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361 lines
20 KiB
PHP
361 lines
20 KiB
PHP
{%MainUnit sysutils.pp}
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{
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*********************************************************************
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Copyright (C) 1997, 1998 Gertjan Schouten
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************
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System Utilities For Free Pascal
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}
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{==============================================================================}
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{ standard functions }
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{==============================================================================}
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type
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PString = ObjPas.PString;
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TLocaleOptions = (loInvariantLocale, loUserLocale);
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{ For FloatToText }
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TFloatFormat = (ffGeneral, ffExponent, ffFixed, ffNumber, ffCurrency);
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TFloatValue = (fvExtended, fvCurrency, fvSingle, fvReal, fvDouble, fvComp);
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TReplaceFlags = set of (rfReplaceAll, rfIgnoreCase);
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TFloatRec = Record
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Exponent: Integer;
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Negative: Boolean;
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Digits: Array[0..18] Of AnsiChar;
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End;
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const
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{ For floattodatetime and VariantToDate }
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{$ifndef FPUNONE}
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MinDateTime: TDateTime = -693593.99999999; { 01/01/0001 12:00:00.000 AM }
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MaxDateTime: TDateTime = 2958465.99999999; { 12/31/9999 11:59:59.999 PM }
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{$if defined(FPC_HAS_TYPE_EXTENDED) or defined(FPC_HAS_TYPE_FLOAT128)}
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MinCurrency: Currency = -922337203685477.5808;
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MaxCurrency: Currency = 922337203685477.5807;
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{$else}
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MinCurrency: Currency = -922337203685477.0000;
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MaxCurrency: Currency = 922337203685477.0000;
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{$endif}
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{$else}
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MinCurrency: Currency = -922337203685477;
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MaxCurrency: Currency = 922337203685477;
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{$endif}
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Const
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LeadBytes: set of AnsiChar = [];
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EmptyStr : string = '';
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NullStr : PString = @EmptyStr;
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EmptyWideStr : WideString = '';
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// NullWideStr : PWideString = @EmptyWideStr;
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Var TrueBoolStrs,
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FalseBoolStrs : Array of String;
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// declaring this breaks delphi compatibility and e.g. tw3721.pp
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// function NewStr(Const S: ShortString): PShortString; overload;
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function NewStr(const S: string): PString; overload;
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procedure DisposeStr(S: PString); overload;
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procedure DisposeStr(S: PShortString); overload;
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procedure AssignStr(var P: PString; const S: string); {$ifdef SYSUTILSINLINE}inline;{$endif}
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procedure AppendStr(var Dest: String; const S: string);{$ifdef SYSUTILSINLINE}inline;{$endif}
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function UpperCase(const s: ansistring): ansistring; overload;
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function UpperCase(const s: ansistring; LocaleOptions: TLocaleOptions): ansistring; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function LowerCase(const s: ansistring): ansistring; overload;
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function LowerCase(const s: ansistring; LocaleOptions: TLocaleOptions): ansistring; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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{ the compiler can't decide else if it should use the AnsiChar or the ansistring
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version for a variant }
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function LowerCase(const V: variant): string; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function CompareStr(const S1, S2: string): Integer; overload;
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function CompareStr(const S1, S2: string; LocaleOptions: TLocaleOptions): Integer; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function CompareMemRange(P1, P2: Pointer; Length: PtrUInt): integer;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function CompareMem(P1, P2: Pointer; Length: PtrUInt): Boolean;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function CompareText(const S1, S2: string): Integer; overload;
