/**
* 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 <*****@*****.**>
* @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;
}
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;
}
/**
* Loads sub-templates contained in an external file
* <pre>
* * file : the resource name of the file to load
* </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 <*****@*****.**>
* @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_load_templates_compile(Dwoo_Compiler $compiler, $file)
{
$file = substr($file, 1, -1);
if ($file === '') {
return;
}
if (preg_match('#^([a-z]{2,}):(.*)$#i', $file, $m)) {
// resource:identifier given, extract them
$resource = $m[1];
$identifier = $m[2];
} else {
// get the current template's resource
$resource = $compiler->getDwoo()->getTemplate()->getResourceName();
$identifier = $file;
}
$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.');
}
$cmp = clone $compiler;
$cmp->compile($compiler->getDwoo(), $tpl);
foreach ($cmp->getTemplatePlugins() as $template => $args) {
$compiler->addTemplatePlugin($template, $args['params'], $args['uuid'], $args['body']);
}
foreach ($cmp->getUsedPlugins() as $plugin => $type) {
$compiler->addUsedPlugin($plugin, $type);
}
$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;
}
/**
* 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 <*****@*****.**>
* @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 . ')';
}
public static function compile(Dwoo_Compiler $compiler, $file)
{
list(self::$lraw, self::$rraw) = $compiler->getDelimiters();
self::$l = preg_quote(self::$lraw, '/');
self::$r = preg_quote(self::$rraw, '/');
if ($compiler->getLooseOpeningHandling()) {
self::$l .= '\\s*';
self::$r = '\\s*' . self::$r;
}
$inheritanceTree = array(array('source' => $compiler->getTemplateSource()));
$curPath = dirname($compiler->getDwoo()->getTemplate()->getResourceIdentifier()) . DIRECTORY_SEPARATOR;
$curTpl = $compiler->getDwoo()->getTemplate();
while (!empty($file)) {
if ($file === '""' || $file === "''" || substr($file, 0, 1) !== '"' && substr($file, 0, 1) !== '\'') {
throw new Dwoo_Compilation_Exception($compiler, 'Extends : The file name must be a non-empty string');
return;
}
if (preg_match('#^["\']([a-z]{2,}):(.*?)["\']$#i', $file, $m)) {
// resource:identifier given, extract them
$resource = $m[1];
$identifier = $m[2];
} else {
// get the current template's resource
$resource = $curTpl->getResourceName();
$identifier = substr($file, 1, -1);
}
try {
$parent = $compiler->getDwoo()->templateFactory($resource, $identifier, null, null, null, $curTpl);
} catch (Dwoo_Security_Exception $e) {
throw new Dwoo_Compilation_Exception($compiler, 'Extends : Security restriction : ' . $e->getMessage());
} catch (Dwoo_Exception $e) {
throw new Dwoo_Compilation_Exception($compiler, 'Extends : ' . $e->getMessage());
}
if ($parent === null) {
throw new Dwoo_Compilation_Exception($compiler, 'Extends : Resource "' . $resource . ':' . $identifier . '" not found.');
} elseif ($parent === false) {
throw new Dwoo_Compilation_Exception($compiler, 'Extends : Resource "' . $resource . '" does not support extends.');
}
$curTpl = $parent;
$newParent = array('source' => $parent->getSource(), 'resource' => $resource, 'identifier' => $parent->getResourceIdentifier(), 'uid' => $parent->getUid());
if (array_search($newParent, $inheritanceTree, true) !== false) {
throw new Dwoo_Compilation_Exception($compiler, 'Extends : Recursive template inheritance detected');
}
$inheritanceTree[] = $newParent;
if (preg_match('/^' . self::$l . 'extends(?:\\(?\\s*|\\s+)(?:file=)?\\s*((["\']).+?\\2|\\S+?)\\s*\\)?\\s*?' . self::$r . '/i', $parent->getSource(), $match)) {
$curPath = dirname($identifier) . DIRECTORY_SEPARATOR;
if (isset($match[2]) && $match[2] == '"') {
$file = '"' . str_replace('"', '\\"', substr($match[1], 1, -1)) . '"';
} elseif (isset($match[2]) && $match[2] == "'") {
$file = '"' . substr($match[1], 1, -1) . '"';
} else {
$file = '"' . $match[1] . '"';
}
} else {
$file = false;
}
}
while (true) {
$parent = array_pop($inheritanceTree);
$child = end($inheritanceTree);
self::$childSource = $child['source'];
self::$lastReplacement = count($inheritanceTree) === 1;
if (!isset($newSource)) {
$newSource = $parent['source'];
}
// TODO parse blocks tree for child source and new source
// TODO replace blocks that are found in the child and in the parent recursively
$firstL = preg_quote(self::$lraw[0], '/');
$restL = preg_quote(substr(self::$lraw, 1), '/');
$newSource = preg_replace_callback('/' . self::$l . 'block (["\']?)(.+?)\\1' . self::$r . '(?:\\r?\\n?)((?:[^' . $firstL . ']*|' . $firstL . '(?!' . $restL . '\\/block' . self::$r . '))*)' . self::$l . '\\/block' . self::$r . '/is', array('Dwoo_Plugin_extends', 'replaceBlock'), $newSource);
$newSource = self::$lraw . 'do extendsCheck("' . $parent['resource'] . ':' . $parent['identifier'] . '")' . self::$rraw . $newSource;
if (self::$lastReplacement) {
break;
}
}
$compiler->setTemplateSource($newSource);
$compiler->recompile();
}
public function __construct(Dwoo_Compiler $compiler, $message)
{
$this->compiler = $compiler;
$this->template = $compiler->getDwoo()->getTemplate();
parent::__construct('Compilation error at line ' . $compiler->getLine() . ' in "' . $this->template->getResourceName() . ':' . $this->template->getResourceIdentifier() . '" : ' . $message);
}
