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xmltok.h
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1 /* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
2  See the file COPYING for copying permission.
3 */
4 
5 #ifndef XmlTok_INCLUDED
6 #define XmlTok_INCLUDED 1
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 /* The following token may be returned by XmlContentTok */
13 #define XML_TOK_TRAILING_RSQB -5 /* ] or ]] at the end of the scan; might be
14  start of illegal ]]> sequence */
15 /* The following tokens may be returned by both XmlPrologTok and
16  XmlContentTok.
17 */
18 #define XML_TOK_NONE -4 /* The string to be scanned is empty */
19 #define XML_TOK_TRAILING_CR -3 /* A CR at the end of the scan;
20  might be part of CRLF sequence */
21 #define XML_TOK_PARTIAL_CHAR -2 /* only part of a multibyte sequence */
22 #define XML_TOK_PARTIAL -1 /* only part of a token */
23 #define XML_TOK_INVALID 0
24 
25 /* The following tokens are returned by XmlContentTok; some are also
26  returned by XmlAttributeValueTok, XmlEntityTok, XmlCdataSectionTok.
27 */
28 #define XML_TOK_START_TAG_WITH_ATTS 1
29 #define XML_TOK_START_TAG_NO_ATTS 2
30 #define XML_TOK_EMPTY_ELEMENT_WITH_ATTS 3 /* empty element tag <e/> */
31 #define XML_TOK_EMPTY_ELEMENT_NO_ATTS 4
32 #define XML_TOK_END_TAG 5
33 #define XML_TOK_DATA_CHARS 6
34 #define XML_TOK_DATA_NEWLINE 7
35 #define XML_TOK_CDATA_SECT_OPEN 8
36 #define XML_TOK_ENTITY_REF 9
37 #define XML_TOK_CHAR_REF 10 /* numeric character reference */
38 
39 /* The following tokens may be returned by both XmlPrologTok and
40  XmlContentTok.
41 */
42 #define XML_TOK_PI 11 /* processing instruction */
43 #define XML_TOK_XML_DECL 12 /* XML decl or text decl */
44 #define XML_TOK_COMMENT 13
45 #define XML_TOK_BOM 14 /* Byte order mark */
46 
47 /* The following tokens are returned only by XmlPrologTok */
48 #define XML_TOK_PROLOG_S 15
49 #define XML_TOK_DECL_OPEN 16 /* <!foo */
50 #define XML_TOK_DECL_CLOSE 17 /* > */
51 #define XML_TOK_NAME 18
52 #define XML_TOK_NMTOKEN 19
53 #define XML_TOK_POUND_NAME 20 /* #name */
54 #define XML_TOK_OR 21 /* | */
55 #define XML_TOK_PERCENT 22
56 #define XML_TOK_OPEN_PAREN 23
57 #define XML_TOK_CLOSE_PAREN 24
58 #define XML_TOK_OPEN_BRACKET 25
59 #define XML_TOK_CLOSE_BRACKET 26
60 #define XML_TOK_LITERAL 27
61 #define XML_TOK_PARAM_ENTITY_REF 28
62 #define XML_TOK_INSTANCE_START 29
63 
64 /* The following occur only in element type declarations */
65 #define XML_TOK_NAME_QUESTION 30 /* name? */
66 #define XML_TOK_NAME_ASTERISK 31 /* name* */
67 #define XML_TOK_NAME_PLUS 32 /* name+ */
68 #define XML_TOK_COND_SECT_OPEN 33 /* <![ */
69 #define XML_TOK_COND_SECT_CLOSE 34 /* ]]> */
70 #define XML_TOK_CLOSE_PAREN_QUESTION 35 /* )? */
71 #define XML_TOK_CLOSE_PAREN_ASTERISK 36 /* )* */
72 #define XML_TOK_CLOSE_PAREN_PLUS 37 /* )+ */
73 #define XML_TOK_COMMA 38
74 
75 /* The following token is returned only by XmlAttributeValueTok */
76 #define XML_TOK_ATTRIBUTE_VALUE_S 39
77 
78 /* The following token is returned only by XmlCdataSectionTok */
79 #define XML_TOK_CDATA_SECT_CLOSE 40
80 
81 /* With namespace processing this is returned by XmlPrologTok for a
82  name with a colon.
