| 1 | /* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
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| 2 | See the file COPYING for copying permission.
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| 3 | */
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| 4 |
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| 5 | #include <stddef.h>
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| 6 |
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| 7 | #ifdef COMPILED_FROM_DSP
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| 8 | #include "winconfig.h"
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| 9 | #elif defined(MACOS_CLASSIC)
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| 10 | #include "macconfig.h"
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| 11 | #elif defined(__amigaos__)
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| 12 | #include "amigaconfig.h"
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| 13 | #elif defined(__WATCOMC__)
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| 14 | #include "watcomconfig.h"
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| 15 | #else
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| 16 | #ifdef HAVE_EXPAT_CONFIG_H
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| 17 | #include <expat_config.h>
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| 18 | #endif
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| 19 | #endif /* ndef COMPILED_FROM_DSP */
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| 20 |
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| 21 | #include "expat_external.h"
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| 22 | #include "internal.h"
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| 23 | #include "xmltok.h"
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| 24 | #include "nametab.h"
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| 25 |
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| 26 | #ifdef XML_DTD
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| 27 | #define IGNORE_SECTION_TOK_VTABLE , PREFIX(ignoreSectionTok)
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| 28 | #else
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| 29 | #define IGNORE_SECTION_TOK_VTABLE /* as nothing */
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| 30 | #endif
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| 31 |
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| 32 | #define VTABLE1 \
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| 33 | { PREFIX(prologTok), PREFIX(contentTok), \
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| 34 | PREFIX(cdataSectionTok) IGNORE_SECTION_TOK_VTABLE }, \
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| 35 | { PREFIX(attributeValueTok), PREFIX(entityValueTok) }, \
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| 36 | PREFIX(sameName), \
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| 37 | PREFIX(nameMatchesAscii), \
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| 38 | PREFIX(nameLength), \
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| 39 | PREFIX(skipS), \
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| 40 | PREFIX(getAtts), \
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| 41 | PREFIX(charRefNumber), \
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| 42 | PREFIX(predefinedEntityName), \
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| 43 | PREFIX(updatePosition), \
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| 44 | PREFIX(isPublicId)
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| 45 |
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| 46 | #define VTABLE VTABLE1, PREFIX(toUtf8), PREFIX(toUtf16)
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| 47 |
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| 48 | #define UCS2_GET_NAMING(pages, hi, lo) \
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| 49 | (namingBitmap[(pages[hi] << 3) + ((lo) >> 5)] & (1 << ((lo) & 0x1F)))
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| 50 |
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| 51 | /* A 2 byte UTF-8 representation splits the characters 11 bits between
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| 52 | the bottom 5 and 6 bits of the bytes. We need 8 bits to index into
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| 53 | pages, 3 bits to add to that index and 5 bits to generate the mask.
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| 54 | */
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| 55 | #define UTF8_GET_NAMING2(pages, byte) \
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| 56 | (namingBitmap[((pages)[(((byte)[0]) >> 2) & 7] << 3) \
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| 57 | + ((((byte)[0]) & 3) << 1) \
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| 58 | + ((((byte)[1]) >> 5) & 1)] \
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| 59 | & (1 << (((byte)[1]) & 0x1F)))
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| 60 |
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| 61 | /* A 3 byte UTF-8 representation splits the characters 16 bits between
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| 62 | the bottom 4, 6 and 6 bits of the bytes. We need 8 bits to index
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| 63 | into pages, 3 bits to add to that index and 5 bits to generate the
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| 64 | mask.
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| 65 | */
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| 66 | #define UTF8_GET_NAMING3(pages, byte) \
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| 67 | (namingBitmap[((pages)[((((byte)[0]) & 0xF) << 4) \
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| 68 | + ((((byte)[1]) >> 2) & 0xF)] \
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| 69 | << 3) \
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| 70 | + ((((byte)[1]) & 3) << 1) \
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| 71 | + ((((byte)[2]) >> 5) & 1)] \
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| 72 | & (1 << (((byte)[2]) & 0x1F)))
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| 73 |
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| 74 | #define UTF8_GET_NAMING(pages, p, n) \
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| 75 | ((n) == 2 \
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| 76 | ? UTF8_GET_NAMING2(pages, (const unsigned char *)(p)) \
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| 77 | : ((n) == 3 \
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| 78 | ? UTF8_GET_NAMING3(pages, (const unsigned char *)(p)) \
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| 79 | : 0))
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| 80 |
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| 81 | /* Detection of invalid UTF-8 sequences is based on Table 3.1B
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| 82 | of Unicode 3.2: http://www.unicode.org/unicode/reports/tr28/
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| 83 | with the additional restriction of not allowing the Unicode
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| 84 | code points 0xFFFF and 0xFFFE (sequences EF,BF,BF and EF,BF,BE).
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| 85 | Implementation details:
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| 86 | (A & 0x80) == 0 means A < 0x80
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| 87 | and
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| 88 | (A & 0xC0) == 0xC0 means A > 0xBF
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| 89 | */
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| 90 |
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| 91 | #define UTF8_INVALID2(p) \
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| 92 | ((*p) < 0xC2 || ((p)[1] & 0x80) == 0 || ((p)[1] & 0xC0) == 0xC0)
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| 93 |
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| 94 | #define UTF8_INVALID3(p) \
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| 95 | (((p)[2] & 0x80) == 0 \
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| 96 | || \
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| 97 | ((*p) == 0xEF && (p)[1] == 0xBF \
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| 98 | ? \
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| 99 | (p)[2] > 0xBD \
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| 100 | : \
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| 101 | ((p)[2] & 0xC0) == 0xC0) \
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| 102 | || \
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| 103 | ((*p) == 0xE0 \
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| 104 | ? \
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| 105 | (p)[1] < 0xA0 || ((p)[1] & 0xC0) == 0xC0 \
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| 106 | : \
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| 107 | ((p)[1] & 0x80) == 0 \
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| 108 | || \
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| 109 | ((*p) == 0xED ? (p)[1] > 0x9F : ((p)[1] & 0xC0) == 0xC0)))
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| 110 |
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| 111 | #define UTF8_INVALID4(p) \
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| 112 | (((p)[3] & 0x80) == 0 || ((p)[3] & 0xC0) == 0xC0 \
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| 113 | || \
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| 114 | ((p)[2] & 0x80) == 0 || ((p)[2] & 0xC0) == 0xC0 \
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| 115 | || \
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| 116 | ((*p) == 0xF0 \
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| 117 | ? \
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| 118 | (p)[1] < 0x90 || ((p)[1] & 0xC0) == 0xC0 \
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| 119 | : \
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| 120 | ((p)[1] & 0x80) == 0 \
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| 121 | || \
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| 122 | ((*p) == 0xF4 ? (p)[1] > 0x8F : ((p)[1] & 0xC0) == 0xC0)))
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| 123 |
