file_index.hpp

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/*
 * Copyright 2015, alex at staticlibs.net
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* 
 * File:   file_index.hpp
 * Author: alex
 *
 * Created on October 8, 2015, 6:58 PM
 */

#ifndef STATICLIB_UNZIP_FILE_INDEX_HPP
#define STATICLIB_UNZIP_FILE_INDEX_HPP

#include <string>
#include <utility>
#include <vector>
#include <cstdint>

#include "staticlib/pimpl.hpp"

// do not includes zlib.h
#include "staticlib/compress/zip_compression_method.hpp"

namespace staticlib {
namespace unzip {

struct file_entry {
    int32_t offset = -1;
    int32_t comp_length = -1;
    int32_t uncomp_length = -1;
    uint16_t comp_method = 0;

    file_entry() { }

    file_entry(int32_t offset, int32_t comp_length, int32_t uncomp_length, uint16_t comp_method) :
    offset(offset),
    comp_length(comp_length),
    uncomp_length(uncomp_length),
    comp_method(comp_method) { }

    bool is_empty() {
        return -1 == offset;
    }
};

class file_index : public sl::pimpl::object {
protected:
    class impl;
public:
    PIMPL_CONSTRUCTOR(file_index)

    
    file_index(std::string zip_file_path);

    file_entry find_zip_entry(const std::string& name) const;
    
    const std::string& get_zip_file_path() const;
 
    const std::vector<std::string>& get_entries() const;
};

} // namespace
}

#endif /* STATICLIB_UNZIP_FILE_INDEX_HPP */