Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 1 | /* |
| 2 | * HTMLtree.c : implemetation of access function for an HTML tree. |
| 3 | * |
| 4 | * See Copyright for the status of this software. |
| 5 | * |
| 6 | * Daniel.Veillard@w3.org |
| 7 | */ |
| 8 | |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 9 | |
Daniel Veillard | 3c558c3 | 1999-12-22 11:30:41 +0000 | [diff] [blame] | 10 | #ifdef WIN32 |
| 11 | #include "win32config.h" |
| 12 | #else |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 13 | #include "config.h" |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 14 | #endif |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 15 | |
| 16 | #include "xmlversion.h" |
| 17 | #ifdef LIBXML_HTML_ENABLED |
| 18 | |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 19 | #include <stdio.h> |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 20 | #include <string.h> /* for memset() only ! */ |
| 21 | |
Daniel Veillard | 7f7d111 | 1999-09-22 09:46:25 +0000 | [diff] [blame] | 22 | #ifdef HAVE_CTYPE_H |
| 23 | #include <ctype.h> |
| 24 | #endif |
| 25 | #ifdef HAVE_STDLIB_H |
| 26 | #include <stdlib.h> |
| 27 | #endif |
| 28 | |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 29 | #include <libxml/xmlmemory.h> |
| 30 | #include <libxml/HTMLparser.h> |
| 31 | #include <libxml/HTMLtree.h> |
| 32 | #include <libxml/entities.h> |
| 33 | #include <libxml/valid.h> |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 34 | |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 35 | static void |
| 36 | htmlDocContentDump(xmlBufferPtr buf, xmlDocPtr cur); |
| 37 | |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 38 | /** |
| 39 | * htmlDtdDump: |
| 40 | * @buf: the HTML buffer output |
| 41 | * @doc: the document |
| 42 | * |
| 43 | * Dump the HTML document DTD, if any. |
| 44 | */ |
| 45 | static void |
| 46 | htmlDtdDump(xmlBufferPtr buf, xmlDocPtr doc) { |
| 47 | xmlDtdPtr cur = doc->intSubset; |
| 48 | |
| 49 | if (cur == NULL) { |
| 50 | fprintf(stderr, "htmlDtdDump : no internal subset\n"); |
| 51 | return; |
| 52 | } |
| 53 | xmlBufferWriteChar(buf, "<!DOCTYPE "); |
| 54 | xmlBufferWriteCHAR(buf, cur->name); |
| 55 | if (cur->ExternalID != NULL) { |
| 56 | xmlBufferWriteChar(buf, " PUBLIC "); |
| 57 | xmlBufferWriteQuotedString(buf, cur->ExternalID); |
Daniel Veillard | 1566d3a | 1999-07-15 14:24:29 +0000 | [diff] [blame] | 58 | if (cur->SystemID != NULL) { |
| 59 | xmlBufferWriteChar(buf, " "); |
| 60 | xmlBufferWriteQuotedString(buf, cur->SystemID); |
| 61 | } |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 62 | } else if (cur->SystemID != NULL) { |
| 63 | xmlBufferWriteChar(buf, " SYSTEM "); |
| 64 | xmlBufferWriteQuotedString(buf, cur->SystemID); |
| 65 | } |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 66 | xmlBufferWriteChar(buf, ">\n"); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * htmlAttrDump: |
| 71 | * @buf: the HTML buffer output |
| 72 | * @doc: the document |
| 73 | * @cur: the attribute pointer |
| 74 | * |
| 75 | * Dump an HTML attribute |
| 76 | */ |
| 77 | static void |
| 78 | htmlAttrDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 79 | xmlChar *value; |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 80 | |
| 81 | if (cur == NULL) { |
| 82 | fprintf(stderr, "htmlAttrDump : property == NULL\n"); |
| 83 | return; |
| 84 | } |
| 85 | xmlBufferWriteChar(buf, " "); |
| 86 | xmlBufferWriteCHAR(buf, cur->name); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame^] | 87 | if (cur->children != NULL) { |
| 88 | value = xmlNodeListGetString(doc, cur->children, 0); |
| 89 | if (value) { |
| 90 | xmlBufferWriteChar(buf, "="); |
| 91 | xmlBufferWriteQuotedString(buf, value); |
| 92 | xmlFree(value); |
| 93 | } else { |
| 94 | xmlBufferWriteChar(buf, "=\"\""); |
| 95 | } |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 96 | } |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * htmlAttrListDump: |
| 101 | * @buf: the HTML buffer output |
| 102 | * @doc: the document |
| 103 | * @cur: the first attribute pointer |
| 104 | * |
| 105 | * Dump a list of HTML attributes |
| 106 | */ |
| 107 | static void |
| 108 | htmlAttrListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur) { |
| 109 | if (cur == NULL) { |
| 110 | fprintf(stderr, "htmlAttrListDump : property == NULL\n"); |
| 111 | return; |
| 112 | } |
| 113 | while (cur != NULL) { |
| 114 | htmlAttrDump(buf, doc, cur); |
