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-rw-r--r--Lua/src/lib/TntUnicodeControls/TntSysUtils.pas1753
1 files changed, 1753 insertions, 0 deletions
diff --git a/Lua/src/lib/TntUnicodeControls/TntSysUtils.pas b/Lua/src/lib/TntUnicodeControls/TntSysUtils.pas
new file mode 100644
index 00000000..b7cf2467
--- /dev/null
+++ b/Lua/src/lib/TntUnicodeControls/TntSysUtils.pas
@@ -0,0 +1,1753 @@
+
+{*****************************************************************************}
+{ }
+{ Tnt Delphi Unicode Controls }
+{ http://www.tntware.com/delphicontrols/unicode/ }
+{ Version: 2.3.0 }
+{ }
+{ Copyright (c) 2002-2007, Troy Wolbrink (troy.wolbrink@tntware.com) }
+{ }
+{*****************************************************************************}
+
+unit TntSysUtils;
+
+{$IFDEF FPC}
+ {$MODE Delphi}
+{$ENDIF}
+
+{$INCLUDE TntCompilers.inc}
+
+interface
+
+{ TODO: Consider: more filename functions from SysUtils }
+{ TODO: Consider: string functions from StrUtils. }
+
+uses
+ Types, SysUtils, Windows, TntWindows;
+
+//---------------------------------------------------------------------------------------------
+// Tnt - Types
+//---------------------------------------------------------------------------------------------
+
+// ......... introduced .........
+type
+ // The user of the application did something plainly wrong.
+ ETntUserError = class(Exception);
+ // A general error occured. (ie. file didn't exist, server didn't return data, etc.)
+ ETntGeneralError = class(Exception);
+ // Like Assert(). An error occured that should never have happened, send me a bug report now!
+ ETntInternalError = class(Exception);
+
+{$IFNDEF FPC}
+type
+ PtrInt = LongInt;
+ PtrUInt = LongWord;
+{$ENDIF}
+
+//---------------------------------------------------------------------------------------------
+// Tnt - SysUtils
+//---------------------------------------------------------------------------------------------
+
+// ......... SBCS and MBCS functions with WideString replacements in SysUtils.pas .........
+
+{TNT-WARN CompareStr} {TNT-WARN AnsiCompareStr}
+{TNT-WARN SameStr} {TNT-WARN AnsiSameStr}
+{TNT-WARN SameText} {TNT-WARN AnsiSameText}
+{TNT-WARN CompareText} {TNT-WARN AnsiCompareText}
+{TNT-WARN UpperCase} {TNT-WARN AnsiUpperCase}
+{TNT-WARN LowerCase} {TNT-WARN AnsiLowerCase}
+
+{TNT-WARN AnsiPos} { --> Pos() supports WideString. }
+{TNT-WARN FmtStr}
+{TNT-WARN Format}
+{TNT-WARN FormatBuf}
+
+// ......... MBCS Byte Type Procs .........
+
+{TNT-WARN ByteType}
+{TNT-WARN StrByteType}
+{TNT-WARN ByteToCharIndex}
+{TNT-WARN ByteToCharLen}
+{TNT-WARN CharToByteIndex}
+{TNT-WARN CharToByteLen}
+
+// ........ null-terminated string functions .........
+
+{TNT-WARN StrEnd}
+{TNT-WARN StrLen}
+{TNT-WARN StrLCopy}
+{TNT-WARN StrCopy}
+{TNT-WARN StrECopy}
+{TNT-WARN StrPLCopy}
+{TNT-WARN StrPCopy}
+{TNT-WARN StrLComp}
+{TNT-WARN AnsiStrLComp}
+{TNT-WARN StrComp}
+{TNT-WARN AnsiStrComp}
+{TNT-WARN StrLIComp}
+{TNT-WARN AnsiStrLIComp}
+{TNT-WARN StrIComp}
+{TNT-WARN AnsiStrIComp}
+{TNT-WARN StrLower}
+{TNT-WARN AnsiStrLower}
+{TNT-WARN StrUpper}
+{TNT-WARN AnsiStrUpper}
+{TNT-WARN StrPos}
+{TNT-WARN AnsiStrPos}
+{TNT-WARN StrScan}
+{TNT-WARN AnsiStrScan}
+{TNT-WARN StrRScan}
+{TNT-WARN AnsiStrRScan}
+{TNT-WARN StrLCat}
+{TNT-WARN StrCat}
+{TNT-WARN StrMove}
+{TNT-WARN StrPas}
+{TNT-WARN StrAlloc}
+{TNT-WARN StrBufSize}
+{TNT-WARN StrNew}
+{TNT-WARN StrDispose}
+
+{TNT-WARN AnsiExtractQuotedStr}
+{TNT-WARN AnsiLastChar}
+{TNT-WARN AnsiStrLastChar}
+{TNT-WARN QuotedStr}
+{TNT-WARN AnsiQuotedStr}
+{TNT-WARN AnsiDequotedStr}
+
+// ........ string functions .........
+
+{$IFNDEF FPC}
+{$IFNDEF COMPILER_9_UP}
+ //
+ // pre-Delphi 9 issues w/ WideFormatBuf, WideFmtStr and WideFormat
+ //
+
+ {$IFDEF COMPILER_7_UP}
+ type
+ PFormatSettings = ^TFormatSettings;
+ {$ENDIF}
+
+ // SysUtils.WideFormatBuf doesn't correctly handle numeric specifiers.
+ function Tnt_WideFormatBuf(var Buffer; BufLen: Cardinal; const FormatStr;
+ FmtLen: Cardinal; const Args: array of const): Cardinal; {$IFDEF COMPILER_7_UP} overload; {$ENDIF}
+
+ {$IFDEF COMPILER_7_UP}
+ function Tnt_WideFormatBuf(var Buffer; BufLen: Cardinal; const FormatStr;
+ FmtLen: Cardinal; const Args: array of const;
+ const FormatSettings: TFormatSettings): Cardinal; overload;
+ {$ENDIF}
+
+ // SysUtils.WideFmtStr doesn't handle string lengths > 4096.
+ procedure Tnt_WideFmtStr(var Result: WideString; const FormatStr: WideString;
+ const Args: array of const); {$IFDEF COMPILER_7_UP} overload; {$ENDIF}
+
+ {$IFDEF COMPILER_7_UP}
+ procedure Tnt_WideFmtStr(var Result: WideString; const FormatStr: WideString;
+ const Args: array of const; const FormatSettings: TFormatSettings); overload;
+ {$ENDIF}
+
+ {----------------------------------------------------------------------------------------
+ Without the FormatSettings parameter, Tnt_WideFormat is *NOT* necessary...
+ TntSystem.InstallTntSystemUpdates([tsFixWideFormat]);
+ will fix WideFormat as well as WideFmtStr.
+ ----------------------------------------------------------------------------------------}
+ function Tnt_WideFormat(const FormatStr: WideString; const Args: array of const): WideString; {$IFDEF COMPILER_7_UP} overload; {$ENDIF}
+
+ {$IFDEF COMPILER_7_UP}
+ function Tnt_WideFormat(const FormatStr: WideString; const Args: array of const;
+ const FormatSettings: TFormatSettings): WideString; overload;
+ {$ENDIF}
+
+{$ENDIF}
+{$ENDIF}
+
+{TNT-WARN WideUpperCase} // SysUtils.WideUpperCase is broken on Win9x for D6, D7, D9.
+function Tnt_WideUpperCase(const S: WideString): WideString;
+{TNT-WARN WideLowerCase} // SysUtils.WideLowerCase is broken on Win9x for D6, D7, D9.
+function Tnt_WideLowerCase(const S: WideString): WideString;
+
+function TntWideLastChar(const S: WideString): WideChar;
+
+{TNT-WARN StringReplace}
+{TNT-WARN WideStringReplace} // <-- WideStrUtils.WideStringReplace uses SysUtils.WideUpperCase which is broken on Win9x.
+function Tnt_WideStringReplace(const S, OldPattern, NewPattern: WideString;
+ Flags: TReplaceFlags; WholeWord: Boolean = False): WideString;
+
+{TNT-WARN AdjustLineBreaks}
+type TTntTextLineBreakStyle = (tlbsLF, tlbsCRLF, tlbsCR);
+function TntAdjustLineBreaksLength(const S: WideString; Style: TTntTextLineBreakStyle = tlbsCRLF): Integer;
+function TntAdjustLineBreaks(const S: WideString; Style: TTntTextLineBreakStyle = tlbsCRLF): WideString;
+
+{TNT-WARN WrapText}
+function WideWrapText(const Line, BreakStr: WideString; const BreakChars: TSysCharSet;
+ MaxCol: Integer): WideString; overload;
+function WideWrapText(const Line: WideString; MaxCol: Integer): WideString; overload;
+
+// ........ filename manipulation .........
