PHP eZTemplateNodeTool::createVariableUnsetNode方法代码示例

 function destroySequenceVars()
 {
     $fName      = $this->Name;
     $uniqid     = $this->UniqID;
     $this->NewNodes[] = eZTemplateNodeTool::createVariableUnsetNode( "${fName}_sequence_array_$uniqid" );
     $this->NewNodes[] = eZTemplateNodeTool::createVariableUnsetNode( "${fName}_sequence_var_$uniqid" );
     $this->NewNodes[] = eZTemplateNodeTool::createVariableUnsetNode( $this->Parameters['sequence_var'][0][1] );
 }

 function templateNodeSequenceCreate(&$node, $tpl, $parameters, $nameValue, $loopValue)
 {
     $newNodes = array();
     $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['loop'], eZTemplateNodeTool::extractFunctionNodePlacement($node), array('text-result' => false), '_array');
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("\$GLOBALS['eZTemplateSequence-{$nameValue}'] = array( 'iteration' => 0, 'index' => 0, 'loop' => \$_array );\n");
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("\$tpl->setVariable( 'item', \$GLOBALS['eZTemplateSequence-{$nameValue}']['loop'][0],  \$namespace );\n");
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("\$tpl->setVariable( 'iteration', 0, \$namespace );\n");
     $newNodes[] = eZTemplateNodeTool::createVariableUnsetNode('_array');
     return $newNodes;
 }

 function templateNodeTransformation($functionName, &$node, $tpl, $parameters, $privateData)
 {
     if ($functionName != $this->BlockName) {
         return false;
     }
     $parameters = eZTemplateNodeTool::extractFunctionNodeParameters($node);
     if (!isset($parameters['name'])) {
         return false;
     }
     $namespaceValue = false;
     $newNodes = array();
     if (isset($parameters["name"])) {
         $menuIni = eZINI::instance("menu.ini");
         $nameData = $parameters["name"];
         if (!eZTemplateNodeTool::isConstantElement($nameData)) {
             return false;
         }
         $menuName = eZTemplateNodeTool::elementConstantValue($nameData);
         if ($menuIni->hasVariable('SelectedMenu', $menuName)) {
             $menuTemplate = $menuIni->variable("SelectedMenu", $menuName);
             if ($menuTemplate != null) {
                 $uriString = "design:menu/{$menuTemplate}.tpl";
                 $resourceName = "";
                 $templateName = "";
                 $resource = $tpl->resourceFor($uriString, $resourceName, $templateName);
                 $resourceData = $tpl->resourceData($resource, $uriString, $resourceName, $templateName);
                 $resourceData['use-comments'] = eZTemplateCompiler::isCommentsEnabled();
                 $includeNodes = $resource->templateNodeTransformation($functionName, $node, $tpl, $resourceData, $parameters, $namespaceValue);
                 if ($includeNodes === false) {
                     return false;
                 }
                 $variableList = array();
                 foreach (array_keys($parameters) as $parameterName) {
                     if ($parameterName == 'name') {
                         continue;
                     }
                     $parameterData =& $parameters[$parameterName];
                     $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameterData, false, array(), array($namespaceValue, eZTemplate::NAMESPACE_SCOPE_RELATIVE, $parameterName));
                     $variableList[] = $parameterName;
                 }
                 $newNodes = array_merge($newNodes, $includeNodes);
                 foreach ($variableList as $variableName) {
                     $newNodes[] = eZTemplateNodeTool::createVariableUnsetNode(array($namespaceValue, eZTemplate::NAMESPACE_SCOPE_RELATIVE, $variableName));
                 }
             } else {
                 // to do: not use this function to generate empty code.
                 $newNodes[] = eZTemplateNodeTool::createCodePieceNode("");
             }
         } else {
             // to do: not use this function to generate empty code.
             $newNodes[] = eZTemplateNodeTool::createCodePieceNode("");
         }
     }
     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 resourceAcquisitionTransformation( $functionName, &$node, $rule, $inputData,
                                                $outputName, $namespaceValue,
                                                $templateRoot, $viewDir, $viewValue,
                                                $matchFileArray, $acquisitionSpacing,
                                                &$resourceData )
    {
        $startRoot = '/' . $templateRoot . $viewDir;
        $viewFileMatchName = '/' . $templateRoot . '/' . $viewValue . '.tpl';
        $startRootLength = strlen( $startRoot );
        $matchList = array();
        $viewFileMatch = null;
        foreach ( $matchFileArray as $matchFile )
        {
            if ( !isset( $matchFile['template'] ) )
                continue;

