src/functionread.cpp


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#include "functionread.h"
#include "filemgr.h"

#include <bu/plugger.h>
PluginInterface3( pluginFunctionRead, read, FunctionRead, Function,
		"Mike Buland", 0, 1 );

FunctionRead::FunctionRead()
{
}

FunctionRead::~FunctionRead()
{
}

Bu::String FunctionRead::getName() const
{
	return "read";
}

Variable FunctionRead::call( Variable &input, VarList lParams )
{
	Variable vRet;
	if( lParams.getSize() == 1 )
	{
		int iSize = lParams.first().toInt();
		Bu::String sBuf( iSize );
		sBuf.resize(
			FileMgr::getInstance().get( (ptrdiff_t)input.getOpaque() ).read(
				sBuf.getStr(), iSize
				)
			);
		vRet = sBuf;
		return vRet;
	}
	throw Bu::ExceptionBase(
		"read takes zero or one parameters."
		);
}