summaryrefslogtreecommitdiffstats
path: root/lib/expat/xmltok.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--lib/expat/xmltok.c1651
1 files changed, 0 insertions, 1651 deletions
diff --git a/lib/expat/xmltok.c b/lib/expat/xmltok.c
deleted file mode 100644
index bf09dfc72..000000000
--- a/lib/expat/xmltok.c
+++ /dev/null
@@ -1,1651 +0,0 @@
-/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
- See the file COPYING for copying permission.
-*/
-
-#include <stddef.h>
-
-#ifdef COMPILED_FROM_DSP
-#include "winconfig.h"
-#elif defined(MACOS_CLASSIC)
-#include "macconfig.h"
-#elif defined(__amigaos__)
-#include "amigaconfig.h"
-#elif defined(__WATCOMC__)
-#include "watcomconfig.h"
-#else
-#ifdef HAVE_EXPAT_CONFIG_H
-#include <expat_config.h>
-#endif
-#endif /* ndef COMPILED_FROM_DSP */
-
-#include "expat_external.h"
-#include "internal.h"
-#include "xmltok.h"
-#include "nametab.h"
-
-#ifdef XML_DTD
-#define IGNORE_SECTION_TOK_VTABLE , PREFIX(ignoreSectionTok)
-#else
-#define IGNORE_SECTION_TOK_VTABLE /* as nothing */
-#endif
-
-#define VTABLE1 \
- { PREFIX(prologTok), PREFIX(contentTok), \
- PREFIX(cdataSectionTok) IGNORE_SECTION_TOK_VTABLE }, \
- { PREFIX(attributeValueTok), PREFIX(entityValueTok) }, \
- PREFIX(sameName), \
- PREFIX(nameMatchesAscii), \
- PREFIX(nameLength), \
- PREFIX(skipS), \
- PREFIX(getAtts), \
- PREFIX(charRefNumber), \
- PREFIX(predefinedEntityName), \
- PREFIX(updatePosition), \
- PREFIX(isPublicId)
-
-#define VTABLE VTABLE1, PREFIX(toUtf8), PREFIX(toUtf16)
-
-#define UCS2_GET_NAMING(pages, hi, lo) \
- (namingBitmap[(pages[hi] << 3) + ((lo) >> 5)] & (1 << ((lo) & 0x1F)))
-
-/* A 2 byte UTF-8 representation splits the characters 11 bits between
- the bottom 5 and 6 bits of the bytes. We need 8 bits to index into
- pages, 3 bits to add to that index and 5 bits to generate the mask.
-*/
-#define UTF8_GET_NAMING2(pages, byte) \
- (namingBitmap[((pages)[(((byte)[0]) >> 2) & 7] << 3) \
- + ((((byte)[0]) & 3) << 1) \
- + ((((byte)[1]) >> 5) & 1)] \
- & (1 << (((byte)[1]) & 0x1F)))
-
-/* A 3 byte UTF-8 representation splits the characters 16 bits between
- the bottom 4, 6 and 6 bits of the bytes. We need 8 bits to index
- into pages, 3 bits to add to that index and 5 bits to generate the
- mask.
-*/
-#define UTF8_GET_NAMING3(pages, byte) \
- (namingBitmap[((pages)[((((byte)[0]) & 0xF) << 4) \
- + ((((byte)[1]) >> 2) & 0xF)] \
- << 3) \
- + ((((byte)[1]) & 3) << 1) \
- + ((((byte)[2]) >> 5) & 1)] \
- & (1 << (((byte)[2]) & 0x1F)))
-
-#define UTF8_GET_NAMING(pages, p, n) \
- ((n) == 2 \
- ? UTF8_GET_NAMING2(pages, (const unsigned char *)(p)) \
- : ((n) == 3 \
- ? UTF8_GET_NAMING3(pages, (const unsigned char *)(p)) \
- : 0))
-
-/* Detection of invalid UTF-8 sequences is based on Table 3.1B
- of Unicode 3.2: http://www.unicode.org/unicode/reports/tr28/
- with the additional restriction of not allowing the Unicode
- code points 0xFFFF and 0xFFFE (sequences EF,BF,BF and EF,BF,BE).
- Implementation details:
- (A & 0x80) == 0 means A < 0x80
- and
- (A & 0xC0) == 0xC0 means A > 0xBF
-*/
-
-#define UTF8_INVALID2(p) \
- ((*p) < 0xC2 || ((p)[1] & 0x80) == 0 || ((p)[1] & 0xC0) == 0xC0)
-
-#define UTF8_INVALID3(p) \
- (((p)[2] & 0x80) == 0 \
- || \
- ((*p) == 0xEF && (p)[1] == 0xBF \
- ? \
- (p)[2] > 0xBD \
- : \
- ((p)[2] & 0xC0) == 0xC0) \
- || \
- ((*p) == 0xE0 \
- ? \
- (p)[1] < 0xA0 || ((p)[1] & 0xC0) == 0xC0 \
- : \
- ((p)[1] & 0x80) == 0 \
- || \
- ((*p) == 0xED ? (p)[1] > 0x9F : ((p)[1] & 0xC0) == 0xC0)))
-
-#define UTF8_INVALID4(p) \
- (((p)[3] & 0x80) == 0 || ((p)[3] & 0xC0) == 0xC0 \
- || \
- ((p)[2] & 0x80) == 0 || ((p)[2] & 0xC0) == 0xC0 \
- || \
- ((*p) == 0xF0 \
- ? \
- (p)[1] < 0x90 || ((p)[1] & 0xC0) == 0xC0 \
- : \
- ((p)[1] & 0x80) == 0 \
- || \
- ((*p) == 0xF4 ? (p)[1] > 0x8F : ((p)[1] & 0xC0) == 0xC0)))
-
-static int PTRFASTCALL
-isNever(const ENCODING *enc, const char *p)
-{
- return 0;
-}
-
-static int PTRFASTCALL
-utf8_isName2(const ENCODING *enc, const char *p)
-{
- return UTF8_GET_NAMING2(namePages, (const unsigned char *)p);
-}
-
-static int PTRFASTCALL
-utf8_isName3(const ENCODING *enc, const char *p)
-{
- return UTF8_GET_NAMING3(namePages, (const unsigned char *)p);
-}
-
-#define utf8_isName4 isNever
-
-static int PTRFASTCALL
-utf8_isNmstrt2(const ENCODING *enc, const char *p)
-{
- return UTF8_GET_NAMING2(nmstrtPages, (const unsigned char *)p);
-}
-
-static int PTRFASTCALL
-utf8_isNmstrt3(const ENCODING *enc, const char *p)
-{
- return UTF8_GET_NAMING3(nmstrtPages, (const unsigned char *)p);
-}
-
-#define utf8_isNmstrt4 isNever
-
-static int PTRFASTCALL
-utf8_isInvalid2(const ENCODING *enc, const char *p)
-{
- return UTF8_INVALID2((const unsigned char *)p);
-}
-
