Beautify_Html.php

<?php
namespace RedCat\Templix;
/**
 * from https://github.com/ivanweiler/beautify-html
 * Beautify_Html class
 * 
 * The MIT License (MIT)
 * 
 * Copyright (c) 2007-2013 Einar Lielmanis and contributors.
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE. 
 * 
 * PHP port by Ivan Weiler, 2014
 * 
 */
class Beautify_Html
{
	private $options;
	
	private $pos;
	private $token;
	private $current_mode;
	private $tags;
	private $tag_type;
	private $token_text;
	private $last_token;
	private $last_text;
	private $token_type;
	private $newlines;
	private $indent_content;
	private $indent_level;
	private $line_char_count;
	private $indent_string;
	
	private $whitespace = array("\n", "\r", "\t", " ");
	
	//all the single tags for HTML
	private $single_token = array(
		'br', 'input', 'link', 'meta', '!doctype', 'basefont', 'base', 'area',
		'hr','wbr','param','img','isindex','?xml','embed','?php','?','?='
	);
	
	//for tags that need a line of whitespace before them
	private $extra_liners = array('head', 'body', '/html');
	
	public function __construct($options = array(), $css_beautify = null, $js_beautify = null)
	{
		$this->set_options($options);
		
		$this->css_beautify = ($css_beautify && is_callable($css_beautify)) ? $css_beautify : false;
		$this->js_beautify = ($js_beautify && is_callable($js_beautify)) ? $js_beautify : false;
		
		$this->pos = 0; //Parser position
		$this->token = '';
		$this->current_mode = 'CONTENT'; //reflects the current Parser mode: TAG/CONTENT
		
		//An object to hold tags, their position, and their parent-tags, initiated with default values
		$this->tags = array(
			'parent'		=> 'parent1',
			'parentcount'	=> 1,
			'parent1'		=> ''
		);		
		
		$this->tag_type = '';
		$this->token_text = $this->last_token = $this->last_text = $this->token_type = '';
		$this->newlines = 0;
		
		$this->indent_content = $this->options['indent_inner_html'];
		$this->indent_level = 0;
		$this->line_char_count = 0; //count to see if wrap_line_length was exceeded
		$this->indent_string = str_repeat($this->options['indent_char'], $this->options['indent_size']);		
	}

	public function set_options($options)
	{
		if(isset($options['indent_inner_html'])) {
			$this->options['indent_inner_html'] = (bool)$options['indent_inner_html'];
		} else {
			$this->options['indent_inner_html'] = false;
		}

		if(isset($options['indent_size'])) {
			$this->options['indent_size'] = (int)$options['indent_size'];
		} else {
			$this->options['indent_size'] = 4;
		}
		
		if(isset($options['indent_char'])) {
			$this->options['indent_char'] = (string)$options['indent_char'];
		} else {
			$this->options['indent_char'] = ' ';
		}
		
		if(isset($options['indent_scripts']) && in_array($options['indent_scripts'], array('keep', 'separate', 'normal'))) {
			$this->options['indent_scripts'] = $options['indent_scripts'];
		} else {
			$this->options['indent_scripts'] = 'normal';
		}	

		if(isset($options['wrap_line_length'])) {
			$this->options['wrap_line_length'] = (int)$options['wrap_line_length'];
		} else {
			$this->options['wrap_line_length'] = 32786;
		}		
		
		if(isset($options['unformatted']) && is_array($options['unformatted'])) {
			$this->options['unformatted'] = $options['unformatted'];
		} else {
			$this->options['unformatted'] = array(
				'a', 'span', 'bdo', 'em', 'strong', 'dfn', 'code', 'samp', 'kbd', 'var', 'cite', 'abbr', 
				'acronym', 'q', 'sub', 'sup', 'tt', 'i', 'b', 'big', 'small', 'u', 's', 'strike', 
				'font', 'ins', 'del', 'pre', 'address', 'dt', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'
			);
		}
			
		if(isset($options['preserve_newlines'])) {
			$this->options['preserve_newlines'] = (bool)$options['preserve_newlines'];
		} else {
			$this->options['preserve_newlines'] = true;
		}	
		
		if($this->options['preserve_newlines'] && isset($options['max_preserve_newlines'])) {
			$this->options['max_preserve_newlines'] = (int)$options['max_preserve_newlines'];
		} else {
			$this->options['max_preserve_newlines'] = 0;
		}		
	} 
	
	private function traverse_whitespace()
	{
		$input_char = isset($this->input[$this->pos]) ? $this->input[$this->pos] : '';
		if ($input_char && in_array($input_char, $this->whitespace)) {
			
