mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-05-04 20:23:57 +02:00
793 lines
23 KiB
ObjectPascal
793 lines
23 KiB
ObjectPascal
{
|
|
***************************************************************************
|
|
* *
|
|
* This source 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 code 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. *
|
|
* *
|
|
* A copy of the GNU General Public License is available on the World *
|
|
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
|
|
* obtain it by writing to the Free Software Foundation, *
|
|
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
|
|
* *
|
|
***************************************************************************
|
|
|
|
Author: Mattias Gaertner
|
|
|
|
Abstract:
|
|
- simple file functions
|
|
|
|
|
|
ToDo:
|
|
}
|
|
unit FileProcs;
|
|
|
|
{$ifdef FPC}{$mode objfpc}{$endif}{$H+}
|
|
|
|
interface
|
|
|
|
{$I codetools.inc}
|
|
|
|
uses
|
|
{$IFDEF MEM_CHECK}
|
|
MemCheck,
|
|
{$ENDIF}
|
|
Classes, SysUtils, CodeToolsStrConsts;
|
|
|
|
const
|
|
// ToDo: find the constant in the fpc units.
|
|
EndOfLine:shortstring={$IFDEF win32}#13+{$ENDIF}#10;
|
|
{$ifdef win32}
|
|
SpecialChar = '/'; // used to use PathDelim, e.g. /\
|
|
{$else}
|
|
SpecialChar = '\';
|
|
{$endif}
|
|
{$ifdef win32}
|
|
{$define CaseInsensitiveFilenames}
|
|
{$endif}
|
|
|
|
function CompareFilenames(const Filename1, Filename2: string): integer;
|
|
function CompareFileExt(const Filename, Ext: string;
|
|
CaseSensitive: boolean): integer;
|
|
function GetFilenameOnDisk(const AFilename: string): string;
|
|
function DirectoryExists(DirectoryName: string): boolean;
|
|
function ExtractFileNameOnly(const AFilename: string): string;
|
|
function FilenameIsAbsolute(TheFilename: string):boolean;
|
|
function ForceDirectory(DirectoryName: string): boolean;
|
|
procedure CheckIfFileIsExecutable(const AFilename: string);
|
|
function FileIsExecutable(const AFilename: string): boolean;
|
|
function FileIsReadable(const AFilename: string): boolean;
|
|
function FileIsWritable(const AFilename: string): boolean;
|
|
function FileIsText(const AFilename: string): boolean;
|
|
function TrimFilename(const AFilename: string): string;
|
|
function CleanAndExpandFilename(const Filename: string): string;
|
|
function CleanAndExpandDirectory(const Filename: string): string;
|
|
function FileIsInPath(const Filename, Path: string): boolean;
|
|
function AppendPathDelim(const Path: string): string;
|
|
function ChompPathDelim(const Path: string): string;
|
|
function SearchFileInPath(const Filename, BasePath, SearchPath,
|
|
Delimiter: string; SearchLoUpCase: boolean): string;
|
|
function FilenameIsMatching(const Mask, Filename: string;
|
|
MatchExactly: boolean): boolean;
|
|
|
|
implementation
|
|
|
|
// to get more detailed error messages consider the os