+
+{TNT-WARN SameFileName} // doesn't apply to Unicode filenames, use WideSameText
+{TNT-WARN AnsiCompareFileName} // doesn't apply to Unicode filenames, use WideCompareText
+{TNT-WARN AnsiLowerCaseFileName} // doesn't apply to Unicode filenames, use WideLowerCase
+{TNT-WARN AnsiUpperCaseFileName} // doesn't apply to Unicode filenames, use WideUpperCase
+
+{TNT-WARN IncludeTrailingBackslash}
+function WideIncludeTrailingBackslash(const S: WideString): WideString;
+{TNT-WARN IncludeTrailingPathDelimiter}
+function WideIncludeTrailingPathDelimiter(const S: WideString): WideString;
+{TNT-WARN ExcludeTrailingBackslash}
+function WideExcludeTrailingBackslash(const S: WideString): WideString;
+{TNT-WARN ExcludeTrailingPathDelimiter}
+function WideExcludeTrailingPathDelimiter(const S: WideString): WideString;
+{TNT-WARN IsDelimiter}
+function WideIsDelimiter(const Delimiters, S: WideString; Index: Integer): Boolean;
+{TNT-WARN IsPathDelimiter}
+function WideIsPathDelimiter(const S: WideString; Index: Integer): Boolean;
+{TNT-WARN LastDelimiter}
+function WideLastDelimiter(const Delimiters, S: WideString): Integer;
+{TNT-WARN ChangeFileExt}
+function WideChangeFileExt(const FileName, Extension: WideString): WideString;
+{TNT-WARN ExtractFilePath}
+function WideExtractFilePath(const FileName: WideString): WideString;
+{TNT-WARN ExtractFileDir}
+function WideExtractFileDir(const FileName: WideString): WideString;
+{TNT-WARN ExtractFileDrive}
+function WideExtractFileDrive(const FileName: WideString): WideString;
+{TNT-WARN ExtractFileName}
+function WideExtractFileName(const FileName: WideString): WideString;
+{TNT-WARN ExtractFileExt}
+function WideExtractFileExt(const FileName: WideString): WideString;
+{TNT-WARN ExtractRelativePath}
+function WideExtractRelativePath(const BaseName, DestName: WideString): WideString;
+
+// ........ file management routines .........
+
+{TNT-WARN ExpandFileName}
+function WideExpandFileName(const FileName: WideString): WideString;
+{TNT-WARN ExtractShortPathName}
+function WideExtractShortPathName(const FileName: WideString): WideString;
+{TNT-WARN FileCreate}
+function WideFileCreate(const FileName: WideString): Integer;
+{TNT-WARN FileOpen}
+function WideFileOpen(const FileName: WideString; Mode: LongWord): Integer;
+{TNT-WARN FileAge}
+function WideFileAge(const FileName: WideString): Integer; overload;
+function WideFileAge(const FileName: WideString; out FileDateTime: TDateTime): Boolean; overload;
+{TNT-WARN DirectoryExists}
+function WideDirectoryExists(const Name: WideString): Boolean;
+{TNT-WARN FileExists}
+function WideFileExists(const Name: WideString): Boolean;
+{TNT-WARN FileGetAttr}
+function WideFileGetAttr(const FileName: WideString): Cardinal;
+{TNT-WARN FileSetAttr}
+function WideFileSetAttr(const FileName: WideString; Attr: Integer): Boolean;
+{TNT-WARN FileIsReadOnly}
+function WideFileIsReadOnly(const FileName: WideString): Boolean;
+{TNT-WARN FileSetReadOnly}
+function WideFileSetReadOnly(const FileName: WideString; ReadOnly: Boolean): Boolean;
+{TNT-WARN ForceDirectories}
+function WideForceDirectories(Dir: WideString): Boolean;
+{TNT-WARN FileSearch}
+function WideFileSearch(const Name, DirList: WideString): WideString;
+{TNT-WARN RenameFile}
+function WideRenameFile(const OldName, NewName: WideString): Boolean;
+{TNT-WARN DeleteFile}
+function WideDeleteFile(const FileName: WideString): Boolean;
+{TNT-WARN CopyFile}
+function WideCopyFile(const FromFile, ToFile: WideString; FailIfExists: Boolean): Boolean;
+
+
+{TNT-WARN TFileName}
+type
+ TWideFileName = type WideString;
+
+{TNT-WARN TSearchRec} // <-- FindFile - warning on TSearchRec is all that is necessary
+type
+ TSearchRecW = record
+ Time: Integer;
+ Size: Int64;
+ Attr: Integer;
+ Name: TWideFileName;
+ ExcludeAttr: Integer;
+ FindHandle: THandle;
+ FindData: TWin32FindDataW;
+ end;
+function WideFindFirst(const Path: WideString; Attr: Integer; var F: TSearchRecW): Integer;
+function WideFindNext(var F: TSearchRecW): Integer;
+procedure WideFindClose(var F: TSearchRecW);
+
+{TNT-WARN CreateDir}
+function WideCreateDir(const Dir: WideString): Boolean;
+{TNT-WARN RemoveDir}
+function WideRemoveDir(const Dir: WideString): Boolean;
+{TNT-WARN GetCurrentDir}
+function WideGetCurrentDir: WideString;
+{TNT-WARN SetCurrentDir}
+function WideSetCurrentDir(const Dir: WideString): Boolean;
+
+
+// ........ date/time functions .........
+
+{TNT-WARN TryStrToDateTime}
+function TntTryStrToDateTime(Str: WideString; out DateTime: TDateTime): Boolean;
+{TNT-WARN TryStrToDate}
+function TntTryStrToDate(Str: WideString; out DateTime: TDateTime): Boolean;
+{TNT-WARN TryStrToTime}
+function TntTryStrToTime(Str: WideString; out DateTime: TDateTime): Boolean;
+
+{ introduced }
+function ValidDateTimeStr(Str: WideString): Boolean;
+function ValidDateStr(Str: WideString): Boolean;
+function ValidTimeStr(Str: WideString): Boolean;
+
+{TNT-WARN StrToDateTime}
+function TntStrToDateTime(Str: WideString): TDateTime;
+{TNT-WARN StrToDate}
+function TntStrToDate(Str: WideString): TDateTime;
+{TNT-WARN StrToTime}
+function TntStrToTime(Str: WideString): TDateTime;
+{TNT-WARN StrToDateTimeDef}
+function TntStrToDateTimeDef(Str: WideString; Default: TDateTime): TDateTime;
+{TNT-WARN StrToDateDef}
+function TntStrToDateDef(Str: WideString; Default: TDateTime): TDateTime;
+{TNT-WARN StrToTimeDef}
+function TntStrToTimeDef(Str: WideString; Default: TDateTime): TDateTime;
+
+{TNT-WARN CurrToStr}
+{TNT-WARN CurrToStrF}
+function TntCurrToStr(Value: Currency; lpFormat: PCurrencyFmtW = nil): WideString;
+{TNT-WARN StrToCurr}
+function TntStrToCurr(const S: WideString): Currency;
+{TNT-WARN StrToCurrDef}
+function ValidCurrencyStr(const S: WideString): Boolean;
+function TntStrToCurrDef(const S: WideString; const Default: Currency): Currency;
+function GetDefaultCurrencyFmt: TCurrencyFmtW;
+
+// ........ misc functions .........
+
+{TNT-WARN GetLocaleStr}
+function WideGetLocaleStr(LocaleID: LCID; LocaleType: Integer; const Default: WideString): WideString;
+{TNT-WARN SysErrorMessage}
+function WideSysErrorMessage(ErrorCode: Integer): WideString;
+
+// ......... introduced .........
