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{
*********************************************************************
Copyright (C) 2002-2005 by Florian Klaempfl
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*********************************************************************
}
function IsLeadChar(Ch: WideChar): Boolean;
begin
Result := (Ch >= #$D800) and (Ch <= #$DFFF);
end;
function Trim(const S: widestring): widestring;
var
Ofs, Len: sizeint;
begin
len := Length(S);
while (Len>0) and (S[Len]<=' ') do
dec(Len);
Ofs := 1;
while (Ofs<=Len) and (S[Ofs]<=' ') do
Inc(Ofs);
result := Copy(S, Ofs, 1 + Len - Ofs);
end;
{ TrimLeft returns a copy of S with all blank characters on the left stripped off }
function TrimLeft(const S: widestring): widestring;
var
i,l:sizeint;
begin
l := length(s);
i := 1;
while (i<=l) and (s[i]<=' ') do
inc(i);
Result := copy(s, i, l);
end;
{ TrimRight returns a copy of S with all blank characters on the right stripped off }
function TrimRight(const S: widestring): widestring;
var
l:sizeint;
begin
l := length(s);
while (l>0) and (s[l]<=' ') do
dec(l);
result := copy(s,1,l);
end;
function WideUpperCase(const s : WideString) : WideString;{$ifdef SYSUTILSINLINE}inline;{$endif}
begin
result:=widestringmanager.UpperWideStringProc(s);
end;
function WideLowerCase(const s : WideString) : WideString;{$ifdef SYSUTILSINLINE}inline;{$endif}
begin
result:=widestringmanager.LowerWideStringProc(s);
end;
function WideCompareStr(const s1, s2 : WideString) : PtrInt;{$ifdef SYSUTILSINLINE}inline;{$endif}
begin
result:=widestringmanager.CompareWideStringProc(s1,s2,[]);
end;
function WideSameStr(const s1, s2 : WideString) : Boolean;{$ifdef SYSUTILSINLINE}inline;{$endif}
begin
result:=widestringmanager.CompareWideStringProc(s1,s2,[])=0;
end;
function WideCompareText(const s1, s2 : WideString) : PtrInt;{$ifdef SYSUTILSINLINE}inline;{$endif}
begin
result:=widestringmanager.CompareWideStringProc(s1,s2,[coIgnoreCase]);
end;
function WideSameText(const s1, s2 : WideString) : Boolean;{$ifdef SYSUTILSINLINE}inline;{$endif}
begin
result:=widestringmanager.CompareWideStringProc(s1,s2,[coIgnoreCase])=0;
end;
{ we've no templates, but with includes we can simulate this :) }
{$macro on}
{$define INWIDEFORMAT}
{$define TFormatString:=widestring}
{$define TFormatChar:=widechar}
Function WideFormat (Const Fmt : WideString; const Args : Array of const; Const FormatSettings: TFormatSettings) : WideString;
{$i sysformt.inc}
{$undef TFormatString}
{$undef TFormatChar}
{$undef INWIDEFORMAT}
{$macro off}
Function WideFormat (Const Fmt : WideString; const Args : Array of const) : WideString;
begin
Result:=WideFormat(Fmt,Args,DefaultFormatSettings);
end;
Function WideFormatBuf (Var Buffer; BufLen : Cardinal;
Const Fmt; fmtLen : Cardinal;
Const Args : Array of const; Const FormatSettings: TFormatSettings) : Cardinal;
Var
S,F : WideString;
begin
Setlength(F,fmtlen);
if fmtlen > 0 then
Move(fmt,F[1],fmtlen*sizeof(Widechar));
S:=WideFormat (F,Args);
If Cardinal(Length(S))<Buflen then
Result:=Length(S)
else
Result:=Buflen;
Move(S[1],Buffer,Result);
end;
Function WideFormatBuf (Var Buffer; BufLen : Cardinal;
Const Fmt; fmtLen : Cardinal;
Const Args : Array of const) : Cardinal;
begin
Result:=WideFormatBuf(Buffer,BufLEn,Fmt,FmtLen,Args,DefaultFormatSettings);
end;
Procedure WideFmtStr(Var Res: WideString; Const Fmt : WideString; Const args: Array of const; Const FormatSettings: TFormatSettings);
begin
Res:=WideFormat(fmt,Args);
end;
Procedure WideFmtStr(Var Res: WideString; Const Fmt : WideString; Const args: Array of const);
begin
WideFmtStr(Res,Fmt,Args,DefaultFormatSettings);
end;
function StrCopy(Dest, Source: PWideChar): PWideChar; overload;
var
counter : SizeInt;
begin
counter := 0;
while Source[counter] <> #0 do
begin
Dest[counter] := widechar(Source[counter]);
Inc(counter);
end;
{ terminate the string }
Dest[counter] := #0;
StrCopy := Dest;
end;
function StrLCopy(Dest,Source: PWideChar; MaxLen: SizeInt): PWideChar; overload;
var
counter: SizeInt;
begin
counter := 0;
while (Source[counter] <> #0) and (counter < MaxLen) do
begin
Dest[counter] := widechar(Source[counter]);
Inc(counter);
end;
{ terminate the string }
Dest[counter] := #0;
StrLCopy := Dest;
end;
Function CharInSet(Ch:WideChar;Const CSet : TSysCharSet) : Boolean;
begin
result:=(Ch<=#$FF) and (ansichar(byte(ch)) in CSet);
end;
{$macro on}
{$define INWIDESTRINGREPLACE}
{$define SRString:=WideString}
{$define SRUpperCase:=WideUppercase}
{$define SRPChar:=PWideChar}
{$define SRChar:=WideChar}
Function WideStringReplace(const S, OldPattern, NewPattern: Widestring; Flags: TReplaceFlags): Widestring;
Var
C : Integer;
begin
Result:=WideStringReplace(S,OldPattern,NewPattern,Flags,C);
end;
function WideStringReplace(const S, OldPattern, NewPattern: WideString; Flags: TReplaceFlags; Out aCount : Integer): WideString;
{$i syssr.inc}
{$undef INWIDESTRINGREPLACE}
{$undef SRString}
{$undef SRUpperCase}
{$undef SRPChar}
{$undef SRChar}
|