|
|
{$IFNDEF win32}
|
|
uses
|
|
{$IFDEF Ver1_0} Linux {$ELSE} Unix {$ENDIF};
|
|
{$ENDIF}
|
|
|
|
var
|
|
UpChars: array[char] of char;
|
|
|
|
function CompareFilenames(const Filename1, Filename2: string): integer;
|
|
begin
|
|
{$IFDEF WIN32}
|
|
Result:=AnsiCompareText(Filename1, Filename2);
|
|
{$ELSE}
|
|
Result:=AnsiCompareStr(Filename1, Filename2);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
function FileIsExecutable(const AFilename: string): boolean;
|
|
begin
|
|
try
|
|
CheckIfFileIsExecutable(AFilename);
|
|
Result:=true;
|
|
except
|
|
Result:=false;
|
|
end;
|
|
end;
|
|
|
|
procedure CheckIfFileIsExecutable(const AFilename: string);
|
|
var AText: string;
|
|
begin
|
|
// TProcess does not report, if a program can not be executed
|
|
// to get good error messages consider the OS
|
|
if not FileExists(AFilename) then begin
|
|
raise Exception.CreateFmt(ctsFileDoesNotExists,[AFilename]);
|
|
end;
|
|
{$IFNDEF win32}
|
|
if not{$IFDEF Ver1_0}Linux{$ELSE}Unix{$ENDIF}.Access(
|
|
AFilename,{$IFDEF Ver1_0}Linux{$ELSE}Unix{$ENDIF}.X_OK) then
|
|
begin
|
|
AText:='"'+AFilename+'"';
|
|
case LinuxError of
|
|
{$IFDEF Ver1_0}sys_eacces{$ELSE}ESysEAcces{$ENDIF}:
|
|
AText:='read access denied for '+AText;
|
|
{$IFDEF Ver1_0}sys_enoent{$ELSE}ESysENoEnt{$ENDIF}:
|
|
AText:='a directory component in '+AText
|
|
+' does not exist or is a dangling symlink';
|
|
{$IFDEF Ver1_0}sys_enotdir{$ELSE}ESysENotDir{$ENDIF}:
|
|
AText:='a directory component in '+Atext+' is not a directory';
|
|
{$IFDEF Ver1_0}sys_enomem{$ELSE}ESysENoMem{$ENDIF}:
|
|
AText:='insufficient memory';
|
|
{$IFDEF Ver1_0}sys_eloop{$ELSE}ESysELoop{$ENDIF}:
|
|
AText:=AText+' has a circular symbolic link';
|
|
else
|
|
AText:=Format(ctsFileIsNotExecutable,[AText]);
|
|
end;
|
|
raise Exception.Create(AText);
|
|
end;
|
|
{$ENDIF}
|
|
|
|
// ToDo: windows and xxxbsd
|
|
end;
|
|
|
|
function ExtractFileNameOnly(const AFilename: string): string;
|
|
var ExtLen: integer;
|
|
begin
|
|
Result:=ExtractFilename(AFilename);
|
|
ExtLen:=length(ExtractFileExt(Result));
|
|
Result:=copy(Result,1,length(Result)-ExtLen);
|
|
end;
|
|
|
|
function FilenameIsAbsolute(TheFilename: string):boolean;
|
|
begin
|
|
DoDirSeparators(TheFilename);
|
|
{$IFDEF win32}
|
|
// windows
|
|
Result:=(copy(TheFilename,1,2)='\\') or ((length(TheFilename)>3) and
|
|
(upcase(TheFilename[1]) in ['A'..'Z']) and (copy(TheFilename,2,2)=':\'));
|
|
{$ELSE}
|
|
Result:=(TheFilename<>'') and (TheFilename[1]='/');
|
|
{$ENDIF}
|
|
end;
|
|
|
|
function GetFilenameOnDisk(const AFilename: string): string;
|
|
begin
|
|
Result:=AFilename;
|
|
end;
|
|
|
|
function DirectoryExists(DirectoryName: string): boolean;
|
|
var sr: TSearchRec;
|
|
begin
|
|
if (DirectoryName<>'')
|
|
and (DirectoryName[length(DirectoryName)]=PathDelim) then
|
|