| 115 | cur = cur->next; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 120 | void |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 121 | htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 122 | /** |
| 123 | * htmlNodeListDump: |
| 124 | * @buf: the HTML buffer output |
| 125 | * @doc: the document |
| 126 | * @cur: the first node |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 127 | * |
| 128 | * Dump an HTML node list, recursive behaviour,children are printed too. |
| 129 | */ |
| 130 | static void |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 131 | htmlNodeListDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur) { |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 132 | if (cur == NULL) { |
| 133 | fprintf(stderr, "htmlNodeListDump : node == NULL\n"); |
| 134 | return; |
| 135 | } |
| 136 | while (cur != NULL) { |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 137 | htmlNodeDump(buf, doc, cur); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 138 | cur = cur->next; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * htmlNodeDump: |
| 144 | * @buf: the HTML buffer output |
| 145 | * @doc: the document |
| 146 | * @cur: the current node |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 147 | * |
| 148 | * Dump an HTML node, recursive behaviour,children are printed too. |
| 149 | */ |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 150 | void |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 151 | htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur) { |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 152 | htmlElemDescPtr info; |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 153 | |
| 154 | if (cur == NULL) { |
| 155 | fprintf(stderr, "htmlNodeDump : node == NULL\n"); |
| 156 | return; |
| 157 | } |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 158 | /* |
| 159 | * Special cases. |
| 160 | */ |
Daniel Veillard | dbfd641 | 1999-12-28 16:35:14 +0000 | [diff] [blame] | 161 | if (cur->type == XML_HTML_DOCUMENT_NODE) { |
| 162 | htmlDocContentDump(buf, (xmlDocPtr) cur); |
| 163 | return; |
| 164 | } |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 165 | if (cur->type == HTML_TEXT_NODE) { |
| 166 | if (cur->content != NULL) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 167 | xmlChar *buffer; |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 168 | |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 169 | /* uses the HTML encoding routine !!!!!!!!!! */ |
Daniel Veillard | d293fd1 | 1999-12-01 09:51:45 +0000 | [diff] [blame] | 170 | #ifndef XML_USE_BUFFER_CONTENT |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 171 | buffer = xmlEncodeEntitiesReentrant(doc, cur->content); |
Daniel Veillard | d293fd1 | 1999-12-01 09:51:45 +0000 | [diff] [blame] | 172 | #else |
| 173 | buffer = xmlEncodeEntitiesReentrant(doc, |
| 174 | xmlBufferContent(cur->content)); |
| 175 | #endif |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 176 | if (buffer != NULL) { |
| 177 | xmlBufferWriteCHAR(buf, buffer); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 178 | xmlFree(buffer); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 179 | } |
| 180 | } |
| 181 | return; |
| 182 | } |
| 183 | if (cur->type == HTML_COMMENT_NODE) { |
| 184 | if (cur->content != NULL) { |
| 185 | xmlBufferWriteChar(buf, "<!--"); |
Daniel Veillard | d293fd1 | 1999-12-01 09:51:45 +0000 | [diff] [blame] | 186 | #ifndef XML_USE_BUFFER_CONTENT |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 187 | xmlBufferWriteCHAR(buf, cur->content); |
Daniel Veillard | d293fd1 | 1999-12-01 09:51:45 +0000 | [diff] [blame] | 188 | #else |
| 189 | xmlBufferWriteCHAR(buf, xmlBufferContent(cur->content)); |
| 190 | #endif |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 191 | xmlBufferWriteChar(buf, "-->"); |
| 192 | } |
| 193 | return; |
| 194 | } |
| 195 | if (cur->type == HTML_ENTITY_REF_NODE) { |
| 196 | xmlBufferWriteChar(buf, "&"); |
| 197 | xmlBufferWriteCHAR(buf, cur->name); |
| 198 | xmlBufferWriteChar(buf, ";"); |
| 199 | return; |
| 200 | } |
| 201 | |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 202 | /* |
| 203 | * Get specific HTmL info for taht node. |
| 204 | */ |
| 205 | info = htmlTagLookup(cur->name); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 206 | |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 207 | xmlBufferWriteChar(buf, "<"); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 208 | xmlBufferWriteCHAR(buf, cur->name); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 209 | if (cur->properties != NULL) |
