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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//=============================================================================//
#include "html/htmlprotobuf.h"
#include "tier0/vprof.h"
#include "tier0/valve_minmax_off.h"
#ifdef _WIN64
// disable 64-bit warnings for the google headers
#pragma warning(push)
#pragma warning(disable:4244) // warning C4244: 'return' : conversion from '__int64' to 'int', possible loss of data
#pragma warning(disable:4267) // warning C4267: 'argument' : conversion from 'size_t' to 'int', possible loss of data
#endif
#include "tier0/memdbgoff.h"
#include "protobuf-2.3.0/src/google/protobuf/message_lite.h"
#include "tier0/memdbgon.h"
#ifdef _WIN64
#pragma warning(pop)
#endif
//-----------------------------------------------------------------------------
// Purpose: serialize a protobuf into a utlbuffer
//-----------------------------------------------------------------------------
void CHTMLBaseProtoBufMsg::SerializeCrossProc( CUtlBuffer *pBuffer ) const
{
VPROF_BUDGET( "CUIProtoBufMsg::SerializeCrossProc", VPROF_BUDGETGROUP_OTHER_VGUI );
uint32 unSize = ((google::protobuf::MessageLite *)m_pMsg)->ByteSize();
// Ensure enough for type, size, and serialized data
pBuffer->EnsureCapacity( pBuffer->TellPut() + sizeof(uint32) * 3 + unSize ); // bugbug cboyd - drop to * 2 whenpassthrough is removed below
pBuffer->PutUnsignedInt( unSize );
if ( unSize == 0 )
return;
uint8 *pBody = (uint8*)pBuffer->Base()+pBuffer->TellPut();
((google::protobuf::MessageLite *)m_pMsg)->SerializeWithCachedSizesToArray( pBody );
pBuffer->SeekPut( CUtlBuffer::SEEK_CURRENT, unSize );
}
//-----------------------------------------------------------------------------
// Purpose: grab a previously serialized protobuf
//-----------------------------------------------------------------------------
bool CHTMLBaseProtoBufMsg::BDeserializeCrossProc( CUtlBuffer *pBuffer )
{
VPROF_BUDGET( "CUIProtoBufMsg::BDeserialize", VPROF_BUDGETGROUP_OTHER_VGUI );
if ( pBuffer->GetBytesRemaining() < (int)sizeof(uint32) )
return false;
uint32 unSize = pBuffer->GetUnsignedInt();
if ( unSize == 0 )
return true;
if ( pBuffer->GetBytesRemaining() < (int)unSize )
return false;
bool bSucccess = ((google::protobuf::MessageLite *)m_pMsg)->ParseFromArray( (uint8*)pBuffer->Base()+pBuffer->TellGet(), unSize );
pBuffer->SeekGet( CUtlBuffer::SEEK_CURRENT, unSize );
return bSucccess;
}
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