DirectoryName:=copy(DirectoryName,1,length(DirectoryName)-1);
|
|
if FindFirst(DirectoryName,faAnyFile,sr)=0 then
|
|
Result:=((sr.Attr and faDirectory)>0)
|
|
else
|
|
Result:=false;
|
|
FindClose(sr);
|
|
end;
|
|
|
|
function ForceDirectory(DirectoryName: string): boolean;
|
|
var i: integer;
|
|
Dir: string;
|
|
begin
|
|
DoDirSeparators(DirectoryName);
|
|
i:=1;
|
|
while i<=length(DirectoryName) do begin
|
|
if DirectoryName[i]=PathDelim then begin
|
|
Dir:=copy(DirectoryName,1,i-1);
|
|
if not DirectoryExists(Dir) then begin
|
|
Result:=CreateDir(Dir);
|
|
if not Result then exit;
|
|
end;
|
|
end;
|
|
inc(i);
|
|
end;
|
|
Result:=true;
|
|
end;
|
|
|
|
function FileIsReadable(const AFilename: string): boolean;
|
|
begin
|
|
{$IFDEF win32}
|
|
Result:=true;
|
|
{$ELSE}
|
|
Result:={$IFDEF Ver1_0}Linux{$ELSE}Unix{$ENDIF}.Access(
|
|
AFilename,{$IFDEF Ver1_0}Linux{$ELSE}Unix{$ENDIF}.R_OK);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
function FileIsWritable(const AFilename: string): boolean;
|
|
begin
|
|
{$IFDEF win32}
|
|
Result:=((FileGetAttr(AFilename) and faReadOnly)>0);
|
|
{$ELSE}
|
|
Result:={$IFDEF Ver1_0}Linux{$ELSE}Unix{$ENDIF}.Access(
|
|
AFilename,{$IFDEF Ver1_0}Linux{$ELSE}Unix{$ENDIF}.W_OK);
|
|
{$ENDIF}
|
|
end;
|
|
|
|
function FileIsText(const AFilename: string): boolean;
|
|
var fs: TFileStream;
|
|
Buf: string;
|
|
Len, i: integer;
|
|
NewLine: boolean;
|
|
begin
|
|
Result:=false;
|
|
try
|
|
fs:=TFileStream.Create(AFilename,fmOpenRead);
|
|
try
|
|
// read the first 1024 bytes
|
|
Len:=1024;
|
|
if Len>fs.Size then Len:=fs.Size;
|
|
if Len>0 then begin
|
|
SetLength(Buf,Len);
|
|
fs.Read(Buf[1],length(Buf));
|
|
NewLine:=false;
|
|
for i:=1 to length(Buf) do begin
|
|
case Buf[i] of
|
|
#0..#8,#11..#12,#14..#31: exit;
|
|
#10,#13: NewLine:=true;
|
|
end;
|
|
end;
|
|
if NewLine or (Len<1024) then
|
|
Result:=true;
|
|
end else
|
|
Result:=true;
|
|
finally
|
|
fs.Free;
|
|
end;
|
|
except
|
|
end;
|
|
end;
|
|
|
|
function TrimFilename(const AFilename: string): string;
|
|
// trim double path delims, heading and trailing spaces
|
|
// and special dirs . and ..
|
|
|
|
function FilenameIsTrimmed(const TheFilename: string): boolean;
|
|
var
|
|
l: Integer;
|
|
i: Integer;
|
|
begin
|
|
Result:=false;
|
|
if TheFilename='' then begin
|
|
Result:=true;
|
|
exit;
|
|
end;
|
|
l:=length(TheFilename);
|
|
// check heading spaces
|
|
if TheFilename[1]=' ' then exit;
|
|
// check trailing spaces
|
|
if TheFilename[l]=' ' then exit;
|
|
i:=1;
|
|
while i<=l do begin
|
|
case TheFilename[i] of
|
|
|
|
PathDelim:
|
|
// check for double path delimiter
|
|
if (i<l) and (TheFilename[i+1]=PathDelim) then exit;
|
|
|
|
'.':
|
|
if (i=1) or (TheFilename[i-1]=PathDelim) then begin
|
|
// check for . and .. directories
|
|
if (i=l) or (TheFilename[i+1]=PathDelim) then exit;
|
|
if (TheFilename[i+1]='.')
