| /* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd |
| See the file COPYING for copying permission. |
| */ |
| |
| #ifndef IS_INVALID_CHAR |
| #define IS_INVALID_CHAR(enc, ptr, n) (0) |
| #endif |
| |
| #define INVALID_LEAD_CASE(n, ptr, nextTokPtr) \ |
| case BT_LEAD ## n: \ |
| if (end - ptr < n) \ |
| return XML_TOK_PARTIAL_CHAR; \ |
| if (IS_INVALID_CHAR(enc, ptr, n)) { \ |
| *(nextTokPtr) = (ptr); \ |
| return XML_TOK_INVALID; \ |
| } \ |
| ptr += n; \ |
| break; |
| |
| #define INVALID_CASES(ptr, nextTokPtr) \ |
| INVALID_LEAD_CASE(2, ptr, nextTokPtr) \ |
| INVALID_LEAD_CASE(3, ptr, nextTokPtr) \ |
| INVALID_LEAD_CASE(4, ptr, nextTokPtr) \ |
| case BT_NONXML: \ |
| case BT_MALFORM: \ |
| case BT_TRAIL: \ |
| *(nextTokPtr) = (ptr); \ |
| return XML_TOK_INVALID; |
| |
| #define CHECK_NAME_CASE(n, enc, ptr, end, nextTokPtr) \ |
| case BT_LEAD ## n: \ |
| if (end - ptr < n) \ |
| return XML_TOK_PARTIAL_CHAR; \ |
| if (!IS_NAME_CHAR(enc, ptr, n)) { \ |
| *nextTokPtr = ptr; \ |
| return XML_TOK_INVALID; \ |
| } \ |
| ptr += n; \ |
| break; |
| |
| #define CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) \ |
| case BT_NONASCII: \ |
| if (!IS_NAME_CHAR_MINBPC(enc, ptr)) { \ |
| *nextTokPtr = ptr; \ |
| return XML_TOK_INVALID; \ |
| } \ |
| case BT_NMSTRT: \ |
| case BT_HEX: \ |
| case BT_DIGIT: \ |
| case BT_NAME: \ |
| case BT_MINUS: \ |
| ptr += MINBPC(enc); \ |
| break; \ |
| CHECK_NAME_CASE(2, enc, ptr, end, nextTokPtr) \ |
| CHECK_NAME_CASE(3, enc, ptr, end, nextTokPtr) \ |
| CHECK_NAME_CASE(4, enc, ptr, end, nextTokPtr) |
| |
| #define CHECK_NMSTRT_CASE(n, enc, ptr, end, nextTokPtr) \ |
| case BT_LEAD ## n: \ |
| if (end - ptr < n) \ |
| return XML_TOK_PARTIAL_CHAR; \ |
| if (!IS_NMSTRT_CHAR(enc, ptr, n)) { \ |
| *nextTokPtr = ptr; \ |
| return XML_TOK_INVALID; \ |
| } \ |
| ptr += n; \ |
| break; |
| |
| #define CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) \ |
| case BT_NONASCII: \ |
| if (!IS_NMSTRT_CHAR_MINBPC(enc, ptr)) { \ |
| *nextTokPtr = ptr; \ |
| return XML_TOK_INVALID; \ |
| } \ |
| case BT_NMSTRT: \ |
| case BT_HEX: \ |
| ptr += MINBPC(enc); \ |
| break; \ |
| CHECK_NMSTRT_CASE(2, enc, ptr, end, nextTokPtr) \ |
| CHECK_NMSTRT_CASE(3, enc, ptr, end, nextTokPtr) \ |
| CHECK_NMSTRT_CASE(4, enc, ptr, end, nextTokPtr) |
| |
| #ifndef PREFIX |
| #define PREFIX(ident) ident |
| #endif |
| |
| /* ptr points to character following "<!-" */ |
| |
| static int PTRCALL |
| PREFIX(scanComment)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| if (ptr != end) { |
| if (!CHAR_MATCHES(enc, ptr, ASCII_MINUS)) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| ptr += MINBPC(enc); |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| INVALID_CASES(ptr, nextTokPtr) |
| case BT_MINUS: |
| if ((ptr += MINBPC(enc)) == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr, ASCII_MINUS)) { |
| if ((ptr += MINBPC(enc)) == end) |
| return XML_TOK_PARTIAL; |
| if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_COMMENT; |
| } |
| break; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| /* ptr points to character following "<!" */ |
| |
| static int PTRCALL |
| PREFIX(scanDecl)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_MINUS: |
| return PREFIX(scanComment)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_LSQB: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_COND_SECT_OPEN; |
| case BT_NMSTRT: |
| case BT_HEX: |
| ptr += MINBPC(enc); |
| break; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_PERCNT: |
| if (ptr + MINBPC(enc) == end) |
| return XML_TOK_PARTIAL; |
| /* don't allow <!ENTITY% foo "whatever"> */ |
| switch (BYTE_TYPE(enc, ptr + MINBPC(enc))) { |
| case BT_S: case BT_CR: case BT_LF: case BT_PERCNT: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| /* fall through */ |
| case BT_S: case BT_CR: case BT_LF: |
| *nextTokPtr = ptr; |
| return XML_TOK_DECL_OPEN; |
| case BT_NMSTRT: |
| case BT_HEX: |
| ptr += MINBPC(enc); |
| break; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| static int PTRCALL |
| PREFIX(checkPiTarget)(const ENCODING *enc, const char *ptr, |
| const char *end, int *tokPtr) |
| { |
| int upper = 0; |
| *tokPtr = XML_TOK_PI; |
| if (end - ptr != MINBPC(enc)*3) |
| return 1; |
| switch (BYTE_TO_ASCII(enc, ptr)) { |
| case ASCII_x: |
| break; |
| case ASCII_X: |
| upper = 1; |
| break; |
| default: |
| return 1; |
| } |
| ptr += MINBPC(enc); |
| switch (BYTE_TO_ASCII(enc, ptr)) { |
