PHP PHPTAL_Php_CodeWriter::createTempVariable方法代码示例

 public function before(PHPTAL_Php_CodeWriter $codewriter)
 {
     $this->tmp_var = $codewriter->createTempVariable();
     $codewriter->doSetVar($this->tmp_var, $codewriter->interpolateTalesVarsInString($this->expression));
     $codewriter->doIf('$ctx->hasSlot(' . $this->tmp_var . ')');
     $codewriter->pushCode('$ctx->echoSlot(' . $this->tmp_var . ')');
     $codewriter->doElse();
 }

    /**
     * Attach html5 data attributes to element.
     *
     * Called before generating the compiled php for an attribute.
     *
     * Example (where 'element' is a Zend_Form_Element):
     *
     * <input ztal:data-attributes="element" />
     *
     * Within a Zend_Form implementation:
     *
     * $this->addElement('text', 'example', array(
     * 		'data' => array(
     * 			'hike' => 'foo',
     * 			'bar' => '1337',
     * 		)
     * ));
     *
     * @param PHPTAL_Php_CodeWriter $codewriter The code writer.
     *
     * @return void
     */
    public function before(\PHPTAL_Php_CodeWriter $codewriter)
    {
        $args = explode(',', $this->expression);
        $zendFormElement = $codewriter->evaluateExpression(trim($args[0]));
        $dataAttributes = $codewriter->createTempVariable();
        $tmp = $codewriter->createTempVariable();
        $assignment = $tmp . ' = ' . $zendFormElement . ';' . PHP_EOL;
        $attributes = '$attributes = ' . $tmp . '->getAttribs();';
        if (count($args) > 1) {
            $option = $codewriter->evaluateExpression(trim($args[1]));
            $optionVar = $codewriter->createTempVariable();
            $assignment .= $optionVar . ' = ' . $option . ';' . PHP_EOL;
            $attributes = '$attributes = ' . $tmp . '->getAttribsForOption(' . $optionVar . ');';
        }
        // PHPTAL changed the method signature for phptal_escape in v1.2.3.
        if (defined('PHPTAL_VERSION') && version_compare(PHPTAL_VERSION, '1.2.3', '>=')) {
            $escapeFunctionCall = 'phptal_escape($value, \'UTF-8\')';
        } else {
            $escapeFunctionCall = 'phptal_escape($value)';
        }
        /**
         * Compiled code will loop through a Zend_Form_Element attributes
         * looking for the 'data' key, and assign it to a known temporary
         * variable.
         */
        $source = '
		' . $assignment . '
		if ((is_object(' . $tmp . ')
			&& ' . $tmp . ' instanceof Zend_Form_Element)
		) {
			' . $attributes . PHP_EOL . '
			' . $dataAttributes . ' = " ";

			if (isset($attributes["data"]) && is_array($attributes["data"])) {
				foreach ($attributes["data"] as $key => $value) {
					' . $dataAttributes . ' .= "data-{$key}=\\"" . ' . $escapeFunctionCall . ' . "\\" ";
				}
				' . $dataAttributes . ' = rtrim(' . $dataAttributes . ');
			}
		}';
        // persist the code for compilation
        $codewriter->pushCode($source);
        // get the current DOM element to pull in the attributes
        $this->phpelement->getOrCreateAttributeNode('ztal:data-attributes')->overwriteFullWithVariable($dataAttributes);
    }

 public function before(PHPTAL_Php_CodeWriter $codewriter)
 {
     // retrieve trigger
     $this->var = $codewriter->createTempVariable();
     $codewriter->doSetVar($this->var, '$tpl->getTrigger(' . $codewriter->str($this->expression) . ')');
     // if trigger found and trigger tells to proceed, we execute
     // the node content
     $codewriter->doIf($this->var . ' &&
         ' . $this->var . '->start(' . $codewriter->str($this->expression) . ', $tpl) === PHPTAL_Trigger::PROCEED');
 }

 public function before(PHPTAL_Php_CodeWriter $codewriter)
 {
     if (trim($this->expression) == '') {
         $this->phpelement->headFootDisabled = true;
     } else {
         $this->varname = $codewriter->createTempVariable();
         // print tag header/foot only if condition is false
         $cond = $codewriter->evaluateExpression($this->expression);
         $this->phpelement->headPrintCondition = '(' . $this->varname . ' = !(' . $cond . '))';
         $this->phpelement->footPrintCondition = $this->varname;
     }
 }