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function CompareText(const S1, S2: string; LocaleOptions: TLocaleOptions): Integer; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function SameText(const s1,s2:String):Boolean; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function SameText(const s1,s2:String; LocaleOptions: TLocaleOptions):Boolean; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function SameStr(const s1,s2:String):Boolean; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function SameStr(const s1,s2:String; LocaleOptions: TLocaleOptions):Boolean; overload;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiUpperCase(const s: string): string;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiLowerCase(const s: string): string;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiCompareStr(const S1, S2: string): Integer;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiCompareText(const S1, S2: string): Integer;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiSameText(const s1,s2:String):Boolean;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiSameStr(const s1,s2:String):Boolean;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiStrComp(S1, S2: PAnsiChar): Integer;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiStrIComp(S1, S2: PAnsiChar): Integer;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiStrLComp(S1, S2: PAnsiChar; MaxLen: SizeUInt): Integer;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiStrLIComp(S1, S2: PAnsiChar; MaxLen: SizeUInt): Integer;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiStrLower(Str: PAnsiChar): PAnsiChar;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiStrUpper(Str: PAnsiChar): PAnsiChar;{$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiLastChar(const S: AnsiString): PAnsiChar;
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function AnsiLastChar(const S: UnicodeString): PWideChar;
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function AnsiStrLastChar(Str: PAnsiChar): PAnsiChar;
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function Trim(const S: ansistring): ansistring; {$ifdef SYSUTILSINLINE}inline;{$endif}
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function TrimLeft(const S: ansistring): ansistring; {$ifdef SYSUTILSINLINE}inline;{$endif}
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function TrimRight(const S: ansistring): ansistring; {$ifdef SYSUTILSINLINE}inline;{$endif}
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function QuotedStr(const S: string): string; {$ifdef SYSUTILSINLINE}inline;{$endif}
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function AnsiQuotedStr(const S: string; Quote: Char): string;
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function AnsiDequotedStr(const S: string; AQuote: Char): string;
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function AnsiExtractQuotedStr(var Src: PAnsiChar; Quote: AnsiChar): Ansistring;
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function AnsiExtractQuotedStr(var Src: PWideChar; Quote: WideChar): Widestring;
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function AnsiExtractQuotedStr(var Src: PWideChar; Quote: AnsiChar): Widestring;
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function AdjustLineBreaks(const S: string): string;
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function AdjustLineBreaks(const S: string; Style: TTextLineBreakStyle): string;
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function IsValidIdent(const Ident: string; AllowDots: Boolean = False; StrictDots: Boolean = False): Boolean;
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function IntToStr(Value: Longint): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToStr(Value: Int64): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToStr(Value: QWord): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function UIntToStr(Value: QWord): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function UIntToStr(Value: Cardinal): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: Longint; Digits: integer): string;
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function IntToHex(Value: Int64; Digits: integer): string;
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function IntToHex(Value: QWord; Digits: integer): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: Int8): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: UInt8): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: Int16): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: UInt16): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: Int32): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: UInt32): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: Int64): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function IntToHex(Value: UInt64): string; {$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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function StrToInt(const s: string): Longint;
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function StrToDWord(const s: string): DWord;
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function StrToUInt(const s: string): Cardinal;
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function StrToInt64(const s: string): int64;
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function StrToQWord(const s: string): QWord;
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function StrToUInt64(const s: string): UInt64; inline;
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function TryStrToInt(const s: string; Out i : Longint) : boolean;
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function TryStrToDWord(const s: string; Out D : DWord) : boolean;
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function TryStrToUInt(const s: string; out C: Cardinal): Boolean;
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function TryStrToInt64(const s: string; Out i : int64) : boolean;
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function TryStrToQWord(const s: string; Out Q : QWord) : boolean;
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function TryStrToUInt64(const s: string; Out u : UInt64) : boolean; inline;
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function StrToIntDef(const S: string; Default: Longint): Longint;
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function StrToDWordDef(const S: string; Default: DWord): DWord;
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function StrToUIntDef(const S: string; Default: Cardinal): Cardinal;
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function StrToInt64Def(const S: string; Default: int64): int64;
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function StrToQWordDef(const S: string; Default: QWord): QWord;
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function StrToUInt64Def(const S: string; Default: UInt64): UInt64; inline;