+
+function WideLibraryErrorMessage(const LibName: WideString; Dll: THandle; ErrorCode: Integer): WideString;
+
+const
+ CR = WideChar(#13);
+ LF = WideChar(#10);
+ CRLF = WideString(#13#10);
+ WideLineSeparator = WideChar($2028);
+
+var
+ Win32PlatformIsUnicode: Boolean;
+ Win32PlatformIsXP: Boolean;
+ Win32PlatformIs2003: Boolean;
+ Win32PlatformIsVista: Boolean;
+
+{$IFNDEF FPC}
+{$IFNDEF COMPILER_7_UP}
+function CheckWin32Version(AMajor: Integer; AMinor: Integer = 0): Boolean;
+{$ENDIF}
+{$ENDIF}
+function WinCheckH(RetVal: Cardinal): Cardinal;
+function WinCheckFileH(RetVal: Cardinal): Cardinal;
+function WinCheckP(RetVal: Pointer): Pointer;
+
+function WideGetModuleFileName(Instance: HModule): WideString;
+function WideSafeLoadLibrary(const Filename: Widestring;
+ ErrorMode: UINT = SEM_NOOPENFILEERRORBOX): HMODULE;
+{$IFNDEF FPC}
+function WideLoadPackage(const Name: Widestring): HMODULE;
+{$ENDIF}
+
+function IsWideCharUpper(WC: WideChar): Boolean;
+function IsWideCharLower(WC: WideChar): Boolean;
+function IsWideCharDigit(WC: WideChar): Boolean;
+function IsWideCharSpace(WC: WideChar): Boolean;
+function IsWideCharPunct(WC: WideChar): Boolean;
+function IsWideCharCntrl(WC: WideChar): Boolean;
+function IsWideCharBlank(WC: WideChar): Boolean;
+function IsWideCharXDigit(WC: WideChar): Boolean;
+function IsWideCharAlpha(WC: WideChar): Boolean;
+function IsWideCharAlphaNumeric(WC: WideChar): Boolean;
+
+function WideTextPos(const SubStr, S: WideString): Integer;
+
+function ExtractStringArrayStr(P: PWideChar): WideString;
+function ExtractStringFromStringArray(var P: PWideChar; Separator: WideChar = #0): WideString;
+function ExtractStringsFromStringArray(P: PWideChar; Separator: WideChar = #0): TWideStringDynArray;
+
+function IsWideCharMappableToAnsi(const WC: WideChar): Boolean;
+function IsWideStringMappableToAnsi(const WS: WideString): Boolean;
+function IsRTF(const Value: WideString): Boolean;
+
+function ENG_US_FloatToStr(Value: Extended): WideString;
+function ENG_US_StrToFloat(const S: WideString): Extended;
+
+//---------------------------------------------------------------------------------------------
+// Tnt - Variants
+//---------------------------------------------------------------------------------------------
+
+// ........ Variants.pas has WideString versions of these functions .........
+{TNT-WARN VarToStr}
+{TNT-WARN VarToStrDef}
+
+var
+ _SettingChangeTime: Cardinal;
+
+implementation
+
+uses
+ ActiveX, ComObj, SysConst,
+ {$IFDEF COMPILER_9_UP} WideStrUtils, {$ENDIF} TntWideStrUtils,
+ TntSystem, TntFormatStrUtils;
+
+//---------------------------------------------------------------------------------------------
+// Tnt - SysUtils
+//---------------------------------------------------------------------------------------------
+
+{$IFNDEF FPC}
+{$IFNDEF COMPILER_9_UP}
+
+ function _Tnt_WideFormatBuf(var Buffer; BufLen: Cardinal; const FormatStr;
+ FmtLen: Cardinal; const Args: array of const
+ {$IFDEF COMPILER_7_UP}; const FormatSettings: PFormatSettings {$ENDIF}): Cardinal;
+ var
+ OldFormat: WideString;
+ NewFormat: WideString;
+ begin
+ SetString(OldFormat, PWideChar(@FormatStr), FmtLen);
+ { The reason for this is that WideFormat doesn't correctly format floating point specifiers.
+ See QC#4254. }
+ NewFormat := ReplaceFloatingArgumentsInFormatString(OldFormat, Args{$IFDEF COMPILER_7_UP}, FormatSettings{$ENDIF});
+ {$IFDEF COMPILER_7_UP}
+ if FormatSettings <> nil then
+ Result := WideFormatBuf(Buffer, BufLen, Pointer(NewFormat)^,
+ Length(NewFormat), Args, FormatSettings^)
+ else
+ {$ENDIF}
+ Result := WideFormatBuf(Buffer, BufLen, Pointer(NewFormat)^,
+ Length(NewFormat), Args);
+ end;
+
+ function Tnt_WideFormatBuf(var Buffer; BufLen: Cardinal; const FormatStr;
+ FmtLen: Cardinal; const Args: array of const): Cardinal;
+ begin
+ Result := _Tnt_WideFormatBuf(Buffer, BufLen, FormatStr, FmtLen, Args{$IFDEF COMPILER_7_UP}, nil{$ENDIF});
+ end;
+
+ {$IFDEF COMPILER_7_UP}
+ function Tnt_WideFormatBuf(var Buffer; BufLen: Cardinal; const FormatStr;
+ FmtLen: Cardinal; const Args: array of const; const FormatSettings: TFormatSettings): Cardinal;
+ begin
+ Result := _Tnt_WideFormatBuf(Buffer, BufLen, FormatStr, FmtLen, Args, @FormatSettings);
+ end;
+ {$ENDIF}
+
+ procedure _Tnt_WideFmtStr(var Result: WideString; const FormatStr: WideString;
+ const Args: array of const{$IFDEF COMPILER_7_UP}; const FormatSettings: PFormatSettings{$ENDIF});
+ var
+ Len, BufLen: Integer;
+ Buffer: array[0..4095] of WideChar;
+ begin
+ BufLen := Length(Buffer); // Fixes buffer overwrite issue. (See QC #4703, #4744)
+ if Length(FormatStr) < (Length(Buffer) - (Length(Buffer) div 4)) then
+ Len := _Tnt_WideFormatBuf(Buffer, Length(Buffer) - 1, Pointer(FormatStr)^,
+ Length(FormatStr), Args{$IFDEF COMPILER_7_UP}, FormatSettings{$ENDIF})
+ else
+ begin
+ BufLen := Length(FormatStr);
+ Len := BufLen;
+ end;
+ if Len >= BufLen - 1 then
+ begin
+ while Len >= BufLen - 1 do
+ begin
+ Inc(BufLen, BufLen);
+ Result := ''; // prevent copying of existing data, for speed
+ SetLength(Result, BufLen);
+ Len := _Tnt_WideFormatBuf(Pointer(Result)^, BufLen - 1, Pointer(FormatStr)^,
+ Length(FormatStr), Args{$IFDEF COMPILER_7_UP}, FormatSettings{$ENDIF});
+ end;
+ SetLength(Result, Len);
+ end
+ else
+ SetString(Result, Buffer, Len);
+ end;
+
+ procedure Tnt_WideFmtStr(var Result: WideString; const FormatStr: WideString;
+ const Args: array of const);
+ begin
+ _Tnt_WideFmtStr(Result, FormatStr, Args{$IFDEF COMPILER_7_UP}, nil{$ENDIF});
+ end;
+
+ {$IFDEF COMPILER_7_UP}
+ procedure Tnt_WideFmtStr(var Result: WideString; const FormatStr: WideString;
+ const Args: array of const; const FormatSettings: TFormatSettings);
+ begin
+ _Tnt_WideFmtStr(Result, FormatStr, Args, @FormatSettings);
+ end;
+ {$ENDIF}
+
+ {----------------------------------------------------------------------------------------
+ Without the FormatSettings parameter, Tnt_WideFormat is *NOT* necessary...
+ TntSystem.InstallTntSystemUpdates([tsFixWideFormat]);
+ will fix WideFormat as well as WideFmtStr.
