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Diffstat (limited to '')
| -rw-r--r-- | src/lib/pcre/pcre.pas | 852 |
1 files changed, 0 insertions, 852 deletions
diff --git a/src/lib/pcre/pcre.pas b/src/lib/pcre/pcre.pas deleted file mode 100644 index 50e3371a..00000000 --- a/src/lib/pcre/pcre.pas +++ /dev/null @@ -1,852 +0,0 @@ -{**************************************************************************************************} -{ } -{ Project JEDI Code Library (JCL) } -{ } -{ The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); } -{ you may not use this file except in compliance with the License. You may obtain a copy of the } -{ License at http://www.mozilla.org/MPL/ } -{ } -{ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF } -{ ANY KIND, either express or implied. See the License for the specific language governing rights } -{ and limitations under the License. } -{ } -{ The Original Code is JclPRCE.pas. } -{ } -{ The Initial Developer of the Original Code is Peter Thornqvist. } -{ Portions created by Peter Thornqvist are Copyright (C) of Peter Thornqvist. All rights reserved. } -{ Portions created by University of Cambridge are } -{ Copyright (C) 1997-2001 by University of Cambridge. } -{ } -{ Contributor(s): } -{ Robert Rossmair (rrossmair) } -{ Mario R. Carro } -{ Florent Ouchet (outchy) } -{ } -{ The latest release of PCRE is always available from } -{ ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-xxx.tar.gz } -{ } -{**************************************************************************************************} -{ } -{ Header conversion of pcre.h } -{ } -{ } -{**************************************************************************************************} -{ } -{ Last modified: $Date:: $ } -{ Revision: $Rev:: $ } -{ Author: $Author:: $ } -{ } -{**************************************************************************************************} - -unit pcre; - -interface - -(************************************************* -* Perl-Compatible Regular Expressions * -*************************************************) - -{$IFDEF FPC} - {$MODE DELPHI} - {$PACKENUM 4} (* use 4-byte enums *) - {$PACKRECORDS C} (* C/C++-compatible record packing *) -{$ELSE} - {$MINENUMSIZE 4} (* use 4-byte enums *) -{$ENDIF} - -{$WEAKPACKAGEUNIT ON} - -(*$HPPEMIT '#include "pcre.h"'*) - -const - MAX_PATTERN_LENGTH = $10003; - {$EXTERNALSYM MAX_PATTERN_LENGTH} - MAX_QUANTIFY_REPEAT = $10000; - {$EXTERNALSYM MAX_QUANTIFY_REPEAT} - MAX_CAPTURE_COUNT = $FFFF; - {$EXTERNALSYM MAX_CAPTURE_COUNT} - MAX_NESTING_DEPTH = 200; - {$EXTERNALSYM MAX_NESTING_DEPTH} - -const - (* Options *) - PCRE_CASELESS = $00000001; - {$EXTERNALSYM PCRE_CASELESS} - PCRE_MULTILINE = $00000002; - {$EXTERNALSYM PCRE_MULTILINE} - PCRE_DOTALL = $00000004; - {$EXTERNALSYM PCRE_DOTALL} - PCRE_EXTENDED = $00000008; - {$EXTERNALSYM PCRE_EXTENDED} - PCRE_ANCHORED = $00000010; - {$EXTERNALSYM PCRE_ANCHORED} - PCRE_DOLLAR_ENDONLY = $00000020; - {$EXTERNALSYM PCRE_DOLLAR_ENDONLY} - PCRE_EXTRA = $00000040; - {$EXTERNALSYM PCRE_EXTRA} - PCRE_NOTBOL = $00000080; - {$EXTERNALSYM PCRE_NOTBOL} - PCRE_NOTEOL = $00000100; - {$EXTERNALSYM PCRE_NOTEOL} - PCRE_UNGREEDY = $00000200; - {$EXTERNALSYM PCRE_UNGREEDY} - PCRE_NOTEMPTY = $00000400; - {$EXTERNALSYM PCRE_NOTEMPTY} - PCRE_UTF8 = $00000800; - {$EXTERNALSYM PCRE_UTF8} - PCRE_NO_AUTO_CAPTURE = $00001000; - {$EXTERNALSYM PCRE_NO_AUTO_CAPTURE} - PCRE_NO_UTF8_CHECK = $00002000; - {$EXTERNALSYM PCRE_NO_UTF8_CHECK} - PCRE_AUTO_CALLOUT = $00004000; - {$EXTERNALSYM PCRE_AUTO_CALLOUT} - PCRE_PARTIAL_SOFT = $00008000; - {$EXTERNALSYM PCRE_PARTIAL_SOFT} - PCRE_PARTIAL = PCRE_PARTIAL_SOFT; // Backwards compatible synonym - {$EXTERNALSYM