| case ASCII_m: |
| break; |
| case ASCII_M: |
| upper = 1; |
| break; |
| default: |
| return 1; |
| } |
| ptr += MINBPC(enc); |
| switch (BYTE_TO_ASCII(enc, ptr)) { |
| case ASCII_l: |
| break; |
| case ASCII_L: |
| upper = 1; |
| break; |
| default: |
| return 1; |
| } |
| if (upper) |
| return 0; |
| *tokPtr = XML_TOK_XML_DECL; |
| return 1; |
| } |
| |
| /* ptr points to character following "<?" */ |
| |
| static int PTRCALL |
| PREFIX(scanPi)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| int tok; |
| const char *target = ptr; |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| case BT_S: case BT_CR: case BT_LF: |
| if (!PREFIX(checkPiTarget)(enc, target, ptr, &tok)) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| ptr += MINBPC(enc); |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| INVALID_CASES(ptr, nextTokPtr) |
| case BT_QUEST: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| *nextTokPtr = ptr + MINBPC(enc); |
| return tok; |
| } |
| break; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| case BT_QUEST: |
| if (!PREFIX(checkPiTarget)(enc, target, ptr, &tok)) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| *nextTokPtr = ptr + MINBPC(enc); |
| return tok; |
| } |
| /* fall through */ |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| static int PTRCALL |
| PREFIX(scanCdataSection)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| static const char CDATA_LSQB[] = { ASCII_C, ASCII_D, ASCII_A, |
| ASCII_T, ASCII_A, ASCII_LSQB }; |
| int i; |
| /* CDATA[ */ |
| if (end - ptr < 6 * MINBPC(enc)) |
| return XML_TOK_PARTIAL; |
| for (i = 0; i < 6; i++, ptr += MINBPC(enc)) { |
| if (!CHAR_MATCHES(enc, ptr, CDATA_LSQB[i])) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_CDATA_SECT_OPEN; |
| } |
| |
| static int PTRCALL |
| PREFIX(cdataSectionTok)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| if (ptr == end) |
| return XML_TOK_NONE; |
| if (MINBPC(enc) > 1) { |
| size_t n = end - ptr; |
| if (n & (MINBPC(enc) - 1)) { |
| n &= ~(MINBPC(enc) - 1); |
| if (n == 0) |
| return XML_TOK_PARTIAL; |
| end = ptr + n; |
| } |
| } |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_RSQB: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| if (!CHAR_MATCHES(enc, ptr, ASCII_RSQB)) |
| break; |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| ptr -= MINBPC(enc); |
| break; |
| } |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_CDATA_SECT_CLOSE; |
| case BT_CR: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| if (BYTE_TYPE(enc, ptr) == BT_LF) |
| ptr += MINBPC(enc); |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_NEWLINE; |
| case BT_LF: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_DATA_NEWLINE; |
| INVALID_CASES(ptr, nextTokPtr) |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: \ |
| if (end - ptr < n || IS_INVALID_CHAR(enc, ptr, n)) { \ |
| *nextTokPtr = ptr; \ |
| return XML_TOK_DATA_CHARS; \ |
| } \ |
| ptr += n; \ |
| break; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_NONXML: |
| case BT_MALFORM: |
| case BT_TRAIL: |
| case BT_CR: |
| case BT_LF: |
| case BT_RSQB: |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| } |
| |
| /* ptr points to character following "</" */ |
| |
| static int PTRCALL |
| PREFIX(scanEndTag)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| case BT_S: case BT_CR: case BT_LF: |
| for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_S: case BT_CR: case BT_LF: |
| break; |
| case BT_GT: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_END_TAG; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| #ifdef XML_NS |
| case BT_COLON: |
| /* no need to check qname syntax here, |
| since end-tag must match exactly */ |
| ptr += MINBPC(enc); |
| break; |
| #endif |
| case BT_GT: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_END_TAG; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| /* ptr points to character following "&#X" */ |
| |
| static int PTRCALL |
| PREFIX(scanHexCharRef)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| if (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_DIGIT: |
| case BT_HEX: |
| break; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_DIGIT: |
| case BT_HEX: |
| break; |
| case BT_SEMI: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_CHAR_REF; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| /* ptr points to character following "&#" */ |
| |
| static int PTRCALL |