            $path = $matchFile['template'];
            if ( substr( $path, 0, $startRootLength ) == $startRoot and
                 $path[$startRootLength] == '/' )
            {
                $matchFile['match_part'] = substr( $path, $startRootLength + 1 );
                $matchList[] = $matchFile;
            }
            if ( $path == $viewFileMatchName )
                $viewFileMatch = $matchFile;
        }
        $designKeysName = 'dKeys';
        $newNodes[] = eZTemplateNodeTool::createCodePieceNode( "if " . ( $resourceData['use-comments'] ? ( "/*OF:" . __LINE__ . "*/" ) : "" ) . "( !isset( \$$designKeysName ) )\n" .
                                                               "{\n" .
                                                               "    \$resH = \$tpl->resourceHandler( 'design' );\n" .
                                                               "    \$$designKeysName = \$resH->keys();\n" .
                                                               "}", array( 'spacing' => $acquisitionSpacing ) );
        if ( isset( $rule["attribute_keys"] ) )
        {
            $newNodes[] = eZTemplateNodeTool::createCodePieceNode( "if " . ( $resourceData['use-comments'] ? ( "/*OF:" . __LINE__ . "*/" ) : "" ) . "( !isset( \$" . $designKeysName . "Stack ) )\n" .
                                                                   "{\n" .
                                                                   "    \$" . $designKeysName . "Stack = array();\n" .
                                                                   "}\n" .
                                                                   "\$" . $designKeysName . "Stack[] = \$$designKeysName;",
                                                                   array( 'spacing' => $acquisitionSpacing ) );
            foreach ( $rule["attribute_keys"] as $designKey => $attributeKeyArray )
            {
                $attributeAccessData = array();
                $attributeAccessData[] = eZTemplateNodeTool::createVariableElement( $outputName, $namespaceValue, eZTemplate::NAMESPACE_SCOPE_RELATIVE );
                foreach ( $attributeKeyArray as $attributeKey )
                {
                    $attributeAccessData[] = eZTemplateNodeTool::createAttributeLookupElement( $attributeKey );
                }
                $newNodes[] = eZTemplateNodeTool::createVariableNode( false, $attributeAccessData, false,
                                                                      array( 'spacing' => 0 ), 'dKey' );
                $designKeyText = eZPHPCreator::variableText( $designKey, 0, 0, false );
                $newNodes[] = eZTemplateNodeTool::createCodePieceNode( "\$" . $designKeysName . "[$designKeyText] = \$dKey;",
                                                                       array( 'spacing' => $acquisitionSpacing ) );
                $newNodes[] = eZTemplateNodeTool::createVariableUnsetNode( 'dKey' );
            }
        }

        $attributeAccess = $rule["attribute_access"];

        $hasAttributeAccess = false;
        if ( is_array( $attributeAccess ) )
        {
            $hasAttributeAccess = count( $attributeAccess ) > 0;
            $attributeAccessCount = 0;
            foreach ( $attributeAccess as $attributeAccessEntries )
            {
                $attributeAccessData = $inputData;
                $spacing = $acquisitionSpacing;
                if ( $attributeAccessCount > 1 )
                {
                    $newNodes[] = eZTemplateNodeTool::createCodePieceNode( "else " . ( $resourceData['use-comments'] ? ( "/*OF:" . __LINE__ . "*/" ) : "" ) . " if ( !\$resourceFound )\n{\n", array( 'spacing' => $acquisitionSpacing ) );
                    $spacing += 4;
                }
                else if ( $attributeAccessCount > 0 )
                {
                    $newNodes[] = eZTemplateNodeTool::createCodePieceNode( "if " . ( $resourceData['use-comments'] ? ( "/*OF:" . __LINE__ . "*/" ) : "" ) . "( !\$resourceFound )\n{\n", array( 'spacing' => $acquisitionSpacing ) );
                    $spacing += 4;
                }
                foreach ( $attributeAccessEntries as $attributeAccessName )
                {
//                    $attributeAccessData[] = eZTemplateNodeTool::createCodePieceNode( "" . ( $resourceData['use-comments'] ? ( "/*TC:" . __LINE__ . "*/" ) : "" ) . "" );
                    $attributeAccessData[] = eZTemplateNodeTool::createAttributeLookupElement( $attributeAccessName );
                }
                $accessNodes = array();
                $accessNodes[] = eZTemplateNodeTool::createVariableNode( false, $attributeAccessData, false,
                                                                         array( 'spacing' => $spacing ), 'attributeAccess' );

