAR(s) && |
| 1944 | ((s != '>') || (r != '-') || (q != '-'))) { |
| 1945 | if (len + 1 >= size) { |
| 1946 | size *= 2; |
| 1947 | buf = xmlRealloc(buf, size * sizeof(xmlChar)); |
| 1948 | if (buf == NULL) { |
| 1949 | fprintf(stderr, "realloc of %d byte failed\n", size); |
| 1950 | return; |
| 1951 | } |
| 1952 | } |
| 1953 | buf[len++] = s; |
| 1954 | NEXT; |
| 1955 | q = r; |
| 1956 | r = s; |
| 1957 | s = CUR; |
| 1958 | } |
| 1959 | buf[len - 2] = 0; |
| 1960 | if (!IS_CHAR(s)) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1961 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1962 | ctxt->sax->error(ctxt->userData, "Comment not terminated \n<!--%.50s\n", buf); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1963 | ctxt->wellFormed = 0; |
| 1964 | } else { |
| 1965 | NEXT; |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 1966 | if ((ctxt->sax != NULL) && (ctxt->sax->comment != NULL)) { |
| 1967 | ctxt->sax->comment(ctxt->userData, buf); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1968 | } |
| 1969 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 1970 | xmlFree(buf); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 1971 | } |
| 1972 | |
| 1973 | /** |
| 1974 | * htmlParseCharRef: |
| 1975 | * @ctxt: an HTML parser context |
| 1976 | * |
| 1977 | * parse Reference declarations |
| 1978 | * |
| 1979 | * [66] CharRef ::= '&#' [0-9]+ ';' | |
| 1980 | * '&#x' [0-9a-fA-F]+ ';' |
| 1981 | * |
| 1982 | * Returns the value parsed (as an int) |
| 1983 | */ |
| 1984 | int |
| 1985 | htmlParseCharRef(htmlParserCtxtPtr ctxt) { |
| 1986 | int val = 0; |
| 1987 | |
| 1988 | if ((CUR == '&') && (NXT(1) == '#') && |
| 1989 | (NXT(2) == 'x')) { |
| 1990 | SKIP(3); |
| 1991 | while (CUR != ';') { |
| 1992 | if ((CUR >= '0') && (CUR <= '9')) |
| 1993 | val = val * 16 + (CUR - '0'); |
| 1994 | else if ((CUR >= 'a') && (CUR <= 'f')) |
| 1995 | val = val * 16 + (CUR - 'a') + 10; |
| 1996 | else if ((CUR >= 'A') && (CUR <= 'F')) |
| 1997 | val = val * 16 + (CUR - 'A') + 10; |
| 1998 | else { |
| 1999 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2000 | ctxt->sax->error(ctxt->userData, |
| 2001 | "htmlParseCharRef: invalid hexadecimal value\n"); |
| 2002 | ctxt->wellFormed = 0; |
| 2003 | val = 0; |
| 2004 | break; |
| 2005 | } |
| 2006 | NEXT; |
| 2007 | } |
| 2008 | if (CUR == ';') |
| 2009 | NEXT; |
| 2010 | } else if ((CUR == '&') && (NXT(1) == '#')) { |
| 2011 | SKIP(2); |
| 2012 | while (CUR != ';') { |
| 2013 | if ((CUR >= '0') && (CUR <= '9')) |
| 2014 | val = val * 10 + (CUR - '0'); |
| 2015 | else { |
| 2016 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2017 | ctxt->sax->error(ctxt->userData, |
| 2018 | "htmlParseCharRef: invalid decimal value\n"); |
| 2019 | ctxt->wellFormed = 0; |
| 2020 | val = 0; |
| 2021 | break; |
| 2022 | } |
| 2023 | NEXT; |
| 2024 | } |
| 2025 | if (CUR == ';') |
| 2026 | NEXT; |
| 2027 | } else { |
| 2028 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2029 | ctxt->sax->error(ctxt->userData, "htmlParseCharRef: invalid value\n"); |
| 2030 | ctxt->wellFormed = 0; |
| 2031 | } |
| 2032 | /* |
| 2033 | * Check the value IS_CHAR ... |
| 2034 | */ |
| 2035 | if (IS_CHAR(val)) { |
| 2036 | return(val); |
| 2037 | } else { |
| 2038 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2039 | ctxt->sax->error(ctxt->userData, "htmlParseCharRef: invalid xmlChar value %d\n", |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2040 | val); |
| 2041 | ctxt->wellFormed = 0; |
| 2042 | } |
| 2043 | return(0); |
| 2044 | } |
| 2045 | |
| 2046 | |
| 2047 | /** |
| 2048 | * htmlParseDocTypeDecl : |
| 2049 | * @ctxt: an HTML parser context |
| 2050 | * |
| 2051 | * parse a DOCTYPE declaration |
| 2052 | * |
| 2053 | * [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S? |
| 2054 | * ('[' (markupdecl | PEReference | S)* ']' S?)? '>' |
| 2055 | */ |
| 2056 | |
| 2057 | void |
| 2058 | htmlParseDocTypeDecl(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2059 | xmlChar *name; |
| 2060 | xmlChar *ExternalID = NULL; |
| 2061 | xmlChar *URI = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2062 | |
| 2063 | /* |
| 2064 | * We know that '<!DOCTYPE' has been detected. |
| 2065 | */ |
| 2066 | SKIP(9); |
| 2067 | |
| 2068 | SKIP_BLANKS; |
| 2069 | |
| 2070 | /* |
| 2071 | * Parse the DOCTYPE name. |
| 2072 | */ |
| 2073 | name = htmlParseName(ctxt); |
| 2074 | if (name == NULL) { |
| 2075 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2076 | ctxt->sax->error(ctxt->userData, "htmlParseDocTypeDecl : no DOCTYPE name !\n"); |
| 2077 | ctxt->wellFormed = 0; |
| 2078 | } |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2079 | /* |
| 2080 | * Check that upper(name) == "HTML" !!!!!!!!!!!!! |
| 2081 | */ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2082 | |
| 2083 | SKIP_BLANKS; |
| 2084 | |
| 2085 | /* |
| 2086 | * Check for SystemID and ExternalID |
| 2087 | */ |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 2088 | URI = htmlParseExternalID(ctxt, &ExternalID, 0); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2089 | SKIP_BLANKS; |
| 2090 | |
| 2091 | /* |
| 2092 | * We should be at the end of the DOCTYPE declaration. |
| 2093 | */ |
| 2094 | if (CUR != '>') { |
| 2095 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2096 | ctxt->sax->error(ctxt->userData, "DOCTYPE unproperly terminated\n"); |
| 2097 | ctxt->wellFormed = 0; |
| 2098 | /* We shouldn't try to resynchronize ... */ |
| 2099 | } else { |
| 2100 | } |
| 2101 | NEXT; |
| 2102 | |
| 2103 | /* |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2104 | * Create the document accordingly to the DOCTYPE |
| 2105 | */ |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2106 | if (ctxt->myDoc != NULL) |
| 2107 | xmlFreeDoc(ctxt->myDoc); |
| 2108 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2109 | ctxt->myDoc = htmlNewDoc(URI, ExternalID); |
| 2110 | |
| 2111 | /* |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2112 | * Cleanup, since we don't use all those identifiers |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2113 | */ |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2114 | if (URI != NULL) xmlFree(URI); |
| 2115 | if (ExternalID != NULL) xmlFree(ExternalID); |
| 2116 | if (name != NULL) xmlFree(name); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2117 | } |
| 2118 | |
| 2119 | /** |
| 2120 | * htmlParseAttribute: |
| 2121 | * @ctxt: an HTML parser context |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2122 | * @value: a xmlChar ** used to store the value of the attribute |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2123 | * |
| 2124 | * parse an attribute |
| 2125 | * |
| 2126 | * [41] Attribute ::= Name Eq AttValue |
| 2127 | * |
| 2128 | * [25] Eq ::= S? '=' S? |
| 2129 | * |
| 2130 | * With namespace: |
| 2131 | * |
| 2132 | * [NS 11] Attribute ::= QName Eq AttValue |
| 2133 | * |
| 2134 | * Also the case QName == xmlns:??? is handled independently as a namespace |
| 2135 | * definition. |
| 2136 | * |
| 2137 | * Returns the attribute name, and the value in *value. |
| 2138 | */ |
| 2139 | |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2140 | xmlChar * |
| 2141 | htmlParseAttribute(htmlParserCtxtPtr ctxt, xmlChar **value) { |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2142 | xmlChar *name, *val = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2143 | |
| 2144 | *value = NULL; |
| 2145 | name = htmlParseName(ctxt); |
| 2146 | if (name == NULL) { |
| 2147 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2148 | ctxt->sax->error(ctxt->userData, "error parsing attribute name\n"); |
| 2149 | ctxt->wellFormed = 0; |
| 2150 | return(NULL); |
| 2151 | } |
| 2152 | |
| 2153 | /* |
| 2154 | * read the value |
| 2155 | */ |
| 2156 | SKIP_BLANKS; |
| 2157 | if (CUR == '=') { |
| 2158 | NEXT; |
| 2159 | SKIP_BLANKS; |
| 2160 | val = htmlParseAttValue(ctxt); |
| 2161 | } else { |
Daniel Veillard | 4a53eca | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2162 | /* TODO : some attribute must have values, some may not */ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2163 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2164 | ctxt->sax->warning(ctxt->userData, |
| 2165 | "No value for attribute %s\n", name); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2166 | } |
| 2167 | |
| 2168 | *value = val; |
| 2169 | return(name); |
| 2170 | } |
| 2171 | |
| 2172 | /** |
| 2173 | * htmlParseStartTag: |
| 2174 | * @ctxt: an HTML parser context |
| 2175 | * |
| 2176 | * parse a start of tag either for rule element or |
| 2177 | * EmptyElement. In both case we don't parse the tag closing chars. |
| 2178 | * |
| 2179 | * [40] STag ::= '<' Name (S Attribute)* S? '>' |
| 2180 | * |
| 2181 | * [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>' |
| 2182 | * |
| 2183 | * With namespace: |
| 2184 | * |
| 2185 | * [NS 8] STag ::= '<' QName (S Attribute)* S? '>' |
| 2186 | * |
| 2187 | * [NS 10] EmptyElement ::= '<' QName (S Attribute)* S? '/>' |
| 2188 | * |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2189 | */ |
| 2190 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2191 | void |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2192 | htmlParseStartTag(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2193 | xmlChar *name; |
| 2194 | xmlChar *attname; |
| 2195 | xmlChar *attvalue; |
| 2196 | const xmlChar **atts = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2197 | int nbatts = 0; |
| 2198 | int maxatts = 0; |
| 2199 | int i; |
| 2200 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2201 | if (CUR != '<') return; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2202 | NEXT; |
| 2203 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2204 | GROW; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2205 | name = htmlParseHTMLName(ctxt); |
| 2206 | if (name == NULL) { |
| 2207 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2208 | ctxt->sax->error(ctxt->userData, |
| 2209 | "htmlParseStartTag: invalid element name\n"); |
| 2210 | ctxt->wellFormed = 0; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2211 | return; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2212 | } |