| PREFIX(scanCharRef)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| if (ptr != end) { |
| if (CHAR_MATCHES(enc, ptr, ASCII_x)) |
| return PREFIX(scanHexCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_DIGIT: |
| break; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_DIGIT: |
| break; |
| case BT_SEMI: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_CHAR_REF; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| /* ptr points to character following "&" */ |
| |
| static int PTRCALL |
| PREFIX(scanRef)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| case BT_NUM: |
| return PREFIX(scanCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| case BT_SEMI: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_ENTITY_REF; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| /* ptr points to character following first character of attribute name */ |
| |
| static int PTRCALL |
| PREFIX(scanAtts)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| #ifdef XML_NS |
| int hadColon = 0; |
| #endif |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| #ifdef XML_NS |
| case BT_COLON: |
| if (hadColon) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| hadColon = 1; |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| break; |
| #endif |
| case BT_S: case BT_CR: case BT_LF: |
| for (;;) { |
| int t; |
| |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| t = BYTE_TYPE(enc, ptr); |
| if (t == BT_EQUALS) |
| break; |
| switch (t) { |
| case BT_S: |
| case BT_LF: |
| case BT_CR: |
| break; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| /* fall through */ |
| case BT_EQUALS: |
| { |
| int open; |
| #ifdef XML_NS |
| hadColon = 0; |
| #endif |
| for (;;) { |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| open = BYTE_TYPE(enc, ptr); |
| if (open == BT_QUOT || open == BT_APOS) |
| break; |
| switch (open) { |
| case BT_S: |
| case BT_LF: |
| case BT_CR: |
| break; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| ptr += MINBPC(enc); |
| /* in attribute value */ |
| for (;;) { |
| int t; |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| t = BYTE_TYPE(enc, ptr); |
| if (t == open) |
| break; |
| switch (t) { |
| INVALID_CASES(ptr, nextTokPtr) |
| case BT_AMP: |
| { |
| int tok = PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, &ptr); |
| if (tok <= 0) { |
| if (tok == XML_TOK_INVALID) |
| *nextTokPtr = ptr; |
| return tok; |
| } |
| break; |
| } |
| case BT_LT: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_S: |
| case BT_CR: |
| case BT_LF: |
| break; |
| case BT_SOL: |
| goto sol; |
| case BT_GT: |
| goto gt; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| /* ptr points to closing quote */ |
| for (;;) { |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| case BT_S: case BT_CR: case BT_LF: |
| continue; |
| case BT_GT: |
| gt: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_START_TAG_WITH_ATTS; |
| case BT_SOL: |
| sol: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_EMPTY_ELEMENT_WITH_ATTS; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| break; |
| } |
| break; |
| } |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| /* ptr points to character following "<" */ |
| |
| static int PTRCALL |
| PREFIX(scanLt)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| #ifdef XML_NS |
| int hadColon; |
| #endif |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| case BT_EXCL: |
| if ((ptr += MINBPC(enc)) == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_MINUS: |
| return PREFIX(scanComment)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_LSQB: |
| return PREFIX(scanCdataSection)(enc, ptr + MINBPC(enc), |
| end, nextTokPtr); |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| case BT_QUEST: |
| return PREFIX(scanPi)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_SOL: |
| return PREFIX(scanEndTag)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| #ifdef XML_NS |
| hadColon = 0; |
| #endif |
| /* we have a start-tag */ |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| #ifdef XML_NS |
| case BT_COLON: |
| if (hadColon) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| hadColon = 1; |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| break; |
| #endif |
| case BT_S: case BT_CR: case BT_LF: |
| { |
| ptr += MINBPC(enc); |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| case BT_GT: |
| goto gt; |
| case BT_SOL: |
| goto sol; |