83 */
84 #define XML_TOK_PREFIXED_NAME 41
85 
86 #ifdef XML_DTD
87 #define XML_TOK_IGNORE_SECT 42
88 #endif /* XML_DTD */
89 
90 #ifdef XML_DTD
91 #define XML_N_STATES 4
92 #else /* not XML_DTD */
93 #define XML_N_STATES 3
94 #endif /* not XML_DTD */
95 
96 #define XML_PROLOG_STATE 0
97 #define XML_CONTENT_STATE 1
98 #define XML_CDATA_SECTION_STATE 2
99 #ifdef XML_DTD
100 #define XML_IGNORE_SECTION_STATE 3
101 #endif /* XML_DTD */
102 
103 #define XML_N_LITERAL_TYPES 2
104 #define XML_ATTRIBUTE_VALUE_LITERAL 0
105 #define XML_ENTITY_VALUE_LITERAL 1
106 
107 /* The size of the buffer passed to XmlUtf8Encode must be at least this. */
108 #define XML_UTF8_ENCODE_MAX 4
109 /* The size of the buffer passed to XmlUtf16Encode must be at least this. */
110 #define XML_UTF16_ENCODE_MAX 2
111 
112 typedef struct position {
113  /* first line and first column are 0 not 1 */
116 } POSITION;
117 
118 typedef struct {
119  const char *name;
120  const char *valuePtr;
121  const char *valueEnd;
123 } ATTRIBUTE;
124 
125 struct encoding;
126 typedef struct encoding ENCODING;
127 
128 typedef int (PTRCALL *SCANNER)(const ENCODING *,
129  const char *,
130  const char *,
131  const char **);
132 
133 struct encoding {
136  int (PTRCALL *sameName)(const ENCODING *,
137  const char *,
138  const char *);
139  int (PTRCALL *nameMatchesAscii)(const ENCODING *,
140  const char *,
141  const char *,
142  const char *);
143  int (PTRFASTCALL *nameLength)(const ENCODING *, const char *);
144  const char *(PTRFASTCALL *skipS)(const ENCODING *, const char *);
145  int (PTRCALL *getAtts)(const ENCODING *enc,
146  const char *ptr,
147  int attsMax,
148  ATTRIBUTE *atts);
149  int (PTRFASTCALL *charRefNumber)(const ENCODING *enc, const char *ptr);
150  int (PTRCALL *predefinedEntityName)(const ENCODING *,
151  const char *,
152  const char *);
153  void (PTRCALL *updatePosition)(const ENCODING *,
154  const char *ptr,
155  const char *end,
156  POSITION *);
157  int (PTRCALL *isPublicId)(const ENCODING *enc,
158  const char *ptr,
159  const char *end,
160  const char **badPtr);
161  void (PTRCALL *utf8Convert)(const ENCODING *enc,
162  const char **fromP,
163  const char *fromLim,
164  char **toP,
165  const char *toLim);
166  void (PTRCALL *utf16Convert)(const ENCODING *enc,
167  const char **fromP,
168  const char *fromLim,
169  unsigned short **toP,
170  const unsigned short *toLim);
172  char isUtf8;
173  char isUtf16;
174 };
175 
176 /* Scan the string starting at ptr until the end of the next complete
177  token, but do not scan past eptr. Return an integer giving the
178  type of token.
179 
180  Return XML_TOK_NONE when ptr == eptr; nextTokPtr will not be set.
181 
182  Return XML_TOK_PARTIAL when the string does not contain a complete
183  token; nextTokPtr will not be set.
184 
185  Return XML_TOK_INVALID when the string does not start a valid
186  token; nextTokPtr will be set to point to the character which made
187  the token invalid.
188 
189  Otherwise the string starts with a valid token; nextTokPtr will be
190  set to point to the character following the end of that token.
191 
192  Each data character counts as a single token, but adjacent data
193  characters may be returned together. Similarly for characters in
194  the prolog outside literals, comments and processing instructions.
195 */
196 
197 
198 #define XmlTok(enc, state, ptr, end, nextTokPtr) \
199  (((enc)->scanners[state])(enc, ptr, end, nextTokPtr))
200 
201 #define XmlPrologTok(enc, ptr, end, nextTokPtr) \
202  XmlTok(enc, XML_PROLOG_STATE, ptr, end, nextTokPtr)
203 
204 #define XmlContentTok(enc, ptr, end, nextTokPtr) \
205  XmlTok(enc, XML_CONTENT_STATE, ptr, end, nextTokPtr)
206 
207 #define XmlCdataSectionTok(enc, ptr, end, nextTokPtr) \
208  XmlTok(enc, XML_CDATA_SECTION_STATE, ptr, end, nextTokPtr)
209 
210 #ifdef XML_DTD
211 
212 #define XmlIgnoreSectionTok(enc, ptr, end, nextTokPtr) \
213  XmlTok(enc, XML_IGNORE_SECTION_STATE, ptr, end, nextTokPtr)
214 
215 #endif /* XML_DTD */
216 
217 /* This is used for performing a 2nd-level tokenization on the content
218  of a literal that has already been returned by XmlTok.