-static int PTRFASTCALL
-utf8_isInvalid3(const ENCODING *enc, const char *p)
-{
- return UTF8_INVALID3((const unsigned char *)p);
-}
-
-static int PTRFASTCALL
-utf8_isInvalid4(const ENCODING *enc, const char *p)
-{
- return UTF8_INVALID4((const unsigned char *)p);
-}
-
-struct normal_encoding {
- ENCODING enc;
- unsigned char type[256];
-#ifdef XML_MIN_SIZE
- int (PTRFASTCALL *byteType)(const ENCODING *, const char *);
- int (PTRFASTCALL *isNameMin)(const ENCODING *, const char *);
- int (PTRFASTCALL *isNmstrtMin)(const ENCODING *, const char *);
- int (PTRFASTCALL *byteToAscii)(const ENCODING *, const char *);
- int (PTRCALL *charMatches)(const ENCODING *, const char *, int);
-#endif /* XML_MIN_SIZE */
- int (PTRFASTCALL *isName2)(const ENCODING *, const char *);
- int (PTRFASTCALL *isName3)(const ENCODING *, const char *);
- int (PTRFASTCALL *isName4)(const ENCODING *, const char *);
- int (PTRFASTCALL *isNmstrt2)(const ENCODING *, const char *);
- int (PTRFASTCALL *isNmstrt3)(const ENCODING *, const char *);
- int (PTRFASTCALL *isNmstrt4)(const ENCODING *, const char *);
- int (PTRFASTCALL *isInvalid2)(const ENCODING *, const char *);
- int (PTRFASTCALL *isInvalid3)(const ENCODING *, const char *);
- int (PTRFASTCALL *isInvalid4)(const ENCODING *, const char *);
-};
-
-#define AS_NORMAL_ENCODING(enc) ((const struct normal_encoding *) (enc))
-
-#ifdef XML_MIN_SIZE
-
-#define STANDARD_VTABLE(E) \
- E ## byteType, \
- E ## isNameMin, \
- E ## isNmstrtMin, \
- E ## byteToAscii, \
- E ## charMatches,
-
-#else
-
-#define STANDARD_VTABLE(E) /* as nothing */
-
-#endif
-
-#define NORMAL_VTABLE(E) \
- E ## isName2, \
- E ## isName3, \
- E ## isName4, \
- E ## isNmstrt2, \
- E ## isNmstrt3, \
- E ## isNmstrt4, \
- E ## isInvalid2, \
- E ## isInvalid3, \
- E ## isInvalid4
-
-static int FASTCALL checkCharRefNumber(int);
-
-#include "xmltok_impl.h"
-#include "ascii.h"
-
-#ifdef XML_MIN_SIZE
-#define sb_isNameMin isNever
-#define sb_isNmstrtMin isNever
-#endif
-
-#ifdef XML_MIN_SIZE
-#define MINBPC(enc) ((enc)->minBytesPerChar)
-#else
-/* minimum bytes per character */
-#define MINBPC(enc) 1
-#endif
-
-#define SB_BYTE_TYPE(enc, p) \
- (((struct normal_encoding *)(enc))->type[(unsigned char)*(p)])
-
-#ifdef XML_MIN_SIZE
-static int PTRFASTCALL
-sb_byteType(const ENCODING *enc, const char *p)
-{
- return SB_BYTE_TYPE(enc, p);
-}
-#define BYTE_TYPE(enc, p) \
- (AS_NORMAL_ENCODING(enc)->byteType(enc, p))
-#else
-#define BYTE_TYPE(enc, p) SB_BYTE_TYPE(enc, p)
-#endif
-
-#ifdef XML_MIN_SIZE
-#define BYTE_TO_ASCII(enc, p) \
- (AS_NORMAL_ENCODING(enc)->byteToAscii(enc, p))
-static int PTRFASTCALL
-sb_byteToAscii(const ENCODING *enc, const char *p)
-{
- return *p;
-}
-#else
-#define BYTE_TO_ASCII(enc, p) (*(p))
-#endif
-
-#define IS_NAME_CHAR(enc, p, n) \
- (AS_NORMAL_ENCODING(enc)->isName ## n(enc, p))
-#define IS_NMSTRT_CHAR(enc, p, n) \
- (AS_NORMAL_ENCODING(enc)->isNmstrt ## n(enc, p))
-#define IS_INVALID_CHAR(enc, p, n) \
- (AS_NORMAL_ENCODING(enc)->isInvalid ## n(enc, p))
-
-#ifdef XML_MIN_SIZE
-#define IS_NAME_CHAR_MINBPC(enc, p) \
- (AS_NORMAL_ENCODING(enc)->isNameMin(enc, p))
-#define IS_NMSTRT_CHAR_MINBPC(enc, p) \
- (AS_NORMAL_ENCODING(enc)->isNmstrtMin(enc, p))
-#else
-#define IS_NAME_CHAR_MINBPC(enc, p) (0)
-#define IS_NMSTRT_CHAR_MINBPC(enc, p) (0)
-#endif
-
-#ifdef XML_MIN_SIZE
-#define CHAR_MATCHES(enc, p, c) \
- (AS_NORMAL_ENCODING(enc)->charMatches(enc, p, c))
-static int PTRCALL
-sb_charMatches(const ENCODING *enc, const char *p, int c)
-{
- return *p == c;
-}
-#else
-/* c is an ASCII character */
-#define CHAR_MATCHES(enc, p, c) (*(p) == c)
-#endif
-
-#define PREFIX(ident) normal_ ## ident
-#define XML_TOK_IMPL_C
-#include "xmltok_impl.c"
-#undef XML_TOK_IMPL_C
-
-#undef MINBPC
-#undef BYTE_TYPE
-#undef BYTE_TO_ASCII
-#undef CHAR_MATCHES
-#undef IS_NAME_CHAR
-#undef IS_NAME_CHAR_MINBPC
-#undef IS_NMSTRT_CHAR
-#undef IS_NMSTRT_CHAR_MINBPC
-#undef IS_INVALID_CHAR
-
-enum { /* UTF8_cvalN is value of masked first byte of N byte sequence */
- UTF8_cval1 = 0x00,
- UTF8_cval2 = 0xc0,
- UTF8_cval3 = 0xe0,
- UTF8_cval4 = 0xf0
-};
-
-static void PTRCALL
-utf8_toUtf8(const ENCODING *enc,
- const char **fromP, const char *fromLim,
- char **toP, const char *toLim)
-{
- char *to;
- const char *from;
- if (fromLim - *fromP > toLim - *toP) {
- /* Avoid copying partial characters. */
- for (fromLim = *fromP + (toLim - *toP); fromLim > *fromP; fromLim--)
- if (((unsigned char)fromLim[-1] & 0xc0) != 0x80)
- break;
- }
- for (to = *toP, from = *fromP; from != fromLim; from++, to++)
- *to = *from;
- *fromP = from;
- *toP = to;
-}
-
-static void PTRCALL
-utf8_toUtf16(const ENCODING *enc,
- const char **fromP, const char *fromLim,
