mirror of
https://gitlab.com/freepascal.org/fpc/source.git
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280 lines
6.5 KiB
PHP
280 lines
6.5 KiB
PHP
{
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*********************************************************************
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$Id$
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Copyright (C) 1997, 1998 Gertjan Schouten
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*********************************************************************
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System Utilities For Free Pascal
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}
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{$IFDEF VIRTUALPASCAL}
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{$J+}
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{$ENDIF}
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function ChangeFileExt(const FileName, Extension: string): string;
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var i: longint;
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begin
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I := Length(FileName);
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while (I > 0) and not(FileName[I] in ['/', '.', '\', ':']) do
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Dec(I);
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if (I = 0) or (FileName[I] <> '.') then
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I := Length(FileName)+1;
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Result := Copy(FileName, 1, I - 1) + Extension;
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end;
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function ExtractFilePath(const FileName: string): string;
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var i: longint;
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begin
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i := Length(FileName);
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while (i > 0) and not (FileName[i] in ['/', '\', ':']) do Dec(i);
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If I>0 then
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Result := Copy(FileName, 1, i)
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else
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Result:='';
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end;
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function ExtractFileDir(const FileName: string): string;
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var i: longint;
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begin
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I := Length(FileName);
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while (I > 0) and not (FileName[I] in ['/', '\', ':']) do Dec(I);
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if (I > 1) and (FileName[I] in ['\', '/']) and
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not (FileName[I - 1] in ['/', '\', ':']) then Dec(I);
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Result := Copy(FileName, 1, I);
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end;
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function ExtractFileDrive(const FileName: string): string;
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var i: longint;
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begin
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if (Length(FileName) >= 3) and (FileName[2] = ':') then
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result := Copy(FileName, 1, 2)
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else if (Length(FileName) >= 2) and (FileName[1] in ['/', '\']) and
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(FileName[2] in ['/', '\']) then begin
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i := 2;
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While (i < Length(Filename)) do begin
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if Filename[i + 1] in ['/', '\'] then break;
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inc(i);
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end ;
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Result := Copy(FileName, 1, i);
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end
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else Result := '';
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end;
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function ExtractFileName(const FileName: string): string;
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var i: longint;
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begin
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I := Length(FileName);
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while (I > 0) and not (FileName[I] in ['/', '\', ':']) do Dec(I);
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Result := Copy(FileName, I + 1, 255);
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end;
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function ExtractFileExt(const FileName: string): string;
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var i: longint;
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begin
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I := Length(FileName);
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while (I > 0) and not (FileName[I] in ['.', '/', '\', ':']) do Dec(I);
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if (I > 0) and (FileName[I] = '.') then
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Result := Copy(FileName, I, 255)
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else Result := '';
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end;
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function ExpandFileName (Const FileName : string): String;
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Var S : String;
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Begin
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S:=FileName;
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{$IFNDEF VIRTUALPASCAL}
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DoDirSeparators(S);
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{$ENDIF}
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{$ifdef HasUnix}
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Result:=fexpand(S);
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{$else}
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Result:=Dos.Fexpand(S);
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{$endif}
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end;
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function ExpandUNCFileName (Const FileName : string): String;
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begin
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Result:=ExpandFileName (FileName);
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//!! Here should follow code to replace the drive: part with UNC...
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end;
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Const MaxDirs = 129;
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function ExtractRelativepath (Const BaseName,DestName : String): String;
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Var Source, Dest : String;
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Sc,Dc,I,J : Longint;
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SD,DD : Array[1..MaxDirs] of PChar;
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Const OneLevelBack = '..'+PathDelim;
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begin
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If Uppercase(ExtractFileDrive(BaseName))<>Uppercase(ExtractFileDrive(DestName)) Then
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begin
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Result:=DestName;
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exit;
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end;
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Source:=ExtractFilePath(BaseName);
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Dest:=ExtractFilePath(DestName);
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SC:=GetDirs (Source,SD);
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DC:=GetDirs (Dest,DD);
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I:=1;
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While (I<DC) and (I<SC) do
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begin
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If StrIcomp(DD[i],SD[i])=0 then
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Inc(i)
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else
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Break;
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end;
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Result:='';
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For J:=I to SC-1 do Result:=Result+OneLevelBack;
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For J:=I to DC-1 do Result:=Result+DD[J]+PathDelim;
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Result:=Result+ExtractFileName(DestNAme);
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end;
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Procedure DoDirSeparators (Var FileName : String);
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VAr I : longint;
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begin
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For I:=1 to Length(FileName) do
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If FileName[I] in DirSeparators then
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FileName[i]:=PathDelim;
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end;
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Function SetDirSeparators (Const FileName : string) : String;
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begin
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Result:=FileName;
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DoDirSeparators (Result);
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end;
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{
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DirName is split in a #0 separated list of directory names,
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Dirs is an array of pchars, pointing to these directory names.
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The function returns the number of directories found, or -1
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if none were found.
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DirName must contain only PathDelim as Directory separator chars.
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}
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Function GetDirs (Var DirName : String; Var Dirs : Array of pchar) : Longint;
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Var I : Longint;
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begin
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I:=1;
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Result:=-1;
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While I<=Length(DirName) do
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begin
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If DirName[i]=PathDelim then
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begin
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DirName[i]:=#0;
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Inc(Result);
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Dirs[Result]:=@DirName[I+1];
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end;
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Inc(I);
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end;
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If Result>-1 then inc(Result);
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end;
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function IncludeTrailingPathDelimiter(Const Path : String) : String;
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Var
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l : Integer;
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begin
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Result:=Path;
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l:=Length(Result);
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If (L=0) or (Result[l]<>PathDelim) then
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Result:=Result+PathDelim;
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end;
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function IncludeTrailingBackslash(Const Path : String) : String;
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begin
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Result:=IncludeTrailingPathDelimiter(Path);
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end;
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function ExcludeTrailingBackslash(Const Path: string): string;
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begin
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Result:=ExcludeTrailingPathDelimiter(Path);
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end;
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function ExcludeTrailingPathDelimiter(Const Path: string): string;
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Var
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L : Integer;
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begin
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L:=Length(Path);
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If (L>0) and (Path[L]=PathDelim) then
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Dec(L);
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Result:=Copy(Path,1,L);
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end;
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function IsPathDelimiter(Const Path: string; Index: Integer): Boolean;
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begin
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Result:=(Index>0) and (Index<=Length(Path)) and (Path[Index]=PathDelim);
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end;
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Function GetFileHandle(var f : File):Longint;
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begin
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result:=filerec(f).handle;
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end;
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Function GetFileHandle(var f : Text):Longint;
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begin
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result:=textrec(f).handle;
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end;
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{
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$Log$
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Revision 1.4 2004-10-30 20:49:32 marco
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* Removed a "unix." prefix
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Revision 1.3 2004/05/01 11:56:25 marco
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* fileno -> getfilehandle
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Revision 1.2 2004/05/01 11:04:34 marco
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* fileno
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Revision 1.1 2003/10/06 21:01:06 peter
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* moved classes unit to rtl
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Revision 1.10 2003/09/06 21:52:24 marco
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* commited.
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Revision 1.9 2003/01/10 21:02:13 marco
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* hasunix fix for beos
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Revision 1.8 2002/10/22 21:57:54 michael
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+ Added some missing path functions
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Revision 1.7 2002/10/12 15:34:09 michael
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+ Fixed changefileexit for long (>255) filenames
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Revision 1.6 2002/09/07 16:01:22 peter
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* old logs removed and tabs fixed
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}
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