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970 lines
30 KiB
ObjectPascal
970 lines
30 KiB
ObjectPascal
{**************************************************************************************************}
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{ }
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{ Project JEDI Code Library (JCL) }
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{ }
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{ The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); }
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{ you may not use this file except in compliance with the License. You may obtain a copy of the }
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{ License at http://www.mozilla.org/MPL/ }
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{ }
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{ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF }
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{ ANY KIND, either express or implied. See the License for the specific language governing rights }
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{ and limitations under the License. }
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{ }
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{ The Original Code is JclBase.pas. }
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{ }
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{ The Initial Developer of the Original Code is Marcel van Brakel. }
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{ Portions created by Marcel van Brakel are Copyright Marcel van Brakel. All rights reserved. }
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{ }
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{ Contributors: }
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{ Marcel van Brakel, }
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{ Peter Friese, }
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{ Robert Marquardt (marquardt) }
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{ Robert Rossmair (rrossmair) }
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{ Petr Vones (pvones) }
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{ Florent Ouchet (outchy) }
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{ }
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{**************************************************************************************************}
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{ }
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{ This unit contains generic JCL base classes and routines to support earlier }
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{ versions of Delphi as well as FPC. }
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{ }
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{**************************************************************************************************}
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{ }
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{ Last modified: $Date:: 2009-08-25 20:22:46 +0200 (di, 25 aug 2009) $ }
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{ Revision: $Rev:: 2969 $ }
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{ Author: $Author:: outchy $ }
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{ }
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{**************************************************************************************************}
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unit JclBase;
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{$I jcl.inc}
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interface
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uses
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{$IFDEF UNITVERSIONING}
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JclUnitVersioning,
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{$ENDIF UNITVERSIONING}
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{$IFDEF MSWINDOWS}
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Windows,
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{$ENDIF MSWINDOWS}
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SysUtils;
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// Version
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const
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JclVersionMajor = 2; // 0=pre-release|beta/1, 2, ...=final
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JclVersionMinor = 1; // Fifth minor release since JCL 1.90
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JclVersionRelease = 0; // 0: pre-release|beta/ 1: release
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JclVersionBuild = 3450; // build number, days since march 1, 2000
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JclVersion = (JclVersionMajor shl 24) or (JclVersionMinor shl 16) or
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(JclVersionRelease shl 15) or (JclVersionBuild shl 0);
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// EJclError
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type
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EJclError = class(Exception);
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// EJclInternalError
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type
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EJclInternalError = class(EJclError);
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// Types
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type
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{$IFDEF MATH_EXTENDED_PRECISION}
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Float = Extended;
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{$ENDIF MATH_EXTENDED_PRECISION}
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{$IFDEF MATH_DOUBLE_PRECISION}
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Float = Double;
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{$ENDIF MATH_DOUBLE_PRECISION}
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{$IFDEF MATH_SINGLE_PRECISION}
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Float = Single;
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{$ENDIF MATH_SINGLE_PRECISION}
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PFloat = ^Float;
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type
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{$IFDEF FPC}
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Largeint = Int64;
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{$ELSE ~FPC}
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{$IFDEF CPU32}
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SizeInt = Integer;
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{$ENDIF CPU32}
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{$IFDEF CPU64}
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SizeInt = Int64;
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{$ENDIF CPU64}
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PSizeInt = ^SizeInt;
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PPointer = ^Pointer;
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PByte = System.PByte;
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Int8 = ShortInt;
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Int16 = Smallint;
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Int32 = Integer;
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UInt8 = Byte;
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UInt16 = Word;
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UInt32 = LongWord;
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PCardinal = ^Cardinal;
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{$IFNDEF COMPILER7_UP}
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UInt64 = Int64;
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{$ENDIF ~COMPILER7_UP}
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PWideChar = System.PWideChar;
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PPWideChar = ^JclBase.PWideChar;
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PPAnsiChar = ^PAnsiChar;
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PInt64 = type System.PInt64;
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{$ENDIF ~FPC}
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PPInt64 = ^PInt64;
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PPPAnsiChar = ^PPAnsiChar;
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// Int64 support
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procedure I64ToCardinals(I: Int64; out LowPart, HighPart: Cardinal);
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procedure CardinalsToI64(out I: Int64; const LowPart, HighPart: Cardinal);
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// Redefinition of TLargeInteger to relieve dependency on Windows.pas
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{$IFNDEF FPC}
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type
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PLargeInteger = ^TLargeInteger;
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TLargeInteger = Int64;
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{$ENDIF ~FPC}
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{$IFNDEF COMPILER11_UP}
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type
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TBytes = array of Byte;
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{$ENDIF ~COMPILER11_UP}
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// Redefinition of PByteArray to avoid range check exceptions.