PCRE_PARTIAL} - PCRE_DFA_SHORTEST = $00010000; - {$EXTERNALSYM PCRE_DFA_SHORTEST} - PCRE_DFA_RESTART = $00020000; - {$EXTERNALSYM PCRE_DFA_RESTART} - PCRE_FIRSTLINE = $00040000; - {$EXTERNALSYM PCRE_FIRSTLINE} - PCRE_DUPNAMES = $00080000; - {$EXTERNALSYM PCRE_DUPNAMES} - PCRE_NEWLINE_CR = $00100000; - {$EXTERNALSYM PCRE_NEWLINE_CR} - PCRE_NEWLINE_LF = $00200000; - {$EXTERNALSYM PCRE_NEWLINE_LF} - PCRE_NEWLINE_CRLF = $00300000; - {$EXTERNALSYM PCRE_NEWLINE_CRLF} - PCRE_NEWLINE_ANY = $00400000; - {$EXTERNALSYM PCRE_NEWLINE_ANY} - PCRE_NEWLINE_ANYCRLF = $00500000; - {$EXTERNALSYM PCRE_NEWLINE_ANYCRLF} - PCRE_BSR_ANYCRLF = $00800000; - {$EXTERNALSYM PCRE_BSR_ANYCRLF} - PCRE_BSR_UNICODE = $01000000; - {$EXTERNALSYM PCRE_BSR_UNICODE} - PCRE_JAVASCRIPT_COMPAT = $02000000; - {$EXTERNALSYM PCRE_JAVASCRIPT_COMPAT} - PCRE_NO_START_OPTIMIZE = $04000000; - {$EXTERNALSYM PCRE_NO_START_OPTIMIZE} - PCRE_NO_START_OPTIMISE = $04000000; - {$EXTERNALSYM PCRE_NO_START_OPTIMISE} - PCRE_PARTIAL_HARD = $08000000; - {$EXTERNALSYM PCRE_PARTIAL_HARD} - PCRE_NOTEMPTY_ATSTART = $10000000; - {$EXTERNALSYM PCRE_NOTEMPTY_ATSTART} - - (* Exec-time and get-time error codes *) - - PCRE_ERROR_NOMATCH = -1; - {$EXTERNALSYM PCRE_ERROR_NOMATCH} - PCRE_ERROR_NULL = -2; - {$EXTERNALSYM PCRE_ERROR_NULL} - PCRE_ERROR_BADOPTION = -3; - {$EXTERNALSYM PCRE_ERROR_BADOPTION} - PCRE_ERROR_BADMAGIC = -4; - {$EXTERNALSYM PCRE_ERROR_BADMAGIC} - PCRE_ERROR_UNKNOWN_NODE = -5; - {$EXTERNALSYM PCRE_ERROR_UNKNOWN_NODE} - PCRE_ERROR_NOMEMORY = -6; - {$EXTERNALSYM PCRE_ERROR_NOMEMORY} - PCRE_ERROR_NOSUBSTRING = -7; - {$EXTERNALSYM PCRE_ERROR_NOSUBSTRING} - PCRE_ERROR_MATCHLIMIT = -8; - {$EXTERNALSYM PCRE_ERROR_MATCHLIMIT} - PCRE_ERROR_CALLOUT = -9; (* Never used by PCRE itself *) - {$EXTERNALSYM PCRE_ERROR_CALLOUT} - PCRE_ERROR_BADUTF8 = -10; - {$EXTERNALSYM PCRE_ERROR_BADUTF8} - PCRE_ERROR_BADUTF8_OFFSET = -11; - {$EXTERNALSYM PCRE_ERROR_BADUTF8_OFFSET} - PCRE_ERROR_PARTIAL = -12; - {$EXTERNALSYM PCRE_ERROR_PARTIAL} - PCRE_ERROR_BADPARTIAL = -13; - {$EXTERNALSYM PCRE_ERROR_BADPARTIAL} - PCRE_ERROR_INTERNAL = -14; - {$EXTERNALSYM PCRE_ERROR_INTERNAL} - PCRE_ERROR_BADCOUNT = -15; - {$EXTERNALSYM PCRE_ERROR_BADCOUNT} - PCRE_ERROR_DFA_UITEM = -16; - {$EXTERNALSYM PCRE_ERROR_DFA_UITEM} - PCRE_ERROR_DFA_UCOND = -17; - {$EXTERNALSYM PCRE_ERROR_DFA_UCOND} - PCRE_ERROR_DFA_UMLIMIT = -18; - {$EXTERNALSYM PCRE_ERROR_DFA_UMLIMIT} - PCRE_ERROR_DFA_WSSIZE = -19; - {$EXTERNALSYM PCRE_ERROR_DFA_WSSIZE} - PCRE_ERROR_DFA_RECURSE = -20; - {$EXTERNALSYM PCRE_ERROR_DFA_RECURSE} - PCRE_ERROR_RECURSIONLIMIT = -21; - {$EXTERNALSYM PCRE_ERROR_RECURSIONLIMIT} - PCRE_ERROR_NULLWSLIMIT = -22; (* No longer actually used *) - {$EXTERNALSYM PCRE_ERROR_NULLWSLIMIT} - PCRE_ERROR_BADNEWLINE = -23; - {$EXTERNALSYM PCRE_ERROR_BADNEWLINE} - - (* Request types for pcre_fullinfo() *) - - PCRE_INFO_OPTIONS = 0; - {$EXTERNALSYM PCRE_INFO_OPTIONS} - PCRE_INFO_SIZE = 1; - {$EXTERNALSYM PCRE_INFO_SIZE} - PCRE_INFO_CAPTURECOUNT = 2; - {$EXTERNALSYM PCRE_INFO_CAPTURECOUNT} - PCRE_INFO_BACKREFMAX = 3; - {$EXTERNALSYM PCRE_INFO_BACKREFMAX} - PCRE_INFO_FIRSTCHAR = 4; - {$EXTERNALSYM PCRE_INFO_FIRSTCHAR} - PCRE_INFO_FIRSTTABLE = 5; - {$EXTERNALSYM PCRE_INFO_FIRSTTABLE} - PCRE_INFO_LASTLITERAL = 6; - {$EXTERNALSYM PCRE_INFO_LASTLITERAL} - PCRE_INFO_NAMEENTRYSIZE = 7; - {$EXTERNALSYM PCRE_INFO_NAMEENTRYSIZE} - PCRE_INFO_NAMECOUNT = 8; - {$EXTERNALSYM PCRE_INFO_NAMECOUNT} - PCRE_INFO_NAMETABLE = 9; - {$EXTERNALSYM PCRE_INFO_NAMETABLE} - PCRE_INFO_STUDYSIZE = 10; - {$EXTERNALSYM PCRE_INFO_STUDYSIZE} - PCRE_INFO_DEFAULT_TABLES = 11; - {$EXTERNALSYM PCRE_INFO_DEFAULT_TABLES} - PCRE_INFO_OKPARTIAL = 12; - {$EXTERNALSYM PCRE_INFO_OKPARTIAL} - PCRE_INFO_JCHANGED = 