| 210 | htmlAttrListDump(buf, doc, cur->properties); |
| 211 | |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 212 | if ((info != NULL) && (info->empty)) { |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 213 | xmlBufferWriteChar(buf, ">"); |
| 214 | if (cur->next != NULL) { |
| 215 | if ((cur->next->type != HTML_TEXT_NODE) && |
| 216 | (cur->next->type != HTML_ENTITY_REF_NODE)) |
| 217 | xmlBufferWriteChar(buf, "\n"); |
| 218 | } |
| 219 | return; |
| 220 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 221 | if ((cur->content == NULL) && (cur->children == NULL)) { |
Daniel Veillard | 7c1206f | 1999-10-14 09:10:25 +0000 | [diff] [blame] | 222 | if ((info != NULL) && (info->endTag != 0)) |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 223 | xmlBufferWriteChar(buf, ">"); |
| 224 | else { |
| 225 | xmlBufferWriteChar(buf, "></"); |
| 226 | xmlBufferWriteCHAR(buf, cur->name); |
| 227 | xmlBufferWriteChar(buf, ">"); |
| 228 | } |
| 229 | if (cur->next != NULL) { |
| 230 | if ((cur->next->type != HTML_TEXT_NODE) && |
| 231 | (cur->next->type != HTML_ENTITY_REF_NODE)) |
| 232 | xmlBufferWriteChar(buf, "\n"); |
| 233 | } |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 234 | return; |
| 235 | } |
| 236 | xmlBufferWriteChar(buf, ">"); |
| 237 | if (cur->content != NULL) { |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 238 | xmlChar *buffer; |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 239 | |
Daniel Veillard | d293fd1 | 1999-12-01 09:51:45 +0000 | [diff] [blame] | 240 | #ifndef XML_USE_BUFFER_CONTENT |
| 241 | buffer = xmlEncodeEntitiesReentrant(doc, cur->content); |
| 242 | #else |
| 243 | buffer = xmlEncodeEntitiesReentrant(doc, |
| 244 | xmlBufferContent(cur->content)); |
| 245 | #endif |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 246 | if (buffer != NULL) { |
| 247 | xmlBufferWriteCHAR(buf, buffer); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 248 | xmlFree(buffer); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 249 | } |
| 250 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 251 | if (cur->children != NULL) { |
| 252 | if ((cur->children->type != HTML_TEXT_NODE) && |
| 253 | (cur->children->type != HTML_ENTITY_REF_NODE) && |
| 254 | (cur->children != cur->last)) |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 255 | xmlBufferWriteChar(buf, "\n"); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 256 | htmlNodeListDump(buf, doc, cur->children); |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 257 | if ((cur->last->type != HTML_TEXT_NODE) && |
Chris Lahey | 6dff214 | 1999-12-01 09:51:45 +0000 | [diff] [blame] | 258 | (cur->last->type != HTML_ENTITY_REF_NODE) && |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 259 | (cur->children != cur->last)) |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 260 | xmlBufferWriteChar(buf, "\n"); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 261 | } |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 262 | if (!htmlIsAutoClosed(doc, cur)) { |
| 263 | xmlBufferWriteChar(buf, "</"); |
| 264 | xmlBufferWriteCHAR(buf, cur->name); |
| 265 | xmlBufferWriteChar(buf, ">"); |
| 266 | } |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 267 | if (cur->next != NULL) { |
| 268 | if ((cur->next->type != HTML_TEXT_NODE) && |
| 269 | (cur->next->type != HTML_ENTITY_REF_NODE)) |
| 270 | xmlBufferWriteChar(buf, "\n"); |
| 271 | } |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 272 | } |
| 273 | |
| 274 | /** |
Daniel Veillard | 5feb849 | 2000-02-02 17:15:36 +0000 | [diff] [blame] | 275 | * htmlNodeDumpFile: |
| 276 | * @out: the FILE pointer |
| 277 | * @doc: the document |
| 278 | * @cur: the current node |
| 279 | * |
| 280 | * Dump an HTML node, recursive behaviour,children are printed too. |
| 281 | */ |
| 282 | void |
| 283 | htmlNodeDumpFile(FILE *out, xmlDocPtr doc, xmlNodePtr cur) { |
| 284 | xmlBufferPtr buf; |
| 285 | |
| 286 | buf = xmlBufferCreate(); |
| 287 | if (buf == NULL) return; |
| 288 | htmlNodeDump(buf, doc, cur); |
| 289 | xmlBufferDump(out, buf); |
| 290 | xmlBufferFree(buf); |
| 291 | } |
| 292 | |
| 293 | /** |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 294 | * htmlDocContentDump: |
| 295 | * @buf: the HTML buffer output |
| 296 | * @cur: the document |
| 297 | * |
| 298 | * Dump an HTML document. |
