function templateNodeTransformation($functionName, &$node, $tpl, $parameters, $privateData)
{
// {for <first_val> to <last_val> as $<loop_var> [sequence <sequence_array> as $<sequence_var>]}
$newNodes = array();
$tpl->ForCounter++;
$nodePlacement = eZTemplateNodeTool::extractFunctionNodePlacement($node);
$uniqid = md5($nodePlacement[2]) . "_" . $tpl->ForCounter;
$loop = new eZTemplateCompiledLoop(eZTemplateForFunction::FUNCTION_NAME, $newNodes, $parameters, $nodePlacement, $uniqid, $node, $tpl, $privateData);
$variableStack = "for_variable_stack_{$uniqid}";
$namesArray = array("for_firstval_{$uniqid}", "for_lastval_{$uniqid}", "for_i_{$uniqid}");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("// for begins");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( !isset( \${$variableStack} ) ) \${$variableStack} = array();");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\$" . $variableStack . "[] = compact( '" . implode("', '", $namesArray) . "' );");
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['first_val'], $nodePlacement, array('treat-value-as-non-object' => true), "for_firstval_{$uniqid}");
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['last_val'], $nodePlacement, array('treat-value-as-non-object' => true), "for_lastval_{$uniqid}");
$loop->initVars();
// loop header
$modifyLoopCounterCode = "\$for_firstval_{$uniqid} < \$for_lastval_{$uniqid} ? \$for_i_{$uniqid}++ : \$for_i_{$uniqid}--";
// . ";\n";
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("for ( \$for_i_{$uniqid} = \$for_firstval_{$uniqid} ; ; {$modifyLoopCounterCode} )\n{");
$newNodes[] = eZTemplateNodeTool::createSpacingIncreaseNode();
// Check for index
$indexArray = isset($parameters['loop_var'][0][1]) ? $parameters['loop_var'][0][1] : array("", 2, "default_index_{$uniqid}");
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, "for_i_{$uniqid}", $nodePlacement, array('text-result' => true), $indexArray, false, true, true);
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( !( \$for_firstval_{$uniqid} < \$for_lastval_{$uniqid} ? " . "\$for_i_{$uniqid} <= \$for_lastval_{$uniqid} : " . "\$for_i_{$uniqid} >= \$for_lastval_{$uniqid} ) )\n" . " break;\n");
$loop->processBody();
// loop footer
$newNodes[] = eZTemplateNodeTool::createSpacingDecreaseNode();
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("} // for");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( count( \${$variableStack} ) ) extract( array_pop( \${$variableStack} ) );\n");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("else\n{\n");
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($indexArray);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode("for_firstval_{$uniqid}");
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode("for_lastval_{$uniqid}");
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode("for_i_{$uniqid}");
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($variableStack);
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("}\n");
$loop->cleanup();
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("// for ends\n");
return $newNodes;
}
function templateNodeTransformation($functionName, &$node, $tpl, &$parameters, $privateData)
{
// {while <condition> [sequence <sequence_array> as $<sequence_var>]}
$tpl->WhileCounter++;
$newNodes = array();
$nodePlacement = eZTemplateNodeTool::extractFunctionNodePlacement($node);
$uniqid = md5($nodePlacement[2]) . "_" . $tpl->WhileCounter;
$loop = new eZTemplateCompiledLoop(eZTemplateWhileFunction::FUNCTION_NAME, $newNodes, $parameters, $nodePlacement, $uniqid, $node, $tpl, $privateData);
$loop->initVars();
// loop header
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("while ( 1 ) // while\n{");
$newNodes[] = eZTemplateNodeTool::createSpacingIncreaseNode();
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['condition'], $nodePlacement, array('treat-value-as-non-object' => true), "while_cond");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( ! \$while_cond ) break;\n");
$loop->processBody();
// loop footer
$newNodes[] = eZTemplateNodeTool::createSpacingDecreaseNode();
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("} // end of while\n");
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode('while_cond');
$loop->cleanup();
return $newNodes;
}
function templateNodeTransformation($functionName, &$node, $tpl, $parameters, $privateData)
{
/*
{foreach <array> as [$keyVar =>] $itemVar
[sequence <array> as $sequenceVar]
[offset <offset>]
[max <max>]
[reverse]
}
*/
$tpl->ForeachCounter++;
$newNodes = array();
$nodePlacement = eZTemplateNodeTool::extractFunctionNodePlacement($node);
$uniqid = md5($nodePlacement[2]) . "_" . $tpl->ForeachCounter;
$loop = new eZTemplateCompiledLoop(eZTemplateForeachFunction::FUNCTION_NAME, $newNodes, $parameters, $nodePlacement, $uniqid, $node, $tpl, $privateData);
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("// foreach begins");
$loop->initVars();
$array = "fe_array_{$uniqid}";
$arrayKeys = "fe_array_keys_{$uniqid}";
$nItems = "fe_n_items_{$uniqid}";
$nItemsProcessed = "fe_n_items_processed_{$uniqid}";
$i = "fe_i_{$uniqid}";
$key = "fe_key_{$uniqid}";
$val = "fe_val_{$uniqid}";
$offset = "fe_offset_{$uniqid}";
