| <?php |
| /** |
| * File containing the ezcTemplateIfConditionSourceToTstParser class |
| * |
| * @package Template |
| * @version //autogen// |
| * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. |
| * @license http://ez.no/licenses/new_bsd New BSD License |
| * @access private |
| */ |
| /** |
| * Parser for {if} control structure. |
| * |
| * Parses inside the blocks {...} and looks for an expression by using the |
| * ezcTemplateExpressionSourceToTstParser class. |
| * |
| * @package Template |
| * @version //autogen// |
| * @access private |
| */ |
| class ezcTemplateIfConditionSourceToTstParser extends ezcTemplateSourceToTstParser |
| { |
| /** |
| * 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 ); |
| $this->block = null; |
| } |
| |
| /** |
| * Parses the expression by using the ezcTemplateExpressionSourceToTstParser class. |
| * |
| * @param ezcTemplateCursor $cursor |
| * @return bool |
| */ |
| protected function parseCurrent( ezcTemplateCursor $cursor ) |
| { |
| $name = $this->block->name; |
| |
| // handle closing block |
| if ( $this->block->isClosingBlock ) |
| { |
| // skip whitespace and comments |
| $this->findNextElement(); |
| |
| if ( !$cursor->match( '}' ) ) |
| { |
| throw new ezcTemplateParserException( $this->parser->source, $this->startCursor, $this->currentCursor, ezcTemplateSourceToTstErrorMessages::MSG_EXPECT_CURLY_BRACKET_CLOSE ); |
| } |
| |
| $el = new ezcTemplateIfConditionTstNode( $this->parser->source, $this->startCursor, $cursor ); |
| $el->name = 'if'; |
| $el->isClosingBlock = true; |
| $this->appendElement( $el ); |
| return true; |
| } |
| |
| $condition = null; |
| |
| $this->findNextElement(); |
| |
| if ( $name != 'else' ) // Parse condition |
| { |
| if ( !$this->parseRequiredType( 'Expression', null, false ) ) |
| { |
| throw new ezcTemplateParserException( $this->parser->source, $this->startCursor, $this->currentCursor, ezcTemplateSourceToTstErrorMessages::MSG_EXPECT_EXPRESSION ); |
| } |
| |
| $condition = $this->lastParser->rootOperator; |
| if ( $condition instanceof ezcTemplateModifyingOperatorTstNode ) |
| { |
| throw new ezcTemplateParserException( $this->parser->source, $this->startCursor, $this->currentCursor, ezcTemplateSourceToTstErrorMessages::MSG_MODIFYING_EXPRESSION_NOT_ALLOWED ); |
| } |
| |
| $this->findNextElement(); |
| } |
| |
| if ( !$cursor->match( '}' ) ) |
| { |
| throw new ezcTemplateParserException( $this->parser->source, $this->startCursor, $this->currentCursor, ezcTemplateSourceToTstErrorMessages::MSG_EXPECT_CURLY_BRACKET_CLOSE ); |
| } |
| |
| $cb = new ezcTemplateConditionBodyTstNode( $this->parser->source, $this->startCursor, $cursor ); |
| $cb->condition = $condition; |
| $cb->name = $name; |
| |
| if ( $name == 'if' ) |
| { |
| $el = new ezcTemplateIfConditionTstNode( $this->parser->source, $this->startCursor, $cursor ); |
| $el->children[] = $cb; |
| $el->name = 'if'; |
| $this->appendElement( $el ); |
| } |
| else |
| { |
| $this->appendElement( $cb ); |
| } |
| |
| return true; |
| } |
| } |
| |
| ?> |