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type
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TJclByteArray = array [0..MaxInt div SizeOf(Byte) - 1] of Byte;
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PJclByteArray = ^TJclByteArray;
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TJclBytes = Pointer; // under .NET System.pas: TBytes = array of Byte;
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// Redefinition of ULARGE_INTEGER to relieve dependency on Windows.pas
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type
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{$IFNDEF FPC}
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PULARGE_INTEGER = ^ULARGE_INTEGER;
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{$EXTERNALSYM PULARGE_INTEGER}
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ULARGE_INTEGER = record
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case Integer of
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0:
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(LowPart: LongWord;
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HighPart: LongWord);
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1:
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(QuadPart: Int64);
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end;
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{$EXTERNALSYM ULARGE_INTEGER}
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{$ENDIF ~FPC}
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TJclULargeInteger = ULARGE_INTEGER;
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PJclULargeInteger = PULARGE_INTEGER;
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// Dynamic Array support
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type
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TDynByteArray = array of Byte;
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TDynShortIntArray = array of Shortint;
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TDynWordArray = array of Word;
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TDynSmallIntArray = array of Smallint;
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TDynLongIntArray = array of Longint;
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TDynInt64Array = array of Int64;
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TDynCardinalArray = array of Cardinal;
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TDynIntegerArray = array of Integer;
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TDynSizeIntArray = array of SizeInt;
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TDynExtendedArray = array of Extended;
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TDynDoubleArray = array of Double;
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TDynSingleArray = array of Single;
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TDynFloatArray = array of Float;
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TDynPointerArray = array of Pointer;
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TDynStringArray = array of string;
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TDynAnsiStringArray = array of AnsiString;
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TDynWideStringArray = array of WideString;
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{$IFDEF SUPPORTS_UNICODE_STRING}
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TDynUnicodeStringArray = array of UnicodeString;
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{$ENDIF SUPPORTS_UNICODE_STRING}
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TDynIInterfaceArray = array of IInterface;
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TDynObjectArray = array of TObject;
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TDynCharArray = array of Char;
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TDynAnsiCharArray = array of AnsiChar;
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TDynWideCharArray = array of WideChar;
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// Cross-Platform Compatibility
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const
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// line delimiters for a version of Delphi/C++Builder
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NativeLineFeed = Char(#10);
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NativeCarriageReturn = Char(#13);
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NativeCrLf = string(#13#10);
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// default line break for a version of Delphi on a platform
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{$IFDEF MSWINDOWS}
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NativeLineBreak = NativeCrLf;
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{$ENDIF MSWINDOWS}
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{$IFDEF UNIX}
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NativeLineBreak = NativeLineFeed;
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{$ENDIF UNIX}
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HexPrefixPascal = string('$');
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HexPrefixC = string('0x');
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{$IFDEF BCB}
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HexPrefix = HexPrefixC;
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{$ELSE ~BCB}