                $acquisitionNodes = array();
                $templateCounter = 0;
                $hasAcquisitionNodes = false;
                $matchLookupArray = array();
                foreach ( $matchList as $matchItem )
                {
                    $tmpAcquisitionNodes = array();
                    $matchPart = $matchItem['match_part'];
                    if ( preg_match( "/^(.+)\.tpl$/", $matchPart, $matches ) )
                        $matchPart = $matches[1];
                    $code = "if " . ( $resourceData['use-comments'] ? ( "/*OF:" . __LINE__ . "*/" ) : "" ) . "( \$attributeAccess == '$matchPart' )\n{\n";
                    if ( $templateCounter > 0 )
                        $code = "else " . ( $resourceData['use-comments'] ? ( "/*OF:" . __LINE__ . "*/" ) : "" ) . "" . $code;
//.........这里部分代码省略.........

 function templateNodeTransformation($functionName, &$node, $tpl, $parameters, $privateData)
 {
     $tpl->ElseifCounter++;
     $newNodes = array();
     $nodesToPrepend = array();
     $nodesToAppend = array();
     $nodePlacement = eZTemplateNodeTool::extractFunctionNodePlacement($node);
     $uniqid = md5($nodePlacement[2]) . "_" . $tpl->ElseifCounter;
     $children = eZTemplateNodeTool::extractFunctionNodeChildren($node);
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("// if begins");
     $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['condition'], $nodePlacement, array('treat-value-as-non-object' => true), 'if_cond');
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( \$if_cond )\n{");
     $newNodes[] = eZTemplateNodeTool::createSpacingIncreaseNode();
     if (is_array($children)) {
         foreach (array_keys($children) as $childKey) {
             $child =& $children[$childKey];
             if ($child[0] == eZTemplate::NODE_FUNCTION) {
                 $childFunctionName =& $child[2];
                 $childChildren = eZTemplateNodeTool::extractFunctionNodeChildren($child);
                 $childFunctionArgs =& $child[3];
                 if ($childFunctionName == 'elseif') {
                     $compiledElseifCondition = eZTemplateCompiler::processElementTransformationList($tpl, $child, $childFunctionArgs['condition'], $privateData);
                     $nodesToPrepend[] = eZTemplateNodeTool::createVariableNode(false, $compiledElseifCondition, $nodePlacement, array('text-result' => true), "elseif_cond_{$uniqid}");
                     $newNodes[] = eZTemplateNodeTool::createSpacingDecreaseNode();
                     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("}\nelseif ( \$elseif_cond_{$uniqid} )\n{");
                     $newNodes[] = eZTemplateNodeTool::createSpacingIncreaseNode();
                     $nodesToAppend[] = eZTemplateNodeTool::createVariableUnsetNode("elseif_cond_{$uniqid}");
                     // increment unique elseif counter
                     $uniqid = md5($nodePlacement[2]) . "_" . ++$tpl->ElseifCounter;
                 } elseif ($childFunctionName == 'else') {
                     $newNodes[] = eZTemplateNodeTool::createSpacingDecreaseNode();
                     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("}\nelse\n{");
                     $newNodes[] = eZTemplateNodeTool::createSpacingIncreaseNode();
                 } elseif ($childFunctionName == 'break') {
                     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("break;\n");
                 } elseif ($childFunctionName == 'continue') {
                     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("continue;\n");
                 } elseif ($childFunctionName == 'skip') {
                     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("\$skipDelimiter = true;\ncontinue;\n");
                 }
                 // let other functions (ones not listed in the conditions above) be transformed
                 if (in_array($childFunctionName, array('elseif', 'else', 'break', 'continue', 'skip'))) {
                     continue;
                 }
             }
             $newNodes[] = $child;
         }
     }
     $newNodes[] = eZTemplateNodeTool::createSpacingDecreaseNode();
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("}");
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("unset( \$if_cond );");
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("// if ends\n");
     $newNodes = array_merge($nodesToPrepend, $newNodes, $nodesToAppend);
     return $newNodes;
 }

