diff options
Diffstat (limited to 'lib/phptal/PHPTAL/Php/Attribute/TAL/Content.php')
-rw-r--r-- | lib/phptal/PHPTAL/Php/Attribute/TAL/Content.php | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/phptal/PHPTAL/Php/Attribute/TAL/Content.php b/lib/phptal/PHPTAL/Php/Attribute/TAL/Content.php new file mode 100644 index 0000000..aef5865 --- /dev/null +++ b/lib/phptal/PHPTAL/Php/Attribute/TAL/Content.php @@ -0,0 +1,95 @@ +<?php +/** + * PHPTAL templating engine + * + * PHP Version 5 + * + * @category HTML + * @package PHPTAL + * @author Laurent Bedubourg <lbedubourg@motion-twin.com> + * @author Kornel LesiĆski <kornel@aardvarkmedia.co.uk> + * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License + * @version SVN: $Id$ + * @link http://phptal.org/ + */ + + +/** TAL Specifications 1.4 + * + * argument ::= (['text'] | 'structure') expression + * + * Example: + * + * <p tal:content="user/name">Fred Farkas</p> + * + * + * + * + * @package PHPTAL + * @subpackage Php.attribute.tal + * @author Laurent Bedubourg <lbedubourg@motion-twin.com> + */ +class PHPTAL_Php_Attribute_TAL_Content +extends PHPTAL_Php_Attribute +implements PHPTAL_Php_TalesChainReader +{ + public function before(PHPTAL_Php_CodeWriter $codewriter) + { + $expression = $this->extractEchoType($this->expression); + + $code = $codewriter->evaluateExpression($expression); + + if (is_array($code)) { + return $this->generateChainedContent($codewriter, $code); + } + + if ($code == PHPTAL_Php_TalesInternal::NOTHING_KEYWORD) { + return; + } + + if ($code == PHPTAL_Php_TalesInternal::DEFAULT_KEYWORD) { + return $this->generateDefault($codewriter); + } + + $this->doEchoAttribute($codewriter, $code); + } + + public function after(PHPTAL_Php_CodeWriter $codewriter) + { + } + + private function generateDefault(PHPTAL_Php_CodeWriter $codewriter) + { + $this->phpelement->generateContent($codewriter, true); + } + + protected function generateChainedContent(PHPTAL_Php_CodeWriter $codewriter, $code) + { + $executor = new PHPTAL_Php_TalesChainExecutor($codewriter, $code, $this); + } + + public function talesChainPart(PHPTAL_Php_TalesChainExecutor $executor, $exp, $islast) + { + if (!$islast) { + $var = $executor->getCodeWriter()->createTempVariable(); + $executor->doIf('!phptal_isempty('.$var.' = '.$exp.')'); + $this->doEchoAttribute($executor->getCodeWriter(), $var); + $executor->getCodeWriter()->recycleTempVariable($var); + } else { + $executor->doElse(); + $this->doEchoAttribute($executor->getCodeWriter(), $exp); + } + } + + public function talesChainNothingKeyword(PHPTAL_Php_TalesChainExecutor $executor) + { + $executor->breakChain(); + } + + public function talesChainDefaultKeyword(PHPTAL_Php_TalesChainExecutor $executor) + { + $executor->doElse(); + $this->generateDefault($executor->getCodeWriter()); + $executor->breakChain(); + } +} |