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HexPrefix = HexPrefixPascal;
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{$ENDIF ~BCB}
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const
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BOM_UTF16_LSB: array [0..1] of Byte = ($FF,$FE);
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BOM_UTF16_MSB: array [0..1] of Byte = ($FE,$FF);
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BOM_UTF8: array [0..2] of Byte = ($EF,$BB,$BF);
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BOM_UTF32_LSB: array [0..3] of Byte = ($FF,$FE,$00,$00);
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BOM_UTF32_MSB: array [0..3] of Byte = ($00,$00,$FE,$FF);
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// BOM_UTF7_1: array [0..3] of Byte = ($2B,$2F,$76,$38);
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// BOM_UTF7_2: array [0..3] of Byte = ($2B,$2F,$76,$39);
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// BOM_UTF7_3: array [0..3] of Byte = ($2B,$2F,$76,$2B);
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// BOM_UTF7_4: array [0..3] of Byte = ($2B,$2F,$76,$2F);
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// BOM_UTF7_5: array [0..3] of Byte = ($2B,$2F,$76,$38,$2D);
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type
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// Unicode transformation formats (UTF) data types
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PUTF7 = ^UTF7;
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UTF7 = AnsiChar;
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PUTF8 = ^UTF8;
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UTF8 = AnsiChar;
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PUTF16 = ^UTF16;
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UTF16 = WideChar;
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PUTF32 = ^UTF32;
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UTF32 = Cardinal;
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// UTF conversion schemes (UCS) data types
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PUCS4 = ^UCS4;
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UCS4 = Cardinal;
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PUCS2 = PWideChar;
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UCS2 = WideChar;
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TUCS2Array = array of UCS2;
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TUCS4Array = array of UCS4;
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// string types
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TUTF8String = AnsiString;
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TUTF16String = WideString;
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TUCS2String = WideString;
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var
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AnsiReplacementCharacter: AnsiChar;
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const
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UCS4ReplacementCharacter: UCS4 = $0000FFFD;
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MaximumUCS2: UCS4 = $0000FFFF;
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MaximumUTF16: UCS4 = $0010FFFF;
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MaximumUCS4: UCS4 = $7FFFFFFF;
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SurrogateHighStart = UCS4($D800);
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SurrogateHighEnd = UCS4($DBFF);
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SurrogateLowStart = UCS4($DC00);
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SurrogateLowEnd = UCS4($DFFF);
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// basic set types
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type
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TSetOfAnsiChar = set of AnsiChar;
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{$IFNDEF XPLATFORM_RTL}
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procedure RaiseLastOSError;
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{$ENDIF ~XPLATFORM_RTL}
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procedure MoveArray(var List: TDynIInterfaceArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynFloatArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynPointerArray; FromIndex, ToIndex, Count: SizeInt); overload;
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{$IFDEF SUPPORTS_UNICODE_STRING}
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procedure MoveArray(var List: TDynUnicodeStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
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{$ENDIF SUPPORTS_UNICODE_STRING}
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{$IFNDEF FPC}
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procedure MoveArray(var List: TDynAnsiStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
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{$ENDIF}
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procedure MoveArray(var List: TDynWideStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynObjectArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynSingleArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynDoubleArray; FromIndex, ToIndex, Count: SizeInt); overload;
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{$IFNDEF FPC}