 function templateNodeTransformation($functionName, &$node, $tpl, &$parameters, $privateData)
 {
     $undef = $functionName == 'undef';
     $newNodes = array();
     if (!$parameters) {
         if (!$undef) {
             // prevent execution of the function in processed mode
             return array(eZTemplateNodeTool::createCodePieceNode("// an error occured in {$functionName}"));
         }
         // {undef} called w/o arguments => destroy all local variables
         $newNodes[] = eZTemplateNodeTool::createCodePieceNode("// undef all");
         $newNodes[] = eZTemplateNodeTool::createCodePieceNode("\$tpl->unsetLocalVariables();");
         return $newNodes;
     }
     $nodePlacement = eZTemplateNodeTool::extractFunctionNodePlacement($node);
     foreach (array_keys($parameters) as $parameterName) {
         $parameterData = $parameters[$parameterName];
         if ($undef) {
             $newNodes[] = eZTemplateNodeTool::createCodePieceNode("// undef \${$parameterName}");
             // generates "$tpl->unsetLocalVariable();"
             $newNodes[] = eZTemplateNodeTool::createVariableUnsetNode(array($namespaceValue = false, $scope = eZTemplate::NAMESPACE_SCOPE_LOCAL, $parameterName), array('remember_set' => false, 'local-variable' => true));
         } else {
             $newNodes[] = eZTemplateNodeTool::createCodePieceNode("// def \${$parameterName}");
             // generates "$tpl->setLocalVariable();"
             $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameterData, $nodePlacement, array('local-variable' => true), array($namespaceValue = false, $scope = eZTemplate::NAMESPACE_SCOPE_LOCAL, $parameterName), $onlyExisting = false, $overwrite = true, false, $rememberSet = false);
         }
     }
     return $newNodes;
 }

 function templateNodeTransformation($functionName, &$node, $tpl, $parameters, $privateData)
 {
     $newNodes = array();
     $namespaceValue = false;
     $varName = 'match';
     if (!isset($parameters['match'])) {
         return false;
     }
     if (isset($parameters['name'])) {
         $nameData = $parameters['name'];
         if (!eZTemplateNodeTool::isConstantElement($nameData)) {
             return false;
         }
         $namespaceValue = eZTemplateNodeTool::elementConstantValue($nameData);
     }
     if (isset($parameters['var'])) {
         $varData = $parameters['var'];
         if (!eZTemplateNodeTool::isConstantElement($varData)) {
             return false;
         }
         $varName = eZTemplateNodeTool::elementConstantValue($varData);
     }
     $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['match'], false, array(), array($namespaceValue, eZTemplate::NAMESPACE_SCOPE_RELATIVE, $varName));
     $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['match'], eZTemplateNodeTool::extractFunctionNodePlacement($node), array('variable-name' => 'match', 'text-result' => true), 'match');
     //                                                                       'text-result' => false ) );
     if (isset($parameters['name'])) {
         $newNodes[] = eZTemplateNodeTool::createNamespaceChangeNode($parameters['name']);
     }
     $tmpNodes = array();
     $children = eZTemplateNodeTool::extractFunctionNodeChildren($node);
     $caseNodes = array();
     $caseCounter = 1;
     if (is_array($children)) {
         foreach ($children as $child) {
             $childType = $child[0];
             if ($childType == eZTemplate::NODE_FUNCTION) {
                 if ($this->templateNodeCaseTransformation($tpl, $tmpNodes, $caseNodes, $caseCounter, $child, $privateData) === false) {
                     return false;
                 }
             }
         }
     }
     $newNodes = array_merge($newNodes, $tmpNodes);
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("switch ( \$match )\n{");
     $newNodes = array_merge($newNodes, $caseNodes);
     $newNodes[] = eZTemplateNodeTool::createCodePieceNode("}");
     $newNodes[] = eZTemplateNodeTool::createVariableUnsetNode('match');
     if (isset($parameters['name'])) {
         $newNodes[] = eZTemplateNodeTool::createNamespaceRestoreNode();
     }
     $newNodes[] = eZTemplateNodeTool::createVariableUnsetNode(array($namespaceValue, eZTemplate::NAMESPACE_SCOPE_RELATIVE, 'match'));
     return $newNodes;
 }

