wtnabe/example.html.php

## example.html.php
<html>
  <head>
    <?= javascript_include_tag(); ?>
    <?= stylesheet_include_tag(); ?>
  </head>
  <body>
    <p>body</p>
  </body>
</html>

## limonade-asset-tag-helper.php
<?php
class Limonade_Simple_Assets {
  /**
   * @var array
   */
  var $ext   = array('stylesheet' => 'css', 'javascript' => 'js');
  /**
   * @var array
   */
  var $paths = array('lib', '');

  static function include_tag($name) {
    $self = new Limonade_Simple_Assets();

    $tag_method = "{$name}_tag";
    $assets     = array();

    if ( option('env') == ENV_PRODUCTION ) {
      return $self->{$tag_method}("application.{$self->ext[$name]}", true);
    } else {
      $assets = array();
      foreach ( $self->paths as $basedir ) {
        $asset_dir = option('public_dir')."/{$name}s";
        $assets    = $assets + $self->shallow_glob($name, $asset_dir, $basedir);
      }

      return join("\n", array_map(array($self, $tag_method), $assets));
    }
  }

  /**
   * @param  string $name
   * @param  string $path
   * @param  string $basedir
   * @return array
   */
  function shallow_glob($name, $path, $basedir) {
    if ( file_exists($path) ) {
      $cwd = getcwd();

      chdir($path);
      $assets = glob(join('/', array_filter(array($basedir, "*.{$this->ext[$name]}"))));
      chdir($cwd);
    }

    return $assets;
  }

  /**
   * @param  string $name
   * @return string
   */
  function combined_file($name, $production = false) {
    $path = '';

    if ( $production ) {
      $cwd = getcwd();
      chdir("{$name}s");
      $glob = glob("application.*\.{$this->ext[$name]}");
      if ( sizeof($glob) > 0 ) {
        $path = reset($glob);
      }
      chdir($cwd);
    }

    return $path;
  }

  /**
   * @param  string  $js
   * @param  boolean $productiokn
   * @return string
   */
  function javascript_tag($js, $production = false) {
    if ( preg_match('/^application\.([^.]+\.)?js$/', $js) or $production ) {
      $js = $this->combined_file('javascript', $production);
    }

    return ($js)
      ? '<script type="text/javascript" src="'.url_for("/javascripts/{$js}").'"></script>'
      : '';
  }

  /**
   * @param  string  $css
   * @param  boolean $production
   * @return string
   */
  function stylesheet_tag($css, $production = false) {
    if ( preg_match('/^application\.([^.]+\.)?css$/', $css ) ) {
      if ( $production )  {
        $css = $this->combined_file('stylesheet', $production);
      } else {
        return '';
      }
    }

    return '<link rel="stylesheet" href="'.url_for("/stylesheets/{$css}").'">';
  }
}

/**
 * @return html
 */
function javascript_include_tag() {
  return Limonade_Simple_Assets::include_tag('javascript');
}

/**
 * @return html
 */
function stylesheet_include_tag() {
  return Limonade_Simple_Assets::include_tag('stylesheet');
}
	<html>
	<head>
	<?= javascript_include_tag(); ?>
	<?= stylesheet_include_tag(); ?>
	</head>
	<body>
	<p>body</p>
	</body>
	</html>
	<?php
	class Limonade_Simple_Assets {
	/**
	* @var array
	*/
	var $ext = array('stylesheet' => 'css', 'javascript' => 'js');
	/**
	* @var array
	*/
	var $paths = array('lib', '');

	static function include_tag($name) {
	$self = new Limonade_Simple_Assets();

	$tag_method = "{$name}_tag";
	$assets = array();

	if ( option('env') == ENV_PRODUCTION ) {
	return $self->{$tag_method}("application.{$self->ext[$name]}", true);
	} else {
	$assets = array();
	foreach ( $self->paths as $basedir ) {
	$asset_dir = option('public_dir')."/{$name}s";
	$assets = $assets + $self->shallow_glob($name, $asset_dir, $basedir);
	}

	return join("\n", array_map(array($self, $tag_method), $assets));
	}
	}

	/**
	* @param string $name
	* @param string $path
	* @param string $basedir
	* @return array
	*/
	function shallow_glob($name, $path, $basedir) {
	if ( file_exists($path) ) {
	$cwd = getcwd();

	chdir($path);
	$assets = glob(join('/', array_filter(array($basedir, "*.{$this->ext[$name]}"))));
	chdir($cwd);
	}

	return $assets;
	}

	/**
	* @param string $name
	* @return string
	*/
	function combined_file($name, $production = false) {
	$path = '';

	if ( $production ) {
	$cwd = getcwd();
	chdir("{$name}s");
	$glob = glob("application.*\.{$this->ext[$name]}");
	if ( sizeof($glob) > 0 ) {
	$path = reset($glob);
	}
	chdir($cwd);
	}

	return $path;
	}

	/**
	* @param string $js
	* @param boolean $productiokn
	* @return string
	*/
	function javascript_tag($js, $production = false) {
	if ( preg_match('/^application\.([^.]+\.)?js$/', $js) or $production ) {
	$js = $this->combined_file('javascript', $production);
	}

	return ($js)
	? '<script type="text/javascript" src="'.url_for("/javascripts/{$js}").'"></script>'
	: '';
	}

	/**
	* @param string $css
	* @param boolean $production
	* @return string
	*/
	function stylesheet_tag($css, $production = false) {
	if ( preg_match('/^application\.([^.]+\.)?css$/', $css ) ) {
	if ( $production ) {
	$css = $this->combined_file('stylesheet', $production);
	} else {
	return '';
	}
	}

	return '<link rel="stylesheet" href="'.url_for("/stylesheets/{$css}").'">';
	}
	}

	/**
	* @return html
	*/
	function javascript_include_tag() {
	return Limonade_Simple_Assets::include_tag('javascript');
	}

	/**
	* @return html
	*/
	function stylesheet_include_tag() {
	return Limonade_Simple_Assets::include_tag('stylesheet');
	}