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procedure MoveArray(var List: TDynExtendedArray; FromIndex, ToIndex, Count: SizeInt); overload;
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{$ENDIF}
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procedure MoveArray(var List: TDynIntegerArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynCardinalArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynInt64Array; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveArray(var List: TDynSizeIntArray; FromIndex, ToIndex, Count: SizeInt); overload;
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procedure MoveChar(const Source: string; FromIndex: SizeInt;
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var Dest: string; ToIndex, Count: SizeInt); overload; // Index: 0..n-1
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function AnsiByteArrayStringLen(Data: TBytes): SizeInt;
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function StringToAnsiByteArray(const S: string): TBytes;
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function AnsiByteArrayToString(const Data: TBytes; Count: SizeInt): string;
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function BytesOf(const Value: AnsiString): TBytes; overload;
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function BytesOf(const Value: WideString): TBytes; overload;
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function BytesOf(const Value: WideChar): TBytes; overload;
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function BytesOf(const Value: AnsiChar): TBytes; overload;
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function StringOf(const Bytes: array of Byte): AnsiString; overload;
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function StringOf(const Bytes: Pointer; Size: Cardinal): AnsiString; overload;
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{$IFNDEF FPC}
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{$IFNDEF COMPILER11_UP}
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type // Definitions for 32 Bit Compilers
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// From BaseTsd.h
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INT_PTR = Integer;
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{$EXTERNALSYM INT_PTR}
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LONG_PTR = Longint;
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{$EXTERNALSYM LONG_PTR}
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UINT_PTR = Cardinal;
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{$EXTERNALSYM UINT_PTR}
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ULONG_PTR = LongWord;
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{$EXTERNALSYM ULONG_PTR}
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DWORD_PTR = ULONG_PTR;
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{$EXTERNALSYM DWORD_PTR}
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{$ENDIF ~COMPILER11_UP}
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type
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PDWORD_PTR = ^DWORD_PTR;
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{$EXTERNALSYM PDWORD_PTR}
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{$ENDIF ~FPC}
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type
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TJclAddr32 = Cardinal;
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{$IFDEF FPC}
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TJclAddr64 = QWord;
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{$IFDEF CPU64}
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TJclAddr = QWord;
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{$ENDIF CPU64}
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{$IFDEF CPU32}
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TJclAddr = Cardinal;
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{$ENDIF CPU32}
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{$ENDIF FPC}
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{$IFDEF BORLAND}
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TJclAddr64 = Int64;
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TJclAddr = TJclAddr32;
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{$ENDIF BORLAND}
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PJclAddr = ^TJclAddr;
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EJclAddr64Exception = class(EJclError);
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function Addr64ToAddr32(const Value: TJclAddr64): TJclAddr32;
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function Addr32ToAddr64(const Value: TJclAddr32): TJclAddr64;
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{$IFDEF SUPPORTS_GENERICS}
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type
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TCompare<T> = function(const Obj1, Obj2: T): Integer;
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TEqualityCompare<T> = function(const Obj1, Obj2: T): Boolean;
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THashConvert<T> = function(const AItem: T): Integer;
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IEqualityComparer<T> = interface
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function Equals(A, B: T): Boolean;
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function GetHashCode(Obj: T): Integer;
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end;