+ ----------------------------------------------------------------------------------------}
+ function Tnt_WideFormat(const FormatStr: WideString; const Args: array of const): WideString;
+ begin
+ Tnt_WideFmtStr(Result, FormatStr, Args);
+ end;
+
+ {$IFDEF COMPILER_7_UP}
+ function Tnt_WideFormat(const FormatStr: WideString; const Args: array of const;
+ const FormatSettings: TFormatSettings): WideString;
+ begin
+ Tnt_WideFmtStr(Result, FormatStr, Args, FormatSettings);
+ end;
+ {$ENDIF}
+
+{$ENDIF}
+{$ENDIF FPC}
+
+function Tnt_WideUpperCase(const S: WideString): WideString;
+begin
+ {$IFNDEF FPC}
+ {$IFNDEF COMPILER_10_UP}
+ {$DEFINE WIDEUPPERCASE_BROKEN}
+ {$ENDIF}
+ {$ENDIF}
+ {$IFDEF WIDEUPPERCASE_BROKEN}
+ { SysUtils.WideUpperCase is broken for Win9x. }
+ Result := S;
+ if Length(Result) > 0 then
+ Tnt_CharUpperBuffW(PWideChar(Result), Length(Result));
+ {$ELSE}
+ Result := SysUtils.WideUpperCase{TNT-ALLOW WideUpperCase}(S);
+ {$ENDIF}
+end;
+
+function Tnt_WideLowerCase(const S: WideString): WideString;
+begin
+ {$IFNDEF FPC}
+ {$IFNDEF COMPILER_10_UP}
+ {$DEFINE WIDELOWERCASE_BROKEN}
+ {$ENDIF}
+ {$ENDIF}
+ {$IFDEF WIDELOWERCASE_BROKEN}
+ { SysUtils.WideLowerCase is broken for Win9x. }
+ Result := S;
+ if Length(Result) > 0 then
+ Tnt_CharLowerBuffW(PWideChar(Result), Length(Result));
+ {$ELSE}
+ Result := SysUtils.WideLowerCase{TNT-ALLOW WideLowerCase}(S);
+ {$ENDIF}
+end;
+
+function TntWideLastChar(const S: WideString): WideChar;
+var
+ P: PWideChar;
+begin
+ P := WideLastChar(S);
+ if P = nil then
+ Result := #0
+ else
+ Result := P^;
+end;
+
+function Tnt_WideStringReplace(const S, OldPattern, NewPattern: WideString;
+ Flags: TReplaceFlags; WholeWord: Boolean = False): WideString;
+
+ function IsWordSeparator(WC: WideChar): Boolean;
+ begin
+ Result := (WC = WideChar(#0))
+ or IsWideCharSpace(WC)
+ or IsWideCharPunct(WC);
+ end;
+
+var
+ SearchStr, Patt, NewStr: WideString;
+ Offset: Integer;
+ PrevChar, NextChar: WideChar;
+begin
+ if rfIgnoreCase in Flags then
+ begin
+ SearchStr := Tnt_WideUpperCase(S);
+ Patt := Tnt_WideUpperCase(OldPattern);
+ end else
+ begin
+ SearchStr := S;
+ Patt := OldPattern;
+ end;
+ NewStr := S;
+ Result := '';
+ while SearchStr <> '' do
+ begin
+ Offset := Pos(Patt, SearchStr);
+ if Offset = 0 then
+ begin
+ Result := Result + NewStr;
+ Break;
+ end; // done
+
+ if (WholeWord) then
+ begin
+ if (Offset = 1) then
+ PrevChar := TntWideLastChar(Result)
+ else
+ PrevChar := NewStr[Offset - 1];
+
+ if Offset + Length(OldPattern) <= Length(NewStr) then
+ NextChar := NewStr[Offset + Length(OldPattern)]
+ else
+ NextChar := WideChar(#0);
+
+ if (not IsWordSeparator(PrevChar))
+ or (not IsWordSeparator(NextChar)) then
+ begin
+ Result := Result + Copy(NewStr, 1, Offset + Length(OldPattern) - 1);
+ NewStr := Copy(NewStr, Offset + Length(OldPattern), MaxInt);
+ SearchStr := Copy(SearchStr, Offset + Length(Patt), MaxInt);
+ continue;
+ end;
+ end;
+
+ Result := Result + Copy(NewStr, 1, Offset - 1) + NewPattern;
+ NewStr := Copy(NewStr, Offset + Length(OldPattern), MaxInt);
+ if not (rfReplaceAll in Flags) then
+ begin
+ Result := Result + NewStr;
+ Break;
+ end;
+ SearchStr := Copy(SearchStr, Offset + Length(Patt), MaxInt);
+ end;
+end;
+
+function TntAdjustLineBreaksLength(const S: WideString; Style: TTntTextLineBreakStyle = tlbsCRLF): Integer;
+var
+ Source, SourceEnd: PWideChar;
+begin
+ Source := Pointer(S);
+ SourceEnd := Source + Length(S);
+ Result := Length(S);
+ while Source < SourceEnd do
+ begin
+ case Source^ of
+ #10, WideLineSeparator:
+ if Style = tlbsCRLF then
+ Inc(Result);
+ #13:
+ if Style = tlbsCRLF then
+ if Source[1] = #10 then
+ Inc(Source)
+ else
+ Inc(Result)
+ else
+ if Source[1] = #10 then
+ Dec(Result);
+ end;
+ Inc(Source);
+ end;
+end;
+
+function TntAdjustLineBreaks(const S: WideString; Style: TTntTextLineBreakStyle = tlbsCRLF): WideString;
+var
+ Source, SourceEnd, Dest: PWideChar;
+ DestLen: Integer;
+begin
+ Source := Pointer(S);
+ SourceEnd := Source + Length(S);
+ DestLen := TntAdjustLineBreaksLength(S, Style);
+ SetString(Result, nil, DestLen);
+ Dest := Pointer(Result);
+ while Source < SourceEnd do begin
+ case Source^ of
+ #10, WideLineSeparator:
+ begin
+ if Style in [tlbsCRLF, tlbsCR] then
+ begin
+ Dest^ := #13;
+ Inc(Dest);
+ end;
+ if Style in [tlbsCRLF, tlbsLF] then
+ begin
+ Dest^ := #10;
+ Inc(Dest);
+ end;
+ Inc(Source);
+ end;
+ #13:
+ begin
+ if Style in [tlbsCRLF, tlbsCR] then
+ begin
+ Dest^ := #13;
+ Inc(Dest);
+ end;
+ if Style in [tlbsCRLF, tlbsLF] then
+ begin
+ Dest^ := #10;
+ Inc(Dest);
+ end;
+ Inc(Source);
+ if Source^ = #10 then Inc(Source);
+ end;
+ else
+ Dest^ := Source^;
+ Inc(Dest);
+ Inc(Source);
+ end;
+ end;
+end;
+
+function WideWrapText(const Line, BreakStr: WideString; const BreakChars: TSysCharSet;
+ MaxCol: Integer): WideString;
+
+ function WideCharIn(C: WideChar; SysCharSet: TSysCharSet): Boolean;
+ begin
+ Result := (C <= High(AnsiChar)) and (AnsiChar(C) in SysCharSet);
+ end;
+
+const
+ QuoteChars = ['''', '"'];
+var
+ Col, Pos: Integer;
+ LinePos, LineLen: Integer;
+ BreakLen, BreakPos: Integer;
+ QuoteChar, CurChar: WideChar;
+ ExistingBreak: Boolean;
+begin
+ Col := 1;
+ Pos := 1;
+ LinePos := 1;
+ BreakPos := 0;
+ QuoteChar := ' ';
+ ExistingBreak := False;
+ LineLen := Length(Line);
+ BreakLen := Length(BreakStr);
+ Result := '';
+ while Pos <= LineLen do
+ begin
+ CurChar := Line[Pos];
+ if CurChar = BreakStr[1] then
+ begin
+ if QuoteChar = ' ' then
+ begin
+ ExistingBreak := WideSameText(BreakStr, Copy(Line, Pos, BreakLen));
+ if ExistingBreak then
+ begin
+ Inc(Pos, BreakLen-1);
+ BreakPos := Pos;
+ end;
+ end
+ end
+ else if WideCharIn(CurChar, BreakChars) then
+ begin
+ if QuoteChar = ' ' then BreakPos := Pos
+ end
+ else if WideCharIn(CurChar, QuoteChars) then
+ begin
+ if CurChar = QuoteChar then
+ QuoteChar := ' '
+ else if QuoteChar = ' ' then
+ QuoteChar := CurChar;
+ end;
+ Inc(Pos);
+ Inc(Col);
+ if not (WideCharIn(QuoteChar, QuoteChars)) and (ExistingBreak or
+ ((Col > MaxCol) and (BreakPos > LinePos))) then
+ begin
+ Col := Pos - BreakPos;
+ Result := Result + Copy(Line, LinePos, BreakPos - LinePos + 1);
+ if not (WideCharIn(CurChar, QuoteChars)) then
+ while Pos <= LineLen do
+ begin
+ if WideCharIn(Line[Pos], BreakChars) then
+ Inc(Pos)
+ else if Copy(Line, Pos, Length(sLineBreak)) = sLineBreak then
+ Inc(Pos, Length(sLineBreak))
+ else
+ break;
+ end;
+ if not ExistingBreak and (Pos < LineLen) then
+ Result := Result + BreakStr;
+ Inc(BreakPos);
+ LinePos := BreakPos;
+ ExistingBreak := False;
+ end;
+ end;
+ Result := Result + Copy(Line, LinePos, MaxInt);
+end;
+
+function WideWrapText(const Line: WideString; MaxCol: Integer): WideString;
+begin
+ Result := WideWrapText(Line, sLineBreak, [' ', '-', #9], MaxCol); { do not localize }
+end;
+
+function WideIncludeTrailingBackslash(const S: WideString): WideString;
+begin
+ Result := WideIncludeTrailingPathDelimiter(S);
+end;
+
+function WideIncludeTrailingPathDelimiter(const S: WideString): WideString;
+begin
+ Result := S;
+ if not WideIsPathDelimiter(Result, Length(Result)) then Result := Result + PathDelim;
+end;
+
+function WideExcludeTrailingBackslash(const S: WideString): WideString;
+begin
+ Result := WideExcludeTrailingPathDelimiter(S);
+end;
+
+function WideExcludeTrailingPathDelimiter(const S: WideString): WideString;
+begin
+ Result := S;
+ if WideIsPathDelimiter(Result, Length(Result)) then
+ SetLength(Result, Length(Result)-1);
+end;
+
+function WideIsDelimiter(const Delimiters, S: WideString; Index: Integer): Boolean;
+begin
+ Result := False;
+ if (Index <= 0) or (Index > Length(S)) then exit;
+ Result := WStrScan(PWideChar(Delimiters), S[Index]) <> nil;
+end;
+
+function WideIsPathDelimiter(const S: WideString; Index: Integer): Boolean;
+begin
+ Result := (Index > 0) and (Index <= Length(S)) and (S[Index] = PathDelim);
