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/*
FALCON - The Falcon Programming Language.
FILE: cacheobject.cpp
Cache Object - Standard instance of classes in script - base
-------------------------------------------------------------------
Author: Giancarlo Niccolai
Begin: dom dic 5 2004
-------------------------------------------------------------------
(C) Copyright 2004: the FALCON developers (see list in AUTHORS file)
See LICENSE file for licensing details.
*/
/** \file
Falcon Object - Standard instance of classes in script - base
*/
#include <falcon/globals.h>
#include <falcon/cacheobject.h>
#include <falcon/string.h>
#include <falcon/stream.h>
#include <falcon/vm.h>
namespace Falcon {
CacheObject::CacheObject( const CoreClass *generator, bool bSeralizing ):
CoreObject( generator ),
m_cache( 0 )
{
const PropertyTable &pt = m_generatedBy->properties();
m_cache = (Item *) memAlloc( sizeof( Item ) * pt.added() );
// We don't need to copy the default values if we're going to overwrite them.
if ( ! bSeralizing )
{
// TODO: Check if a plain copy would do.
for ( uint32 i = 0; i < pt.added(); i ++ )
{
const Item &itm = *pt.getValue(i);
m_cache[i] = itm.isString() ? new CoreString( *itm.asString() ) :
itm;
}
}
}
CacheObject::CacheObject( const CacheObject &other ):
CoreObject( other.generator() ),
m_cache( 0 )
{
const PropertyTable &pt = m_generatedBy->properties();
m_cache = (Item *) memAlloc( sizeof( Item ) * pt.added() );
for( uint32 i = 0; i < pt.added(); i++ )
{
const Item &itm = other.m_cache[i];
//TODO: GARBAGE
m_cache[i] = itm.isString() ? new CoreString( *itm.asString() ) :
itm;
}
}
CacheObject::~CacheObject()
{
memFree( m_cache );
}
void CacheObject::gcMark( uint32 mk )
{
if( mk != mark() )
{
CoreObject::gcMark( mk );
const PropertyTable &props = m_generatedBy->properties();
for ( uint32 i = 0; i < props.added(); i ++ )
{
memPool->markItem( m_cache[i] );
}
}
}
bool CacheObject::setProperty( const String &propName, const Item &value )
{
fassert( m_generatedBy != 0 );
register uint32 pos;
const PropertyTable &pt = m_generatedBy->properties();
if ( pt.findKey( propName, pos ) )
{
if ( value.isReference() )
m_cache[ pos ] = value;
else
*m_cache[ pos ].dereference() = value;
return true;
}
return false;
}
bool CacheObject::getProperty( const String &propName, Item &ret ) const
{
fassert( m_generatedBy != 0 );
register uint32 pos;
const PropertyTable &pt = m_generatedBy->properties();
if ( pt.findKey( propName, pos ) )
{
ret = *m_cache[pos].dereference();
return true;
}
return false;
}
bool CacheObject::serialize( Stream *stream, bool bLive ) const
{
uint32 len = m_generatedBy->properties().added();
uint32 elen = endianInt32( m_generatedBy->properties().added() );
stream->write((byte *) &elen, sizeof(elen) );
for( uint32 i = 0; i < len; i ++ )
{
if ( m_cache[i].serialize( stream, bLive ) != Item::sc_ok )
return false;
}
CoreObject::serialize( stream, bLive );
return stream->good();
}
bool CacheObject::deserialize( Stream *stream, bool bLive )
{
VMachine *vm = VMachine::getCurrent();
// Read the class property table.
uint32 len;
stream->read( (byte *) &len, sizeof( len ) );
len = endianInt32( len );
if ( len != m_generatedBy->properties().added() )
{
return false;
}
for( uint32 i = 0; i < len; i ++ )
{
if( ! stream->good() ) {
return false;
}
Item temp;
Item::e_sercode sc = m_cache[i].deserialize( stream, vm );
if ( sc != Item::sc_ok )
{
return false;
}
}
CoreObject::deserialize( stream, bLive );
return true;
}
void CacheObject::reflectFrom( void *user_data )
{
const PropertyTable &pt = m_generatedBy->properties();
for ( uint32 i = 0; i < pt.added(); i ++ )
{
const PropEntry &entry = pt.getEntry(i);
if( entry.m_eReflectMode != e_reflectNone )
{
entry.reflectFrom( this, user_data, m_cache[i] );
}
}
}
void CacheObject::reflectTo( void *user_data ) const
{
const PropertyTable &pt = m_generatedBy->properties();
for ( uint32 i = 0; i < pt.added(); i ++ )
{
const PropEntry &entry = pt.getEntry(i);
if( entry.m_eReflectMode != e_reflectNone )
{
entry.reflectTo( const_cast<CacheObject *>(this), user_data, m_cache[i] );
}
}
}
}
/* end of cacheobject.cpp */
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