| 2213 | |
| 2214 | /* |
| 2215 | * Check for auto-closure of HTML elements. |
| 2216 | */ |
| 2217 | htmlAutoClose(ctxt, name); |
| 2218 | |
| 2219 | /* |
| 2220 | * Now parse the attributes, it ends up with the ending |
| 2221 | * |
| 2222 | * (S Attribute)* S? |
| 2223 | */ |
| 2224 | SKIP_BLANKS; |
| 2225 | while ((IS_CHAR(CUR)) && |
| 2226 | (CUR != '>') && |
| 2227 | ((CUR != '/') || (NXT(1) != '>'))) { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2228 | long cons = ctxt->nbChars; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2229 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2230 | GROW; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2231 | attname = htmlParseAttribute(ctxt, &attvalue); |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2232 | if (attname != NULL) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2233 | /* |
| 2234 | * Well formedness requires at most one declaration of an attribute |
| 2235 | */ |
| 2236 | for (i = 0; i < nbatts;i += 2) { |
| 2237 | if (!xmlStrcmp(atts[i], attname)) { |
| 2238 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2239 | ctxt->sax->error(ctxt->userData, |
| 2240 | "Attribute %s redefined\n", |
| 2241 | attname); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2242 | ctxt->wellFormed = 0; |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2243 | xmlFree(attname); |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2244 | if (attvalue != NULL) |
| 2245 | xmlFree(attvalue); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2246 | goto failed; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2247 | } |
| 2248 | } |
| 2249 | |
| 2250 | /* |
| 2251 | * Add the pair to atts |
| 2252 | */ |
| 2253 | if (atts == NULL) { |
| 2254 | maxatts = 10; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2255 | atts = (const xmlChar **) xmlMalloc(maxatts * sizeof(xmlChar *)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2256 | if (atts == NULL) { |
| 2257 | fprintf(stderr, "malloc of %ld byte failed\n", |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2258 | maxatts * (long)sizeof(xmlChar *)); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2259 | if (name != NULL) xmlFree(name); |
| 2260 | return; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2261 | } |
Daniel Veillard | 51e3b15 | 1999-11-12 17:02:31 +0000 | [diff] [blame] | 2262 | } else if (nbatts + 4 > maxatts) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2263 | maxatts *= 2; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2264 | atts = (const xmlChar **) xmlRealloc(atts, maxatts * sizeof(xmlChar *)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2265 | if (atts == NULL) { |
| 2266 | fprintf(stderr, "realloc of %ld byte failed\n", |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2267 | maxatts * (long)sizeof(xmlChar *)); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2268 | if (name != NULL) xmlFree(name); |
| 2269 | return; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2270 | } |
| 2271 | } |
| 2272 | atts[nbatts++] = attname; |
| 2273 | atts[nbatts++] = attvalue; |
| 2274 | atts[nbatts] = NULL; |
| 2275 | atts[nbatts + 1] = NULL; |
| 2276 | } |
| 2277 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2278 | failed: |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2279 | SKIP_BLANKS; |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2280 | if (cons == ctxt->nbChars) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2281 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2282 | ctxt->sax->error(ctxt->userData, |
| 2283 | "htmlParseStartTag: problem parsing attributes\n"); |
| 2284 | ctxt->wellFormed = 0; |
| 2285 | break; |
| 2286 | } |
| 2287 | } |
| 2288 | |
| 2289 | /* |
| 2290 | * SAX: Start of Element ! |
| 2291 | */ |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2292 | htmlnamePush(ctxt, xmlStrdup(name)); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2293 | #ifdef DEBUG |
| 2294 | fprintf(stderr,"Start of element %s: pushed %s\n", name, ctxt->name); |
| 2295 | #endif |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2296 | if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL)) |
| 2297 | ctxt->sax->startElement(ctxt->userData, name, atts); |
| 2298 | |
| 2299 | if (atts != NULL) { |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2300 | for (i = 0;i < nbatts;i++) { |
| 2301 | if (atts[i] != NULL) |
| 2302 | xmlFree((xmlChar *) atts[i]); |
| 2303 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2304 | xmlFree(atts); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2305 | } |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2306 | if (name != NULL) xmlFree(name); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2307 | } |
| 2308 | |
| 2309 | /** |
| 2310 | * htmlParseEndTag: |
| 2311 | * @ctxt: an HTML parser context |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2312 | * |
| 2313 | * parse an end of tag |
| 2314 | * |
| 2315 | * [42] ETag ::= '</' Name S? '>' |
| 2316 | * |
| 2317 | * With namespace |
| 2318 | * |
| 2319 | * [NS 9] ETag ::= '</' QName S? '>' |
| 2320 | */ |
| 2321 | |
| 2322 | void |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2323 | htmlParseEndTag(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2324 | xmlChar *name; |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2325 | xmlChar *oldname; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2326 | int i; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2327 | |
| 2328 | if ((CUR != '<') || (NXT(1) != '/')) { |
| 2329 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2330 | ctxt->sax->error(ctxt->userData, "htmlParseEndTag: '</' not found\n"); |
| 2331 | ctxt->wellFormed = 0; |
| 2332 | return; |
| 2333 | } |
| 2334 | SKIP(2); |
| 2335 | |
| 2336 | name = htmlParseHTMLName(ctxt); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2337 | if (name == NULL) return; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2338 | |
| 2339 | /* |
| 2340 | * We should definitely be at the ending "S? '>'" part |
| 2341 | */ |
| 2342 | SKIP_BLANKS; |
| 2343 | if ((!IS_CHAR(CUR)) || (CUR != '>')) { |
| 2344 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2345 | ctxt->sax->error(ctxt->userData, "End tag : expected '>'\n"); |
| 2346 | ctxt->wellFormed = 0; |
| 2347 | } else |
| 2348 | NEXT; |
| 2349 | |
| 2350 | /* |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2351 | * If the name read is not one of the element in the parsing stack |
| 2352 | * then return, it's just an error. |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2353 | */ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2354 | for (i = (ctxt->nameNr - 1);i >= 0;i--) { |
| 2355 | if (!xmlStrcmp(name, ctxt->nameTab[i])) break; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2356 | } |
| 2357 | if (i < 0) { |
| 2358 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2359 | ctxt->sax->error(ctxt->userData, |
| 2360 | "Unexpected end tag : %s\n", name); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2361 | xmlFree(name); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2362 | ctxt->wellFormed = 0; |
| 2363 | return; |
| 2364 | } |
| 2365 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2366 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2367 | /* |
| 2368 | * Check for auto-closure of HTML elements. |
| 2369 | */ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2370 | |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2371 | htmlAutoCloseOnClose(ctxt, name); |
| 2372 | |
| 2373 | /* |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2374 | * Well formedness constraints, opening and closing must match. |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2375 | * With the exception that the autoclose may have popped stuff out |
| 2376 | * of the stack. |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2377 | */ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2378 | if (xmlStrcmp(name, ctxt->name)) { |
| 2379 | #ifdef DEBUG |
| 2380 | fprintf(stderr,"End of tag %s: expecting %s\n", name, ctxt->name); |
| 2381 | #endif |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2382 | if ((ctxt->name != NULL) && |
| 2383 | (xmlStrcmp(ctxt->name, name))) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2384 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2385 | ctxt->sax->error(ctxt->userData, |
| 2386 | "Opening and ending tag mismatch: %s and %s\n", |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2387 | name, ctxt->name); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2388 | ctxt->wellFormed = 0; |
| 2389 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2390 | } |
| 2391 | |
| 2392 | /* |
| 2393 | * SAX: End of Tag |
| 2394 | */ |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2395 | oldname = ctxt->name; |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2396 | if ((oldname != NULL) && (!xmlStrcmp(oldname, name))) { |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2397 | if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| 2398 | ctxt->sax->endElement(ctxt->userData, name); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2399 | oldname = htmlnamePop(ctxt); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2400 | if (oldname != NULL) { |
| 2401 | #ifdef DEBUG |
| 2402 | fprintf(stderr,"End of tag %s: popping out %s\n", name, oldname); |
| 2403 | #endif |
| 2404 | xmlFree(oldname); |
| 2405 | #ifdef DEBUG |
| 2406 | } else { |
| 2407 | fprintf(stderr,"End of tag %s: stack empty !!!\n", name); |
| 2408 | #endif |
| 2409 | } |
| 2410 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2411 | |
| 2412 | if (name != NULL) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2413 | xmlFree(name); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2414 | |
| 2415 | return; |
| 2416 | } |
| 2417 | |
| 2418 | |
| 2419 | /** |
| 2420 | * htmlParseReference: |
| 2421 | * @ctxt: an HTML parser context |
| 2422 | * |
| 2423 | * parse and handle entity references in content, |