13; - {$EXTERNALSYM PCRE_INFO_JCHANGED} - PCRE_INFO_HASCRORLF = 14; - {$EXTERNALSYM PCRE_INFO_HASCRORLF} - PCRE_INFO_MINLENGTH = 15; - {$EXTERNALSYM PCRE_INFO_MINLENGTH} - - (* Request types for pcre_config() *) - PCRE_CONFIG_UTF8 = 0; - {$EXTERNALSYM PCRE_CONFIG_UTF8} - PCRE_CONFIG_NEWLINE = 1; - {$EXTERNALSYM PCRE_CONFIG_NEWLINE} - PCRE_CONFIG_LINK_SIZE = 2; - {$EXTERNALSYM PCRE_CONFIG_LINK_SIZE} - PCRE_CONFIG_POSIX_MALLOC_THRESHOLD = 3; - {$EXTERNALSYM PCRE_CONFIG_POSIX_MALLOC_THRESHOLD} - PCRE_CONFIG_MATCH_LIMIT = 4; - {$EXTERNALSYM PCRE_CONFIG_MATCH_LIMIT} - PCRE_CONFIG_STACKRECURSE = 5; - {$EXTERNALSYM PCRE_CONFIG_STACKRECURSE} - PCRE_CONFIG_UNICODE_PROPERTIES = 6; - {$EXTERNALSYM PCRE_CONFIG_UNICODE_PROPERTIES} - PCRE_CONFIG_MATCH_LIMIT_RECURSION = 7; - {$EXTERNALSYM PCRE_CONFIG_MATCH_LIMIT_RECURSION} - PCRE_CONFIG_BSR = 8; - {$EXTERNALSYM PCRE_CONFIG_BSR} - - (* Bit flags for the pcre_extra structure *) - - PCRE_EXTRA_STUDY_DATA = $0001; - {$EXTERNALSYM PCRE_EXTRA_STUDY_DATA} - PCRE_EXTRA_MATCH_LIMIT = $0002; - {$EXTERNALSYM PCRE_EXTRA_MATCH_LIMIT} - PCRE_EXTRA_CALLOUT_DATA = $0004; - {$EXTERNALSYM PCRE_EXTRA_CALLOUT_DATA} - PCRE_EXTRA_TABLES = $0008; - {$EXTERNALSYM PCRE_EXTRA_TABLES} - PCRE_EXTRA_MATCH_LIMIT_RECURSION = $0010; - {$EXTERNALSYM PCRE_EXTRA_MATCH_LIMIT_RECURSION} - -type - {$IFNDEF FPC} - {$IFDEF CPU64} - SizeInt = Int64; - {$ELSE ~CPU64} - SizeInt = Integer; - {$ENDIF ~CPU64} - PPAnsiChar = ^PAnsiChar; - {$ENDIF ~FPC} - PPPAnsiChar = ^PPAnsiChar; - - real_pcre = packed record - {magic_number: Longword; - size: Integer; - tables: PAnsiChar; - options: Longword; - top_bracket: Word; - top_backref: word; - first_char: PAnsiChar; - req_char: PAnsiChar; - code: array [0..0] of AnsiChar;} - end; - TPCRE = real_pcre; - PPCRE = ^TPCRE; - - real_pcre_extra = packed record - {options: PAnsiChar; - start_bits: array [0..31] of AnsiChar;} - flags: Cardinal; (* Bits for which fields are set *) - study_data: Pointer; (* Opaque data from pcre_study() *) - match_limit: Cardinal; (* Maximum number of calls to match() *) - callout_data: Pointer; (* Data passed back in callouts *) - tables: PAnsiChar; (* Pointer to character tables *) - match_limit_recursion: Cardinal; (* Max recursive calls to match() *) - end; - TPCREExtra = real_pcre_extra; - PPCREExtra = ^TPCREExtra; - - pcre_callout_block = packed record - version: Integer; (* Identifies version of block *) - (* ------------------------ Version 0 ------------------------------- *) - callout_number: Integer; (* Number compiled into pattern *) - offset_vector: PInteger; (* The offset vector *) - subject: PAnsiChar; (* The subject being matched *) - subject_length: Integer; (* The length of the subject *) - start_match: Integer; (* Offset to start of this match attempt *) - current_position: Integer; (* Where we currently are in the subject *) - capture_top: Integer; (* Max current capture *) - capture_last: Integer; (* Most recently closed capture *) - callout_data: Pointer; (* Data passed in with the call *) - (* ------------------- Added for Version 1 -------------------------- *) - pattern_position: Integer; (* Offset to next item in the pattern *) - next_item_length: Integer; (* Length of next item in the pattern *) - (* ------------------------------------------------------------------ *) - end; - - pcre_malloc_callback = function(Size: SizeInt): Pointer; cdecl; - {$EXTERNALSYM pcre_malloc_callback} - pcre_free_callback = procedure(P: Pointer); cdecl; - {$EXTERNALSYM pcre_free_callback} - pcre_stack_malloc_callback = function(Size: SizeInt): Pointer; cdecl; - {$EXTERNALSYM pcre_stack_malloc_callback} - pcre_stack_free_callback = procedure(P: Pointer); cdecl; - {$EXTERNALSYM