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1/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd\r
2 See the file COPYING for copying permission.\r
3*/\r
4\r
5#ifndef XmlTok_INCLUDED\r
6#define XmlTok_INCLUDED 1\r
7\r
8#ifdef __cplusplus\r
9extern "C" {\r
10#endif\r
11\r
12/* The following token may be returned by XmlContentTok */\r
13#define XML_TOK_TRAILING_RSQB -5 /* ] or ]] at the end of the scan; might be\r
14 start of illegal ]]> sequence */\r
15/* The following tokens may be returned by both XmlPrologTok and\r
16 XmlContentTok.\r
17*/\r
18#define XML_TOK_NONE -4 /* The string to be scanned is empty */\r
19#define XML_TOK_TRAILING_CR -3 /* A CR at the end of the scan;\r
20 might be part of CRLF sequence */\r
21#define XML_TOK_PARTIAL_CHAR -2 /* only part of a multibyte sequence */\r
22#define XML_TOK_PARTIAL -1 /* only part of a token */\r
23#define XML_TOK_INVALID 0\r
24\r
25/* The following tokens are returned by XmlContentTok; some are also\r
26 returned by XmlAttributeValueTok, XmlEntityTok, XmlCdataSectionTok.\r
27*/\r
28#define XML_TOK_START_TAG_WITH_ATTS 1\r
29#define XML_TOK_START_TAG_NO_ATTS 2\r
30#define XML_TOK_EMPTY_ELEMENT_WITH_ATTS 3 /* empty element tag <e/> */\r
31#define XML_TOK_EMPTY_ELEMENT_NO_ATTS 4\r
32#define XML_TOK_END_TAG 5\r
33#define XML_TOK_DATA_CHARS 6\r
34#define XML_TOK_DATA_NEWLINE 7\r
35#define XML_TOK_CDATA_SECT_OPEN 8\r
36#define XML_TOK_ENTITY_REF 9\r
37#define XML_TOK_CHAR_REF 10 /* numeric character reference */\r
38\r
39/* The following tokens may be returned by both XmlPrologTok and\r
40 XmlContentTok.\r
41*/\r
42#define XML_TOK_PI 11 /* processing instruction */\r
43#define XML_TOK_XML_DECL 12 /* XML decl or text decl */\r
44#define XML_TOK_COMMENT 13\r
45#define XML_TOK_BOM 14 /* Byte order mark */\r
46\r
47/* The following tokens are returned only by XmlPrologTok */\r
48#define XML_TOK_PROLOG_S 15\r
49#define XML_TOK_DECL_OPEN 16 /* <!foo */\r
50#define XML_TOK_DECL_CLOSE 17 /* > */\r
51#define XML_TOK_NAME 18\r
52#define XML_TOK_NMTOKEN 19\r
53#define XML_TOK_POUND_NAME 20 /* #name */\r
54#define XML_TOK_OR 21 /* | */\r
55#define XML_TOK_PERCENT 22\r
56#define XML_TOK_OPEN_PAREN 23\r
57#define XML_TOK_CLOSE_PAREN 24\r
58#define XML_TOK_OPEN_BRACKET 25\r
59#define XML_TOK_CLOSE_BRACKET 26\r
60#define XML_TOK_LITERAL 27\r
61#define XML_TOK_PARAM_ENTITY_REF 28\r
62#define XML_TOK_INSTANCE_START 29\r
63\r
64/* The following occur only in element type declarations */\r
65#define XML_TOK_NAME_QUESTION 30 /* name? */\r
66#define XML_TOK_NAME_ASTERISK 31 /* name* */\r
67#define XML_TOK_NAME_PLUS 32 /* name+ */\r
68#define XML_TOK_COND_SECT_OPEN 33 /* <![ */\r
69#define XML_TOK_COND_SECT_CLOSE 34 /* ]]> */\r
70#define XML_TOK_CLOSE_PAREN_QUESTION 35 /* )? */\r
71#define XML_TOK_CLOSE_PAREN_ASTERISK 36 /* )* */\r
72#define XML_TOK_CLOSE_PAREN_PLUS 37 /* )+ */\r
73#define XML_TOK_COMMA 38\r
74\r
75/* The following token is returned only by XmlAttributeValueTok */\r
76#define XML_TOK_ATTRIBUTE_VALUE_S 39\r
77\r
78/* The following token is returned only by XmlCdataSectionTok */\r
79#define XML_TOK_CDATA_SECT_CLOSE 40\r
80\r
81/* With namespace processing this is returned by XmlPrologTok for a\r
82 name with a colon.\r
83*/\r
84#define XML_TOK_PREFIXED_NAME 41\r
85\r
86#ifdef XML_DTD\r
87#define XML_TOK_IGNORE_SECT 42\r
88#endif /* XML_DTD */\r
89\r
90#ifdef XML_DTD\r
91#define XML_N_STATES 4\r
92#else /* not XML_DTD */\r
93#define XML_N_STATES 3\r
94#endif /* not XML_DTD */\r
95\r
96#define XML_PROLOG_STATE 0\r
97#define XML_CONTENT_STATE 1\r
98#define XML_CDATA_SECTION_STATE 2\r
99#ifdef XML_DTD\r
100#define XML_IGNORE_SECTION_STATE 3\r
101#endif /* XML_DTD */\r
