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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.
// =================================================================================================
#include "XMPFiles/source/NativeMetadataSupport/IMetadata.h"
//-----------------------------------------------------------------------------
//
// IMetadata::IMetadata(...)
//
// Purpose: ctor/dtor
//
//-----------------------------------------------------------------------------
IMetadata::IMetadata()
: mDirty(false)
{
}
IMetadata::~IMetadata()
{
for( ValueMap::iterator iter = mValues.begin(); iter != mValues.end(); iter++ )
{
delete iter->second;
}
}
//-----------------------------------------------------------------------------
//
// IMetadata::parse(...)
//
// Purpose: Parses the given memory block and creates a data model representation
// We assume that any metadata block is < 4GB so that we can savely use
// 32bit sizes.
// Throws exceptions if parsing is not possible
//
//-----------------------------------------------------------------------------
void IMetadata::parse( const XMP_Uns8* input, XMP_Uns64 size )
{
XMP_Throw ( "Method not implemented", kXMPErr_Unimplemented );
}
//-----------------------------------------------------------------------------
//
// IMetadata::parse(...)
//
// Purpose: Parses the given file and creates a data model representation
// Throws exceptions if parsing is not possible
//
//-----------------------------------------------------------------------------
void IMetadata::parse( XMP_IO* input )
{
XMP_Throw ( "Method not implemented", kXMPErr_Unimplemented );
}
//-----------------------------------------------------------------------------
//
// IMetadata::serialize(...)
//
// Purpose: Serializes the data model to a memory block.
// The method creates a buffer and pass it to the parameter 'buffer'.
// The callee of the method is responsible to delete the buffer later on.
// We assume that any metadata block is < 4GB so that we can savely use
// 32bit sizes.
// Throws exceptions if serializing is not possible
//
//-----------------------------------------------------------------------------
XMP_Uns64 IMetadata::serialize( XMP_Uns8** buffer )
{
XMP_Throw ( "Method not implemented", kXMPErr_Unimplemented );
}
//-----------------------------------------------------------------------------
//
// IMetadata::hasChanged(...)
//
// Purpose: Return true if any values of this container was modified
//
//-----------------------------------------------------------------------------
bool IMetadata::hasChanged() const
{
bool isDirty = mDirty;
for( ValueMap::const_iterator iter=mValues.begin(); ! isDirty && iter != mValues.end(); iter++ )
{
isDirty = iter->second->hasChanged();
}
return isDirty;
}
//-----------------------------------------------------------------------------
//
// IMetadata::resetChanges(...)
//
// Purpose: Reset dirty flag
//
//-----------------------------------------------------------------------------
void IMetadata::resetChanges()
{
mDirty = false;
for( ValueMap::iterator iter=mValues.begin(); iter != mValues.end(); iter++ )
{
iter->second->resetChanged();
}
}
//-----------------------------------------------------------------------------
//
// IMetadata::isEmpty(...)
//
// Purpose: Return true if the no metadata are available in this container
//
//-----------------------------------------------------------------------------
bool IMetadata::isEmpty() const
{
return mValues.empty();
}
//-----------------------------------------------------------------------------
//
// IMetadata::deleteValue(...)
//
// Purpose: Remove value for passed identifier
//
//-----------------------------------------------------------------------------
void IMetadata::deleteValue( XMP_Uns32 id )
{
ValueMap::iterator iterator = mValues.find( id );
if( iterator != mValues.end() )
{
delete iterator->second;
mValues.erase( iterator );
mDirty = true;
}
}
//-----------------------------------------------------------------------------
//
// IMetadata::deleteAll(...)
//
// Purpose: Remove all stored values
//
//-----------------------------------------------------------------------------
void IMetadata::deleteAll()
{
mDirty = ( mValues.size() > 0 );
for( ValueMap::iterator iter = mValues.begin(); iter != mValues.end(); iter++ )
{
delete iter->second;
}
mValues.clear();
}
//-----------------------------------------------------------------------------
//
// IMetadata::valueExists(...)
//
// Purpose: Return true if an value for the passed identifier exists
//
//-----------------------------------------------------------------------------
bool IMetadata::valueExists( XMP_Uns32 id ) const
{
ValueMap::const_iterator iterator = mValues.find( id );
return ( iterator != mValues.end() );
}
//-----------------------------------------------------------------------------
//
// IMetadata::valueChanged(...)
//
// Purpose: Return true if the value for the passed identifier was changed
//
//-----------------------------------------------------------------------------
bool IMetadata::valueChanged( XMP_Uns32 id ) const
{
ValueMap::const_iterator iterator = mValues.find( id );
if( iterator != mValues.end() )
{
return iterator->second->hasChanged();
}
return false;
}
//-----------------------------------------------------------------------------
//
// IMetadata::valueValid(...)
//
// Purpose: Return true if the value for the passed identifier is valid
//
//-----------------------------------------------------------------------------
bool IMetadata::valueValid( XMP_Uns32 id, ValueObject *value )
{
return true;
}
//-----------------------------------------------------------------------------
//
// IMetadata::valueValid(...)
//
// Purpose: Return true if the value for the passed identifier is valid
//
//-----------------------------------------------------------------------------
void IMetadata::valueModify(XMP_Uns32 id, ValueObject *value)
{
return;
}
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