| case BT_S: case BT_CR: case BT_LF: |
| ptr += MINBPC(enc); |
| continue; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| return PREFIX(scanAtts)(enc, ptr, end, nextTokPtr); |
| } |
| return XML_TOK_PARTIAL; |
| } |
| case BT_GT: |
| gt: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_START_TAG_NO_ATTS; |
| case BT_SOL: |
| sol: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_EMPTY_ELEMENT_NO_ATTS; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| static int PTRCALL |
| PREFIX(contentTok)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| if (ptr == end) |
| return XML_TOK_NONE; |
| if (MINBPC(enc) > 1) { |
| size_t n = end - ptr; |
| if (n & (MINBPC(enc) - 1)) { |
| n &= ~(MINBPC(enc) - 1); |
| if (n == 0) |
| return XML_TOK_PARTIAL; |
| end = ptr + n; |
| } |
| } |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_LT: |
| return PREFIX(scanLt)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_AMP: |
| return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_CR: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_TRAILING_CR; |
| if (BYTE_TYPE(enc, ptr) == BT_LF) |
| ptr += MINBPC(enc); |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_NEWLINE; |
| case BT_LF: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_DATA_NEWLINE; |
| case BT_RSQB: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_TRAILING_RSQB; |
| if (!CHAR_MATCHES(enc, ptr, ASCII_RSQB)) |
| break; |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_TRAILING_RSQB; |
| if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| ptr -= MINBPC(enc); |
| break; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| INVALID_CASES(ptr, nextTokPtr) |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: \ |
| if (end - ptr < n || IS_INVALID_CHAR(enc, ptr, n)) { \ |
| *nextTokPtr = ptr; \ |
| return XML_TOK_DATA_CHARS; \ |
| } \ |
| ptr += n; \ |
| break; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_RSQB: |
| if (ptr + MINBPC(enc) != end) { |
| if (!CHAR_MATCHES(enc, ptr + MINBPC(enc), ASCII_RSQB)) { |
| ptr += MINBPC(enc); |
| break; |
| } |
| if (ptr + 2*MINBPC(enc) != end) { |
| if (!CHAR_MATCHES(enc, ptr + 2*MINBPC(enc), ASCII_GT)) { |
| ptr += MINBPC(enc); |
| break; |
| } |
| *nextTokPtr = ptr + 2*MINBPC(enc); |
| return XML_TOK_INVALID; |
| } |
| } |
| /* fall through */ |
| case BT_AMP: |
| case BT_LT: |
| case BT_NONXML: |
| case BT_MALFORM: |
| case BT_TRAIL: |
| case BT_CR: |
| case BT_LF: |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| } |
| |
| /* ptr points to character following "%" */ |
| |
| static int PTRCALL |
| PREFIX(scanPercent)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| if (ptr == end) |
| return -XML_TOK_PERCENT; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| case BT_S: case BT_LF: case BT_CR: case BT_PERCNT: |
| *nextTokPtr = ptr; |
| return XML_TOK_PERCENT; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| case BT_SEMI: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_PARAM_ENTITY_REF; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| static int PTRCALL |
| PREFIX(scanPoundName)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| case BT_CR: case BT_LF: case BT_S: |
| case BT_RPAR: case BT_GT: case BT_PERCNT: case BT_VERBAR: |
| *nextTokPtr = ptr; |
| return XML_TOK_POUND_NAME; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return -XML_TOK_POUND_NAME; |
| } |
| |
| static int PTRCALL |
| PREFIX(scanLit)(int open, const ENCODING *enc, |
| const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| while (ptr != end) { |
| int t = BYTE_TYPE(enc, ptr); |
| switch (t) { |
| INVALID_CASES(ptr, nextTokPtr) |
| case BT_QUOT: |
| case BT_APOS: |
| ptr += MINBPC(enc); |
| if (t != open) |
| break; |
| if (ptr == end) |
| return -XML_TOK_LITERAL; |
| *nextTokPtr = ptr; |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_S: case BT_CR: case BT_LF: |
| case BT_GT: case BT_PERCNT: case BT_LSQB: |
| return XML_TOK_LITERAL; |
| default: |
| return XML_TOK_INVALID; |
| } |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| static int PTRCALL |
| PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **nextTokPtr) |
| { |
| int tok; |
| if (ptr == end) |
| return XML_TOK_NONE; |
| if (MINBPC(enc) > 1) { |
| size_t n = end - ptr; |
| if (n & (MINBPC(enc) - 1)) { |
| n &= ~(MINBPC(enc) - 1); |
| if (n == 0) |
| return XML_TOK_PARTIAL; |
| end = ptr + n; |
| } |
| } |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_QUOT: |