			$this->newlines = 0;
			while ($input_char && in_array($input_char, $this->whitespace)) {
				if ($this->options['preserve_newlines'] && 
						$input_char === "\n" && 
						$this->newlines <= $this->options['max_preserve_newlines']) {
					$this->newlines += 1;
				}

				$this->pos++;
				$input_char = isset($this->input[$this->pos]) ? $this->input[$this->pos] : '';
			}
			return true;
			
		}
		return false;
	}
	
	//function to capture regular content between tags
	private function get_content()
	{
		$input_char = '';
		$content = array();
		$space = false; //if a space is needed

		while (isset($this->input[$this->pos]) && $this->input[$this->pos] !== '<') {
			
			if ($this->pos >= $this->input_length) {
				return count($content) ? implode('', $content) : array('', 'TK_EOF');
			}

			if ($this->traverse_whitespace()) {
				if (count($content)) {
					$space = true;
				}
				continue; //don't want to insert unnecessary space
			}

			$input_char = $this->input[$this->pos];
			$this->pos++;

			if ($space) {
				if ($this->line_char_count >= $this->options['wrap_line_length']) { //insert a line when the wrap_line_length is reached
					$this->print_newline(false, $content);
					$this->print_indentation($content);
				} else {
					$this->line_char_count++;
					$content[] = ' ';
				}
				$space = false;
			}
			$this->line_char_count++;
			$content[] = $input_char; //letter at-a-time (or string) inserted to an array
		}
		
		return count($content) ? implode('', $content) : '';
	}
	
	//get the full content of a script or style to pass to js_beautify
	private function get_contents_to($name) 
	{
		if ($this->pos === $this->input_length) {
			return array('', 'TK_EOF');
		}
		$input_char = '';
		$content = '';
		
		$reg_array = array();
		preg_match('#</' . preg_quote($name, '#') . '\\s*>#im', $this->input, $reg_array, PREG_OFFSET_CAPTURE, $this->pos);	
		$end_script = $reg_array ? ($reg_array[0][1]) : $this->input_length; //absolute end of script
		
		if ($this->pos < $end_script) { //get everything in between the script tags
			$content = substr($this->input, $this->pos, max($end_script-$this->pos, 0));
			$this->pos = $end_script;
		}

		return $content;
	}
	
	//function to record a tag and its parent in this.tags Object
	private function record_tag($tag)
	{
		if (isset($this->tags[$tag . 'count'])) { //check for the existence of this tag type
			$this->tags[$tag . 'count']++;
			$this->tags[$tag . $this->tags[$tag . 'count']] = $this->indent_level; //and record the present indent level
		} else { //otherwise initialize this tag type
			$this->tags[$tag . 'count'] = 1;
			$this->tags[$tag . $this->tags[$tag . 'count']] = $this->indent_level; //and record the present indent level
		}
		$this->tags[$tag . $this->tags[$tag . 'count'] . 'parent'] = $this->tags['parent']; //set the parent (i.e. in the case of a div this.tags.div1parent)
		$this->tags['parent'] = $tag . $this->tags[$tag . 'count']; //and make this the current parent (i.e. in the case of a div 'div1')
	}
	

	//function to retrieve the opening tag to the corresponding closer
	private function retrieve_tag($tag)
	{
		if (isset($this->tags[$tag . 'count'])) { //if the openener is not in the Object we ignore it
			$temp_parent = $this->tags['parent']; //check to see if it's a closable tag.
			while ($temp_parent) { //till we reach '' (the initial value);
				if ($tag . $this->tags[$tag . 'count'] === $temp_parent) { //if this is it use it
					break;
				}
				$temp_parent = isset($this->tags[$temp_parent . 'parent']) ? $this->tags[$temp_parent . 'parent'] : ''; //otherwise keep on climbing up the DOM Tree
			}
			if ($temp_parent) { //if we caught something
				$this->indent_level = $this->tags[$tag . $this->tags[$tag . 'count']]; //set the indent_level accordingly
				$this->tags['parent'] = $this->tags[$temp_parent . 'parent']; //and set the current parent
			}
			unset($this->tags[$tag . $this->tags[$tag . 'count'] . 'parent']); //delete the closed tags parent reference...
			unset($this->tags[$tag . $this->tags[$tag . 'count']]); //...and the tag itself
			if ($this->tags[$tag . 'count'] === 1) {
				unset($this->tags[$tag . 'count']);
			} else {
				$this->tags[$tag . 'count']--;
			}
		}
	}

