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PCRE.pas
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{**************************************************************************************************}
{ }
{ 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 pcre.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 }
{ }
{ Modified by Jan Goyvaerts for use with TPerlRegEx }
{ TPerlRegEx is available at http://www.regular-expressions.info/delphi.html }
{ }
{**************************************************************************************************}
unit PCRE;
interface
{$WEAKPACKAGEUNIT ON}
{$DEFINE PCRE_STATICLINK}
{$IFDEF PCRE_LINKDLL}
{$DEFINE PCRE_EXPORT_CDECL}
{$ENDIF}
(*$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 = $00008000;
{$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_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;
{$EXTERNALSYM PCRE_ERROR_CALLOUT}
PCRE_ERROR_BADUTF8 = -10;
{$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;
{$EXTERNALSYM PCRE_ERROR_RECURSIONLIMIT}
PCRE_ERROR_NULLWSLIMIT = -22;
{$EXTERNALSYM PCRE_ERROR_NULLWSLIMIT}
PCRE_ERROR_BADNEWLINE = -23;
{$EXTERNALSYM PCRE_ERROR_BADNEWLINE}
PCRE_INFO_OPTIONS = 0;
{$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_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}
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
PPAnsiChar = ^PAnsiChar;
{$EXTERNALSYM PPAnsiChar}
PPPAnsiChar = ^PPAnsiChar;
{$EXTERNALSYM PPPAnsiChar}
PInteger = ^Integer;
{$EXTERNALSYM PInteger}
real_pcre = packed record
end;
TPCRE = real_pcre;
PPCRE = ^TPCRE;
real_pcre_extra = packed record
flags: Cardinal;
study_data: Pointer;
match_limit: Cardinal;
callout_data: Pointer;
tables: PAnsiChar;
match_limit_recursion: Cardinal;
end;
TPCREExtra = real_pcre_extra;
PPCREExtra = ^TPCREExtra;
pcre_callout_block = packed record
version: Integer;
callout_number: Integer;
offset_vector: PInteger;
subject: PAnsiChar;
subject_length: Integer;
start_match: Integer;
current_position: Integer;
capture_top: Integer;
capture_last: Integer;
callout_data: Pointer;
pattern_position: Integer;
next_item_length: Integer;
end;
pcre_malloc_callback = function(Size: Integer): Pointer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_malloc_callback}
pcre_free_callback = procedure(P: Pointer); {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_free_callback}
pcre_stack_malloc_callback = function(Size: Integer): Pointer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_stack_malloc_callback}
pcre_stack_free_callback = procedure(P: Pointer); {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_stack_free_callback}
pcre_callout_callback = function(var callout_block: pcre_callout_block): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_callout_callback}
var
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;
{$EXTERNALSYM GetPCREMallocCallback}
function CallPCREMalloc(Size: Integer): Pointer;
{$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;
{$EXTERNALSYM GetPCREStackMallocCallback}
function CallPCREStackMalloc(Size: Integer): Pointer;
{$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; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
var
LibNotLoadedHandler: TPCRELibNotLoadedHandler = nil;
{$IFNDEF PCRE_LINKONREQUEST}
function pcre_compile(const pattern: PAnsiChar; options: Integer; const errptr: PPAnsiChar; erroffset: PInteger; const tableptr: PAnsiChar): PPCRE; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_compile}
function pcre_compile2(const pattern: PAnsiChar; options: Integer; const errorcodeptr: PInteger; const errorptr: PPAnsiChar; erroroffset: PInteger; const tables: PAnsiChar): PPCRE; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_compile2}
function pcre_config(what: Integer; where: Pointer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_config}