+end;
+
+function WideLastDelimiter(const Delimiters, S: WideString): Integer;
+var
+ P: PWideChar;
+begin
+ Result := Length(S);
+ P := PWideChar(Delimiters);
+ while Result > 0 do
+ begin
+ if (S[Result] <> #0) and (WStrScan(P, S[Result]) <> nil) then
+ Exit;
+ Dec(Result);
+ end;
+end;
+
+function WideChangeFileExt(const FileName, Extension: WideString): WideString;
+var
+ I: Integer;
+begin
+ I := WideLastDelimiter('.\:',Filename);
+ if (I = 0) or (FileName[I] <> '.') then I := MaxInt;
+ Result := Copy(FileName, 1, I - 1) + Extension;
+end;
+
+function WideExtractFilePath(const FileName: WideString): WideString;
+var
+ I: Integer;
+begin
+ I := WideLastDelimiter('\:', FileName);
+ Result := Copy(FileName, 1, I);
+end;
+
+function WideExtractFileDir(const FileName: WideString): WideString;
+var
+ I: Integer;
+begin
+ I := WideLastDelimiter(DriveDelim + PathDelim,Filename);
+ if (I > 1) and (FileName[I] = PathDelim) and
+ (not (FileName[I - 1] in [WideChar(PathDelim), WideChar(DriveDelim)])) then Dec(I);
+ Result := Copy(FileName, 1, I);
+end;
+
+function WideExtractFileDrive(const FileName: WideString): WideString;
+var
+ I, J: Integer;
+begin
+ if (Length(FileName) >= 2) and (FileName[2] = DriveDelim) then
+ Result := Copy(FileName, 1, 2)
+ else if (Length(FileName) >= 2) and (FileName[1] = PathDelim) and
+ (FileName[2] = PathDelim) then
+ begin
+ J := 0;
+ I := 3;
+ While (I < Length(FileName)) and (J < 2) do
+ begin
+ if FileName[I] = PathDelim then Inc(J);
+ if J < 2 then Inc(I);
+ end;
+ if FileName[I] = PathDelim then Dec(I);
+ Result := Copy(FileName, 1, I);
+ end else Result := '';
+end;
+
+function WideExtractFileName(const FileName: WideString): WideString;
+var
+ I: Integer;
+begin
+ I := WideLastDelimiter('\:', FileName);
+ Result := Copy(FileName, I + 1, MaxInt);
+end;
+
+function WideExtractFileExt(const FileName: WideString): WideString;
+var
+ I: Integer;
+begin
+ I := WideLastDelimiter('.\:', FileName);
+ if (I > 0) and (FileName[I] = '.') then
+ Result := Copy(FileName, I, MaxInt) else
+ Result := '';
+end;
+
+function WideExtractRelativePath(const BaseName, DestName: WideString): WideString;
+var
+ BasePath, DestPath: WideString;
+ BaseLead, DestLead: PWideChar;
+ BasePtr, DestPtr: PWideChar;
+
+ function WideExtractFilePathNoDrive(const FileName: WideString): WideString;
+ begin
+ Result := WideExtractFilePath(FileName);
+ Delete(Result, 1, Length(WideExtractFileDrive(FileName)));
+ end;
+
+ function Next(var Lead: PWideChar): PWideChar;
+ begin
+ Result := Lead;
+ if Result = nil then Exit;
+ Lead := WStrScan(Lead, PathDelim);
+ if Lead <> nil then
+ begin
+ Lead^ := #0;
+ Inc(Lead);
+ end;
+ end;
+
+begin
+ if WideSameText(WideExtractFileDrive(BaseName), WideExtractFileDrive(DestName)) then
+ begin
+ BasePath := WideExtractFilePathNoDrive(BaseName);
+ DestPath := WideExtractFilePathNoDrive(DestName);
+ BaseLead := Pointer(BasePath);
+ BasePtr := Next(BaseLead);
+ DestLead := Pointer(DestPath);
+ DestPtr := Next(DestLead);
+ while (BasePtr <> nil) and (DestPtr <> nil) and WideSameText(BasePtr, DestPtr) do
+ begin
+ BasePtr := Next(BaseLead);
+ DestPtr := Next(DestLead);
+ end;
+ Result := '';
+ while BaseLead <> nil do
+ begin
+ Result := Result + '..' + PathDelim; { Do not localize }
+ Next(BaseLead);
+ end;
+ if (DestPtr <> nil) and (DestPtr^ <> #0) then
+ Result := Result + DestPtr + PathDelim;
+ if DestLead <> nil then
+ Result := Result + DestLead; // destlead already has a trailing backslash
+ Result := Result + WideExtractFileName(DestName);
+ end
+ else
+ Result := DestName;
+end;
+
+function WideExpandFileName(const FileName: WideString): WideString;
+var
+ FName: PWideChar;
+ Buffer: array[0..MAX_PATH - 1] of WideChar;
+begin
+ SetString(Result, Buffer, Tnt_GetFullPathNameW(PWideChar(FileName), MAX_PATH, Buffer, FName));
+end;
+
+function WideExtractShortPathName(const FileName: WideString): WideString;
+var
+ Buffer: array[0..MAX_PATH - 1] of WideChar;
+begin
+ SetString(Result, Buffer, Tnt_GetShortPathNameW(PWideChar(FileName), Buffer, MAX_PATH));
+end;
+
+function WideFileCreate(const FileName: WideString): Integer;
+begin
+ Result := Integer(Tnt_CreateFileW(PWideChar(FileName), GENERIC_READ or GENERIC_WRITE,
+ 0, nil, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0))
+end;
+
+function WideFileOpen(const FileName: WideString; Mode: LongWord): Integer;
+const
+ AccessMode: array[0..2] of LongWord = (
+ GENERIC_READ,
+ GENERIC_WRITE,
+ GENERIC_READ or GENERIC_WRITE);
+ ShareMode: array[0..4] of LongWord = (
+ 0,
+ 0,
+ FILE_SHARE_READ,
+ FILE_SHARE_WRITE,
+ FILE_SHARE_READ or FILE_SHARE_WRITE);
+begin
+ Result := Integer(Tnt_CreateFileW(PWideChar(FileName), AccessMode[Mode and 3],
+ ShareMode[(Mode and $F0) shr 4], nil, OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL, 0));
+end;
+
+function WideFileAge(const FileName: WideString): Integer;
+var
+ Handle: THandle;
+ FindData: TWin32FindDataW;
+ LocalFileTime: TFileTime;
+begin
+ Handle := Tnt_FindFirstFileW(PWideChar(FileName), FindData);
+ if Handle <> INVALID_HANDLE_VALUE then
+ begin
+ Windows.FindClose(Handle);
+ if (FindData.dwFileAttributes and FILE_ATTRIBUTE_DIRECTORY) = 0 then
+ begin
+ FileTimeToLocalFileTime(FindData.ftLastWriteTime, LocalFileTime);
+ if FileTimeToDosDateTime(LocalFileTime, LongRec(Result).Hi, LongRec(Result).Lo) then
+ Exit
+ end;
+ end;
+ Result := -1;
+end;
+
+function WideFileAge(const FileName: WideString; out FileDateTime: TDateTime): Boolean;
+var
+ Handle: THandle;
+ FindData: TWin32FindDataW;
+ LSystemTime: TSystemTime;
+ LocalFileTime: TFileTime;
+begin
+ Result := False;
+ Handle := Tnt_FindFirstFileW(PWideChar(FileName), FindData);
+ if Handle <> INVALID_HANDLE_VALUE then
+ begin
+ Windows.FindClose(Handle);
+ if (FindData.dwFileAttributes and FILE_ATTRIBUTE_DIRECTORY) = 0 then
+ begin
+ Result := True;
+ FileTimeToLocalFileTime(FindData.ftLastWriteTime, LocalFileTime);
+ FileTimeToSystemTime(LocalFileTime, LSystemTime);
+ with LSystemTime do
+ FileDateTime := EncodeDate(wYear, wMonth, wDay) +
+ EncodeTime(wHour, wMinute, wSecond, wMilliSeconds);
+ end;
+ end;
+end;
+
+function WideDirectoryExists(const Name: WideString): Boolean;
+var
+ Code: Cardinal;
+begin
+ Code := WideFileGetAttr(Name);
+ Result := (Code <> INVALID_FILE_ATTRIBUTES) and ((FILE_ATTRIBUTE_DIRECTORY and Code) <> 0);
+end;
+
+function WideFileExists(const Name: WideString): Boolean;
+var
+ Code: Cardinal;
+begin
+ Code := WideFileGetAttr(Name);
+ Result := (Code <> INVALID_FILE_ATTRIBUTES) and ((FILE_ATTRIBUTE_DIRECTORY and Code) = 0);
+end;
+
+function WideFileGetAttr(const FileName: WideString): Cardinal;
+begin
+ Result := Tnt_GetFileAttributesW(PWideChar(FileName));
+end;
+
+function WideFileSetAttr(const FileName: WideString; Attr: Integer): Boolean;
+begin
+ Result := Tnt_SetFileAttributesW(PWideChar(FileName), Attr)
+end;
+
+function WideFileIsReadOnly(const FileName: WideString): Boolean;
+begin
+ Result := (Tnt_GetFileAttributesW(PWideChar(FileName)) and faReadOnly) <> 0;
+end;
+
+function WideFileSetReadOnly(const FileName: WideString; ReadOnly: Boolean): Boolean;
+var
+ Flags: Integer;
+begin
+ Result := False;
+ Flags := Tnt_GetFileAttributesW(PWideChar(FileName));
+ if Flags = -1 then Exit;
+ if ReadOnly then
+ Flags := Flags or faReadOnly
+ else
+ Flags := Flags and not faReadOnly;
+ Result := Tnt_SetFileAttributesW(PWideChar(FileName), Flags);
+end;
+
+function WideForceDirectories(Dir: WideString): Boolean;
+begin
+ Result := True;
+ if Length(Dir) = 0 then
+ raise ETntGeneralError.Create(
+ {$IFNDEF FPC} SCannotCreateDir {$ELSE} SCannotCreateEmptyDir {$ENDIF});
+ Dir := WideExcludeTrailingBackslash(Dir);
+ if (Length(Dir) < 3) or WideDirectoryExists(Dir)
+ or (WideExtractFilePath(Dir) = Dir) then Exit; // avoid 'xyz:\' problem.
