1 #ifndef PCRS_H_INCLUDED
2 #define PCRS_H_INCLUDED
4 /*********************************************************************
6 * File : $Source: /cvsroot/ijbswa/current/Attic/pcrs.h,v $
8 * Purpose : Header file for pcrs.c
10 * Copyright : see pcrs.c
14 * Revision 1.11 2002/03/08 14:18:23 oes
15 * Fixing -Wconversion warnings
17 * Revision 1.10 2002/03/08 13:44:48 oes
18 * Hiding internal functions, preventing double inclusion of pcre.h
20 * Revision 1.9 2001/08/18 11:35:29 oes
21 * - Introduced pcrs_strerror()
22 * - added pcrs_execute_list()
24 * Revision 1.8 2001/08/15 15:32:50 oes
25 * Replaced the hard limit for the maximum number of matches
26 * by dynamic reallocation
28 * Revision 1.7 2001/08/05 13:13:11 jongfoster
29 * Making parameters "const" where possible.
31 * Revision 1.6 2001/07/29 18:52:06 jongfoster
32 * Renaming _PCRS_H, and adding "extern C {}"
34 * Revision 1.5 2001/07/18 17:27:00 oes
35 * Changed interface; Cosmetics
37 * Revision 1.4 2001/06/29 13:33:19 oes
38 * - Cleaned up, commented and adapted to reflect the
40 * - Introduced the PCRS_* flags
42 * Revision 1.3 2001/06/09 10:58:57 jongfoster
43 * Removing a single unused #define which referenced BUFSIZ
45 * Revision 1.2 2001/05/25 11:03:55 oes
46 * Added sanity check for NULL jobs to pcrs_exec_substitution
48 * Revision 1.1.1.1 2001/05/15 13:59:02 oes
49 * Initial import of version 2.9.3 source tree
51 * Revision 1.4 2001/05/11 01:57:02 rodney
52 * Added new file header standard w/RCS control tags.
54 * revision 1.3 2001/05/08 02:38:13 rodney
55 * Changed C++ "//" style comment to C style comments.
57 * revision 1.2 2001/04/30 02:39:24 rodney
58 * Made this pcrs.h file conditionally included.
60 * revision 1.1 2001/04/16 21:10:38 rodney
63 *********************************************************************/
65 #define PCRS_H_VERSION "$Id: pcrs.h,v 1.11 2002/03/08 14:18:23 oes Exp $"
84 #define PCRS_MAX_SUBMATCHES 33 /* Maximum number of capturing subpatterns allowed. MUST be <= 99! FIXME: Should be dynamic */
85 #define PCRS_MAX_MATCH_INIT 40 /* Initial amount of matches that can be stored in global searches */
86 #define PCRS_MAX_MATCH_GROW 1.6 /* Factor by which storage for matches is extended if exhausted */
89 #define PCRS_ERR_NOMEM -10 /* Failed to acquire memory. */
90 #define PCRS_ERR_CMDSYNTAX -11 /* Syntax of s///-command */
91 #define PCRS_ERR_STUDY -12 /* pcre error while studying the pattern */
92 #define PCRS_ERR_BADJOB -13 /* NULL job pointer, pattern or substitute */
93 #define PCRS_WARN_BADREF -14 /* Backreference out of range */
96 #define PCRS_GLOBAL 1 /* Job should be applied globally, as with perl's g option */
97 #define PCRS_TRIVIAL 2 /* Backreferences in the substitute are ignored */
98 #define PCRS_SUCCESS 4 /* Job did previously match */
105 /* A compiled substitute */
108 char *text; /* The plaintext part of the substitute, with all backreferences stripped */
109 int backrefs; /* The number of backreferences */
110 int block_offset[PCRS_MAX_SUBMATCHES]; /* Array with the offsets of all plaintext blocks in text */
111 size_t block_length[PCRS_MAX_SUBMATCHES]; /* Array with the lengths of all plaintext blocks in text */
112 int backref[PCRS_MAX_SUBMATCHES]; /* Array with the backref number for all plaintext block borders */
113 int backref_count[PCRS_MAX_SUBMATCHES + 2]; /* Array with the number of references to each backref index */
118 * A match, including all captured subpatterns (submatches)
119 * Note: The zeroth is the whole match, the PCRS_MAX_SUBMATCHES + 0th
120 * is the range before the match, the PCRS_MAX_SUBMATCHES + 1th is the
121 * range after the match.
125 int submatches; /* Number of captured subpatterns */
126 int submatch_offset[PCRS_MAX_SUBMATCHES + 2]; /* Offset for each submatch in the subject */
127 size_t submatch_length[PCRS_MAX_SUBMATCHES + 2]; /* Length of each submatch in the subject */
133 typedef struct PCRS_JOB {
134 pcre *pattern; /* The compiled pcre pattern */
135 pcre_extra *hints; /* The pcre hints for the pattern */
136 int options; /* The pcre options (numeric) */
137 int flags; /* The pcrs and user flags (see "Flags" above) */
138 pcrs_substitute *substitute; /* The compiled pcrs substitute */
139 struct PCRS_JOB *next; /* Pointer for chaining jobs to joblists */
148 extern pcrs_job *pcrs_compile_command(const char *command, int *errptr);
149 extern pcrs_job *pcrs_compile(const char *pattern, const char *substitute, const char *options, int *errptr);
150 extern int pcrs_execute(pcrs_job *job, char *subject, size_t subject_length, char **result, size_t *result_length);
151 extern int pcrs_execute_list(pcrs_job *joblist, char *subject, size_t subject_length, char **result, size_t *result_length);
154 extern pcrs_job *pcrs_free_job(pcrs_job *job);
155 extern void pcrs_free_joblist(pcrs_job *joblist);
157 /* Info on errors: */
158 extern const char *pcrs_strerror(const int error);
165 #endif /* ndef PCRS_H_INCLUDED */