91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
/*
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Created on: Nov 23, 2018
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Copyright 2018 flyinghead
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This file is part of reicast.
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reicast is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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reicast is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with reicast. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "ZipArchive.h"
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ZipArchive::~ZipArchive()
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{
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zip_close(zip);
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}
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bool ZipArchive::Open(const char* path)
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{
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FILE *file = nowide::fopen(path, "rb");
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if (file == nullptr)
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return false;
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zip_error_t error;
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zip_source_t *source = zip_source_filep_create(file, 0, -1, &error);
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if (source == nullptr)
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{
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std::fclose(file);
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return false;
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}
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zip = zip_open_from_source(source, 0, NULL);
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if (zip == nullptr)
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zip_source_free(source);
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return zip != nullptr;
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}
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ArchiveFile* ZipArchive::OpenFile(const char* name)
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{
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zip_file *zip_file = zip_fopen(zip, name, 0);
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if (zip_file == NULL)
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return NULL;
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return new ZipArchiveFile(zip_file);
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}
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struct zip_file *zip_fopen_by_crc(struct zip *za, u32 crc, int flags)
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{
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int i, n;
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struct zip_stat stat;
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if (crc == 0) {
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return NULL;
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}
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n = zip_get_num_files(za);
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for (i = 0; i < n; i++) {
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if (zip_stat_index(za, i, flags, &stat) < -1) {
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return NULL;
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}
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if (stat.crc == crc) {
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return zip_fopen_index(za, i, flags);
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}
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}
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return NULL;
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}
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ArchiveFile* ZipArchive::OpenFileByCrc(u32 crc)
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{
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zip_file *zip_file = zip_fopen_by_crc(zip, crc, 0);
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if (zip_file == NULL)
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return NULL;
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return new ZipArchiveFile(zip_file);
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}
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u32 ZipArchiveFile::Read(void* buffer, u32 length)
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{
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return zip_fread(zip_file, buffer, length);
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}
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