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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. *
* *
* 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
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;
procedure FindResourceInLRS(List: TStrings; var ResourceName: string; var Index: Integer; out ResType: String);
const
Pattern = 'LazarusResources.Add(''';
var
Line,
ResName: String;
begin
while (Index < List.Count) do
begin
Line := List[Index];
if (Length(Line) > Length(Pattern)) and
(Pos(Pattern, Line) = 1) then
begin
Delete(Line, 1, Length(Pattern));
ResName := Copy(Line, 1, Pos(''',''', Line) - 1);
if (ResourceName <> '') and (ResName <> ResourceName) then
Continue;
ResourceName := ResName;
Delete(Line, 1, Length(ResName) + 3);
ResType := Copy(Line, 1, Pos(''',[', Line) - 1);
Exit;
end;
Inc(Index);
end;
Index := -1;
end;
function ExtractResource(LRS: TStrings; var Index: integer): TMemoryStream;
var
p: Integer;
Line: string;
StartPos: LongInt;
CharID: Integer;
c: Char;
begin
Result:=TMemoryStream.Create;
inc(Index);
while (Index < LRS.Count) do
begin
Line := LRS[Index];
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(Index);
end;
end;
var
LRSFilename, ResText,
ResourceName, ResourceType: String;
ResourceHeader: LongInt;
LRS: TStringList;
ObjResource, TextResource: TMemoryStream;
FileStream: TFileStream;
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);
ResourceHeader := 0;
if ResourceName = '@' then
begin
while True do
begin
// find resource
ResourceName := '';
FindResourceInLRS(LRS, ResourceName, ResourceHeader, ResourceType);
if ResourceHeader < 0 then
break;
ObjResource := ExtractResource(LRS, ResourceHeader);
ObjResource.Position := 0;
FileStream := TFileStream.Create(ResourceName + '.' + ResourceType, fmCreate);
try
FileStream.CopyFrom(ObjResource, ObjResource.Size);
finally
FileStream.Free;
end;
ObjResource.Free;
end;
end
else
begin
// find resource
FindResourceInLRS(LRS, ResourceName, ResourceHeader, ResourceType);
if ResourceHeader < 0 then
raise Exception.Create('Resource not found: ' + ResourceName);
// convert lrs format to binary format
ObjResource := ExtractResource(LRS, ResourceHeader);
ObjResource.Position := 0;
// convert binary format to lfm format
TextResource := TMemoryStream.Create;
LRSObjectBinaryToText(ObjResource, TextResource);
// write to stdout
TextResource.Position := 0;
SetLength(ResText, TextResource.Size);
TextResource.Read(ResText[1], Length(ResText));
Write(ResText);
TextResource.Free;
ObjResource.Free;
end;
LRS.Free;
end.
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