PHP Dwoo_Compiler類代碼示例

 public static function preProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $type)
 {
     $params = $compiler->getCompiledParams($params);
     $func = $params['__funcname'];
     $pluginType = $params['__functype'];
     $params = $params['*'];
     if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) {
         $customPlugins = $compiler->getDwoo()->getCustomPlugins();
         $callback = $customPlugins[$func]['callback'];
         if (is_array($callback)) {
             if (is_object($callback[0])) {
                 $callback = '$this->customPlugins[\'' . $func . '\'][0]->' . $callback[1] . '(';
             } else {
                 $callback = '' . $callback[0] . '::' . $callback[1] . '(';
             }
         } else {
             $callback = $callback . '(';
         }
     } else {
         $callback = 'smarty_block_' . $func . '(';
     }
     $paramsOut = '';
     foreach ($params as $i => $p) {
         $paramsOut .= var_export($i, true) . ' => ' . $p . ',';
     }
     $curBlock =& $compiler->getCurrentBlock();
     $curBlock['params']['postOut'] = Dwoo_Compiler::PHP_OPEN . ' $_block_content = ob_get_clean(); $_block_repeat=false; echo ' . $callback . '$_tag_stack[count($_tag_stack)-1], $_block_content, $this, $_block_repeat); } array_pop($_tag_stack);' . Dwoo_Compiler::PHP_CLOSE;
     return Dwoo_Compiler::PHP_OPEN . $prepend . ' if (!isset($_tag_stack)){ $_tag_stack = array(); } $_tag_stack[] = array(' . $paramsOut . '); $_block_repeat=true; ' . $callback . '$_tag_stack[count($_tag_stack)-1], null, $this, $_block_repeat); while ($_block_repeat) { ob_start();' . Dwoo_Compiler::PHP_CLOSE;
 }

/**
 * Checks whether an extended file has been modified, and if so recompiles the current template. This is for internal use only, do not use.
 *
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from the use of this software.
 *
 * @author     Jordi Boggiano <j.boggiano@seld.be>
 * @copyright  Copyright (c) 2008, Jordi Boggiano
 * @license    http://dwoo.org/LICENSE   Modified BSD License
 * @link       http://dwoo.org/
 * @version    1.1.0
 * @date       2009-07-18
 * @package    Dwoo
 */
function Dwoo_Plugin_extendsCheck_compile(Dwoo_Compiler $compiler, $file)
{
    preg_match('#^["\']([a-z]{2,}):(.*?)["\']$#i', $file, $m);
    $resource = $m[1];
    $identifier = $m[2];
    $tpl = $compiler->getDwoo()->templateFactory($resource, $identifier);
    if ($tpl === null) {
        throw new Dwoo_Compilation_Exception($compiler, 'Load Templates : Resource "' . $resource . ':' . $identifier . '" not found.');
    } elseif ($tpl === false) {
        throw new Dwoo_Compilation_Exception($compiler, 'Load Templates : Resource "' . $resource . '" does not support includes.');
    }
    $out = '\'\';// checking for modification in ' . $resource . ':' . $identifier . "\r\n";
    $modCheck = $tpl->getIsModifiedCode();
    if ($modCheck) {
        $out .= 'if (!(' . $modCheck . ')) { ob_end_clean(); return false; }';
    } else {
        $out .= 'try {
	$tpl = $this->templateFactory("' . $resource . '", "' . $identifier . '");
} catch (Dwoo_Exception $e) {
	$this->triggerError(\'Load Templates : Resource <em>' . $resource . '</em> was not added to Dwoo, can not extend <em>' . $identifier . '</em>\', E_USER_WARNING);
}
if ($tpl === null)
	$this->triggerError(\'Load Templates : Resource "' . $resource . ':' . $identifier . '" was not found.\', E_USER_WARNING);
elseif ($tpl === false)
	$this->triggerError(\'Load Templates : Resource "' . $resource . '" does not support extends.\', E_USER_WARNING);
if ($tpl->getUid() != "' . $tpl->getUid() . '") { ob_end_clean(); return false; }';
    }
    return $out;
}

