00001 /************************************************* 00002 * Perl-Compatible Regular Expressions * 00003 *************************************************/ 00004 00005 #ifndef _PCREPOSIX_H 00006 #define _PCREPOSIX_H 00007 00008 /* This is the header for the POSIX wrapper interface to the PCRE Perl- 00009 Compatible Regular Expression library. It defines the things POSIX says should 00010 be there. I hope. 00011 00012 Copyright (c) 1997-2004 University of Cambridge 00013 00014 ----------------------------------------------------------------------------- 00015 Redistribution and use in source and binary forms, with or without 00016 modification, are permitted provided that the following conditions are met: 00017 00018 * Redistributions of source code must retain the above copyright notice, 00019 this list of conditions and the following disclaimer. 00020 00021 * Redistributions in binary form must reproduce the above copyright 00022 notice, this list of conditions and the following disclaimer in the 00023 documentation and/or other materials provided with the distribution. 00024 00025 * Neither the name of the University of Cambridge nor the names of its 00026 contributors may be used to endorse or promote products derived from 00027 this software without specific prior written permission. 00028 00029 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00030 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00031 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00032 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00033 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00034 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00035 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00036 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00037 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00038 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00039 POSSIBILITY OF SUCH DAMAGE. 00040 ----------------------------------------------------------------------------- 00041 */ 00042 00043 /* Have to include stdlib.h in order to ensure that size_t is defined. */ 00044 00045 #include <stdlib.h> 00046 00047 /* Allow for C++ users */ 00048 00049 #ifdef __cplusplus 00050 extern "C" { 00051 #endif 00052 00053 /* Options defined by POSIX. */ 00054 00055 #define REG_ICASE 0x01 00056 #define REG_NEWLINE 0x02 00057 #define REG_NOTBOL 0x04 00058 #define REG_NOTEOL 0x08 00059 00060 /* These are not used by PCRE, but by defining them we make it easier 00061 to slot PCRE into existing programs that make POSIX calls. */ 00062 00063 #define REG_EXTENDED 0 00064 #define REG_NOSUB 0 00065 00066 /* Error values. Not all these are relevant or used by the wrapper. */ 00067 00068 enum { 00069 REG_ASSERT = 1, /* internal error ? */ 00070 REG_BADBR, /* invalid repeat counts in {} */ 00071 REG_BADPAT, /* pattern error */ 00072 REG_BADRPT, /* ? * + invalid */ 00073 REG_EBRACE, /* unbalanced {} */ 00074 REG_EBRACK, /* unbalanced [] */ 00075 REG_ECOLLATE, /* collation error - not relevant */ 00076 REG_ECTYPE, /* bad class */ 00077 REG_EESCAPE, /* bad escape sequence */ 00078 REG_EMPTY, /* empty expression */ 00079 REG_EPAREN, /* unbalanced () */ 00080 REG_ERANGE, /* bad range inside [] */ 00081 REG_ESIZE, /* expression too big */ 00082 REG_ESPACE, /* failed to get memory */ 00083 REG_ESUBREG, /* bad back reference */ 00084 REG_INVARG, /* bad argument */ 00085 REG_NOMATCH /* match failed */ 00086 }; 00087 00088 00089 /* The structure representing a compiled regular expression. */ 00090 00091 typedef struct { 00092 void *re_pcre; 00093 size_t re_nsub; 00094 size_t re_erroffset; 00095 } regex_t; 00096 00097 /* The structure in which a captured offset is returned. */ 00098 00099 typedef int regoff_t; 00100 00101 typedef struct { 00102 regoff_t rm_so; 00103 regoff_t rm_eo; 00104 } regmatch_t; 00105 00106 /* The functions */ 00107 00108 extern int regcomp(regex_t *, const char *, int); 00109 extern int regexec(const regex_t *, const char *, size_t, regmatch_t *, int); 00110 extern size_t regerror(int, const regex_t *, char *, size_t); 00111 extern void regfree(regex_t *); 00112 00113 #ifdef __cplusplus 00114 } /* extern "C" */ 00115 #endif 00116 00117 #endif /* End of pcreposix.h */