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TEquatable<T: class> = class(TInterfacedObject, IEquatable<T>, IEqualityComparer<T>)
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public
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{ IEquatable<T> }
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function TestEquals(Other: T): Boolean; overload;
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function IEquatable<T>.Equals = TestEquals;
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{ IEqualityComparer<T> }
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function TestEquals(A, B: T): Boolean; overload;
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function IEqualityComparer<T>.Equals = TestEquals;
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function GetHashCode2(Obj: T): Integer;
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function IEqualityComparer<T>.GetHashCode = GetHashCode2;
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end;
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{$ENDIF SUPPORTS_GENERICS}
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const
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{$IFDEF SUPPORTS_UNICODE}
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AWSuffix = 'W';
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{$ELSE ~SUPPORTS_UNICODE}
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AWSuffix = 'A';
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{$ENDIF ~SUPPORTS_UNICODE}
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{$IFDEF FPC}
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// FPC emits a lot of warning because the first parameter of its internal
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// GetMem is a var parameter, which is not initialized before the call to GetMem
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procedure GetMem(out P; Size: Longint);
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{$ENDIF FPC}
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{$IFDEF UNITVERSIONING}
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const
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UnitVersioning: TUnitVersionInfo = (
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RCSfile: '$URL: https://jcl.svn.sourceforge.net/svnroot/jcl/trunk/jcl/source/common/JclBase.pas $';
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Revision: '$Revision: 2969 $';
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Date: '$Date: 2009-08-25 20:22:46 +0200 (di, 25 aug 2009) $';
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LogPath: 'JCL\source\common';
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Extra: '';
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Data: nil
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);
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{$ENDIF UNITVERSIONING}
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implementation
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uses
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JclResources;
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procedure MoveArray(var List: TDynIInterfaceArray; FromIndex, ToIndex, Count: SizeInt); overload;
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begin
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if Count > 0 then
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begin
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Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
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{ Keep reference counting working }
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if FromIndex < ToIndex then
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begin
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if (ToIndex - FromIndex) < Count then
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FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
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else
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FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
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end
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else
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if FromIndex > ToIndex then
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begin
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if (FromIndex - ToIndex) < Count then
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FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
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else
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FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
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end;
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end;
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end;
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procedure MoveArray(var List: TDynStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
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begin
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if Count > 0 then
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begin
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Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
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{ Keep reference counting working }