function pcre_copy_named_substring(const code: PPCRE; const subject: PAnsiChar; ovector: PInteger; stringcount: Integer; const stringname: PAnsiChar; buffer: PAnsiChar; size: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_copy_named_substring}
function pcre_copy_substring(const subject: PAnsiChar; ovector: PInteger; stringcount, stringnumber: Integer; buffer: PAnsiChar; buffersize: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_copy_substring}
function pcre_dfa_exec(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; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_dfa_exec}
function pcre_exec(const code: PPCRE; const extra: PPCREExtra; const subject: PAnsiChar; length, startoffset, options: Integer; ovector: PInteger; ovecsize: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_exec}
procedure pcre_free_substring(stringptr: PAnsiChar); {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_free_substring}
procedure pcre_free_substring_list(stringlistptr: PPAnsiChar); {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_free_substring_list}
function pcre_fullinfo(const code: PPCRE; const extra: PPCREExtra; what: Integer; where: Pointer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_fullinfo}
function pcre_get_named_substring(const code: PPCRE; const subject: PAnsiChar; ovector: PInteger; stringcount: Integer; const stringname: PAnsiChar; const stringptr: PPAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_named_substring}
function pcre_get_stringnumber(const code: PPCRE; const stringname: PAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_stringnumber}
function pcre_get_stringtable_entries(const code: PPCRE; const stringname: PAnsiChar; firstptr: PPAnsiChar; lastptr: PPAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_stringtable_entries}
function pcre_get_substring(const subject: PAnsiChar; ovector: PInteger; stringcount, stringnumber: Integer; const stringptr: PPAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_substring}
function pcre_get_substring_list(const subject: PAnsiChar; ovector: PInteger; stringcount: Integer; listptr: PPPAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_substring_list}
function pcre_info(const code: PPCRE; optptr, firstcharptr: PInteger): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_info}
function pcre_maketables: PAnsiChar; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_maketables}
function pcre_refcount(argument_re: PPCRE; adjust: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_refcount}
function pcre_study(const code: PPCRE; options: Integer; const errptr: PPAnsiChar): PPCREExtra; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_study}
function pcre_version: PAnsiChar; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_version}
procedure pcre_dispose(pattern, hints, chartable: Pointer); {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$ELSE}
type
pcre_compile_func = function(const pattern: PAnsiChar; options: Integer; const errptr: PPAnsiChar; erroffset: PInteger; const tableptr: PAnsiChar): PPCRE; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_compile_func}
pcre_compile2_func = function(const pattern: PAnsiChar; options: Integer; const errorcodeptr: PInteger; const errorptr: PPAnsiChar; erroroffset: PInteger; const tables: PAnsiChar): PPCRE; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_compile2_func}
pcre_config_func = function(what: Integer; where: Pointer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_config_func}
pcre_copy_named_substring_func = function(const code: PPCRE; const subject: PAnsiChar; ovector: PInteger; stringcount: Integer; const stringname: PAnsiChar; buffer: PAnsiChar; size: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_copy_named_substring_func}
pcre_copy_substring_func = function(const subject: PAnsiChar; ovector: PInteger; stringcount, stringnumber: Integer; buffer: PAnsiChar; buffersize: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_copy_substring_func}
