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pcre.h
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/************************************************* * Perl-Compatible Regular Expressions * *************************************************/ /* This is the public header file for the PCRE library, to be #included by applications that call the PCRE functions. Copyright (c) 1997-2009 University of Cambridge ----------------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the University of Cambridge nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ----------------------------------------------------------------------------- */ #ifndef _PCRE_H #define _PCRE_H /* The current PCRE version information. */ #define PCRE_MAJOR 8 #define PCRE_MINOR 02 #define PCRE_PRERELEASE #define PCRE_DATE 2010-03-19 /* When an application links to a PCRE DLL in Windows, the symbols that are imported have to be identified as such. When building PCRE, the appropriate export setting is defined in pcre_internal.h, which includes this file. So we don't change existing definitions of PCRE_EXP_DECL and PCRECPP_EXP_DECL. */ #if defined(_WIN32) && !defined(PCRE_STATIC) # ifndef PCRE_EXP_DECL # define PCRE_EXP_DECL extern __declspec(dllimport) # endif # ifdef __cplusplus # ifndef PCRECPP_EXP_DECL # define PCRECPP_EXP_DECL extern __declspec(dllimport) # endif # ifndef PCRECPP_EXP_DEFN # define PCRECPP_EXP_DEFN __declspec(dllimport) # endif # endif #endif /* By default, we use the standard "extern" declarations. */ #ifndef PCRE_EXP_DECL # ifdef __cplusplus # define PCRE_EXP_DECL extern "C" # else # define PCRE_EXP_DECL extern # endif #endif #ifdef __cplusplus # ifndef PCRECPP_EXP_DECL # define PCRECPP_EXP_DECL extern # endif # ifndef PCRECPP_EXP_DEFN # define PCRECPP_EXP_DEFN # endif #endif /* Have to include stdlib.h in order to ensure that size_t is defined; it is needed here for malloc. */ #include <stdlib.h> /* Allow for C++ users */ #ifdef __cplusplus extern "C" { #endif /* Options. Some are compile-time only, some are run-time only, and some are both, so we keep them all distinct. */ #define PCRE_CASELESS 0x00000001 #define PCRE_MULTILINE 0x00000002 #define PCRE_DOTALL 0x00000004 #define PCRE_EXTENDED 0x00000008 #define PCRE_ANCHORED 0x00000010 #define PCRE_DOLLAR_ENDONLY 0x00000020 #define PCRE_EXTRA 0x00000040 #define PCRE_NOTBOL 0x00000080 #define PCRE_NOTEOL 0x00000100 #define PCRE_UNGREEDY 0x00000200 #define PCRE_NOTEMPTY 0x00000400 #define PCRE_UTF8 0x00000800 #define PCRE_NO_AUTO_CAPTURE 0x00001000 #define PCRE_NO_UTF8_CHECK 0x00002000 #define PCRE_AUTO_CALLOUT 0x00004000 #define PCRE_PARTIAL_SOFT 0x00008000 #define PCRE_PARTIAL 0x00008000 /* Backwards compatible synonym */ #define PCRE_DFA_SHORTEST 0x00010000 #define PCRE_DFA_RESTART 0x00020000 #define PCRE_FIRSTLINE 0x00040000 #define PCRE_DUPNAMES 0x00080000 #define PCRE_NEWLINE_CR 0x00100000 #define PCRE_NEWLINE_LF 0x00200000 #define PCRE_NEWLINE_CRLF 0x00300000 #define PCRE_NEWLINE_ANY 0x00400000 #define PCRE_NEWLINE_ANYCRLF 0x00500000 #define PCRE_BSR_ANYCRLF 0x00800000 #define PCRE_BSR_UNICODE 0x01000000 #define PCRE_JAVASCRIPT_COMPAT 0x02000000 #define PCRE_NO_START_OPTIMIZE 0x04000000 #define PCRE_NO_START_OPTIMISE 0x04000000 #define PCRE_PARTIAL_HARD 0x08000000 #define PCRE_NOTEMPTY_ATSTART 0x10000000 /* Exec-time and get/set-time error codes */ #define PCRE_ERROR_NOMATCH (-1) #define PCRE_ERROR_NULL (-2) #define