	private function indent_to_tag($tag)
	{
		// Match the indentation level to the last use of this tag, but don't remove it.
		if (!$this->tags[$tag . 'count']) {
			return;
		}
		$temp_parent = $this->tags['parent'];
		while ($temp_parent) {
			if ($tag . $this->tags[$tag . 'count'] === $temp_parent) {
				break;
			}
			$temp_parent = $this->tags[$temp_parent . 'parent'];
		}
		if ($temp_parent) {
			$this->indent_level = $this->tags[$tag . $this->tags[$tag . 'count']];
		}
	}

	//function to get a full tag and parse its type
	private function get_tag($peek = false)
	{
		$input_char = '';
		$content = array();
		$comment = '';
		$space = false;
		$tag_start;
		$tag_end;
		$tag_start_char = false;
		$orig_pos = $this->pos;
		$orig_line_char_count = $this->line_char_count;

		do {
			if ($this->pos >= $this->input_length) {
				if ($peek) {
					$this->pos = $orig_pos;
					$this->line_char_count = $orig_line_char_count;
				}
				return count($content) ? implode('', $content) : array('', 'TK_EOF');
			}

			$input_char = $this->input[$this->pos];
			$this->pos++;
			
			if (in_array($input_char, $this->whitespace)) { //don't want to insert unnecessary space
				$space = true;
				continue;
			}

			if ($input_char === "'" || $input_char === '"') {
				$input_char .= $this->get_unformatted($input_char);
				$space = true;
			}

			if ($input_char === '=') { //no space before =
				$space = false;
			}

			if (count($content) && $content[count($content) - 1] !== '=' && $input_char !== '>' && $space) {
				//no space after = or before >
				if ($this->line_char_count >= $this->options['wrap_line_length']) {
					$this->print_newline(false, $content);
					$this->print_indentation($content);
				} else {
					$content[] = ' ';
					$this->line_char_count++;
				}
				$space = false;
			}

			if ($input_char === '<' && !$tag_start_char) {
				$tag_start = $this->pos - 1;
				$tag_start_char = '<';
			}

			$this->line_char_count++;
			$content[] = $input_char; //inserts character at-a-time (or string)

			if (isset($content[1]) && $content[1] === '!') { //if we're in a comment, do something special
				// We treat all comments as literals, even more than preformatted tags
				// we just look for the appropriate close tag
				$content = array($this->get_comment($tag_start));
				break;
			}

		} while ($input_char !== '>');

		$tag_complete = implode('', $content);

		if (strpos($tag_complete, ' ') !== false) { //if there's whitespace, thats where the tag name ends
			$tag_index = strpos($tag_complete, ' ');
		} else { //otherwise go with the tag ending
			$tag_index = strpos($tag_complete, '>');
		}
		if ($tag_complete[0] === '<') {
			$tag_offset = 1;
		} else {
			$tag_offset = $tag_complete[2] === '#' ? 3 : 2;
		}
		$tag_check = strtolower(substr($tag_complete, $tag_offset, max($tag_index-$tag_offset, 0)));
		
		if ($tag_complete[strlen($tag_complete) - 2] === '/' ||
			in_array($tag_check, $this->single_token)) { //if this tag name is a single tag type (either in the list or has a closing /)
			if (!$peek) {
				$this->tag_type = 'SINGLE';
			}
		} else if ($tag_check === 'script' /*&&
			(strpos($tag_complete, 'type') === false ||
			(strpos($tag_complete, 'type') !== false &&
			preg_match('/\b(text|application)\/(x-)?(javascript|ecmascript|jscript|livescript)/', $tag_complete)))*/
		) {
			if (!$peek) {
				$this->record_tag($tag_check);
				$this->tag_type = 'SCRIPT';
			}
		} else if ($tag_check === 'style' /*&&
			(strpos($tag_complete, 'type') === false ||
			(strpos($tag_complete, 'type') !==false && strpos($tag_complete, 'text/css') !== false))*/
		) {
			if (!$peek) {
				$this->record_tag($tag_check);
				$this->tag_type = 'STYLE';
			}
		} else if ($this->is_unformatted($tag_check)) { // do not reformat the "unformatted" tags
			$comment = $this->get_unformatted('</' . $tag_check . '>', $tag_complete); //...delegate to get_unformatted function
			
