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Done #66, dev dynamic extends

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This commit is contained in:
Ivan Shalganov
2014-02-22 20:34:53 +04:00
parent 3adafb6fcc
commit a523d4a4aa
29 changed files with 174 additions and 92 deletions
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77
src/Fenom/Compiler.php
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@ -466,75 +466,46 @@ class Compiler
* Dispatch {extends} tag
* @param Tokenizer $tokens
* @param Template $tpl
* @throws InvalidUsageException
* @throws \RuntimeException
* @throws Error\InvalidUsageException
* @return string
*/
public static function tagExtends(Tokenizer $tokens, Template $tpl)
{
if (!empty($tpl->_extends)) {
if ($tpl->extends) {
throw new InvalidUsageException("Only one {extends} allowed");
} elseif ($tpl->getStackSize()) {
throw new InvalidUsageException("Tags {extends} can not be nested");
}
$tpl_name = $tpl->parsePlainArg($tokens, $name);
if (empty($tpl->_extended)) {
$cname = $tpl->parsePlainArg($tokens, $name);
if($name) {
$tpl->extends = $name;
} else {
$tpl->dynamic_extends = $cname;
}
if(!$tpl->extended) {
$tpl->addPostCompile(__CLASS__ . "::extendBody");
}
if ($tpl->getOptions() & Template::DYNAMIC_EXTEND) {
$tpl->_compatible = true;
}
if ($name) { // static extends
$tpl->_extends = $tpl->getStorage()->getRawTemplate()->load($name, false);
if (!isset($tpl->_compatible)) {
$tpl->_compatible = & $tpl->_extends->_compatible;
}
$tpl->addDepend($tpl->_extends);
return "";
} else { // dynamic extends
if (!isset($tpl->_compatible)) {
$tpl->_compatible = true;
}
$tpl->_extends = $tpl_name;
return '$parent = $tpl->getStorage()->getTemplate(' . $tpl_name . ', \Fenom\Template::EXTENDED);';
}
}
/**
* Post compile action for {extends ...} tag
* @param string $body
* @param Template $tpl
* @param string $body
*/
public static function extendBody(&$body, $tpl)
public static function extendBody($tpl, &$body)
{
$t = $tpl;
if ($tpl->uses) {
$tpl->blocks += $tpl->uses;
}
while (isset($t->_extends)) {
$t = $t->_extends;
if (is_object($t)) {
/* @var \Fenom\Template $t */
$t->_extended = true;
$tpl->addDepend($t);
$t->_compatible = & $tpl->_compatible;
$t->blocks = & $tpl->blocks;
$t->compile();
if ($t->uses) {
$tpl->blocks += $t->uses;
}
if (!isset($t->_extends)) { // last item => parent
if (empty($tpl->_compatible)) {
$body = $t->getBody();
} else {
$body = '<?php ob_start(); ?>' . $body . '<?php ob_end_clean(); ?>' . $t->getBody();
}
return;
} else {
$body .= $t->getBody();
}
} else {
$body = '<?php ob_start(); ?>' . $body . '<?php ob_end_clean(); $parent->b = &$tpl->b; $parent->display((array)$tpl); unset($tpl->b, $parent->b); ?>';
return;
if($tpl->dynamic_extends) {
$body = "";
foreach($tpl->blocks as $name => $block) {
$body .= '<?php $tpl->blocks["'.$name.'"] = function ($var, $tpl) { ?>'.PHP_EOL.$block['block'].'<?php } ?>'.PHP_EOL.PHP_EOL;
}
$body .= '<?php $tpl->getStorage()->getTemplate('.$tpl->dynamic_extends.', \Fenom\Template::DYNAMIC_EXTEND)->display($var); ?>';
} else {
$child = $tpl;
while($child && $child->extends) {
$parent = $tpl->extend($child->extends);
$child = $parent->extends ? $parent : false;
}
}
}
@ -587,6 +558,7 @@ class Compiler
{
$tpl = $scope->tpl;
$name = $scope["name"];
if(isset($tpl->blocks[$name])) { // block defined
$block = &$tpl->blocks[$name];
if($block['use_parent']) {
@ -602,6 +574,7 @@ class Compiler
$scope->replaceContent($block["block"]);
}
}
$tpl->blocks[$scope["name"]] = [
"from" => $tpl->getName(),
"import" => false,