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| 124 | static int PTRFASTCALL
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| 125 | isNever(const ENCODING *enc, const char *p)
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| 126 | {
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| 127 | return 0;
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| 128 | }
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| 129 |
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| 130 | static int PTRFASTCALL
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| 131 | utf8_isName2(const ENCODING *enc, const char *p)
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| 132 | {
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| 133 | return UTF8_GET_NAMING2(namePages, (const unsigned char *)p);
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| 134 | }
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| 135 |
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| 136 | static int PTRFASTCALL
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| 137 | utf8_isName3(const ENCODING *enc, const char *p)
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| 138 | {
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| 139 | return UTF8_GET_NAMING3(namePages, (const unsigned char *)p);
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| 140 | }
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| 141 |
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| 142 | #define utf8_isName4 isNever
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| 143 |
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| 144 | static int PTRFASTCALL
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| 145 | utf8_isNmstrt2(const ENCODING *enc, const char *p)
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| 146 | {
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| 147 | return UTF8_GET_NAMING2(nmstrtPages, (const unsigned char *)p);
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| 148 | }
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| 149 |
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| 150 | static int PTRFASTCALL
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| 151 | utf8_isNmstrt3(const ENCODING *enc, const char *p)
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| 152 | {
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| 153 | return UTF8_GET_NAMING3(nmstrtPages, (const unsigned char *)p);
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| 154 | }
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| 155 |
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| 156 | #define utf8_isNmstrt4 isNever
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| 157 |
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| 158 | static int PTRFASTCALL
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| 159 | utf8_isInvalid2(const ENCODING *enc, const char *p)
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| 160 | {
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| 161 | return UTF8_INVALID2((const unsigned char *)p);
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| 162 | }
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| 163 |
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| 164 | static int PTRFASTCALL
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| 165 | utf8_isInvalid3(const ENCODING *enc, const char *p)
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| 166 | {
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| 167 | return UTF8_INVALID3((const unsigned char *)p);
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| 168 | }
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| 169 |
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| 170 | static int PTRFASTCALL
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| 171 | utf8_isInvalid4(const ENCODING *enc, const char *p)
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| 172 | {
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| 173 | return UTF8_INVALID4((const unsigned char *)p);
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| 174 | }
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| 175 |
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| 176 | struct normal_encoding {
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| 177 | ENCODING enc;
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| 178 | unsigned char type[256];
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| 179 | #ifdef XML_MIN_SIZE
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| 180 | int (PTRFASTCALL *byteType)(const ENCODING *, const char *);
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| 181 | int (PTRFASTCALL *isNameMin)(const ENCODING *, const char *);
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| 182 | int (PTRFASTCALL *isNmstrtMin)(const ENCODING *, const char *);
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| 183 | int (PTRFASTCALL *byteToAscii)(const ENCODING *, const char *);
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| 184 | int (PTRCALL *charMatches)(const ENCODING *, const char *, int);
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| 185 | #endif /* XML_MIN_SIZE */
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| 186 | int (PTRFASTCALL *isName2)(const ENCODING *, const char *);
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| 187 | int (PTRFASTCALL *isName3)(const ENCODING *, const char *);
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| 188 | int (PTRFASTCALL *isName4)(const ENCODING *, const char *);
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| 189 | int (PTRFASTCALL *isNmstrt2)(const ENCODING *, const char *);
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| 190 | int (PTRFASTCALL *isNmstrt3)(const ENCODING *, const char *);
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| 191 | int (PTRFASTCALL *isNmstrt4)(const ENCODING *, const char *);
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| 192 | int (PTRFASTCALL *isInvalid2)(const ENCODING *, const char *);
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| 193 | int (PTRFASTCALL *isInvalid3)(const ENCODING *, const char *);
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| 194 | int (PTRFASTCALL *isInvalid4)(const ENCODING *, const char *);
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| 195 | };
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| 196 |
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| 197 | #define AS_NORMAL_ENCODING(enc) ((const struct normal_encoding *) (enc))
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| 198 |
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| 199 | #ifdef XML_MIN_SIZE
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| 200 |
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| 201 | #define STANDARD_VTABLE(E) \
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| 202 | E ## byteType, \
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| 203 | E ## isNameMin, \
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| 204 | E ## isNmstrtMin, \
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| 205 | E ## byteToAscii, \
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| 206 | E ## charMatches,
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| 207 |
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| 208 | #else
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| 209 |
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| 210 | #define STANDARD_VTABLE(E) /* as nothing */
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| 211 |
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| 212 | #endif
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| 213 |
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| 214 | #define NORMAL_VTABLE(E) \
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| 215 | E ## isName2, \
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| 216 | E ## isName3, \
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| 217 | E ## isName4, \
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| 218 | E ## isNmstrt2, \
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| 219 | E ## isNmstrt3, \
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| 220 | E ## isNmstrt4, \
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| 221 | E ## isInvalid2, \
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| 222 | E ## isInvalid3, \
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| 223 | E ## isInvalid4
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| 224 |
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| 225 | static int FASTCALL checkCharRefNumber(int);
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| 226 |
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| 227 | #include "xmltok_impl.h"
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| 228 | #include "ascii.h"
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| 229 |
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| 230 | #ifdef XML_MIN_SIZE
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| 231 | #define sb_isNameMin isNever
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| 232 | #define sb_isNmstrtMin isNever
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| 233 | #endif
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| 234 |
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| 235 | #ifdef XML_MIN_SIZE
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| 236 | #define MINBPC(enc) ((enc)->minBytesPerChar)
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| 237 | #else
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| 238 | /* minimum bytes per character */
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| 239 | #define MINBPC(enc) 1
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| 240 | #endif
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| 241 |
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| 242 | #define SB_BYTE_TYPE(enc, p) \
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| 243 | (((struct normal_encoding *)(enc))->type[(unsigned char)*(p)])
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| 244 |
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| 245 | #ifdef XML_MIN_SIZE
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| 246 | static int PTRFASTCALL
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| 247 | sb_byteType(const ENCODING *enc, const char *p)