+ Result := WideForceDirectories(WideExtractFilePath(Dir));
+ if Result then
+ Result := Tnt_CreateDirectoryW(PWideChar(Dir), nil)
+end;
+
+function WideFileSearch(const Name, DirList: WideString): WideString;
+var
+ I, P, L: Integer;
+ C: WideChar;
+begin
+ Result := Name;
+ P := 1;
+ L := Length(DirList);
+ while True do
+ begin
+ if WideFileExists(Result) then Exit;
+ while (P <= L) and (DirList[P] = PathSep) do Inc(P);
+ if P > L then Break;
+ I := P;
+ while (P <= L) and (DirList[P] <> PathSep) do
+ Inc(P);
+ Result := Copy(DirList, I, P - I);
+ C := TntWideLastChar(Result);
+ if (C <> DriveDelim) and (C <> PathDelim) then
+ Result := Result + PathDelim;
+ Result := Result + Name;
+ end;
+ Result := '';
+end;
+
+function WideRenameFile(const OldName, NewName: WideString): Boolean;
+begin
+ Result := Tnt_MoveFileW(PWideChar(OldName), PWideChar(NewName))
+end;
+
+function WideDeleteFile(const FileName: WideString): Boolean;
+begin
+ Result := Tnt_DeleteFileW(PWideChar(FileName))
+end;
+
+function WideCopyFile(const FromFile, ToFile: WideString; FailIfExists: Boolean): Boolean;
+begin
+ Result := Tnt_CopyFileW(PWideChar(FromFile), PWideChar(ToFile), FailIfExists)
+end;
+
+function _WideFindMatchingFile(var F: TSearchRecW): Integer;
+var
+ LocalFileTime: TFileTime;
+begin
+ with F do
+ begin
+ while FindData.dwFileAttributes and ExcludeAttr <> 0 do
+ if not Tnt_FindNextFileW(FindHandle, FindData) then
+ begin
+ Result := GetLastError;
+ Exit;
+ end;
+ FileTimeToLocalFileTime(FindData.ftLastWriteTime, LocalFileTime);
+ FileTimeToDosDateTime(LocalFileTime, LongRec(Time).Hi, LongRec(Time).Lo);
+ Size := (Int64(FindData.nFileSizeHigh) shl 32) + FindData.nFileSizeLow;
+ Attr := FindData.dwFileAttributes;
+ Name := FindData.cFileName;
+ end;
+ Result := 0;
+end;
+
+function WideFindFirst(const Path: WideString; Attr: Integer; var F: TSearchRecW): Integer;
+const
+ faSpecial = faHidden or faSysFile {$IFNDEF COMPILER_9_UP} or faVolumeID {$ENDIF} or faDirectory;
+begin
+ F.ExcludeAttr := not Attr and faSpecial;
+ F.FindHandle := Tnt_FindFirstFileW(PWideChar(Path), F.FindData);
+ if F.FindHandle <> INVALID_HANDLE_VALUE then
+ begin
+ Result := _WideFindMatchingFile(F);
+ if Result <> 0 then WideFindClose(F);
+ end else
+ Result := GetLastError;
+end;
+
+function WideFindNext(var F: TSearchRecW): Integer;
+begin
+ if Tnt_FindNextFileW(F.FindHandle, F.FindData) then
+ Result := _WideFindMatchingFile(F) else
+ Result := GetLastError;
+end;
+
+procedure WideFindClose(var F: TSearchRecW);
+begin
+ if F.FindHandle <> INVALID_HANDLE_VALUE then
+ begin
+ Windows.FindClose(F.FindHandle);
+ F.FindHandle := INVALID_HANDLE_VALUE;
+ end;
+end;
+
+function WideCreateDir(const Dir: WideString): Boolean;
+begin
+ Result := Tnt_CreateDirectoryW(PWideChar(Dir), nil);
+end;
+
+function WideRemoveDir(const Dir: WideString): Boolean;
+begin
+ Result := Tnt_RemoveDirectoryW(PWideChar(Dir));
+end;
+
+function WideGetCurrentDir: WideString;
+begin
+ SetLength(Result, MAX_PATH);
+ Tnt_GetCurrentDirectoryW(MAX_PATH, PWideChar(Result));
+ Result := PWideChar(Result);
+end;
+
+function WideSetCurrentDir(const Dir: WideString): Boolean;
+begin
+ Result := Tnt_SetCurrentDirectoryW(PWideChar(Dir));
+end;
+
+//=============================================================================================
+//== DATE/TIME STRING PARSING ================================================================
+//=============================================================================================
+
+{$IFDEF FPC}
+const
+ VAR_TIMEVALUEONLY = 1;
+ VAR_DATEVALUEONLY = 2;
+{$ENDIF}
+
+function _IntTryStrToDateTime(Str: WideString; Flags: Integer; out DateTime: TDateTime): HResult;
+begin
+ Result := VarDateFromStr(
+ {$IFDEF FPC} POLECHAR(Str) {$ELSE} Str {$ENDIF},
+ GetThreadLocale, Flags, Double(DateTime));
+ if (not Succeeded(Result)) then begin
+ if (Flags = VAR_TIMEVALUEONLY)
+ and SysUtils.TryStrToTime{TNT-ALLOW TryStrToTime}(Str, DateTime) then
+ Result := S_OK // SysUtils seems confident (works for date = "dd.MM.yy" and time = "H.mm.ss")
+ else if (Flags = VAR_DATEVALUEONLY)
+ and SysUtils.TryStrToDate{TNT-ALLOW TryStrToDate}(Str, DateTime) then
+ Result := S_OK // SysUtils seems confident
+ else if (Flags = 0)
+ and SysUtils.TryStrToDateTime{TNT-ALLOW TryStrToDateTime}(Str, DateTime) then
+ Result := S_OK // SysUtils seems confident
+ end;
+end;
+
+function TntTryStrToDateTime(Str: WideString; out DateTime: TDateTime): Boolean;
+begin
+ Result := Succeeded(_IntTryStrToDateTime(Str, 0, DateTime));
+end;
+
+function TntTryStrToDate(Str: WideString; out DateTime: TDateTime): Boolean;
+begin
+ Result := Succeeded(_IntTryStrToDateTime(Str, VAR_DATEVALUEONLY, DateTime));
+end;
+
+function TntTryStrToTime(Str: WideString; out DateTime: TDateTime): Boolean;
+begin
+ Result := Succeeded(_IntTryStrToDateTime(Str, VAR_TIMEVALUEONLY, DateTime));
+end;
+
+function ValidDateTimeStr(Str: WideString): Boolean;
+var
+ Temp: TDateTime;
+begin
+ Result := Succeeded(_IntTryStrToDateTime(Str, 0, Temp));
+end;
+
+function ValidDateStr(Str: WideString): Boolean;
+var
+ Temp: TDateTime;
+begin
+ Result := Succeeded(_IntTryStrToDateTime(Str, VAR_DATEVALUEONLY, Temp));
+end;
+
+function ValidTimeStr(Str: WideString): Boolean;
+var
+ Temp: TDateTime;
+begin
+ Result := Succeeded(_IntTryStrToDateTime(Str, VAR_TIMEVALUEONLY, Temp));
+end;
+
+function TntStrToDateTimeDef(Str: WideString; Default: TDateTime): TDateTime;
+begin
+ if not TntTryStrToDateTime(Str, Result) then
+ Result := Default;
+end;
+
+function TntStrToDateDef(Str: WideString; Default: TDateTime): TDateTime;
+begin
+ if not TntTryStrToDate(Str, Result) then
+ Result := Default;
+end;
+
+function TntStrToTimeDef(Str: WideString; Default: TDateTime): TDateTime;
+begin
+ if not TntTryStrToTime(Str, Result) then
+ Result := Default;
+end;
+
+function _IntStrToDateTime(Str: WideString; Flags: Integer; ErrorFormatStr: WideString): TDateTime;
+begin
+ try
+ OleCheck(_IntTryStrToDateTime(Str, Flags, Result));
+ except
+ on E: Exception do begin
+ E.Message := E.Message + CRLF + WideFormat(ErrorFormatStr, [Str]);
+ raise EConvertError.Create(E.Message);
+ end;
+ end;
+end;
+
+function TntStrToDateTime(Str: WideString): TDateTime;
+begin
+ Result := _IntStrToDateTime(Str, 0, SInvalidDateTime);
+end;
+
+function TntStrToDate(Str: WideString): TDateTime;
+begin
+ Result := _IntStrToDateTime(Str, VAR_DATEVALUEONLY,
+ {$IFNDEF FPC} SInvalidDate {$ELSE} SInvalidDateTime {$ENDIF});
+end;
+
+function TntStrToTime(Str: WideString): TDateTime;
+begin
+ Result := _IntStrToDateTime(Str, VAR_TIMEVALUEONLY,
+ {$IFNDEF FPC} SInvalidTime {$ELSE} SInvalidDateTime {$ENDIF});
+end;
+
+//=============================================================================================
+//== CURRENCY STRING PARSING =================================================================
+//=============================================================================================
+
+function TntCurrToStr(Value: Currency; lpFormat: PCurrencyFmtW = nil): WideString;
+const
+ MAX_BUFF_SIZE = 64; // can a currency string actually be larger?