| return PREFIX(scanLit)(BT_QUOT, enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_APOS: |
| return PREFIX(scanLit)(BT_APOS, enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_LT: |
| { |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_EXCL: |
| return PREFIX(scanDecl)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_QUEST: |
| return PREFIX(scanPi)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_NMSTRT: |
| case BT_HEX: |
| case BT_NONASCII: |
| case BT_LEAD2: |
| case BT_LEAD3: |
| case BT_LEAD4: |
| *nextTokPtr = ptr - MINBPC(enc); |
| return XML_TOK_INSTANCE_START; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| case BT_CR: |
| if (ptr + MINBPC(enc) == end) { |
| *nextTokPtr = end; |
| /* indicate that this might be part of a CR/LF pair */ |
| return -XML_TOK_PROLOG_S; |
| } |
| /* fall through */ |
| case BT_S: case BT_LF: |
| for (;;) { |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| break; |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_S: case BT_LF: |
| break; |
| case BT_CR: |
| /* don't split CR/LF pair */ |
| if (ptr + MINBPC(enc) != end) |
| break; |
| /* fall through */ |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_PROLOG_S; |
| } |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_PROLOG_S; |
| case BT_PERCNT: |
| return PREFIX(scanPercent)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| case BT_COMMA: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_COMMA; |
| case BT_LSQB: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_OPEN_BRACKET; |
| case BT_RSQB: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return -XML_TOK_CLOSE_BRACKET; |
| if (CHAR_MATCHES(enc, ptr, ASCII_RSQB)) { |
| if (ptr + MINBPC(enc) == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr + MINBPC(enc), ASCII_GT)) { |
| *nextTokPtr = ptr + 2*MINBPC(enc); |
| return XML_TOK_COND_SECT_CLOSE; |
| } |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_CLOSE_BRACKET; |
| case BT_LPAR: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_OPEN_PAREN; |
| case BT_RPAR: |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return -XML_TOK_CLOSE_PAREN; |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_AST: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_CLOSE_PAREN_ASTERISK; |
| case BT_QUEST: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_CLOSE_PAREN_QUESTION; |
| case BT_PLUS: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_CLOSE_PAREN_PLUS; |
| case BT_CR: case BT_LF: case BT_S: |
| case BT_GT: case BT_COMMA: case BT_VERBAR: |
| case BT_RPAR: |
| *nextTokPtr = ptr; |
| return XML_TOK_CLOSE_PAREN; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| case BT_VERBAR: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_OR; |
| case BT_GT: |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_DECL_CLOSE; |
| case BT_NUM: |
| return PREFIX(scanPoundName)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: \ |
| if (end - ptr < n) \ |
| return XML_TOK_PARTIAL_CHAR; \ |
| if (IS_NMSTRT_CHAR(enc, ptr, n)) { \ |
| ptr += n; \ |
| tok = XML_TOK_NAME; \ |
| break; \ |
| } \ |
| if (IS_NAME_CHAR(enc, ptr, n)) { \ |
| ptr += n; \ |
| tok = XML_TOK_NMTOKEN; \ |
| break; \ |
| } \ |
| *nextTokPtr = ptr; \ |
| return XML_TOK_INVALID; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_NMSTRT: |
| case BT_HEX: |
| tok = XML_TOK_NAME; |
| ptr += MINBPC(enc); |
| break; |
| case BT_DIGIT: |
| case BT_NAME: |
| case BT_MINUS: |
| #ifdef XML_NS |
| case BT_COLON: |
| #endif |
| tok = XML_TOK_NMTOKEN; |
| ptr += MINBPC(enc); |
| break; |
| case BT_NONASCII: |
| if (IS_NMSTRT_CHAR_MINBPC(enc, ptr)) { |
| ptr += MINBPC(enc); |
| tok = XML_TOK_NAME; |
| break; |
| } |
| if (IS_NAME_CHAR_MINBPC(enc, ptr)) { |
| ptr += MINBPC(enc); |
| tok = XML_TOK_NMTOKEN; |
| break; |
| } |
| /* fall through */ |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| case BT_GT: case BT_RPAR: case BT_COMMA: |
| case BT_VERBAR: case BT_LSQB: case BT_PERCNT: |
| case BT_S: case BT_CR: case BT_LF: |
| *nextTokPtr = ptr; |
| return tok; |
| #ifdef XML_NS |
| case BT_COLON: |
| ptr += MINBPC(enc); |
| switch (tok) { |
| case XML_TOK_NAME: |
| if (ptr == end) |
| return XML_TOK_PARTIAL; |
| tok = XML_TOK_PREFIXED_NAME; |
| switch (BYTE_TYPE(enc, ptr)) { |
| CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| default: |
| tok = XML_TOK_NMTOKEN; |
| break; |
| } |
| break; |
| case XML_TOK_PREFIXED_NAME: |
