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// =================================================================================================
// Copyright Adobe
// Copyright 2010 Adobe
// All Rights Reserved
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance with the terms
// of the Adobe license agreement accompanying it.
// =================================================================================================
#ifndef _MetadataSet_h_
#define _MetadataSet_h_
#include "public/include/XMP_Environment.h" // ! This must be the first include.
#include "public/include/XMP_Const.h"
#include <vector>
/**
The class MetadataSet acts as a container for any metadata that base on
the interface IMeta.
*/
class IMetadata;
class MetadataSet
{
public:
/**
ctor/dtor
*/
MetadataSet ();
~MetadataSet ();
/**
Append metadata container
@param meta Metadata container
*/
void append ( IMetadata* meta );
/**
Remove metadata container at passed position
@param pos Position inside the vector of metadata
*/
void removeAt ( XMP_Uns32 pos );
/**
Remove the last metadata container inside the vector
*/
void remove ();
/**
Return the number of stored metadata container
@return length of vector
*/
XMP_Uns32 length () const;
/**
Return metadata container of passed position.
@param pos Position inside of the vector of metadata
*/
IMetadata* getAt ( XMP_Uns32 pos ) const;
/**
Return metadata container of passed type
@return stored metadata container of type T
*/
template<class T> T* get () const;
private:
std::vector<IMetadata*>* mMeta;
typedef std::vector<IMetadata*>::iterator MetaIterator;
}; // MetadataSet
template<class T> T* MetadataSet::get() const
{
T* ret = NULL;
if( mMeta != NULL )
{
for( MetaIterator iter = mMeta->begin(); iter != mMeta->end(); iter++ )
{
T* tmp = dynamic_cast<T*>( *iter );
if( tmp != NULL )
{
ret = tmp;
break;
}
}
}
return ret;
}
#endif
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