1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
* Summary: regular expressions handling
* Description: basic API for libxml regular expressions handling used
* for XML Schemas and validation.
*
* Copy: See Copyright for the status of this software.
*
* Author: Daniel Veillard
*/
#ifndef __XML_REGEXP_H__
#define __XML_REGEXP_H__
#include <libxml/xmlversion.h>
#ifdef LIBXML_REGEXP_ENABLED
#ifdef __cplusplus
extern "C" {
#endif
/**
* xmlRegexpPtr:
*
* A libxml regular expression, they can actually be far more complex
* thank the POSIX regex expressions.
*/
typedef struct _xmlRegexp xmlRegexp;
typedef xmlRegexp *xmlRegexpPtr;
/**
* xmlRegExecCtxtPtr:
*
* A libxml progressive regular expression evaluation context
*/
typedef struct _xmlRegExecCtxt xmlRegExecCtxt;
typedef xmlRegExecCtxt *xmlRegExecCtxtPtr;
#ifdef __cplusplus
}
#endif
#include <libxml/tree.h>
#include <libxml/dict.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The POSIX like API
*/
XMLPUBFUN xmlRegexpPtr XMLCALL
xmlRegexpCompile (const xmlChar *regexp);
XMLPUBFUN void XMLCALL xmlRegFreeRegexp(xmlRegexpPtr regexp);
XMLPUBFUN int XMLCALL
xmlRegexpExec (xmlRegexpPtr comp,
const xmlChar *value);
XMLPUBFUN void XMLCALL
xmlRegexpPrint (FILE *output,
xmlRegexpPtr regexp);
XMLPUBFUN int XMLCALL
xmlRegexpIsDeterminist(xmlRegexpPtr comp);
/**
* xmlRegExecCallbacks:
* @exec: the regular expression context
* @token: the current token string
* @transdata: transition data
* @inputdata: input data
*
* Callback function when doing a transition in the automata
*/
typedef void (*xmlRegExecCallbacks) (xmlRegExecCtxtPtr exec,
const xmlChar *token,
void *transdata,
void *inputdata);
/*
* The progressive API
*/
XMLPUBFUN xmlRegExecCtxtPtr XMLCALL
xmlRegNewExecCtxt (xmlRegexpPtr comp,
xmlRegExecCallbacks callback,
void *data);
XMLPUBFUN void XMLCALL
xmlRegFreeExecCtxt (xmlRegExecCtxtPtr exec);
XMLPUBFUN int XMLCALL
xmlRegExecPushString(xmlRegExecCtxtPtr exec,
const xmlChar *value,
void *data);
XMLPUBFUN int XMLCALL
xmlRegExecPushString2(xmlRegExecCtxtPtr exec,
const xmlChar *value,
const xmlChar *value2,
void *data);
XMLPUBFUN int XMLCALL
xmlRegExecNextValues(xmlRegExecCtxtPtr exec,
int *nbval,
int *nbneg,
xmlChar **values,
int *terminal);
XMLPUBFUN int XMLCALL
xmlRegExecErrInfo (xmlRegExecCtxtPtr exec,
const xmlChar **string,
int *nbval,
int *nbneg,
xmlChar **values,
int *terminal);
#ifdef LIBXML_EXPR_ENABLED
/*
* Formal regular expression handling
* Its goal is to do some formal work on content models
*/
/* expressions are used within a context */
typedef struct _xmlExpCtxt xmlExpCtxt;
typedef xmlExpCtxt *xmlExpCtxtPtr;
XMLPUBFUN void XMLCALL
xmlExpFreeCtxt (xmlExpCtxtPtr ctxt);
XMLPUBFUN xmlExpCtxtPtr XMLCALL
xmlExpNewCtxt (int maxNodes,
xmlDictPtr dict);
XMLPUBFUN int XMLCALL
xmlExpCtxtNbNodes(xmlExpCtxtPtr ctxt);
XMLPUBFUN int XMLCALL
xmlExpCtxtNbCons(xmlExpCtxtPtr ctxt);
/* Expressions are trees but the tree is opaque */
typedef struct _xmlExpNode xmlExpNode;
typedef xmlExpNode *xmlExpNodePtr;
typedef enum {
XML_EXP_EMPTY = 0,
XML_EXP_FORBID = 1,
XML_EXP_ATOM = 2,
XML_EXP_SEQ = 3,
XML_EXP_OR = 4,
XML_EXP_COUNT = 5
} xmlExpNodeType;
/*
* 2 core expressions shared by all for the empty language set
* and for the set with just the empty token
*/
XMLPUBVAR xmlExpNodePtr forbiddenExp;
XMLPUBVAR xmlExpNodePtr emptyExp;
/*
* Expressions are reference counted internally
*/
XMLPUBFUN void XMLCALL
xmlExpFree (xmlExpCtxtPtr ctxt,
xmlExpNodePtr expr);
XMLPUBFUN void XMLCALL
xmlExpRef (xmlExpNodePtr expr);
/*
* constructors can be either manual or from a string
*/
XMLPUBFUN xmlExpNodePtr XMLCALL
xmlExpParse (xmlExpCtxtPtr ctxt,
const char *expr);
XMLPUBFUN xmlExpNodePtr XMLCALL
xmlExpNewAtom (xmlExpCtxtPtr ctxt,
const xmlChar *name,
int len);
XMLPUBFUN xmlExpNodePtr XMLCALL
xmlExpNewOr (xmlExpCtxtPtr ctxt,
xmlExpNodePtr left,
xmlExpNodePtr right);
XMLPUBFUN xmlExpNodePtr XMLCALL
xmlExpNewSeq (xmlExpCtxtPtr ctxt,
xmlExpNodePtr left,
xmlExpNodePtr right);
XMLPUBFUN xmlExpNodePtr XMLCALL
xmlExpNewRange (xmlExpCtxtPtr ctxt,
xmlExpNodePtr subset,
int min,
int max);
/*
* The really interesting APIs
*/
XMLPUBFUN int XMLCALL
xmlExpIsNillable(xmlExpNodePtr expr);
XMLPUBFUN int XMLCALL
xmlExpMaxToken (xmlExpNodePtr expr);
XMLPUBFUN int XMLCALL
xmlExpGetLanguage(xmlExpCtxtPtr ctxt,
xmlExpNodePtr expr,
const xmlChar**langList,
int len);
XMLPUBFUN int XMLCALL
xmlExpGetStart (xmlExpCtxtPtr ctxt,
xmlExpNodePtr expr,
const xmlChar**tokList,
int len);
XMLPUBFUN xmlExpNodePtr XMLCALL
xmlExpStringDerive(xmlExpCtxtPtr ctxt,
xmlExpNodePtr expr,
const xmlChar *str,
int len);
XMLPUBFUN xmlExpNodePtr XMLCALL
xmlExpExpDerive (xmlExpCtxtPtr ctxt,
xmlExpNodePtr expr,
xmlExpNodePtr sub);
XMLPUBFUN int XMLCALL
xmlExpSubsume (xmlExpCtxtPtr ctxt,
xmlExpNodePtr expr,
xmlExpNodePtr sub);
XMLPUBFUN void XMLCALL
xmlExpDump (xmlBufferPtr buf,
xmlExpNodePtr expr);
#endif /* LIBXML_EXPR_ENABLED */
#ifdef __cplusplus
}
#endif
#endif /* LIBXML_REGEXP_ENABLED */
#endif /*__XML_REGEXP_H__ */
|
