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/*
Copyright (C) 2020-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "dcpomatic_assert.h"
#include "exceptions.h"
#include "zipper.h"
#include <dcp/filesystem.h>
#include <zip.h>
#include <boost/filesystem.hpp>
#include <stdexcept>
using std::runtime_error;
using std::shared_ptr;
using std::string;
Zipper::Zipper(boost::filesystem::path file)
{
int error;
_zip = zip_open(dcp::filesystem::fix_long_path(file).string().c_str(), ZIP_CREATE | ZIP_EXCL, &error);
if (!_zip) {
if (error == ZIP_ER_EXISTS) {
throw FileError("ZIP file already exists", file);
}
throw FileError("could not create ZIP file", file);
}
}
void
Zipper::add(string name, string content)
{
shared_ptr<string> copy(new string(content));
_store.push_back(copy);
auto source = zip_source_buffer(_zip, copy->c_str(), copy->length(), 0);
if (!source) {
throw runtime_error("could not create ZIP source");
}
#ifdef DCPOMATIC_HAVE_ZIP_FILE_ADD
if (zip_file_add(_zip, name.c_str(), source, ZIP_FL_ENC_GUESS) == -1) {
#else
if (zip_add(_zip, name.c_str(), source) == -1) {
#endif
throw runtime_error(fmt::format("failed to add data to ZIP archive ({})", zip_strerror(_zip)));
}
}
void
Zipper::close()
{
if (zip_close(_zip) == -1) {
throw runtime_error("failed to close ZIP archive");
}
_zip = 0;
}
Zipper::~Zipper()
{
if (_zip) {
zip_close(_zip);
}
}
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