pcre_dfa_exec_func = function(const argument_re: PPCRE; const extra_data: PPCREExtra; const subject: PAnsiChar; length: Integer; start_offset: Integer; options: Integer; offsets: PInteger; offsetcount: Integer; workspace: PInteger; wscount: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$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; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_exec_func}
pcre_free_substring_func = procedure(stringptr: PAnsiChar); {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_free_substring_func}
pcre_free_substring_list_func = procedure(stringptr: PPAnsiChar); {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_free_substring_list_func}
pcre_fullinfo_func = function(const code: PPCRE; const extra: PPCREExtra; what: Integer; where: Pointer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$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; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_named_substring_func}
pcre_get_stringnumber_func = function(const code: PPCRE; const stringname: PAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_stringnumber_func}
pcre_get_stringtable_entries_func = function(const code: PPCRE; const stringname: PAnsiChar; firstptr: PPAnsiChar; lastptr: PPAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_stringtable_entries_func}
pcre_get_substring_func = function(const subject: PAnsiChar; ovector: PInteger; stringcount, stringnumber: Integer; const stringptr: PPAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_substring_func}
pcre_get_substring_list_func = function(const subject: PAnsiChar; ovector: PInteger; stringcount: Integer; listptr: PPPAnsiChar): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_get_substring_list_func}
pcre_info_func = function(const code: PPCRE; optptr, firstcharptr: PInteger): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_info_func}
pcre_maketables_func = function: PAnsiChar; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_maketables_func}
pcre_refcount_func = function(argument_re: PPCRE; adjust: Integer): Integer; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_refcount_func}
pcre_study_func = function(const code: PPCRE; options: Integer; const errptr: PPAnsiChar): PPCREExtra; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$EXTERNALSYM pcre_study_func}
pcre_version_func = function: PAnsiChar; {$IFDEF PCRE_EXPORT_CDECL} cdecl; {$ENDIF PCRE_EXPORT_CDECL}
{$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}
{$ENDIF ~PCRE_LINKONREQUEST}
function IsPCRELoaded: Boolean;
function LoadPCRE: Boolean;
procedure UnloadPCRE;
implementation
uses
SysUtils,
{$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}
{$IFDEF PCRE_STATICLINK}
{$LINK pcre\pcre_compile.obj}
{$LINK pcre\pcre_config.obj}
{$LINK pcre\pcre_dfa_exec.obj}
{$LINK pcre\pcre_exec.obj}
{$LINK pcre\pcre_fullinfo.obj}
{$LINK pcre\pcre_get.obj}
{$LINK pcre\pcre_globals.obj}
{$LINK pcre\pcre_info.obj}
{$LINK pcre\pcre_maketables.obj}
{$LINK pcre\pcre_newline.obj}
{$LINK pcre\pcre_ord2utf8.obj}
{$LINK pcre\pcre_refcount.obj}
{$LINK pcre\pcre_study.obj}
{$LINK pcre\pcre_tables.obj}
{$LINK pcre\pcre_try_flipped.obj}
{$LINK pcre\pcre_ucd.obj}
{$LINK pcre\pcre_valid_utf8.obj}
{$LINK pcre\pcre_version.obj}
{$LINK pcre\pcre_xclass.obj}
{$LINK pcre\pcre_default_tables.obj}
var
pcre_malloc_user: pcre_malloc_callback;
pcre_free_user: pcre_free_callback;
pcre_stack_malloc_user: pcre_stack_malloc_callback;
pcre_stack_free_user: pcre_stack_free_callback;
pcre_callout_user: pcre_callout_callback;
function pcre_compile; external;
function pcre_compile2; external;
function pcre_config; external;
function pcre_copy_named_substring; external;
function pcre_copy_substring; external;
function pcre_dfa_exec; external;
function pcre_exec; external;
procedure pcre_free_substring; external;
procedure pcre_free_substring_list; external;
function pcre_fullinfo; external;