 /**
  * utility function that converts an array of compiled parameters (or rest array) to a string of xml/html tag attributes
  *
  * this is to be used in preProcessing or postProcessing functions, example :
  *  $p = $compiler->getCompiledParams($params);
  *  // get only the rest array as attributes
  *  $attributes = Dwoo_Plugin::paramsToAttributes($p['*']);
  *  // get all the parameters as attributes (if there is a rest array, it will be included)
  *  $attributes = Dwoo_Plugin::paramsToAttributes($p);
  *
  * @param array $params an array of attributeName=>value items that will be compiled to be ready for inclusion in a php string
  * @param string $delim the string delimiter you want to use (defaults to ')
  * @param Dwoo_Compiler $compiler the compiler instance (optional for BC, but recommended to pass it for proper escaping behavior)
  * @return string
  */
 public static function paramsToAttributes(array $params, $delim = '\'', Dwoo_Compiler $compiler = null)
 {
     if (isset($params['*'])) {
         $params = array_merge($params, $params['*']);
         unset($params['*']);
     }
     $out = '';
     foreach ($params as $attr => $val) {
         $out .= ' ' . $attr . '=';
         if (trim($val, '"\'') == '' || $val == 'null') {
             $out .= str_replace($delim, '\\' . $delim, '""');
         } elseif (substr($val, 0, 1) === $delim && substr($val, -1) === $delim) {
             $out .= str_replace($delim, '\\' . $delim, '"' . substr($val, 1, -1) . '"');
         } else {
             if (!$compiler) {
                 // disable double encoding since it can not be determined if it was encoded
                 $escapedVal = '.(is_string($tmp2=' . $val . ') ? htmlspecialchars($tmp2, ENT_QUOTES, $this->charset, false) : $tmp2).';
             } elseif (!$compiler->getAutoEscape() || false === strpos($val, 'isset($this->scope')) {
                 // escape if auto escaping is disabled, or there was no variable in the string
                 $escapedVal = '.(is_string($tmp2=' . $val . ') ? htmlspecialchars($tmp2, ENT_QUOTES, $this->charset) : $tmp2).';
             } else {
                 // print as is
                 $escapedVal = '.' . $val . '.';
             }
             $out .= str_replace($delim, '\\' . $delim, '"') . $delim . $escapedVal . $delim . str_replace($delim, '\\' . $delim, '"');
         }
     }
     return ltrim($out);
 }

 public function testSmartyCompat()
 {
     $tpl = new Dwoo_Template_String('{ldelim}{$smarty.version}{rdelim}');
     $tpl->forceCompilation();
     $cmp = new Dwoo_Compiler();
     $cmp->addPreProcessor('smarty_compat', true);
     $this->assertEquals('{' . Dwoo::VERSION . '}', $this->dwoo->get($tpl, array(), $cmp));
 }

 public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
 {
     if (!isset($params['initialized'])) {
         return '';
     }
     $block =& $compiler->getCurrentBlock();
     $block['params']['hasElse'] = Dwoo_Compiler::PHP_OPEN . "else {\n" . Dwoo_Compiler::PHP_CLOSE . $content . Dwoo_Compiler::PHP_OPEN . "\n}" . Dwoo_Compiler::PHP_CLOSE;
     return '';
 }

 public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
 {
     $rparams = $compiler->getRealParams($params);
     $cparams = $compiler->getCompiledParams($params);
     $compiler->setScope($rparams['var']);
     $pre = Dwoo_Compiler::PHP_OPEN . 'if (' . $cparams['var'] . ')' . "\n{\n" . '$_with' . self::$cnt . ' = $this->setScope("' . $rparams['var'] . '");' . "\n/* -- start with output */\n" . Dwoo_Compiler::PHP_CLOSE;
     $post = Dwoo_Compiler::PHP_OPEN . "\n/* -- end with output */\n" . '$this->setScope($_with' . self::$cnt++ . ', true);' . "\n}\n" . Dwoo_Compiler::PHP_CLOSE;
     if (isset($params['hasElse'])) {
         $post .= $params['hasElse'];
     }
     return $pre . $content . $post;
 }

