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Unified Diff: third_party/expat/files/lib/xmltok_impl.c.original

Issue 2761253002: Update expat to 2.2.0 to fix CVE vulnerability. (Closed)
Patch Set: update README.chromium Created 3 years, 9 months ago
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Index: third_party/expat/files/lib/xmltok_impl.c.original
diff --git a/third_party/expat/files/lib/xmltok_impl.c.original b/third_party/expat/files/lib/xmltok_impl.c.original
deleted file mode 100644
index 9c2895b87739ef031ecd933df4b95e2441f8962b..0000000000000000000000000000000000000000
--- a/third_party/expat/files/lib/xmltok_impl.c.original
+++ /dev/null
@@ -1,1783 +0,0 @@
-/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
- See the file COPYING for copying permission.
-*/
-
-/* This file is included! */
-#ifdef XML_TOK_IMPL_C
-
-#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_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_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
-
-#endif /* XML_TOK_IMPL_C */
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