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-rw-r--r--src/lib/pcre/pcre.pas844
1 files changed, 844 insertions, 0 deletions
diff --git a/src/lib/pcre/pcre.pas b/src/lib/pcre/pcre.pas
new file mode 100644
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+++ b/src/lib/pcre/pcre.pas
@@ -0,0 +1,844 @@
+{**************************************************************************************************}
+{ }
+{ 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}
+
+// (p3) this is the switch to change between static and dynamic linking.
+// It is set to dynamic by default. To disable simply insert a '.' before the '$'
+//
+// NOTE: if you enable static linking of DLL, this means that the pcre.dll *must*
+// be in the users path or an AV will occur at startup
+
+(*$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
+ 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;
+{$EXTERNALSYM CallPCRECallout}
+
+type
+ TPCRELibNotLoadedHandler = procedure; cdecl;
+
+ PPPAnsiChar = ^PPAnsiChar;
+
+var
+ // Value to initialize function pointers below with, in case LoadPCRE fails
+ // or UnloadPCRE is called. Typically the handler will raise an exception.
+ LibNotLoadedHandler: TPCRELibNotLoadedHandler = nil;
+
+(* Functions *)
+
+// dynamic dll import
+type
+ pcre_compile_func = function(const pattern: PAnsiChar; options: Integer;
+ const errptr: PPAnsiChar; erroffset: PInteger; const tableptr: PAnsiChar): PPCRE;
+ cdecl;
+ {$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}
+
+const
+ {$IFDEF MSWINDOWS}
+ libpcremodulename = 'pcre3.dll';
+ {$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;
+
+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.