- unsigned short **toP, const unsigned short *toLim)
-{
- unsigned short *to = *toP;
- const char *from = *fromP;
- while (from != fromLim && to != toLim) {
- switch (((struct normal_encoding *)enc)->type[(unsigned char)*from]) {
- case BT_LEAD2:
- *to++ = (unsigned short)(((from[0] & 0x1f) << 6) | (from[1] & 0x3f));
- from += 2;
- break;
- case BT_LEAD3:
- *to++ = (unsigned short)(((from[0] & 0xf) << 12)
- | ((from[1] & 0x3f) << 6) | (from[2] & 0x3f));
- from += 3;
- break;
- case BT_LEAD4:
- {
- unsigned long n;
- if (to + 1 == toLim)
- goto after;
- n = ((from[0] & 0x7) << 18) | ((from[1] & 0x3f) << 12)
- | ((from[2] & 0x3f) << 6) | (from[3] & 0x3f);
- n -= 0x10000;
- to[0] = (unsigned short)((n >> 10) | 0xD800);
- to[1] = (unsigned short)((n & 0x3FF) | 0xDC00);
- to += 2;
- from += 4;
- }
- break;
- default:
- *to++ = *from++;
- break;
- }
- }
-after:
- *fromP = from;
- *toP = to;
-}
-
-#ifdef XML_NS
-static const struct normal_encoding utf8_encoding_ns = {
- { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
- {
-#include "asciitab.h"
-#include "utf8tab.h"
- },
- STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
-};
-#endif
-
-static const struct normal_encoding utf8_encoding = {
- { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
- {
-#define BT_COLON BT_NMSTRT
-#include "asciitab.h"
-#undef BT_COLON
-#include "utf8tab.h"
- },
- STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
-};
-
-#ifdef XML_NS
-
-static const struct normal_encoding internal_utf8_encoding_ns = {
- { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
- {
-#include "iasciitab.h"
-#include "utf8tab.h"
- },
- STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
-};
-
-#endif
-
-static const struct normal_encoding internal_utf8_encoding = {
- { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
- {
-#define BT_COLON BT_NMSTRT
-#include "iasciitab.h"
-#undef BT_COLON
-#include "utf8tab.h"
- },
- STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
-};
-
-static void PTRCALL
-latin1_toUtf8(const ENCODING *enc,
- const char **fromP, const char *fromLim,
- char **toP, const char *toLim)
-{
- for (;;) {
- unsigned char c;
- if (*fromP == fromLim)
- break;
- c = (unsigned char)**fromP;
- if (c & 0x80) {
- if (toLim - *toP < 2)
- break;
- *(*toP)++ = (char)((c >> 6) | UTF8_cval2);
- *(*toP)++ = (char)((c & 0x3f) | 0x80);
- (*fromP)++;
- }
- else {
- if (*toP == toLim)
- break;
- *(*toP)++ = *(*fromP)++;
- }
- }
-}
-
-static void PTRCALL
-latin1_toUtf16(const ENCODING *enc,
- const char **fromP, const char *fromLim,
- unsigned short **toP, const unsigned short *toLim)
-{
- while (*fromP != fromLim && *toP != toLim)
- *(*toP)++ = (unsigned char)*(*fromP)++;
-}
-
-#ifdef XML_NS
-
-static const struct normal_encoding latin1_encoding_ns = {
- { VTABLE1, latin1_toUtf8, latin1_toUtf16, 1, 0, 0 },
- {
-#include "asciitab.h"
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(sb_)
-};
-
-#endif
-
-static const struct normal_encoding latin1_encoding = {
- { VTABLE1, latin1_toUtf8, latin1_toUtf16, 1, 0, 0 },
- {
-#define BT_COLON BT_NMSTRT
-#include "asciitab.h"
-#undef BT_COLON
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(sb_)
-};
-
-static void PTRCALL
-ascii_toUtf8(const ENCODING *enc,
- const char **fromP, const char *fromLim,
- char **toP, const char *toLim)
-{
- while (*fromP != fromLim && *toP != toLim)
- *(*toP)++ = *(*fromP)++;
-}
-
-#ifdef XML_NS
-
-static const struct normal_encoding ascii_encoding_ns = {
- { VTABLE1, ascii_toUtf8, latin1_toUtf16, 1, 1, 0 },
- {
-#include "asciitab.h"
-/* BT_NONXML == 0 */
- },
- STANDARD_VTABLE(sb_)
-};
-
-#endif
-
-static const struct normal_encoding ascii_encoding = {
- { VTABLE1, ascii_toUtf8, latin1_toUtf16, 1, 1, 0 },
- {
-#define BT_COLON BT_NMSTRT
-#include "asciitab.h"
-#undef BT_COLON
-/* BT_NONXML == 0 */
- },
- STANDARD_VTABLE(sb_)
-};
-
-static int PTRFASTCALL
-unicode_byte_type(char hi, char lo)
-{
- switch ((unsigned char)hi) {
- case 0xD8: case 0xD9: case 0xDA: case 0xDB:
- return BT_LEAD4;
- case 0xDC: case 0xDD: case 0xDE: case 0xDF:
- return BT_TRAIL;
- case 0xFF:
- switch ((unsigned char)lo) {
- case 0xFF:
- case 0xFE:
- return BT_NONXML;
- }
- break;
- }
- return BT_NONASCII;
-}
-
-#define DEFINE_UTF16_TO_UTF8(E) \
-static void PTRCALL \
-E ## toUtf8(const ENCODING *enc, \
- const char **fromP, const char *fromLim, \
- char **toP, const char *toLim) \
-{ \
- const char *from; \
- for (from = *fromP; from != fromLim; from += 2) { \
- int plane; \
- unsigned char lo2; \
- unsigned char lo = GET_LO(from); \
- unsigned char hi = GET_HI(from); \
- switch (hi) { \
- case 0: \
- if (lo < 0x80) { \
- if (*toP == toLim) { \
- *fromP = from; \
- return; \
- } \
