| <?php |
| /** |
| * File containing the ezcTemplateBlockSourceToTstParser class |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Template |
| * @version //autogen// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| * @access private |
| */ |
| /** |
| * Parser for array fetch expressions. |
| * |
| * An array fetch looks like: |
| * <code> |
| * SQUARE_BRACKET_START <expression> SQUARE_BRACKET_END |
| * e.g. |
| * [5] |
| * </code> |
| * |
| * @package Template |
| * @version //autogen// |
| * @access private |
| */ |
| class ezcTemplateArrayFetchSourceToTstParser extends ezcTemplateSourceToTstParser |
| { |
| /** |
| * The array fetch element operator object if the parser was succesful. |
| * @var ezcTemplateArrayFetchOperatorTstNode |
| */ |
| public $fetch; |
| |
| /** |
| * Passes control to parent. |
| * |
| * @param ezcTemplateParser $parser |
| * @param ezcTemplateSourceToTstParser $parentParser |
| * @param ezcTemplateCursor $startCursor |
| */ |
| function __construct( ezcTemplateParser $parser, /*ezcTemplateSourceToTstParser*/ $parentParser, /*ezcTemplateCursor*/ $startCursor ) |
| { |
| parent::__construct( $parser, $parentParser, $startCursor ); |
| } |
| |
| /** |
| * Parses the array fetch expression by using the generic expression parser. |
| * The expression will callback the atEnd() function to figure out if the |
| * end is reached or not. |
| * |
| * @param ezcTemplateCursor $cursor |
| * @return bool |
| */ |
| protected function parseCurrent( ezcTemplateCursor $cursor ) |
| { |
| // This parser is created when a square bracket has been found. |
| |
| // $cursor will be update as the parser continues |
| $this->fetch = new ezcTemplateArrayFetchOperatorTstNode( $this->parser->source, clone $this->startCursor, $cursor ); |
| $this->findNextElement(); |
| |
| $expressionParser = new ezcTemplateExpressionSourceToTstParser( $this->parser, $this, null ); |
| $expressionParser->allowIdentifier = true; |
| |
| if ( !$this->parseRequiredType( $expressionParser ) ) |
| { |
| throw new ezcTemplateParserException( $this->parser->source, $this->startCursor, $this->currentCursor, ezcTemplateSourceToTstErrorMessages::MSG_EXPECT_EXPRESSION ); |
| } |
| |
| if ( $this->lastParser->rootOperator instanceof ezcTemplateModifyingOperatorTstNode ) |
| { |
| throw new ezcTemplateParserException( $this->parser->source, $this->startCursor, $this->currentCursor, ezcTemplateSourceToTstErrorMessages::MSG_MODIFYING_EXPRESSION_NOT_ALLOWED ); |
| } |
| |
| $this->fetch->endCursor = clone $this->lastParser->currentOperator->endCursor; |
| $this->fetch->appendParameter( $this->lastParser->currentOperator ); |
| |
| return true; |
| } |
| } |
| |
| ?> |