function pcre_get_named_substring; external;
function pcre_get_stringnumber; external;
function pcre_get_stringtable_entries; external;
function pcre_get_substring; external;
function pcre_get_substring_list; external;
function pcre_info; external;
function pcre_maketables; external;
function pcre_refcount; external;
function pcre_study; external;
function pcre_version; external;
type
size_t = Longint;
const
szMSVCRT = 'MSVCRT.DLL';
function _memcpy(dest, src: Pointer; count: size_t): Pointer; cdecl; external szMSVCRT name 'memcpy';
function _memmove(dest, src: Pointer; count: size_t): Pointer; cdecl; external szMSVCRT name 'memmove';
function _memset(dest: Pointer; val: Integer; count: size_t): Pointer; cdecl; external szMSVCRT name 'memset';
function _strncmp(s1: PAnsiChar; s2: PAnsiChar; n: size_t): Integer; cdecl; external szMSVCRT name 'strncmp';
function _memcmp(s1: Pointer; s2: Pointer; n: size_t): Integer; cdecl; external szMSVCRT name 'memcmp';
function _strlen(s: PAnsiChar): size_t; cdecl; external szMSVCRT name 'strlen';
function __ltolower(__ch: Integer): Integer; cdecl; external szMSVCRT name 'tolower';
function __ltoupper(__ch: Integer): Integer; cdecl; external szMSVCRT name 'toupper';
function _isalnum(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isalnum';
function _isalpha(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isalpha';
function _iscntrl(__ch: Integer): Integer; cdecl; external szMSVCRT name 'iscntrl';
function _isdigit(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isdigit';
function _isgraph(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isgraph';
function _islower(__ch: Integer): Integer; cdecl; external szMSVCRT name 'islower';
function _isprint(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isprint';
function _ispunct(__ch: Integer): Integer; cdecl; external szMSVCRT name 'ispunct';
function _isspace(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isspace';
function _isupper(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isupper';
function _isxdigit(__ch: Integer): Integer; cdecl; external szMSVCRT name 'isxdigit';
function _strchr(__s: PAnsiChar; __c: Integer): PAnsiChar; cdecl; external szMSVCRT name 'strchr';
function malloc(size: size_t): Pointer; cdecl; external szMSVCRT name 'malloc';
function pcre_malloc(Size: Integer): Pointer;
begin
if Assigned(pcre_malloc_user) then
Result := pcre_malloc_user(Size)
else
Result := malloc(Size);
end;
function pcre_stack_malloc(Size: Integer): Pointer;
begin
if Assigned(pcre_stack_malloc_user) then
Result := pcre_stack_malloc_user(Size)
else
Result := malloc(Size);
end;
function _malloc(size: size_t): Pointer;
begin
Result := pcre_malloc(size);
end;
procedure free(pBlock: Pointer); cdecl; external szMSVCRT name 'free';
procedure pcre_free(P: Pointer);
begin
if Assigned(pcre_free_user) then
pcre_free_user(P)
else
free(P);
end;
procedure pcre_stack_free(P: Pointer);
begin
if Assigned(pcre_stack_free_user) then
pcre_stack_free_user(P)
else
free(P);
end;
procedure _free(pBlock: Pointer);
begin
pcre_free(pBlock);
end;
function pcre_callout(var callout_block: pcre_callout_block): Integer; cdecl;
begin
if Assigned(pcre_callout_user) then
Result := pcre_callout_user(callout_block)
else
Result := 0;
end;
{$ELSE ~PCRE_STATICLINK}
type
{$IFDEF MSWINDOWS}
TModuleHandle = HINST;
{$ENDIF MSWINDOWS}
{$IFDEF LINUX}
TModuleHandle = Pointer;
{$ENDIF LINUX}
const
{$IFDEF MSWINDOWS}
libpcremodulename = 'pcrelib.dll';
{$ENDIF MSWINDOWS}
{$IFDEF UNIX}
libpcremodulename = 'libpcre.so.0';
{$ENDIF UNIX}
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;
{$ENDIF ~PCRE_STATICLINK}
procedure SetPCREMallocCallback(const Value: pcre_malloc_callback);
begin
{$IFDEF PCRE_STATICLINK}
pcre_malloc_user := Value;
{$ELSE ~PCRE_STATICLINK}
if not Assigned(pcre_malloc_func) then
LoadPCRE;
if Assigned(pcre_malloc_func) then
pcre_malloc_func^ := Value
else if Assigned(LibNotLoadedHandler) then