 public function before(PHPTAL_Php_CodeWriter $codewriter)
 {
     $this->var = $codewriter->createTempVariable();
     // alias to repeats handler to avoid calling extra getters on each variable access
     $codewriter->doSetVar($this->var, '$ctx->repeat');
     list($varName, $expression) = $this->parseSetExpression($this->expression);
     $code = $codewriter->evaluateExpression($expression);
     // instantiate controller using expression
     $codewriter->doSetVar($this->var . '->' . $varName, 'new PHPTAL_RepeatController(' . $code . ')' . "\n");
     $codewriter->pushContext();
     // Lets loop the iterator with a foreach construct
     $codewriter->doForeach('$ctx->' . $varName, $this->var . '->' . $varName);
 }

 public function before(PHPTAL_Php_CodeWriter $codewriter)
 {
     // number or variable name followed by time unit
     // optional per expression
     if (!preg_match('/^\\s*([0-9]+\\s*|[a-zA-Z][\\/a-zA-Z0-9_]*\\s+)([dhms])\\s*(?:\\;?\\s*per\\s+([^;]+)|)\\s*$/', $this->expression, $matches)) {
         throw new PHPTAL_ParserException("Cache attribute syntax error: " . $this->expression, $this->phpelement->getSourceFile(), $this->phpelement->getSourceLine());
     }
     $cache_len = $matches[1];
     if (!is_numeric($cache_len)) {
         $cache_len = $codewriter->evaluateExpression($cache_len);
         if (is_array($cache_len)) {
             throw new PHPTAL_ParserException("Chained expressions in cache length are not supported", $this->phpelement->getSourceFile(), $this->phpelement->getSourceLine());
         }
     }
     switch ($matches[2]) {
         case 'd':
             $cache_len .= '*24';
             /* no break */
         /* no break */
         case 'h':
             $cache_len .= '*60';
             /* no break */
         /* no break */
         case 'm':
             $cache_len .= '*60';
             /* no break */
     }
     $cache_tag = '"' . addslashes($this->phpelement->getQualifiedName() . ':' . $this->phpelement->getSourceLine()) . '"';
     $cache_per_expression = isset($matches[3]) ? trim($matches[3]) : null;
     if ($cache_per_expression == 'url') {
         $cache_tag .= '.$_SERVER["REQUEST_URI"]';
     } elseif ($cache_per_expression == 'nothing') {
         /* do nothing */
     } elseif ($cache_per_expression) {
         $code = $codewriter->evaluateExpression($cache_per_expression);
         if (is_array($code)) {
             throw new PHPTAL_ParserException("Chained expressions in per-cache directive are not supported", $this->phpelement->getSourceFile(), $this->phpelement->getSourceLine());
         }
         $cache_tag = '(' . $code . ')."@".' . $cache_tag;
     }
     $this->cache_filename_var = $codewriter->createTempVariable();
     $codewriter->doSetVar($this->cache_filename_var, $codewriter->str($codewriter->getCacheFilesBaseName()) . '.md5(' . $cache_tag . ')');
     $cond = '!file_exists(' . $this->cache_filename_var . ') || time() - ' . $cache_len . ' >= filemtime(' . $this->cache_filename_var . ')';
     $codewriter->doIf($cond);
     $codewriter->doEval('ob_start()');
 }

 public function after(PHPTAL_Php_CodeWriter $codewriter)
 {
     $var = $codewriter->createTempVariable();
     $codewriter->pushCode('ob_end_flush()');
     $codewriter->doCatch('Exception ' . $var);
     $codewriter->pushCode('$tpl->addError(' . $var . ')');
     $codewriter->pushCode('ob_end_clean()');
     $expression = $this->extractEchoType($this->expression);
     $code = $codewriter->evaluateExpression($expression);
     switch ($code) {
         case PHPTAL_Php_TalesInternal::NOTHING_KEYWORD:
             break;
         case PHPTAL_Php_TalesInternal::DEFAULT_KEYWORD:
             $codewriter->pushHTML('<pre class="phptalError"');
             $codewriter->doEchoRaw($var);
             $codewriter->pushHTML('</pre>');
             break;
         default:
             $this->doEchoAttribute($codewriter, $code);
             break;
     }
     $codewriter->doEnd();
     $codewriter->recycleTempVariable($var);
 }

 private function bufferizeContent(PHPTAL_Php_CodeWriter $codewriter)
 {
     if (!$this->_buffered) {
         $this->tmp_content_var = $codewriter->createTempVariable();
         $codewriter->pushCode('ob_start()');
         $this->phpelement->generateContent($codewriter);
         $codewriter->doSetVar($this->tmp_content_var, 'ob_get_clean()');
         $this->_buffered = true;
     }
     $this->doDefineVarWith($codewriter, $this->tmp_content_var);
 }

 private function getVarName($qname, PHPTAL_Php_CodeWriter $codewriter)
 {
     $var = $codewriter->createTempVariable();
     $this->vars_to_recycle[] = $var;
     return $var;
 }