131 lines
4.1 KiB
PHP
131 lines
4.1 KiB
PHP
<?php
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4: */
|
|
//
|
|
// Copyright (c) 2004-2005 Laurent Bedubourg
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2.1 of the License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// Authors: Laurent Bedubourg <lbedubourg@motion-twin.com>
|
|
//
|
|
|
|
require_once PHPTAL_DIR.'PHPTAL/Php/Attribute.php';
|
|
|
|
// METAL Specification 1.0
|
|
//
|
|
// argument ::= expression
|
|
//
|
|
// Example:
|
|
//
|
|
// <hr />
|
|
// <p metal:use-macro="here/master_page/macros/copyright">
|
|
// <hr />
|
|
//
|
|
// PHPTAL: (here not supported)
|
|
//
|
|
// <?php echo phptal_macro( $tpl, 'master_page.html/macros/copyright'); ? >
|
|
//
|
|
|
|
/**
|
|
* @package phptal.php.attribute.metal
|
|
* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
|
|
*/
|
|
class PHPTAL_Php_Attribute_METAL_UseMacro extends PHPTAL_Php_Attribute
|
|
{
|
|
static $ALLOWED_ATTRIBUTES = array(
|
|
'metal:fill-slot',
|
|
'metal:define-macro',
|
|
'tal:define',
|
|
);
|
|
|
|
public function start()
|
|
{
|
|
$this->pushSlots();
|
|
|
|
foreach ($this->tag->children as $child){
|
|
$this->generateFillSlots($child);
|
|
}
|
|
|
|
$macroname = strtr($this->expression,'-','_');
|
|
|
|
// local macro (no filename specified) and non dynamic macro name
|
|
if (preg_match('/^[a-z0-9_]+$/i', $macroname)) {
|
|
$code = sprintf(
|
|
'%s%s($tpl, $ctx)',
|
|
$this->tag->generator->getFunctionPrefix(),
|
|
$macroname
|
|
);
|
|
$this->tag->generator->pushCode($code);
|
|
}
|
|
// external macro or ${macroname}, use PHPTAL at runtime to resolve it
|
|
else {
|
|
$code = $this->tag->generator->interpolateTalesVarsInString($this->expression);
|
|
$code = sprintf('<?php $tpl->executeMacro(%s); ?>', $code);
|
|
$this->tag->generator->pushHtml($code);
|
|
}
|
|
|
|
$this->popSlots();
|
|
}
|
|
|
|
public function end()
|
|
{
|
|
}
|
|
|
|
private function pushSlots()
|
|
{
|
|
// reset template slots on each macro call ?
|
|
//
|
|
// NOTE: defining a macro and using another macro on the same tag
|
|
// means inheriting from the used macro, thus slots are shared, it
|
|
// is a little tricky to understand but very natural to use.
|
|
//
|
|
// For example, we may have a main design.html containing our main
|
|
// website presentation with some slots (menu, content, etc...) then
|
|
// we may define a member.html macro which use the design.html macro
|
|
// for the general layout, fill the menu slot and let caller templates
|
|
// fill the parent content slot without interfering.
|
|
if (!$this->tag->hasAttribute('metal:define-macro')){
|
|
$this->tag->generator->pushCode('$ctx->pushSlots()');
|
|
}
|
|
}
|
|
|
|
private function popSlots()
|
|
{
|
|
// restore slots if not inherited macro
|
|
if (!$this->tag->hasAttribute('metal:define-macro')){
|
|
$this->tag->generator->pushCode('$ctx->popSlots()');
|
|
}
|
|
}
|
|
|
|
private function generateFillSlots($tag)
|
|
{
|
|
if (false == ($tag instanceOf PHPTAL_Php_Tree))
|
|
return;
|
|
|
|
// if the tag contains one of the allowed attribute, we generate it
|
|
foreach (self::$ALLOWED_ATTRIBUTES as $attribute){
|
|
if ($tag->hasAttribute($attribute)){
|
|
$tag->generate();
|
|
return;
|
|
}
|
|
}
|
|
|
|
// recurse
|
|
foreach ($tag->children as $child){
|
|
$this->generateFillSlots($child);
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|