DAFFMetadataImpl.h

Go to the documentation of this file.

/*
 * -------------------------------------------------------------------------------------
 *
 *  OpenDAFF - A free, open source software package for directional audio data
 *  Copyright 2016 Institute of Technical Acoustics, RWTH Aachen University
 *  OpenDAFF is distributed under the Apache License Version 2.0.
 *
 *  ------------------------------------------------------------------------------------
 *
 */

#ifndef IW_DAFF_METADATAIMPL
#define IW_DAFF_METADATAIMPL

#include <DAFFMetadata.h>
#include <map>

// Forward declarations
class DAFFMetadataKey;

class DAFFMetadataImpl : public DAFFMetadata
{
public:
    DAFFMetadataImpl();
    ~DAFFMetadataImpl();

    // Load data from a buffer
    int load( void* pData, size_t &iBytesRead );

    // --= Implementation of the interface "DAFFMetadata" =--

    bool isEmpty() const;
    bool hasKey(const std::string& sKey) const;
    void getKeys(std::vector< std::string >& vsKeyList) const;
    int getKeyType(const std::string& sKey) const;
    std::string getKeyString(const std::string& sKey) const;
    bool getKeyBool(const std::string& sKey) const;
    int getKeyInt(const std::string& sKey) const;
    double getKeyFloat(const std::string& sKey) const;

    std::string toString() const;

private:
    typedef std::pair<std::string, DAFFMetadataKey*> KeyPair;
    typedef std::map<std::string, DAFFMetadataKey*> KeyMap;
    typedef std::map<std::string, DAFFMetadataKey*>::const_iterator KeyMapConstIterator;

    KeyMap m_mKeys;

    void insertKey(const std::string& sName, DAFFMetadataKey* pKey);

    const DAFFMetadataKey* findKey(const std::string& sKey) const;

    static void deleteMetadataKeyPair(const KeyPair& pKeyPair);
};

#endif // IW_DAFF_METADATAIMPL