| 2424 | * this will end-up in a call to character() since this is either a |
| 2425 | * CharRef, or a predefined entity. |
| 2426 | */ |
| 2427 | void |
| 2428 | htmlParseReference(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2429 | htmlEntityDescPtr ent; |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2430 | xmlChar out[2]; |
| 2431 | xmlChar *name; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2432 | int val; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2433 | if (CUR != '&') return; |
| 2434 | |
| 2435 | if (NXT(1) == '#') { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2436 | val = htmlParseCharRef(ctxt); |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2437 | /* invalid for UTF-8 variable encoding !!!!! */ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2438 | out[0] = val; |
| 2439 | out[1] = 0; |
| 2440 | if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL)) |
| 2441 | ctxt->sax->characters(ctxt->userData, out, 1); |
| 2442 | } else { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2443 | ent = htmlParseEntityRef(ctxt, &name); |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 2444 | if (name == NULL) { |
| 2445 | ctxt->sax->characters(ctxt->userData, BAD_CAST "&", 1); |
| 2446 | return; |
| 2447 | } |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2448 | if ((ent == NULL) || (ent->value <= 0) || (ent->value >= 255)) { |
| 2449 | if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL)) { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2450 | ctxt->sax->characters(ctxt->userData, BAD_CAST "&", 1); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2451 | ctxt->sax->characters(ctxt->userData, name, xmlStrlen(name)); |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 2452 | /* ctxt->sax->characters(ctxt->userData, BAD_CAST ";", 1); */ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2453 | } |
| 2454 | } else { |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2455 | /* invalid for UTF-8 variable encoding !!!!! */ |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2456 | out[0] = ent->value; |
| 2457 | out[1] = 0; |
| 2458 | if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL)) |
| 2459 | ctxt->sax->characters(ctxt->userData, out, 1); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2460 | } |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2461 | xmlFree(name); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2462 | } |
| 2463 | } |
| 2464 | |
| 2465 | /** |
| 2466 | * htmlParseContent: |
| 2467 | * @ctxt: an HTML parser context |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2468 | * @name: the node name |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2469 | * |
| 2470 | * Parse a content: comment, sub-element, reference or text. |
| 2471 | * |
| 2472 | */ |
| 2473 | |
| 2474 | void |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2475 | htmlParseContent(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2476 | xmlChar *currentNode; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2477 | int depth; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2478 | |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2479 | currentNode = xmlStrdup(ctxt->name); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2480 | depth = ctxt->nameNr; |
| 2481 | while (1) { |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2482 | long cons = ctxt->nbChars; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2483 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2484 | GROW; |
| 2485 | /* |
| 2486 | * Our tag or one of it's parent or children is ending. |
| 2487 | */ |
| 2488 | if ((CUR == '<') && (NXT(1) == '/')) { |
| 2489 | htmlParseEndTag(ctxt); |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2490 | if (currentNode != NULL) xmlFree(currentNode); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2491 | return; |
| 2492 | } |
| 2493 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2494 | /* |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2495 | * Has this node been popped out during parsing of |
| 2496 | * the next element |
| 2497 | */ |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2498 | if ((xmlStrcmp(currentNode, ctxt->name)) && |
| 2499 | (depth >= ctxt->nameNr)) { |
| 2500 | if (currentNode != NULL) xmlFree(currentNode); |
| 2501 | return; |
| 2502 | } |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2503 | |
| 2504 | /* |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2505 | * First case : a comment |
| 2506 | */ |
| 2507 | if ((CUR == '<') && (NXT(1) == '!') && |
| 2508 | (NXT(2) == '-') && (NXT(3) == '-')) { |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2509 | htmlParseComment(ctxt); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2510 | } |
| 2511 | |
| 2512 | /* |
| 2513 | * Second case : a sub-element. |
| 2514 | */ |
| 2515 | else if (CUR == '<') { |
| 2516 | htmlParseElement(ctxt); |
| 2517 | } |
| 2518 | |
| 2519 | /* |
| 2520 | * Third case : a reference. If if has not been resolved, |
| 2521 | * parsing returns it's Name, create the node |
| 2522 | */ |
| 2523 | else if (CUR == '&') { |
| 2524 | htmlParseReference(ctxt); |
| 2525 | } |
| 2526 | |
| 2527 | /* |
| 2528 | * Last case, text. Note that References are handled directly. |
| 2529 | */ |
| 2530 | else { |
| 2531 | htmlParseCharData(ctxt, 0); |
| 2532 | } |
| 2533 | |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2534 | if (cons == ctxt->nbChars) { |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 2535 | if (ctxt->node != NULL) { |
| 2536 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2537 | ctxt->sax->error(ctxt->userData, |
| 2538 | "detected an error in element content\n"); |
| 2539 | ctxt->wellFormed = 0; |
| 2540 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2541 | break; |
| 2542 | } |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2543 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 2544 | GROW; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2545 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2546 | if (currentNode != NULL) xmlFree(currentNode); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2547 | } |
| 2548 | |
| 2549 | /** |
| 2550 | * htmlParseElement: |
| 2551 | * @ctxt: an HTML parser context |
| 2552 | * |
| 2553 | * parse an HTML element, this is highly recursive |
| 2554 | * |
| 2555 | * [39] element ::= EmptyElemTag | STag content ETag |
| 2556 | * |
| 2557 | * [41] Attribute ::= Name Eq AttValue |
| 2558 | */ |
| 2559 | |
| 2560 | void |
| 2561 | htmlParseElement(htmlParserCtxtPtr ctxt) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2562 | const xmlChar *openTag = CUR_PTR; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2563 | xmlChar *name; |
Daniel Veillard | 7d2c276 | 1999-10-11 15:09:51 +0000 | [diff] [blame] | 2564 | xmlChar *currentNode = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2565 | htmlElemDescPtr info; |
Daniel Veillard | 1ff7ae3 | 1999-09-01 12:19:13 +0000 | [diff] [blame] | 2566 | htmlParserNodeInfo node_info; |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2567 | xmlChar *oldname; |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2568 | int depth = ctxt->nameNr; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2569 | |
| 2570 | /* Capture start position */ |
Daniel Veillard | 1ff7ae3 | 1999-09-01 12:19:13 +0000 | [diff] [blame] | 2571 | if (ctxt->record_info) { |
| 2572 | node_info.begin_pos = ctxt->input->consumed + |
| 2573 | (CUR_PTR - ctxt->input->base); |
| 2574 | node_info.begin_line = ctxt->input->line; |
| 2575 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2576 | |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2577 | oldname = xmlStrdup(ctxt->name); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2578 | htmlParseStartTag(ctxt); |
| 2579 | name = ctxt->name; |
| 2580 | #ifdef DEBUG |
| 2581 | if (oldname == NULL) |
| 2582 | fprintf(stderr, "Start of element %s\n", name); |
| 2583 | else if (name == NULL) |
| 2584 | fprintf(stderr, "Start of element failed, was %s\n", oldname); |
| 2585 | else |
| 2586 | fprintf(stderr, "Start of element %s, was %s\n", name, oldname); |
| 2587 | #endif |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2588 | if (((depth == ctxt->nameNr) && (!xmlStrcmp(oldname, ctxt->name))) || |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2589 | (name == NULL)) { |
| 2590 | if (CUR == '>') |
| 2591 | NEXT; |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2592 | if (oldname != NULL) |
| 2593 | xmlFree(oldname); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2594 | return; |
| 2595 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2596 | if (oldname != NULL) |
| 2597 | xmlFree(oldname); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2598 | |
| 2599 | /* |
| 2600 | * Lookup the info for that element. |
| 2601 | */ |
| 2602 | info = htmlTagLookup(name); |
| 2603 | if (info == NULL) { |
| 2604 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2605 | ctxt->sax->error(ctxt->userData, "Tag %s invalid\n", |
| 2606 | name); |
| 2607 | ctxt->wellFormed = 0; |
| 2608 | } else if (info->depr) { |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2609 | /*************************** |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2610 | if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) |
| 2611 | ctxt->sax->warning(ctxt->userData, "Tag %s is deprecated\n", |
| 2612 | name); |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2613 | ***************************/ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2614 | } |
| 2615 | |
| 2616 | /* |
| 2617 | * Check for an Empty Element labelled the XML/SGML way |
| 2618 | */ |
| 2619 | if ((CUR == '/') && (NXT(1) == '>')) { |
| 2620 | SKIP(2); |
| 2621 | if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| 2622 | ctxt->sax->endElement(ctxt->userData, name); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2623 | oldname = htmlnamePop(ctxt); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2624 | #ifdef DEBUG |
| 2625 | fprintf(stderr,"End of tag the XML way: popping out %s\n", oldname); |
