gambas-source-code/main/lib/compress/CUncompress.c
Benoît Minisini 2fbf67cb29 [CONFIGURATION]
* NEW: Update FSF address in every source file.


git-svn-id: svn://localhost/gambas/trunk@3870 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2011-06-03 00:51:09 +00:00

150 lines
4.1 KiB
C
Raw Blame History

/***************************************************************************
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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, 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
};