- *(*toP)++ = lo; \
- break; \
- } \
- /* fall through */ \
- case 0x1: case 0x2: case 0x3: \
- case 0x4: case 0x5: case 0x6: case 0x7: \
- if (toLim - *toP < 2) { \
- *fromP = from; \
- return; \
- } \
- *(*toP)++ = ((lo >> 6) | (hi << 2) | UTF8_cval2); \
- *(*toP)++ = ((lo & 0x3f) | 0x80); \
- break; \
- default: \
- if (toLim - *toP < 3) { \
- *fromP = from; \
- return; \
- } \
- /* 16 bits divided 4, 6, 6 amongst 3 bytes */ \
- *(*toP)++ = ((hi >> 4) | UTF8_cval3); \
- *(*toP)++ = (((hi & 0xf) << 2) | (lo >> 6) | 0x80); \
- *(*toP)++ = ((lo & 0x3f) | 0x80); \
- break; \
- case 0xD8: case 0xD9: case 0xDA: case 0xDB: \
- if (toLim - *toP < 4) { \
- *fromP = from; \
- return; \
- } \
- plane = (((hi & 0x3) << 2) | ((lo >> 6) & 0x3)) + 1; \
- *(*toP)++ = ((plane >> 2) | UTF8_cval4); \
- *(*toP)++ = (((lo >> 2) & 0xF) | ((plane & 0x3) << 4) | 0x80); \
- from += 2; \
- lo2 = GET_LO(from); \
- *(*toP)++ = (((lo & 0x3) << 4) \
- | ((GET_HI(from) & 0x3) << 2) \
- | (lo2 >> 6) \
- | 0x80); \
- *(*toP)++ = ((lo2 & 0x3f) | 0x80); \
- break; \
- } \
- } \
- *fromP = from; \
-}
-
-#define DEFINE_UTF16_TO_UTF16(E) \
-static void PTRCALL \
-E ## toUtf16(const ENCODING *enc, \
- const char **fromP, const char *fromLim, \
- unsigned short **toP, const unsigned short *toLim) \
-{ \
- /* Avoid copying first half only of surrogate */ \
- if (fromLim - *fromP > ((toLim - *toP) << 1) \
- && (GET_HI(fromLim - 2) & 0xF8) == 0xD8) \
- fromLim -= 2; \
- for (; *fromP != fromLim && *toP != toLim; *fromP += 2) \
- *(*toP)++ = (GET_HI(*fromP) << 8) | GET_LO(*fromP); \
-}
-
-#define SET2(ptr, ch) \
- (((ptr)[0] = ((ch) & 0xff)), ((ptr)[1] = ((ch) >> 8)))
-#define GET_LO(ptr) ((unsigned char)(ptr)[0])
-#define GET_HI(ptr) ((unsigned char)(ptr)[1])
-
-DEFINE_UTF16_TO_UTF8(little2_)
-DEFINE_UTF16_TO_UTF16(little2_)
-
-#undef SET2
-#undef GET_LO
-#undef GET_HI
-
-#define SET2(ptr, ch) \
- (((ptr)[0] = ((ch) >> 8)), ((ptr)[1] = ((ch) & 0xFF)))
-#define GET_LO(ptr) ((unsigned char)(ptr)[1])
-#define GET_HI(ptr) ((unsigned char)(ptr)[0])
-
-DEFINE_UTF16_TO_UTF8(big2_)
-DEFINE_UTF16_TO_UTF16(big2_)
-
-#undef SET2
-#undef GET_LO
-#undef GET_HI
-
-#define LITTLE2_BYTE_TYPE(enc, p) \
- ((p)[1] == 0 \
- ? ((struct normal_encoding *)(enc))->type[(unsigned char)*(p)] \
- : unicode_byte_type((p)[1], (p)[0]))
-#define LITTLE2_BYTE_TO_ASCII(enc, p) ((p)[1] == 0 ? (p)[0] : -1)
-#define LITTLE2_CHAR_MATCHES(enc, p, c) ((p)[1] == 0 && (p)[0] == c)
-#define LITTLE2_IS_NAME_CHAR_MINBPC(enc, p) \
- UCS2_GET_NAMING(namePages, (unsigned char)p[1], (unsigned char)p[0])
-#define LITTLE2_IS_NMSTRT_CHAR_MINBPC(enc, p) \
- UCS2_GET_NAMING(nmstrtPages, (unsigned char)p[1], (unsigned char)p[0])
-
-#ifdef XML_MIN_SIZE
-
-static int PTRFASTCALL
-little2_byteType(const ENCODING *enc, const char *p)
-{
- return LITTLE2_BYTE_TYPE(enc, p);
-}
-
-static int PTRFASTCALL
-little2_byteToAscii(const ENCODING *enc, const char *p)
-{
- return LITTLE2_BYTE_TO_ASCII(enc, p);
-}
-
-static int PTRCALL
-little2_charMatches(const ENCODING *enc, const char *p, int c)
-{
- return LITTLE2_CHAR_MATCHES(enc, p, c);
-}
-
-static int PTRFASTCALL
-little2_isNameMin(const ENCODING *enc, const char *p)
-{
- return LITTLE2_IS_NAME_CHAR_MINBPC(enc, p);
-}
-
-static int PTRFASTCALL
-little2_isNmstrtMin(const ENCODING *enc, const char *p)
-{
- return LITTLE2_IS_NMSTRT_CHAR_MINBPC(enc, p);
-}
-
-#undef VTABLE
-#define VTABLE VTABLE1, little2_toUtf8, little2_toUtf16
-
-#else /* not XML_MIN_SIZE */
-
-#undef PREFIX
-#define PREFIX(ident) little2_ ## ident
-#define MINBPC(enc) 2
-/* CHAR_MATCHES is guaranteed to have MINBPC bytes available. */
-#define BYTE_TYPE(enc, p) LITTLE2_BYTE_TYPE(enc, p)
-#define BYTE_TO_ASCII(enc, p) LITTLE2_BYTE_TO_ASCII(enc, p)
-#define CHAR_MATCHES(enc, p, c) LITTLE2_CHAR_MATCHES(enc, p, c)
-#define IS_NAME_CHAR(enc, p, n) 0
-#define IS_NAME_CHAR_MINBPC(enc, p) LITTLE2_IS_NAME_CHAR_MINBPC(enc, p)
-#define IS_NMSTRT_CHAR(enc, p, n) (0)
-#define IS_NMSTRT_CHAR_MINBPC(enc, p) LITTLE2_IS_NMSTRT_CHAR_MINBPC(enc, p)
-
-#define XML_TOK_IMPL_C
-#include "xmltok_impl.c"
-#undef XML_TOK_IMPL_C
-
-#undef MINBPC
-#undef BYTE_TYPE
-#undef BYTE_TO_ASCII
-#undef CHAR_MATCHES
-#undef IS_NAME_CHAR
-#undef IS_NAME_CHAR_MINBPC
-#undef IS_NMSTRT_CHAR
-#undef IS_NMSTRT_CHAR_MINBPC
-#undef IS_INVALID_CHAR
-
-#endif /* not XML_MIN_SIZE */
-
-#ifdef XML_NS
-
-static const struct normal_encoding little2_encoding_ns = {
- { VTABLE, 2, 0,
-#if BYTEORDER == 1234
- 1
-#else
- 0
-#endif
- },
- {
-#include "asciitab.h"
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(little2_)
-};
-
-#endif
-
-static const struct normal_encoding little2_encoding = {
- { VTABLE, 2, 0,
-#if BYTEORDER == 1234
- 1
-#else
- 0