|
|
and ((i=l-1) or (TheFilename[i+2]=PathDelim)) then exit;
|
|
end;
|
|
|
|
end;
|
|
inc(i);
|
|
end;
|
|
Result:=true;
|
|
end;
|
|
|
|
var SrcPos, DestPos, l, DirStart: integer;
|
|
c: char;
|
|
begin
|
|
Result:=AFilename;
|
|
if FilenameIsTrimmed(Result) then exit;
|
|
|
|
l:=length(AFilename);
|
|
SrcPos:=1;
|
|
DestPos:=1;
|
|
|
|
// skip trailing spaces
|
|
while (l>=1) and (AFilename[l]=' ') do dec(l);
|
|
|
|
// skip heading spaces
|
|
while (SrcPos<=l) and (AFilename[SrcPos]=' ') do inc(SrcPos);
|
|
|
|
// trim double path delims and special dirs . and ..
|
|
while (SrcPos<=l) do begin
|
|
c:=AFilename[SrcPos];
|
|
// check for double path delims
|
|
if (c=PathDelim) then begin
|
|
inc(SrcPos);
|
|
{$IFDEF win32}
|
|
if (DestPos>2)
|
|
{$ELSE}
|
|
if (DestPos>1)
|
|
{$ENDIF}
|
|
and (Result[DestPos-1]=PathDelim) then begin
|
|
// skip second PathDelim
|
|
continue;
|
|
end;
|
|
Result[DestPos]:=c;
|
|
inc(DestPos);
|
|
continue;
|
|
end;
|
|
// check for special dirs . and ..
|
|
if (c='.') then begin
|
|
if (SrcPos<l) then begin
|
|
if (AFilename[SrcPos+1]=PathDelim)
|
|
and ((DestPos=1) or (AFilename[SrcPos-1]=PathDelim)) then begin
|
|
// special dir ./
|
|
// -> skip
|
|
inc(SrcPos,2);
|
|
continue;
|
|
end else if (AFilename[SrcPos+1]='.')
|
|
and (SrcPos+1=l) or (AFilename[SrcPos+2]=PathDelim) then
|
|
begin
|
|
// special dir ..
|
|
// 1. .. -> copy
|
|
// 2. /.. -> skip .., keep /
|
|
// 3. C:.. -> copy
|
|
// 4. C:\.. -> skip .., keep C:\
|
|
// 5. \\.. -> skip .., keep \\
|
|
// 6. xxx../.. -> copy
|
|
// 7. xxxdir/.. -> trim dir and skip ..
|
|
if DestPos=1 then begin
|
|
// 1. .. -> copy
|
|
end else if (DestPos=2) and (Result[1]=PathDelim) then begin
|
|
// 2. /.. -> skip .., keep /
|
|
inc(SrcPos,2);
|
|
continue;
|
|
{$IFDEF win32}
|
|
end else if (DestPos=3) and (Result[2]=':')
|
|
and (Result[1] in ['a'..'z','A'..'Z']) then begin
|
|
// 3. C:.. -> copy
|
|
end else if (DestPos=4) and (Result[2]=':') and (Result[3]=PathDelim)
|
|
and (Result[1] in ['a'..'z','A'..'Z']) then begin
|
|
// 4. C:\.. -> skip .., keep C:\
|
|
inc(SrcPos,2);
|
|
continue;
|
|
end else if (DestPos=3) and (Result[1]=PathDelim)
|
|
and (Result[2]=PathDelim) then begin
|
|
// 5. \\.. -> skip .., keep \\
|
|
inc(SrcPos,2);
|
|
continue;
|
|
{$ENDIF}
|
|
end else if (DestPos>1) and (Result[DestPos-1]=PathDelim) then begin
|
|
if (DestPos>3)
|
|
and (Result[DestPos-2]='.') and (Result[DestPos-3]='.')
|
|
and ((DestPos=4) or (Result[DestPos-4]=PathDelim)) then begin
|
|
// 6. ../.. -> copy
|
|
end else begin
|
|
// 7. xxxdir/.. -> trim dir and skip ..