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| 248 | {
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| 249 | return SB_BYTE_TYPE(enc, p);
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| 250 | }
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| 251 | #define BYTE_TYPE(enc, p) \
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| 252 | (AS_NORMAL_ENCODING(enc)->byteType(enc, p))
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| 253 | #else
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| 254 | #define BYTE_TYPE(enc, p) SB_BYTE_TYPE(enc, p)
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| 255 | #endif
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| 256 |
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| 257 | #ifdef XML_MIN_SIZE
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| 258 | #define BYTE_TO_ASCII(enc, p) \
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| 259 | (AS_NORMAL_ENCODING(enc)->byteToAscii(enc, p))
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| 260 | static int PTRFASTCALL
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| 261 | sb_byteToAscii(const ENCODING *enc, const char *p)
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| 262 | {
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| 263 | return *p;
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| 264 | }
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| 265 | #else
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| 266 | #define BYTE_TO_ASCII(enc, p) (*(p))
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| 267 | #endif
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| 268 |
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| 269 | #define IS_NAME_CHAR(enc, p, n) \
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| 270 | (AS_NORMAL_ENCODING(enc)->isName ## n(enc, p))
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| 271 | #define IS_NMSTRT_CHAR(enc, p, n) \
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| 272 | (AS_NORMAL_ENCODING(enc)->isNmstrt ## n(enc, p))
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| 273 | #define IS_INVALID_CHAR(enc, p, n) \
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| 274 | (AS_NORMAL_ENCODING(enc)->isInvalid ## n(enc, p))
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| 275 |
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| 276 | #ifdef XML_MIN_SIZE
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| 277 | #define IS_NAME_CHAR_MINBPC(enc, p) \
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| 278 | (AS_NORMAL_ENCODING(enc)->isNameMin(enc, p))
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| 279 | #define IS_NMSTRT_CHAR_MINBPC(enc, p) \
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| 280 | (AS_NORMAL_ENCODING(enc)->isNmstrtMin(enc, p))
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| 281 | #else
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| 282 | #define IS_NAME_CHAR_MINBPC(enc, p) (0)
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| 283 | #define IS_NMSTRT_CHAR_MINBPC(enc, p) (0)
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| 284 | #endif
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| 285 |
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| 286 | #ifdef XML_MIN_SIZE
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| 287 | #define CHAR_MATCHES(enc, p, c) \
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| 288 | (AS_NORMAL_ENCODING(enc)->charMatches(enc, p, c))
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| 289 | static int PTRCALL
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| 290 | sb_charMatches(const ENCODING *enc, const char *p, int c)
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| 291 | {
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| 292 | return *p == c;
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| 293 | }
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| 294 | #else
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| 295 | /* c is an ASCII character */
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| 296 | #define CHAR_MATCHES(enc, p, c) (*(p) == c)
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| 297 | #endif
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| 298 |
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| 299 | #define PREFIX(ident) normal_ ## ident
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| 300 | #define XML_TOK_IMPL_C
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| 301 | #include "xmltok_impl.c"
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| 302 | #undef XML_TOK_IMPL_C
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| 303 |
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| 304 | #undef MINBPC
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| 305 | #undef BYTE_TYPE
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| 306 | #undef BYTE_TO_ASCII
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| 307 | #undef CHAR_MATCHES
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| 308 | #undef IS_NAME_CHAR
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| 309 | #undef IS_NAME_CHAR_MINBPC
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| 310 | #undef IS_NMSTRT_CHAR
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| 311 | #undef IS_NMSTRT_CHAR_MINBPC
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| 312 | #undef IS_INVALID_CHAR
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| 313 |
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| 314 | enum { /* UTF8_cvalN is value of masked first byte of N byte sequence */
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| 315 | UTF8_cval1 = 0x00,
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| 316 | UTF8_cval2 = 0xc0,
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| 317 | UTF8_cval3 = 0xe0,
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| 318 | UTF8_cval4 = 0xf0
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| 319 | };
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| 320 |
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| 321 | static void PTRCALL
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| 322 | utf8_toUtf8(const ENCODING *enc,
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| 323 | const char **fromP, const char *fromLim,
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| 324 | char **toP, const char *toLim)
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| 325 | {
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| 326 | char *to;
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| 327 | const char *from;
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| 328 | if (fromLim - *fromP > toLim - *toP) {
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| 329 | /* Avoid copying partial characters. */
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| 330 | for (fromLim = *fromP + (toLim - *toP); fromLim > *fromP; fromLim--)
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| 331 | if (((unsigned char)fromLim[-1] & 0xc0) != 0x80)
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| 332 | break;
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| 333 | }
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| 334 | for (to = *toP, from = *fromP; from != fromLim; from++, to++)
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| 335 | *to = *from;
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| 336 | *fromP = from;
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| 337 | *toP = to;
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| 338 | }
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| 339 |
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| 340 | static void PTRCALL
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| 341 | utf8_toUtf16(const ENCODING *enc,
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| 342 | const char **fromP, const char *fromLim,
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| 343 | unsigned short **toP, const unsigned short *toLim)
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| 344 | {
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| 345 | unsigned short *to = *toP;
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| 346 | const char *from = *fromP;
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| 347 | while (from != fromLim && to != toLim) {
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| 348 | switch (((struct normal_encoding *)enc)->type[(unsigned char)*from]) {
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| 349 | case BT_LEAD2:
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| 350 | *to++ = (unsigned short)(((from[0] & 0x1f) << 6) | (from[1] & 0x3f));
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| 351 | from += 2;
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| 352 | break;
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| 353 | case BT_LEAD3:
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| 354 | *to++ = (unsigned short)(((from[0] & 0xf) << 12)
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| 355 | | ((from[1] & 0x3f) << 6) | (from[2] & 0x3f));
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| 356 | from += 3;
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| 357 | break;
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| 358 | case BT_LEAD4:
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| 359 | {
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| 360 | unsigned long n;
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| 361 | if (to + 1 == toLim)
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| 362 | goto after;
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| 363 | n = ((from[0] & 0x7) << 18) | ((from[1] & 0x3f) << 12)
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| 364 | | ((from[2] & 0x3f) << 6) | (from[3] & 0x3f);
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| 365 | n -= 0x10000;
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| 366 | to[0] = (unsigned short)((n >> 10) | 0xD800);
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| 367 | to[1] = (unsigned short)((n & 0x3FF) | 0xDC00);
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| 368 | to += 2;
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| 369 | from += 4;
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| 370 | }
