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forked from metin2/client
client/src/EterPack/ZIP.cpp

97 lines
2.2 KiB
C++

#include "ZIP.h"
#include "EterPackManager.h"
#include <iostream>
#include <fstream>
#include <Windows.h>
#include "../eterBase/Stl.h"
ZIP::ZIP(const std::string& archivePath)
{
int err;
if ((zipFile = zip_open(archivePath.c_str(), 0, &err)) == NULL) {
zip_error_t error;
zip_error_init_with_code(&error, err);
std::string errorMessage = zip_error_strerror(&error);
zip_error_fini(&error);
throw std::runtime_error("Cannot open ZIP archive '" + archivePath + "': " + errorMessage);
}
// Read the list of files in the archive
zip_int64_t numEntries = zip_get_num_entries(zipFile, 0);
for (int index = 0; index < numEntries; index++)
{
zip_stat_t fileData;
zip_stat_index(zipFile, index, 0, &fileData);
std::string fileName(fileData.name);
if (fileData.size == 0) {
// This is a folder, skip it
continue;
}
if (fileName.rfind("ymir work/", 0) == 0) {
fileName = "d:/" + fileName;
}
fileName = CEterPackManager::Instance().ConvertFileName(fileName);
fileList.insert({ fileName, fileData.index });
}
}
ZIP::~ZIP()
{
zip_close(zipFile);
zipFile = nullptr;
}
std::vector<std::string> ZIP::listFiles()
{
std::vector<std::string> result;
for (auto const& file : fileList)
result.push_back(file.first);
return result;
}
bool ZIP::fileExists(const std::string& fileName)
{
auto it = fileList.find(fileName);
if (it == fileList.end())
return false;
return true;
}
bool ZIP::getFile(const std::string& fileName, std::shared_ptr<std::vector<char>>& fileData)
{
auto it = fileList.find(fileName);
if (it == fileList.end())
return false;
auto file = zip_fopen_index(zipFile, it->second, 0);
if (file == NULL)
return false;
zip_stat_t fileInfo;
zip_stat_index(zipFile, it->second, 0, &fileInfo);
// Initialize the buffer
fileData = std::make_shared<std::vector<char>>(fileInfo.size);
// Attempt to read the data into the buffer
auto retval = zip_fread(file, fileData->data(), fileData->size());
// Close the file
zip_fclose(file);
if (retval == -1)
return false;
return true;
}