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if FromIndex < ToIndex then
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begin
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if (ToIndex - FromIndex) < Count then
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FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
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else
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FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
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end
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else
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if FromIndex > ToIndex then
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begin
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if (FromIndex - ToIndex) < Count then
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FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
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else
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FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
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end;
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end;
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end;
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procedure MoveArray(var List: TDynFloatArray; FromIndex, ToIndex, Count: SizeInt); overload;
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begin
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if Count > 0 then
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begin
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Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
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{ Clean array }
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if FromIndex < ToIndex then
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begin
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if (ToIndex - FromIndex) < Count then
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FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
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else
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FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
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end
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else
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if FromIndex > ToIndex then
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begin
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if (FromIndex - ToIndex) < Count then
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FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
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else
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FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
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end;
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end;
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end;
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procedure MoveArray(var List: TDynPointerArray; FromIndex, ToIndex, Count: SizeInt); overload;
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begin
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if Count > 0 then
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begin
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Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
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{ Clean array }
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if FromIndex < ToIndex then
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begin
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if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
{$IFDEF SUPPORTS_UNICODE_STRING}
|
|
procedure MoveArray(var List: TDynUnicodeStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Keep reference counting working }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
{$ENDIF SUPPORTS_UNICODE_STRING}
|
|
|
|
{$IFNDEF FPC}
|
|
procedure MoveArray(var List: TDynAnsiStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Keep reference counting working }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
{$ENDIF ~FPC}
|
|
|
|
procedure MoveArray(var List: TDynWideStringArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Keep reference counting working }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure MoveArray(var List: TDynObjectArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure MoveArray(var List: TDynSingleArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure MoveArray(var List: TDynDoubleArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
{$IFNDEF FPC}
|
|
procedure MoveArray(var List: TDynExtendedArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
{$ENDIF ~FPC}
|
|
|
|
procedure MoveArray(var List: TDynIntegerArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure MoveArray(var List: TDynCardinalArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure MoveArray(var List: TDynInt64Array; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure MoveArray(var List: TDynSizeIntArray; FromIndex, ToIndex, Count: SizeInt); overload;
|
|
begin
|
|
if Count > 0 then
|
|
begin
|
|
Move(List[FromIndex], List[ToIndex], Count * SizeOf(List[0]));
|
|
{ Clean array }
|
|
if FromIndex < ToIndex then
|
|
begin