| 2626 | #endif |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2627 | if (oldname != NULL) |
| 2628 | xmlFree(oldname); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2629 | return; |
| 2630 | } |
| 2631 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 2632 | if (CUR == '>') { |
| 2633 | NEXT; |
| 2634 | } else { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2635 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2636 | ctxt->sax->error(ctxt->userData, "Couldn't find end of Start Tag\n%.30s\n", |
| 2637 | openTag); |
| 2638 | ctxt->wellFormed = 0; |
| 2639 | |
| 2640 | /* |
| 2641 | * end of parsing of this node. |
| 2642 | */ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2643 | if (!xmlStrcmp(name, ctxt->name)) { |
| 2644 | nodePop(ctxt); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2645 | oldname = htmlnamePop(ctxt); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2646 | #ifdef DEBUG |
| 2647 | fprintf(stderr,"End of start tag problem: popping out %s\n", oldname); |
| 2648 | #endif |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2649 | if (oldname != NULL) |
| 2650 | xmlFree(oldname); |
| 2651 | } |
Daniel Veillard | 1ff7ae3 | 1999-09-01 12:19:13 +0000 | [diff] [blame] | 2652 | |
| 2653 | /* |
| 2654 | * Capture end position and add node |
| 2655 | */ |
| 2656 | if ( currentNode != NULL && ctxt->record_info ) { |
| 2657 | node_info.end_pos = ctxt->input->consumed + |
| 2658 | (CUR_PTR - ctxt->input->base); |
| 2659 | node_info.end_line = ctxt->input->line; |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2660 | node_info.node = ctxt->node; |
Daniel Veillard | 1ff7ae3 | 1999-09-01 12:19:13 +0000 | [diff] [blame] | 2661 | xmlParserAddNodeInfo(ctxt, &node_info); |
| 2662 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2663 | return; |
| 2664 | } |
| 2665 | |
| 2666 | /* |
| 2667 | * Check for an Empty Element from DTD definition |
| 2668 | */ |
| 2669 | if ((info != NULL) && (info->empty)) { |
| 2670 | if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| 2671 | ctxt->sax->endElement(ctxt->userData, name); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2672 | oldname = htmlnamePop(ctxt); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2673 | #ifdef DEBUG |
| 2674 | fprintf(stderr,"End of empty tag %s : popping out %s\n", name, oldname); |
| 2675 | #endif |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2676 | if (oldname != NULL) |
| 2677 | xmlFree(oldname); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2678 | return; |
| 2679 | } |
| 2680 | |
| 2681 | /* |
| 2682 | * Parse the content of the element: |
| 2683 | */ |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2684 | currentNode = xmlStrdup(ctxt->name); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2685 | depth = ctxt->nameNr; |
| 2686 | while (IS_CHAR(CUR)) { |
| 2687 | htmlParseContent(ctxt); |
| 2688 | if (ctxt->nameNr < depth) break; |
| 2689 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2690 | |
| 2691 | if (!IS_CHAR(CUR)) { |
| 2692 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2693 | ctxt->sax->error(ctxt->userData, |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2694 | "Premature end of data in tag %s\n", currentNode); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2695 | ctxt->wellFormed = 0; |
| 2696 | |
| 2697 | /* |
| 2698 | * end of parsing of this node. |
| 2699 | */ |
| 2700 | nodePop(ctxt); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2701 | oldname = htmlnamePop(ctxt); |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2702 | #ifdef DEBUG |
| 2703 | fprintf(stderr,"Premature end of tag %s : popping out %s\n", name, oldname); |
| 2704 | #endif |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2705 | if (oldname != NULL) |
| 2706 | xmlFree(oldname); |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2707 | if (currentNode != NULL) |
| 2708 | xmlFree(currentNode); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2709 | return; |
| 2710 | } |
| 2711 | |
Daniel Veillard | 1ff7ae3 | 1999-09-01 12:19:13 +0000 | [diff] [blame] | 2712 | /* |
| 2713 | * Capture end position and add node |
| 2714 | */ |
| 2715 | if ( currentNode != NULL && ctxt->record_info ) { |
| 2716 | node_info.end_pos = ctxt->input->consumed + |
| 2717 | (CUR_PTR - ctxt->input->base); |
| 2718 | node_info.end_line = ctxt->input->line; |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2719 | node_info.node = ctxt->node; |
Daniel Veillard | 1ff7ae3 | 1999-09-01 12:19:13 +0000 | [diff] [blame] | 2720 | xmlParserAddNodeInfo(ctxt, &node_info); |
| 2721 | } |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2722 | if (currentNode != NULL) |
| 2723 | xmlFree(currentNode); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2724 | } |
| 2725 | |
| 2726 | /** |
| 2727 | * htmlParseDocument : |
| 2728 | * @ctxt: an HTML parser context |
| 2729 | * |
| 2730 | * parse an HTML document (and build a tree if using the standard SAX |
| 2731 | * interface). |
| 2732 | * |
| 2733 | * Returns 0, -1 in case of error. the parser context is augmented |
| 2734 | * as a result of the parsing. |
| 2735 | */ |
| 2736 | |
| 2737 | int |
| 2738 | htmlParseDocument(htmlParserCtxtPtr ctxt) { |
| 2739 | htmlDefaultSAXHandlerInit(); |
| 2740 | ctxt->html = 1; |
| 2741 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 2742 | GROW; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2743 | /* |
Daniel Veillard | b96e643 | 1999-08-29 21:02:19 +0000 | [diff] [blame] | 2744 | * SAX: beginning of the document processing. |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2745 | */ |
| 2746 | if ((ctxt->sax) && (ctxt->sax->setDocumentLocator)) |
| 2747 | ctxt->sax->setDocumentLocator(ctxt->userData, &xmlDefaultSAXLocator); |
| 2748 | |
| 2749 | /* |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2750 | * Wipe out everything which is before the first '<' |
| 2751 | */ |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 2752 | SKIP_BLANKS; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2753 | if (CUR == 0) { |
| 2754 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 2755 | ctxt->sax->error(ctxt->userData, "Document is empty\n"); |
| 2756 | ctxt->wellFormed = 0; |
| 2757 | } |
| 2758 | |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 2759 | /* |
| 2760 | * Parse possible comments before any content |
| 2761 | */ |
| 2762 | while ((CUR == '<') && (NXT(1) == '!') && |
| 2763 | (NXT(2) == '-') && (NXT(3) == '-')) { |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2764 | if (ctxt->myDoc == NULL) |
| 2765 | ctxt->myDoc = htmlNewDoc(NULL, NULL); |
| 2766 | htmlParseComment(ctxt); |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 2767 | SKIP_BLANKS; |
| 2768 | } |
| 2769 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2770 | |
| 2771 | /* |
| 2772 | * Then possibly doc type declaration(s) and more Misc |
| 2773 | * (doctypedecl Misc*)? |
| 2774 | */ |
| 2775 | if ((CUR == '<') && (NXT(1) == '!') && |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2776 | (UPP(2) == 'D') && (UPP(3) == 'O') && |
| 2777 | (UPP(4) == 'C') && (UPP(5) == 'T') && |
| 2778 | (UPP(6) == 'Y') && (UPP(7) == 'P') && |
| 2779 | (UPP(8) == 'E')) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2780 | htmlParseDocTypeDecl(ctxt); |
| 2781 | } |
| 2782 | SKIP_BLANKS; |
| 2783 | |
| 2784 | /* |
| 2785 | * Create the document if not done already. |
| 2786 | */ |
| 2787 | if (ctxt->myDoc == NULL) { |
| 2788 | ctxt->myDoc = htmlNewDoc(NULL, NULL); |
| 2789 | } |
| 2790 | |
| 2791 | /* |
| 2792 | * Time to start parsing the tree itself |
| 2793 | */ |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 2794 | htmlParseContent(ctxt); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2795 | |
| 2796 | /* |
| 2797 | * SAX: end of the document processing. |
| 2798 | */ |
| 2799 | if ((ctxt->sax) && (ctxt->sax->endDocument != NULL)) |
| 2800 | ctxt->sax->endDocument(ctxt->userData); |
| 2801 | if (! ctxt->wellFormed) return(-1); |
| 2802 | return(0); |
| 2803 | } |
| 2804 | |
| 2805 | |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 2806 | /************************************************************************ |
| 2807 | * * |
| 2808 | * Parser contexts handling * |
| 2809 | * * |
| 2810 | ************************************************************************/ |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2811 | |
| 2812 | /** |
| 2813 | * xmlInitParserCtxt: |
| 2814 | * @ctxt: an HTML parser context |
| 2815 | * |
| 2816 | * Initialize a parser context |
| 2817 | */ |
| 2818 | |
| 2819 | void |
| 2820 | htmlInitParserCtxt(htmlParserCtxtPtr ctxt) |
| 2821 | { |
| 2822 | htmlSAXHandler *sax; |
| 2823 | |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 2824 | if (ctxt == NULL) return; |
| 2825 | memset(ctxt, 0, sizeof(htmlParserCtxt)); |
| 2826 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2827 | sax = (htmlSAXHandler *) xmlMalloc(sizeof(htmlSAXHandler)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2828 | if (sax == NULL) { |
| 2829 | fprintf(stderr, "htmlInitParserCtxt: out of memory\n"); |
| 2830 | } |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2831 | memset(sax, 0, sizeof(htmlSAXHandler)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2832 | |
| 2833 | /* Allocate the Input stack */ |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2834 | ctxt->inputTab = (htmlParserInputPtr *) |
| 2835 | xmlMalloc(5 * sizeof(htmlParserInputPtr)); |
| 2836 | if (ctxt->inputTab == NULL) { |
| 2837 | fprintf(stderr, "htmlInitParserCtxt: out of memory\n"); |
| 2838 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2839 | ctxt->inputNr = 0; |
| 2840 | ctxt->inputMax = 5; |
| 2841 | ctxt->input = NULL; |
| 2842 | ctxt->version = NULL; |
| 2843 | ctxt->encoding = NULL; |
| 2844 | ctxt->standalone = -1; |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 2845 | ctxt->instate = XML_PARSER_START; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2846 | |
| 2847 | /* Allocate the Node stack */ |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2848 | ctxt->nodeTab = (htmlNodePtr *) xmlMalloc(10 * sizeof(htmlNodePtr)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2849 | ctxt->nodeNr = 0; |