LibNotLoadedHandler;
{$ENDIF ~PCRE_STATICLINK}
end;
function GetPCREMallocCallback: pcre_malloc_callback;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_malloc_user;
{$ELSE ~PCRE_STATICLINK}
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^;
{$ENDIF ~PCRE_STATICLINK}
end;
function CallPCREMalloc(Size: Integer): Pointer;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_malloc(Size);
{$ELSE ~PCRE_STATICLINK}
Result := pcre_malloc_func^(Size);
{$ENDIF ~PCRE_STATICLINK}
end;
procedure SetPCREFreeCallback(const Value: pcre_free_callback);
begin
{$IFDEF PCRE_STATICLINK}
pcre_free_user := Value;
{$ELSE ~PCRE_STATICLINK}
if not Assigned(pcre_free_func) then
LoadPCRE;
if Assigned(pcre_free_func) then
pcre_free_func^ := Value
else if Assigned(LibNotLoadedHandler) then
LibNotLoadedHandler;
{$ENDIF ~PCRE_STATICLINK}
end;
function GetPCREFreeCallback: pcre_free_callback;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_free_user;
{$ELSE ~PCRE_STATICLINK}
if not Assigned(pcre_free_func) then
LoadPCRE;
if not Assigned(pcre_free_func) then
begin
Result := nil;
if Assigned(LibNotLoadedHandler) then
LibNotLoadedHandler;
end
else
Result := pcre_free_func^
{$ENDIF ~PCRE_STATICLINK}
end;
procedure CallPCREFree(P: Pointer);
begin
{$IFDEF PCRE_STATICLINK}
pcre_free(P);
{$ELSE ~PCRE_STATICLINK}
if not Assigned(pcre_free_func) then
LoadPCRE;
pcre_free_func^(P);
{$ENDIF ~PCRE_STATICLINK}
end;
procedure SetPCREStackMallocCallback(const Value: pcre_stack_malloc_callback);
begin
{$IFDEF PCRE_STATICLINK}
pcre_stack_malloc_user := Value;
{$ELSE ~PCRE_STATICLINK}
if not Assigned(pcre_stack_malloc_func) then
LoadPCRE;
if Assigned(pcre_stack_malloc_func) then
pcre_stack_malloc_func^ := Value
else if Assigned(LibNotLoadedHandler) then
LibNotLoadedHandler;
{$ENDIF ~PCRE_STATICLINK}
end;
function GetPCREStackMallocCallback: pcre_stack_malloc_callback;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_stack_malloc_user;
{$ELSE ~PCRE_STATICLINK}
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^;
{$ENDIF ~PCRE_STATICLINK}
end;
function CallPCREStackMalloc(Size: Integer): Pointer;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_stack_malloc(Size);
{$ELSE ~PCRE_STATICLINK}
Result := pcre_stack_malloc_func^(Size);
{$ENDIF ~PCRE_STATICLINK}
end;
procedure SetPCREStackFreeCallback(const Value: pcre_stack_free_callback);
begin
{$IFDEF PCRE_STATICLINK}
pcre_stack_free_user := Value;
{$ELSE ~PCRE_STATICLINK}
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;
{$ENDIF ~PCRE_STATICLINK}
end;
function GetPCREStackFreeCallback: pcre_stack_free_callback;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_stack_free_user;
{$ELSE ~PCRE_STATICLINK}
if not Assigned(pcre_stack_free_func) then
LoadPCRE;
if not Assigned(pcre_stack_free_func) then
begin
Result := nil;
if Assigned(LibNotLoadedHandler) then
LibNotLoadedHandler;
end
else
Result := pcre_stack_free_func^;
{$ENDIF ~PCRE_STATICLINK}
end;
procedure CallPCREStackFree(P: Pointer);
begin
{$IFDEF PCRE_STATICLINK}
pcre_stack_free(P);
{$ELSE ~PCRE_STATICLINK}
pcre_stack_free_func^(P);
{$ENDIF ~PCRE_STATICLINK}
end;
procedure SetPCRECalloutCallback(const Value: pcre_callout_callback);
begin
{$IFDEF PCRE_STATICLINK}
pcre_callout_user := Value;
{$ELSE ~PCRE_STATICLINK}
if not Assigned(pcre_callout_func) then
LoadPCRE;
if Assigned(pcre_callout_func) then
pcre_callout_func^ := Value
else if Assigned(LibNotLoadedHandler) then
LibNotLoadedHandler;
{$ENDIF ~PCRE_STATICLINK}
end;
function GetPCRECalloutCallback: pcre_callout_callback;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_callout_user;
{$ELSE ~PCRE_STATICLINK}
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^;
{$ENDIF ~PCRE_STATICLINK}
end;
function CallPCRECallout(var callout_block: pcre_callout_block): Integer;
begin
{$IFDEF PCRE_STATICLINK}
Result := pcre_callout(callout_block);
{$ELSE ~PCRE_STATICLINK}
Result := pcre_callout_func^(callout_block);