|
|
DirStart:=DestPos-2;
|
|
while (DirStart>1) and (Result[DirStart-1]<>PathDelim) do
|
|
dec(DirStart);
|
|
DestPos:=DirStart;
|
|
inc(SrcPos,2);
|
|
continue;
|
|
end;
|
|
end;
|
|
end;
|
|
end else begin
|
|
// special dir . at end of filename
|
|
if DestPos=1 then begin
|
|
Result:='.';
|
|
exit;
|
|
end else begin
|
|
// skip
|
|
break;
|
|
end;
|
|
end;
|
|
end;
|
|
// copy directory
|
|
repeat
|
|
Result[DestPos]:=c;
|
|
inc(DestPos);
|
|
inc(SrcPos);
|
|
if (SrcPos>l) then break;
|
|
c:=AFilename[SrcPos];
|
|
if c=PathDelim then break;
|
|
until false;
|
|
end;
|
|
// trim result
|
|
if DestPos<=length(AFilename) then
|
|
SetLength(Result,DestPos-1);
|
|
end;
|
|
|
|
{------------------------------------------------------------------------------
|
|
function CleanAndExpandFilename(const Filename: string): string;
|
|
------------------------------------------------------------------------------}
|
|
function CleanAndExpandFilename(const Filename: string): string;
|
|
begin
|
|
Result:=ExpandFilename(TrimFileName(Filename));
|
|
end;
|
|
|
|
{------------------------------------------------------------------------------
|
|
function CleanAndExpandDirectory(const Filename: string): string;
|
|
------------------------------------------------------------------------------}
|
|
function CleanAndExpandDirectory(const Filename: string): string;
|
|
begin
|
|
Result:=AppendPathDelim(CleanAndExpandFilename(Filename));
|
|
end;
|
|
|
|
{------------------------------------------------------------------------------
|
|
function FileIsInPath(const Filename, Path: string): boolean;
|
|
------------------------------------------------------------------------------}
|
|
function FileIsInPath(const Filename, Path: string): boolean;
|
|
var
|
|
ExpFile: String;
|
|
ExpPath: String;
|
|
l: integer;
|
|
begin
|
|
ExpFile:=CleanAndExpandFilename(Filename);
|
|
ExpPath:=CleanAndExpandDirectory(Path);
|
|
l:=length(ExpPath);
|
|
Result:=(length(ExpFile)>l) and (ExpFile[l+1]=PathDelim)
|
|
and (CompareFilenames(ExpPath,LeftStr(ExpFile,l))=0);
|
|
end;
|
|
|
|
function AppendPathDelim(const Path: string): string;
|
|
begin
|
|
if (Path<>'') and (Path[length(Path)]<>PathDelim) then
|
|
Result:=Path+PathDelim
|
|
else
|
|
Result:=Path;
|
|
end;
|
|
|
|
function ChompPathDelim(const Path: string): string;
|
|
begin
|
|
if (Path<>'') and (Path[length(Path)]=PathDelim) then
|
|
Result:=LeftStr(Path,length(Path)-1)
|
|
else
|
|
Result:=Path;
|
|
end;
|
|
|
|
function SearchFileInPath(const Filename, BasePath, SearchPath,
|
|
Delimiter: string; SearchLoUpCase: boolean): string;
|
|
|
|
function FileDoesExists(const AFilename: string): boolean;
|
|
var s: string;
|
|
begin
|
|
s:=ExpandFilename(TrimFilename(AFilename));
|
|
Result:=FileExists(s);
|
|
if Result then begin
|
|
SearchFileInPath:=s;
|
|
exit;
|
|
end;
|
|
{$IFNDEF Win32}