			$content[] = $comment;
			
			// Preserve collapsed whitespace either before or after this tag.
			if ($tag_start > 0 && in_array($this->input[$tag_start - 1], $this->whitespace)) {
				array_splice($content, 0, 0, $this->input[$tag_start - 1]);
			}
			$tag_end = $this->pos - 1;
			//if (in_array($this->input[$tag_end + 1], $this->whitespace)) {
			if (isset($this->input[$tag_end + 1]) && in_array($this->input[$tag_end + 1], $this->whitespace)) { //surikat bugfix
				$content[] = $this->input[$tag_end + 1];
			}
			$this->tag_type = 'SINGLE';
		} else if ($tag_check && $tag_check[0] === '!') { //peek for <! comment
			// for comments content is already correct.
			if (!$peek) {
				$this->tag_type = 'SINGLE';
				$this->traverse_whitespace();
			}
		} else if (!$peek) {
			if ($tag_check && $tag_check[0] === '/') { //this tag is a double tag so check for tag-ending
				$this->retrieve_tag(substr($tag_check, 1)); //remove it and all ancestors
				$this->tag_type = 'END';
				$this->traverse_whitespace();
			} else { //otherwise it's a start-tag
				$this->record_tag($tag_check); //push it on the tag stack
				if (strtolower($tag_check) !== 'html') {
					$this->indent_content = true;
				}
				$this->tag_type = 'START';

				// Allow preserving of newlines after a start tag
				$this->traverse_whitespace();
			}
			if (in_array($tag_check, $this->extra_liners)) { //check if this double needs an extra line
				$this->print_newline(false, $this->output);
				if (count($this->output) && $this->output[count($this->output) - 2] !== "\n") {
					$this->print_newline(true, $this->output);
				}
			}
		}

		if ($peek) {
			$this->pos = $orig_pos;
			$this->line_char_count = $orig_line_char_count;
		}

		return implode('', $content); //returns fully formatted tag
	}

	//function to return comment content in its entirety
	private function get_comment($start_pos)
	{
		// this is will have very poor perf, but will work for now.
		$comment = '';
		$delimiter = '>';
		$matched = false;

		$this->pos = $start_pos;
		$input_char = $this->input[$this->pos];
		$this->pos++;

		while ($this->pos <= $this->input_length) {
			$comment .= $input_char;

			// only need to check for the delimiter if the last chars match
			if ($comment[strlen($comment) - 1] === $delimiter[strlen($delimiter) - 1] &&
				strpos($comment, $delimiter) !== false) {
				break;
			}

			// only need to search for custom delimiter for the first few characters
			if (!$matched && strlen($comment) < 10) {
				if (strpos($comment, '<![if') === 0) { //peek for <![if conditional comment
					$delimiter = '<![endif]>';
					$matched = true;
				} else if (strpos($comment, '<![cdata[') === 0) { //if it's a <[cdata[ comment...
					$delimiter = ']]>';
					$matched = true;
				} else if (strpos($comment, '<![') === 0) { // some other ![ comment? ...
					$delimiter = ']>';
					$matched = true;
				} else if (strpos($comment, '<!--') === 0) { // <!-- comment ...
					$delimiter = '-->';
					$matched = true;
				}
			}

			$input_char = $this->input[$this->pos];
			$this->pos++;
		}

		return $comment;
	}

	//function to return unformatted content in its entirety
	private function get_unformatted($delimiter, $orig_tag = false)
	{
		if ($orig_tag && strpos(strtolower($orig_tag), $delimiter) !== false) {
			return '';
		}
		