+var
+ ValueStr: WideString;
+begin
+ // format lpValue using ENG-US settings
+ ValueStr := ENG_US_FloatToStr(Value);
+ // get currency format
+ SetLength(Result, MAX_BUFF_SIZE);
+ if 0 = Tnt_GetCurrencyFormatW(GetThreadLocale, 0, PWideChar(ValueStr),
+ lpFormat, PWideChar(Result), Length(Result))
+ then begin
+ RaiseLastOSError;
+ end;
+ Result := PWideChar(Result);
+end;
+
+function TntStrToCurr(const S: WideString): Currency;
+begin
+ try
+ OleCheck(VarCyFromStr(
+ {$IFDEF FPC} POLECHAR(S) {$ELSE} S {$ENDIF},
+ GetThreadLocale, 0, Result));
+ except
+ on E: Exception do begin
+ E.Message := E.Message + CRLF + WideFormat(SInvalidCurrency, [S]);
+ raise EConvertError.Create(E.Message);
+ end;
+ end;
+end;
+
+function ValidCurrencyStr(const S: WideString): Boolean;
+var
+ Dummy: Currency;
+begin
+ Result := Succeeded(VarCyFromStr(
+ {$IFDEF FPC} POLECHAR(S) {$ELSE} S {$ENDIF},
+ GetThreadLocale, 0, Dummy));
+end;
+
+function TntStrToCurrDef(const S: WideString; const Default: Currency): Currency;
+begin
+ if not Succeeded(VarCyFromStr(
+ {$IFDEF FPC} POLECHAR(S) {$ELSE} S {$ENDIF},
+ GetThreadLocale, 0, Result)) then
+ Result := Default;
+end;
+
+threadvar
+ Currency_DecimalSep: WideString;
+ Currency_ThousandSep: WideString;
+ Currency_CurrencySymbol: WideString;
+
+function GetDefaultCurrencyFmt: TCurrencyFmtW;
+begin
+ ZeroMemory(@Result, SizeOf(Result));
+ Result.NumDigits := StrToIntDef(WideGetLocaleStr(GetThreadLocale, LOCALE_ICURRDIGITS, '2'), 2);
+ Result.LeadingZero := StrToIntDef(WideGetLocaleStr(GetThreadLocale, LOCALE_ILZERO, '1'), 1);
+ Result.Grouping := StrToIntDef(Copy(WideGetLocaleStr(GetThreadLocale, LOCALE_SMONGROUPING, '3;0'), 1, 1), 3);
+ Currency_DecimalSep := WideGetLocaleStr(GetThreadLocale, LOCALE_SMONDECIMALSEP, '.');
+ Result.lpDecimalSep := {$IFNDEF FPC} PWideChar(Currency_DecimalSep)
+ {$ELSE} LPTSTR(PWideChar(Currency_DecimalSep)) {$ENDIF};
+ Currency_ThousandSep := WideGetLocaleStr(GetThreadLocale, LOCALE_SMONTHOUSANDSEP, ',');
+ Result.lpThousandSep := {$IFNDEF FPC} PWideChar(Currency_ThousandSep)
+ {$ELSE} LPTSTR(PWideChar(Currency_ThousandSep)) {$ENDIF};
+ Result.NegativeOrder := StrToIntDef(WideGetLocaleStr(GetThreadLocale, LOCALE_INEGCURR, '0'), 0);
+ Result.PositiveOrder := StrToIntDef(WideGetLocaleStr(GetThreadLocale, LOCALE_ICURRENCY, '0'), 0);
+ Currency_CurrencySymbol := WideGetLocaleStr(GetThreadLocale, LOCALE_SCURRENCY, '');
+ Result.lpCurrencySymbol := {$IFNDEF FPC} PWideChar(Currency_CurrencySymbol)
+ {$ELSE} LPTSTR(PWideChar(Currency_CurrencySymbol)) {$ENDIF};
+end;
+
+//=============================================================================================
+
+{$IFDEF FPC}
+function GetLocaleStr(Locale, LocaleType: Integer; const Default: string): string;
+var
+ L: Integer;
+ Buffer: array[0..255] of Char;
+begin
+ L := GetLocaleInfo(Locale, LocaleType, Buffer, SizeOf(Buffer));
+ if L > 0 then SetString(Result, Buffer, L - 1) else Result := Default;
+end;
+{$ENDIF}
+
+function WideGetLocaleStr(LocaleID: LCID; LocaleType: Integer; const Default: WideString): WideString;
+var
+ L: Integer;
+begin
+ if (not Win32PlatformIsUnicode) then
+ Result := GetLocaleStr{TNT-ALLOW GetLocaleStr}(LocaleID, LocaleType, Default)
+ else begin
+ SetLength(Result, 255);
+ L := GetLocaleInfoW(LocaleID, LocaleType, PWideChar(Result), Length(Result));
+ if L > 0 then
+ SetLength(Result, L - 1)
+ else
+ Result := Default;
+ end;
+end;
+
+function WideSysErrorMessage(ErrorCode: Integer): WideString;
+begin
+ Result := WideLibraryErrorMessage('system', 0, ErrorCode);
+end;
+
+function WideLibraryErrorMessage(const LibName: WideString; Dll: THandle; ErrorCode: Integer): WideString;
+var
+ Len: Integer;
+ AnsiResult: AnsiString;
+ Flags: Cardinal;
+begin
+ Flags := FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_IGNORE_INSERTS or FORMAT_MESSAGE_ARGUMENT_ARRAY;
+ if Dll <> 0 then
+ Flags := Flags or FORMAT_MESSAGE_FROM_HMODULE;
+ if Win32PlatformIsUnicode then begin
+ SetLength(Result, 256);
+ Len := FormatMessageW(Flags, Pointer(Dll), ErrorCode, 0, PWideChar(Result), Length(Result), nil);
+ SetLength(Result, Len);
+ end else begin
+ SetLength(AnsiResult, 256);
+ Len := FormatMessageA(Flags, Pointer(Dll), ErrorCode, 0, PAnsiChar(AnsiResult), Length(AnsiResult), nil);
+ SetLength(AnsiResult, Len);
+ Result := AnsiResult;
+ end;
+ if Trim(Result) = '' then
+ Result := WideFormat('Unspecified error (%d) from %s.', [ErrorCode, LibName]);
+end;
+
+{$IFNDEF COMPILER_7_UP}
+function CheckWin32Version(AMajor: Integer; AMinor: Integer = 0): Boolean;
+begin
+ Result := (Win32MajorVersion > AMajor) or
+ ((Win32MajorVersion = AMajor) and
+ (Win32MinorVersion >= AMinor));
+end;
+{$ENDIF}
+
+function WinCheckH(RetVal: Cardinal): Cardinal;
+begin
+ if RetVal = 0 then RaiseLastOSError;
+ Result := RetVal;
+end;
+
+function WinCheckFileH(RetVal: Cardinal): Cardinal;
+begin
+ if RetVal = INVALID_HANDLE_VALUE then RaiseLastOSError;
+ Result := RetVal;
+end;
+
+function WinCheckP(RetVal: Pointer): Pointer;
+begin
+ if RetVal = nil then RaiseLastOSError;
+ Result := RetVal;
+end;
+
+function WideGetModuleFileName(Instance: HModule): WideString;
+begin
+ SetLength(Result, MAX_PATH);
+ WinCheckH(Tnt_GetModuleFileNameW(Instance, PWideChar(Result), Length(Result)));
+ Result := PWideChar(Result)
+end;
+
+function WideSafeLoadLibrary(const Filename: Widestring; ErrorMode: UINT): HMODULE;
+var
+ OldMode: UINT;
+ FPUControlWord: Word;
+begin
+ OldMode := SetErrorMode(ErrorMode);
+ try
+ asm
+ FNSTCW FPUControlWord
+ end;
+ try
+ Result := Tnt_LoadLibraryW(PWideChar(Filename));
+ finally
+ asm
+ FNCLEX
+ FLDCW FPUControlWord
+ end;
+ end;
+ finally
+ SetErrorMode(OldMode);
+ end;
+end;
+
+{$IFNDEF FPC}
+function WideLoadPackage(const Name: Widestring): HMODULE;
+begin
+ Result := WideSafeLoadLibrary(Name);
+ if Result = 0 then
+ begin
+ raise EPackageError.CreateFmt(sErrorLoadingPackage, [Name, WideSysErrorMessage(GetLastError)]);