| 2850 | ctxt->nodeMax = 10; |
| 2851 | ctxt->node = NULL; |
| 2852 | |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2853 | /* Allocate the Name stack */ |
| 2854 | ctxt->nameTab = (xmlChar **) xmlMalloc(10 * sizeof(xmlChar *)); |
| 2855 | ctxt->nameNr = 0; |
| 2856 | ctxt->nameMax = 10; |
| 2857 | ctxt->name = NULL; |
| 2858 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2859 | if (sax == NULL) ctxt->sax = &htmlDefaultSAXHandler; |
| 2860 | else { |
| 2861 | ctxt->sax = sax; |
| 2862 | memcpy(sax, &htmlDefaultSAXHandler, sizeof(htmlSAXHandler)); |
| 2863 | } |
| 2864 | ctxt->userData = ctxt; |
| 2865 | ctxt->myDoc = NULL; |
| 2866 | ctxt->wellFormed = 1; |
Daniel Veillard | 5233ffc | 1999-07-06 22:25:25 +0000 | [diff] [blame] | 2867 | ctxt->replaceEntities = 0; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2868 | ctxt->html = 1; |
| 2869 | ctxt->record_info = 0; |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 2870 | ctxt->validate = 0; |
Daniel Veillard | af78a0e | 1999-12-12 13:03:50 +0000 | [diff] [blame] | 2871 | ctxt->nbChars = 0; |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 2872 | ctxt->checkIndex = 0; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2873 | xmlInitNodeInfoSeq(&ctxt->node_seq); |
| 2874 | } |
| 2875 | |
| 2876 | /** |
| 2877 | * htmlFreeParserCtxt: |
| 2878 | * @ctxt: an HTML parser context |
| 2879 | * |
| 2880 | * Free all the memory used by a parser context. However the parsed |
| 2881 | * document in ctxt->myDoc is not freed. |
| 2882 | */ |
| 2883 | |
| 2884 | void |
| 2885 | htmlFreeParserCtxt(htmlParserCtxtPtr ctxt) |
| 2886 | { |
| 2887 | htmlParserInputPtr input; |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2888 | xmlChar *oldname; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2889 | |
| 2890 | if (ctxt == NULL) return; |
| 2891 | |
| 2892 | while ((input = inputPop(ctxt)) != NULL) { |
| 2893 | xmlFreeInputStream(input); |
| 2894 | } |
| 2895 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2896 | if (ctxt->nodeTab != NULL) xmlFree(ctxt->nodeTab); |
Daniel Veillard | 4c3a203 | 1999-11-19 17:46:26 +0000 | [diff] [blame] | 2897 | while ((oldname = htmlnamePop(ctxt)) != NULL) { |
| 2898 | xmlFree(oldname); |
Daniel Veillard | 2673d3c | 1999-10-08 14:37:09 +0000 | [diff] [blame] | 2899 | } |
| 2900 | if (ctxt->nameTab != NULL) xmlFree(ctxt->nameTab); |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2901 | if (ctxt->directory != NULL) xmlFree(ctxt->directory); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2902 | if (ctxt->inputTab != NULL) xmlFree(ctxt->inputTab); |
| 2903 | if (ctxt->version != NULL) xmlFree((char *) ctxt->version); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2904 | if ((ctxt->sax != NULL) && (ctxt->sax != &htmlDefaultSAXHandler)) |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2905 | xmlFree(ctxt->sax); |
| 2906 | xmlFree(ctxt); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2907 | } |
| 2908 | |
| 2909 | /** |
| 2910 | * htmlCreateDocParserCtxt : |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2911 | * @cur: a pointer to an array of xmlChar |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2912 | * @encoding: a free form C string describing the HTML document encoding, or NULL |
| 2913 | * |
| 2914 | * Create a parser context for an HTML document. |
| 2915 | * |
| 2916 | * Returns the new parser context or NULL |
| 2917 | */ |
| 2918 | htmlParserCtxtPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 2919 | htmlCreateDocParserCtxt(xmlChar *cur, const char *encoding) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2920 | htmlParserCtxtPtr ctxt; |
| 2921 | htmlParserInputPtr input; |
| 2922 | /* htmlCharEncoding enc; */ |
| 2923 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2924 | ctxt = (htmlParserCtxtPtr) xmlMalloc(sizeof(htmlParserCtxt)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2925 | if (ctxt == NULL) { |
| 2926 | perror("malloc"); |
| 2927 | return(NULL); |
| 2928 | } |
| 2929 | htmlInitParserCtxt(ctxt); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2930 | input = (htmlParserInputPtr) xmlMalloc(sizeof(htmlParserInput)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2931 | if (input == NULL) { |
| 2932 | perror("malloc"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 2933 | xmlFree(ctxt); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2934 | return(NULL); |
| 2935 | } |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 2936 | memset(input, 0, sizeof(htmlParserInput)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2937 | |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2938 | input->line = 1; |
| 2939 | input->col = 1; |
| 2940 | input->base = cur; |
| 2941 | input->cur = cur; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 2942 | |
| 2943 | inputPush(ctxt, input); |
| 2944 | return(ctxt); |
| 2945 | } |
| 2946 | |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 2947 | /************************************************************************ |
| 2948 | * * |
| 2949 | * Progressive parsing interfaces * |
| 2950 | * * |
| 2951 | ************************************************************************/ |
| 2952 | |
| 2953 | /** |
| 2954 | * htmlParseLookupSequence: |
| 2955 | * @ctxt: an HTML parser context |
| 2956 | * @first: the first char to lookup |
| 2957 | * @next: the next char to lookup or zero |
| 2958 | * @third: the next char to lookup or zero |
| 2959 | * |
| 2960 | * Try to find if a sequence (first, next, third) or just (first next) or |
| 2961 | * (first) is available in the input stream. |
| 2962 | * This function has a side effect of (possibly) incrementing ctxt->checkIndex |
| 2963 | * to avoid rescanning sequences of bytes, it DOES change the state of the |
| 2964 | * parser, do not use liberally. |
| 2965 | * This is basically similar to xmlParseLookupSequence() |
| 2966 | * |
| 2967 | * Returns the index to the current parsing point if the full sequence |
| 2968 | * is available, -1 otherwise. |
| 2969 | */ |
| 2970 | int |
| 2971 | htmlParseLookupSequence(htmlParserCtxtPtr ctxt, xmlChar first, |
| 2972 | xmlChar next, xmlChar third) { |
| 2973 | int base, len; |
| 2974 | htmlParserInputPtr in; |
| 2975 | const xmlChar *buf; |
| 2976 | |
| 2977 | in = ctxt->input; |
| 2978 | if (in == NULL) return(-1); |
| 2979 | base = in->cur - in->base; |
| 2980 | if (base < 0) return(-1); |
| 2981 | if (ctxt->checkIndex > base) |
| 2982 | base = ctxt->checkIndex; |
| 2983 | if (in->buf == NULL) { |
| 2984 | buf = in->base; |
| 2985 | len = in->length; |
| 2986 | } else { |
| 2987 | buf = in->buf->buffer->content; |
| 2988 | len = in->buf->buffer->use; |
| 2989 | } |
| 2990 | /* take into account the sequence length */ |
| 2991 | if (third) len -= 2; |
| 2992 | else if (next) len --; |
| 2993 | for (;base < len;base++) { |
| 2994 | if (buf[base] == first) { |
| 2995 | if (third != 0) { |
| 2996 | if ((buf[base + 1] != next) || |
| 2997 | (buf[base + 2] != third)) continue; |
| 2998 | } else if (next != 0) { |
| 2999 | if (buf[base + 1] != next) continue; |
| 3000 | } |
| 3001 | ctxt->checkIndex = 0; |
| 3002 | #ifdef DEBUG_PUSH |
| 3003 | if (next == 0) |
| 3004 | fprintf(stderr, "HPP: lookup '%c' found at %d\n", |
| 3005 | first, base); |
| 3006 | else if (third == 0) |
| 3007 | fprintf(stderr, "HPP: lookup '%c%c' found at %d\n", |
| 3008 | first, next, base); |
| 3009 | else |
| 3010 | fprintf(stderr, "HPP: lookup '%c%c%c' found at %d\n", |
| 3011 | first, next, third, base); |
| 3012 | #endif |
| 3013 | return(base - (in->cur - in->base)); |
| 3014 | } |
| 3015 | } |
| 3016 | ctxt->checkIndex = base; |
| 3017 | #ifdef DEBUG_PUSH |
| 3018 | if (next == 0) |
| 3019 | fprintf(stderr, "HPP: lookup '%c' failed\n", first); |
| 3020 | else if (third == 0) |
| 3021 | fprintf(stderr, "HPP: lookup '%c%c' failed\n", first, next); |
| 3022 | else |
| 3023 | fprintf(stderr, "HPP: lookup '%c%c%c' failed\n", first, next, third); |
| 3024 | #endif |
| 3025 | return(-1); |
| 3026 | } |
| 3027 | |
| 3028 | /** |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3029 | * htmlParseTryOrFinish: |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3030 | * @ctxt: an HTML parser context |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3031 | * @terminate: last chunk indicator |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3032 | * |
| 3033 | * Try to progress on parsing |
| 3034 | * |
| 3035 | * Returns zero if no parsing was possible |
| 3036 | */ |
| 3037 | int |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3038 | htmlParseTryOrFinish(htmlParserCtxtPtr ctxt, int terminate) { |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3039 | int ret = 0; |
| 3040 | htmlParserInputPtr in; |
| 3041 | int avail; |
| 3042 | xmlChar cur, next; |
| 3043 | |
| 3044 | #ifdef DEBUG_PUSH |
| 3045 | switch (ctxt->instate) { |
| 3046 | case XML_PARSER_EOF: |
| 3047 | fprintf(stderr, "HPP: try EOF\n"); break; |
| 3048 | case XML_PARSER_START: |
| 3049 | fprintf(stderr, "HPP: try START\n"); break; |
| 3050 | case XML_PARSER_MISC: |
| 3051 | fprintf(stderr, "HPP: try MISC\n");break; |
| 3052 | case XML_PARSER_COMMENT: |
| 3053 | fprintf(stderr, "HPP: try COMMENT\n");break; |
| 3054 | case XML_PARSER_PROLOG: |
| 3055 | fprintf(stderr, "HPP: try PROLOG\n");break; |
| 3056 | case XML_PARSER_START_TAG: |
| 3057 | fprintf(stderr, "HPP: try START_TAG\n");break; |
| 3058 | case XML_PARSER_CONTENT: |
| 3059 | fprintf(stderr, "HPP: try CONTENT\n");break; |
| 3060 | case XML_PARSER_CDATA_SECTION: |
| 3061 | fprintf(stderr, "HPP: try CDATA_SECTION\n");break; |
| 3062 | case XML_PARSER_END_TAG: |
| 3063 | fprintf(stderr, "HPP: try END_TAG\n");break; |
| 3064 | case XML_PARSER_ENTITY_DECL: |
| 3065 | fprintf(stderr, "HPP: try ENTITY_DECL\n");break; |
| 3066 | case XML_PARSER_ENTITY_VALUE: |
| 3067 | fprintf(stderr, "HPP: try ENTITY_VALUE\n");break; |
| 3068 | case XML_PARSER_ATTRIBUTE_VALUE: |
| 3069 | fprintf(stderr, "HPP: try ATTRIBUTE_VALUE\n");break; |
| 3070 | case XML_PARSER_DTD: |