-#endif
- },
- {
-#define BT_COLON BT_NMSTRT
-#include "asciitab.h"
-#undef BT_COLON
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(little2_)
-};
-
-#if BYTEORDER != 4321
-
-#ifdef XML_NS
-
-static const struct normal_encoding internal_little2_encoding_ns = {
- { VTABLE, 2, 0, 1 },
- {
-#include "iasciitab.h"
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(little2_)
-};
-
-#endif
-
-static const struct normal_encoding internal_little2_encoding = {
- { VTABLE, 2, 0, 1 },
- {
-#define BT_COLON BT_NMSTRT
-#include "iasciitab.h"
-#undef BT_COLON
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(little2_)
-};
-
-#endif
-
-
-#define BIG2_BYTE_TYPE(enc, p) \
- ((p)[0] == 0 \
- ? ((struct normal_encoding *)(enc))->type[(unsigned char)(p)[1]] \
- : unicode_byte_type((p)[0], (p)[1]))
-#define BIG2_BYTE_TO_ASCII(enc, p) ((p)[0] == 0 ? (p)[1] : -1)
-#define BIG2_CHAR_MATCHES(enc, p, c) ((p)[0] == 0 && (p)[1] == c)
-#define BIG2_IS_NAME_CHAR_MINBPC(enc, p) \
- UCS2_GET_NAMING(namePages, (unsigned char)p[0], (unsigned char)p[1])
-#define BIG2_IS_NMSTRT_CHAR_MINBPC(enc, p) \
- UCS2_GET_NAMING(nmstrtPages, (unsigned char)p[0], (unsigned char)p[1])
-
-#ifdef XML_MIN_SIZE
-
-static int PTRFASTCALL
-big2_byteType(const ENCODING *enc, const char *p)
-{
- return BIG2_BYTE_TYPE(enc, p);
-}
-
-static int PTRFASTCALL
-big2_byteToAscii(const ENCODING *enc, const char *p)
-{
- return BIG2_BYTE_TO_ASCII(enc, p);
-}
-
-static int PTRCALL
-big2_charMatches(const ENCODING *enc, const char *p, int c)
-{
- return BIG2_CHAR_MATCHES(enc, p, c);
-}
-
-static int PTRFASTCALL
-big2_isNameMin(const ENCODING *enc, const char *p)
-{
- return BIG2_IS_NAME_CHAR_MINBPC(enc, p);
-}
-
-static int PTRFASTCALL
-big2_isNmstrtMin(const ENCODING *enc, const char *p)
-{
- return BIG2_IS_NMSTRT_CHAR_MINBPC(enc, p);
-}
-
-#undef VTABLE
-#define VTABLE VTABLE1, big2_toUtf8, big2_toUtf16
-
-#else /* not XML_MIN_SIZE */
-
-#undef PREFIX
-#define PREFIX(ident) big2_ ## ident
-#define MINBPC(enc) 2
-/* CHAR_MATCHES is guaranteed to have MINBPC bytes available. */
-#define BYTE_TYPE(enc, p) BIG2_BYTE_TYPE(enc, p)
-#define BYTE_TO_ASCII(enc, p) BIG2_BYTE_TO_ASCII(enc, p)
-#define CHAR_MATCHES(enc, p, c) BIG2_CHAR_MATCHES(enc, p, c)
-#define IS_NAME_CHAR(enc, p, n) 0
-#define IS_NAME_CHAR_MINBPC(enc, p) BIG2_IS_NAME_CHAR_MINBPC(enc, p)
-#define IS_NMSTRT_CHAR(enc, p, n) (0)
-#define IS_NMSTRT_CHAR_MINBPC(enc, p) BIG2_IS_NMSTRT_CHAR_MINBPC(enc, p)
-
-#define XML_TOK_IMPL_C
-#include "xmltok_impl.c"
-#undef XML_TOK_IMPL_C
-
-#undef MINBPC
-#undef BYTE_TYPE
-#undef BYTE_TO_ASCII
-#undef CHAR_MATCHES
-#undef IS_NAME_CHAR
-#undef IS_NAME_CHAR_MINBPC
-#undef IS_NMSTRT_CHAR
-#undef IS_NMSTRT_CHAR_MINBPC
-#undef IS_INVALID_CHAR
-
-#endif /* not XML_MIN_SIZE */
-
-#ifdef XML_NS
-
-static const struct normal_encoding big2_encoding_ns = {
- { VTABLE, 2, 0,
-#if BYTEORDER == 4321
- 1
-#else
- 0
-#endif
- },
- {
-#include "asciitab.h"
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(big2_)
-};
-
-#endif
-
-static const struct normal_encoding big2_encoding = {
- { VTABLE, 2, 0,
-#if BYTEORDER == 4321
- 1
-#else
- 0
-#endif
- },
- {
-#define BT_COLON BT_NMSTRT
-#include "asciitab.h"
-#undef BT_COLON
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(big2_)
-};
-
-#if BYTEORDER != 1234
-
-#ifdef XML_NS
-
-static const struct normal_encoding internal_big2_encoding_ns = {
- { VTABLE, 2, 0, 1 },
- {
-#include "iasciitab.h"
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(big2_)
-};
-
-#endif
-
-static const struct normal_encoding internal_big2_encoding = {
- { VTABLE, 2, 0, 1 },
- {
-#define BT_COLON BT_NMSTRT
-#include "iasciitab.h"
-#undef BT_COLON
-#include "latin1tab.h"
- },
- STANDARD_VTABLE(big2_)
-};
-
-#endif
-
-#undef PREFIX
-
-static int FASTCALL
-streqci(const char *s1, const char *s2)
-{
- for (;;) {
- char c1 = *s1++;
- char c2 = *s2++;
- if (ASCII_a <= c1 && c1 <= ASCII_z)
- c1 += ASCII_A - ASCII_a;
- if (ASCII_a <= c2 && c2 <= ASCII_z)
- c2 += ASCII_A - ASCII_a;
- if (c1 != c2)
- return 0;
- if (!c1)
- break;
- }
- return 1;
-}
-
-static void PTRCALL
-initUpdatePosition(const ENCODING *enc, const char *ptr,
- const char *end, POSITION *pos)
-{
- normal_updatePosition(&utf8_encoding.enc, ptr, end, pos);
-}
-
-static int
-toAscii(const ENCODING *enc, const char *ptr, const char *end)
-{
- char buf[1];
- char *p = buf;
- XmlUtf8Convert(enc, &ptr, end, &p, p + 1);
- if (p == buf)
- return -1;
- else
- return buf[0];
-}
-
-static int FASTCALL
-isSpace(int c)
-{
- switch (c) {
- case 0x20:
- case 0xD:
- case 0xA:
- case 0x9:
- return 1;
- }
- return 0;
-}
-
-/* Return 1 if there's just optional white space or there's an S
- followed by name=val.
