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utils/shadercompile/cmdsink.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Command sink interface implementation.
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "cmdsink.h"
+
+
+namespace CmdSink
+{
+
+// ------ implementation of CResponseFiles --------------
+
+CResponseFiles::CResponseFiles( char const *szFileResult, char const *szFileListing ) :
+	m_fResult(NULL),
+	m_fListing(NULL),
+	m_lenResult(0),
+	m_dataResult(NULL),
+	m_dataListing(NULL)
+{
+	sprintf( m_szFileResult, szFileResult );
+	sprintf( m_szFileListing, szFileListing );
+}
+
+CResponseFiles::~CResponseFiles( void )
+{
+	if ( m_fResult )
+		fclose( m_fResult );
+
+	if ( m_fListing )
+		fclose( m_fListing );
+}
+
+bool CResponseFiles::Succeeded( void )
+{
+	OpenResultFile();
+	return ( m_fResult != NULL );
+}
+
+size_t CResponseFiles::GetResultBufferLen( void )
+{
+	ReadResultFile();
+	return m_lenResult;
+}
+
+const void * CResponseFiles::GetResultBuffer( void )
+{
+	ReadResultFile();
+	return m_dataResult;
+}
+
+const char * CResponseFiles::GetListing( void )
+{
+	ReadListingFile();
+	return ( ( m_dataListing && *m_dataListing ) ? m_dataListing : NULL );
+}
+
+void CResponseFiles::OpenResultFile( void )
+{
+	if ( !m_fResult )
+	{
+		m_fResult = fopen( m_szFileResult, "rb" );
+	}
+}
+
+void CResponseFiles::ReadResultFile( void )
+{
+	if ( !m_dataResult )
+	{
+		OpenResultFile();
+
+		if ( m_fResult )
+		{
+			fseek( m_fResult, 0, SEEK_END );
+			m_lenResult = (size_t) ftell( m_fResult );
+
+			if ( m_lenResult != size_t(-1) )
+			{
+				m_bufResult.EnsureCapacity( m_lenResult );
+				fseek( m_fResult, 0, SEEK_SET );
+				fread( m_bufResult.Base(), 1, m_lenResult, m_fResult );
+				m_dataResult = m_bufResult.Base();
+			}
+		}
+	}
+}
+
+void CResponseFiles::ReadListingFile( void )
+{
+	if ( !m_dataListing )
+	{
+		if ( !m_fListing )
+			m_fListing = fopen( m_szFileListing, "rb" );
+
+		if ( m_fListing )
+		{
+			fseek( m_fListing, 0, SEEK_END );
+			size_t len = (size_t) ftell( m_fListing );
+
+			if ( len != size_t(-1) )
+			{
+				m_bufListing.EnsureCapacity( len );
+				fseek( m_fListing, 0, SEEK_SET );
+				fread( m_bufListing.Base(), 1, len, m_fListing );
+				m_dataListing = (const char *) m_bufListing.Base();
+			}
+		}
+	}
+}
+
+}; // namespace CmdSink