219 */
220 #define XmlLiteralTok(enc, literalType, ptr, end, nextTokPtr) \
221  (((enc)->literalScanners[literalType])(enc, ptr, end, nextTokPtr))
222 
223 #define XmlAttributeValueTok(enc, ptr, end, nextTokPtr) \
224  XmlLiteralTok(enc, XML_ATTRIBUTE_VALUE_LITERAL, ptr, end, nextTokPtr)
225 
226 #define XmlEntityValueTok(enc, ptr, end, nextTokPtr) \
227  XmlLiteralTok(enc, XML_ENTITY_VALUE_LITERAL, ptr, end, nextTokPtr)
228 
229 #define XmlSameName(enc, ptr1, ptr2) (((enc)->sameName)(enc, ptr1, ptr2))
230 
231 #define XmlNameMatchesAscii(enc, ptr1, end1, ptr2) \
232  (((enc)->nameMatchesAscii)(enc, ptr1, end1, ptr2))
233 
234 #define XmlNameLength(enc, ptr) \
235  (((enc)->nameLength)(enc, ptr))
236 
237 #define XmlSkipS(enc, ptr) \
238  (((enc)->skipS)(enc, ptr))
239 
240 #define XmlGetAttributes(enc, ptr, attsMax, atts) \
241  (((enc)->getAtts)(enc, ptr, attsMax, atts))
242 
243 #define XmlCharRefNumber(enc, ptr) \
244  (((enc)->charRefNumber)(enc, ptr))
245 
246 #define XmlPredefinedEntityName(enc, ptr, end) \
247  (((enc)->predefinedEntityName)(enc, ptr, end))
248 
249 #define XmlUpdatePosition(enc, ptr, end, pos) \
250  (((enc)->updatePosition)(enc, ptr, end, pos))
251 
252 #define XmlIsPublicId(enc, ptr, end, badPtr) \
253  (((enc)->isPublicId)(enc, ptr, end, badPtr))
254 
255 #define XmlUtf8Convert(enc, fromP, fromLim, toP, toLim) \
256  (((enc)->utf8Convert)(enc, fromP, fromLim, toP, toLim))
257 
258 #define XmlUtf16Convert(enc, fromP, fromLim, toP, toLim) \
259  (((enc)->utf16Convert)(enc, fromP, fromLim, toP, toLim))
260 
261 typedef struct {
262  ENCODING initEnc;
263  const ENCODING **encPtr;
264 } INIT_ENCODING;
265 
266 int XmlParseXmlDecl(int isGeneralTextEntity,
267  const ENCODING *enc,
268  const char *ptr,
269  const char *end,
270  const char **badPtr,
271  const char **versionPtr,
272  const char **versionEndPtr,
273  const char **encodingNamePtr,
274  const ENCODING **namedEncodingPtr,
275  int *standalonePtr);
276 
277 int XmlInitEncoding(INIT_ENCODING *, const ENCODING **, const char *name);
278 const ENCODING *XmlGetUtf8InternalEncoding(void);
279 const ENCODING *XmlGetUtf16InternalEncoding(void);
280 int FASTCALL XmlUtf8Encode(int charNumber, char *buf);
281 int FASTCALL XmlUtf16Encode(int charNumber, unsigned short *buf);
282 int XmlSizeOfUnknownEncoding(void);
283 
284 
285 typedef int (XMLCALL *CONVERTER) (void *userData, const char *p);
286 
287 ENCODING *
288 XmlInitUnknownEncoding(void *mem,
289  int *table,
290  CONVERTER convert,
291  void *userData);
292 
293 int XmlParseXmlDeclNS(int isGeneralTextEntity,
294  const ENCODING *enc,
295  const char *ptr,
296  const char *end,
297  const char **badPtr,
298  const char **versionPtr,
299  const char **versionEndPtr,
300  const char **encodingNamePtr,
301  const ENCODING **namedEncodingPtr,
302  int *standalonePtr);
303 
304 int XmlInitEncodingNS(INIT_ENCODING *, const ENCODING **, const char *name);
305 const ENCODING *XmlGetUtf8InternalEncodingNS(void);
306 const ENCODING *XmlGetUtf16InternalEncodingNS(void);
307 ENCODING *
308 XmlInitUnknownEncodingNS(void *mem,
309  int *table,
310  CONVERTER convert,
311  void *userData);
312 #ifdef __cplusplus
313 }
314 #endif
315 
316 #endif /* not XmlTok_INCLUDED */
int XmlParseXmlDecl(int isGeneralTextEntity, const ENCODING *enc, const char *ptr, const char *end, const char **badPtr, const char **versionPtr, const char **versionEndPtr, const char **encodingNamePtr, const ENCODING **namedEncodingPtr, int *standalonePtr)
