usbloadergx/source/ZipFile.cpp

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/****************************************************************************
* Copyright (C) 2009
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* ZipFile.cpp
*
* ZipFile Class
* for Wii-FileXplorer 2009
*
* STILL UNCOMPLETE AND UNDER CONSTRUCTION
***************************************************************************/
#include <ogcsys.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include "prompts/ProgressWindow.h"
#include "listfiles.h"
#include "ZipFile.h"
#include "language/gettext.h"
ZipFile::ZipFile(const char *filepath)
{
File = unzOpen(filepath);
if(File)
this->LoadList();
}
ZipFile::~ZipFile()
{
unzClose(File);
}
bool ZipFile::LoadList()
{
return true;
}
bool ZipFile::ExtractAll(const char *dest)
{
if(!File)
return false;
bool Stop = false;
u32 blocksize = 1024*50;
void *buffer = malloc(blocksize);
if(!buffer)
return false;
char writepath[MAXPATHLEN];
char filename[MAXPATHLEN];
memset(filename, 0, sizeof(filename));
int ret = unzGoToFirstFile(File);
if(ret != UNZ_OK)
Stop = true;
while(!Stop)
{
if(unzGetCurrentFileInfo(File, &cur_file_info, filename, sizeof(filename), NULL, NULL, NULL, NULL) != UNZ_OK)
Stop = true;
if(!Stop && filename[strlen(filename)-1] != '/')
{
u32 uncompressed_size = cur_file_info.uncompressed_size;
u32 done = 0;
char *pointer = NULL;
ret = unzOpenCurrentFile(File);
snprintf(writepath, sizeof(writepath), "%s/%s", dest, filename);
pointer = strrchr(writepath, '/');
int position = pointer-writepath+2;
char temppath[strlen(writepath)];
snprintf(temppath, position, "%s", writepath);
subfoldercreate(temppath);
if(ret == UNZ_OK)
{
FILE *pfile = fopen(writepath, "wb");
do
{
ShowProgress(tr("Extracting files..."), 0, pointer+1, done, uncompressed_size);
if(uncompressed_size - done < blocksize)
blocksize = uncompressed_size - done;
ret = unzReadCurrentFile(File, buffer, blocksize);
if(ret == 0)
break;
fwrite(buffer, 1, blocksize, pfile);
done += ret;
} while(done < uncompressed_size);
fclose(pfile);
unzCloseCurrentFile(File);
}
}
if(unzGoToNextFile(File) != UNZ_OK)
Stop = true;
}
free(buffer);
buffer = NULL;
ProgressStop();
return true;
}