| tok = XML_TOK_NMTOKEN; |
| break; |
| } |
| break; |
| #endif |
| case BT_PLUS: |
| if (tok == XML_TOK_NMTOKEN) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_NAME_PLUS; |
| case BT_AST: |
| if (tok == XML_TOK_NMTOKEN) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_NAME_ASTERISK; |
| case BT_QUEST: |
| if (tok == XML_TOK_NMTOKEN) { |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_NAME_QUESTION; |
| default: |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| } |
| } |
| return -tok; |
| } |
| |
| static int PTRCALL |
| PREFIX(attributeValueTok)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| const char *start; |
| if (ptr == end) |
| return XML_TOK_NONE; |
| start = ptr; |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: ptr += n; break; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_AMP: |
| if (ptr == start) |
| return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| case BT_LT: |
| /* this is for inside entity references */ |
| *nextTokPtr = ptr; |
| return XML_TOK_INVALID; |
| case BT_LF: |
| if (ptr == start) { |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_DATA_NEWLINE; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| case BT_CR: |
| if (ptr == start) { |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_TRAILING_CR; |
| if (BYTE_TYPE(enc, ptr) == BT_LF) |
| ptr += MINBPC(enc); |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_NEWLINE; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| case BT_S: |
| if (ptr == start) { |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_ATTRIBUTE_VALUE_S; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| } |
| |
| static int PTRCALL |
| PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| const char *start; |
| if (ptr == end) |
| return XML_TOK_NONE; |
| start = ptr; |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: ptr += n; break; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_AMP: |
| if (ptr == start) |
| return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| case BT_PERCNT: |
| if (ptr == start) { |
| int tok = PREFIX(scanPercent)(enc, ptr + MINBPC(enc), |
| end, nextTokPtr); |
| return (tok == XML_TOK_PERCENT) ? XML_TOK_INVALID : tok; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| case BT_LF: |
| if (ptr == start) { |
| *nextTokPtr = ptr + MINBPC(enc); |
| return XML_TOK_DATA_NEWLINE; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| case BT_CR: |
| if (ptr == start) { |
| ptr += MINBPC(enc); |
| if (ptr == end) |
| return XML_TOK_TRAILING_CR; |
| if (BYTE_TYPE(enc, ptr) == BT_LF) |
| ptr += MINBPC(enc); |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_NEWLINE; |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| *nextTokPtr = ptr; |
| return XML_TOK_DATA_CHARS; |
| } |
| |
| #ifdef XML_DTD |
| |
| static int PTRCALL |
| PREFIX(ignoreSectionTok)(const ENCODING *enc, const char *ptr, |
| const char *end, const char **nextTokPtr) |
| { |
| int level = 0; |
| if (MINBPC(enc) > 1) { |
| size_t n = end - ptr; |
| if (n & (MINBPC(enc) - 1)) { |
| n &= ~(MINBPC(enc) - 1); |
| end = ptr + n; |
| } |
| } |
| while (ptr != end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| INVALID_CASES(ptr, nextTokPtr) |
| case BT_LT: |
| if ((ptr += MINBPC(enc)) == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr, ASCII_EXCL)) { |
| if ((ptr += MINBPC(enc)) == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr, ASCII_LSQB)) { |
| ++level; |
| ptr += MINBPC(enc); |
| } |
| } |
| break; |
| case BT_RSQB: |
| if ((ptr += MINBPC(enc)) == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr, ASCII_RSQB)) { |
| if ((ptr += MINBPC(enc)) == end) |
| return XML_TOK_PARTIAL; |
| if (CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| ptr += MINBPC(enc); |
| if (level == 0) { |
| *nextTokPtr = ptr; |
| return XML_TOK_IGNORE_SECT; |
| } |
| --level; |
| } |
| } |
| break; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| } |
| return XML_TOK_PARTIAL; |
| } |
| |
| #endif /* XML_DTD */ |
| |
| static int PTRCALL |
| PREFIX(isPublicId)(const ENCODING *enc, const char *ptr, const char *end, |
| const char **badPtr) |
| { |
| ptr += MINBPC(enc); |
| end -= MINBPC(enc); |
| for (; ptr != end; ptr += MINBPC(enc)) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_DIGIT: |
| case BT_HEX: |
| case BT_MINUS: |
| case BT_APOS: |
| case BT_LPAR: |
| case BT_RPAR: |
| case BT_PLUS: |
| case BT_COMMA: |
| case BT_SOL: |
