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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/FormatSupport/IFF/ChunkPath.h"
#include "source/XMP_LibUtils.hpp"
#include <vector>
using namespace IFF_RIFF;
typedef std::vector<ChunkIdentifier>::size_type ChunkSizeType;
//-----------------------------------------------------------------------------
//
// ChunkPath::ChunkPath(...)
//
// Purpose: ctor/dtor
//
//-----------------------------------------------------------------------------
ChunkPath::ChunkPath( const ChunkIdentifier* path /*= NULL*/, XMP_Uns32 size /*=0*/ )
{
if( path != NULL )
{
for( XMP_Uns32 i=0; i<size; i++ )
{
this->append( path[i] );
}
}
}
ChunkPath::ChunkPath( const ChunkPath& path )
{
for( XMP_Int32 i=0; i<path.length(); i++ )
{
this->append( path.identifier(i) );
}
}
ChunkPath::ChunkPath( const ChunkIdentifier& identifier )
{
this->append( identifier );
}
ChunkPath::~ChunkPath()
{
this->clear();
}
ChunkPath & ChunkPath::operator=( const ChunkPath &rhs )
{
for( XMP_Int32 i = 0; i < rhs.length(); i++ )
{
this->append( rhs.identifier(i) );
}
return *this;
}
//-----------------------------------------------------------------------------
//
// ChunkPath::clear(...)
//
// Purpose: Remove all ChunkIdentifier's from the path
//
//-----------------------------------------------------------------------------
void ChunkPath::clear()
{
mPath.clear();
}
//-----------------------------------------------------------------------------
//
// ChunkPath::append(...)
//
// Purpose: Append a ChunkIdentifier to the end of the path
//
//-----------------------------------------------------------------------------
void ChunkPath::append( XMP_Uns32 id, XMP_Uns32 type /*= kType_NONE*/ )
{
ChunkIdentifier ci;
ci.id = id;
ci.type = type;
mPath.push_back(ci);
}
void ChunkPath::append( const ChunkIdentifier& identifier )
{
mPath.push_back(identifier);
}
void ChunkPath::append( const ChunkIdentifier* path, XMP_Uns32 size )
{
if( path != NULL )
{
for( XMP_Uns32 i=0; i < size; i++ )
{
this->append( path[i] );
}
}
}
//-----------------------------------------------------------------------------
//
// ChunkPath::insert(...)
//
// Purpose: Insert an identifier
//
//-----------------------------------------------------------------------------
void ChunkPath::insert( const ChunkIdentifier& identifier, XMP_Uns32 pos /*= 0*/ )
{
if( pos >= mPath.size() )
{
this->append( identifier );
}
else
{
mPath.insert( mPath.begin() + pos, identifier );
}
}
//-----------------------------------------------------------------------------
//
// ChunkPath::remove(...)
//
// Purpose: Remove the endmost ChunkIdentifier from the path
//
//-----------------------------------------------------------------------------
void ChunkPath::remove()
{
mPath.pop_back();
}
//-----------------------------------------------------------------------------
//
// ChunkPath::removeAt(...)
//
// Purpose: Remove the ChunkIdentifier at the passed position in the path
//
//-----------------------------------------------------------------------------
void ChunkPath::removeAt( XMP_Int32 pos )
{
if( ! mPath.empty() && pos >= 0 && (ChunkSizeType)pos < mPath.size() )
{
mPath.erase( mPath.begin() + pos );
}
else
{
XMP_Throw( "Index out of range.", kXMPErr_BadIndex );
}
}
//-----------------------------------------------------------------------------
//
// ChunkPath::identifier(...)
//
// Purpose: Return ChunkIdentifier at the passed position
//
//-----------------------------------------------------------------------------
const ChunkIdentifier& ChunkPath::identifier( XMP_Int32 pos ) const
{
return mPath.at(pos);
}
//-----------------------------------------------------------------------------
//
// ChunkPath::length(...)
//
// Purpose: Return the number of ChunkIdentifier's in the path
//
//-----------------------------------------------------------------------------
XMP_Int32 ChunkPath::length() const
{
return (XMP_Int32)mPath.size();
}
//-----------------------------------------------------------------------------
//
// ChunkPath::match(...)
//
// Purpose: Compare the passed ChunkPath with this path.
//
//-----------------------------------------------------------------------------
ChunkPath::MatchResult ChunkPath::match( const ChunkPath& path ) const
{
MatchResult ret = kNoMatch;
if( path.length() > 0 )
{
XMP_Int32 depth = ( this->length() > path.length() ? path.length() : this->length() );
XMP_Int32 matchCount = 0;
for( XMP_Int32 i=0; i<depth; i++ )
{
const ChunkIdentifier& id1 = this->identifier(i);
const ChunkIdentifier& id2 = path.identifier(i);
if( id1.id == id2.id )
{
if( i == this->length() - 1 && id1.type == kType_NONE )
{
matchCount++;
}
else if( id1.type == id2.type )
{
matchCount++;
}
}
else
break;
}
if( matchCount == depth )
{
ret = ( path.length() >= this->length() ? kFullMatch : kPartMatch );
}
}
return ret;
}
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