pcre_stack_free_callback} - pcre_callout_callback = function(var callout_block: pcre_callout_block): Integer; cdecl; - {$EXTERNALSYM pcre_callout_callback} - -var - // renamed from "pcre_X" to "pcre_X_func" to allow functions with name "pcre_X" to be - // declared in implementation when static linked - pcre_malloc_func: ^pcre_malloc_callback = nil; - {$EXTERNALSYM pcre_malloc_func} - pcre_free_func: ^pcre_free_callback = nil; - {$EXTERNALSYM pcre_free_func} - pcre_stack_malloc_func: ^pcre_stack_malloc_callback = nil; - {$EXTERNALSYM pcre_stack_malloc_func} - pcre_stack_free_func: ^pcre_stack_free_callback = nil; - {$EXTERNALSYM pcre_stack_free_func} - pcre_callout_func: ^pcre_callout_callback = nil; - {$EXTERNALSYM pcre_callout_func} - -procedure SetPCREMallocCallback(const Value: pcre_malloc_callback); -{$EXTERNALSYM SetPCREMallocCallback} -function GetPCREMallocCallback: pcre_malloc_callback; -{$EXTERNALSYM GetPCREMallocCallback} -function CallPCREMalloc(Size: SizeInt): Pointer; -{$EXTERNALSYM CallPCREMalloc} - -procedure SetPCREFreeCallback(const Value: pcre_free_callback); -{$EXTERNALSYM SetPCREFreeCallback} -function GetPCREFreeCallback: pcre_free_callback; -{$EXTERNALSYM GetPCREFreeCallback} -procedure CallPCREFree(P: Pointer); -{$EXTERNALSYM CallPCREFree} - -procedure SetPCREStackMallocCallback(const Value: pcre_stack_malloc_callback); -{$EXTERNALSYM SetPCREStackMallocCallback} -function GetPCREStackMallocCallback: pcre_stack_malloc_callback; -{$EXTERNALSYM GetPCREStackMallocCallback} -function CallPCREStackMalloc(Size: SizeInt): Pointer; -{$EXTERNALSYM CallPCREStackMalloc} - -procedure SetPCREStackFreeCallback(const Value: pcre_stack_free_callback); -{$EXTERNALSYM SetPCREStackFreeCallback} -function GetPCREStackFreeCallback: pcre_stack_free_callback; -{$EXTERNALSYM GetPCREStackFreeCallback} -procedure CallPCREStackFree(P: Pointer); -{$EXTERNALSYM CallPCREStackFree} - -procedure SetPCRECalloutCallback(const Value: pcre_callout_callback); -{$EXTERNALSYM SetPCRECalloutCallback} -function GetPCRECalloutCallback: pcre_callout_callback; -{$EXTERNALSYM GetPCRECalloutCallback} -function CallPCRECallout(var callout_block: pcre_callout_block): Integer; -{$EXTERNALSYM CallPCRECallout} - -type - TPCRELibNotLoadedHandler = procedure; cdecl; - -var - // Value to initialize function pointers below with, in case LoadPCRE fails - // or UnloadPCRE is called. Typically the handler will raise an exception. - LibNotLoadedHandler: TPCRELibNotLoadedHandler = nil; - -(* Functions *) - -// dynamic dll import -type - pcre_compile_func = function(const pattern: PAnsiChar; options: Integer; - const errptr: PPAnsiChar; erroffset: PInteger; const tableptr: PAnsiChar): PPCRE; - cdecl; - {$EXTERNALSYM pcre_compile_func} - pcre_compile2_func = function(const pattern: PAnsiChar; options: Integer; - const errorcodeptr: PInteger; const errorptr: PPAnsiChar; erroroffset: PInteger; - const tables: PAnsiChar): PPCRE; cdecl; - {$EXTERNALSYM pcre_compile2_func} - pcre_config_func = function(what: Integer; where: Pointer): Integer; - cdecl; - {$EXTERNALSYM pcre_config_func} - pcre_copy_named_substring_func = function(const code: PPCRE; const subject: PAnsiChar; - ovector: PInteger; stringcount: Integer; const stringname: PAnsiChar; - buffer: PAnsiChar; size: Integer): Integer; cdecl; - {$EXTERNALSYM pcre_copy_named_substring_func} - pcre_copy_substring_func = function(const subject: PAnsiChar; ovector: PInteger; - stringcount, stringnumber: Integer; buffer: PAnsiChar; buffersize: Integer): Integer; - cdecl; - {$EXTERNALSYM pcre_copy_substring_func} - pcre_dfa_exec_func = function(const argument_re: PPCRE; const extra_data: PPCREExtra; - const subject: PAnsiChar; length: Integer; start_offset: