/usr/lib/lazarus/0.9.30.4/tools/lrstolfm.lpr is in lazarus-src-0.9.30.4 0.9.30.4-6.
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***************************************************************************
* *
* 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. *
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* A copy of the GNU General Public License is available on the World *
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************
Author: Mattias Gaertner
Name:
lrstolfm - shows the lfm contents of a lrs file.
Synopsis:
lrstolfm resourcefilename [resourcename]
Description:
lrstolfm reads the given lrs file. If resource name is given as second
parameter this resource is searched, otherwise the first entry.
}
program lrstolfm;
{$mode objfpc}{$H+}
uses
Classes, SysUtils, LResources, FileUtil;
function FindResourceInLRS(const ResourceName: string; List: TStrings): integer;
const
Pattern = 'LazarusResources.Add(''';
var
Line: string;
s: String;
begin
Result:=0;
while (Result<List.Count) do begin
Line:=List[Result];
if (length(Line)>length(Pattern))
and ((strlcomp(PChar(Line),Pattern,length(Pattern)))=0) then begin
if (ResourceName='') then
exit;
s:=Pattern+ResourceName+''',';
if (strlcomp(PChar(Line),PChar(s),length(s))=0) then
exit;
end;
inc(Result);
end;
Result:=-1;
end;
function ExtractResource(HeaderIndex: integer; LRS: TStrings): TMemoryStream;
var
i: LongInt;
p: Integer;
Line: string;
StartPos: LongInt;
CharID: Integer;
c: Char;
begin
Result:=TMemoryStream.Create;
i:=HeaderIndex+1;
while (i<LRS.Count) do begin
Line:=LRS[i];
if (Line<>'') and (Line[1]=']') then exit;// found the end of this resource
p:=1;
while (p<=length(Line)) do begin
case Line[p] of
'''':
// string constant
begin
inc(p);
while p<=length(Line) do begin
if Line[p]<>'''' then begin
// read normal characters
StartPos:=p;
while (p<=length(Line)) and (Line[p]<>'''') do inc(p);
Result.Write(Line[StartPos],p-StartPos);
end else if (p<length(Line)) and (Line[p+1]='''') then begin
// read '
Result.Write(Line[p],1);
inc(p,2);
end else begin
// end of string constant found
inc(p);
break;
end;
end;
end;
'#':
// special character
begin
inc(p);
CharID:=0;
while (p<=length(Line)) and (Line[p] in ['0'..'9']) do begin
CharID:=CharID*10+ord(Line[p])-ord('0');
inc(p);
end;
c:=chr(CharID);
Result.Write(c,1);
end;
else
inc(p);
end;
end;
inc(i);
end;
end;
var
LRSFilename: String;
ResourceName: String;
LRS: TStringList;
ResourceHeader: LongInt;
ObjResource: TMemoryStream;
TextResource: TMemoryStream;
LFMText: string;
begin
if (ParamCount<1) or (ParamCount>2) then begin
writeln('Usage: ',ExtractFileName(ParamStr(0))
,' resourcefilename [resourcename]');
exit;
end;
LRSFilename:=ParamStr(1);
ResourceName:='';
if ParamCount>=2 then
ResourceName:=ParamStr(2);
LRS:=TStringList.Create;
LRS.LoadFromFile(LRSFilename);
// find resource
ResourceHeader:=FindResourceInLRS(ResourceName,LRS);
if ResourceHeader<0 then
raise Exception.Create('resource not found: '+ResourceName);
// convert lrs format to binary format
ObjResource:=ExtractResource(ResourceHeader,LRS);
// convert binary format to lfm format
TextResource:=TMemoryStream.Create;
ObjResource.Position:=0;
LRSObjectBinaryToText(ObjResource,TextResource);
// write to stdout
TextResource.Position:=0;
SetLength(LFMText,TextResource.Size);
TextResource.Read(LFMText[1],length(LFMText));
write(LFMText);
TextResource.Free;
ObjResource.Free;
LRS.Free;
end.
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