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#include "ZWrapper.h"
#include <filesystem>
#include <iostream>
#include <fstream>
#include <cstring>
#include <stdexcept>
#include "spdlog/spdlog.h"
#include <Companion.h>
#include <miniz/zip_file.hpp>
namespace fs = std::filesystem;
ZWrapper::ZWrapper(const std::string& path) {
this->mPath = path;
this->mTempPath = path + ".tmp";
}
ZWrapper::~ZWrapper() {
if (this->mZip != nullptr) {
if (this->mOpen) {
mz_zip_writer_end(reinterpret_cast<mz_zip_archive*>(this->mZip));
}
delete reinterpret_cast<mz_zip_archive*>(this->mZip);
this->mZip = nullptr;
}
if (!this->mFinalized) {
std::error_code ec;
fs::remove(this->mTempPath, ec);
}
}
int32_t ZWrapper::CreateArchive(void) {
auto* zip = new mz_zip_archive;
std::memset(zip, 0, sizeof(mz_zip_archive));
if (!mz_zip_writer_init_file(zip, this->mTempPath.c_str(), 0)) {
delete zip;
throw std::runtime_error("[ZWrapper] Could not open '" + this->mTempPath + "' for writing");
}
this->mZip = reinterpret_cast<mz_zip_archive_tag*>(zip);
this->mOpen = true;
SPDLOG_INFO("Loaded ZIP (O2R) archive: {}", this->mPath.c_str());
return 0;
}
bool ZWrapper::AddFile(const std::string& path, std::vector<char> data) {
const size_t fileSize = data.size();
if (Companion::Instance != nullptr && Companion::Instance->IsDebug()) {
SPDLOG_INFO("Creating debug file: debug/{}", path);
std::string dpath = "debug/" + path;
if (!fs::exists(fs::path(dpath).parent_path())) {
fs::create_directories(fs::path(dpath).parent_path());
}
std::ofstream stream(dpath, std::ios::binary);
stream.write(data.data(), fileSize);
stream.close();
}
if (this->mZip == nullptr || !this->mOpen) {
throw std::runtime_error("[ZWrapper] Cannot add '" + path + "': the archive is not open");
}
std::lock_guard<std::mutex> guard(this->mMutex);
if (!mz_zip_writer_add_mem(reinterpret_cast<mz_zip_archive*>(this->mZip), path.c_str(), data.data(), fileSize,
MZ_BEST_COMPRESSION)) {
// miniz's own error says nothing useful, so log which entry blew up and how big.
SPDLOG_ERROR("[ZWrapper] Failed to add '{}' ({} bytes)", path, fileSize);
throw std::runtime_error("[ZWrapper] Failed to add '" + path + "'");
}
return true;
}
int32_t ZWrapper::Close(void) {
if (this->mZip == nullptr || !this->mOpen) {
return -1;
}
auto* zip = reinterpret_cast<mz_zip_archive*>(this->mZip);
const bool finalized = mz_zip_writer_finalize_archive(zip);
mz_zip_writer_end(zip);
this->mOpen = false;
if (!finalized) {
throw std::runtime_error("[ZWrapper] Failed to finalize '" + this->mPath + "'");
}
std::error_code ec;
fs::rename(this->mTempPath, this->mPath, ec);
if (ec) {
throw std::runtime_error("[ZWrapper] Could not move '" + this->mTempPath + "' to '" + this->mPath +
"': " + ec.message());
}
this->mFinalized = true;
return 0;
}
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