xmltok_impl.c
上传用户:dangjiwu
上传日期:2013-07-19
资源大小:42019k
文件大小:43k
- /*
- Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
- See the file copying.txt 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_ERR_INVALID_CHAR_IN_DOC;
- }
- 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_ERR_INVALID_CHAR_IN_DOC;
- #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_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- 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 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_ERR_INVALID_COMMENT;
- }
- 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_ERR_TWO_DASHES_NOT_ALLOWED_IN_COMMENT;
- }
- *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 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_ERR_INVALID_DECL;
- }
- 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_ERR_INVALID_DECL;
- }
- /* 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_ERR_INVALID_DECL;
- }
- }
- return XML_TOK_PARTIAL;
- }
- static
- int 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 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_ERR_INVALID_PI;
- }
- 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_ERR_INVALID_PI_TARGET;
- }
- 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_ERR_INVALID_PI_TARGET;
- }
- 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_ERR_INVALID_PI;
- }
- }
- return XML_TOK_PARTIAL;
- }
- static
- int 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_ERR_INVALID_CDATA;
- }
- }
- *nextTokPtr = ptr;
- return XML_TOK_CDATA_SECT_OPEN;
- }
- static
- int 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 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_ERR_INVALID_NAME;
- }
- 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_ERR_NO_CLOSING_GT;
- }
- }
- 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_ERR_NO_CLOSING_GT;
- }
- }
- return XML_TOK_PARTIAL;
- }
- /* ptr points to character following "&#X" */
- static
- int 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_ERR_INVALID_HEX_CHAR_REF;
- }
- 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_ERR_INVALID_HEX_CHAR_REF;
- }
- }
- }
- return XML_TOK_PARTIAL;
- }
- /* ptr points to character following "&#" */
- static
- int 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_ERR_INVALID_CHAR_REF;
- }
- 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_ERR_INVALID_CHAR_REF;
- }
- }
- }
- return XML_TOK_PARTIAL;
- }
- /* ptr points to character following "&" */
- static
- int 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_ERR_INVALID_CHAR_REF;
- }
- 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_ERR_INVALID_CHAR_REF;
- }
- }
- return XML_TOK_PARTIAL;
- }
- /* ptr points to character following first character of attribute name */
- static
- int 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_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- 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_ERR_MISSING_EQUALS;
- }
- }
- /* 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_ERR_MISSING_QUOT_APOS;
- }
- }
- 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_ERR_INVALID_HEX_CHAR_REF ||
- tok == XML_TOK_ERR_INVALID_CHAR_REF ||
- tok == XML_TOK_ERR_INVALID_REF)
- *nextTokPtr = ptr;
- return tok;
- }
- break;
- }
- case BT_LT:
- *nextTokPtr = ptr;
- return XML_TOK_ERR_LT_NOT_ALLOWED;
- 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_ERR_MISSING_REQ_SPACE;
- }
- /* 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_ERR_EXPECTED_GT;
- }
- *nextTokPtr = ptr + MINBPC(enc);
- return XML_TOK_EMPTY_ELEMENT_WITH_ATTS;
- default:
- *nextTokPtr = ptr;
- return XML_TOK_ERR_INVALID_NAME;
- }
- break;
- }
- break;
- }
- default:
- *nextTokPtr = ptr;
- /* As soon as we hit a space we would go to the space
- state... so therefore this erro should be because we
- have ran into an invalid name token */
- return XML_TOK_ERR_INVALID_NAME;
- }
- }
- return XML_TOK_PARTIAL;
- }
- /* ptr points to character following "<" */
- static
- int 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_ERR_INVALID_NAME;
- 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_ERR_INVALID_NAME;
- }
- #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_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- 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_ERR_EXPECTED_GT;
- }
- *nextTokPtr = ptr + MINBPC(enc);
- return XML_TOK_EMPTY_ELEMENT_NO_ATTS;
- default:
- *nextTokPtr = ptr;
- return XML_TOK_ERR_INVALID_NAME;
- }
- }
- return XML_TOK_PARTIAL;
- }
- static
- int 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_ERR_INVALID_GT_AFFT_2_RSQB_IN_CONTENT;
- 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_ERR_INVALID_GT_AFFT_2_RSQB_IN_CONTENT;
- }
- }
- /* 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 PREFIX(scanPercent)(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_S: case BT_LF: case BT_CR: case BT_PERCNT:
- *nextTokPtr = ptr;
- return XML_TOK_PERCENT;
- default:
- *nextTokPtr = ptr;
- return XML_TOK_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- }
- return XML_TOK_PARTIAL;
- }
- static
- int 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_ERR_INVALID_NAME;
- }
- 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_ERR_INVALID_NAME;
- }
- }
- return -XML_TOK_POUND_NAME;
- }
- static
- int 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_ERR_INVALID_CHAR_IN_DOC;
- }
- default:
- ptr += MINBPC(enc);
- break;
- }
- }
- return XML_TOK_PARTIAL;
- }
- static
- int 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_ERR_INVALID_CHAR_IN_DOC;
- }
- case BT_CR:
- if (ptr + MINBPC(enc) == end)
- 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_ERR_INVALID_CHAR_IN_DOC;
- 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_ERR_INVALID_CHAR_IN_DOC;
- 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_ERR_INVALID_CHAR_IN_DOC;
- }
- 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_ERR_INVALID_CHAR_IN_DOC;
- }
- *nextTokPtr = ptr + MINBPC(enc);
- return XML_TOK_NAME_PLUS;
- case BT_AST:
- if (tok == XML_TOK_NMTOKEN) {
- *nextTokPtr = ptr;
- return XML_TOK_ERR_INVALID_CHAR_IN_DOC;
- }
- *nextTokPtr = ptr + MINBPC(enc);
- return XML_TOK_NAME_ASTERISK;
- case BT_QUEST:
- if (tok == XML_TOK_NMTOKEN) {
- *nextTokPtr = ptr;
- return XML_TOK_ERR_INVALID_CHAR_IN_DOC;
- }
- *nextTokPtr = ptr + MINBPC(enc);
- return XML_TOK_NAME_QUESTION;
- default:
- *nextTokPtr = ptr;
- return XML_TOK_ERR_INVALID_CHAR_IN_DOC;
- }
- }
- return -tok;
- }
- static
- int 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_ERR_LT_NOT_ALLOWED;
- 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 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)
- return PREFIX(scanPercent)(enc, ptr + MINBPC(enc), end, nextTokPtr);
- *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 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 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 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 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 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 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 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 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 ptr - start;
- }
- }
- }
- static
- const char *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 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 = (unsigned)-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 = (unsigned)-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