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| 371 | break;
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| 372 | default:
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| 373 | *to++ = *from++;
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| 374 | break;
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| 375 | }
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| 376 | }
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| 377 | after:
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| 378 | *fromP = from;
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| 379 | *toP = to;
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| 380 | }
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| 381 |
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| 382 | #ifdef XML_NS
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| 383 | static const struct normal_encoding utf8_encoding_ns = {
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| 384 | { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
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| 385 | {
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| 386 | #include "asciitab.h"
|
|---|
| 387 | #include "utf8tab.h"
|
|---|
| 388 | },
|
|---|
| 389 | STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
|
|---|
| 390 | };
|
|---|
| 391 | #endif
|
|---|
| 392 |
|
|---|
| 393 | static const struct normal_encoding utf8_encoding = {
|
|---|
| 394 | { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
|
|---|
| 395 | {
|
|---|
| 396 | #define BT_COLON BT_NMSTRT
|
|---|
| 397 | #include "asciitab.h"
|
|---|
| 398 | #undef BT_COLON
|
|---|
| 399 | #include "utf8tab.h"
|
|---|
| 400 | },
|
|---|
| 401 | STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
|
|---|
| 402 | };
|
|---|
| 403 |
|
|---|
| 404 | #ifdef XML_NS
|
|---|
| 405 |
|
|---|
| 406 | static const struct normal_encoding internal_utf8_encoding_ns = {
|
|---|
| 407 | { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
|
|---|
| 408 | {
|
|---|
| 409 | #include "iasciitab.h"
|
|---|
| 410 | #include "utf8tab.h"
|
|---|
| 411 | },
|
|---|
| 412 | STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
|
|---|
| 413 | };
|
|---|
| 414 |
|
|---|
| 415 | #endif
|
|---|
| 416 |
|
|---|
| 417 | static const struct normal_encoding internal_utf8_encoding = {
|
|---|
| 418 | { VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0 },
|
|---|
| 419 | {
|
|---|
| 420 | #define BT_COLON BT_NMSTRT
|
|---|
| 421 | #include "iasciitab.h"
|
|---|
| 422 | #undef BT_COLON
|
|---|
| 423 | #include "utf8tab.h"
|
|---|
| 424 | },
|
|---|
| 425 | STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)
|
|---|
| 426 | };
|
|---|
| 427 |
|
|---|
| 428 | static void PTRCALL
|
|---|
| 429 | latin1_toUtf8(const ENCODING *enc,
|
|---|
| 430 | const char **fromP, const char *fromLim,
|
|---|
| 431 | char **toP, const char *toLim)
|
|---|
| 432 | {
|
|---|
| 433 | for (;;) {
|
|---|
| 434 | unsigned char c;
|
|---|
| 435 | if (*fromP == fromLim)
|
|---|
| 436 | break;
|
|---|
| 437 | c = (unsigned char)**fromP;
|
|---|
| 438 | if (c & 0x80) {
|
|---|
| 439 | if (toLim - *toP < 2)
|
|---|
| 440 | break;
|
|---|
| 441 | *(*toP)++ = (char)((c >> 6) | UTF8_cval2);
|
|---|
| 442 | *(*toP)++ = (char)((c & 0x3f) | 0x80);
|
|---|
| 443 | (*fromP)++;
|
|---|
| 444 | }
|
|---|
| 445 | else {
|
|---|
| 446 | if (*toP == toLim)
|
|---|
| 447 | break;
|
|---|
| 448 | *(*toP)++ = *(*fromP)++;
|
|---|
| 449 | }
|
|---|
| 450 | }
|
|---|
| 451 | }
|
|---|
| 452 |
|
|---|
| 453 | static void PTRCALL
|
|---|
| 454 | latin1_toUtf16(const ENCODING *enc,
|
|---|
| 455 | const char **fromP, const char *fromLim,
|
|---|
| 456 | unsigned short **toP, const unsigned short *toLim)
|
|---|
| 457 | {
|
|---|
| 458 | while (*fromP != fromLim && *toP != toLim)
|
|---|
| 459 | *(*toP)++ = (unsigned char)*(*fromP)++;
|
|---|
| 460 | }
|
|---|
| 461 |
|
|---|
| 462 | #ifdef XML_NS
|
|---|
| 463 |
|
|---|
| 464 | static const struct normal_encoding latin1_encoding_ns = {
|
|---|
| 465 | { VTABLE1, latin1_toUtf8, latin1_toUtf16, 1, 0, 0 },
|
|---|
| 466 | {
|
|---|
| 467 | #include "asciitab.h"
|
|---|
| 468 | #include "latin1tab.h"
|
|---|
| 469 | },
|
|---|
| 470 | STANDARD_VTABLE(sb_)
|
|---|
| 471 | };
|
|---|
| 472 |
|
|---|
| 473 | #endif
|
|---|
| 474 |
|
|---|
| 475 | static const struct normal_encoding latin1_encoding = {
|
|---|
| 476 | { VTABLE1, latin1_toUtf8, latin1_toUtf16, 1, 0, 0 },
|
|---|
| 477 | {
|
|---|
| 478 | #define BT_COLON BT_NMSTRT
|
|---|
| 479 | #include "asciitab.h"
|
|---|
| 480 | #undef BT_COLON
|
|---|
| 481 | #include "latin1tab.h"
|
|---|
| 482 | },
|
|---|
| 483 | STANDARD_VTABLE(sb_)
|
|---|
| 484 | };
|
|---|
| 485 |
|
|---|
| 486 | static void PTRCALL
|
|---|
| 487 | ascii_toUtf8(const ENCODING *enc,
|
|---|
| 488 | const char **fromP, const char *fromLim,
|
|---|
| 489 | char **toP, const char *toLim)
|
|---|
| 490 | {
|
|---|
| 491 | while (*fromP != fromLim && *toP != toLim)
|
|---|
| 492 | *(*toP)++ = *(*fromP)++;
|
|---|
| 493 | }
|
|---|
| 494 |
|
|---|
| 495 | #ifdef XML_NS
|
|---|
| 496 |
|
|---|
| 497 | static const struct normal_encoding ascii_encoding_ns = {
|
|---|
| 498 | { VTABLE1, ascii_toUtf8, latin1_toUtf16, 1, 1, 0 },
|
|---|
| 499 | {
|
|---|
| 500 | #include "asciitab.h"
|
|---|
| 501 | /* BT_NONXML == 0 */
|
|---|
| 502 | },
|
|---|
| 503 | STANDARD_VTABLE(sb_)
|
|---|
| 504 | };
|
|---|
| 505 |
|
|---|
| 506 | #endif
|
|---|
| 507 |
|
|---|
| 508 | static const struct normal_encoding ascii_encoding = {
|
|---|
| 509 | { VTABLE1, ascii_toUtf8, latin1_toUtf16, 1, 1, 0 },
|
|---|
| 510 | {
|
|---|
| 511 | #define BT_COLON BT_NMSTRT
|
|---|
| 512 | #include "asciitab.h"
|
|---|
| 513 | #undef BT_COLON
|
|---|
| 514 | /* BT_NONXML == 0 */
|
|---|
| 515 | },
|
|---|
| 516 | STANDARD_VTABLE(sb_)
|
|---|
| 517 | };
|
|---|
| 518 |
|
|---|
| 519 | static int PTRFASTCALL
|
|---|
| 520 | unicode_byte_type(char hi, char lo)
|
|---|
| 521 | {
|
|---|
| 522 | switch ((unsigned char)hi) {
|
|---|
| 523 | case 0xD8: case 0xD9: case 0xDA: case 0xDB:
|
|---|
| 524 | return BT_LEAD4;
|
|---|
| 525 | case 0xDC: case 0xDD: case 0xDE: case 0xDF:
|
|---|
| 526 | return BT_TRAIL;
|
|---|
| 527 | case 0xFF:
|
|---|
| 528 | switch ((unsigned char)lo) {
|
|---|
| 529 | case 0xFF:
|
|---|
| 530 | case 0xFE:
|
|---|
| 531 | return BT_NONXML;
|
|---|
| 532 | }
|
|---|
| 533 | break;
|
|---|
| 534 | }
|
|---|
| 535 | return BT_NONASCII;
|
|---|
| 536 | }
|
|---|
| 537 |
|
|---|
| 538 | #define DEFINE_UTF16_TO_UTF8(E) \
|
|---|
| 539 | static void PTRCALL \
|
|---|
| 540 | E ## toUtf8(const ENCODING *enc, \
|
|---|
| 541 | const char **fromP, const char *fromLim, \
|
|---|
| 542 | char **toP, const char *toLim) \
|
|---|
| 543 | { \
|
|---|
| 544 | const char *from; \
|
|---|
| 545 | for (from = *fromP; from != fromLim; from += 2) { \
|
|---|
| 546 | int plane; \
|
|---|
| 547 | unsigned char lo2; \
|
|---|
| 548 | unsigned char lo = GET_LO(from); \
|
|---|
| 549 | unsigned char hi = GET_HI(from); \
|
|---|
| 550 | switch (hi) { \
|
|---|
| 551 | case 0: \
|
|---|
| 552 | if (lo < 0x80) { \
|
|---|
| 553 | if (*toP == toLim) { \
|
|---|
| 554 | *fromP = from; \
|
|---|
| 555 | return; \
|
|---|
| 556 | } \
|
|---|
| 557 | *(*toP)++ = lo; \
|
|---|
| 558 | break; \
|
|---|
| 559 | } \
|
|---|
| 560 | /* fall through */ \
|
|---|
| 561 | case 0x1: case 0x2: case 0x3: \
|
|---|
| 562 | case 0x4: case 0x5: case 0x6: case 0x7: \
|
|---|
| 563 | if (toLim - *toP < 2) { \
|
|---|
| 564 | *fromP = from; \
|
|---|
| 565 | return; \
|
|---|
| 566 | } \
|
|---|
| 567 | *(*toP)++ = ((lo >> 6) | (hi << 2) | UTF8_cval2); \
|
|---|
| 568 | *(*toP)++ = ((lo & 0x3f) | 0x80); \
|
|---|
| 569 | break; \
|
|---|
| 570 | default: \
|
|---|
| 571 | if (toLim - *toP < 3) { \
|
|---|
| 572 | *fromP = from; \
|
|---|
| 573 | return; \
|
|---|
| 574 | } \
|
|---|
| 575 | /* 16 bits divided 4, 6, 6 amongst 3 bytes */ \
|
|---|
| 576 | *(*toP)++ = ((hi >> 4) | UTF8_cval3); \
|
|---|
| 577 | *(*toP)++ = (((hi & 0xf) << 2) | (lo >> 6) | 0x80); \
|
|---|
| 578 | *(*toP)++ = ((lo & 0x3f) | 0x80); \
|
|---|
| 579 | break; \
|
|---|
| 580 | case 0xD8: case 0xD9: case 0xDA: case 0xDB: \
|
|---|
| 581 | if (toLim - *toP < 4) { \
|
|---|
| 582 | *fromP = from; \
|
|---|
| 583 | return; \
|
|---|
| 584 | } \
|
|---|
| 585 | plane = (((hi & 0x3) << 2) | ((lo >> 6) & 0x3)) + 1; \
|
|---|
| 586 | *(*toP)++ = ((plane >> 2) | UTF8_cval4); \
|
|---|
| 587 | *(*toP)++ = (((lo >> 2) & 0xF) | ((plane & 0x3) << 4) | 0x80); \
|
|---|
| 588 | from += 2; \
|
|---|
| 589 | lo2 = GET_LO(from); \
|
|---|
| 590 | *(*toP)++ = (((lo & 0x3) << 4) \
|
|---|
| 591 | | ((GET_HI(from) & 0x3) << 2) \
|
|---|
| 592 | | (lo2 >> 6) \
|
|---|
| 593 | | 0x80); \
|
|---|
| 594 | *(*toP)++ = ((lo2 & 0x3f) | 0x80); \
|
|---|
| 595 | break; \
|
|---|
| 596 | } \
|
|---|
| 597 | } \
|
|---|
| 598 | *fromP = from; \
|
|---|
| 599 | }
|
|---|
| 600 |
|
|---|
| 601 | #define DEFINE_UTF16_TO_UTF16(E) \
|
|---|
| 602 | static void PTRCALL \
|
|---|
| 603 | E ## toUtf16(const ENCODING *enc, \
|
|---|
| 604 | const char **fromP, const char *fromLim, \
|
|---|
| 605 | unsigned short **toP, const unsigned short *toLim) \
|
|---|
| 606 | { \
|
|---|
| 607 | /* Avoid copying first half only of surrogate */ \
|
|---|
| 608 | if (fromLim - *fromP > ((toLim - *toP) << 1) \
|
|---|
| 609 | && (GET_HI(fromLim - 2) & 0xF8) == 0xD8) \
|
|---|
| 610 | fromLim -= 2; \
|
|---|
| 611 | for (; *fromP != fromLim && *toP != toLim; *fromP += 2) \
|
|---|
| 612 | *(*toP)++ = (GET_HI(*fromP) << 8) | GET_LO(*fromP); \
|
|---|
| 613 | }
|
|---|
| 614 |
|
|---|
| 615 | #define SET2(ptr, ch) \
|
|---|
| 616 | (((ptr)[0] = ((ch) & 0xff)), ((ptr)[1] = ((ch) >> 8)))
|
|---|
| 617 | #define GET_LO(ptr) ((unsigned char)(ptr)[0])
|
|---|
| 618 | #define GET_HI(ptr) ((unsigned char)(ptr)[1])
|
|---|
| 619 |
|
|---|
| 620 | DEFINE_UTF16_TO_UTF8(little2_)
|
|---|
| 621 | DEFINE_UTF16_TO_UTF16(little2_)
|
|---|
| 622 |
|
|---|
| 623 | #undef SET2
|
|---|
| 624 | #undef GET_LO
|
|---|
| 625 | #undef GET_HI
|
|---|
| 626 |
|
|---|
| 627 | #define SET2(ptr, ch) \
|
|---|
| 628 | (((ptr)[0] = ((ch) >> 8)), ((ptr)[1] = ((ch) & 0xFF)))
|
|---|
| 629 | #define GET_LO(ptr) ((unsigned char)(ptr)[1])
|
|---|
| 630 | #define GET_HI(ptr) ((unsigned char)(ptr)[0])
|
|---|
| 631 |
|
|---|
| 632 | DEFINE_UTF16_TO_UTF8(big2_)
|
|---|
| 633 | DEFINE_UTF16_TO_UTF16(big2_)
|
|---|
| 634 |
|
|---|
| 635 | #undef SET2
|
|---|
| 636 | #undef GET_LO
|
|---|
| 637 | #undef GET_HI