| 3071 | fprintf(stderr, "HPP: try DTD\n");break; |
| 3072 | case XML_PARSER_EPILOG: |
| 3073 | fprintf(stderr, "HPP: try EPILOG\n");break; |
| 3074 | case XML_PARSER_PI: |
| 3075 | fprintf(stderr, "HPP: try PI\n");break; |
| 3076 | } |
| 3077 | #endif |
| 3078 | |
| 3079 | while (1) { |
| 3080 | |
| 3081 | in = ctxt->input; |
| 3082 | if (in == NULL) break; |
| 3083 | if (in->buf == NULL) |
| 3084 | avail = in->length - (in->cur - in->base); |
| 3085 | else |
| 3086 | avail = in->buf->buffer->use - (in->cur - in->base); |
| 3087 | if (avail < 1) |
| 3088 | goto done; |
| 3089 | switch (ctxt->instate) { |
| 3090 | case XML_PARSER_EOF: |
| 3091 | /* |
| 3092 | * Document parsing is done ! |
| 3093 | */ |
| 3094 | goto done; |
| 3095 | case XML_PARSER_START: |
| 3096 | /* |
| 3097 | * Very first chars read from the document flow. |
| 3098 | */ |
| 3099 | cur = in->cur[0]; |
| 3100 | if (IS_BLANK(cur)) { |
| 3101 | SKIP_BLANKS; |
| 3102 | if (in->buf == NULL) |
| 3103 | avail = in->length - (in->cur - in->base); |
| 3104 | else |
| 3105 | avail = in->buf->buffer->use - (in->cur - in->base); |
| 3106 | } |
| 3107 | if ((ctxt->sax) && (ctxt->sax->setDocumentLocator)) |
| 3108 | ctxt->sax->setDocumentLocator(ctxt->userData, |
| 3109 | &xmlDefaultSAXLocator); |
| 3110 | cur = in->cur[0]; |
| 3111 | next = in->cur[1]; |
| 3112 | if ((cur == '<') && (next == '!') && |
| 3113 | (UPP(2) == 'D') && (UPP(3) == 'O') && |
| 3114 | (UPP(4) == 'C') && (UPP(5) == 'T') && |
| 3115 | (UPP(6) == 'Y') && (UPP(7) == 'P') && |
| 3116 | (UPP(8) == 'E')) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3117 | if ((!terminate) && |
| 3118 | (htmlParseLookupSequence(ctxt, '>', 0, 0) < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3119 | goto done; |
| 3120 | #ifdef DEBUG_PUSH |
| 3121 | fprintf(stderr, "HPP: Parsing internal subset\n"); |
| 3122 | #endif |
| 3123 | htmlParseDocTypeDecl(ctxt); |
| 3124 | ctxt->instate = XML_PARSER_PROLOG; |
| 3125 | #ifdef DEBUG_PUSH |
| 3126 | fprintf(stderr, "HPP: entering PROLOG\n"); |
| 3127 | #endif |
| 3128 | } else { |
| 3129 | ctxt->myDoc = htmlNewDoc(NULL, NULL); |
| 3130 | ctxt->instate = XML_PARSER_MISC; |
| 3131 | } |
| 3132 | #ifdef DEBUG_PUSH |
| 3133 | fprintf(stderr, "HPP: entering MISC\n"); |
| 3134 | #endif |
| 3135 | break; |
| 3136 | case XML_PARSER_MISC: |
| 3137 | SKIP_BLANKS; |
| 3138 | if (in->buf == NULL) |
| 3139 | avail = in->length - (in->cur - in->base); |
| 3140 | else |
| 3141 | avail = in->buf->buffer->use - (in->cur - in->base); |
| 3142 | if (avail < 2) |
| 3143 | goto done; |
| 3144 | cur = in->cur[0]; |
| 3145 | next = in->cur[1]; |
| 3146 | if ((cur == '<') && (next == '!') && |
| 3147 | (in->cur[2] == '-') && (in->cur[3] == '-')) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3148 | if ((!terminate) && |
| 3149 | (htmlParseLookupSequence(ctxt, '-', '-', '>') < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3150 | goto done; |
| 3151 | #ifdef DEBUG_PUSH |
| 3152 | fprintf(stderr, "HPP: Parsing Comment\n"); |
| 3153 | #endif |
| 3154 | htmlParseComment(ctxt); |
| 3155 | ctxt->instate = XML_PARSER_MISC; |
| 3156 | } else if ((cur == '<') && (next == '!') && |
| 3157 | (UPP(2) == 'D') && (UPP(3) == 'O') && |
| 3158 | (UPP(4) == 'C') && (UPP(5) == 'T') && |
| 3159 | (UPP(6) == 'Y') && (UPP(7) == 'P') && |
| 3160 | (UPP(8) == 'E')) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3161 | if ((!terminate) && |
| 3162 | (htmlParseLookupSequence(ctxt, '>', 0, 0) < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3163 | goto done; |
| 3164 | #ifdef DEBUG_PUSH |
| 3165 | fprintf(stderr, "HPP: Parsing internal subset\n"); |
| 3166 | #endif |
| 3167 | htmlParseDocTypeDecl(ctxt); |
| 3168 | ctxt->instate = XML_PARSER_PROLOG; |
| 3169 | #ifdef DEBUG_PUSH |
| 3170 | fprintf(stderr, "HPP: entering PROLOG\n"); |
| 3171 | #endif |
| 3172 | } else if ((cur == '<') && (next == '!') && |
| 3173 | (avail < 9)) { |
| 3174 | goto done; |
| 3175 | } else { |
| 3176 | ctxt->instate = XML_PARSER_START_TAG; |
| 3177 | #ifdef DEBUG_PUSH |
| 3178 | fprintf(stderr, "HPP: entering START_TAG\n"); |
| 3179 | #endif |
| 3180 | } |
| 3181 | break; |
| 3182 | case XML_PARSER_PROLOG: |
| 3183 | SKIP_BLANKS; |
| 3184 | if (in->buf == NULL) |
| 3185 | avail = in->length - (in->cur - in->base); |
| 3186 | else |
| 3187 | avail = in->buf->buffer->use - (in->cur - in->base); |
| 3188 | if (avail < 2) |
| 3189 | goto done; |
| 3190 | cur = in->cur[0]; |
| 3191 | next = in->cur[1]; |
| 3192 | if ((cur == '<') && (next == '!') && |
| 3193 | (in->cur[2] == '-') && (in->cur[3] == '-')) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3194 | if ((!terminate) && |
| 3195 | (htmlParseLookupSequence(ctxt, '-', '-', '>') < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3196 | goto done; |
| 3197 | #ifdef DEBUG_PUSH |
| 3198 | fprintf(stderr, "HPP: Parsing Comment\n"); |
| 3199 | #endif |
| 3200 | htmlParseComment(ctxt); |
| 3201 | ctxt->instate = XML_PARSER_PROLOG; |
| 3202 | } else if ((cur == '<') && (next == '!') && |
| 3203 | (avail < 4)) { |
| 3204 | goto done; |
| 3205 | } else { |
| 3206 | ctxt->instate = XML_PARSER_START_TAG; |
| 3207 | #ifdef DEBUG_PUSH |
| 3208 | fprintf(stderr, "HPP: entering START_TAG\n"); |
| 3209 | #endif |
| 3210 | } |
| 3211 | break; |
| 3212 | case XML_PARSER_EPILOG: |
| 3213 | SKIP_BLANKS; |
| 3214 | if (in->buf == NULL) |
| 3215 | avail = in->length - (in->cur - in->base); |
| 3216 | else |
| 3217 | avail = in->buf->buffer->use - (in->cur - in->base); |
| 3218 | if (avail < 2) |
| 3219 | goto done; |
| 3220 | cur = in->cur[0]; |
| 3221 | next = in->cur[1]; |
| 3222 | if ((cur == '<') && (next == '!') && |
| 3223 | (in->cur[2] == '-') && (in->cur[3] == '-')) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3224 | if ((!terminate) && |
| 3225 | (htmlParseLookupSequence(ctxt, '-', '-', '>') < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3226 | goto done; |
| 3227 | #ifdef DEBUG_PUSH |
| 3228 | fprintf(stderr, "HPP: Parsing Comment\n"); |
| 3229 | #endif |
| 3230 | htmlParseComment(ctxt); |
| 3231 | ctxt->instate = XML_PARSER_EPILOG; |
| 3232 | } else if ((cur == '<') && (next == '!') && |
| 3233 | (avail < 4)) { |
| 3234 | goto done; |
| 3235 | } else { |
| 3236 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3237 | ctxt->sax->error(ctxt->userData, |
| 3238 | "Extra content at the end of the document\n"); |
| 3239 | ctxt->wellFormed = 0; |
| 3240 | ctxt->errNo = XML_ERR_DOCUMENT_END; |
| 3241 | ctxt->instate = XML_PARSER_EOF; |
| 3242 | #ifdef DEBUG_PUSH |
| 3243 | fprintf(stderr, "HPP: entering EOF\n"); |
| 3244 | #endif |
| 3245 | if ((ctxt->sax) && (ctxt->sax->endDocument != NULL)) |
| 3246 | ctxt->sax->endDocument(ctxt->userData); |
| 3247 | goto done; |
| 3248 | } |
| 3249 | break; |
| 3250 | case XML_PARSER_START_TAG: { |
| 3251 | xmlChar *name, *oldname; |
| 3252 | int depth = ctxt->nameNr; |
| 3253 | htmlElemDescPtr info; |
| 3254 | |
| 3255 | if (avail < 2) |
| 3256 | goto done; |
| 3257 | cur = in->cur[0]; |
| 3258 | if (cur != '<') { |
| 3259 | ctxt->instate = XML_PARSER_CONTENT; |
| 3260 | #ifdef DEBUG_PUSH |
| 3261 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3262 | #endif |
| 3263 | break; |
| 3264 | } |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3265 | if ((!terminate) && |
| 3266 | (htmlParseLookupSequence(ctxt, '>', 0, 0) < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3267 | goto done; |
| 3268 | |
| 3269 | oldname = xmlStrdup(ctxt->name); |
| 3270 | htmlParseStartTag(ctxt); |
| 3271 | name = ctxt->name; |
| 3272 | #ifdef DEBUG |
| 3273 | if (oldname == NULL) |
| 3274 | fprintf(stderr, "Start of element %s\n", name); |
| 3275 | else if (name == NULL) |
| 3276 | fprintf(stderr, "Start of element failed, was %s\n", |
| 3277 | oldname); |
| 3278 | else |
| 3279 | fprintf(stderr, "Start of element %s, was %s\n", |
| 3280 | name, oldname); |
| 3281 | #endif |
| 3282 | if (((depth == ctxt->nameNr) && |
| 3283 | (!xmlStrcmp(oldname, ctxt->name))) || |
| 3284 | (name == NULL)) { |
| 3285 | if (CUR == '>') |
| 3286 | NEXT; |
| 3287 | if (oldname != NULL) |
| 3288 | xmlFree(oldname); |
| 3289 | break; |
| 3290 | } |
| 3291 | if (oldname != NULL) |
| 3292 | xmlFree(oldname); |
| 3293 | |
| 3294 | /* |
| 3295 | * Lookup the info for that element. |
| 3296 | */ |
| 3297 | info = htmlTagLookup(name); |
| 3298 | if (info == NULL) { |
| 3299 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3300 | ctxt->sax->error(ctxt->userData, "Tag %s invalid\n", |
| 3301 | name); |
| 3302 | ctxt->wellFormed = 0; |
| 3303 | } else if (info->depr) { |
| 3304 | /*************************** |
| 3305 | if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL)) |
| 3306 | ctxt->sax->warning(ctxt->userData, |
| 3307 | "Tag %s is deprecated\n", |
| 3308 | name); |
| 3309 | ***************************/ |
| 3310 | } |
| 3311 | |
| 3312 | /* |
| 3313 | * Check for an Empty Element labelled the XML/SGML way |
| 3314 | */ |
| 3315 | if ((CUR == '/') && (NXT(1) == '>')) { |
| 3316 | SKIP(2); |
| 3317 | if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| 3318 | ctxt->sax->endElement(ctxt->userData, name); |
| 3319 | oldname = htmlnamePop(ctxt); |
| 3320 | #ifdef DEBUG |
| 3321 | fprintf(stderr,"End of tag the XML way: popping out %s\n", |
| 3322 | oldname); |
| 3323 | #endif |
| 3324 | if (oldname != NULL) |
| 3325 | xmlFree(oldname); |
| 3326 | ctxt->instate = XML_PARSER_CONTENT; |
| 3327 | #ifdef DEBUG_PUSH |
| 3328 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3329 | #endif |
| 3330 | break; |
| 3331 | } |
| 3332 | |
| 3333 | if (CUR == '>') { |
| 3334 | NEXT; |
| 3335 | } else { |
| 3336 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3337 | ctxt->sax->error(ctxt->userData, |
| 3338 | "Couldn't find end of Start Tag %s\n", |
| 3339 | name); |
| 3340 | ctxt->wellFormed = 0; |
| 3341 | |
| 3342 | /* |
| 3343 | * end of parsing of this node. |
| 3344 | */ |
| 3345 | if (!xmlStrcmp(name, ctxt->name)) { |
| 3346 | nodePop(ctxt); |
| 3347 | oldname = htmlnamePop(ctxt); |
| 3348 | #ifdef DEBUG |
| 3349 | fprintf(stderr, |
| 3350 | "End of start tag problem: popping out %s\n", oldname); |