-*/
-static int
-parsePseudoAttribute(const ENCODING *enc,
- const char *ptr,
- const char *end,
- const char **namePtr,
- const char **nameEndPtr,
- const char **valPtr,
- const char **nextTokPtr)
-{
- int c;
- char open;
- if (ptr == end) {
- *namePtr = NULL;
- return 1;
- }
- if (!isSpace(toAscii(enc, ptr, end))) {
- *nextTokPtr = ptr;
- return 0;
- }
- do {
- ptr += enc->minBytesPerChar;
- } while (isSpace(toAscii(enc, ptr, end)));
- if (ptr == end) {
- *namePtr = NULL;
- return 1;
- }
- *namePtr = ptr;
- for (;;) {
- c = toAscii(enc, ptr, end);
- if (c == -1) {
- *nextTokPtr = ptr;
- return 0;
- }
- if (c == ASCII_EQUALS) {
- *nameEndPtr = ptr;
- break;
- }
- if (isSpace(c)) {
- *nameEndPtr = ptr;
- do {
- ptr += enc->minBytesPerChar;
- } while (isSpace(c = toAscii(enc, ptr, end)));
- if (c != ASCII_EQUALS) {
- *nextTokPtr = ptr;
- return 0;
- }
- break;
- }
- ptr += enc->minBytesPerChar;
- }
- if (ptr == *namePtr) {
- *nextTokPtr = ptr;
- return 0;
- }
- ptr += enc->minBytesPerChar;
- c = toAscii(enc, ptr, end);
- while (isSpace(c)) {
- ptr += enc->minBytesPerChar;
- c = toAscii(enc, ptr, end);
- }
- if (c != ASCII_QUOT && c != ASCII_APOS) {
- *nextTokPtr = ptr;
- return 0;
- }
- open = (char)c;
- ptr += enc->minBytesPerChar;
- *valPtr = ptr;
- for (;; ptr += enc->minBytesPerChar) {
- c = toAscii(enc, ptr, end);
- if (c == open)
- break;
- if (!(ASCII_a <= c && c <= ASCII_z)
- && !(ASCII_A <= c && c <= ASCII_Z)
- && !(ASCII_0 <= c && c <= ASCII_9)
- && c != ASCII_PERIOD
- && c != ASCII_MINUS
- && c != ASCII_UNDERSCORE) {
- *nextTokPtr = ptr;
- return 0;
- }
- }
- *nextTokPtr = ptr + enc->minBytesPerChar;
- return 1;
-}
-
-static const char KW_version[] = {
- ASCII_v, ASCII_e, ASCII_r, ASCII_s, ASCII_i, ASCII_o, ASCII_n, '\0'
-};
-
-static const char KW_encoding[] = {
- ASCII_e, ASCII_n, ASCII_c, ASCII_o, ASCII_d, ASCII_i, ASCII_n, ASCII_g, '\0'
-};
-
-static const char KW_standalone[] = {
- ASCII_s, ASCII_t, ASCII_a, ASCII_n, ASCII_d, ASCII_a, ASCII_l, ASCII_o,
- ASCII_n, ASCII_e, '\0'
-};
-
-static const char KW_yes[] = {
- ASCII_y, ASCII_e, ASCII_s, '\0'
-};
-
-static const char KW_no[] = {
- ASCII_n, ASCII_o, '\0'
-};
-
-static int
-doParseXmlDecl(const ENCODING *(*encodingFinder)(const ENCODING *,
- const char *,
- const char *),
- int isGeneralTextEntity,
- const ENCODING *enc,
- const char *ptr,
- const char *end,
- const char **badPtr,
- const char **versionPtr,
- const char **versionEndPtr,
- const char **encodingName,
- const ENCODING **encoding,
- int *standalone)
-{
- const char *val = NULL;
- const char *name = NULL;
- const char *nameEnd = NULL;
- ptr += 5 * enc->minBytesPerChar;
- end -= 2 * enc->minBytesPerChar;
- if (!parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)
- || !name) {
- *badPtr = ptr;
- return 0;
- }
- if (!XmlNameMatchesAscii(enc, name, nameEnd, KW_version)) {
- if (!isGeneralTextEntity) {
- *badPtr = name;
- return 0;
- }
- }
- else {
- if (versionPtr)
- *versionPtr = val;
- if (versionEndPtr)
- *versionEndPtr = ptr;
- if (!parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)) {
- *badPtr = ptr;
- return 0;
- }
- if (!name) {
- if (isGeneralTextEntity) {
- /* a TextDecl must have an EncodingDecl */
- *badPtr = ptr;
- return 0;
- }
- return 1;
- }
- }
- if (XmlNameMatchesAscii(enc, name, nameEnd, KW_encoding)) {
- int c = toAscii(enc, val, end);
- if (!(ASCII_a <= c && c <= ASCII_z) && !(ASCII_A <= c && c <= ASCII_Z)) {
- *badPtr = val;
- return 0;
- }
- if (encodingName)
- *encodingName = val;
- if (encoding)
- *encoding = encodingFinder(enc, val, ptr - enc->minBytesPerChar);
- if (!parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)) {
- *badPtr = ptr;
- return 0;
- }
- if (!name)
- return 1;
- }
- if (!XmlNameMatchesAscii(enc, name, nameEnd, KW_standalone)
- || isGeneralTextEntity) {
- *badPtr = name;
- return 0;
- }
- if (XmlNameMatchesAscii(enc, val, ptr - enc->minBytesPerChar, KW_yes)) {
- if (standalone)
- *standalone = 1;
- }
- else if (XmlNameMatchesAscii(enc, val, ptr - enc->minBytesPerChar, KW_no)) {
- if (standalone)
- *standalone = 0;
- }
- else {
- *badPtr = val;
- return 0;
- }
- while (isSpace(toAscii(enc, ptr, end)))
- ptr += enc->minBytesPerChar;
- if (ptr != end) {
- *badPtr = ptr;
- return 0;
- }
- return 1;
-}
-
-static int FASTCALL
-checkCharRefNumber(int result)
-{
- switch (result >> 8) {
- case 0xD8: case 0xD9: case 0xDA: case 0xDB:
- case 0xDC: case 0xDD: case 0xDE: case 0xDF:
- return -1;
- case 0:
- if (latin1_encoding.type[result] == BT_NONXML)
- return -1;
- break;
- case 0xFF:
- if (result == 0xFFFE || result == 0xFFFF)
- return -1;
- break;
- }
- return result;
-}
-
-int FASTCALL
-XmlUtf8Encode(int c, char *buf)
-{
- enum {
- /* minN is minimum legal resulting value for N byte sequence */
- min2 = 0x80,
- min3 = 0x800,
- min4 = 0x10000
- };
-
- if (c < 0)
- return 0;
- if (c < min2) {
- buf[0] = (char)(c | UTF8_cval1);
- return 1;
- }
- if (c < min3) {
- buf[0] = (char)((c >> 6) | UTF8_cval2);
- buf[1] = (char)((c & 0x3f) | 0x80);
- return 2;
- }
- if (c < min4) {
- buf[0] = (char)((c >> 12) | UTF8_cval3);
- buf[1] = (char)(((c >> 6) & 0x3f) | 0x80);
- buf[2] = (char)((c & 0x3f) | 0x80);
- return 3;
- }
- if (c < 0x110000) {
- buf[0] = (char)((c >> 18) | UTF8_cval4);
- buf[1] = (char)(((c >> 12) & 0x3f) | 0x80);
- buf[2] = (char)(((c >> 6) & 0x3f) | 0x80);
- buf[3] = (char)((c & 0x3f) | 0x80);
- return 4;
- }
- return 0;
-}
-
-int FASTCALL
-XmlUtf16Encode(int charNum, unsigned short *buf)
-{
- if (charNum < 0)
- return 0;
- if (charNum < 0x10000) {
- buf[0] = (unsigned short)charNum;
- return 1;
- }
- if (charNum < 0x110000) {
- charNum -= 0x10000;
- buf[0] = (unsigned short)((charNum >> 10) + 0xD800);
- buf[1] = (unsigned short)((charNum & 0x3FF) + 0xDC00);
- return 2;
- }
- return 0;
-}
-
-struct unknown_encoding {
- struct normal_encoding normal;
- CONVERTER convert;
- void *userData;
- unsigned short utf16[256];
- char utf8[256][4];
-};
-