102\r
103#define XML_N_LITERAL_TYPES 2\r
104#define XML_ATTRIBUTE_VALUE_LITERAL 0\r
105#define XML_ENTITY_VALUE_LITERAL 1\r
106\r
107/* The size of the buffer passed to XmlUtf8Encode must be at least this. */\r
108#define XML_UTF8_ENCODE_MAX 4\r
109/* The size of the buffer passed to XmlUtf16Encode must be at least this. */\r
110#define XML_UTF16_ENCODE_MAX 2\r
111\r
112typedef struct position {\r
113 /* first line and first column are 0 not 1 */\r
114 XML_Size lineNumber;\r
115 XML_Size columnNumber;\r
116} POSITION;\r
117\r
118typedef struct {\r
119 const char *name;\r
120 const char *valuePtr;\r
121 const char *valueEnd;\r
122 char normalized;\r
123} ATTRIBUTE;\r
124\r
125struct encoding;\r
126typedef struct encoding ENCODING;\r
127\r
128typedef int (PTRCALL *SCANNER)(const ENCODING *,\r
129 const char *,\r
130 const char *,\r
131 const char **);\r
132\r
133struct encoding {\r
134 SCANNER scanners[XML_N_STATES];\r
135 SCANNER literalScanners[XML_N_LITERAL_TYPES];\r
136 int (PTRCALL *sameName)(const ENCODING *,\r
137 const char *,\r
138 const char *);\r
139 int (PTRCALL *nameMatchesAscii)(const ENCODING *,\r
140 const char *,\r
141 const char *,\r
142 const char *);\r
143 int (PTRFASTCALL *nameLength)(const ENCODING *, const char *);\r
144 const char *(PTRFASTCALL *skipS)(const ENCODING *, const char *);\r
145 int (PTRCALL *getAtts)(const ENCODING *enc,\r
146 const char *ptr,\r
147 int attsMax,\r
148 ATTRIBUTE *atts);\r
149 int (PTRFASTCALL *charRefNumber)(const ENCODING *enc, const char *ptr);\r
150 int (PTRCALL *predefinedEntityName)(const ENCODING *,\r
151 const char *,\r
152 const char *);\r
153 void (PTRCALL *updatePosition)(const ENCODING *,\r
154 const char *ptr,\r
155 const char *end,\r
156 POSITION *);\r
157 int (PTRCALL *isPublicId)(const ENCODING *enc,\r
158 const char *ptr,\r
159 const char *end,\r
160 const char **badPtr);\r
161 void (PTRCALL *utf8Convert)(const ENCODING *enc,\r
162 const char **fromP,\r
163 const char *fromLim,\r
164 char **toP,\r
165 const char *toLim);\r
166 void (PTRCALL *utf16Convert)(const ENCODING *enc,\r
167 const char **fromP,\r
168 const char *fromLim,\r
169 unsigned short **toP,\r
170 const unsigned short *toLim);\r
171 int minBytesPerChar;\r
172 char isUtf8;\r
173 char isUtf16;\r
174};\r
175\r
176/* Scan the string starting at ptr until the end of the next complete\r
177 token, but do not scan past eptr. Return an integer giving the\r
178 type of token.\r
179\r
180 Return XML_TOK_NONE when ptr == eptr; nextTokPtr will not be set.\r
181\r
182 Return XML_TOK_PARTIAL when the string does not contain a complete\r
183 token; nextTokPtr will not be set.\r
184\r
185 Return XML_TOK_INVALID when the string does not start a valid\r
186 token; nextTokPtr will be set to point to the character which made\r
187 the token invalid.\r
188\r
189 Otherwise the string starts with a valid token; nextTokPtr will be\r
190 set to point to the character following the end of that token.\r
191\r
192 Each data character counts as a single token, but adjacent data\r
193 characters may be returned together. Similarly for characters in\r
194 the prolog outside literals, comments and processing instructions.\r
195*/\r
196\r
197\r
198#define XmlTok(enc, state, ptr, end, nextTokPtr) \\r
199 (((enc)->scanners[state])(enc, ptr, end, nextTokPtr))\r
200\r
201#define XmlPrologTok(enc, ptr, end, nextTokPtr) \\r
202 XmlTok(enc, XML_PROLOG_STATE, ptr, end, nextTokPtr)\r
203\r
204#define XmlContentTok(enc, ptr, end, nextTokPtr) \\r
205 XmlTok(enc, XML_CONTENT_STATE, ptr, end, nextTokPtr)\r
206\r
207#define XmlCdataSectionTok(enc, ptr, end, nextTokPtr) \\r
208 XmlTok(enc, XML_CDATA_SECTION_STATE, ptr, end, nextTokPtr)\r
