127 lines
4.8 KiB
C++
127 lines
4.8 KiB
C++
/**************************************************************************/
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/* zip_packer.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "zip_packer.h"
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#include "core/io/zip_io.h"
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#include "core/os/os.h"
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Error ZIPPacker::open(const String &p_path, ZipAppend p_append) {
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if (fa.is_valid()) {
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close();
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}
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zlib_filefunc_def io = zipio_create_io(&fa);
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zf = zipOpen2(p_path.utf8().get_data(), p_append, nullptr, &io);
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return zf != nullptr ? OK : FAILED;
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}
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Error ZIPPacker::close() {
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ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker cannot be closed because it is not open.");
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Error err = zipClose(zf, nullptr) == ZIP_OK ? OK : FAILED;
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if (err == OK) {
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DEV_ASSERT(fa == nullptr);
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zf = nullptr;
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}
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return err;
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}
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Error ZIPPacker::start_file(const String &p_path) {
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ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker must be opened before use.");
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zip_fileinfo zipfi;
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OS::DateTime time = OS::get_singleton()->get_datetime();
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zipfi.tmz_date.tm_sec = time.second;
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zipfi.tmz_date.tm_min = time.minute;
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zipfi.tmz_date.tm_hour = time.hour;
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zipfi.tmz_date.tm_mday = time.day;
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zipfi.tmz_date.tm_mon = time.month - 1;
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zipfi.tmz_date.tm_year = time.year;
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zipfi.dosDate = 0;
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zipfi.internal_fa = 0;
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zipfi.external_fa = 0;
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int err = zipOpenNewFileInZip4(zf,
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p_path.utf8().get_data(),
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&zipfi,
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nullptr,
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0,
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nullptr,
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0,
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nullptr,
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Z_DEFLATED,
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Z_DEFAULT_COMPRESSION,
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0,
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-MAX_WBITS,
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DEF_MEM_LEVEL,
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Z_DEFAULT_STRATEGY,
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nullptr,
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0,
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0x0314, // "version made by", 0x03 - Unix, 0x14 - ZIP specification version 2.0, required to store Unix file permissions.
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1 << 11); // Bit 11 is the language encoding flag. When set, filename and comment fields must be encoded using UTF-8.
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return err == ZIP_OK ? OK : FAILED;
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}
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Error ZIPPacker::write_file(const Vector<uint8_t> &p_data) {
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ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker must be opened before use.");
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return zipWriteInFileInZip(zf, p_data.ptr(), p_data.size()) == ZIP_OK ? OK : FAILED;
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}
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Error ZIPPacker::close_file() {
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ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker must be opened before use.");
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return zipCloseFileInZip(zf) == ZIP_OK ? OK : FAILED;
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}
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void ZIPPacker::_bind_methods() {
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ClassDB::bind_method(D_METHOD("open", "path", "append"), &ZIPPacker::open, DEFVAL(Variant(APPEND_CREATE)));
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ClassDB::bind_method(D_METHOD("start_file", "path"), &ZIPPacker::start_file);
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ClassDB::bind_method(D_METHOD("write_file", "data"), &ZIPPacker::write_file);
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ClassDB::bind_method(D_METHOD("close_file"), &ZIPPacker::close_file);
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ClassDB::bind_method(D_METHOD("close"), &ZIPPacker::close);
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BIND_ENUM_CONSTANT(APPEND_CREATE);
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BIND_ENUM_CONSTANT(APPEND_CREATEAFTER);
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BIND_ENUM_CONSTANT(APPEND_ADDINZIP);
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}
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ZIPPacker::ZIPPacker() {}
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ZIPPacker::~ZIPPacker() {
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if (fa.is_valid()) {
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close();
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}
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}
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