|
|
if SearchLoUpCase then begin
|
|
|
|
end;
|
|
{$ENDIF}
|
|
end;
|
|
|
|
var
|
|
p, StartPos, l: integer;
|
|
CurPath, Base: string;
|
|
begin
|
|
//writeln('[SearchFileInPath] Filename="',Filename,'" BasePath="',BasePath,'" SearchPath="',SearchPath,'" Delimiter="',Delimiter,'"');
|
|
if (Filename='') then begin
|
|
Result:=Filename;
|
|
exit;
|
|
end;
|
|
// check if filename absolute
|
|
if FilenameIsAbsolute(Filename) then begin
|
|
if FileExists(Filename) then begin
|
|
Result:=ExpandFilename(Filename);
|
|
exit;
|
|
end else begin
|
|
Result:='';
|
|
exit;
|
|
end;
|
|
end;
|
|
Base:=ExpandFilename(AppendPathDelim(BasePath));
|
|
// search in current directory
|
|
if FileExists(Base+Filename) then begin
|
|
Result:=Base+Filename;
|
|
exit;
|
|
end;
|
|
// search in search path
|
|
StartPos:=1;
|
|
l:=length(SearchPath);
|
|
while StartPos<=l do begin
|
|
p:=StartPos;
|
|
while (p<=l) and (pos(SearchPath[p],Delimiter)<1) do inc(p);
|
|
CurPath:=Trim(copy(SearchPath,StartPos,p-StartPos));
|
|
if CurPath<>'' then begin
|
|
if not FilenameIsAbsolute(CurPath) then
|
|
CurPath:=Base+CurPath;
|
|
Result:=ExpandFilename(AppendPathDelim(CurPath)+Filename);
|
|
if FileExists(Result) then exit;
|
|
end;
|
|
StartPos:=p+1;
|
|
end;
|
|
Result:='';
|
|
end;
|
|
|
|
|
|
function FilenameIsMatching(const Mask, Filename: string;
|
|
MatchExactly: boolean): boolean;
|
|
(*
|
|
check if Filename matches Mask
|
|
if MatchExactly then the complete Filename must match, else only the
|
|
start
|
|
|
|
Filename matches exactly or is a file/directory in a subdirectory of mask
|
|
Mask can contain the wildcards * and ? and the set operator {,}
|
|
The wildcards will _not_ match PathDelim
|
|
If you need the asterisk, the question mark or the PathDelim as character
|
|
just put the SpecialChar character in front of it.
|
|
|
|
Examples:
|
|
/abc matches /abc, /abc/p, /abc/xyz/filename
|
|
but not /abcd
|
|
/abc/x?z/www matches /abc/xyz/www, /abc/xaz/www
|
|
but not /abc/x/z/www
|
|
/abc/x*z/www matches /abc/xz/www, /abc/xyz/www, /abc/xAAAz/www
|
|
but not /abc/x/z/www
|
|
/abc/x\*z/www matches /abc/x*z/www, /abc/x*z/www/ttt
|
|
|
|
/a{b,c,d}e matches /abe, /ace, /ade
|
|
*)
|
|
|
|
function FindDirectoryStart(const AFilename: string;
|
|
CurPos: integer): integer;
|
|
begin
|
|
Result:=CurPos;
|
|
while (Result<=length(AFilename))
|
|
and (AFilename[Result]=PathDelim) do
|
|
inc(Result);
|
|
end;
|
|
|
|
function FindDirectoryEnd(const AFilename: string; CurPos: integer): integer;
|
|
begin
|
|
Result:=CurPos;
|
|
while (Result<=length(AFilename)) do begin
|
|
if AFilename[Result]=SpecialChar then
|
|
inc(Result,2)
|
|
else if (AFilename[Result]=PathDelim) then
|
|
break
|
|
else
|
|
inc(Result);
|
|
end;
|
|
end;
|
|
|
|
function CharsEqual(c1, c2: char): boolean;
|
|
begin
|
|
{$ifdef CaseInsensitiveFilenames}
|
|