PCRE_ERROR_BADOPTION (-3) #define PCRE_ERROR_BADMAGIC (-4) #define PCRE_ERROR_UNKNOWN_OPCODE (-5) #define PCRE_ERROR_UNKNOWN_NODE (-5) /* For backward compatibility */ #define PCRE_ERROR_NOMEMORY (-6) #define PCRE_ERROR_NOSUBSTRING (-7) #define PCRE_ERROR_MATCHLIMIT (-8) #define PCRE_ERROR_CALLOUT (-9) /* Never used by PCRE itself */ #define PCRE_ERROR_BADUTF8 (-10) #define PCRE_ERROR_BADUTF8_OFFSET (-11) #define PCRE_ERROR_PARTIAL (-12) #define PCRE_ERROR_BADPARTIAL (-13) #define PCRE_ERROR_INTERNAL (-14) #define PCRE_ERROR_BADCOUNT (-15) #define PCRE_ERROR_DFA_UITEM (-16) #define PCRE_ERROR_DFA_UCOND (-17) #define PCRE_ERROR_DFA_UMLIMIT (-18) #define PCRE_ERROR_DFA_WSSIZE (-19) #define PCRE_ERROR_DFA_RECURSE (-20) #define PCRE_ERROR_RECURSIONLIMIT (-21) #define PCRE_ERROR_NULLWSLIMIT (-22) /* No longer actually used */ #define PCRE_ERROR_BADNEWLINE (-23) /* Request types for pcre_fullinfo() */ #define PCRE_INFO_OPTIONS 0 #define PCRE_INFO_SIZE 1 #define PCRE_INFO_CAPTURECOUNT 2 #define PCRE_INFO_BACKREFMAX 3 #define PCRE_INFO_FIRSTBYTE 4 #define PCRE_INFO_FIRSTCHAR 4 /* For backwards compatibility */ #define PCRE_INFO_FIRSTTABLE 5 #define PCRE_INFO_LASTLITERAL 6 #define PCRE_INFO_NAMEENTRYSIZE 7 #define PCRE_INFO_NAMECOUNT 8 #define PCRE_INFO_NAMETABLE 9 #define PCRE_INFO_STUDYSIZE 10 #define PCRE_INFO_DEFAULT_TABLES 11 #define PCRE_INFO_OKPARTIAL 12 #define PCRE_INFO_JCHANGED 13 #define PCRE_INFO_HASCRORLF 14 #define PCRE_INFO_MINLENGTH 15 /* Request types for pcre_config(). Do not re-arrange, in order to remain compatible. */ #define PCRE_CONFIG_UTF8 0 #define PCRE_CONFIG_NEWLINE 1 #define PCRE_CONFIG_LINK_SIZE 2 #define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD 3 #define PCRE_CONFIG_MATCH_LIMIT 4 #define PCRE_CONFIG_STACKRECURSE 5 #define PCRE_CONFIG_UNICODE_PROPERTIES 6 #define PCRE_CONFIG_MATCH_LIMIT_RECURSION 7 #define PCRE_CONFIG_BSR 8 /* Bit flags for the pcre_extra structure. Do not re-arrange or redefine these bits, just add new ones on the end, in order to remain compatible. */ #define PCRE_EXTRA_STUDY_DATA 0x0001 #define PCRE_EXTRA_MATCH_LIMIT 0x0002 #define PCRE_EXTRA_CALLOUT_DATA 0x0004 #define PCRE_EXTRA_TABLES 0x0008 #define PCRE_EXTRA_MATCH_LIMIT_RECURSION 0x0010 /* Types */ struct real_pcre; /* declaration; the definition is private */ typedef struct real_pcre pcre; /* When PCRE is compiled as a C++ library, the subject pointer type can be replaced with a custom type. For conventional use, the public interface is a const char *. */ #ifndef PCRE_SPTR #define PCRE_SPTR const char * #endif /* The structure for passing additional data to pcre_exec(). This is defined in such as way as to be extensible. Always add new fields at the end, in order to remain compatible. */ typedef struct pcre_extra { unsigned long int flags; /* Bits for which fields are set */ void *study_data; /* Opaque data from pcre_study() */ unsigned long int match_limit; /* Maximum number of calls to match() */ void *callout_data; /* Data passed back in callouts */ const unsigned char *tables; /* Pointer to character tables */ unsigned long int match_limit_recursion; /* Max recursive calls to match() */ } pcre_extra; /* The structure for passing out data via the pcre_callout_function. We use a structure so that new fields can be added on the end in future versions, without changing the API of the function, thereby allowing old clients to work without modification. */ typedef struct