 public function __construct()
 {
     parent::__construct();
     $compiler = new Dwoo_Compiler();
     $compiler->setDelimiters('<?', '?>');
     // add preprocessor
     // add custom plugins, functions, blocks, etc
     $this->setCompiler($compiler);
     $this->setCompileDir(PROJECT_RUNTIME . '/' . $type . '_c');
     $this->assign('this', $page);
     $this->assign('context', $context);
 }

 public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
 {
     $params = $compiler->getCompiledParams($params);
     $params = isset($params['*']) ? $params['*'] : array();
     $params_php = array();
     foreach ($params as $key => $val) {
         $params_php[] = var_export($key, true) . ' => ' . $val;
     }
     $params_php = 'array(' . implode(', ', $params_php) . ')';
     $pre = Dwoo_Compiler::PHP_OPEN . 'ob_start();' . Dwoo_Compiler::PHP_CLOSE;
     $post = Dwoo_Compiler::PHP_OPEN . __CLASS__ . '::_process(ob_get_clean(), ' . $params_php . ');' . Dwoo_Compiler::PHP_CLOSE;
     return $pre . $content . $post;
 }

 public function testAutoEscape()
 {
     $cmp = new Dwoo_Compiler();
     $cmp->setAutoEscape(true);
     $tpl = new Dwoo_Template_String('{$foo}{auto_escape off}{$foo}{/}');
     $tpl->forceCompilation();
     $this->assertEquals("a&lt;b&gt;ca<b>c", $this->dwoo->get($tpl, array('foo' => 'a<b>c'), $cmp));
     $tpl = new Dwoo_Template_String('{$foo}{auto_escape true}{$foo}{/}');
     $tpl->forceCompilation();
     $this->assertEquals("a<b>ca&lt;b&gt;c", $this->dwoo->get($tpl, array('foo' => 'a<b>c')));
     // fixes the init call not being called (which is normal)
     $fixCall = new Dwoo_Plugin_auto_escape($this->dwoo);
     $fixCall->init('');
 }

 public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
 {
     $params = $compiler->getCompiledParams($params);
     $mode = trim($params['mode'], '"\'');
     switch ($mode) {
         case 'js':
         case 'javascript':
             $content = preg_replace('#(?<!:)//\\s[^\\r\\n]*|/\\*.*?\\*/#', '', $content);
         case 'default':
         default:
     }
     $content = preg_replace(array("/\n/", "/\r/", '/(<\\?(?:php)?|<%)\\s*/'), array('', '', '$1 '), preg_replace('#^\\s*(.+?)\\s*$#m', '$1', $content));
     return $content;
 }

 public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
 {
     $p = $compiler->getCompiledParams($params);
     // no content was provided so use the url as display text
     if ($content == "") {
         // merge </a> into the href if href is a string
         if (substr($p['href'], -1) === '"' || substr($p['href'], -1) === '\'') {
             return Dwoo_Compiler::PHP_OPEN . 'echo ' . substr($p['href'], 0, -1) . '</a>' . substr($p['href'], -1) . ';' . Dwoo_Compiler::PHP_CLOSE;
         }
         // otherwise append
         return Dwoo_Compiler::PHP_OPEN . 'echo ' . $p['href'] . '.\'</a>\';' . Dwoo_Compiler::PHP_CLOSE;
     }
     // return content
     return $content . '</a>';
 }

 public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
 {
     $params = $compiler->getCompiledParams($params);
     $out = $content . Dwoo_Compiler::PHP_OPEN . $prepend . "\n" . '$tmp = ob_get_clean();';
     if ($params['trim'] !== 'false' && $params['trim'] !== 0) {
         $out .= "\n" . '$tmp = trim($tmp);';
     }
     if ($params['cat'] === 'true' || $params['cat'] === 1) {
         $out .= "\n" . '$tmp = $this->readVar(\'dwoo.capture.\'.' . $params['name'] . ') . $tmp;';
     }
     if ($params['assign'] !== 'null') {
         $out .= "\n" . '$this->scope[' . $params['assign'] . '] = $tmp;';
     }
     return $out . "\n" . '$this->globals[\'capture\'][' . $params['name'] . '] = $tmp;' . $append . Dwoo_Compiler::PHP_CLOSE;
 }