{$ENDIF ~PCRE_STATICLINK}
end;
{$IFNDEF PCRE_STATICLINK}
procedure InitPCREFuncPtrs(const Value: Pointer);
begin
{$IFDEF PCRE_LINKONREQUEST}
@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;
{$ENDIF PCRE_LINKONREQUEST}
pcre_malloc_func := nil;
pcre_free_func := nil;
pcre_stack_malloc_func := nil;
pcre_stack_free_func := nil;
pcre_callout_func := nil;
end;
{$ENDIF ~PCRE_STATICLINK}
function IsPCRELoaded: Boolean;
begin
{$IFDEF PCRE_STATICLINK}
Result := True;
{$ELSE ~PCRE_STATICLINK}
Result := PCRELib <> INVALID_MODULEHANDLE_VALUE;
{$ENDIF ~PCRE_STATICLINK}
end;
function LoadPCRE: Boolean;
{$IFDEF PCRE_STATICLINK}
begin
Result := True;
end;
{$ELSE ~PCRE_STATICLINK}
function GetSymbol(SymbolName: PAnsiChar): Pointer;
begin
{$IFDEF MSWINDOWS}
Result := GetProcAddress(PCRELib, PChar(SymbolName));
{$ENDIF MSWINDOWS}
{$IFDEF UNIX}
Result := dlsym(PCRELib, PChar(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);
{$ENDIF UNIX}
Result := PCRELib <> INVALID_MODULEHANDLE_VALUE;
if Result then
begin
{$IFDEF PCRE_LINKONREQUEST}
@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);
{$ENDIF PCRE_LINKONREQUEST}
pcre_malloc_func := GetSymbol(PCREMallocExportName);
pcre_free_func := GetSymbol(PCREFreeExportName);
pcre_stack_malloc_func := GetSymbol(PCREStackMallocExportName);
pcre_stack_free_func := GetSymbol(PCREStackFreeExportName);
pcre_callout_func := GetSymbol(PCRECalloutExportName);
end
else
InitPCREFuncPtrs(@LibNotLoadedHandler);
end;
{$ENDIF ~PCRE_STATICLINK}
procedure UnloadPCRE;
begin
{$IFNDEF PCRE_STATICLINK}
if PCRELib <> INVALID_MODULEHANDLE_VALUE then
{$IFDEF MSWINDOWS}
FreeLibrary(PCRELib);
{$ENDIF MSWINDOWS}
{$IFDEF UNIX}
dlclose(Pointer(PCRELib));
{$ENDIF UNIX}
PCRELib := INVALID_MODULEHANDLE_VALUE;
InitPCREFuncPtrs(@LibNotLoadedHandler);
{$ENDIF ~PCRE_STATICLINK}
end;
{$IFDEF PCRE_STATICLINK}
procedure pcre_dispose(pattern, hints, chartable: Pointer);
begin
if pattern <> nil then pcre_free(pattern);
if hints <> nil then pcre_free(hints);
if chartable <> nil then pcre_free(chartable);
end;
{$ENDIF PCRE_STATICLINK}
{$IFDEF PCRE_LINKDLL}
function pcre_compile; external libpcremodulename name PCRECompileExportName;
function pcre_compile2; external libpcremodulename name PCRECompile2ExportName;
function pcre_config; external libpcremodulename name PCREConfigExportName;
function pcre_copy_named_substring; external libpcremodulename name PCRECopyNamedSubStringExportName;
function pcre_copy_substring; external libpcremodulename name PCRECopySubStringExportName;
function pcre_dfa_exec; external libpcremodulename name PCREDfaExecExportName;
function pcre_exec; external libpcremodulename name PCREExecExportName;
procedure pcre_free_substring; external libpcremodulename name PCREFreeSubStringExportName;
procedure pcre_free_substring_list; external libpcremodulename name PCREFreeSubStringListExportName;
function pcre_fullinfo; external libpcremodulename name PCREFullInfoExportName;
function pcre_get_named_substring; external libpcremodulename name PCREGetNamedSubStringExportName;
function pcre_get_stringnumber; external libpcremodulename name PCREGetStringNumberExportName;
function pcre_get_stringtable_entries; external libpcremodulename name PCREGetStringTableEntriesExportName;
function pcre_get_substring; external libpcremodulename name PCREGetSubStringExportName;
function pcre_get_substring_list; external libpcremodulename name PCREGetSubStringListExportName;
function pcre_info; external libpcremodulename name PCREInfoExportName;
function pcre_maketables; external libpcremodulename name PCREMakeTablesExportName;
function pcre_refcount; external libpcremodulename name PCRERefCountExportName;
function pcre_study; external libpcremodulename name PCREStudyExportName;
function pcre_version; external libpcremodulename name PCREVersionExportName;
procedure pcre_dispose; external libpcremodulename name 'pcre_dispose';
{$ENDIF PCRE_LINKDLL}
end.