Integer; - options: Integer; offsets: PInteger; offsetcount: Integer; workspace: PInteger; - wscount: Integer): Integer; cdecl; - {$EXTERNALSYM pcre_dfa_exec_func} - pcre_exec_func = function(const code: PPCRE; const extra: PPCREExtra; const subject: PAnsiChar; - length, startoffset, options: Integer; ovector: PInteger; ovecsize: Integer): Integer; - cdecl; - {$EXTERNALSYM pcre_exec_func} - pcre_free_substring_func = procedure(stringptr: PAnsiChar); - cdecl; - {$EXTERNALSYM pcre_free_substring_func} - pcre_free_substring_list_func = procedure(stringptr: PPAnsiChar); - cdecl; - {$EXTERNALSYM pcre_free_substring_list_func} - pcre_fullinfo_func = function(const code: PPCRE; const extra: PPCREExtra; - what: Integer; where: Pointer): Integer; - cdecl; - {$EXTERNALSYM pcre_fullinfo_func} - pcre_get_named_substring_func = function(const code: PPCRE; const subject: PAnsiChar; - ovector: PInteger; stringcount: Integer; const stringname: PAnsiChar; - const stringptr: PPAnsiChar): Integer; cdecl; - {$EXTERNALSYM pcre_get_named_substring_func} - pcre_get_stringnumber_func = function(const code: PPCRE; - const stringname: PAnsiChar): Integer; cdecl; - {$EXTERNALSYM pcre_get_stringnumber_func} - pcre_get_stringtable_entries_func = function(const code: PPCRE; const stringname: PAnsiChar; - firstptr: PPAnsiChar; lastptr: PPAnsiChar): Integer; - cdecl; - {$EXTERNALSYM pcre_get_stringtable_entries_func} - pcre_get_substring_func = function(const subject: PAnsiChar; ovector: PInteger; - stringcount, stringnumber: Integer; const stringptr: PPAnsiChar): Integer; - cdecl; - {$EXTERNALSYM pcre_get_substring_func} - pcre_get_substring_list_func = function(const subject: PAnsiChar; ovector: PInteger; - stringcount: Integer; listptr: PPPAnsiChar): Integer; - cdecl; - {$EXTERNALSYM pcre_get_substring_list_func} - pcre_info_func = function(const code: PPCRE; optptr, firstcharptr: PInteger): Integer; - cdecl; - {$EXTERNALSYM pcre_info_func} - pcre_maketables_func = function: PAnsiChar; cdecl; - {$EXTERNALSYM pcre_maketables_func} - pcre_refcount_func = function(argument_re: PPCRE; adjust: Integer): Integer; - cdecl; - {$EXTERNALSYM pcre_refcount_func} - pcre_study_func = function(const code: PPCRE; options: Integer; const errptr: PPAnsiChar): PPCREExtra; - cdecl; - {$EXTERNALSYM pcre_study_func} - pcre_version_func = function: PAnsiChar; cdecl; - {$EXTERNALSYM pcre_version_func} - -var - pcre_compile: pcre_compile_func = nil; - {$EXTERNALSYM pcre_compile} - pcre_compile2: pcre_compile2_func = nil; - {$EXTERNALSYM pcre_compile2} - pcre_config: pcre_config_func = nil; - {$EXTERNALSYM pcre_config} - pcre_copy_named_substring: pcre_copy_named_substring_func = nil; - {$EXTERNALSYM pcre_copy_named_substring} - pcre_copy_substring: pcre_copy_substring_func = nil; - {$EXTERNALSYM pcre_copy_substring} - pcre_dfa_exec: pcre_dfa_exec_func = nil; - {$EXTERNALSYM pcre_dfa_exec} - pcre_exec: pcre_exec_func = nil; - {$EXTERNALSYM pcre_exec} - pcre_free_substring: pcre_free_substring_func = nil; - {$EXTERNALSYM pcre_free_substring} - pcre_free_substring_list: pcre_free_substring_list_func = nil; - {$EXTERNALSYM pcre_free_substring_list} - pcre_fullinfo: pcre_fullinfo_func = nil; - {$EXTERNALSYM pcre_fullinfo} - pcre_get_named_substring: pcre_get_named_substring_func = nil; - {$EXTERNALSYM pcre_get_named_substring} - pcre_get_stringnumber: pcre_get_stringnumber_func = nil; - {$EXTERNALSYM pcre_get_stringnumber} - pcre_get_stringtable_entries: pcre_get_stringtable_entries_func = nil; - {$EXTERNALSYM pcre_get_stringtable_entries} - pcre_get_substring: pcre_get_substring_func = nil; - {$EXTERNALSYM pcre_get_substring} - pcre_get_substring_list: pcre_get_substring_list_func = nil; - {$EXTERNALSYM