		$input_char = '';
		$content = '';
		$min_index = 0;
		$space = true;
		
		do {
			if ($this->pos >= $this->input_length) {
				return $content;
			}

			$input_char = $this->input[$this->pos];
			$this->pos++;

			if (in_array($input_char, $this->whitespace)) {
				if (!$space) {
					$this->line_char_count--;
					continue;
				}
				if ($input_char === "\n" || $input_char === "\r") {
					$content .= "\n";
					/*  Don't change tab indention for unformatted blocks.  If using code for html editing, this will greatly affect <pre> tags if they are specified in the 'unformatted array'
					for ($i = 0; $i < $this->indent_level; i++) {
					  $content .= $this->indent_string;
					}
					$space = false; //...and make sure other indentation is erased
					*/
					$this->line_char_count = 0;
					continue;
				}
			}
			$content .= $input_char;
			$this->line_char_count++;
			$space = true;

		} while ( strpos(strtolower($content), $delimiter, $min_index) === false);
		
		return $content;
	}

	//initial handler for token-retrieval
	private function get_token() 
	{
		if ($this->last_token === 'TK_TAG_SCRIPT' || $this->last_token === 'TK_TAG_STYLE') { //check if we need to format javascript
			$type = substr($this->last_token, 7);
			$token = $this->get_contents_to($type);
			if (!is_string($token)) {
				return $token;
			}
			return array($token, 'TK_' . $type);
		}
		if ($this->current_mode === 'CONTENT') {
			$token = $this->get_content();
			
			if (!is_string($token)) {
				return $token;
			} else {
				return array($token, 'TK_CONTENT');
			}
		}

		if ($this->current_mode === 'TAG') {
			$token = $this->get_tag();

			if (!is_string($token)) {
				return $token;
			} else {
				$tag_name_type = 'TK_TAG_' . $this->tag_type;
				return array($token, $tag_name_type);
			}
		}
	}

	private function get_full_indent($level)
	{
		$level = $this->indent_level + $level || 0;
		if ($level < 1) {
			return '';
		}

		return str_repeat($this->indent_string, $level);
	}
	
	private function is_unformatted($tag_check)
	{
		//is this an HTML5 block-level link?
		if (!in_array($tag_check, $this->options['unformatted'])) {
			return false;
		}

		if (strtolower($tag_check) !== 'a' || !in_array('a', $this->options['unformatted'])) {
			return true;
		}

		//at this point we have an  tag; is its first child something we want to remain unformatted?
		$next_tag = $this->get_tag(true /* peek. */ );

		// test next_tag to see if it is just html tag (no external content)
		$matches = array();
		preg_match('/^\s*<\s*\/?([a-z]*)\s*[^>]*>\s*$/', ($next_tag ? $next_tag : ""), $matches);
		$tag = $matches ? $matches : null;

		// if next_tag comes back but is not an isolated tag, then
		// let's treat the 'a' tag as having content
		// and respect the unformatted option
		if (!$tag || in_array($tag, $this->options['unformatted'])) {
			return true;
		} else {
			return false;
		}
	}

	private function print_newline($force, &$arr)
	{
		$this->line_char_count = 0;
		if (!$arr || !count($arr)) {
			return;
		}
		if ($force || ($arr[count($arr) - 1] !== "\n")) { //we might want the extra line
			$arr[] = "\n";
		}
	}
	
	private function print_indentation(&$arr)
	{
		for ($i = 0; $i < $this->indent_level; $i++) {
			$arr[] = $this->indent_string;
			$this->line_char_count += strlen($this->indent_string);
		}
	}
	
	private function print_token($text)
	{
		if ($text || $text !== '') {
			if (count($this->output) && $this->output[count($this->output) - 1] === "\n") {
				$this->print_indentation($this->output);
				$text = ltrim($text);
			}
		}
		$this->print_token_raw($text);
	}
	
	private function print_token_raw($text)
	{
		if ($text && $text !== '') {
			if (strlen($text) > 1 && $text[strlen($text) - 1] === "\n") {
				// unformatted tags can grab newlines as their last character
				$this->output[] = substr($text, 0, -1);
				$this->print_newline(false, $this->output);
			} else {
				$this->output[] = $text;
			}
		}
	
		for ($n = 0; $n < $this->newlines; $n++) {
			$this->print_newline($n > 0, $this->output);
		}
		$this->newlines = 0;
	}
	
	private function indent() 
	{
		$this->indent_level++;
	}
	
	private function unindent()
	{
		if ($this->indent_level > 0) {
			$this->indent_level--;
		}
	}

	public function beautify($input)
	{
		$this->input = $input; //gets the input for the Parser
		$this->input_length = strlen($this->input);
		$this->output = array();

		while (true) {
			$t = $this->get_token();