-#define AS_UNKNOWN_ENCODING(enc) ((const struct unknown_encoding *) (enc))
-
-int
-XmlSizeOfUnknownEncoding(void)
-{
- return sizeof(struct unknown_encoding);
-}
-
-static int PTRFASTCALL
-unknown_isName(const ENCODING *enc, const char *p)
-{
- const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
- int c = uenc->convert(uenc->userData, p);
- if (c & ~0xFFFF)
- return 0;
- return UCS2_GET_NAMING(namePages, c >> 8, c & 0xFF);
-}
-
-static int PTRFASTCALL
-unknown_isNmstrt(const ENCODING *enc, const char *p)
-{
- const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
- int c = uenc->convert(uenc->userData, p);
- if (c & ~0xFFFF)
- return 0;
- return UCS2_GET_NAMING(nmstrtPages, c >> 8, c & 0xFF);
-}
-
-static int PTRFASTCALL
-unknown_isInvalid(const ENCODING *enc, const char *p)
-{
- const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
- int c = uenc->convert(uenc->userData, p);
- return (c & ~0xFFFF) || checkCharRefNumber(c) < 0;
-}
-
-static void PTRCALL
-unknown_toUtf8(const ENCODING *enc,
- const char **fromP, const char *fromLim,
- char **toP, const char *toLim)
-{
- const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
- char buf[XML_UTF8_ENCODE_MAX];
- for (;;) {
- const char *utf8;
- int n;
- if (*fromP == fromLim)
- break;
- utf8 = uenc->utf8[(unsigned char)**fromP];
- n = *utf8++;
- if (n == 0) {
- int c = uenc->convert(uenc->userData, *fromP);
- n = XmlUtf8Encode(c, buf);
- if (n > toLim - *toP)
- break;
- utf8 = buf;
- *fromP += (AS_NORMAL_ENCODING(enc)->type[(unsigned char)**fromP]
- - (BT_LEAD2 - 2));
- }
- else {
- if (n > toLim - *toP)
- break;
- (*fromP)++;
- }
- do {
- *(*toP)++ = *utf8++;
- } while (--n != 0);
- }
-}
-
-static void PTRCALL
-unknown_toUtf16(const ENCODING *enc,
- const char **fromP, const char *fromLim,
- unsigned short **toP, const unsigned short *toLim)
-{
- const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
- while (*fromP != fromLim && *toP != toLim) {
- unsigned short c = uenc->utf16[(unsigned char)**fromP];
- if (c == 0) {
- c = (unsigned short)
- uenc->convert(uenc->userData, *fromP);
- *fromP += (AS_NORMAL_ENCODING(enc)->type[(unsigned char)**fromP]
- - (BT_LEAD2 - 2));
- }
- else
- (*fromP)++;
- *(*toP)++ = c;
- }
-}
-
-ENCODING *
-XmlInitUnknownEncoding(void *mem,
- int *table,
- CONVERTER convert,
- void *userData)
-{
- int i;
- struct unknown_encoding *e = (struct unknown_encoding *)mem;
- for (i = 0; i < (int)sizeof(struct normal_encoding); i++)
- ((char *)mem)[i] = ((char *)&latin1_encoding)[i];
- for (i = 0; i < 128; i++)
- if (latin1_encoding.type[i] != BT_OTHER
- && latin1_encoding.type[i] != BT_NONXML
- && table[i] != i)
- return 0;
- for (i = 0; i < 256; i++) {
- int c = table[i];
- if (c == -1) {
- e->normal.type[i] = BT_MALFORM;
- /* This shouldn't really get used. */
- e->utf16[i] = 0xFFFF;
- e->utf8[i][0] = 1;
- e->utf8[i][1] = 0;
- }
- else if (c < 0) {
- if (c < -4)
- return 0;
- e->normal.type[i] = (unsigned char)(BT_LEAD2 - (c + 2));
- e->utf8[i][0] = 0;
- e->utf16[i] = 0;
- }
- else if (c < 0x80) {
- if (latin1_encoding.type[c] != BT_OTHER
- && latin1_encoding.type[c] != BT_NONXML
- && c != i)
- return 0;
- e->normal.type[i] = latin1_encoding.type[c];
- e->utf8[i][0] = 1;
- e->utf8[i][1] = (char)c;
- e->utf16[i] = (unsigned short)(c == 0 ? 0xFFFF : c);
- }
- else if (checkCharRefNumber(c) < 0) {
- e->normal.type[i] = BT_NONXML;
- /* This shouldn't really get used. */
- e->utf16[i] = 0xFFFF;
- e->utf8[i][0] = 1;
- e->utf8[i][1] = 0;
- }
- else {
- if (c > 0xFFFF)
- return 0;
- if (UCS2_GET_NAMING(nmstrtPages, c >> 8, c & 0xff))
- e->normal.type[i] = BT_NMSTRT;
- else if (UCS2_GET_NAMING(namePages, c >> 8, c & 0xff))
- e->normal.type[i] = BT_NAME;
- else
- e->normal.type[i] = BT_OTHER;
- e->utf8[i][0] = (char)XmlUtf8Encode(c, e->utf8[i] + 1);
- e->utf16[i] = (unsigned short)c;
- }
- }
- e->userData = userData;
- e->convert = convert;
- if (convert) {
- e->normal.isName2 = unknown_isName;
- e->normal.isName3 = unknown_isName;
- e->normal.isName4 = unknown_isName;
- e->normal.isNmstrt2 = unknown_isNmstrt;
- e->normal.isNmstrt3 = unknown_isNmstrt;
- e->normal.isNmstrt4 = unknown_isNmstrt;
- e->normal.isInvalid2 = unknown_isInvalid;
- e->normal.isInvalid3 = unknown_isInvalid;
- e->normal.isInvalid4 = unknown_isInvalid;
- }
- e->normal.enc.utf8Convert = unknown_toUtf8;
- e->normal.enc.utf16Convert = unknown_toUtf16;
- return &(e->normal.enc);
-}
-
-/* If this enumeration is changed, getEncodingIndex and encodings
-must also be changed. */
-enum {
- UNKNOWN_ENC = -1,
- ISO_8859_1_ENC = 0,
- US_ASCII_ENC,
- UTF_8_ENC,
- UTF_16_ENC,
- UTF_16BE_ENC,
- UTF_16LE_ENC,
- /* must match encodingNames up to here */
- NO_ENC
-};
-
-static const char KW_ISO_8859_1[] = {
- ASCII_I, ASCII_S, ASCII_O, ASCII_MINUS, ASCII_8, ASCII_8, ASCII_5, ASCII_9,
- ASCII_MINUS, ASCII_1, '\0'
-};
-static const char KW_US_ASCII[] = {
- ASCII_U, ASCII_S, ASCII_MINUS, ASCII_A, ASCII_S, ASCII_C, ASCII_I, ASCII_I,
- '\0'
-};
-static const char KW_UTF_8[] = {
- ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_8, '\0'
-};
-static const char KW_UTF_16[] = {
- ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1, ASCII_6, '\0'
-};
-static const char KW_UTF_16BE[] = {
- ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1, ASCII_6, ASCII_B, ASCII_E,
- '\0'
-};
-static const char KW_UTF_16LE[] = {
- ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1, ASCII_6, ASCII_L, ASCII_E,
- '\0'
-};
-
-static int FASTCALL
-getEncodingIndex(const char *name)
-{
- static const char * const encodingNames[] = {
- KW_ISO_8859_1,
- KW_US_ASCII,
- KW_UTF_8,
- KW_UTF_16,
- KW_UTF_16BE,
- KW_UTF_16LE,
- };
- int i;
- if (name == NULL)
- return NO_ENC;
- for (i = 0; i < (int)(sizeof(encodingNames)/sizeof(encodingNames[0])); i++)
- if (streqci(name, encodingNames[i]))
- return i;
- return UNKNOWN_ENC;
-}
-
-/* For binary compatibility, we store the index of the encoding
- specified at initialization in the isUtf16 member.