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function LoadStr(Ident: integer): string;{$ifdef SYSUTILSINLINE}inline;{$ENDIF}
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// function FmtLoadStr(Ident: integer; const Args: array of const): string;
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Function Format (Const Fmt : AnsiString; const Args : Array of const) : AnsiString;
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Function Format (Const Fmt : Ansistring; const Args: array of const; const FormatSettings: TFormatSettings): Ansistring;
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Function FormatBuf (Var Buffer; BufLen : Cardinal; Const Fmt; fmtLen : Cardinal; Const Args : Array of const) : Cardinal;
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Function FormatBuf (Var Buffer; BufLen : Cardinal; Const Fmt; fmtLen : Cardinal; Const Args : Array of const; Const FormatSettings: TFormatSettings) : Cardinal;
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Function StrFmt(Buffer,Fmt : PChar; Const args: Array of const) : PChar;
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Function StrFmt(Buffer,Fmt : PChar; Const Args: Array of const; Const FormatSettings: TFormatSettings): PChar;
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Function StrLFmt(Buffer : PChar; Maxlen : Cardinal;Fmt : PChar; Const args: Array of const) : PChar;
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Function StrLFmt(Buffer : PChar; Maxlen : Cardinal;Fmt : PChar; Const args: Array of const; Const FormatSettings: TFormatSettings) : PChar;
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Procedure FmtStr(Var Res: String; Const Fmt : String; Const args: Array of const);
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Procedure FmtStr(Var Res: string; const Fmt : string; Const args: Array of const; Const FormatSettings: TFormatSettings);
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{$ifndef FPUNONE}
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{$ifdef FPC_HAS_TYPE_EXTENDED}
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Function FloatToStrF(Value: Extended; format: TFloatFormat; Precision, Digits: Integer): String;
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Function FloatToStrF(Value: Extended; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): String;
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{$endif FPC_HAS_TYPE_EXTENDED}
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Function FloatToStrF(Value: Double; format: TFloatFormat; Precision, Digits: Integer): String;
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Function FloatToStrF(Value: Double; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): String;
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Function FloatToStrF(Value: Single; format: TFloatFormat; Precision, Digits: Integer): String;
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Function FloatToStrF(Value: Single; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): String;
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Function FloatToStrF(Value: Comp; format: TFloatFormat; Precision, Digits: Integer): String;
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Function FloatToStrF(Value: Comp; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): String;
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Function FloatToStrF(Value: Currency; format: TFloatFormat; Precision, Digits: Integer): String;
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Function FloatToStrF(Value: Currency; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): String;
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{$ifndef FPC_COMP_IS_INT64}
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Function FloatToStrF(Value: Int64; format: TFloatFormat; Precision, Digits: Integer): String;
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Function FloatToStrF(Value: Int64; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): String;
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{$endif FPC_COMP_IS_INT64}
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Function CurrToStrF(Value: Currency; Format: TFloatFormat; Digits: Integer): string;
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Function CurrToStrF(Value: Currency; Format: TFloatFormat; Digits: Integer; Const FormatSettings: TFormatSettings): string;
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{$ifdef FPC_HAS_TYPE_EXTENDED}
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Function FloatToStr(Value: Extended): String;
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Function FloatToStr(Value: Extended; Const FormatSettings: TFormatSettings): String;
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{$endif FPC_HAS_TYPE_EXTENDED}
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Function FloatToStr(Value: Double): String;
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Function FloatToStr(Value: Double; Const FormatSettings: TFormatSettings): String;
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Function FloatToStr(Value: Single): String;
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Function FloatToStr(Value: Single; Const FormatSettings: TFormatSettings): String;
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Function FloatToStr(Value: Currency): String;
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Function FloatToStr(Value: Currency; Const FormatSettings: TFormatSettings): String;
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Function FloatToStr(Value: Comp): String;
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Function FloatToStr(Value: Comp; Const FormatSettings: TFormatSettings): String;
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{$ifndef FPC_COMP_IS_INT64}
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Function FloatToStr(Value: Int64): String;
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Function FloatToStr(Value: Int64; Const FormatSettings: TFormatSettings): String;
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{$endif FPC_COMP_IS_INT64}
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Function StrToFloat(Const S : String) : Extended;
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Function StrToFloat(Const S : String; Const FormatSettings: TFormatSettings) : Extended;
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Function StrToFloatDef(Const S: String; Const Default: Extended): Extended;
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Function StrToFloatDef(Const S: String; Const Default: Extended; Const FormatSettings: TFormatSettings): Extended;