| 299 | */ |
| 300 | static void |
| 301 | htmlDocContentDump(xmlBufferPtr buf, xmlDocPtr cur) { |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 302 | int type; |
| 303 | |
| 304 | /* |
| 305 | * force to output the stuff as HTML, especially for entities |
| 306 | */ |
| 307 | type = cur->type; |
| 308 | cur->type = XML_HTML_DOCUMENT_NODE; |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 309 | if (cur->intSubset != NULL) |
| 310 | htmlDtdDump(buf, cur); |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 311 | else { |
| 312 | /* Default to HTML-4.0 transitionnal @@@@ */ |
| 313 | xmlBufferWriteChar(buf, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/REC-html40/loose.dtd\">"); |
| 314 | |
| 315 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 316 | if (cur->children != NULL) { |
| 317 | htmlNodeListDump(buf, cur, cur->children); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 318 | } |
Daniel Veillard | 82150d8 | 1999-07-07 07:32:15 +0000 | [diff] [blame] | 319 | xmlBufferWriteChar(buf, "\n"); |
Daniel Veillard | 5cb5ab8 | 1999-12-21 15:35:29 +0000 | [diff] [blame] | 320 | cur->type = type; |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | /** |
| 324 | * htmlDocDumpMemory: |
| 325 | * @cur: the document |
| 326 | * @mem: OUT: the memory pointer |
| 327 | * @size: OUT: the memory lenght |
| 328 | * |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 329 | * Dump an HTML document in memory and return the xmlChar * and it's size. |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 330 | * It's up to the caller to free the memory. |
| 331 | */ |
| 332 | void |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 333 | htmlDocDumpMemory(xmlDocPtr cur, xmlChar**mem, int *size) { |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 334 | xmlBufferPtr buf; |
| 335 | |
| 336 | if (cur == NULL) { |
| 337 | #ifdef DEBUG_TREE |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 338 | fprintf(stderr, "htmlxmlDocDumpMemory : document == NULL\n"); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 339 | #endif |
| 340 | *mem = NULL; |
| 341 | *size = 0; |
| 342 | return; |
| 343 | } |
| 344 | buf = xmlBufferCreate(); |
| 345 | if (buf == NULL) { |
| 346 | *mem = NULL; |
| 347 | *size = 0; |
| 348 | return; |
| 349 | } |
| 350 | htmlDocContentDump(buf, cur); |
| 351 | *mem = buf->content; |
| 352 | *size = buf->use; |
| 353 | memset(buf, -1, sizeof(xmlBuffer)); |
Daniel Veillard | 6454aec | 1999-09-02 22:04:43 +0000 | [diff] [blame] | 354 | xmlFree(buf); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | |
| 358 | /** |
| 359 | * htmlDocDump: |
| 360 | * @f: the FILE* |
| 361 | * @cur: the document |
| 362 | * |
| 363 | * Dump an HTML document to an open FILE. |
| 364 | */ |
| 365 | void |
| 366 | htmlDocDump(FILE *f, xmlDocPtr cur) { |
| 367 | xmlBufferPtr buf; |
| 368 | |
| 369 | if (cur == NULL) { |
| 370 | #ifdef DEBUG_TREE |
Daniel Veillard | 5e5c623 | 1999-12-29 12:49:06 +0000 | [diff] [blame] | 371 | fprintf(stderr, "htmlDocDump : document == NULL\n"); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 372 | #endif |
| 373 | return; |
| 374 | } |
| 375 | buf = xmlBufferCreate(); |
| 376 | if (buf == NULL) return; |
| 377 | htmlDocContentDump(buf, cur); |
| 378 | xmlBufferDump(f, buf); |
| 379 | xmlBufferFree(buf); |
| 380 | } |
| 381 | |
| 382 | /** |
| 383 | * htmlSaveFile: |
| 384 | * @filename: the filename |
| 385 | * @cur: the document |
| 386 | * |
| 387 | * Dump an HTML document to a file. |
| 388 | * |
| 389 | * returns: the number of byte written or -1 in case of failure. |
| 390 | */ |
| 391 | int |
| 392 | htmlSaveFile(const char *filename, xmlDocPtr cur) { |
| 393 | xmlBufferPtr buf; |
| 394 | FILE *output = NULL; |
| 395 | int ret; |
| 396 | |
| 397 | /* |
| 398 | * save the content to a temp buffer. |
| 399 | */ |
| 400 | buf = xmlBufferCreate(); |
| 401 | if (buf == NULL) return(0); |
| 402 | htmlDocContentDump(buf, cur); |
| 403 | |
| 404 | output = fopen(filename, "w"); |
| 405 | if (output == NULL) return(-1); |
| 406 | ret = xmlBufferDump(output, buf); |
| 407 | fclose(output); |
| 408 | |
| 409 | xmlBufferFree(buf); |
Daniel Veillard | dd6b367 | 1999-09-23 22:19:22 +0000 | [diff] [blame] | 410 | return(ret * sizeof(xmlChar)); |
Daniel Veillard | 167b509 | 1999-07-07 04:19:20 +0000 | [diff] [blame] | 411 | } |
| 412 | |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 413 | #endif /* LIBXML_HTML_ENABLED */ |