			$this->token_text = $t[0];
			$this->token_type = $t[1];
	
			if ($this->token_type === 'TK_EOF') {
				break;
			}
	
			switch ($this->token_type) {
				case 'TK_TAG_START':
					$this->print_newline(false, $this->output);
					$this->print_token($this->token_text);
					if ($this->indent_content) {
						$this->indent();
						$this->indent_content = false;
					}
					$this->current_mode = 'CONTENT';
					break;
				case 'TK_TAG_STYLE':
				case 'TK_TAG_SCRIPT':
					$this->print_newline(false, $this->output);
					$this->print_token($this->token_text);
					$this->current_mode = 'CONTENT';
					break;
				case 'TK_TAG_END':
					//Print new line only if the tag has no content and has child
					if ($this->last_token === 'TK_CONTENT' && $this->last_text === '') {
						$matches = array();
						preg_match('/\w+/', $this->token_text, $matches);
						$tag_name = isset($matches[0]) ? $matches[0] : null;
	
						$tag_extracted_from_last_output = null;
						if (count($this->output)) {
							$matches = array();
							preg_match('/(?:<|{{#)\s*(\w+)/', $this->output[count($this->output) - 1], $matches);
							$tag_extracted_from_last_output = isset($matches[0]) ? $matches[0] : null;
						}
						if ($tag_extracted_from_last_output === null || $tag_extracted_from_last_output[1] !== $tag_name) {
							$this->print_newline(false, $this->output);
						}
					}
					$this->print_token($this->token_text);
					$this->current_mode = 'CONTENT';
					break;
				case 'TK_TAG_SINGLE':
					// Don't add a newline before elements that should remain unformatted.
					$matches = array();
					preg_match('/^\s*<([a-z]+)/i', $this->token_text, $matches);
					$tag_check = $matches ? $matches : null;
						
					if (!$tag_check || !in_array($tag_check[1], $this->options['unformatted'])) {
						$this->print_newline(false, $this->output);
					}
					$this->print_token($this->token_text);
					$this->current_mode = 'CONTENT';
					break;
				case 'TK_CONTENT':
					$this->print_token($this->token_text);
					$this->current_mode = 'TAG';
					break;
				case 'TK_STYLE':
				case 'TK_SCRIPT':
					if ($this->token_text !== '') {
						$this->print_newline(false, $this->output);
						$text = $this->token_text;
						$_beautifier = false;
						$script_indent_level = 1;
						
						if ($this->token_type === 'TK_SCRIPT') {
							$_beautifier = $this->js_beautify;
						} else if ($this->token_type === 'TK_STYLE') {
							$_beautifier = $this->css_beautify;
						}

						if ($this->options['indent_scripts'] === "keep") {
							$script_indent_level = 0;
						} else if ($this->options['indent_scripts'] === "separate") {
							$script_indent_level = -$this->indent_level;
						}
	
						$indentation = $this->get_full_indent($script_indent_level);
						if ($_beautifier) {
							// call the Beautifier if avaliable
							$text = $_beautifier(preg_replace('/^\s*/', $indentation, $text), $this->options);
						} else {
							// simply indent the string otherwise

							$matches = array();
							preg_match('/^\s*/', $text, $matches);
							$white = isset($matches[0]) ? $matches[0] : null;
	
							$matches = array();
							preg_match('/[^\n\r]*$/', $white, $matches);
							$dummy = isset($matches[0]) ? $matches[0] : null;
	
							$_level = count(explode($this->indent_string, $dummy)) - 1;
							$reindent = $this->get_full_indent($script_indent_level - $_level);
	
							$text = preg_replace('/^\s*/', $indentation, $text);
							$text = preg_replace('/\r\n|\r|\n/', "\n" . $reindent, $text);
							$text = preg_replace('/\s+$/', '', $text);
							//@todo: test
						}
						
						if ($text) {
							$this->print_token_raw($indentation . trim($text));
							$this->print_newline(false, $this->output);
						}
					}
					$this->current_mode = 'TAG';
					break;
			}
				
			$this->last_token = $this->token_type;
			$this->last_text = $this->token_text;
		}
	
		return implode('', $this->output);
	}	
	
}