/*
 * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef FILESTREAM_H
#define FILESTREAM_H

#include "declarations.h"

struct PHYSFS_File;

class FileStream
{
    enum  {
        NODE_START = 0xFE,
        NODE_END = 0xFF,
        ESCAPE_CHAR = 0xFD,
    };

protected:
    FileStream(const std::string& name, PHYSFS_File *fileHandle);

    friend class ResourceManager;

public:
    ~FileStream();

    void cache();
    bool close();
    bool flush();
    bool write(void *buffer, int count);
    int read(void *buffer, int size, int nmemb = 1);
    bool seek(int pos);
    int size();
    int tell();
    std::string name() { return m_name; }

    std::string readAll();

    uint8 getU8();
    uint16 getU16();
    uint32 getU32();
    uint64 getU64();
    std::string getString();
    void addU8(uint8 v);
    void addU16(uint8 v);
    void addU32(uint8 v);
    void addU64(uint8 v);

    uint8 readFirstNode(uint32& type);
    uint8 readNextNode(uint8 oldNode, uint32& type);

private:
    std::string m_name;
    PHYSFS_File *m_fileHandle;

    std::vector<uint8_t> m_cacheBuffer;
    uint m_cacheReadPos;
};

#endif