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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2012 - Scilab Enterprises - Calixte DENIZET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
#include "ScilabGateway.hxx"
namespace org_modules_external_objects
{
int ScilabGateway::cast(char * fname, const int envId, void * pvApiCtx)
{
SciErr err;
int tmpvar[2] = {0, 0};
int * addr = 0;
int idObj = 0;
int row = 0, col = 0;
int * id = 0;
char * objName = 0;
int ret = 0;
CheckInputArgument(pvApiCtx, 2, 2);
ScilabAbstractEnvironment & env = ScilabEnvironments::getEnvironment(envId);
ScilabGatewayOptions & options = env.getGatewayOptions();
OptionsHelper::setCopyOccurred(false);
ScilabObjects::initialization(env, pvApiCtx);
options.setIsNew(false);
err = getVarAddressFromPosition(pvApiCtx, 1, &addr);
if (err.iErr)
{
throw ScilabAbstractEnvironmentException(__LINE__, __FILE__, gettext("Invalid variable: cannot retrieve the data"));
}
idObj = ScilabObjects::getArgumentId(addr, tmpvar, false, false, envId, pvApiCtx);
err = getVarAddressFromPosition(pvApiCtx, 2, &addr);
if (err.iErr)
{
throw ScilabAbstractEnvironmentException(__LINE__, __FILE__, gettext("Invalid variable: cannot retrieve the data"));
}
if (ScilabObjects::isExternalClass(addr, pvApiCtx))
{
if (ScilabObjects::getEnvironmentId(addr, pvApiCtx) != envId)
{
throw ScilabAbstractEnvironmentException(__LINE__, __FILE__, gettext("Incompatible External Objects"));
}
err = getMatrixOfInteger32InList(pvApiCtx, addr, EXTERNAL_OBJ_ID_POSITION, &row, &col, &id);
if (err.iErr)
{
throw ScilabAbstractEnvironmentException(__LINE__, __FILE__, gettext("Invalid variable: cannot retrieve the data"));
}
try
{
ret = env.castwithid(idObj, *id);
}
catch (std::exception & e)
{
ScilabObjects::removeTemporaryVars(envId, tmpvar);
throw;
}
}
else
{
try
{
objName = ScilabObjects::getSingleString(2, pvApiCtx);
}
catch (ScilabAbstractEnvironmentException & e)
{
ScilabObjects::removeTemporaryVars(envId, tmpvar);
throw;
}
try
{
ret = env.cast(idObj, objName);
}
catch (std::exception & e)
{
freeAllocatedSingleString(objName);
ScilabObjects::removeTemporaryVars(envId, tmpvar);
throw;
}
freeAllocatedSingleString(objName);
}
ScilabObjects::removeTemporaryVars(envId, tmpvar);
try
{
ScilabObjects::createEnvironmentObjectAtPos(EXTERNAL_OBJECT, Rhs + 1, ret, envId, pvApiCtx);
}
catch (ScilabAbstractEnvironmentException & e)
{
env.removeobject(ret);
throw;
}
LhsVar(1) = Rhs + 1;
PutLhsVar();
return 0;
}
}
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