+ end;
+ try
+ InitializePackage(Result);
+ except
+ FreeLibrary(Result);
+ raise;
+ end;
+end;
+{$ENDIF}
+
+function _WideCharType(WC: WideChar; dwInfoType: Cardinal): Word;
+begin
+ Win32Check(Tnt_GetStringTypeExW(GetThreadLocale, dwInfoType, PWideChar(@WC), 1, Result))
+end;
+
+function IsWideCharUpper(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_UPPER) <> 0;
+end;
+
+function IsWideCharLower(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_LOWER) <> 0;
+end;
+
+function IsWideCharDigit(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_DIGIT) <> 0;
+end;
+
+function IsWideCharSpace(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_SPACE) <> 0;
+end;
+
+function IsWideCharPunct(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_PUNCT) <> 0;
+end;
+
+function IsWideCharCntrl(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_CNTRL) <> 0;
+end;
+
+function IsWideCharBlank(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_BLANK) <> 0;
+end;
+
+function IsWideCharXDigit(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_XDIGIT) <> 0;
+end;
+
+function IsWideCharAlpha(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and C1_ALPHA) <> 0;
+end;
+
+function IsWideCharAlphaNumeric(WC: WideChar): Boolean;
+begin
+ Result := (_WideCharType(WC, CT_CTYPE1) and (C1_ALPHA + C1_DIGIT)) <> 0;
+end;
+
+function WideTextPos(const SubStr, S: WideString): Integer;
+begin
+ Result := Pos(Tnt_WideUpperCase(SubStr), Tnt_WideUpperCase(S));
+end;
+
+function FindDoubleTerminator(P: PWideChar): PWideChar;
+begin
+ Result := P;
+ while True do begin
+ Result := WStrScan(Result, #0);
+ Inc(Result);
+ if Result^ = #0 then begin
+ Dec(Result);
+ break;
+ end;
+ end;
+end;
+
+function ExtractStringArrayStr(P: PWideChar): WideString;
+var
+ PEnd: PWideChar;
+begin
+ PEnd := FindDoubleTerminator(P);
+ Inc(PEnd, 2); // move past #0#0
+ SetString(Result, P, PEnd - P);
+end;
+
+function ExtractStringFromStringArray(var P: PWideChar; Separator: WideChar = #0): WideString;
+var
+ Start: PWideChar;
+begin
+ Start := P;
+ P := WStrScan(Start, Separator);
+ if P = nil then begin
+ Result := Start;
+ P := WStrEnd(Start);
+ end else begin
+ SetString(Result, Start, P - Start);
+ Inc(P);
+ end;
+end;
+
+function ExtractStringsFromStringArray(P: PWideChar; Separator: WideChar = #0): TWideStringDynArray;
+const
+ GROW_COUNT = 256;
+var
+ Count: Integer;
+ Item: WideString;
+begin
+ Count := 0;
+ SetLength(Result, GROW_COUNT);
+ Item := ExtractStringFromStringArray(P, Separator);
+ While Item <> '' do begin
+ if Count > High(Result) then
+ SetLength(Result, Length(Result) + GROW_COUNT);
+ Result[Count] := Item;
+ Inc(Count);
+ Item := ExtractStringFromStringArray(P, Separator);
+ end;
+ SetLength(Result, Count);
+end;
+
+function IsWideCharMappableToAnsi(const WC: WideChar): Boolean;
+var
+ UsedDefaultChar: BOOL;
+begin
+ WideCharToMultiByte(DefaultSystemCodePage, 0, PWideChar(@WC), 1, nil, 0, nil, @UsedDefaultChar);
+ Result := not UsedDefaultChar;
+end;
+
+function IsWideStringMappableToAnsi(const WS: WideString): Boolean;
+var
+ UsedDefaultChar: BOOL;
+begin
+ WideCharToMultiByte(DefaultSystemCodePage, 0, PWideChar(WS), Length(WS), nil, 0, nil, @UsedDefaultChar);
+ Result := not UsedDefaultChar;
+end;
+
+function IsRTF(const Value: WideString): Boolean;
+const
+ RTF_BEGIN_1 = WideString('{\RTF');
+ RTF_BEGIN_2 = WideString('{URTF');
+begin
+ Result := (WideTextPos(RTF_BEGIN_1, Value) = 1)
+ or (WideTextPos(RTF_BEGIN_2, Value) = 1);
+end;
+
+{$IFDEF COMPILER_7_UP}
+var
+ Cached_ENG_US_FormatSettings: TFormatSettings;
+ Cached_ENG_US_FormatSettings_Time: Cardinal;
+
+function ENG_US_FormatSettings: TFormatSettings;
+begin
+ if Cached_ENG_US_FormatSettings_Time = _SettingChangeTime then
+ Result := Cached_ENG_US_FormatSettings
+ else begin
+ GetLocaleFormatSettings(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US)), Result);
+ Result.DecimalSeparator := '.'; // ignore overrides
+ Cached_ENG_US_FormatSettings := Result;
+ Cached_ENG_US_FormatSettings_Time := _SettingChangeTime;
+ end;
+ end;
+
+function ENG_US_FloatToStr(Value: Extended): WideString;
+begin
+ Result := FloatToStr(Value, ENG_US_FormatSettings);
+end;
+
+function ENG_US_StrToFloat(const S: WideString): Extended;
+begin
+ if not TextToFloat(PAnsiChar(AnsiString(S)), Result, fvExtended, ENG_US_FormatSettings) then
+ Result := StrToFloat(S); // try using native format
+end;
+
+{$ELSE}
+
+function ENG_US_FloatToStr(Value: Extended): WideString;
+var
+ SaveDecimalSep: AnsiChar;
+begin
+ SaveDecimalSep := SysUtils.DecimalSeparator;
+ try
+ SysUtils.DecimalSeparator := '.';
+ Result := FloatToStr(Value);
+ finally
+ SysUtils.DecimalSeparator := SaveDecimalSep;
+ end;
+end;
+
+function ENG_US_StrToFloat(const S: WideString): Extended;
+var
+ SaveDecimalSep: AnsiChar;
+begin
+ try
+ SaveDecimalSep := SysUtils.DecimalSeparator;
+ try
+ SysUtils.DecimalSeparator := '.';
+ Result := StrToFloat(S);
+ finally
+ SysUtils.DecimalSeparator := SaveDecimalSep;
+ end;
+ except
+ if SysUtils.DecimalSeparator <> '.' then
+ Result := StrToFloat(S) // try using native format
+ else
+ raise;
+ end;
+end;
+{$ENDIF}
+
+//---------------------------------------------------------------------------------------------
+// Tnt - Variants
+//---------------------------------------------------------------------------------------------
+
+initialization
+ Win32PlatformIsUnicode := (Win32Platform = VER_PLATFORM_WIN32_NT);
+ Win32PlatformIsXP := ((Win32MajorVersion = 5) and (Win32MinorVersion >= 1))
+ or (Win32MajorVersion > 5);
+ Win32PlatformIs2003 := ((Win32MajorVersion = 5) and (Win32MinorVersion >= 2))
+ or (Win32MajorVersion > 5);
+ Win32PlatformIsVista := (Win32MajorVersion >= 6);
+
+finalization
+ Currency_DecimalSep := ''; {make memory sleuth happy}
+ Currency_ThousandSep := ''; {make memory sleuth happy}
+ Currency_CurrencySymbol := ''; {make memory sleuth happy}
+
+end.