| 3351 | #endif |
| 3352 | if (oldname != NULL) |
| 3353 | xmlFree(oldname); |
| 3354 | } |
| 3355 | |
| 3356 | ctxt->instate = XML_PARSER_CONTENT; |
| 3357 | #ifdef DEBUG_PUSH |
| 3358 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3359 | #endif |
| 3360 | break; |
| 3361 | } |
| 3362 | |
| 3363 | /* |
| 3364 | * Check for an Empty Element from DTD definition |
| 3365 | */ |
| 3366 | if ((info != NULL) && (info->empty)) { |
| 3367 | if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL)) |
| 3368 | ctxt->sax->endElement(ctxt->userData, name); |
| 3369 | oldname = htmlnamePop(ctxt); |
| 3370 | #ifdef DEBUG |
| 3371 | fprintf(stderr,"End of empty tag %s : popping out %s\n", name, oldname); |
| 3372 | #endif |
| 3373 | if (oldname != NULL) |
| 3374 | xmlFree(oldname); |
| 3375 | } |
| 3376 | ctxt->instate = XML_PARSER_CONTENT; |
| 3377 | #ifdef DEBUG_PUSH |
| 3378 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3379 | #endif |
| 3380 | break; |
| 3381 | } |
| 3382 | case XML_PARSER_CONTENT: |
| 3383 | /* |
| 3384 | * Handle preparsed entities and charRef |
| 3385 | */ |
| 3386 | if (ctxt->token != 0) { |
| 3387 | xmlChar cur[2] = { 0 , 0 } ; |
| 3388 | |
| 3389 | cur[0] = (xmlChar) ctxt->token; |
| 3390 | if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL)) |
| 3391 | ctxt->sax->characters(ctxt->userData, cur, 1); |
| 3392 | ctxt->token = 0; |
| 3393 | ctxt->checkIndex = 0; |
| 3394 | } |
| 3395 | if (avail < 2) |
| 3396 | goto done; |
| 3397 | cur = in->cur[0]; |
| 3398 | next = in->cur[1]; |
| 3399 | if ((cur == '<') && (next == '!') && |
| 3400 | (in->cur[2] == '-') && (in->cur[3] == '-')) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3401 | if ((!terminate) && |
| 3402 | (htmlParseLookupSequence(ctxt, '-', '-', '>') < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3403 | goto done; |
| 3404 | #ifdef DEBUG_PUSH |
| 3405 | fprintf(stderr, "HPP: Parsing Comment\n"); |
| 3406 | #endif |
| 3407 | htmlParseComment(ctxt); |
| 3408 | ctxt->instate = XML_PARSER_CONTENT; |
| 3409 | } else if ((cur == '<') && (next == '!') && (avail < 4)) { |
| 3410 | goto done; |
| 3411 | } else if ((cur == '<') && (next == '/')) { |
| 3412 | ctxt->instate = XML_PARSER_END_TAG; |
| 3413 | ctxt->checkIndex = 0; |
| 3414 | #ifdef DEBUG_PUSH |
| 3415 | fprintf(stderr, "HPP: entering END_TAG\n"); |
| 3416 | #endif |
| 3417 | break; |
| 3418 | } else if (cur == '<') { |
| 3419 | ctxt->instate = XML_PARSER_START_TAG; |
| 3420 | ctxt->checkIndex = 0; |
| 3421 | #ifdef DEBUG_PUSH |
| 3422 | fprintf(stderr, "HPP: entering START_TAG\n"); |
| 3423 | #endif |
| 3424 | break; |
| 3425 | } else if (cur == '&') { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3426 | if ((!terminate) && |
| 3427 | (htmlParseLookupSequence(ctxt, ';', 0, 0) < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3428 | goto done; |
| 3429 | #ifdef DEBUG_PUSH |
| 3430 | fprintf(stderr, "HPP: Parsing Reference\n"); |
| 3431 | #endif |
| 3432 | /* TODO: check generation of subtrees if noent !!! */ |
| 3433 | htmlParseReference(ctxt); |
| 3434 | } else { |
| 3435 | /* TODO Avoid the extra copy, handle directly !!!!!! */ |
| 3436 | /* |
| 3437 | * Goal of the following test is : |
| 3438 | * - minimize calls to the SAX 'character' callback |
| 3439 | * when they are mergeable |
| 3440 | */ |
| 3441 | if ((ctxt->inputNr == 1) && |
| 3442 | (avail < HTML_PARSER_BIG_BUFFER_SIZE)) { |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3443 | if ((!terminate) && |
| 3444 | (htmlParseLookupSequence(ctxt, '<', 0, 0) < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3445 | goto done; |
| 3446 | } |
| 3447 | ctxt->checkIndex = 0; |
| 3448 | #ifdef DEBUG_PUSH |
| 3449 | fprintf(stderr, "HPP: Parsing char data\n"); |
| 3450 | #endif |
| 3451 | htmlParseCharData(ctxt, 0); |
| 3452 | } |
| 3453 | break; |
| 3454 | case XML_PARSER_END_TAG: |
| 3455 | if (avail < 2) |
| 3456 | goto done; |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3457 | if ((!terminate) && |
| 3458 | (htmlParseLookupSequence(ctxt, '>', 0, 0) < 0)) |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3459 | goto done; |
| 3460 | htmlParseEndTag(ctxt); |
| 3461 | if (ctxt->nameNr == 0) { |
| 3462 | ctxt->instate = XML_PARSER_EPILOG; |
| 3463 | } else { |
| 3464 | ctxt->instate = XML_PARSER_CONTENT; |
| 3465 | } |
| 3466 | ctxt->checkIndex = 0; |
| 3467 | #ifdef DEBUG_PUSH |
| 3468 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3469 | #endif |
| 3470 | break; |
| 3471 | case XML_PARSER_CDATA_SECTION: |
| 3472 | fprintf(stderr, "HPP: internal error, state == CDATA\n"); |
| 3473 | ctxt->instate = XML_PARSER_CONTENT; |
| 3474 | ctxt->checkIndex = 0; |
| 3475 | #ifdef DEBUG_PUSH |
| 3476 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3477 | #endif |
| 3478 | break; |
| 3479 | case XML_PARSER_DTD: |
| 3480 | fprintf(stderr, "HPP: internal error, state == DTD\n"); |
| 3481 | ctxt->instate = XML_PARSER_CONTENT; |
| 3482 | ctxt->checkIndex = 0; |
| 3483 | #ifdef DEBUG_PUSH |
| 3484 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3485 | #endif |
| 3486 | break; |
| 3487 | case XML_PARSER_COMMENT: |
| 3488 | fprintf(stderr, "HPP: internal error, state == COMMENT\n"); |
| 3489 | ctxt->instate = XML_PARSER_CONTENT; |
| 3490 | ctxt->checkIndex = 0; |
| 3491 | #ifdef DEBUG_PUSH |
| 3492 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3493 | #endif |
| 3494 | break; |
| 3495 | case XML_PARSER_PI: |
| 3496 | fprintf(stderr, "HPP: internal error, state == PI\n"); |
| 3497 | ctxt->instate = XML_PARSER_CONTENT; |
| 3498 | ctxt->checkIndex = 0; |
| 3499 | #ifdef DEBUG_PUSH |
| 3500 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3501 | #endif |
| 3502 | break; |
| 3503 | case XML_PARSER_ENTITY_DECL: |
| 3504 | fprintf(stderr, "HPP: internal error, state == ENTITY_DECL\n"); |
| 3505 | ctxt->instate = XML_PARSER_CONTENT; |
| 3506 | ctxt->checkIndex = 0; |
| 3507 | #ifdef DEBUG_PUSH |
| 3508 | fprintf(stderr, "HPP: entering CONTENT\n"); |
| 3509 | #endif |
| 3510 | break; |
| 3511 | case XML_PARSER_ENTITY_VALUE: |
| 3512 | fprintf(stderr, "HPP: internal error, state == ENTITY_VALUE\n"); |
| 3513 | ctxt->instate = XML_PARSER_CONTENT; |
| 3514 | ctxt->checkIndex = 0; |
| 3515 | #ifdef DEBUG_PUSH |
| 3516 | fprintf(stderr, "HPP: entering DTD\n"); |
| 3517 | #endif |
| 3518 | break; |
| 3519 | case XML_PARSER_ATTRIBUTE_VALUE: |
| 3520 | fprintf(stderr, "HPP: internal error, state == ATTRIBUTE_VALUE\n"); |
| 3521 | ctxt->instate = XML_PARSER_START_TAG; |
| 3522 | ctxt->checkIndex = 0; |
| 3523 | #ifdef DEBUG_PUSH |
| 3524 | fprintf(stderr, "HPP: entering START_TAG\n"); |
| 3525 | #endif |
| 3526 | break; |
| 3527 | } |
| 3528 | } |
| 3529 | done: |
| 3530 | #ifdef DEBUG_PUSH |
| 3531 | fprintf(stderr, "HPP: done %d\n", ret); |
| 3532 | #endif |
| 3533 | return(ret); |
| 3534 | } |
| 3535 | |
| 3536 | /** |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3537 | * htmlParseTry: |
| 3538 | * @ctxt: an HTML parser context |
| 3539 | * |
| 3540 | * Try to progress on parsing |
| 3541 | * |
| 3542 | * Returns zero if no parsing was possible |
| 3543 | */ |
| 3544 | int |
| 3545 | htmlParseTry(htmlParserCtxtPtr ctxt) { |
| 3546 | return(htmlParseTryOrFinish(ctxt, 0)); |
| 3547 | } |
| 3548 | |
| 3549 | /** |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3550 | * htmlParseChunk: |
| 3551 | * @ctxt: an XML parser context |
| 3552 | * @chunk: an char array |
| 3553 | * @size: the size in byte of the chunk |
| 3554 | * @terminate: last chunk indicator |
| 3555 | * |
| 3556 | * Parse a Chunk of memory |
| 3557 | * |
| 3558 | * Returns zero if no error, the xmlParserErrors otherwise. |
| 3559 | */ |
| 3560 | int |
| 3561 | htmlParseChunk(htmlParserCtxtPtr ctxt, const char *chunk, int size, |
| 3562 | int terminate) { |
| 3563 | if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) && |
| 3564 | (ctxt->input->buf != NULL) && (ctxt->instate != XML_PARSER_EOF)) { |
| 3565 | int base = ctxt->input->base - ctxt->input->buf->buffer->content; |
| 3566 | int cur = ctxt->input->cur - ctxt->input->base; |
| 3567 | |
| 3568 | xmlParserInputBufferPush(ctxt->input->buf, size, chunk); |
| 3569 | ctxt->input->base = ctxt->input->buf->buffer->content + base; |
| 3570 | ctxt->input->cur = ctxt->input->base + cur; |
| 3571 | #ifdef DEBUG_PUSH |
| 3572 | fprintf(stderr, "HPP: pushed %d\n", size); |
| 3573 | #endif |
| 3574 | |
Daniel Veillard | d0f7f74 | 2000-02-02 17:42:48 +0000 | [diff] [blame] | 3575 | if ((terminate) || (ctxt->input->buf->buffer->use > 80)) |
| 3576 | htmlParseTryOrFinish(ctxt, terminate); |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3577 | } else if (ctxt->instate != XML_PARSER_EOF) |
Daniel Veillard | 71b656e | 2000-01-05 14:46:17 +0000 | [diff] [blame] | 3578 | htmlParseTryOrFinish(ctxt, terminate); |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 3579 | if (terminate) { |
| 3580 | if ((ctxt->instate != XML_PARSER_EOF) && |
| 3581 | (ctxt->instate != XML_PARSER_EPILOG) && |
| 3582 | (ctxt->instate != XML_PARSER_MISC)) { |
| 3583 | if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL)) |
| 3584 | ctxt->sax->error(ctxt->userData, |
| 3585 | "Extra content at the end of the document\n"); |
| 3586 | ctxt->wellFormed = 0; |
| 3587 | ctxt->errNo = XML_ERR_DOCUMENT_END; |
| 3588 | } |
| 3589 | if (ctxt->instate != XML_PARSER_EOF) { |
| 3590 | if ((ctxt->sax) && (ctxt->sax->endDocument != NULL)) |
| 3591 | ctxt->sax->endDocument(ctxt->userData); |
| 3592 | } |
| 3593 | ctxt->instate = XML_PARSER_EOF; |
| 3594 | } |
| 3595 | return((xmlParserErrors) ctxt->errNo); |
| 3596 | } |
| 3597 | |
| 3598 | /************************************************************************ |
| 3599 | * * |
| 3600 | * User entry points * |
| 3601 | * * |
| 3602 | ************************************************************************/ |
| 3603 | |
| 3604 | /** |
| 3605 | * htmlCreatePushParserCtxt : |
| 3606 | * @sax: a SAX handler |
| 3607 | * @user_data: The user data returned on SAX callbacks |
| 3608 | * @chunk: a pointer to an array of chars |
| 3609 | * @size: number of chars in the array |