|
|---|
| 638 |
|
|---|
| 639 | #define LITTLE2_BYTE_TYPE(enc, p) \
|
|---|
| 640 | ((p)[1] == 0 \
|
|---|
| 641 | ? ((struct normal_encoding *)(enc))->type[(unsigned char)*(p)] \
|
|---|
| 642 | : unicode_byte_type((p)[1], (p)[0]))
|
|---|
| 643 | #define LITTLE2_BYTE_TO_ASCII(enc, p) ((p)[1] == 0 ? (p)[0] : -1)
|
|---|
| 644 | #define LITTLE2_CHAR_MATCHES(enc, p, c) ((p)[1] == 0 && (p)[0] == c)
|
|---|
| 645 | #define LITTLE2_IS_NAME_CHAR_MINBPC(enc, p) \
|
|---|
| 646 | UCS2_GET_NAMING(namePages, (unsigned char)p[1], (unsigned char)p[0])
|
|---|
| 647 | #define LITTLE2_IS_NMSTRT_CHAR_MINBPC(enc, p) \
|
|---|
| 648 | UCS2_GET_NAMING(nmstrtPages, (unsigned char)p[1], (unsigned char)p[0])
|
|---|
| 649 |
|
|---|
| 650 | #ifdef XML_MIN_SIZE
|
|---|
| 651 |
|
|---|
| 652 | static int PTRFASTCALL
|
|---|
| 653 | little2_byteType(const ENCODING *enc, const char *p)
|
|---|
| 654 | {
|
|---|
| 655 | return LITTLE2_BYTE_TYPE(enc, p);
|
|---|
| 656 | }
|
|---|
| 657 |
|
|---|
| 658 | static int PTRFASTCALL
|
|---|
| 659 | little2_byteToAscii(const ENCODING *enc, const char *p)
|
|---|
| 660 | {
|
|---|
| 661 | return LITTLE2_BYTE_TO_ASCII(enc, p);
|
|---|
| 662 | }
|
|---|
| 663 |
|
|---|
| 664 | static int PTRCALL
|
|---|
| 665 | little2_charMatches(const ENCODING *enc, const char *p, int c)
|
|---|
| 666 | {
|
|---|
| 667 | return LITTLE2_CHAR_MATCHES(enc, p, c);
|
|---|
| 668 | }
|
|---|
| 669 |
|
|---|
| 670 | static int PTRFASTCALL
|
|---|
| 671 | little2_isNameMin(const ENCODING *enc, const char *p)
|
|---|
| 672 | {
|
|---|
| 673 | return LITTLE2_IS_NAME_CHAR_MINBPC(enc, p);
|
|---|
| 674 | }
|
|---|
| 675 |
|
|---|
| 676 | static int PTRFASTCALL
|
|---|
| 677 | little2_isNmstrtMin(const ENCODING *enc, const char *p)
|
|---|
| 678 | {
|
|---|
| 679 | return LITTLE2_IS_NMSTRT_CHAR_MINBPC(enc, p);
|
|---|
| 680 | }
|
|---|
| 681 |
|
|---|
| 682 | #undef VTABLE
|
|---|
| 683 | #define VTABLE VTABLE1, little2_toUtf8, little2_toUtf16
|
|---|
| 684 |
|
|---|
| 685 | #else /* not XML_MIN_SIZE */
|
|---|
| 686 |
|
|---|
| 687 | #undef PREFIX
|
|---|
| 688 | #define PREFIX(ident) little2_ ## ident
|
|---|
| 689 | #define MINBPC(enc) 2
|
|---|
| 690 | /* CHAR_MATCHES is guaranteed to have MINBPC bytes available. */
|
|---|
| 691 | #define BYTE_TYPE(enc, p) LITTLE2_BYTE_TYPE(enc, p)
|
|---|
| 692 | #define BYTE_TO_ASCII(enc, p) LITTLE2_BYTE_TO_ASCII(enc, p)
|
|---|
| 693 | #define CHAR_MATCHES(enc, p, c) LITTLE2_CHAR_MATCHES(enc, p, c)
|
|---|
| 694 | #define IS_NAME_CHAR(enc, p, n) 0
|
|---|
| 695 | #define IS_NAME_CHAR_MINBPC(enc, p) LITTLE2_IS_NAME_CHAR_MINBPC(enc, p)
|
|---|
| 696 | #define IS_NMSTRT_CHAR(enc, p, n) (0)
|
|---|
| 697 | #define IS_NMSTRT_CHAR_MINBPC(enc, p) LITTLE2_IS_NMSTRT_CHAR_MINBPC(enc, p)
|
|---|
| 698 |
|
|---|
| 699 | #define XML_TOK_IMPL_C
|
|---|
| 700 | #include "xmltok_impl.c"
|
|---|
| 701 | #undef XML_TOK_IMPL_C
|
|---|
| 702 |
|
|---|
| 703 | #undef MINBPC
|
|---|
| 704 | #undef BYTE_TYPE
|
|---|
| 705 | #undef BYTE_TO_ASCII
|
|---|
| 706 | #undef CHAR_MATCHES
|
|---|
| 707 | #undef IS_NAME_CHAR
|
|---|
| 708 | #undef IS_NAME_CHAR_MINBPC
|
|---|
| 709 | #undef IS_NMSTRT_CHAR
|
|---|
| 710 | #undef IS_NMSTRT_CHAR_MINBPC
|
|---|
| 711 | #undef IS_INVALID_CHAR
|
|---|
| 712 |
|
|---|
| 713 | #endif /* not XML_MIN_SIZE */
|
|---|
| 714 |
|
|---|
| 715 | #ifdef XML_NS
|
|---|
| 716 |
|
|---|
| 717 | static const struct normal_encoding little2_encoding_ns = {
|
|---|
| 718 | { VTABLE, 2, 0,
|
|---|
| 719 | #if BYTEORDER == 1234
|
|---|
| 720 | 1
|
|---|
| 721 | #else
|
|---|
| 722 | 0
|
|---|
| 723 | #endif
|
|---|
| 724 | },
|
|---|
| 725 | {
|
|---|
| 726 | #include "asciitab.h"
|
|---|
| 727 | #include "latin1tab.h"
|
|---|
| 728 | },
|
|---|
| 729 | STANDARD_VTABLE(little2_)
|
|---|
| 730 | };
|
|---|
| 731 |
|
|---|
| 732 | #endif
|
|---|
| 733 |
|
|---|
| 734 | static const struct normal_encoding little2_encoding = {
|
|---|
| 735 | { VTABLE, 2, 0,
|
|---|
| 736 | #if BYTEORDER == 1234
|
|---|
| 737 | 1
|
|---|
| 738 | #else
|
|---|
| 739 | 0
|
|---|
| 740 | #endif
|
|---|
| 741 | },
|
|---|
| 742 | {
|
|---|
| 743 | #define BT_COLON BT_NMSTRT
|
|---|
| 744 | #include "asciitab.h"
|
|---|
| 745 | #undef BT_COLON
|
|---|
| 746 | #include "latin1tab.h"
|
|---|
| 747 | },
|
|---|
| 748 | STANDARD_VTABLE(little2_)
|
|---|
| 749 | };
|
|---|
| 750 |
|
|---|
| 751 | #if BYTEORDER != 4321
|
|---|
| 752 |
|
|---|
| 753 | #ifdef XML_NS
|
|---|
| 754 |
|
|---|
| 755 | static const struct normal_encoding internal_little2_encoding_ns = {
|
|---|
| 756 | { VTABLE, 2, 0, 1 },
|
|---|
| 757 | {
|
|---|
| 758 | #include "iasciitab.h"
|
|---|
| 759 | #include "latin1tab.h"
|
|---|
| 760 | },
|
|---|
| 761 | STANDARD_VTABLE(little2_)
|
|---|
| 762 | };
|
|---|
| 763 |
|
|---|
| 764 | #endif
|
|---|
| 765 |
|
|---|
| 766 | static const struct normal_encoding internal_little2_encoding = {
|
|---|
| 767 | { VTABLE, 2, 0, 1 },
|
|---|
| 768 | {
|
|---|
| 769 | #define BT_COLON BT_NMSTRT
|
|---|
| 770 | #include "iasciitab.h"
|
|---|
| 771 | #undef BT_COLON
|
|---|
| 772 | #include "latin1tab.h"
|
|---|
| 773 | },
|
|---|
| 774 | STANDARD_VTABLE(little2_)
|
|---|
| 775 | };
|
|---|
| 776 |
|
|---|
| 777 | #endif
|
|---|
| 778 |
|
|---|
| 779 |
|
|---|
| 780 | #define BIG2_BYTE_TYPE(enc, p) \
|
|---|
| 781 | ((p)[0] == 0 \
|
|---|
| 782 | ? ((struct normal_encoding *)(enc))->type[(unsigned char)(p)[1]] \
|
|---|
| 783 | : unicode_byte_type((p)[0], (p)[1]))
|
|---|
| 784 | #define BIG2_BYTE_TO_ASCII(enc, p) ((p)[0] == 0 ? (p)[1] : -1)
|
|---|
| 785 | #define BIG2_CHAR_MATCHES(enc, p, c) ((p)[0] == 0 && (p)[1] == c)
|
|---|
| 786 | #define BIG2_IS_NAME_CHAR_MINBPC(enc, p) \
|
|---|
| 787 | UCS2_GET_NAMING(namePages, (unsigned char)p[0], (unsigned char)p[1])
|
|---|
| 788 | #define BIG2_IS_NMSTRT_CHAR_MINBPC(enc, p) \
|
|---|
| 789 | UCS2_GET_NAMING(nmstrtPages, (unsigned char)p[0], (unsigned char)p[1])
|
|---|
| 790 |
|
|---|
| 791 | #ifdef XML_MIN_SIZE
|
|---|
| 792 |
|
|---|
| 793 | static int PTRFASTCALL
|
|---|
| 794 | big2_byteType(const ENCODING *enc, const char *p)
|
|---|
| 795 | {
|
|---|
| 796 | return BIG2_BYTE_TYPE(enc, p);
|
|---|
| 797 | }
|
|---|
| 798 |
|
|---|
| 799 | static int PTRFASTCALL
|
|---|
| 800 | big2_byteToAscii(const ENCODING *enc, const char *p)
|
|---|
| 801 | {
|
|---|
| 802 | return BIG2_BYTE_TO_ASCII(enc, p);
|
|---|
| 803 | }
|
|---|
| 804 |
|
|---|
| 805 | static int PTRCALL
|
|---|
| 806 | big2_charMatches(const ENCODING *enc, const char *p, int c)
|
|---|
| 807 | {
|
|---|
| 808 | return BIG2_CHAR_MATCHES(enc, p, c);
|
|---|
| 809 | }
|
|---|
| 810 |
|
|---|
| 811 | static int PTRFASTCALL
|
|---|
| 812 | big2_isNameMin(const ENCODING *enc, const char *p)
|
|---|
| 813 | {
|
|---|
| 814 | return BIG2_IS_NAME_CHAR_MINBPC(enc, p);
|
|---|
| 815 | }
|
|---|
| 816 |
|
|---|
| 817 | static int PTRFASTCALL
|
|---|
| 818 | big2_isNmstrtMin(const ENCODING *enc, const char *p)
|
|---|
| 819 | {
|
|---|
| 820 | return BIG2_IS_NMSTRT_CHAR_MINBPC(enc, p);
|
|---|
| 821 | }
|
|---|
| 822 |
|
|---|
| 823 | #undef VTABLE
|
|---|
| 824 | #define VTABLE VTABLE1, big2_toUtf8, big2_toUtf16
|
|---|
| 825 |
|
|---|
| 826 | #else /* not XML_MIN_SIZE */
|
|---|
| 827 |
|
|---|
| 828 | #undef PREFIX
|
|---|
| 829 | #define PREFIX(ident) big2_ ## ident
|
|---|
| 830 | #define MINBPC(enc) 2
|
|---|
| 831 | /* CHAR_MATCHES is guaranteed to have MINBPC bytes available. */
|
|---|
| 832 | #define BYTE_TYPE(enc, p) BIG2_BYTE_TYPE(enc, p)
|
|---|
| 833 | #define BYTE_TO_ASCII(enc, p) BIG2_BYTE_TO_ASCII(enc, p)
|
|---|
| 834 | #define CHAR_MATCHES(enc, p, c) BIG2_CHAR_MATCHES(enc, p, c)
|
|---|
| 835 | #define IS_NAME_CHAR(enc, p, n) 0
|
|---|
| 836 | #define IS_NAME_CHAR_MINBPC(enc, p) BIG2_IS_NAME_CHAR_MINBPC(enc, p)
|
|---|
| 837 | #define IS_NMSTRT_CHAR(enc, p, n) (0)
|
|---|
| 838 | #define IS_NMSTRT_CHAR_MINBPC(enc, p) BIG2_IS_NMSTRT_CHAR_MINBPC(enc, p)
|
|---|
| 839 |
|
|---|
| 840 | #define XML_TOK_IMPL_C
|
|---|
| 841 | #include "xmltok_impl.c"
|
|---|
| 842 | #undef XML_TOK_IMPL_C
|
|---|
| 843 |
|
|---|
| 844 | #undef MINBPC
|
|---|
| 845 | #undef BYTE_TYPE
|
|---|
| 846 | #undef BYTE_TO_ASCII
|
|---|
| 847 | #undef CHAR_MATCHES
|
|---|
| 848 | #undef IS_NAME_CHAR
|
|---|
| 849 | #undef IS_NAME_CHAR_MINBPC
|
|---|
| 850 | #undef IS_NMSTRT_CHAR
|
|---|
| 851 | #undef IS_NMSTRT_CHAR_MINBPC
|
|---|
| 852 | #undef IS_INVALID_CHAR
|
|---|
| 853 |
|
|---|
| 854 | #endif /* not XML_MIN_SIZE */
|
|---|
| 855 |
|
|---|
| 856 | #ifdef XML_NS
|
|---|
| 857 |
|
|---|
| 858 | static const struct normal_encoding big2_encoding_ns = {
|
|---|
| 859 | { VTABLE, 2, 0,
|
|---|
| 860 | #if BYTEORDER == 4321
|
|---|
| 861 | 1
|
|---|
| 862 | #else
|
|---|
| 863 | 0
|
|---|
| 864 | #endif
|
|---|
| 865 | },
|
|---|
| 866 | {
|
|---|
| 867 | #include "asciitab.h"
|
|---|
| 868 | #include "latin1tab.h"
|
|---|
| 869 | },
|
|---|
| 870 | STANDARD_VTABLE(big2_)
|
|---|
| 871 | };
|
|---|
| 872 |
|
|---|
| 873 | #endif
|
|---|
| 874 |
|
|---|
| 875 | static const struct normal_encoding big2_encoding = {
|
|---|
| 876 | { VTABLE, 2, 0,
|
|---|
| 877 | #if BYTEORDER == 4321
|
|---|
| 878 | 1
|
|---|
| 879 | #else
|
|---|
| 880 | 0
|
|---|
| 881 | #endif
|
|---|
| 882 | },
|
|---|
| 883 | {
|
|---|
| 884 | #define BT_COLON BT_NMSTRT
|
|---|
| 885 | #include "asciitab.h"
|
|---|
| 886 | #undef BT_COLON
|
|---|
| 887 | #include "latin1tab.h"
|
|---|
| 888 | },
|
|---|
| 889 | STANDARD_VTABLE(big2_)
|
|---|
| 890 | };
|
|---|
| 891 |
|
|---|
| 892 | #if BYTEORDER != 1234
|
|---|
| 893 |
|
|---|
| 894 | #ifdef XML_NS
|
|---|
| 895 |
|
|---|
| 896 | static const struct normal_encoding internal_big2_encoding_ns = {
|
|---|
| 897 | { VTABLE, 2, 0, 1 },
|
|---|
| 898 | {
|
|---|
| 899 | #include "iasciitab.h"
|
|---|
| 900 | #include "latin1tab.h"
|
|---|
| 901 | },
|
|---|
| 902 | STANDARD_VTABLE(big2_)
|
|---|
| 903 | };
|
|---|
| 904 |
|
|---|
| 905 | #endif
|
|---|
| 906 |
|
|---|
| 907 | static const struct normal_encoding internal_big2_encoding = {
|
|---|
| 908 | { VTABLE, 2, 0, 1 },
|
|---|
| 909 | {
|
|---|
| 910 | #define BT_COLON BT_NMSTRT
|
|---|
| 911 | #include "iasciitab.h"
|
|---|
| 912 | #undef BT_COLON
|
|---|
| 913 | #include "latin1tab.h"
|
|---|
| 914 | },
|
|---|
| 915 | STANDARD_VTABLE(big2_)
|
|---|
| 916 | };
|
|---|
| 917 |
|
|---|
| 918 | #endif
|
|---|
| 919 |
|
|---|
| 920 | #undef PREFIX
|
|---|
| 921 |
|
|---|
| 922 | static int FASTCALL
|
|---|
| 923 | streqci(const char *s1, const char *s2)
|
|---|
| 924 | {
|
|---|
| 925 | for (;;) {
|
|---|