|
|
if (ToIndex - FromIndex) < Count then
|
|
FillChar(List[FromIndex], (ToIndex - FromIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end
|
|
else
|
|
if FromIndex > ToIndex then
|
|
begin
|
|
if (FromIndex - ToIndex) < Count then
|
|
FillChar(List[ToIndex + Count], (FromIndex - ToIndex) * SizeOf(List[0]), 0)
|
|
else
|
|
FillChar(List[FromIndex], Count * SizeOf(List[0]), 0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure MoveChar(const Source: string; FromIndex: SizeInt;
|
|
var Dest: string; ToIndex, Count: SizeInt);
|
|
begin
|
|
Move(Source[FromIndex + 1], Dest[ToIndex + 1], Count * SizeOf(Char));
|
|
end;
|
|
|
|
function AnsiByteArrayStringLen(Data: TBytes): SizeInt;
|
|
var
|
|
I: SizeInt;
|
|
begin
|
|
Result := Length(Data);
|
|
for I := 0 to Result - 1 do
|
|
if Data[I] = 0 then
|
|
begin
|
|
Result := I + 1;
|
|
Break;
|
|
end;
|
|
end;
|
|
|
|
function StringToAnsiByteArray(const S: string): TBytes;
|
|
var
|
|
I: SizeInt;
|
|
AnsiS: AnsiString;
|
|
begin
|
|
AnsiS := AnsiString(S); // convert to AnsiString
|
|
SetLength(Result, Length(AnsiS));
|
|
for I := 0 to High(Result) do
|
|
Result[I] := Byte(AnsiS[I + 1]);
|
|
end;
|
|
|
|
function AnsiByteArrayToString(const Data: TBytes; Count: SizeInt): string;
|
|
var
|
|
I: SizeInt;
|
|
AnsiS: AnsiString;
|
|
begin
|
|
if Length(Data) < Count then
|
|
Count := Length(Data);
|
|
SetLength(AnsiS, Count);
|
|
for I := 0 to Length(AnsiS) - 1 do
|
|
AnsiS[I + 1] := AnsiChar(Data[I]);
|
|
Result := string(AnsiS); // convert to System.String
|
|
end;
|
|
|
|
function BytesOf(const Value: AnsiString): TBytes;
|
|
begin
|
|
SetLength(Result, Length(Value));
|
|
if Value <> '' then
|
|
Move(Pointer(Value)^, Result[0], Length(Value));
|
|
end;
|
|
|
|
function BytesOf(const Value: WideString): TBytes;
|
|
begin
|
|
if Value <> '' then
|
|
Result := JclBase.BytesOf(AnsiString(Value))
|
|
else
|
|
SetLength(Result, 0);
|
|
end;
|
|
|
|
function BytesOf(const Value: WideChar): TBytes;
|
|
begin
|
|
Result := JclBase.BytesOf(WideString(Value));
|
|
end;
|
|
|
|
function BytesOf(const Value: AnsiChar): TBytes;
|
|
begin
|
|
SetLength(Result, 1);
|
|
Result[0] := Byte(Value);
|
|
end;
|
|
|
|
function StringOf(const Bytes: array of Byte): AnsiString;
|
|
begin
|
|
if Length(Bytes) > 0 then
|
|
begin
|
|
SetLength(Result, Length(Bytes));
|
|
Move(Bytes[0], Pointer(Result)^, Length(Bytes));
|
|
end
|
|
else
|
|
Result := '';
|
|
end;
|
|
|
|
function StringOf(const Bytes: Pointer; Size: Cardinal): AnsiString;
|
|
begin
|
|
if (Bytes <> nil) and (Size > 0) then
|
|
begin
|
|
SetLength(Result, Size);
|
|
Move(Bytes^, Pointer(Result)^, Size);
|
|
end
|
|
else
|
|
Result := '';
|
|
end;
|
|
|
|
// Int64 support
|
|
|
|
procedure I64ToCardinals(I: Int64; out LowPart, HighPart: Cardinal);
|
|
begin
|
|
LowPart := TJclULargeInteger(I).LowPart;
|
|
HighPart := TJclULargeInteger(I).HighPart;
|
|
end;
|
|
|
|
procedure CardinalsToI64(out I: Int64; const LowPart, HighPart: Cardinal);
|
|
begin
|
|
TJclULargeInteger(I).LowPart := LowPart;
|
|
TJclULargeInteger(I).HighPart := HighPart;
|
|
end;
|
|
|
|
// Cross Platform Compatibility
|
|
|
|
{$IFNDEF XPLATFORM_RTL}
|
|
procedure RaiseLastOSError;
|
|
begin
|
|
RaiseLastWin32Error;
|
|
end;
|
|
{$ENDIF ~XPLATFORM_RTL}
|
|
|
|
{$OVERFLOWCHECKS OFF}
|
|
|
|
function Addr64ToAddr32(const Value: TJclAddr64): TJclAddr32;
|
|
begin
|
|
if (Value shr 32) = 0 then
|
|
Result := Value
|
|
else
|
|
raise EJclAddr64Exception.CreateResFmt(@RsCantConvertAddr64, [HexPrefix, Value]);
|
|
end;
|
|
|
|
function Addr32ToAddr64(const Value: TJclAddr32): TJclAddr64;
|
|
begin
|
|
Result := Value;
|
|
end;
|
|
|
|
{$IFDEF OVERFLOWCHECKS_ON}
|
|
{$OVERFLOWCHECKS ON}
|
|
{$ENDIF OVERFLOWCHECKS_ON}
|
|
|
|
{$IFDEF SUPPORTS_GENERICS}
|
|
//=== { TEquatable<T> } ======================================================
|
|
|
|
function TEquatable<T>.TestEquals(Other: T): Boolean;
|
|
begin
|
|
if Other = nil then
|
|
Result := False
|
|
else
|
|
Result := GetHashCode = Other.GetHashCode;
|
|
end;
|
|
|
|
function TEquatable<T>.TestEquals(A, B: T): Boolean;
|
|
begin
|
|
if A = nil then
|
|
Result := B = nil
|
|
else
|
|
if B = nil then
|
|
Result := False
|
|
else
|
|
Result := A.GetHashCode = B.GetHashCode;
|
|
end;
|
|
|
|
function TEquatable<T>.GetHashCode2(Obj: T): Integer;
|
|
begin
|
|
if Obj = nil then
|
|
Result := 0
|
|
else
|
|
Result := Obj.GetHashCode;
|
|
end;
|
|
|
|
{$ENDIF SUPPORTS_GENERICS}
|
|
|
|
procedure LoadAnsiReplacementCharacter;
|
|
{$IFDEF MSWINDOWS}
|
|
var
|
|
CpInfo: TCpInfo;
|
|
begin
|
|
CpInfo.MaxCharSize := 0;
|
|
if GetCPInfo(CP_ACP, CpInfo) then
|
|
AnsiReplacementCharacter := AnsiChar(Chr(CpInfo.DefaultChar[0]))
|
|
else
|
|
raise EJclInternalError.CreateRes(@RsEReplacementChar);
|
|
end;
|
|
{$ELSE ~MSWINDOWS}
|
|
begin
|
|
AnsiReplacementCharacter := '?';
|
|
end;
|
|
{$ENDIF ~MSWINDOWS}
|
|
|
|
{$IFDEF FPC}
|
|
// FPC emits a lot of warning because the first parameter of its internal
|
|
// GetMem is a var parameter, which is not initialized before the call to GetMem
|
|
procedure GetMem(out P; Size: Longint);
|
|
begin
|
|
Pointer(P) := nil;
|
|
GetMem(Pointer(P), Size);
|
|
end;
|
|
{$ENDIF FPC}
|
|
|
|
initialization
|
|
|
|
LoadAnsiReplacementCharacter;
|
|
{$IFDEF UNITVERSIONING}
|
|
RegisterUnitVersion(HInstance, UnitVersioning);
|
|
{$ENDIF UNITVERSIONING}
|
|
|
|
finalization
|
|
{$IFDEF UNITVERSIONING}
|
|
UnregisterUnitVersion(HInstance);
|
|
{$ENDIF UNITVERSIONING}
|
|
|
|
end.
|