| case BT_EQUALS: |
| case BT_QUEST: |
| case BT_CR: |
| case BT_LF: |
| case BT_SEMI: |
| case BT_EXCL: |
| case BT_AST: |
| case BT_PERCNT: |
| case BT_NUM: |
| #ifdef XML_NS |
| case BT_COLON: |
| #endif |
| break; |
| case BT_S: |
| if (CHAR_MATCHES(enc, ptr, ASCII_TAB)) { |
| *badPtr = ptr; |
| return 0; |
| } |
| break; |
| case BT_NAME: |
| case BT_NMSTRT: |
| if (!(BYTE_TO_ASCII(enc, ptr) & ~0x7f)) |
| break; |
| default: |
| switch (BYTE_TO_ASCII(enc, ptr)) { |
| case 0x24: /* $ */ |
| case 0x40: /* @ */ |
| break; |
| default: |
| *badPtr = ptr; |
| return 0; |
| } |
| break; |
| } |
| } |
| return 1; |
| } |
| |
| /* This must only be called for a well-formed start-tag or empty |
| element tag. Returns the number of attributes. Pointers to the |
| first attsMax attributes are stored in atts. |
| */ |
| |
| static int PTRCALL |
| PREFIX(getAtts)(const ENCODING *enc, const char *ptr, |
| int attsMax, ATTRIBUTE *atts) |
| { |
| enum { other, inName, inValue } state = inName; |
| int nAtts = 0; |
| int open = 0; /* defined when state == inValue; |
| initialization just to shut up compilers */ |
| |
| for (ptr += MINBPC(enc);; ptr += MINBPC(enc)) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| #define START_NAME \ |
| if (state == other) { \ |
| if (nAtts < attsMax) { \ |
| atts[nAtts].name = ptr; \ |
| atts[nAtts].normalized = 1; \ |
| } \ |
| state = inName; \ |
| } |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: START_NAME ptr += (n - MINBPC(enc)); break; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_NONASCII: |
| case BT_NMSTRT: |
| case BT_HEX: |
| START_NAME |
| break; |
| #undef START_NAME |
| case BT_QUOT: |
| if (state != inValue) { |
| if (nAtts < attsMax) |
| atts[nAtts].valuePtr = ptr + MINBPC(enc); |
| state = inValue; |
| open = BT_QUOT; |
| } |
| else if (open == BT_QUOT) { |
| state = other; |
| if (nAtts < attsMax) |
| atts[nAtts].valueEnd = ptr; |
| nAtts++; |
| } |
| break; |
| case BT_APOS: |
| if (state != inValue) { |
| if (nAtts < attsMax) |
| atts[nAtts].valuePtr = ptr + MINBPC(enc); |
| state = inValue; |
| open = BT_APOS; |
| } |
| else if (open == BT_APOS) { |
| state = other; |
| if (nAtts < attsMax) |
| atts[nAtts].valueEnd = ptr; |
| nAtts++; |
| } |
| break; |
| case BT_AMP: |
| if (nAtts < attsMax) |
| atts[nAtts].normalized = 0; |
| break; |
| case BT_S: |
| if (state == inName) |
| state = other; |
| else if (state == inValue |
| && nAtts < attsMax |
| && atts[nAtts].normalized |
| && (ptr == atts[nAtts].valuePtr |
| || BYTE_TO_ASCII(enc, ptr) != ASCII_SPACE |
| || BYTE_TO_ASCII(enc, ptr + MINBPC(enc)) == ASCII_SPACE |
| || BYTE_TYPE(enc, ptr + MINBPC(enc)) == open)) |
| atts[nAtts].normalized = 0; |
| break; |
| case BT_CR: case BT_LF: |
| /* This case ensures that the first attribute name is counted |
| Apart from that we could just change state on the quote. */ |
| if (state == inName) |
| state = other; |
| else if (state == inValue && nAtts < attsMax) |
| atts[nAtts].normalized = 0; |
| break; |
| case BT_GT: |
| case BT_SOL: |
| if (state != inValue) |
| return nAtts; |
| break; |
| default: |
| break; |
| } |
| } |
| /* not reached */ |
| } |
| |
| static int PTRFASTCALL |
| PREFIX(charRefNumber)(const ENCODING *enc, const char *ptr) |
| { |
| int result = 0; |
| /* skip &# */ |
| ptr += 2*MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_x)) { |
| for (ptr += MINBPC(enc); |
| !CHAR_MATCHES(enc, ptr, ASCII_SEMI); |
| ptr += MINBPC(enc)) { |
| int c = BYTE_TO_ASCII(enc, ptr); |
| switch (c) { |
| case ASCII_0: case ASCII_1: case ASCII_2: case ASCII_3: case ASCII_4: |
| case ASCII_5: case ASCII_6: case ASCII_7: case ASCII_8: case ASCII_9: |
| result <<= 4; |
| result |= (c - ASCII_0); |
| break; |
| case ASCII_A: case ASCII_B: case ASCII_C: |
| case ASCII_D: case ASCII_E: case ASCII_F: |
| result <<= 4; |
| result += 10 + (c - ASCII_A); |
| break; |
| case ASCII_a: case ASCII_b: case ASCII_c: |
| case ASCII_d: case ASCII_e: case ASCII_f: |
| result <<= 4; |
| result += 10 + (c - ASCII_a); |
| break; |
| } |
| if (result >= 0x110000) |
| return -1; |
| } |
| } |
| else { |
| for (; !CHAR_MATCHES(enc, ptr, ASCII_SEMI); ptr += MINBPC(enc)) { |
| int c = BYTE_TO_ASCII(enc, ptr); |
| result *= 10; |
| result += (c - ASCII_0); |
| if (result >= 0x110000) |
| return -1; |
| } |
| } |
| return checkCharRefNumber(result); |
| } |
| |
| static int PTRCALL |