| 926 | char c1 = *s1++;
|
|---|
| 927 | char c2 = *s2++;
|
|---|
| 928 | if (ASCII_a <= c1 && c1 <= ASCII_z)
|
|---|
| 929 | c1 += ASCII_A - ASCII_a;
|
|---|
| 930 | if (ASCII_a <= c2 && c2 <= ASCII_z)
|
|---|
| 931 | c2 += ASCII_A - ASCII_a;
|
|---|
| 932 | if (c1 != c2)
|
|---|
| 933 | return 0;
|
|---|
| 934 | if (!c1)
|
|---|
| 935 | break;
|
|---|
| 936 | }
|
|---|
| 937 | return 1;
|
|---|
| 938 | }
|
|---|
| 939 |
|
|---|
| 940 | static void PTRCALL
|
|---|
| 941 | initUpdatePosition(const ENCODING *enc, const char *ptr,
|
|---|
| 942 | const char *end, POSITION *pos)
|
|---|
| 943 | {
|
|---|
| 944 | normal_updatePosition(&utf8_encoding.enc, ptr, end, pos);
|
|---|
| 945 | }
|
|---|
| 946 |
|
|---|
| 947 | static int
|
|---|
| 948 | toAscii(const ENCODING *enc, const char *ptr, const char *end)
|
|---|
| 949 | {
|
|---|
| 950 | char buf[1];
|
|---|
| 951 | char *p = buf;
|
|---|
| 952 | XmlUtf8Convert(enc, &ptr, end, &p, p + 1);
|
|---|
| 953 | if (p == buf)
|
|---|
| 954 | return -1;
|
|---|
| 955 | else
|
|---|
| 956 | return buf[0];
|
|---|
| 957 | }
|
|---|
| 958 |
|
|---|
| 959 | static int FASTCALL
|
|---|
| 960 | isSpace(int c)
|
|---|
| 961 | {
|
|---|
| 962 | switch (c) {
|
|---|
| 963 | case 0x20:
|
|---|
| 964 | case 0xD:
|
|---|
| 965 | case 0xA:
|
|---|
| 966 | case 0x9:
|
|---|
| 967 | return 1;
|
|---|
| 968 | }
|
|---|
| 969 | return 0;
|
|---|
| 970 | }
|
|---|
| 971 |
|
|---|
| 972 | /* Return 1 if there's just optional white space or there's an S
|
|---|
| 973 | followed by name=val.
|
|---|
| 974 | */
|
|---|
| 975 | static int
|
|---|
| 976 | parsePseudoAttribute(const ENCODING *enc,
|
|---|
| 977 | const char *ptr,
|
|---|
| 978 | const char *end,
|
|---|
| 979 | const char **namePtr,
|
|---|
| 980 | const char **nameEndPtr,
|
|---|
| 981 | const char **valPtr,
|
|---|
| 982 | const char **nextTokPtr)
|
|---|
| 983 | {
|
|---|
| 984 | int c;
|
|---|
| 985 | char open;
|
|---|
| 986 | if (ptr == end) {
|
|---|
| 987 | *namePtr = NULL;
|
|---|
| 988 | return 1;
|
|---|
| 989 | }
|
|---|
| 990 | if (!isSpace(toAscii(enc, ptr, end))) {
|
|---|
| 991 | *nextTokPtr = ptr;
|
|---|
| 992 | return 0;
|
|---|
| 993 | }
|
|---|
| 994 | do {
|
|---|
| 995 | ptr += enc->minBytesPerChar;
|
|---|
| 996 | } while (isSpace(toAscii(enc, ptr, end)));
|
|---|
| 997 | if (ptr == end) {
|
|---|
| 998 | *namePtr = NULL;
|
|---|
| 999 | return 1;
|
|---|
| 1000 | }
|
|---|
| 1001 | *namePtr = ptr;
|
|---|
| 1002 | for (;;) {
|
|---|
| 1003 | c = toAscii(enc, ptr, end);
|
|---|
| 1004 | if (c == -1) {
|
|---|
| 1005 | *nextTokPtr = ptr;
|
|---|
| 1006 | return 0;
|
|---|
| 1007 | }
|
|---|
| 1008 | if (c == ASCII_EQUALS) {
|
|---|
| 1009 | *nameEndPtr = ptr;
|
|---|
| 1010 | break;
|
|---|
| 1011 | }
|
|---|
| 1012 | if (isSpace(c)) {
|
|---|
| 1013 | *nameEndPtr = ptr;
|
|---|
| 1014 | do {
|
|---|
| 1015 | ptr += enc->minBytesPerChar;
|
|---|
| 1016 | } while (isSpace(c = toAscii(enc, ptr, end)));
|
|---|
| 1017 | if (c != ASCII_EQUALS) {
|
|---|
| 1018 | *nextTokPtr = ptr;
|
|---|
| 1019 | return 0;
|
|---|
| 1020 | }
|
|---|
| 1021 | break;
|
|---|
| 1022 | }
|
|---|
| 1023 | ptr += enc->minBytesPerChar;
|
|---|
| 1024 | }
|
|---|
| 1025 | if (ptr == *namePtr) {
|
|---|
| 1026 | *nextTokPtr = ptr;
|
|---|
| 1027 | return 0;
|
|---|
| 1028 | }
|
|---|
| 1029 | ptr += enc->minBytesPerChar;
|
|---|
| 1030 | c = toAscii(enc, ptr, end);
|
|---|
| 1031 | while (isSpace(c)) {
|
|---|
| 1032 | ptr += enc->minBytesPerChar;
|
|---|
| 1033 | c = toAscii(enc, ptr, end);
|
|---|
| 1034 | }
|
|---|
| 1035 | if (c != ASCII_QUOT && c != ASCII_APOS) {
|
|---|
| 1036 | *nextTokPtr = ptr;
|
|---|
| 1037 | return 0;
|
|---|
| 1038 | }
|
|---|
| 1039 | open = (char)c;
|
|---|
| 1040 | ptr += enc->minBytesPerChar;
|
|---|
| 1041 | *valPtr = ptr;
|
|---|
| 1042 | for (;; ptr += enc->minBytesPerChar) {
|
|---|
| 1043 | c = toAscii(enc, ptr, end);
|
|---|
| 1044 | if (c == open)
|
|---|
| 1045 | break;
|
|---|
| 1046 | if (!(ASCII_a <= c && c <= ASCII_z)
|
|---|
| 1047 | && !(ASCII_A <= c && c <= ASCII_Z)
|
|---|
| 1048 | && !(ASCII_0 <= c && c <= ASCII_9)
|
|---|
| 1049 | && c != ASCII_PERIOD
|
|---|
| 1050 | && c != ASCII_MINUS
|
|---|
| 1051 | && c != ASCII_UNDERSCORE) {
|
|---|
| 1052 | *nextTokPtr = ptr;
|
|---|
| 1053 | return 0;
|
|---|
| 1054 | }
|
|---|
| 1055 | }
|
|---|
| 1056 | *nextTokPtr = ptr + enc->minBytesPerChar;
|
|---|
| 1057 | return 1;
|
|---|
| 1058 | }
|
|---|
| 1059 |
|
|---|
| 1060 | static const char KW_version[] = {
|
|---|
| 1061 | ASCII_v, ASCII_e, ASCII_r, ASCII_s, ASCII_i, ASCII_o, ASCII_n, '\0'
|
|---|
| 1062 | };
|
|---|
| 1063 |
|
|---|
| 1064 | static const char KW_encoding[] = {
|
|---|
| 1065 | ASCII_e, ASCII_n, ASCII_c, ASCII_o, ASCII_d, ASCII_i, ASCII_n, ASCII_g, '\0'
|
|---|
| 1066 | };
|
|---|
| 1067 |
|
|---|
| 1068 | static const char KW_standalone[] = {
|
|---|
| 1069 | ASCII_s, ASCII_t, ASCII_a, ASCII_n, ASCII_d, ASCII_a, ASCII_l, ASCII_o,
|
|---|
| 1070 | ASCII_n, ASCII_e, '\0'
|
|---|
| 1071 | };
|
|---|
| 1072 |
|
|---|
| 1073 | static const char KW_yes[] = {
|
|---|
| 1074 | ASCII_y, ASCII_e, ASCII_s, '\0'
|
|---|
| 1075 | };
|
|---|
| 1076 |
|
|---|
| 1077 | static const char KW_no[] = {
|
|---|
| 1078 | ASCII_n, ASCII_o, '\0'
|
|---|
| 1079 | };
|
|---|
| 1080 |
|
|---|
| 1081 | static int
|
|---|
| 1082 | doParseXmlDecl(const ENCODING *(*encodingFinder)(const ENCODING *,
|
|---|
| 1083 | const char *,
|
|---|
| 1084 | const char *),
|
|---|
| 1085 | int isGeneralTextEntity,
|
|---|
| 1086 | const ENCODING *enc,
|
|---|
| 1087 | const char *ptr,
|
|---|
| 1088 | const char *end,
|
|---|
| 1089 | const char **badPtr,
|
|---|
| 1090 | const char **versionPtr,
|
|---|
| 1091 | const char **versionEndPtr,
|
|---|
| 1092 | const char **encodingName,
|
|---|
| 1093 | const ENCODING **encoding,
|
|---|
| 1094 | int *standalone)
|
|---|
| 1095 | {
|
|---|
| 1096 | const char *val = NULL;
|
|---|
| 1097 | const char *name = NULL;
|
|---|
| 1098 | const char *nameEnd = NULL;
|
|---|
| 1099 | ptr += 5 * enc->minBytesPerChar;
|
|---|
| 1100 | end -= 2 * enc->minBytesPerChar;
|
|---|
| 1101 | if (!parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)
|
|---|
| 1102 | || !name) {
|
|---|
| 1103 | *badPtr = ptr;
|
|---|
| 1104 | return 0;
|
|---|
| 1105 | }
|
|---|
| 1106 | if (!XmlNameMatchesAscii(enc, name, nameEnd, KW_version)) {
|
|---|
| 1107 | if (!isGeneralTextEntity) {
|
|---|
| 1108 | *badPtr = name;
|
|---|
| 1109 | return 0;
|
|---|
| 1110 | }
|
|---|
| 1111 | }
|
|---|
| 1112 | else {
|
|---|
| 1113 | if (versionPtr)
|
|---|
| 1114 | *versionPtr = val;
|
|---|
| 1115 | if (versionEndPtr)
|
|---|
| 1116 | *versionEndPtr = ptr;
|
|---|
| 1117 | if (!parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)) {
|
|---|
| 1118 | *badPtr = ptr;
|
|---|
| 1119 | return 0;
|
|---|
| 1120 | }
|
|---|
| 1121 | if (!name) {
|
|---|
| 1122 | if (isGeneralTextEntity) {
|
|---|
| 1123 | /* a TextDecl must have an EncodingDecl */
|
|---|
| 1124 | *badPtr = ptr;
|
|---|
| 1125 | return 0;
|
|---|
| 1126 | }
|
|---|
| 1127 | return 1;
|
|---|
| 1128 | }
|
|---|
| 1129 | }
|
|---|
| 1130 | if (XmlNameMatchesAscii(enc, name, nameEnd, KW_encoding)) {
|
|---|
| 1131 | int c = toAscii(enc, val, end);
|
|---|
| 1132 | if (!(ASCII_a <= c && c <= ASCII_z) && !(ASCII_A <= c && c <= ASCII_Z)) {
|
|---|
| 1133 | *badPtr = val;
|
|---|
| 1134 | return 0;
|
|---|
| 1135 | }
|
|---|
| 1136 | if (encodingName)
|
|---|
| 1137 | *encodingName = val;
|
|---|
| 1138 | if (encoding)
|
|---|
| 1139 | *encoding = encodingFinder(enc, val, ptr - enc->minBytesPerChar);
|
|---|
| 1140 | if (!parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)) {
|
|---|
| 1141 | *badPtr = ptr;
|
|---|
| 1142 | return 0;
|
|---|
| 1143 | }
|
|---|
| 1144 | if (!name)
|
|---|
| 1145 | return 1;
|
|---|
| 1146 | }
|
|---|
| 1147 | if (!XmlNameMatchesAscii(enc, name, nameEnd, KW_standalone)
|
|---|
| 1148 | || isGeneralTextEntity) {
|
|---|
| 1149 | *badPtr = name;
|
|---|
| 1150 | return 0;
|
|---|
| 1151 | }
|
|---|
| 1152 | if (XmlNameMatchesAscii(enc, val, ptr - enc->minBytesPerChar, KW_yes)) {
|
|---|
| 1153 | if (standalone)
|
|---|
| 1154 | *standalone = 1;
|
|---|
| 1155 | }
|
|---|
| 1156 | else if (XmlNameMatchesAscii(enc, val, ptr - enc->minBytesPerChar, KW_no)) {
|
|---|
| 1157 | if (standalone)
|
|---|
| 1158 | *standalone = 0;
|
|---|
| 1159 | }
|
|---|
| 1160 | else {
|
|---|
| 1161 | *badPtr = val;
|
|---|
| 1162 | return 0;
|
|---|
| 1163 | }
|
|---|
| 1164 | while (isSpace(toAscii(enc, ptr, end)))
|
|---|
| 1165 | ptr += enc->minBytesPerChar;
|
|---|
| 1166 | if (ptr != end) {
|
|---|
| 1167 | *badPtr = ptr;
|
|---|
| 1168 | return 0;
|
|---|
| 1169 | }
|
|---|
| 1170 | return 1;
|
|---|
| 1171 | }
|
|---|
| 1172 |
|
|---|
| 1173 | static int FASTCALL
|
|---|
| 1174 | checkCharRefNumber(int result)
|
|---|
| 1175 | {
|
|---|
| 1176 | switch (result >> 8) {
|
|---|
| 1177 | case 0xD8: case 0xD9: case 0xDA: case 0xDB:
|
|---|
| 1178 | case 0xDC: case 0xDD: case 0xDE: case 0xDF:
|
|---|
| 1179 | return -1;
|
|---|
| 1180 | case 0:
|
|---|
| 1181 | if (latin1_encoding.type[result] == BT_NONXML)
|
|---|
| 1182 | return -1;
|
|---|
| 1183 | break;
|
|---|
| 1184 | case 0xFF:
|
|---|
| 1185 | if (result == 0xFFFE || result == 0xFFFF)
|
|---|
| 1186 | return -1;
|
|---|
| 1187 | break;
|
|---|
| 1188 | }
|
|---|
| 1189 | return result;
|
|---|
| 1190 | }
|
|---|
| 1191 |
|
|---|
| 1192 | int FASTCALL
|
|---|
| 1193 | XmlUtf8Encode(int c, char *buf)
|
|---|
| 1194 | {
|
|---|
| 1195 | enum {
|
|---|
| 1196 | /* minN is minimum legal resulting value for N byte sequence */
|
|---|
| 1197 | min2 = 0x80,
|
|---|
| 1198 | min3 = 0x800,
|
|---|
| 1199 | min4 = 0x10000
|
|---|
| 1200 | };
|
|---|
| 1201 |
|
|---|
| 1202 | if (c < 0)
|
|---|
| 1203 | return 0;
|
|---|
| 1204 | if (c < min2) {
|
|---|
| 1205 | buf[0] = (char)(c | UTF8_cval1);
|
|---|
| 1206 | return 1;
|
|---|
| 1207 | }
|
|---|
| 1208 | if (c < min3) {
|
|---|
| 1209 | buf[0] = (char)((c >> 6) | UTF8_cval2);
|
|---|
| 1210 | buf[1] = (char)((c & 0x3f) | 0x80);
|
|---|
| 1211 | return 2;
|
|---|
| 1212 | }
|
|---|
| 1213 | if (c < min4) {
|
|---|
| 1214 | buf[0] = (char)((c >> 12) | UTF8_cval3);
|
|---|
| 1215 | buf[1] = (char)(((c >> 6) & 0x3f) | 0x80);
|
|---|
| 1216 | buf[2] = (char)((c & 0x3f) | 0x80);
|
|---|
| 1217 | return 3;
|
|---|
| 1218 | }
|
|---|
| 1219 | if (c < 0x110000) {
|
|---|
| 1220 | buf[0] = (char)((c >> 18) | UTF8_cval4);
|
|---|
| 1221 | buf[1] = (char)(((c >> 12) & 0x3f) | 0x80);
|
|---|
