diff options
Diffstat (limited to 'src/lib/TntUnicodeControls/TntSysUtils.pas')
| -rw-r--r-- | src/lib/TntUnicodeControls/TntSysUtils.pas | 1753 |
1 files changed, 1753 insertions, 0 deletions
diff --git a/src/lib/TntUnicodeControls/TntSysUtils.pas b/src/lib/TntUnicodeControls/TntSysUtils.pas new file mode 100644 index 00000000..b7cf2467 --- /dev/null +++ b/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. |