| PREFIX(predefinedEntityName)(const ENCODING *enc, const char *ptr, |
| const char *end) |
| { |
| switch ((end - ptr)/MINBPC(enc)) { |
| case 2: |
| if (CHAR_MATCHES(enc, ptr + MINBPC(enc), ASCII_t)) { |
| switch (BYTE_TO_ASCII(enc, ptr)) { |
| case ASCII_l: |
| return ASCII_LT; |
| case ASCII_g: |
| return ASCII_GT; |
| } |
| } |
| break; |
| case 3: |
| if (CHAR_MATCHES(enc, ptr, ASCII_a)) { |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_m)) { |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_p)) |
| return ASCII_AMP; |
| } |
| } |
| break; |
| case 4: |
| switch (BYTE_TO_ASCII(enc, ptr)) { |
| case ASCII_q: |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_u)) { |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_o)) { |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_t)) |
| return ASCII_QUOT; |
| } |
| } |
| break; |
| case ASCII_a: |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_p)) { |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_o)) { |
| ptr += MINBPC(enc); |
| if (CHAR_MATCHES(enc, ptr, ASCII_s)) |
| return ASCII_APOS; |
| } |
| } |
| break; |
| } |
| } |
| return 0; |
| } |
| |
| static int PTRCALL |
| PREFIX(sameName)(const ENCODING *enc, const char *ptr1, const char *ptr2) |
| { |
| for (;;) { |
| switch (BYTE_TYPE(enc, ptr1)) { |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: \ |
| if (*ptr1++ != *ptr2++) \ |
| return 0; |
| LEAD_CASE(4) LEAD_CASE(3) LEAD_CASE(2) |
| #undef LEAD_CASE |
| /* fall through */ |
| if (*ptr1++ != *ptr2++) |
| return 0; |
| break; |
| case BT_NONASCII: |
| case BT_NMSTRT: |
| #ifdef XML_NS |
| case BT_COLON: |
| #endif |
| case BT_HEX: |
| case BT_DIGIT: |
| case BT_NAME: |
| case BT_MINUS: |
| if (*ptr2++ != *ptr1++) |
| return 0; |
| if (MINBPC(enc) > 1) { |
| if (*ptr2++ != *ptr1++) |
| return 0; |
| if (MINBPC(enc) > 2) { |
| if (*ptr2++ != *ptr1++) |
| return 0; |
| if (MINBPC(enc) > 3) { |
| if (*ptr2++ != *ptr1++) |
| return 0; |
| } |
| } |
| } |
| break; |
| default: |
| if (MINBPC(enc) == 1 && *ptr1 == *ptr2) |
| return 1; |
| switch (BYTE_TYPE(enc, ptr2)) { |
| case BT_LEAD2: |
| case BT_LEAD3: |
| case BT_LEAD4: |
| case BT_NONASCII: |
| case BT_NMSTRT: |
| #ifdef XML_NS |
| case BT_COLON: |
| #endif |
| case BT_HEX: |
| case BT_DIGIT: |
| case BT_NAME: |
| case BT_MINUS: |
| return 0; |
| default: |
| return 1; |
| } |
| } |
| } |
| /* not reached */ |
| } |
| |
| static int PTRCALL |
| PREFIX(nameMatchesAscii)(const ENCODING *enc, const char *ptr1, |
| const char *end1, const char *ptr2) |
| { |
| for (; *ptr2; ptr1 += MINBPC(enc), ptr2++) { |
| if (ptr1 == end1) |
| return 0; |
| if (!CHAR_MATCHES(enc, ptr1, *ptr2)) |
| return 0; |
| } |
| return ptr1 == end1; |
| } |
| |
| static int PTRFASTCALL |
| PREFIX(nameLength)(const ENCODING *enc, const char *ptr) |
| { |
| const char *start = ptr; |
| for (;;) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: ptr += n; break; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_NONASCII: |
| case BT_NMSTRT: |
| #ifdef XML_NS |
| case BT_COLON: |
| #endif |
| case BT_HEX: |
| case BT_DIGIT: |
| case BT_NAME: |
| case BT_MINUS: |
| ptr += MINBPC(enc); |
| break; |
| default: |
| return (int)(ptr - start); |
| } |
| } |
| } |
| |
| static const char * PTRFASTCALL |
| PREFIX(skipS)(const ENCODING *enc, const char *ptr) |
| { |
| for (;;) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| case BT_LF: |
| case BT_CR: |
| case BT_S: |
| ptr += MINBPC(enc); |
| break; |
| default: |
| return ptr; |
| } |
| } |
| } |
| |
| static void PTRCALL |
| PREFIX(updatePosition)(const ENCODING *enc, |
| const char *ptr, |
| const char *end, |
| POSITION *pos) |
| { |
| while (ptr < end) { |
| switch (BYTE_TYPE(enc, ptr)) { |
| #define LEAD_CASE(n) \ |
| case BT_LEAD ## n: \ |
| ptr += n; \ |
| break; |
| LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| #undef LEAD_CASE |
| case BT_LF: |
| pos->columnNumber = (XML_Size)-1; |
| pos->lineNumber++; |
| ptr += MINBPC(enc); |
| break; |
| case BT_CR: |
| pos->lineNumber++; |
| ptr += MINBPC(enc); |
| if (ptr != end && BYTE_TYPE(enc, ptr) == BT_LF) |
| ptr += MINBPC(enc); |
| pos->columnNumber = (XML_Size)-1; |
| break; |
| default: |
| ptr += MINBPC(enc); |
| break; |
| } |
| pos->columnNumber++; |
| } |
| } |
| |
| #undef DO_LEAD_CASE |
| #undef MULTIBYTE_CASES |
| #undef INVALID_CASES |
| #undef CHECK_NAME_CASE |
| #undef CHECK_NAME_CASES |
| #undef CHECK_NMSTRT_CASE |
| #undef CHECK_NMSTRT_CASES |
| |