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Function TryStrToFloat(Const S : String; Out Value: Single): Boolean;
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Function TryStrToFloat(Const S : String; Out Value: Single; Const FormatSettings: TFormatSettings): Boolean;
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Function TryStrToFloat(Const S : String; Out Value: Double): Boolean;
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Function TryStrToFloat(Const S : String; Out Value: Double; Const FormatSettings: TFormatSettings): Boolean;
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{$ifdef FPC_HAS_TYPE_EXTENDED}
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Function TryStrToFloat(Const S : String; Out Value: Extended): Boolean;
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Function TryStrToFloat(Const S : String; Out Value: Extended; Const FormatSettings: TFormatSettings): Boolean;
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{$endif FPC_HAS_TYPE_EXTENDED}
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Function TextToFloat(Buffer: PChar; Out Value: Extended): Boolean;
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Function TextToFloat(Buffer: PChar; Out Value: Extended; Const FormatSettings: TFormatSettings): Boolean;
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Function TextToFloat(Buffer: PChar; Out Value; ValueType: TFloatValue): Boolean;
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Function TextToFloat(Buffer: PChar; Out Value; ValueType: TFloatValue; Const FormatSettings: TFormatSettings): Boolean;
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{$IF SIZEOF(CHAR)=2}
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Function TextToFloat(Buffer: PAnsiChar; Out Value; ValueType: TFloatValue): Boolean;
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Function TextToFloat(Buffer: PAnsiChar; Out Value; ValueType: TFloatValue; Const FormatSettings: TFormatSettings): Boolean;
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{$ENDIF}
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Function FloatToText(Buffer: PWideChar; Value: Extended; format: TFloatFormat; Precision, Digits: Integer): Longint;
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Function FloatToText(Buffer: PWideChar; Value: Extended; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): Longint;
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Function FloatToText(Buffer: PAnsiChar; Value: Extended; format: TFloatFormat; Precision, Digits: Integer): Longint;
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Function FloatToText(Buffer: PAnsiChar; Value: Extended; format: TFloatFormat; Precision, Digits: Integer; Const FormatSettings: TFormatSettings): Longint;
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Function FloatToDateTime (Const Value : Extended) : TDateTime;
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Function FloatToCurr (Const Value : Extended) : Currency;
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function TryFloatToCurr(const Value: Extended; var AResult: Currency): Boolean;
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Function CurrToStr(Value: Currency): string;
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Function CurrToStr(Value: Currency; Const FormatSettings: TFormatSettings): string;
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function StrToCurr(const S: string): Currency;
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function StrToCurr(const S: string; Const FormatSettings: TFormatSettings): Currency;
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function TryStrToCurr(const S: string;Out Value : Currency): Boolean;
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function TryStrToCurr(const S: string;Out Value : Currency; Const FormatSettings: TFormatSettings): Boolean;
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function StrToCurrDef(const S: string; Default : Currency): Currency;
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function StrToCurrDef(const S: string; Default : Currency; Const FormatSettings: TFormatSettings): Currency;
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Function FloatToTextFmt(Buffer: PChar; Value: Extended; format: PChar; const FormatSettings : TFormatSettings): Integer;
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Function FloatToTextFmt(Buffer: PChar; Value: Extended; format: PChar): Integer;
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Procedure FloatToDecimal(Out Result: TFloatRec; const Value; ValueType: TFloatValue; Precision, Decimals : integer);
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Procedure FloatToDecimal(Out Result: TFloatRec; Value: Extended; Precision, Decimals : integer);
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Function FormatFloat(Const Format : String; Value : Extended) : String;
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Function FormatFloat(Const Format : String; Value : Extended; Const FormatSettings: TFormatSettings) : String;
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function FormatCurr(const Format: string; Value: Currency): string;
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Function FormatCurr(const Format: string; Value: Currency; Const FormatSettings: TFormatSettings): string;
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{$endif}
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function StrToBool(const S: string): Boolean;
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function StrToBool(const S: string; Const FormatSettings: TFormatSettings): Boolean;
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function BoolToStr(B: Boolean;UseBoolStrs:Boolean=False): string;
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function BoolToStr(B: Boolean;const TrueS,FalseS:string): string; inline;
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function StrToBoolDef(const S: string; Default: Boolean): Boolean;
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function StrToBoolDef(const S: string; Default: Boolean; Const FormatSettings: TFormatSettings): Boolean;
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function TryStrToBool(const S: string; out Value: Boolean): Boolean;
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function TryStrToBool(const S: string; out Value: Boolean; Const FormatSettings: TFormatSettings): Boolean;
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function LastDelimiter(const Delimiters, S: string): SizeInt;
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function StringReplace(const S, OldPattern, NewPattern: Ansistring; Flags: TReplaceFlags; Out aCount : Integer): ansistring;
