doubango/tinySIGCOMP/src/tcomp_deflatedata.c

115 lines
2.9 KiB
C
Executable File

/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 DOUBANGO.
*
*/
/**@file tcomp_compressor.h
* @brief SigComp Deflate compressor(Compressor data).
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
*/
#include "tcomp_deflatedata.h"
#include "tsk_debug.h"
tcomp_deflatedata_t* tcomp_deflatedata_create_2(tsk_bool_t isStream, int z_level, int z_windowBits)
{
tcomp_deflatedata_t *deflatedata;
if((deflatedata = tsk_object_new(tcomp_deflatedata_def_t))) {
deflatedata->isStream = isStream;
deflatedata->zLevel = z_level;
deflatedata->zWindowBits = z_windowBits;
}
else {
TSK_DEBUG_ERROR("Null SigComp defalte data.");
}
return deflatedata;
}
tcomp_deflatedata_t* tcomp_deflatedata_create(tsk_bool_t isStream, tsk_bool_t useOnlyACKedStates)
{
tcomp_deflatedata_t* deflatedata;
if((deflatedata = tcomp_deflatedata_create_2(isStream, Z_BEST_COMPRESSION, Z_DEFAULT_WINDOW_BITS))) {
deflatedata->useOnlyACKedStates = useOnlyACKedStates;
}
return deflatedata;
}
tsk_bool_t tcomp_deflatedata_isStateful(tcomp_deflatedata_t *deflatedata)
{
if(!deflatedata) {
TSK_DEBUG_ERROR("NULL defalte data.");
return tsk_false;
}
return deflatedata->stream_acked.stateful;
}
//========================================================
// Deflate compressor data object definition
//
static void* tcomp_deflatedata_ctor(void * self, va_list * app)
{
tcomp_deflatedata_t *deflatedata = self;
if(deflatedata) {
/* Initialize safeobject */
tsk_safeobj_init(deflatedata);
}
return self;
}
static void* tcomp_deflatedata_dtor(void *self)
{
tcomp_deflatedata_t *deflatedata = self;
if(deflatedata) {
/* Deinitialize safeobject */
tsk_safeobj_deinit(deflatedata);
TSK_OBJECT_SAFE_FREE(deflatedata->ghostState);
tcomp_deflatedata_zUnInit(deflatedata);
}
else {
TSK_DEBUG_ERROR("Null SigComp defalte data.");
}
return self;
}
static const tsk_object_def_t tsk_deflatedata_def_s = {
sizeof(tcomp_deflatedata_t),
tcomp_deflatedata_ctor,
tcomp_deflatedata_dtor,
tsk_null,
};
const tsk_object_def_t *tcomp_deflatedata_def_t = &tsk_deflatedata_def_s;