$max = "fe_max_{$uniqid}";
$reverse = "fe_reverse_{$uniqid}";
$firstVal = "fe_first_val_{$uniqid}";
$lastVal = "fe_last_val_{$uniqid}";
$variableStack = "fe_variable_stack_{$uniqid}";
$namesArray = array($array, $arrayKeys, $nItems, $nItemsProcessed, $i, $key, $val, $offset, $max, $reverse, $firstVal, $lastVal);
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( !isset( \${$variableStack} ) ) \${$variableStack} = array();");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\$" . $variableStack . "[] = compact( '" . implode("', '", $namesArray) . "' );");
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['array'], $nodePlacement, array('text-result' => false), $array);
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$arrayKeys} = is_array( \${$array} ) ? array_keys( \${$array} ) : array();");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$nItems} = count( \${$arrayKeys} );");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$nItemsProcessed} = 0;");
// process offset, max and reverse parameters
if (isset($parameters['offset'])) {
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['offset'], $nodePlacement, array('text-result' => false), $offset);
} else {
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$offset} = 0;");
}
if (isset($parameters['max'])) {
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['max'], $nodePlacement, array('text-result' => false), $max);
} else {
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$max} = \${$nItems} - \${$offset};");
}
if (isset($parameters['reverse'])) {
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['reverse'], $nodePlacement, array('text-result' => false), $reverse);
} else {
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$reverse} = false;");
}
// fix definitely incorrect offset
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( \${$offset} < 0 || \${$offset} >= \${$nItems} )\n{\n" . " \${$offset} = ( \${$offset} < 0 ) ? 0 : \${$nItems};\n" . " if ( \${$nItems} || \${$offset} < 0 )\n {\n" . " eZDebug::writeWarning(\"Invalid 'offset' parameter specified: '\${$offset}'. Array count: \${$nItems}\"); \n}\n}");
// fix definitely incorrect max
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( \${$max} < 0 || \${$offset} + \${$max} > \${$nItems} )\n{\n" . " if ( \${$max} < 0 )\n eZDebug::writeWarning(\"Invalid 'max' parameter specified: \${$max}\");\n" . " \${$max} = \${$nItems} - \${$offset};\n}");
// initialize first and last indexes to iterate between them
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( \${$reverse} )\n" . "{\n" . " \${$firstVal} = \${$nItems} - 1 - \${$offset};\n" . " \${$lastVal} = 0;\n" . "}\n" . "else\n" . "{\n" . " \${$firstVal} = \${$offset};\n" . " \${$lastVal} = \${$nItems} - 1;\n" . "}");
// generate loop header
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("// foreach");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("for ( \${$i} = \${$firstVal}; " . "\${$nItemsProcessed} < \${$max} && ( \${$reverse} ? \${$i} >= \${$lastVal} : \${$i} <= \${$lastVal} ); " . "\${$reverse} ? \${$i}-- : \${$i}++ )\n" . "{");
$newNodes[] = eZTemplateNodeTool::createSpacingIncreaseNode();
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$key} = \${$arrayKeys}[\${$i}];");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$val} = \${$array}[\${$key}];");
// export $itemVar
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, "{$val}", $nodePlacement, array(), $parameters['item_var'][0][1], false, true, true);
// export $keyVar (if specified)
if (isset($parameters['key_var'])) {
$newNodes[] = eZTemplateNodeTool::createVariableNode(false, "{$key}", $nodePlacement, array(), $parameters['key_var'][0][1], false, true, true);
}
$loop->processBody();
// generate loop footer
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("\${$nItemsProcessed}++;");
$newNodes[] = eZTemplateNodeTool::createSpacingDecreaseNode();
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("} // foreach");
$loop->cleanup();
// unset the loop variables
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( count( \${$variableStack} ) ) extract( array_pop( \${$variableStack} ) );\n");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("else\n{\n");
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($array);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($arrayKeys);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($nItems);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($nItemsProcessed);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($i);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($key);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($val);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($offset);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($max);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($reverse);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($firstVal);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($lastVal);
$newNodes[] = eZTemplateNodeTool::createVariableUnsetNode($variableStack);
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("}\n");
$newNodes[] = eZTemplateNodeTool::createCodePieceNode("// foreach ends");
return $newNodes;
}