| 1222 | buf[2] = (char)(((c >> 6) & 0x3f) | 0x80);
|
|---|
| 1223 | buf[3] = (char)((c & 0x3f) | 0x80);
|
|---|
| 1224 | return 4;
|
|---|
| 1225 | }
|
|---|
| 1226 | return 0;
|
|---|
| 1227 | }
|
|---|
| 1228 |
|
|---|
| 1229 | int FASTCALL
|
|---|
| 1230 | XmlUtf16Encode(int charNum, unsigned short *buf)
|
|---|
| 1231 | {
|
|---|
| 1232 | if (charNum < 0)
|
|---|
| 1233 | return 0;
|
|---|
| 1234 | if (charNum < 0x10000) {
|
|---|
| 1235 | buf[0] = (unsigned short)charNum;
|
|---|
| 1236 | return 1;
|
|---|
| 1237 | }
|
|---|
| 1238 | if (charNum < 0x110000) {
|
|---|
| 1239 | charNum -= 0x10000;
|
|---|
| 1240 | buf[0] = (unsigned short)((charNum >> 10) + 0xD800);
|
|---|
| 1241 | buf[1] = (unsigned short)((charNum & 0x3FF) + 0xDC00);
|
|---|
| 1242 | return 2;
|
|---|
| 1243 | }
|
|---|
| 1244 | return 0;
|
|---|
| 1245 | }
|
|---|
| 1246 |
|
|---|
| 1247 | struct unknown_encoding {
|
|---|
| 1248 | struct normal_encoding normal;
|
|---|
| 1249 | CONVERTER convert;
|
|---|
| 1250 | void *userData;
|
|---|
| 1251 | unsigned short utf16[256];
|
|---|
| 1252 | char utf8[256][4];
|
|---|
| 1253 | };
|
|---|
| 1254 |
|
|---|
| 1255 | #define AS_UNKNOWN_ENCODING(enc) ((const struct unknown_encoding *) (enc))
|
|---|
| 1256 |
|
|---|
| 1257 | int
|
|---|
| 1258 | XmlSizeOfUnknownEncoding(void)
|
|---|
| 1259 | {
|
|---|
| 1260 | return sizeof(struct unknown_encoding);
|
|---|
| 1261 | }
|
|---|
| 1262 |
|
|---|
| 1263 | static int PTRFASTCALL
|
|---|
| 1264 | unknown_isName(const ENCODING *enc, const char *p)
|
|---|
| 1265 | {
|
|---|
| 1266 | const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
|
|---|
| 1267 | int c = uenc->convert(uenc->userData, p);
|
|---|
| 1268 | if (c & ~0xFFFF)
|
|---|
| 1269 | return 0;
|
|---|
| 1270 | return UCS2_GET_NAMING(namePages, c >> 8, c & 0xFF);
|
|---|
| 1271 | }
|
|---|
| 1272 |
|
|---|
| 1273 | static int PTRFASTCALL
|
|---|
| 1274 | unknown_isNmstrt(const ENCODING *enc, const char *p)
|
|---|
| 1275 | {
|
|---|
| 1276 | const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
|
|---|
| 1277 | int c = uenc->convert(uenc->userData, p);
|
|---|
| 1278 | if (c & ~0xFFFF)
|
|---|
| 1279 | return 0;
|
|---|
| 1280 | return UCS2_GET_NAMING(nmstrtPages, c >> 8, c & 0xFF);
|
|---|
| 1281 | }
|
|---|
| 1282 |
|
|---|
| 1283 | static int PTRFASTCALL
|
|---|
| 1284 | unknown_isInvalid(const ENCODING *enc, const char *p)
|
|---|
| 1285 | {
|
|---|
| 1286 | const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
|
|---|
| 1287 | int c = uenc->convert(uenc->userData, p);
|
|---|
| 1288 | return (c & ~0xFFFF) || checkCharRefNumber(c) < 0;
|
|---|
| 1289 | }
|
|---|
| 1290 |
|
|---|
| 1291 | static void PTRCALL
|
|---|
| 1292 | unknown_toUtf8(const ENCODING *enc,
|
|---|
| 1293 | const char **fromP, const char *fromLim,
|
|---|
| 1294 | char **toP, const char *toLim)
|
|---|
| 1295 | {
|
|---|
| 1296 | const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
|
|---|
| 1297 | char buf[XML_UTF8_ENCODE_MAX];
|
|---|
| 1298 | for (;;) {
|
|---|
| 1299 | const char *utf8;
|
|---|
| 1300 | int n;
|
|---|
| 1301 | if (*fromP == fromLim)
|
|---|
| 1302 | break;
|
|---|
| 1303 | utf8 = uenc->utf8[(unsigned char)**fromP];
|
|---|
| 1304 | n = *utf8++;
|
|---|
| 1305 | if (n == 0) {
|
|---|
| 1306 | int c = uenc->convert(uenc->userData, *fromP);
|
|---|
| 1307 | n = XmlUtf8Encode(c, buf);
|
|---|
| 1308 | if (n > toLim - *toP)
|
|---|
| 1309 | break;
|
|---|
| 1310 | utf8 = buf;
|
|---|
| 1311 | *fromP += (AS_NORMAL_ENCODING(enc)->type[(unsigned char)**fromP]
|
|---|
| 1312 | - (BT_LEAD2 - 2));
|
|---|
| 1313 | }
|
|---|
| 1314 | else {
|
|---|
| 1315 | if (n > toLim - *toP)
|
|---|
| 1316 | break;
|
|---|
| 1317 | (*fromP)++;
|
|---|
| 1318 | }
|
|---|
| 1319 | do {
|
|---|
| 1320 | *(*toP)++ = *utf8++;
|
|---|
| 1321 | } while (--n != 0);
|
|---|
| 1322 | }
|
|---|
| 1323 | }
|
|---|
| 1324 |
|
|---|
| 1325 | static void PTRCALL
|
|---|
| 1326 | unknown_toUtf16(const ENCODING *enc,
|
|---|
| 1327 | const char **fromP, const char *fromLim,
|
|---|
| 1328 | unsigned short **toP, const unsigned short *toLim)
|
|---|
| 1329 | {
|
|---|
| 1330 | const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
|
|---|
| 1331 | while (*fromP != fromLim && *toP != toLim) {
|
|---|
| 1332 | unsigned short c = uenc->utf16[(unsigned char)**fromP];
|
|---|
| 1333 | if (c == 0) {
|
|---|
| 1334 | c = (unsigned short)
|
|---|
| 1335 | uenc->convert(uenc->userData, *fromP);
|
|---|
| 1336 | *fromP += (AS_NORMAL_ENCODING(enc)->type[(unsigned char)**fromP]
|
|---|
| 1337 | - (BT_LEAD2 - 2));
|
|---|
| 1338 | }
|
|---|
| 1339 | else
|
|---|
| 1340 | (*fromP)++;
|
|---|
| 1341 | *(*toP)++ = c;
|
|---|
| 1342 | }
|
|---|
| 1343 | }
|
|---|
| 1344 |
|
|---|
| 1345 | ENCODING *
|
|---|
| 1346 | XmlInitUnknownEncoding(void *mem,
|
|---|
| 1347 | int *table,
|
|---|
| 1348 | CONVERTER convert,
|
|---|
| 1349 | void *userData)
|
|---|
| 1350 | {
|
|---|
| 1351 | int i;
|
|---|
| 1352 | struct unknown_encoding *e = (struct unknown_encoding *)mem;
|
|---|
| 1353 | for (i = 0; i < (int)sizeof(struct normal_encoding); i++)
|
|---|
| 1354 | ((char *)mem)[i] = ((char *)&latin1_encoding)[i];
|
|---|
| 1355 | for (i = 0; i < 128; i++)
|
|---|
| 1356 | if (latin1_encoding.type[i] != BT_OTHER
|
|---|
| 1357 | && latin1_encoding.type[i] != BT_NONXML
|
|---|
| 1358 | && table[i] != i)
|
|---|
| 1359 | return 0;
|
|---|
| 1360 | for (i = 0; i < 256; i++) {
|
|---|
| 1361 | int c = table[i];
|
|---|
| 1362 | if (c == -1) {
|
|---|
| 1363 | e->normal.type[i] = BT_MALFORM;
|
|---|
| 1364 | /* This shouldn't really get used. */
|
|---|
| 1365 | e->utf16[i] = 0xFFFF;
|
|---|
| 1366 | e->utf8[i][0] = 1;
|
|---|
| 1367 | e->utf8[i][1] = 0;
|
|---|
| 1368 | }
|
|---|
| 1369 | else if (c < 0) {
|
|---|
| 1370 | if (c < -4)
|
|---|
| 1371 | return 0;
|
|---|
| 1372 | e->normal.type[i] = (unsigned char)(BT_LEAD2 - (c + 2));
|
|---|
| 1373 | e->utf8[i][0] = 0;
|
|---|
| 1374 | e->utf16[i] = 0;
|
|---|
| 1375 | }
|
|---|
| 1376 | else if (c < 0x80) {
|
|---|
| 1377 | if (latin1_encoding.type[c] != BT_OTHER
|
|---|
| 1378 | && latin1_encoding.type[c] != BT_NONXML
|
|---|
| 1379 | && c != i)
|
|---|
| 1380 | return 0;
|
|---|
| 1381 | e->normal.type[i] = latin1_encoding.type[c];
|
|---|
| 1382 | e->utf8[i][0] = 1;
|
|---|
| 1383 | e->utf8[i][1] = (char)c;
|
|---|
| 1384 | e->utf16[i] = (unsigned short)(c == 0 ? 0xFFFF : c);
|
|---|
| 1385 | }
|
|---|
| 1386 | else if (checkCharRefNumber(c) < 0) {
|
|---|
| 1387 | e->normal.type[i] = BT_NONXML;
|
|---|
| 1388 | /* This shouldn't really get used. */
|
|---|
| 1389 | e->utf16[i] = 0xFFFF;
|
|---|
| 1390 | e->utf8[i][0] = 1;
|
|---|
| 1391 | e->utf8[i][1] = 0;
|
|---|
| 1392 | }
|
|---|
| 1393 | else {
|
|---|
| 1394 | if (c > 0xFFFF)
|
|---|
| 1395 | return 0;
|
|---|
| 1396 | if (UCS2_GET_NAMING(nmstrtPages, c >> 8, c & 0xff))
|
|---|
| 1397 | e->normal.type[i] = BT_NMSTRT;
|
|---|
| 1398 | else if (UCS2_GET_NAMING(namePages, c >> 8, c & 0xff))
|
|---|
| 1399 | e->normal.type[i] = BT_NAME;
|
|---|
| 1400 | else
|
|---|
| 1401 | e->normal.type[i] = BT_OTHER;
|
|---|
| 1402 | e->utf8[i][0] = (char)XmlUtf8Encode(c, e->utf8[i] + 1);
|
|---|
| 1403 | e->utf16[i] = (unsigned short)c;
|
|---|
| 1404 | }
|
|---|
| 1405 | }
|
|---|
| 1406 | e->userData = userData;
|
|---|
| 1407 | e->convert = convert;
|
|---|
| 1408 | if (convert) {
|
|---|
| 1409 | e->normal.isName2 = unknown_isName;
|
|---|
| 1410 | e->normal.isName3 = unknown_isName;
|
|---|
| 1411 | e->normal.isName4 = unknown_isName;
|
|---|
| 1412 | e->normal.isNmstrt2 = unknown_isNmstrt;
|
|---|
| 1413 | e->normal.isNmstrt3 = unknown_isNmstrt;
|
|---|
| 1414 | e->normal.isNmstrt4 = unknown_isNmstrt;
|
|---|
| 1415 | e->normal.isInvalid2 = unknown_isInvalid;
|
|---|
| 1416 | e->normal.isInvalid3 = unknown_isInvalid;
|
|---|
| 1417 | e->normal.isInvalid4 = unknown_isInvalid;
|
|---|
| 1418 | }
|
|---|
| 1419 | e->normal.enc.utf8Convert = unknown_toUtf8;
|
|---|
| 1420 | e->normal.enc.utf16Convert = unknown_toUtf16;
|
|---|
| 1421 | return &(e->normal.enc);
|
|---|
| 1422 | }
|
|---|
| 1423 |
|
|---|
| 1424 | /* If this enumeration is changed, getEncodingIndex and encodings
|
|---|
| 1425 | must also be changed. */
|
|---|
| 1426 | enum {
|
|---|
| 1427 | UNKNOWN_ENC = -1,
|
|---|
| 1428 | ISO_8859_1_ENC = 0,
|
|---|
| 1429 | US_ASCII_ENC,
|
|---|
| 1430 | UTF_8_ENC,
|
|---|
| 1431 | UTF_16_ENC,
|
|---|
| 1432 | UTF_16BE_ENC,
|
|---|
| 1433 | UTF_16LE_ENC,
|
|---|
| 1434 | /* must match encodingNames up to here */
|
|---|
| 1435 | NO_ENC
|
|---|
| 1436 | };
|
|---|
| 1437 |
|
|---|
| 1438 | static const char KW_ISO_8859_1[] = {
|
|---|
| 1439 | ASCII_I, ASCII_S, ASCII_O, ASCII_MINUS, ASCII_8, ASCII_8, ASCII_5, ASCII_9,
|
|---|
| 1440 | ASCII_MINUS, ASCII_1, '\0'
|
|---|
| 1441 | };
|
|---|
| 1442 | static const char KW_US_ASCII[] = {
|
|---|
| 1443 | ASCII_U, ASCII_S, ASCII_MINUS, ASCII_A, ASCII_S, ASCII_C, ASCII_I, ASCII_I,
|
|---|
| 1444 | '\0'
|
|---|
| 1445 | };
|
|---|
| 1446 | static const char KW_UTF_8[] = {
|
|---|
| 1447 | ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_8, '\0'
|
|---|
| 1448 | };
|
|---|
| 1449 | static const char KW_UTF_16[] = {
|
|---|
| 1450 | ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1, ASCII_6, '\0'
|
|---|
| 1451 | };
|
|---|
| 1452 | static const char KW_UTF_16BE[] = {
|
|---|
| 1453 | ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1, ASCII_6, ASCII_B, ASCII_E,
|
|---|
| 1454 | '\0'
|
|---|
| 1455 | };
|
|---|
| 1456 | static const char KW_UTF_16LE[] = {
|
|---|
| 1457 | ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1, ASCII_6, ASCII_L, ASCII_E,
|
|---|
| 1458 | '\0'
|
|---|
| 1459 | };
|
|---|
| 1460 |
|
|---|
| 1461 | static int FASTCALL
|
|---|
| 1462 | getEncodingIndex(const char *name)
|
|---|
| 1463 | {
|
|---|
| 1464 | static const char * const encodingNames[] = {
|
|---|
| 1465 | KW_ISO_8859_1,
|
|---|
| 1466 | KW_US_ASCII,
|
|---|
| 1467 | KW_UTF_8,
|
|---|
| 1468 | KW_UTF_16,
|
|---|
| 1469 | KW_UTF_16BE,
|
|---|
| 1470 | KW_UTF_16LE,
|
|---|
| 1471 | };
|
|---|
| 1472 | int i;
|
|---|
| 1473 | if (name == NULL)
|
|---|
| 1474 | return NO_ENC;
|
|---|
| 1475 | for (i = 0; i < (int)(sizeof(encodingNames)/sizeof(encodingNames[0])); i++)
|
|---|
| 1476 | if (streqci(name, encodingNames[i]))
|
|---|
| 1477 | return i;
|
|---|
| 1478 | return UNKNOWN_ENC;
|
|---|
| 1479 | }
|
|---|
| 1480 |
|
|---|
| 1481 | /* For binary compatibility, we store the index of the encoding
|
|---|
| 1482 | specified at initialization in the isUtf16 member.