    function templateNodeTransformation( $functionName, &$node,
                                         $tpl, $parameters, $privateData )
    {
        switch( $functionName )
        {
            case $this->SetName:
            case $this->DefaultName:
            case $this->LetName:
            {
                $scope = eZTemplate::NAMESPACE_SCOPE_RELATIVE;
                if ( isset( $parameters['-scope'] ) )
                {
                    if ( !eZTemplateNodeTool::isConstantElement( $parameters['-scope'] ) )
                        return false;
                    $scopeText = eZTemplateNodeTool::elementConstantValue( $parameters['-scope'] );
                    if ( $scopeText == 'relative' )
                        $scope = eZTemplate::NAMESPACE_SCOPE_RELATIVE;
                    else if ( $scopeText == 'root' )
                        $scope = eZTemplate::NAMESPACE_SCOPE_LOCAL;
                    else if ( $scopeText == 'global' )
                        $scope = eZTemplate::NAMESPACE_SCOPE_GLOBAL;
                }

                $parameters = eZTemplateNodeTool::extractFunctionNodeParameters( $node );
                $namespaceValue = false;
                if ( isset( $parameters['-name'] ) )
                {
                    if ( !eZTemplateNodeTool::isConstantElement( $parameters['-name'] ) )
                    {
                        return false;
                    }

                    $namespaceValue = eZTemplateNodeTool::elementConstantValue( $parameters['-name'] );
                }

                $variableList = array();
                $setVarNodes = array();
                foreach ( array_keys( $parameters ) as $parameterName )
                {
                    if ( $parameterName == '-name' or $parameterName == '-scope'  )
                    {
                        continue;
                    }

                    $parameterData =& $parameters[$parameterName];

                    $setVarNodes[] = eZTemplateNodeTool::createVariableNode(
                            false, $parameterData, eZTemplateNodeTool::extractFunctionNodePlacement( $node ),
                            array(), array( $namespaceValue, $scope, $parameterName ),
                            ( $functionName == $this->SetName ), ( $functionName != $this->DefaultName ),
                            false, ( $functionName == $this->DefaultName ) );

                    if ( $functionName == $this->LetName or $functionName == $this->DefaultName )
                    {
                        $variableList[] = $parameterName;
                    }
                }

                if ( ( $functionName == $this->LetName or $functionName == $this->DefaultName ) and
                     $namespaceValue )
                {
                    $setVarNodes[] = eZTemplateNodeTool::createNamespaceChangeNode( $namespaceValue );
                }

                if ( $functionName == $this->LetName or $functionName == $this->DefaultName )
                {
                    $childNodes = eZTemplateNodeTool::extractFunctionNodeChildren( $node );
                    if ( !is_array( $childNodes ) )
                    {
                        $childNodes = array();
                    }
                }
                else
                {
                    $childNodes = array();
                }

                $unsetVarNodes = array();

                if ( ( $functionName == $this->LetName or $functionName == $this->DefaultName ) and
                     $namespaceValue )
                {
                    $unsetVarNodes[] = eZTemplateNodeTool::createNamespaceRestoreNode();
                }

                if ( $functionName == $this->LetName or $functionName == $this->DefaultName )
                {
                    foreach( $variableList as $parameterName )
                    {
                        $unsetVarNodes[] = eZTemplateNodeTool::createVariableUnsetNode( array( $namespaceValue,
                                                                                               eZTemplate::NAMESPACE_SCOPE_RELATIVE,
                                                                                               $parameterName ),
                                                                                        array( 'remember_set' => $functionName == $this->DefaultName ) );
                    }
                }

                return array_merge( $setVarNodes, $childNodes, $unsetVarNodes );
            } break;
        }

//.........这里部分代码省略.........