Result:=(UpChars[c1]=UpChars[c2]);
|
|
{$else}
|
|
Result:=(c1=c2);
|
|
{$endif}
|
|
end;
|
|
|
|
var
|
|
DirStartMask, DirEndMask,
|
|
DirStartFile, DirEndFile,
|
|
AsteriskPos,
|
|
BracketMaskPos, BracketFilePos: integer;
|
|
begin
|
|
//writeln('[FilenameIsMatching] Mask="',Mask,'" Filename="',Filename,'" MatchExactly=',MatchExactly);
|
|
Result:=false;
|
|
if (Filename='') then exit;
|
|
if (Mask='') then begin
|
|
Result:=true; exit;
|
|
end;
|
|
// test every directory
|
|
DirStartMask:=1;
|
|
DirStartFile:=1;
|
|
repeat
|
|
// find start of directories
|
|
DirStartMask:=FindDirectoryStart(Mask,DirStartMask);
|
|
DirStartFile:=FindDirectoryStart(Filename,DirStartFile);
|
|
// find ends of directories
|
|
DirEndMask:=FindDirectoryEnd(Mask,DirStartMask);
|
|
DirEndFile:=FindDirectoryEnd(Filename,DirStartFile);
|
|
// writeln(' Compare "',copy(Mask,DirStartMask,DirEndMask-DirStartMask),'"',
|
|
// ' "',copy(Filename,DirStartFile,DirEndFile-DirStartFile),'"');
|
|
// compare directories
|
|
AsteriskPos:=0;
|
|
BracketMaskPos:=0;
|
|
while (DirStartMask<DirEndMask) and (DirStartFile<DirEndFile) do begin
|
|
//writeln('AAA1 ',DirStartMask,' ',Mask[DirStartMask],' - ',DirStartFile,' ',Filename[DirStartFile]);
|
|
case Mask[DirStartMask] of
|
|
'?':
|
|
begin
|
|
inc(DirStartMask);
|
|
inc(DirStartFile);
|
|
continue;
|
|
end;
|
|
'*':
|
|
begin
|
|
inc(DirStartMask);
|
|
AsteriskPos:=DirStartMask;
|
|
continue;
|
|
end;
|
|
'{':
|
|
if BracketMaskPos<1 then begin
|
|
inc(DirStartMask);
|
|
BracketMaskPos:=DirStartMask;
|
|
BracketFilePos:=DirStartFile;
|
|
continue;
|
|
end;
|
|
',':
|
|
if BracketMaskPos>0 then begin
|
|
// Bracket operator fits complete
|
|
// -> skip rest of Bracket operator
|
|
repeat
|
|
inc(DirStartMask);
|
|
if DirStartMask>=DirEndMask then exit; // error, missing }
|
|
if Mask[DirStartMask]=SpecialChar then begin
|
|
// special char -> next char is normal char
|
|
inc(DirStartMask);
|
|
end else if Mask[DirStartMask]='}' then begin
|
|
// bracket found (= end of Or operator)
|
|
inc(DirStartMask);
|
|
break;
|
|
end;
|
|
until false;
|
|
BracketMaskPos:=0;
|
|
continue;
|
|
end;
|
|
'}':
|
|
begin
|
|
if BracketMaskPos>0 then begin
|
|
// Bracket operator fits complete
|
|
inc(DirStartMask);
|
|
BracketMaskPos:=0;
|
|
continue;
|
|
end;
|
|
end;
|
|
end;
|
|
if Mask[DirStartMask]=SpecialChar then begin
|
|
inc(DirStartMask);
|
|
if (DirStartMask>=DirEndMask) then exit;
|
|
end;
|
|
// compare char
|
|
if CharsEqual(Mask[DirStartMask],Filename[DirStartFile]) then begin
|
|
inc(DirStartMask);
|
|
inc(DirStartFile);
|
|
end else begin
|
|
// chars different
|
|
if BracketMaskPos>0 then begin
|
|
// try next Or
|
|
repeat
|
|
inc(DirStartMask);
|
|
if DirStartMask>=DirEndMask then exit; // error, missing }
|
|
if Mask[DirStartMask]=SpecialChar then begin
|
|
// special char -> next char is normal char
|