pcre_get_substring_list} - pcre_info: pcre_info_func = nil; - {$EXTERNALSYM pcre_info} - pcre_maketables: pcre_maketables_func = nil; - {$EXTERNALSYM pcre_maketables} - pcre_refcount: pcre_refcount_func = nil; - {$EXTERNALSYM pcre_refcount} - pcre_study: pcre_study_func = nil; - {$EXTERNALSYM pcre_study} - pcre_version: pcre_version_func = nil; - {$EXTERNALSYM pcre_version} - -function IsPCRELoaded: Boolean; -function LoadPCRE: Boolean; -procedure UnloadPCRE; - -implementation - -uses - SysUtils, - {$IFDEF MSWINDOWS} - Windows; - {$ENDIF MSWINDOWS} - {$IFDEF UNIX} - {$IFDEF HAS_UNIT_TYPES} - Types, - {$ENDIF HAS_UNIT_TYPES} - {$IFDEF HAS_UNIT_LIBC} - Libc; - {$ELSE ~HAS_UNIT_LIBC} - dl; - {$ENDIF ~HAS_UNIT_LIBC} - {$ENDIF UNIX} - -type - {$IFDEF MSWINDOWS} - TModuleHandle = HINST; - {$ENDIF MSWINDOWS} - {$IFDEF LINUX} - TModuleHandle = Pointer; - {$ENDIF LINUX} - {$IFDEF DARWIN} - TModuleHandle = Pointer; - {$ENDIF DARWIN} - -const - {$IFDEF MSWINDOWS} - libpcremodulename = 'pcre3.dll'; - {$ENDIF MSWINDOWS} - {$IFDEF LINUX} - libpcremodulename = 'libpcre.so.0'; - {$ENDIF LINUX} - {$IFDEF DARWIN} - libpcremodulename = 'libpcre.dylib'; - {$ENDIF DARWIN} - PCRECompileExportName = 'pcre_compile'; - PCRECompile2ExportName = 'pcre_compile2'; - PCREConfigExportName = 'pcre_config'; - PCRECopyNamedSubstringExportName = 'pcre_copy_named_substring'; - PCRECopySubStringExportName = 'pcre_copy_substring'; - PCREDfaExecExportName = 'pcre_dfa_exec'; - PCREExecExportName = 'pcre_exec'; - PCREFreeSubStringExportName = 'pcre_free_substring'; - PCREFreeSubStringListExportName = 'pcre_free_substring_list'; - PCREFullInfoExportName = 'pcre_fullinfo'; - PCREGetNamedSubstringExportName = 'pcre_get_named_substring'; - PCREGetStringNumberExportName = 'pcre_get_stringnumber'; - PCREGetStringTableEntriesExportName = 'pcre_get_stringtable_entries'; - PCREGetSubStringExportName = 'pcre_get_substring'; - PCREGetSubStringListExportName = 'pcre_get_substring_list'; - PCREInfoExportName = 'pcre_info'; - PCREMakeTablesExportName = 'pcre_maketables'; - PCRERefCountExportName = 'pcre_refcount'; - PCREStudyExportName = 'pcre_study'; - PCREVersionExportName = 'pcre_version'; - PCREMallocExportName = 'pcre_malloc'; - PCREFreeExportName = 'pcre_free'; - PCREStackMallocExportName = 'pcre_stack_malloc'; - PCREStackFreeExportName = 'pcre_stack_free'; - PCRECalloutExportName = 'pcre_callout'; - INVALID_MODULEHANDLE_VALUE = TModuleHandle(0); - -var - PCRELib: TModuleHandle = INVALID_MODULEHANDLE_VALUE; - -procedure SetPCREMallocCallback(const Value: pcre_malloc_callback); -begin - if not Assigned(pcre_malloc_func) then - LoadPCRE; - - if Assigned(pcre_malloc_func) then - pcre_malloc_func^ := Value - else if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; -end; - -function GetPCREMallocCallback: pcre_malloc_callback; -begin - if not Assigned(pcre_malloc_func) then - LoadPCRE; - - if not Assigned(pcre_malloc_func) then - begin - Result := nil; - if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; - end - else - Result := pcre_malloc_func^; -end; - -function CallPCREMalloc(Size: SizeInt): Pointer; -begin - Result := pcre_malloc_func^(Size); -end; - -procedure SetPCREFreeCallback(const Value: pcre_free_callback); -begin - if not Assigned(pcre_free_func) then - LoadPCRE; - - if Assigned(pcre_free_func) then - pcre_free_func^ := Value - else if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; -end; - -function GetPCREFreeCallback: pcre_free_callback; -begin - if not Assigned(pcre_free_func) then - LoadPCRE; - - if not Assigned(pcre_free_func) then - begin - Result := nil; - if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; - end - else - Result := pcre_free_func^ -end; - -procedure CallPCREFree(P: Pointer); -begin - pcre_free_func^(P); -end; - -procedure SetPCREStackMallocCallback(const Value: pcre_stack_malloc_callback); -begin - if not Assigned(pcre_stack_malloc_func) then - LoadPCRE; - - if Assigned(pcre_stack_malloc_func) then - pcre_stack_malloc_func^ := Value - else if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; -end; - -function GetPCREStackMallocCallback: pcre_stack_malloc_callback; -begin - if not Assigned(pcre_stack_malloc_func) then - LoadPCRE; - - if not Assigned(pcre_stack_malloc_func) then - begin - Result := nil; - if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; - end - else - Result := pcre_stack_malloc_func^; -end; - -function CallPCREStackMalloc(Size: SizeInt): Pointer; -begin - Result := pcre_stack_malloc_func^(Size); -end; - -procedure SetPCREStackFreeCallback(const Value: pcre_stack_free_callback); -begin - if not Assigned(pcre_stack_free_func) then - LoadPCRE; - - if Assigned(pcre_stack_free_func) then - pcre_stack_free_func^ := Value - else if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; -end; - -function GetPCREStackFreeCallback: pcre_stack_free_callback; -begin - if not Assigned(pcre_stack_free_func) then - LoadPCRE; - - if not Assigned(pcre_stack_free_func) then - begin - Result := nil; - if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; - end - else - Result := pcre_stack_free_func^; -end; - -procedure CallPCREStackFree(P: Pointer); -begin - pcre_stack_free_func^(P); -end; - -procedure SetPCRECalloutCallback(const Value: pcre_callout_callback); -begin - if not Assigned(pcre_callout_func) then - LoadPCRE; - - if Assigned(pcre_callout_func) then - pcre_callout_func^ := Value - else if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; -end; - -function GetPCRECalloutCallback: pcre_callout_callback; -begin - if not Assigned(pcre_callout_func) then - LoadPCRE; - - if not Assigned(pcre_callout_func) then - begin - Result := nil; - if Assigned(LibNotLoadedHandler) then - LibNotLoadedHandler; - end - else - Result := pcre_callout_func^; -end; - -function CallPCRECallout(var callout_block: pcre_callout_block): Integer; -begin - Result := pcre_callout_func^(callout_block); -end; - -procedure InitPCREFuncPtrs(const Value: Pointer); -begin - @pcre_compile := Value; - @pcre_compile2 := Value; - @pcre_config := Value; - @pcre_copy_named_substring := Value; - @pcre_copy_substring := Value; - @pcre_dfa_exec := Value; - @pcre_exec := Value; - @pcre_free_substring := Value; - @pcre_free_substring_list := Value; - @pcre_fullinfo := Value; - @pcre_get_named_substring := Value; - @pcre_get_stringnumber := Value; - @pcre_get_stringtable_entries := Value; - @pcre_get_substring := Value; - @pcre_get_substring_list := Value; - @pcre_info := Value; - @pcre_maketables := Value; - @pcre_refcount := Value; - @pcre_study := Value; - @pcre_version := Value; - pcre_malloc_func := nil; - pcre_free_func := nil; - pcre_stack_malloc_func := nil; - pcre_stack_free_func := nil; - pcre_callout_func := nil; -end; - -function IsPCRELoaded: Boolean; -begin - Result := PCRELib <> INVALID_MODULEHANDLE_VALUE; -end; - -function LoadPCRE: Boolean; - function GetSymbol(SymbolName: PAnsiChar): Pointer; - begin - {$IFDEF MSWINDOWS} - Result := GetProcAddress(PCRELib, SymbolName); - {$ENDIF MSWINDOWS} - {$IFDEF UNIX} - Result := dlsym(PCRELib, SymbolName); - {$ENDIF UNIX} - end; - -begin - Result := PCRELib <> INVALID_MODULEHANDLE_VALUE; - if Result then - Exit; - - if PCRELib = INVALID_MODULEHANDLE_VALUE then - {$IFDEF MSWINDOWS} - PCRELib := SafeLoadLibrary(libpcremodulename); - {$ENDIF MSWINDOWS} - {$IFDEF UNIX} - PCRELib := dlopen(PAnsiChar(libpcremodulename), RTLD_NOW); - {$ENDIF UNIX} - Result := PCRELib <> INVALID_MODULEHANDLE_VALUE; - if Result then - begin - @pcre_compile := GetSymbol(PCRECompileExportName); - @pcre_compile2 := GetSymbol(PCRECompile2ExportName); - @pcre_config := GetSymbol(PCREConfigExportName); - @pcre_copy_named_substring := GetSymbol(PCRECopyNamedSubstringExportName); - @pcre_copy_substring := GetSymbol(PCRECopySubStringExportName); - @pcre_dfa_exec := GetSymbol(PCREDfaExecExportName); - @pcre_exec := GetSymbol(PCREExecExportName); - @pcre_free_substring := GetSymbol(PCREFreeSubStringExportName); - @pcre_free_substring_list := GetSymbol(PCREFreeSubStringListExportName); - @pcre_fullinfo := GetSymbol(PCREFullInfoExportName); - @pcre_get_named_substring := GetSymbol(PCREGetNamedSubstringExportName); - @pcre_get_stringnumber := GetSymbol(PCREGetStringNumberExportName); - @pcre_get_stringtable_entries := GetSymbol(PCREGetStringTableEntriesExportName); - @pcre_get_substring := GetSymbol(PCREGetSubStringExportName); - @pcre_get_substring_list := GetSymbol(PCREGetSubStringListExportName); - @pcre_info := GetSymbol(PCREInfoExportName); - @pcre_maketables := GetSymbol(PCREMakeTablesExportName); - @pcre_refcount := GetSymbol(PCRERefCountExportName); - @pcre_study := GetSymbol(PCREStudyExportName); - @pcre_version := GetSymbol(PCREVersionExportName); - pcre_malloc_func := GetSymbol(PCREMallocExportName); - pcre_free_func := GetSymbol(PCREFreeExportName); - pcre_stack_malloc_func := GetSymbol(PCREStackMallocExportName); - pcre_stack_free_func := GetSymbol(PCREStackFreeExportName); - pcre_callout_func := GetSymbol(PCRECalloutExportName); - end - else - InitPCREFuncPtrs(@LibNotLoadedHandler); -end; - -procedure UnloadPCRE; -begin - if PCRELib <> INVALID_MODULEHANDLE_VALUE then - {$IFDEF MSWINDOWS} - FreeLibrary(PCRELib); - {$ENDIF MSWINDOWS} - {$IFDEF UNIX} - dlclose(Pointer(PCRELib)); - {$ENDIF UNIX} - PCRELib := INVALID_MODULEHANDLE_VALUE; - InitPCREFuncPtrs(@LibNotLoadedHandler); -end; - -(* -function pcre_compile; external libpcremodulename name PCRECompileExportName; -function pcre_compile2; external libpcremodulename name PCRECompile2ExportName; -function pcre_config; external libpcremodulename name PCREConfigExportName; -function pcre_copy_named_substring; external libpcremodulename name PCRECopyNamedSubStringExportName; -function pcre_copy_substring; external libpcremodulename name PCRECopySubStringExportName; -function pcre_dfa_exec; external libpcremodulename name PCREDfaExecExportName; -function pcre_exec; external libpcremodulename name PCREExecExportName; -procedure pcre_free_substring; external libpcremodulename name PCREFreeSubStringExportName; -procedure pcre_free_substring_list; external libpcremodulename name PCREFreeSubStringListExportName; -function pcre_fullinfo; external libpcremodulename name PCREFullInfoExportName; -function pcre_get_named_substring; external libpcremodulename name PCREGetNamedSubStringExportName; -function pcre_get_stringnumber; external libpcremodulename name PCREGetStringNumberExportName; -function pcre_get_stringtable_entries; external libpcremodulename name PCREGetStringTableEntriesExportName; -function pcre_get_substring; external libpcremodulename name PCREGetSubStringExportName; -function pcre_get_substring_list; external libpcremodulename name PCREGetSubStringListExportName; -function pcre_info; external libpcremodulename name PCREInfoExportName; -function pcre_maketables; external libpcremodulename name PCREMakeTablesExportName; -function pcre_refcount; external libpcremodulename name PCRERefCountExportName; -function pcre_study; external libpcremodulename name PCREStudyExportName; -function pcre_version; external libpcremodulename name PCREVersionExportName; -*) - -end. |