 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;
 }

 function templateNodeTransformation($functionName, &$node, $tpl, $parameters, $privateData)
 {
     $useLastValue = false;
     if (isset($parameters['last-value']) and !eZTemplateNodeTool::isConstantElement($parameters['last-value'])) {
         return false;
     }
     if (isset($parameters['name']) and !eZTemplateNodeTool::isConstantElement($parameters['name'])) {
         return false;
     }
     if (isset($parameters['var']) and !eZTemplateNodeTool::isConstantElement($parameters['var'])) {
         return false;
     }
     if (isset($parameters['reverse']) and !eZTemplateNodeTool::isConstantElement($parameters['reverse'])) {
         return false;
     }
     $varName = false;
     if (isset($parameters['var'])) {
         $varName = eZTemplateNodeTool::elementConstantValue($parameters['var']);
     }
     if (isset($parameters['last-value'])) {
         $useLastValue = (bool) eZTemplateNodeTool::elementConstantValue($parameters['last-value']);
     }
     if (!$varName) {
         $useLastValue = false;
     }
     $reverseLoop = false;
     if (isset($parameters['reverse'])) {
         $reverseLoop = eZTemplateNodeTool::elementConstantValue($parameters['reverse']);
     }
     $useLoop = isset($parameters['loop']);
     $allowLoop = true;
     $newNodes = array();
     $maxText = "false";
     $useMax = false;
     $maxPopText = false;
     if (isset($parameters['max'])) {
         if (eZTemplateNodeTool::isConstantElement($parameters['max'])) {
             $maxValue = eZTemplateNodeTool::elementConstantValue($parameters['max']);
             if ($maxValue > 0) {
                 $maxText = eZPHPCreator::variableText($maxValue);
                 $useMax = true;
             } else {
                 return array(eZTemplateNodeTool::createTextNode(''));
             }
         } else {
             $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['max'], eZTemplateNodeTool::extractFunctionNodePlacement($node), array(), 'max');
             $maxText = "\$max";
             $maxPopText = ", \$max";
             $useMax = true;
         }
     }
     // Controls whether the 'if' statement with brackets is added
     $useShow = false;
     // Controls whether main nodes are handled, also controls delimiter and filters
     $useMain = true;
     // Controls wether else nodes are handled
     $useElse = false;
     $spacing = 0;
     if (isset($parameters['show'])) {
         if (eZTemplateNodeTool::isConstantElement($parameters['show'])) {
             $showValue = eZTemplateNodeTool::elementConstantValue($parameters['show']);
             if ($showValue) {
                 $useMain = true;
                 $useElse = false;
                 $useShow = false;
             } else {
                 $useMain = false;
                 $useElse = true;
                 $useShow = false;
             }
             $newNodes[] = eZTemplateNodeTool::createTextNode('');
         } else {
             $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['show'], eZTemplateNodeTool::extractFunctionNodePlacement($node), array(), 'show');
             $spacing = 4;
             $useElse = true;
             $useShow = true;
         }
     }
     $children = eZTemplateNodeTool::extractFunctionNodeChildren($node);
     if ($useShow) {
         $newNodes[] = eZTemplateNodeTool::createCodePieceNode("if ( \$show )\n{\n");
         $newNodes[] = eZTemplateNodeTool::createSpacingIncreaseNode($spacing);
         $newNodes[] = eZTemplateNodeTool::createVariableUnsetNode('show');
     }
     if (isset($parameters['name']) and !$useLoop) {
         $newNodes[] = eZTemplateNodeTool::createNamespaceChangeNode($parameters['name']);
     }
     $mainNodes = eZTemplateNodeTool::extractNodes($children, array('match' => array('type' => 'before', 'matches' => array(array('match-keys' => array(0), 'match-with' => eZTemplate::NODE_FUNCTION), array('match-keys' => array(2), 'match-with' => 'section-else')), 'filter' => array(array(array('match-keys' => array(0), 'match-with' => eZTemplate::NODE_FUNCTION), array('match-keys' => array(2), 'match-with' => array('delimiter', 'section-exclude', 'section-include')))))));
     $delimiterNodes = eZTemplateNodeTool::extractNodes($children, array('match' => array('type' => 'equal', 'matches' => array(array('match-keys' => array(0), 'match-with' => eZTemplate::NODE_FUNCTION), array('match-keys' => array(2), 'match-with' => 'delimiter')))));
     $filterNodes = eZTemplateNodeTool::extractNodes($children, array('match' => array('type' => 'equal', 'matches' => array(array('match-keys' => array(0), 'match-with' => eZTemplate::NODE_FUNCTION), array('match-keys' => array(2), 'match-with' => array('section-exclude', 'section-include'))))));
     $delimiterNode = false;
     if (count($delimiterNodes) > 0) {
         $delimiterNode = $delimiterNodes[0];
     }
     if ($useMain) {
         // Avoid transformation if the nodes will not be used, saves time
         $mainNodes = eZTemplateCompiler::processNodeTransformationNodes($tpl, $node, $mainNodes, $privateData);
     }
     if ($useLoop and $useMain) {
         $newNodes[] = eZTemplateNodeTool::createVariableNode(false, $parameters['loop'], eZTemplateNodeTool::extractFunctionNodePlacement($node), array(), 'loopItem');
//.........这里部分代码省略.........

 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;
 }