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 "FileOperations/fileops.h"
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#include "ZipFile.h"
#include "language/gettext.h"
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ZipFile::ZipFile(const char *filepath)
{
File = unzOpen(filepath);
if (File) this->LoadList();
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}
ZipFile::~ZipFile()
{
unzClose(File);
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}
bool ZipFile::LoadList()
{
return true;
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}
bool ZipFile::FindFile(const char *file)
{
if (!File) return false;
char filename[MAXPATHLEN];
int ret = unzGoToFirstFile(File);
if (ret != UNZ_OK) return false;
do
{
if(unzGetCurrentFileInfo(File, &cur_file_info, filename, sizeof(filename), NULL, 0, NULL, 0) != UNZ_OK)
continue;
const char *realfilename = strrchr(filename, '/');
if(!realfilename || strlen(realfilename) == 0)
realfilename = filename;
if(strcasecmp(realfilename, file) == 0)
return true;
}
while(unzGoToNextFile(File) == UNZ_OK);
return false;
}
bool ZipFile::FindFilePart(const char *partfilename, std::string &realname)
{
if (!File) return false;
char filename[MAXPATHLEN];
int ret = unzGoToFirstFile(File);
if (ret != UNZ_OK) return false;
do
{
if(unzGetCurrentFileInfo(File, &cur_file_info, filename, sizeof(filename), NULL, 0, NULL, 0) != UNZ_OK)
continue;
if(strcasestr(filename, partfilename) != 0)
{
realname = filename;
return true;
}
}
while(unzGoToNextFile(File) == UNZ_OK);
return false;
}
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bool ZipFile::ExtractAll(const char *dest)
{
if (!File) return false;
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bool Stop = false;
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u32 blocksize = 1024 * 50;
u8 *buffer = new u8[blocksize];
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if (!buffer) return false;
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char writepath[MAXPATHLEN];
char filename[MAXPATHLEN];
memset(filename, 0, sizeof(filename));
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int ret = unzGoToFirstFile(File);
if (ret != UNZ_OK) Stop = true;
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while (!Stop)
{
if (unzGetCurrentFileInfo(File, &cur_file_info, filename, sizeof(filename), NULL, 0, NULL, 0) != UNZ_OK) Stop
= true;
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if (!Stop && filename[strlen(filename) - 1] != '/')
{
u32 uncompressed_size = cur_file_info.uncompressed_size;
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u32 done = 0;
char *pointer = NULL;
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ret = unzOpenCurrentFile(File);
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snprintf(writepath, sizeof(writepath), "%s/%s", dest, filename);
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pointer = strrchr(writepath, '/');
int position = pointer - writepath + 2;
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char temppath[strlen(writepath)];
snprintf(temppath, position, "%s", writepath);
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CreateSubfolder(temppath);
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if (ret == UNZ_OK)
{
FILE *pfile = fopen(writepath, "wb");
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do
{
ShowProgress(tr( "Extracting files..." ), 0, pointer + 1, done, uncompressed_size, true);
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if (uncompressed_size - done < blocksize) blocksize = uncompressed_size - done;
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ret = unzReadCurrentFile(File, buffer, blocksize);
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if (ret == 0) break;
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fwrite(buffer, 1, blocksize, pfile);
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done += ret;
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} while (done < uncompressed_size);
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fclose(pfile);
unzCloseCurrentFile(File);
}
}
if (unzGoToNextFile(File) != UNZ_OK) Stop = true;
}
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delete[] buffer;
buffer = NULL;
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ProgressStop();
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return true;
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}