4a544c567a
* BUG: Use GB.ReturnNewZeroString() instead of GB.ReturnNewString() now. All components using the old syntax should be fixed now. * NEW: Start to manage structures. git-svn-id: svn://localhost/gambas/trunk@2957 867c0c6c-44f3-4631-809d-bfa615b0a4ec
149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
/***************************************************************************
|
||
|
||
CUncompress.c
|
||
|
||
(c) 2003-2004 Daniel Campos Fern<72>dez <danielcampos@netcourrier.com>
|
||
|
||
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, 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.
|
||
|
||
***************************************************************************/
|
||
|
||
#define __CUNCOMPRESS_C
|
||
|
||
#include "CUncompress.h"
|
||
#include "main.h"
|
||
#include <stdio.h>
|
||
|
||
#define Check_Driver() if (!THIS->driver) { GB.Error("No driver specified"); return; }
|
||
|
||
|
||
//*************************************************************************
|
||
//#################### INITIALIZATION AND DESTRUCTION #####################
|
||
//*************************************************************************
|
||
/*************************************************
|
||
Class "Constructor"
|
||
*************************************************/
|
||
BEGIN_METHOD_VOID(CUNCOMPRESS_init)
|
||
|
||
|
||
|
||
END_METHOD
|
||
/*************************************************
|
||
Class "Destructor"
|
||
*************************************************/
|
||
BEGIN_METHOD_VOID(CUNCOMPRESS_exit)
|
||
|
||
|
||
|
||
END_METHOD
|
||
/*************************************************
|
||
Gambas object "Constructor"
|
||
*************************************************/
|
||
BEGIN_METHOD_VOID(CUNCOMPRESS_new)
|
||
|
||
THIS->driver=NULL;
|
||
THIS->stream.desc=NULL;
|
||
|
||
END_METHOD
|
||
/*************************************************
|
||
Gambas object "Destructor"
|
||
*************************************************/
|
||
BEGIN_METHOD_VOID(CUNCOMPRESS_free)
|
||
|
||
if (THIS->stream.desc && THIS->driver) THIS->driver->Compress.Close(&THIS->stream);
|
||
|
||
END_METHOD
|
||
|
||
BEGIN_METHOD (CUNCOMPRESS_File,GB_STRING Source;GB_STRING Target;)
|
||
|
||
Check_Driver();
|
||
THIS->driver->Uncompress.File(STRING(Source),STRING(Target));
|
||
|
||
END_METHOD
|
||
|
||
BEGIN_METHOD (CUNCOMPRESS_String,GB_STRING Source;)
|
||
|
||
char *target=NULL;
|
||
unsigned int lent=0;
|
||
|
||
Check_Driver();
|
||
if (!LENGTH(Source)) { GB.ReturnNull(); return; }
|
||
|
||
THIS->driver->Uncompress.String(&target,&lent,STRING(Source),LENGTH(Source));
|
||
|
||
if (!lent) GB.ReturnNull();
|
||
GB.ReturnNewString (target,lent);
|
||
GB.Free(POINTER(&target));
|
||
|
||
END_METHOD
|
||
|
||
BEGIN_METHOD (CUNCOMPRESS_Open,GB_STRING Path;)
|
||
|
||
|
||
Check_Driver();
|
||
|
||
if (THIS->stream.desc) { GB.Error ("File is already opened"); return; }
|
||
|
||
THIS->driver->Uncompress.Open(STRING(Path),&THIS->stream);
|
||
|
||
END_METHOD
|
||
|
||
BEGIN_PROPERTY (CUNCOMPRESS_Type)
|
||
|
||
if (READ_PROPERTY)
|
||
{
|
||
if (!THIS->driver)
|
||
{
|
||
GB.ReturnNull();
|
||
return;
|
||
}
|
||
GB.ReturnNewZeroString(THIS->driver->name);
|
||
return;
|
||
}
|
||
|
||
if (THIS->stream.desc) { GB.Error("Type can not be changed while the stream is opened"); return; }
|
||
if (!PROP(GB_STRING)) { GB.Error("Invalid driver name"); return; }
|
||
|
||
if (!(THIS->driver=COMPRESS_GetDriver(GB.ToZeroString(PROP(GB_STRING)))) )
|
||
{
|
||
GB.Error("Cannot find driver &1", GB.ToZeroString(PROP(GB_STRING)));
|
||
}
|
||
|
||
END_PROPERTY
|
||
|
||
/*******************************************************************
|
||
Interface declaration
|
||
*******************************************************************/
|
||
GB_DESC CUncompressDesc[] =
|
||
{
|
||
|
||
GB_DECLARE("Uncompress", sizeof(CUNCOMPRESS)),
|
||
|
||
GB_INHERITS("Stream"),
|
||
|
||
GB_PROPERTY("Type","s",CUNCOMPRESS_Type),
|
||
|
||
GB_STATIC_METHOD("_init", NULL, CUNCOMPRESS_init, NULL),
|
||
GB_STATIC_METHOD("_exit", NULL, CUNCOMPRESS_exit, NULL),
|
||
GB_METHOD("_new", NULL, CUNCOMPRESS_new, NULL),
|
||
GB_METHOD("_free", NULL, CUNCOMPRESS_free, NULL),
|
||
|
||
GB_METHOD("String","s",CUNCOMPRESS_String,"(Source)s"),
|
||
GB_METHOD("File",NULL,CUNCOMPRESS_File,"(Source)s(Target)s"),
|
||
GB_METHOD("Open",NULL,CUNCOMPRESS_Open,"(Path)s"),
|
||
|
||
GB_END_DECLARE
|
||
};
|
||
|