-*/
-
-#define INIT_ENC_INDEX(enc) ((int)(enc)->initEnc.isUtf16)
-#define SET_INIT_ENC_INDEX(enc, i) ((enc)->initEnc.isUtf16 = (char)i)
-
-/* This is what detects the encoding. encodingTable maps from
- encoding indices to encodings; INIT_ENC_INDEX(enc) is the index of
- the external (protocol) specified encoding; state is
- XML_CONTENT_STATE if we're parsing an external text entity, and
- XML_PROLOG_STATE otherwise.
-*/
-
-
-static int
-initScan(const ENCODING * const *encodingTable,
- const INIT_ENCODING *enc,
- int state,
- const char *ptr,
- const char *end,
- const char **nextTokPtr)
-{
- const ENCODING **encPtr;
-
- if (ptr == end)
- return XML_TOK_NONE;
- encPtr = enc->encPtr;
- if (ptr + 1 == end) {
- /* only a single byte available for auto-detection */
-#ifndef XML_DTD /* FIXME */
- /* a well-formed document entity must have more than one byte */
- if (state != XML_CONTENT_STATE)
- return XML_TOK_PARTIAL;
-#endif
- /* so we're parsing an external text entity... */
- /* if UTF-16 was externally specified, then we need at least 2 bytes */
- switch (INIT_ENC_INDEX(enc)) {
- case UTF_16_ENC:
- case UTF_16LE_ENC:
- case UTF_16BE_ENC:
- return XML_TOK_PARTIAL;
- }
- switch ((unsigned char)*ptr) {
- case 0xFE:
- case 0xFF:
- case 0xEF: /* possibly first byte of UTF-8 BOM */
- if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC
- && state == XML_CONTENT_STATE)
- break;
- /* fall through */
- case 0x00:
- case 0x3C:
- return XML_TOK_PARTIAL;
- }
- }
- else {
- switch (((unsigned char)ptr[0] << 8) | (unsigned char)ptr[1]) {
- case 0xFEFF:
- if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC
- && state == XML_CONTENT_STATE)
- break;
- *nextTokPtr = ptr + 2;
- *encPtr = encodingTable[UTF_16BE_ENC];
- return XML_TOK_BOM;
- /* 00 3C is handled in the default case */
- case 0x3C00:
- if ((INIT_ENC_INDEX(enc) == UTF_16BE_ENC
- || INIT_ENC_INDEX(enc) == UTF_16_ENC)
- && state == XML_CONTENT_STATE)
- break;
- *encPtr = encodingTable[UTF_16LE_ENC];
- return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
- case 0xFFFE:
- if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC
- && state == XML_CONTENT_STATE)
- break;
- *nextTokPtr = ptr + 2;
- *encPtr = encodingTable[UTF_16LE_ENC];
- return XML_TOK_BOM;
- case 0xEFBB:
- /* Maybe a UTF-8 BOM (EF BB BF) */
- /* If there's an explicitly specified (external) encoding
- of ISO-8859-1 or some flavour of UTF-16
- and this is an external text entity,
- don't look for the BOM,
- because it might be a legal data.
- */
- if (state == XML_CONTENT_STATE) {
- int e = INIT_ENC_INDEX(enc);
- if (e == ISO_8859_1_ENC || e == UTF_16BE_ENC
- || e == UTF_16LE_ENC || e == UTF_16_ENC)
- break;
- }
- if (ptr + 2 == end)
- return XML_TOK_PARTIAL;
- if ((unsigned char)ptr[2] == 0xBF) {
- *nextTokPtr = ptr + 3;
- *encPtr = encodingTable[UTF_8_ENC];
- return XML_TOK_BOM;
- }
- break;
- default:
- if (ptr[0] == '\0') {
- /* 0 isn't a legal data character. Furthermore a document
- entity can only start with ASCII characters. So the only
- way this can fail to be big-endian UTF-16 if it it's an
- external parsed general entity that's labelled as
- UTF-16LE.
- */
- if (state == XML_CONTENT_STATE && INIT_ENC_INDEX(enc) == UTF_16LE_ENC)
- break;
- *encPtr = encodingTable[UTF_16BE_ENC];
- return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
- }
- else if (ptr[1] == '\0') {
- /* We could recover here in the case:
- - parsing an external entity
- - second byte is 0
- - no externally specified encoding
- - no encoding declaration
- by assuming UTF-16LE. But we don't, because this would mean when
- presented just with a single byte, we couldn't reliably determine
- whether we needed further bytes.
- */
- if (state == XML_CONTENT_STATE)
- break;
- *encPtr = encodingTable[UTF_16LE_ENC];
- return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
- }
- break;
- }
- }
- *encPtr = encodingTable[INIT_ENC_INDEX(enc)];
- return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
-}
-
-
-#define NS(x) x
-#define ns(x) x
-#define XML_TOK_NS_C
-#include "xmltok_ns.c"
-#undef XML_TOK_NS_C
-#undef NS
-#undef ns
-
-#ifdef XML_NS
-
-#define NS(x) x ## NS
-#define ns(x) x ## _ns
-
-#define XML_TOK_NS_C
-#include "xmltok_ns.c"
-#undef XML_TOK_NS_C
-
-#undef NS
-#undef ns
-
-ENCODING *
-XmlInitUnknownEncodingNS(void *mem,
- int *table,
- CONVERTER convert,
- void *userData)
-{
- ENCODING *enc = XmlInitUnknownEncoding(mem, table, convert, userData);
- if (enc)
- ((struct normal_encoding *)enc)->type[ASCII_COLON] = BT_COLON;
- return enc;
-}
-
-#endif /* XML_NS */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 01:59:38 +0100