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function StringReplace(const S, OldPattern, NewPattern: Ansistring; Flags: TReplaceFlags): ansistring;
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Function IsDelimiter(const Delimiters, S: string; Index: SizeInt): Boolean;
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function SScanf(const s: string; const fmt : string;const Pointers : array of Pointer) : Integer;
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{// MBCS Functions. No MBCS yet, so mostly these are calls to the regular counterparts.}
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Type
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TMbcsByteType = (mbSingleByte, mbLeadByte, mbTrailByte);
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Function ByteType(const S: string; Index: SizeUInt): TMbcsByteType;
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Function StrByteType(Str: PAnsiChar; Index: SizeUInt): TMbcsByteType;
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Function ByteToCharLen(const S: string; MaxLen: SizeInt): SizeInt;
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Function CharToByteLen(const S: string; MaxLen: SizeInt): SizeInt;
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Function ByteToCharIndex(const S: string; Index: SizeInt): SizeInt;
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Function StrCharLength(const Str: PAnsiChar): SizeInt;
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function StrNextChar(const Str: PAnsiChar): PAnsiChar;
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function IsLeadChar(C: AnsiChar): Boolean; inline; overload;
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function IsLeadChar(B: Byte): Boolean; inline; overload;
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const
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{$ifndef unix}
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SwitchChars = ['/','-'];
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{$else}
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SwitchChars = ['-'];
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{$endif}
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Type
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TSysCharSet = Set of AnsiChar;
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PSysCharSet = ^TSysCharSet;
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TCmdLineSwitchType = (clstValueNextParam, clstValueAppended);
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TCmdLineSwitchTypes = Set of TCmdLineSwitchType;
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Function FindCmdLineSwitch(const Switch: string; const Chars: TSysCharSet; IgnoreCase: Boolean): Boolean;
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Function FindCmdLineSwitch(const Switch: string; IgnoreCase: Boolean): Boolean;
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Function FindCmdLineSwitch(const Switch: string): Boolean;
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function FindCmdLineSwitch(const Switch: string; var Value: string; IgnoreCase: Boolean = True; const SwitchTypes: TCmdLineSwitchTypes = [clstValueNextParam, clstValueAppended]): Boolean;
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function WrapText(const Line, BreakStr: string; const BreakChars: TSysCharSet; MaxCol: Integer): string;
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function WrapText(const Line: string; MaxCol: Integer): string;
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{==============================================================================}
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{ extra functions }
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{==============================================================================}
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function LeftStr(const S: string; Count: integer): string;
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function RightStr(const S: string; Count: integer): string;
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function BCDToInt(Value: integer): integer;
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Type
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{==============================================================================}
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{ TStringBuilder }
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{==============================================================================}
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// Ansi version implementation
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{$MACRO ON}
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{$UNDEF SBUNICODE}
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{$define SBChar:=AnsiChar}
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{$define SBString:=AnsiString}
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{$define TSBCharArray:=Array of SBChar}
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{$define PSBChar:=PAnsiChar}
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{$define SBRAWString:=RawByteString}
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{$define TGenericStringBuilder:=TAnsiStringBuilder}
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{$i syssbh.inc}
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{$undef SBChar}
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{$undef SBString}
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{$undef TSBCharArray}
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{$undef PSBChar}
|
|
{$undef SBRAWString}
|
|
{$undef TGenericStringBuilder}
|
|
|
|
// Unicode version implementation
|
|
|
|
{$define SBUNICODE}
|
|
{$define SBChar:=WideChar}
|
|
{$define SBString:=UnicodeString}
|
|
{$define TSBCharArray:=Array of SBChar}
|
|
{$define PSBChar:=PWideChar}
|
|
{$define SBRAWString:=UnicodeString}
|
|
{$define TGenericStringBuilder:=TUnicodeStringBuilder}
|
|
{$i syssbh.inc}
|
|
{$undef SBChar}
|
|
{$undef SBString}
|
|
{$undef TSBCharArray}
|
|
{$undef PSBChar}
|
|
{$undef SBRAWString}
|
|
{$undef TGenericStringBuilder}
|
|
{$undef SBUNICODE}
|
|
|
|
Type
|
|
{$IF SIZEOF(CHAR)=1}
|
|
TStringBuilder = TAnsiStringBuilder;
|
|
{$ELSE}
|
|
TStringBuilder = TUnicodeStringBuilder;
|
|
{$ENDIF}
|
|
|
|
function SafeFormat (const Fmt: AnsiString;const Args: array of const; const FormatSettings: TFormatSettings): UTF8String; overload;
|
|
function SafeFormat (const Fmt: AnsiString;const Args: array of const): UTF8String; overload;
|