 public static function postProcessing(Dwoo_Compiler $compiler, array $params, $prepend, $append, $content)
 {
     if (!isset($params['initialized'])) {
         return '';
     }
     $params = $compiler->getCompiledParams($params);
     $pre = Dwoo_Compiler::PHP_OPEN . "elseif (" . implode(' ', self::replaceKeywords($params['*'], $compiler)) . ") {\n" . Dwoo_Compiler::PHP_CLOSE;
     $post = Dwoo_Compiler::PHP_OPEN . "\n}" . Dwoo_Compiler::PHP_CLOSE;
     if (isset($params['hasElse'])) {
         $post .= $params['hasElse'];
     }
     $block =& $compiler->getCurrentBlock();
     $block['params']['hasElse'] = $pre . $content . $post;
     return '';
 }

 public static function compilerFactory()
 {
     if (!isset(static::$_instance_compiler)) {
         static::$_instance_compiler = \Dwoo_Compiler::compilerFactory();
     }
     return static::$_instance_compiler;
 }

/**
 * Ternary if operation
 *
 * It evaluates the first argument and returns the second if it's true, or the third if it's false
 * <pre>
 *  * rest : you can not use named parameters to call this, use it either with three arguments in the correct order (expression, true result, false result) or write it as in php (expression ? true result : false result)
 * </pre>
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from the use of this software.
 *
 * @author     Jordi Boggiano <j.boggiano@seld.be>
 * @copyright  Copyright (c) 2008, Jordi Boggiano
 * @license    http://dwoo.org/LICENSE   Modified BSD License
 * @link       http://dwoo.org/
 * @version    1.0.0
 * @date       2008-10-23
 * @package    Dwoo
 */
function Dwoo_Plugin_tif_compile(Dwoo_Compiler $compiler, array $rest)
{
    // load if plugin
    if (!class_exists('Dwoo_Plugin_if', false)) {
        try {
            $compiler->getDwoo()->getLoader()->loadPlugin('if');
        } catch (Exception $e) {
            throw new Dwoo_Compilation_Exception($compiler, 'Tif: the if plugin is required to use Tif');
        }
    }
    if (count($rest) == 1) {
        return $rest[0];
    }
    // fetch false result and remove the ":" if it was present
    $falseResult = array_pop($rest);
    if (trim(end($rest), '"\'') === ':') {
        // remove the ':' if present
        array_pop($rest);
    } elseif (trim(end($rest), '"\'') === '?' || count($rest) === 1) {
        if ($falseResult === '?' || $falseResult === ':') {
            throw new Dwoo_Compilation_Exception($compiler, 'Tif: incomplete tif statement, value missing after ' . $falseResult);
        }
        // there was in fact no false result provided, so we move it to be the true result instead
        $trueResult = $falseResult;
        $falseResult = "''";
    }
    // fetch true result if needed
    if (!isset($trueResult)) {
        $trueResult = array_pop($rest);
        // no true result provided so we use the expression arg
        if ($trueResult === '?') {
            $trueResult = true;
        }
    }
    // remove the '?' if present
    if (trim(end($rest), '"\'') === '?') {
        array_pop($rest);
    }
    // check params were correctly provided
    if (empty($rest) || $trueResult === null || $falseResult === null) {
        throw new Dwoo_Compilation_Exception($compiler, 'Tif: you must provide three parameters serving as <expression> ? <true value> : <false value>');
    }
    // parse condition
    $condition = Dwoo_Plugin_if::replaceKeywords($rest, $compiler);
    return '((' . implode(' ', $condition) . ') ? ' . ($trueResult === true ? implode(' ', $condition) : $trueResult) . ' : ' . $falseResult . ')';
}