|
|---|
| 1483 | */
|
|---|
| 1484 |
|
|---|
| 1485 | #define INIT_ENC_INDEX(enc) ((int)(enc)->initEnc.isUtf16)
|
|---|
| 1486 | #define SET_INIT_ENC_INDEX(enc, i) ((enc)->initEnc.isUtf16 = (char)i)
|
|---|
| 1487 |
|
|---|
| 1488 | /* This is what detects the encoding. encodingTable maps from
|
|---|
| 1489 | encoding indices to encodings; INIT_ENC_INDEX(enc) is the index of
|
|---|
| 1490 | the external (protocol) specified encoding; state is
|
|---|
| 1491 | XML_CONTENT_STATE if we're parsing an external text entity, and
|
|---|
| 1492 | XML_PROLOG_STATE otherwise.
|
|---|
| 1493 | */
|
|---|
| 1494 |
|
|---|
| 1495 |
|
|---|
| 1496 | static int
|
|---|
| 1497 | initScan(const ENCODING * const *encodingTable,
|
|---|
| 1498 | const INIT_ENCODING *enc,
|
|---|
| 1499 | int state,
|
|---|
| 1500 | const char *ptr,
|
|---|
| 1501 | const char *end,
|
|---|
| 1502 | const char **nextTokPtr)
|
|---|
| 1503 | {
|
|---|
| 1504 | const ENCODING **encPtr;
|
|---|
| 1505 |
|
|---|
| 1506 | if (ptr == end)
|
|---|
| 1507 | return XML_TOK_NONE;
|
|---|
| 1508 | encPtr = enc->encPtr;
|
|---|
| 1509 | if (ptr + 1 == end) {
|
|---|
| 1510 | /* only a single byte available for auto-detection */
|
|---|
| 1511 | #ifndef XML_DTD /* FIXME */
|
|---|
| 1512 | /* a well-formed document entity must have more than one byte */
|
|---|
| 1513 | if (state != XML_CONTENT_STATE)
|
|---|
| 1514 | return XML_TOK_PARTIAL;
|
|---|
| 1515 | #endif
|
|---|
| 1516 | /* so we're parsing an external text entity... */
|
|---|
| 1517 | /* if UTF-16 was externally specified, then we need at least 2 bytes */
|
|---|
| 1518 | switch (INIT_ENC_INDEX(enc)) {
|
|---|
| 1519 | case UTF_16_ENC:
|
|---|
| 1520 | case UTF_16LE_ENC:
|
|---|
| 1521 | case UTF_16BE_ENC:
|
|---|
| 1522 | return XML_TOK_PARTIAL;
|
|---|
| 1523 | }
|
|---|
| 1524 | switch ((unsigned char)*ptr) {
|
|---|
| 1525 | case 0xFE:
|
|---|
| 1526 | case 0xFF:
|
|---|
| 1527 | case 0xEF: /* possibly first byte of UTF-8 BOM */
|
|---|
| 1528 | if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC
|
|---|
| 1529 | && state == XML_CONTENT_STATE)
|
|---|
| 1530 | break;
|
|---|
| 1531 | /* fall through */
|
|---|
| 1532 | case 0x00:
|
|---|
| 1533 | case 0x3C:
|
|---|
| 1534 | return XML_TOK_PARTIAL;
|
|---|
| 1535 | }
|
|---|
| 1536 | }
|
|---|
| 1537 | else {
|
|---|
| 1538 | switch (((unsigned char)ptr[0] << 8) | (unsigned char)ptr[1]) {
|
|---|
| 1539 | case 0xFEFF:
|
|---|
| 1540 | if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC
|
|---|
| 1541 | && state == XML_CONTENT_STATE)
|
|---|
| 1542 | break;
|
|---|
| 1543 | *nextTokPtr = ptr + 2;
|
|---|
| 1544 | *encPtr = encodingTable[UTF_16BE_ENC];
|
|---|
| 1545 | return XML_TOK_BOM;
|
|---|
| 1546 | /* 00 3C is handled in the default case */
|
|---|
| 1547 | case 0x3C00:
|
|---|
| 1548 | if ((INIT_ENC_INDEX(enc) == UTF_16BE_ENC
|
|---|
| 1549 | || INIT_ENC_INDEX(enc) == UTF_16_ENC)
|
|---|
| 1550 | && state == XML_CONTENT_STATE)
|
|---|
| 1551 | break;
|
|---|
| 1552 | *encPtr = encodingTable[UTF_16LE_ENC];
|
|---|
| 1553 | return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
|
|---|
| 1554 | case 0xFFFE:
|
|---|
| 1555 | if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC
|
|---|
| 1556 | && state == XML_CONTENT_STATE)
|
|---|
| 1557 | break;
|
|---|
| 1558 | *nextTokPtr = ptr + 2;
|
|---|
| 1559 | *encPtr = encodingTable[UTF_16LE_ENC];
|
|---|
| 1560 | return XML_TOK_BOM;
|
|---|
| 1561 | case 0xEFBB:
|
|---|
| 1562 | /* Maybe a UTF-8 BOM (EF BB BF) */
|
|---|
| 1563 | /* If there's an explicitly specified (external) encoding
|
|---|
| 1564 | of ISO-8859-1 or some flavour of UTF-16
|
|---|
| 1565 | and this is an external text entity,
|
|---|
| 1566 | don't look for the BOM,
|
|---|
| 1567 | because it might be a legal data.
|
|---|
| 1568 | */
|
|---|
| 1569 | if (state == XML_CONTENT_STATE) {
|
|---|
| 1570 | int e = INIT_ENC_INDEX(enc);
|
|---|
| 1571 | if (e == ISO_8859_1_ENC || e == UTF_16BE_ENC
|
|---|
| 1572 | || e == UTF_16LE_ENC || e == UTF_16_ENC)
|
|---|
| 1573 | break;
|
|---|
| 1574 | }
|
|---|
| 1575 | if (ptr + 2 == end)
|
|---|
| 1576 | return XML_TOK_PARTIAL;
|
|---|
| 1577 | if ((unsigned char)ptr[2] == 0xBF) {
|
|---|
| 1578 | *nextTokPtr = ptr + 3;
|
|---|
| 1579 | *encPtr = encodingTable[UTF_8_ENC];
|
|---|
| 1580 | return XML_TOK_BOM;
|
|---|
| 1581 | }
|
|---|
| 1582 | break;
|
|---|
| 1583 | default:
|
|---|
| 1584 | if (ptr[0] == '\0') {
|
|---|
| 1585 | /* 0 isn't a legal data character. Furthermore a document
|
|---|
| 1586 | entity can only start with ASCII characters. So the only
|
|---|
| 1587 | way this can fail to be big-endian UTF-16 is if it is an
|
|---|
| 1588 | external parsed general entity that's labelled as
|
|---|
| 1589 | UTF-16LE.
|
|---|
| 1590 | */
|
|---|
| 1591 | if (state == XML_CONTENT_STATE && INIT_ENC_INDEX(enc) == UTF_16LE_ENC)
|
|---|
| 1592 | break;
|
|---|
| 1593 | *encPtr = encodingTable[UTF_16BE_ENC];
|
|---|
| 1594 | return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
|
|---|
| 1595 | }
|
|---|
| 1596 | else if (ptr[1] == '\0') {
|
|---|
| 1597 | /* We could recover here in the case:
|
|---|
| 1598 | - parsing an external entity
|
|---|
| 1599 | - second byte is 0
|
|---|
| 1600 | - no externally specified encoding
|
|---|
| 1601 | - no encoding declaration
|
|---|
| 1602 | by assuming UTF-16LE. But we don't, because this would mean when
|
|---|
| 1603 | presented just with a single byte, we couldn't reliably determine
|
|---|
| 1604 | whether we needed further bytes.
|
|---|
| 1605 | */
|
|---|
| 1606 | if (state == XML_CONTENT_STATE)
|
|---|
| 1607 | break;
|
|---|
| 1608 | *encPtr = encodingTable[UTF_16LE_ENC];
|
|---|
| 1609 | return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
|
|---|
| 1610 | }
|
|---|
| 1611 | break;
|
|---|
| 1612 | }
|
|---|
| 1613 | }
|
|---|
| 1614 | *encPtr = encodingTable[INIT_ENC_INDEX(enc)];
|
|---|
| 1615 | return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
|
|---|
| 1616 | }
|
|---|
| 1617 |
|
|---|
| 1618 |
|
|---|
| 1619 | #define NS(x) x
|
|---|
| 1620 | #define ns(x) x
|
|---|
| 1621 | #define XML_TOK_NS_C
|
|---|
| 1622 | #include "xmltok_ns.c"
|
|---|
| 1623 | #undef XML_TOK_NS_C
|
|---|
| 1624 | #undef NS
|
|---|
| 1625 | #undef ns
|
|---|
| 1626 |
|
|---|
| 1627 | #ifdef XML_NS
|
|---|
| 1628 |
|
|---|
| 1629 | #define NS(x) x ## NS
|
|---|
| 1630 | #define ns(x) x ## _ns
|
|---|
| 1631 |
|
|---|
| 1632 | #define XML_TOK_NS_C
|
|---|
| 1633 | #include "xmltok_ns.c"
|
|---|
| 1634 | #undef XML_TOK_NS_C
|
|---|
| 1635 |
|
|---|
| 1636 | #undef NS
|
|---|
| 1637 | #undef ns
|
|---|
| 1638 |
|
|---|
| 1639 | ENCODING *
|
|---|
| 1640 | XmlInitUnknownEncodingNS(void *mem,
|
|---|
| 1641 | int *table,
|
|---|
| 1642 | CONVERTER convert,
|
|---|
| 1643 | void *userData)
|
|---|
| 1644 | {
|
|---|
| 1645 | ENCODING *enc = XmlInitUnknownEncoding(mem, table, convert, userData);
|
|---|
| 1646 | if (enc)
|
|---|
| 1647 | ((struct normal_encoding *)enc)->type[ASCII_COLON] = BT_COLON;
|
|---|
| 1648 | return enc;
|
|---|
| 1649 | }
|
|---|
| 1650 |
|
|---|
| 1651 | #endif /* XML_NS */
|
|---|