| 3610 | * @filename: an optional file name or URI |
| 3611 | * @enc: an optional encoding |
| 3612 | * |
| 3613 | * Create a parser context for using the HTML parser in push mode |
| 3614 | * To allow content encoding detection, @size should be >= 4 |
| 3615 | * The value of @filename is used for fetching external entities |
| 3616 | * and error/warning reports. |
| 3617 | * |
| 3618 | * Returns the new parser context or NULL |
| 3619 | */ |
| 3620 | htmlParserCtxtPtr |
| 3621 | htmlCreatePushParserCtxt(htmlSAXHandlerPtr sax, void *user_data, |
| 3622 | const char *chunk, int size, const char *filename, |
| 3623 | xmlCharEncoding enc) { |
| 3624 | htmlParserCtxtPtr ctxt; |
| 3625 | htmlParserInputPtr inputStream; |
| 3626 | xmlParserInputBufferPtr buf; |
| 3627 | |
| 3628 | buf = xmlAllocParserInputBuffer(enc); |
| 3629 | if (buf == NULL) return(NULL); |
| 3630 | |
| 3631 | ctxt = (htmlParserCtxtPtr) xmlMalloc(sizeof(htmlParserCtxt)); |
| 3632 | if (ctxt == NULL) { |
| 3633 | xmlFree(buf); |
| 3634 | return(NULL); |
| 3635 | } |
| 3636 | memset(ctxt, 0, sizeof(htmlParserCtxt)); |
| 3637 | htmlInitParserCtxt(ctxt); |
| 3638 | if (sax != NULL) { |
| 3639 | if (ctxt->sax != &htmlDefaultSAXHandler) |
| 3640 | xmlFree(ctxt->sax); |
| 3641 | ctxt->sax = (htmlSAXHandlerPtr) xmlMalloc(sizeof(htmlSAXHandler)); |
| 3642 | if (ctxt->sax == NULL) { |
| 3643 | xmlFree(buf); |
| 3644 | xmlFree(ctxt); |
| 3645 | return(NULL); |
| 3646 | } |
| 3647 | memcpy(ctxt->sax, sax, sizeof(htmlSAXHandler)); |
| 3648 | if (user_data != NULL) |
| 3649 | ctxt->userData = user_data; |
| 3650 | } |
| 3651 | if (filename == NULL) { |
| 3652 | ctxt->directory = NULL; |
| 3653 | } else { |
| 3654 | ctxt->directory = xmlParserGetDirectory(filename); |
| 3655 | } |
| 3656 | |
| 3657 | inputStream = htmlNewInputStream(ctxt); |
| 3658 | if (inputStream == NULL) { |
| 3659 | xmlFreeParserCtxt(ctxt); |
| 3660 | return(NULL); |
| 3661 | } |
| 3662 | |
| 3663 | if (filename == NULL) |
| 3664 | inputStream->filename = NULL; |
| 3665 | else |
| 3666 | inputStream->filename = xmlMemStrdup(filename); |
| 3667 | inputStream->buf = buf; |
| 3668 | inputStream->base = inputStream->buf->buffer->content; |
| 3669 | inputStream->cur = inputStream->buf->buffer->content; |
| 3670 | |
| 3671 | inputPush(ctxt, inputStream); |
| 3672 | |
| 3673 | if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) && |
| 3674 | (ctxt->input->buf != NULL)) { |
| 3675 | xmlParserInputBufferPush(ctxt->input->buf, size, chunk); |
| 3676 | #ifdef DEBUG_PUSH |
| 3677 | fprintf(stderr, "HPP: pushed %d\n", size); |
| 3678 | #endif |
| 3679 | } |
| 3680 | |
| 3681 | return(ctxt); |
| 3682 | } |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3683 | |
| 3684 | /** |
| 3685 | * htmlSAXParseDoc : |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3686 | * @cur: a pointer to an array of xmlChar |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3687 | * @encoding: a free form C string describing the HTML document encoding, or NULL |
| 3688 | * @sax: the SAX handler block |
| 3689 | * @userData: if using SAX, this pointer will be provided on callbacks. |
| 3690 | * |
| 3691 | * parse an HTML in-memory document and build a tree. |
| 3692 | * It use the given SAX function block to handle the parsing callback. |
| 3693 | * If sax is NULL, fallback to the default DOM tree building routines. |
| 3694 | * |
| 3695 | * Returns the resulting document tree |
| 3696 | */ |
| 3697 | |
| 3698 | htmlDocPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3699 | htmlSAXParseDoc(xmlChar *cur, const char *encoding, htmlSAXHandlerPtr sax, void *userData) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3700 | htmlDocPtr ret; |
| 3701 | htmlParserCtxtPtr ctxt; |
| 3702 | |
| 3703 | if (cur == NULL) return(NULL); |
| 3704 | |
| 3705 | |
| 3706 | ctxt = htmlCreateDocParserCtxt(cur, encoding); |
| 3707 | if (ctxt == NULL) return(NULL); |
| 3708 | if (sax != NULL) { |
| 3709 | ctxt->sax = sax; |
| 3710 | ctxt->userData = userData; |
| 3711 | } |
| 3712 | |
| 3713 | htmlParseDocument(ctxt); |
| 3714 | ret = ctxt->myDoc; |
| 3715 | if (sax != NULL) { |
| 3716 | ctxt->sax = NULL; |
| 3717 | ctxt->userData = NULL; |
| 3718 | } |
| 3719 | htmlFreeParserCtxt(ctxt); |
| 3720 | |
| 3721 | return(ret); |
| 3722 | } |
| 3723 | |
| 3724 | /** |
| 3725 | * htmlParseDoc : |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3726 | * @cur: a pointer to an array of xmlChar |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3727 | * @encoding: a free form C string describing the HTML document encoding, or NULL |
| 3728 | * |
| 3729 | * parse an HTML in-memory document and build a tree. |
| 3730 | * |
| 3731 | * Returns the resulting document tree |
| 3732 | */ |
| 3733 | |
| 3734 | htmlDocPtr |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 3735 | htmlParseDoc(xmlChar *cur, const char *encoding) { |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3736 | return(htmlSAXParseDoc(cur, encoding, NULL, NULL)); |
| 3737 | } |
| 3738 | |
| 3739 | |
| 3740 | /** |
| 3741 | * htmlCreateFileParserCtxt : |
| 3742 | * @filename: the filename |
| 3743 | * @encoding: a free form C string describing the HTML document encoding, or NULL |
| 3744 | * |
| 3745 | * Create a parser context for a file content. |
| 3746 | * Automatic support for ZLIB/Compress compressed document is provided |
| 3747 | * by default if found at compile-time. |
| 3748 | * |
| 3749 | * Returns the new parser context or NULL |
| 3750 | */ |
| 3751 | htmlParserCtxtPtr |
| 3752 | htmlCreateFileParserCtxt(const char *filename, const char *encoding) |
| 3753 | { |
| 3754 | htmlParserCtxtPtr ctxt; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3755 | htmlParserInputPtr inputStream; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 3756 | xmlParserInputBufferPtr buf; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3757 | /* htmlCharEncoding enc; */ |
| 3758 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 3759 | buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE); |
| 3760 | if (buf == NULL) return(NULL); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3761 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 3762 | ctxt = (htmlParserCtxtPtr) xmlMalloc(sizeof(htmlParserCtxt)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3763 | if (ctxt == NULL) { |
| 3764 | perror("malloc"); |
| 3765 | return(NULL); |
| 3766 | } |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 3767 | memset(ctxt, 0, sizeof(htmlParserCtxt)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3768 | htmlInitParserCtxt(ctxt); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 3769 | inputStream = (htmlParserInputPtr) xmlMalloc(sizeof(htmlParserInput)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3770 | if (inputStream == NULL) { |
| 3771 | perror("malloc"); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 3772 | xmlFree(ctxt); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3773 | return(NULL); |
| 3774 | } |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 3775 | memset(inputStream, 0, sizeof(htmlParserInput)); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3776 | |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 3777 | inputStream->filename = xmlMemStrdup(filename); |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3778 | inputStream->line = 1; |
| 3779 | inputStream->col = 1; |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 3780 | inputStream->buf = buf; |
Daniel Veillard | 3500838 | 1999-10-25 13:15:52 +0000 | [diff] [blame] | 3781 | inputStream->directory = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3782 | |
Daniel Veillard | e2d034d | 1999-07-27 19:52:06 +0000 | [diff] [blame] | 3783 | inputStream->base = inputStream->buf->buffer->content; |
| 3784 | inputStream->cur = inputStream->buf->buffer->content; |
| 3785 | inputStream->free = NULL; |
Daniel Veillard | be70ff7 | 1999-07-05 16:50:46 +0000 | [diff] [blame] | 3786 | |
| 3787 | inputPush(ctxt, inputStream); |
| 3788 | return(ctxt); |
| 3789 | } |
| 3790 | |
| 3791 | /** |
| 3792 | * htmlSAXParseFile : |
| 3793 | * @filename: the filename |
| 3794 | * @encoding: a free form C string describing the HTML document encoding, or NULL |
| 3795 | * @sax: the SAX handler block |
| 3796 | * @userData: if using SAX, this pointer will be provided on callbacks. |
| 3797 | * |
| 3798 | * parse an HTML file and build a tree. Automatic support for ZLIB/Compress |
| 3799 | * compressed document is provided by default if found at compile-time. |
| 3800 | * It use the given SAX function block to handle the parsing callback. |
| 3801 | * If sax is NULL, fallback to the default DOM tree building routines. |
| 3802 | * |
| 3803 | * Returns the resulting document tree |
| 3804 | */ |
| 3805 | |
| 3806 | htmlDocPtr |
| 3807 | htmlSAXParseFile(const char *filename, const char *encoding, htmlSAXHandlerPtr sax, |
| 3808 | void *userData) { |
| 3809 | htmlDocPtr ret; |
| 3810 | htmlParserCtxtPtr ctxt; |
| 3811 | |
| 3812 | ctxt = htmlCreateFileParserCtxt(filename, encoding); |
| 3813 | if (ctxt == NULL) return(NULL); |
| 3814 | if (sax != NULL) { |
| 3815 | ctxt->sax = sax; |
| 3816 | ctxt->userData = userData; |
| 3817 | } |
| 3818 | |
| 3819 | htmlParseDocument(ctxt); |
| 3820 | |
| 3821 | ret = ctxt->myDoc; |
| 3822 | if (sax != NULL) { |
| 3823 | ctxt->sax = NULL; |
| 3824 | ctxt->userData = NULL; |
| 3825 | } |
| 3826 | htmlFreeParserCtxt(ctxt); |
| 3827 | |
| 3828 | return(ret); |
| 3829 | } |
| 3830 | |
| 3831 | /** |
| 3832 | * htmlParseFile : |
| 3833 | * @filename: the filename |
| 3834 | * @encoding: a free form C string describing the HTML document encoding, or NULL |
| 3835 | * |
| 3836 | * parse an HTML file and build a tree. Automatic support for ZLIB/Compress |
| 3837 | * compressed document is provided by default if found at compile-time. |
| 3838 | * |
| 3839 | * Returns the resulting document tree |
| 3840 | */ |
| 3841 | |
| 3842 | htmlDocPtr |
| 3843 | htmlParseFile(const char *filename, const char *encoding) { |
| 3844 | return(htmlSAXParseFile(filename, encoding, NULL, NULL)); |
| 3845 | } |