const XML_Char * name
Definition: expat.h:151
const char const char const char const char * end
Definition: xmltok.h:154
const char const char const char * ptr
Definition: xmltok.h:154
const char const char unsigned short ** toP
Definition: xmltok.h:167
const char int ATTRIBUTE * atts
Definition: xmltok.h:146
XML_Size lineNumber
Definition: xmltok.h:114
int XmlInitEncodingNS(INIT_ENCODING *, const ENCODING **, const char *name)
XML_Size columnNumber
Definition: xmltok.h:115
char isUtf16
Definition: xmltok.h:173
const char int attsMax
Definition: xmltok.h:146
#define PTRFASTCALL
Definition: internal.h:56
#define PTRCALL
Definition: internal.h:52
const char const char * fromLim
Definition: xmltok.h:162
const char * p
Definition: xmltok.h:285
int minBytesPerChar
Definition: xmltok.h:171
int(PTRCALL *sameName)(const ENCODING *
ENCODING * XmlInitUnknownEncodingNS(void *mem, int *table, CONVERTER convert, void *userData)
const char ** fromP
Definition: xmltok.h:162
SCANNER scanners[XML_N_STATES]
Definition: xmltok.h:134
const char const char char const char * toLim
Definition: xmltok.h:162
#define FASTCALL
Definition: internal.h:48
int FASTCALL XmlUtf16Encode(int charNum, unsigned short *buf)
Definition: xmltok.cc:1235
#define userData
Definition: xmlparse.cc:572
const char const char const char const char POSITION const char const char const char ** badPtr
Definition: xmltok.h:158
int XmlSizeOfUnknownEncoding(void)
Definition: xmltok.cc:1263
int FASTCALL XmlUtf8Encode(int c, char *buf)
Definition: xmltok.cc:1198
const ENCODING * XmlGetUtf8InternalEncodingNS(void)
#define XML_N_STATES
Definition: xmltok.h:93
const char * valuePtr
Definition: xmltok.h:120
typedef int(XMLCALL *XML_NotStandaloneHandler)(void *userData)
char isUtf8
Definition: xmltok.h:172
const ENCODING ** encPtr
Definition: xmltok.h:263
#define XML_N_LITERAL_TYPES
Definition: xmltok.h:103
ENCODING initEnc
Definition: xmltok.h:262
int XmlInitEncoding(INIT_ENCODING *, const ENCODING **, const char *name)
char normalized
Definition: xmltok.h:122
SCANNER literalScanners[XML_N_LITERAL_TYPES]
Definition: xmltok.h:135
const char * name
Definition: xmltok.h:119
ENCODING * XmlInitUnknownEncoding(void *mem, int *table, CONVERTER convert, void *userData)
Definition: xmltok.cc:1351
const ENCODING * XmlGetUtf16InternalEncoding(void)
struct position POSITION
const char const char const char const char const char const char *const char *PTRFASTCALL * skipS(const ENCODING *, const char *)
int XmlParseXmlDeclNS(int isGeneralTextEntity, const ENCODING *enc, const char *ptr, const char *end, const char **badPtr, const char **versionPtr, const char **versionEndPtr, const char **encodingNamePtr, const ENCODING **namedEncodingPtr, int *standalonePtr)
const char * valueEnd
Definition: xmltok.h:121
int(PTRCALL * SCANNER)(const ENCODING *, const char *, const char *, const char **)
Definition: xmltok.h:128
#define XMLCALL
const char const char char ** toP
Definition: xmltok.h:162
const char const char const char const char POSITION const char * ptr
Definition: xmltok.h:158
const ENCODING * XmlGetUtf16InternalEncodingNS(void)
unsigned long XML_Size
const char * ptr
Definition: xmltok.h:146
const ENCODING * XmlGetUtf8InternalEncoding(void)
const char const char * void(PTRCALL *updatePosition)(const ENCODING *