209\r
210#ifdef XML_DTD\r
211\r
212#define XmlIgnoreSectionTok(enc, ptr, end, nextTokPtr) \\r
213 XmlTok(enc, XML_IGNORE_SECTION_STATE, ptr, end, nextTokPtr)\r
214\r
215#endif /* XML_DTD */\r
216\r
217/* This is used for performing a 2nd-level tokenization on the content\r
218 of a literal that has already been returned by XmlTok.\r
219*/\r
220#define XmlLiteralTok(enc, literalType, ptr, end, nextTokPtr) \\r
221 (((enc)->literalScanners[literalType])(enc, ptr, end, nextTokPtr))\r
222\r
223#define XmlAttributeValueTok(enc, ptr, end, nextTokPtr) \\r
224 XmlLiteralTok(enc, XML_ATTRIBUTE_VALUE_LITERAL, ptr, end, nextTokPtr)\r
225\r
226#define XmlEntityValueTok(enc, ptr, end, nextTokPtr) \\r
227 XmlLiteralTok(enc, XML_ENTITY_VALUE_LITERAL, ptr, end, nextTokPtr)\r
228\r
229#define XmlSameName(enc, ptr1, ptr2) (((enc)->sameName)(enc, ptr1, ptr2))\r
230\r
231#define XmlNameMatchesAscii(enc, ptr1, end1, ptr2) \\r
232 (((enc)->nameMatchesAscii)(enc, ptr1, end1, ptr2))\r
233\r
234#define XmlNameLength(enc, ptr) \\r
235 (((enc)->nameLength)(enc, ptr))\r
236\r
237#define XmlSkipS(enc, ptr) \\r
238 (((enc)->skipS)(enc, ptr))\r
239\r
240#define XmlGetAttributes(enc, ptr, attsMax, atts) \\r
241 (((enc)->getAtts)(enc, ptr, attsMax, atts))\r
242\r
243#define XmlCharRefNumber(enc, ptr) \\r
244 (((enc)->charRefNumber)(enc, ptr))\r
245\r
246#define XmlPredefinedEntityName(enc, ptr, end) \\r
247 (((enc)->predefinedEntityName)(enc, ptr, end))\r
248\r
249#define XmlUpdatePosition(enc, ptr, end, pos) \\r
250 (((enc)->updatePosition)(enc, ptr, end, pos))\r
251\r
252#define XmlIsPublicId(enc, ptr, end, badPtr) \\r
253 (((enc)->isPublicId)(enc, ptr, end, badPtr))\r
254\r
255#define XmlUtf8Convert(enc, fromP, fromLim, toP, toLim) \\r
256 (((enc)->utf8Convert)(enc, fromP, fromLim, toP, toLim))\r
257\r
258#define XmlUtf16Convert(enc, fromP, fromLim, toP, toLim) \\r
259 (((enc)->utf16Convert)(enc, fromP, fromLim, toP, toLim))\r
260\r
261typedef struct {\r
262 ENCODING initEnc;\r
263 const ENCODING **encPtr;\r
264} INIT_ENCODING;\r
265\r
266int XmlParseXmlDecl(int isGeneralTextEntity,\r
267 const ENCODING *enc,\r
268 const char *ptr,\r
269 const char *end,\r
270 const char **badPtr,\r
271 const char **versionPtr,\r
272 const char **versionEndPtr,\r
273 const char **encodingNamePtr,\r
274 const ENCODING **namedEncodingPtr,\r
275 int *standalonePtr);\r
276\r
277int XmlInitEncoding(INIT_ENCODING *, const ENCODING **, const char *name);\r
278const ENCODING *XmlGetUtf8InternalEncoding(void);\r
279const ENCODING *XmlGetUtf16InternalEncoding(void);\r
280int FASTCALL XmlUtf8Encode(int charNumber, char *buf);\r
281int FASTCALL XmlUtf16Encode(int charNumber, unsigned short *buf);\r
282int XmlSizeOfUnknownEncoding(void);\r
283\r
284\r
285typedef int (XMLCALL *CONVERTER) (void *userData, const char *p);\r
286\r
287ENCODING *\r
288XmlInitUnknownEncoding(void *mem,\r
289 int *table,\r
290 CONVERTER convert,\r
291 void *userData);\r
292\r
293int XmlParseXmlDeclNS(int isGeneralTextEntity,\r
294 const ENCODING *enc,\r
295 const char *ptr,\r
296 const char *end,\r
297 const char **badPtr,\r
298 const char **versionPtr,\r
299 const char **versionEndPtr,\r
300 const char **encodingNamePtr,\r
301 const ENCODING **namedEncodingPtr,\r
302 int *standalonePtr);\r
303\r
304int XmlInitEncodingNS(INIT_ENCODING *, const ENCODING **, const char *name);\r
305const ENCODING *XmlGetUtf8InternalEncodingNS(void);\r
306const ENCODING *XmlGetUtf16InternalEncodingNS(void);\r
307ENCODING *\r
308XmlInitUnknownEncodingNS(void *mem,\r
309 int *table,\r
310 CONVERTER convert,\r
311 void *userData);\r
312#ifdef __cplusplus\r
313}\r
314#endif\r
315\r
316#endif /* not XmlTok_INCLUDED */\r