|
inc(DirStartMask);
|
|
end else if Mask[DirStartMask]='}' then begin
|
|
// bracket found (= end of Or operator)
|
|
// -> filename does not match
|
|
exit;
|
|
end else if Mask[DirStartMask]=',' then begin
|
|
// next Or found
|
|
// -> reset filename position and compare
|
|
inc(DirStartMask);
|
|
DirStartFile:=BracketFilePos;
|
|
break;
|
|
end;
|
|
until false;
|
|
end else if AsteriskPos>0 then begin
|
|
// * operator always fits
|
|
inc(DirStartFile);
|
|
end else begin
|
|
// filename does not match
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
if BracketMaskPos>0 then exit;
|
|
if (DirStartMask<DirEndmask) or (DirStartFile<DirEndFile) then exit;
|
|
// find starts of next directories
|
|
DirStartMask:=DirEndMask+1;
|
|
DirStartFile:=DirEndFile+1;
|
|
until (DirStartFile>length(Filename)) or (DirStartMask>length(Mask));
|
|
|
|
DirStartMask:=FindDirectoryStart(Mask,DirStartMask);
|
|
|
|
// check that complete mask matches
|
|
Result:=(DirStartMask>length(Mask));
|
|
|
|
if MatchExactly then begin
|
|
DirStartFile:=FindDirectoryStart(Filename,DirStartFile);
|
|
// check that the complete Filename matches
|
|
Result:=(Result and (DirStartFile>length(Filename)));
|
|
end;
|
|
//writeln(' [FilenameIsMatching] Result=',Result,' ',DirStartMask,',',length(Mask),' ',DirStartFile,',',length(Filename));
|
|
end;
|
|
|
|
function CompareFileExt(const Filename, Ext: string;
|
|
CaseSensitive: boolean): integer;
|
|
var
|
|
FileLen, FilePos, ExtLen, ExtPos: integer;
|
|
FileChar, ExtChar: char;
|
|
begin
|
|
FileLen:=length(Filename);
|
|
ExtLen:=length(Ext);
|
|
FilePos:=FileLen;
|
|
while (FilePos>=1) and (Filename[FilePos]<>'.') do dec(FilePos);
|
|
if FilePos<1 then begin
|
|
// no extension in filename
|
|
Result:=1;
|
|
exit;
|
|
end;
|
|
// skip point
|
|
inc(FilePos);
|
|
ExtPos:=1;
|
|
if (ExtPos<=ExtLen) and (Ext[1]='.') then inc(ExtPos);
|
|
// compare extensions
|
|
while true do begin
|
|
if FilePos<=FileLen then begin
|
|
if ExtPos<=ExtLen then begin
|
|
FileChar:=Filename[FilePos];
|
|
ExtChar:=Ext[ExtPos];
|
|
if not CaseSensitive then begin
|
|
FileChar:=UpChars[FileChar];
|
|
ExtChar:=UpChars[ExtChar];
|
|
end;
|
|
if FileChar=ExtChar then begin
|
|
inc(FilePos);
|
|
inc(ExtPos);
|
|
end else if FileChar>ExtChar then begin
|
|
Result:=1;
|
|
exit;
|
|
end else begin
|
|
Result:=-1;
|
|
exit;
|
|
end;
|
|
end else begin
|
|
// fileext longer than ext
|
|
Result:=1;
|
|
exit;
|
|
end;
|
|
end else begin
|
|
if ExtPos<=ExtLen then begin
|
|
// fileext shorter than ext
|
|
Result:=-1;
|
|
exit;
|
|
end else begin
|
|
// equal
|
|
Result:=0;
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure InternalInit;
|
|
var
|
|
c: char;
|
|
begin
|
|
for c:=Low(char) to High(char) do begin
|
|
UpChars[c]:=upcase(c);
|
|
end;
|
|
end;
|
|
|
|
initialization
|
|
InternalInit;
|
|
|
|
|
|
end.
|
|
|
|
|