function fetchTransform( $operatorName, &$node, $tpl, &$resourceData,
$element, $lastElement, $elementList, $elementTree, &$parameters )
{
$parameterTranslation = false;
$constParameters = array();
if ( $operatorName == $this->Fetch )
{
if ( !eZTemplateNodeTool::isConstantElement( $parameters[0] ) ||
!eZTemplateNodeTool::isConstantElement( $parameters[1] ) )
{
return false;
}
$moduleName = eZTemplateNodeTool::elementConstantValue( $parameters[0] );
$functionName = eZTemplateNodeTool::elementConstantValue( $parameters[1] );
$moduleFunctionInfo = eZFunctionHandler::moduleFunctionInfo( $moduleName );
if ( !$moduleFunctionInfo->isValid() )
{
eZDebug::writeError( "Cannot execute module '$moduleName', no module found", __METHOD__ );
return array();
}
$fetchParameters = array();
if ( isset( $parameters[2] ) )
$fetchParameters = $parameters[2];
}
else if ( $operatorName == $this->FetchAlias )
{
if ( !eZTemplateNodeTool::isConstantElement( $parameters[0] ) )
{
return false;
}
$aliasFunctionName = eZTemplateNodeTool::elementConstantValue( $parameters[0] );
$aliasSettings = eZINI::instance( 'fetchalias.ini' );
if ( $aliasSettings->hasSection( $aliasFunctionName ) )
{
$moduleFunctionInfo = eZFunctionHandler::moduleFunctionInfo( $aliasSettings->variable( $aliasFunctionName, 'Module' ) );
if ( !$moduleFunctionInfo->isValid() )
{
eZDebug::writeError( "Cannot execute function '$aliasFunctionName' in module '$moduleName', no valid data", __METHOD__ );
return array();
}
$functionName = $aliasSettings->variable( $aliasFunctionName, 'FunctionName' );
$functionArray = array();
if ( $aliasSettings->hasVariable( $aliasFunctionName, 'Parameter' ) )
{
$parameterTranslation = $aliasSettings->variable( $aliasFunctionName, 'Parameter' );
}
if ( $aliasSettings->hasVariable( $aliasFunctionName, 'Constant' ) )
{
$constantParameterArray = $aliasSettings->variable( $aliasFunctionName, 'Constant' );
if ( is_array( $constantParameterArray ) )
{
foreach ( array_keys( $constantParameterArray ) as $constKey )
{
if ( $moduleFunctionInfo->isParameterArray( $functionName, $constKey ) )
$constParameters[$constKey] = explode( ';', $constantParameterArray[$constKey] );
else
$constParameters[$constKey] = $constantParameterArray[$constKey];
}
}
}
}
else
{
$placement = eZTemplateNodeTool::extractFunctionNodePlacement( $node );
$tpl->warning( 'fetch_alias', "Fetch alias '$aliasFunctionName' is not defined in fetchalias.ini", $placement );
return array();
}
$fetchParameters = array();
if ( isset( $parameters[1] ) )
$fetchParameters = $parameters[1];
}
else
{
return false;
}
$functionDefinition = $moduleFunctionInfo->preExecute( $functionName );
if ( $functionDefinition === false )
{
return false;
}
$isDynamic = false;
$isVariable = false;
if ( eZTemplateNodeTool::isConstantElement( $fetchParameters ) )
{
$staticParameters = eZTemplateNodeTool::elementConstantValue( $fetchParameters );
$functionKeys = array_keys( $staticParameters );
}
else if ( eZTemplateNodeTool::isDynamicArrayElement( $fetchParameters ) )
{
$isDynamic = true;
$dynamicParameters = eZTemplateNodeTool::elementDynamicArray( $fetchParameters );
$functionKeys = eZTemplateNodeTool::elementDynamicArrayKeys( $fetchParameters );
}
else if ( eZTemplateNodeTool::isVariableElement( $fetchParameters ) or
eZTemplateNodeTool::isInternalCodePiece( $fetchParameters ) )
{
$isVariable = true;
}
else
{
$functionKeys = array();
}
$paramCount = 0;
$values = array();
if ( $isVariable )
{
$values[] = $fetchParameters;
$parametersCode = 'array( ';
foreach( $functionDefinition['parameters'] as $parameterDefinition )
{
if ( $paramCount != 0 )
{
$parametersCode .= ',' . "\n";
}
++$paramCount;
$parameterName = $parameterDefinition['name'];
if ( $parameterTranslation )
{
if ( in_array( $parameterName, array_keys( $parameterTranslation ) ) )
{
$parameterName = $parameterTranslation[$parameterName];
}
}
$defaultValue = 'null';
if ( !$parameterDefinition['required'] )
$defaultValue = eZPHPCreator::variableText( $parameterDefinition['default'], 0, 0, false );
$parametersSelection = '%1%[\'' . $parameterName . '\']';
$parametersCode .= '( isset( ' . $parametersSelection . ' ) ? ' . $parametersSelection . " : $defaultValue )";
}
$parametersCode .= ' )';
}
else
{
$parametersCode = 'array( ';
if ( count( $functionDefinition['parameters'] ) )
{
foreach( $functionDefinition['parameters'] as $parameterDefinition )
{
if ( $paramCount != 0 )
{
$parametersCode .= ',' . "\n";
}
++$paramCount;
$parameterName = $parameterDefinition['name'];
if ( $parameterTranslation )
{
if ( in_array( $parameterName, array_keys( $parameterTranslation ) ) )
{
$parameterName = $parameterTranslation[$parameterName];
}
}
$parametersCode .= ' \'' . $parameterName . '\' => ';
if ( in_array( $parameterName, $functionKeys ) )
{
if ( $isDynamic )
{
if ( eZTemplateNodeTool::isConstantElement( $dynamicParameters[$parameterName] ) )
{
$parametersCode .= eZPHPCreator::variableText( eZTemplateNodeTool::elementConstantValue( $dynamicParameters[$parameterName] ), 0, 0, false );
}
else
{
$values[] = $dynamicParameters[$parameterName];
$parametersCode .= '%' . count( $values ) . '%';
}
}
else
{
$parametersCode .= eZPHPCreator::variableText( $staticParameters[$parameterName], 0, 0, false );
}
}
else if( $constParameters &&
isset( $constParameters[$parameterName] ) )
{
$parametersCode .= eZPHPCreator::variableText( $constParameters[$parameterName], 0, 0, false );
}
else
{
if ( $parameterDefinition['required'] )
{
return false;
}
else if ( isset( $parameterDefinition['default'] ) )
{
$parametersCode .= eZPHPCreator::variableText( $parameterDefinition['default'], 0, 0, false );
}
else
{
$parametersCode .= 'null';
}
}
}
}
$parametersCode .= ' )';
}
$code = '%output% = call_user_func_array( array( new ' . $functionDefinition['call_method']['class'] . '(), \'' . $functionDefinition['call_method']['method'] . '\' ),' . "\n" .
' ' . $parametersCode . ' );';
$code .= "\n";
$code .= '%output% = isset( %output%[\'result\'] ) ? %output%[\'result\'] : null;' . "\n";
return array( eZTemplateNodeTool::createCodePieceElement( $code, $values ) );
}