fpc/rtl/objpas/sysutils/syswide.inc
florian 6ed53e2c70 * Trim removes now all spaces and controll chars
+ Trim* for widestrings

git-svn-id: trunk@618 -
2005-07-13 08:32:41 +00:00

135 lines
3.7 KiB
PHP

{
*********************************************************************
Copyright (C) 2002-2005 by Florian Klaempfl
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*********************************************************************
}
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.CompareTextWideStringProc(s1,s2);
end;
function WideSameText(const s1, s2 : WideString) : Boolean;{$ifdef SYSUTILSINLINE}inline;{$endif}
begin
result:=widestringmanager.CompareTextWideStringProc(s1,s2)=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) : WideString;
{$i sysformt.inc}
{$undef TFormatString}
{$undef TFormatChar}
{$undef INWIDEFORMAT}
{$macro off}
Function WideFormatBuf (Var Buffer; BufLen : Cardinal;
Const Fmt; fmtLen : Cardinal;
Const Args : Array of const) : 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;
Procedure WideFmtStr(Var Res: WideString; Const Fmt : WideString; Const args: Array of const);
begin
Res:=WideFormat(fmt,Args);
end;