pcre_callout_block { int version; /* Identifies version of block */ /* ------------------------ Version 0 ------------------------------- */ int callout_number; /* Number compiled into pattern */ int *offset_vector; /* The offset vector */ PCRE_SPTR subject; /* The subject being matched */ int subject_length; /* The length of the subject */ int start_match; /* Offset to start of this match attempt */ int current_position; /* Where we currently are in the subject */ int capture_top; /* Max current capture */ int capture_last; /* Most recently closed capture */ void *callout_data; /* Data passed in with the call */ /* ------------------- Added for Version 1 -------------------------- */ int pattern_position; /* Offset to next item in the pattern */ int next_item_length; /* Length of next item in the pattern */ /* ------------------------------------------------------------------ */ } pcre_callout_block; /* Indirection for store get and free functions. These can be set to alternative malloc/free functions if required. Special ones are used in the non-recursive case for "frames". There is also an optional callout function that is triggered by the (?) regex item. For Virtual Pascal, these definitions have to take another form. */ #ifndef VPCOMPAT PCRE_EXP_DECL void *(*pcre_malloc)(size_t); PCRE_EXP_DECL void (*pcre_free)(void *); PCRE_EXP_DECL void *(*pcre_stack_malloc)(size_t); PCRE_EXP_DECL void (*pcre_stack_free)(void *); PCRE_EXP_DECL int (*pcre_callout)(pcre_callout_block *); #else /* VPCOMPAT */ PCRE_EXP_DECL void *pcre_malloc(size_t); PCRE_EXP_DECL void pcre_free(void *); PCRE_EXP_DECL void *pcre_stack_malloc(size_t); PCRE_EXP_DECL void pcre_stack_free(void *); PCRE_EXP_DECL int pcre_callout(pcre_callout_block *); #endif /* VPCOMPAT */ /* Exported PCRE functions */ PCRE_EXP_DECL pcre *pcre_compile(const char *, int, const char **, int *, const unsigned char *); PCRE_EXP_DECL pcre *pcre_compile2(const char *, int, int *, const char **, int *, const unsigned char *); PCRE_EXP_DECL int pcre_config(int, void *); PCRE_EXP_DECL int pcre_copy_named_substring(const pcre *, const char *, int *, int, const char *, char *, int); PCRE_EXP_DECL int pcre_copy_substring(const char *, int *, int, int, char *, int); PCRE_EXP_DECL int pcre_dfa_exec(const pcre *, const pcre_extra *, const char *, int, int, int, int *, int , int *, int); PCRE_EXP_DECL int pcre_exec(const pcre *, const pcre_extra *, PCRE_SPTR, int, int, int, int *, int); PCRE_EXP_DECL void pcre_free_substring(const char *); PCRE_EXP_DECL void pcre_free_substring_list(const char **); PCRE_EXP_DECL int pcre_fullinfo(const pcre *, const pcre_extra *, int, void *); PCRE_EXP_DECL int pcre_get_named_substring(const pcre *, const char *, int *, int, const char *, const char **); PCRE_EXP_DECL int pcre_get_stringnumber(const pcre *, const char *); PCRE_EXP_DECL int pcre_get_stringtable_entries(const pcre *, const char *, char **, char **); PCRE_EXP_DECL int pcre_get_substring(const char *, int *, int, int, const char **); PCRE_EXP_DECL int pcre_get_substring_list(const char *, int *, int, const char ***); PCRE_EXP_DECL int pcre_info(const pcre *, int *, int *); PCRE_EXP_DECL const unsigned char *pcre_maketables(void); PCRE_EXP_DECL int pcre_refcount(pcre *, int); PCRE_EXP_DECL pcre_extra *pcre_study(const pcre *, int, const char **); PCRE_EXP_DECL const char *pcre_version(void); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* End of pcre.h */