Location: PHPKode > scripts > ApiGen > apigen/libs/Nette/Nette/Latte/Macros/MacroSet.php
<?php

/**
 * This file is part of the Nette Framework (http://nette.org)
 *
 * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 *
 * For the full copyright and license information, please view
 * the file license.txt that was distributed with this source code.
 */

namespace Nette\Latte\Macros;

use Nette,
	Nette\Latte,
	Nette\Latte\MacroNode;



/**
 * Base IMacro implementation. Allows add multiple macros.
 *
 * @author     David Grudl
 */
class MacroSet extends Nette\Object implements Latte\IMacro
{
	/** @var Latte\Compiler */
	private $compiler;

	/** @var array */
	private $macros;



	public function __construct(Latte\Compiler $compiler)
	{
		$this->compiler = $compiler;
	}



	public function addMacro($name, $begin, $end = NULL, $attr = NULL)
	{
		$this->macros[$name] = array($begin, $end, $attr);
		$this->compiler->addMacro($name, $this);
		return $this;
	}



	public static function install(Latte\Compiler $compiler)
	{
		return new static($compiler);
	}



	/**
	 * Initializes before template parsing.
	 * @return void
	 */
	public function initialize()
	{
	}



	/**
	 * Finishes template parsing.
	 * @return array(prolog, epilog)
	 */
	public function finalize()
	{
	}



	/**
	 * New node is found.
	 * @return bool
	 */
	public function nodeOpened(MacroNode $node)
	{
		if ($this->macros[$node->name][2] && $node->htmlNode) {
			$node->isEmpty = TRUE;
			$this->compiler->setContext(Latte\Compiler::CONTEXT_DOUBLE_QUOTED);
			$res = $this->compile($node, $this->macros[$node->name][2]);
			$this->compiler->setContext(NULL);
			if (!$node->attrCode) {
				$node->attrCode = "<?php $res ?>";
			}
		} else {
			$node->isEmpty = !isset($this->macros[$node->name][1]);
			$res = $this->compile($node, $this->macros[$node->name][0]);
			if (!$node->openingCode) {
				$node->openingCode = "<?php $res ?>";
			}
		}
		return $res !== FALSE;
	}



	/**
	 * Node is closed.
	 * @return void
	 */
	public function nodeClosed(MacroNode $node)
	{
		$res = $this->compile($node, $this->macros[$node->name][1]);
		if (!$node->closingCode) {
			$node->closingCode = "<?php $res ?>";
		}
	}



	/**
	 * Generates code.
	 * @return string
	 */
	private function compile(MacroNode $node, $def)
	{
		$node->tokenizer->reset();
		$writer = Latte\PhpWriter::using($node, $this->compiler);
		if (is_string($def)/*5.2* && substr($def, 0, 1) !== "\0"*/) {
			return $writer->write($def);
		} else {
			return Nette\Callback::create($def)->invoke($node, $writer);
		}
	}



	/**
	 * @return Latte\Compiler
	 */
	public function getCompiler()
	{
		return $this->compiler;
	}

}
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