ノイアー のバックアップ(No.2)

• バックアップ一覧
• 差分 を表示
• 現在との差分 を表示
• 現在との差分 - Visual を表示
• ソース を表示
• ノイアー へ行く。
  • 1 (2016-12-10 (土) 13:31:52)
  • 2 (2016-12-10 (土) 14:43:58)

?php

function convert_html($lines)
{

	global $vars, $digest;
	static $contents_id = 0;

	// Set digest
	$digest = md5(join('', get_source($vars['page'])));

	if (! is_array($lines)) $lines = explode("\n", $lines);

	$body = & new Body(++$contents_id);
	$body->parse($lines);

	return $body->toString();

}

class Element
{

	var $elements = array(); // 要素の配列

	function add($tree)
	{
		while (! empty($tree)) {
			if ($tree[0]->canContain($this))
				return $this->connect($tree);
			array_shift($tree);
		}
		die('oops');
	}

	function connect($tree)
	{
		$tree[0]->elements[] = & $this;
		return array_merge(array(& $this), $tree);
	}

	function canContain($obj)
	{
		return TRUE;
	}

	function wrap($string, $tag, $param = '')
	{
		return $string == '' ? '' :
			'<' . $tag . $param . '>' . $string . '</' . $tag . '>';
	}

	function toString()
	{
		$ret = array();
		foreach (array_keys($this->elements) as $key)
			$ret[] = $this->elements[$key]->toString();
		return join("\n", $ret);
	}

	function dump($indent = 0)
	{
		$ret = str_repeat(' ', $indent) . get_class($this) . "\n";
		$indent += 2;
		foreach (array_keys($this->elements) as $key) {
			$ret .= is_object($this->elements[$key]) ?
				$this->elements[$key]->dump($indent) : '';
				//str_repeat(' ', $indent) . $this->elements[$key] . "\n";
		}
		return $ret;
	}

}

function & Factory_Inline($text)
{

	if (substr($text, 0, 1) == '~') {
		// 行頭 '~' 。パラグラフ開始
		return new Paragraph(' ' . substr($text, 1));
	} else {
		return new Inline($text);
	}

}

function Factory_DList($tree, $text)
{

	$out = explode('|', ltrim($text), 2);
	if (count($out) < 2) {
		$obj = Factory_Inline($text);
		return $obj->add($tree);
	} else {
		$level = min(3, strspn($out[0], ':'));
		$title = new DTitle($out[0], $level);
		$data = new DData($out[1], $level);
		return $data->add($title->add($tree));
	}

}

function Factory_Table($tree, $text)
{

	if (! preg_match('/^\|(.+)\|([hHfFcC]?)$/', $text, $out)) {
		$obj = Factory_Inline($text);
	} else {
		$obj = new Table($out);
	}
	return $obj->add($tree);

}

function Factory_YTable($tree, $text)
{

	if ($text == ',') {
		$obj = Factory_Inline($text);
	} else {
		$obj = new YTable(csv_explode(',', substr($text, 1)));
	}
	return $obj->add($tree);

}

function Factory_Div($tree, $text)
{

	$matches = array();

	// Seems block plugin?
	if (PKWKEXP_DISABLE_MULTILINE_PLUGIN_HACK) {
		// Usual code
		if (preg_match('/^\#([^\(]+)(?:\((.*)\))?/', $text, $matches) &&
		    exist_plugin_convert($matches[1])) {
			$obj = new Div($matches);
		} else {
			$obj = new Paragraph($text);
		}
	} else {
		// Hack code
		if(preg_match('/^#([^\(\{]+)(?:\(([^\r]*)\))?(\{*)/', $text, $matches) &&
		   exist_plugin_convert($matches[1])) {
			$len  = strlen($matches[3]);
			$body = array();
			if ($len == 0) {
				$obj = new Div($matches); // Seems legacy block plugin
			} else if (preg_match('/\{{' . $len . '}\s*\r(.*)\r\}{' . $len . '}/', $text, $body)) { 
				$matches[2] .= "\r" . $body[1] . "\r";
				$obj = new Div($matches); // Seems multiline-enabled block plugin
			}
		} else {
			$obj = new Paragraph($text);
		}
	}
	return $obj->add($tree);

}

class Inline extends Element
{

	function Inline($text)
	{
		$this->elements[] = $text ? trim(make_link($text)) : '';
	}

	function connect($tree)
	{
		if (is_a($tree[0], 'Inline')) {
			$tree[0]->elements[] = $this->elements[0];
			return $tree;
		}
		if (is_a($tree[0], 'Body')) {
			$obj = new Paragraph('');
			$tree = $obj->connect($tree);
		}
		return parent::connect($tree);
	}

	function canContain($obj)
	{
		return is_a($obj, 'Inline');
	}

	function toString()
	{
		global $line_break;
		return join(($line_break ? '<br />' . "\n" : "\n"), $this->elements);
	}

}

class Paragraph extends Element
{

	var $param;

	function Paragraph($text, $param = '')
	{
		$this->param = $param;
		if ($text == '') return;

		if (substr($text, 0, 1) == '~')
			$text = ' ' . substr($text, 1);

		$this->elements[] = new Inline($text);
	}

	function connect($tree)
	{
		$tree[0]->elements[] = & $this;
		return empty($this->elements) ?
			array_merge(array(& $this), $tree) :
			array_merge(array(& $this->elements[0], & $this), $tree);
	}

	function canContain($obj)
	{
		return is_a($obj, 'Inline');
	}

	function toString()
	{
		return $this->wrap(parent::toString(), 'p', $this->param);
	}

}

class Heading extends Element
{

	var $level;
	var $id;
	var $msg_top;

	function Heading(& $root, $text)
	{
		$this->level = min(3, strspn($text, '*'));
		list($text, $this->msg_top, $this->id) = $root->getAnchor($text, $this->level);
		$this->elements[] = & new Inline($text);
		$this->level++; // h2,h3,h4
	}

	function connect($tree)
	{
		$tree = array_slice($tree, -1);
		$tree[0]->elements[] = & $this;
		return $tree;
	}

	function canContain(& $obj)
	{
		return FALSE;
	}

	function toString()
	{
		return $this->msg_top .  $this->wrap(parent::toString(),
			'h' . $this->level, ' id="' . $this->id . '"');
	}

}

class HRule extends Element
{

	function connect($tree)
	{
		$tree = array_slice($tree, -1);
		$tree[0]->elements[] = & $this;
		return $tree;
	}

	function canContain(& $obj)
	{
		return FALSE;
	}

	function toString()
	{
		global $hr;
		return $hr;
	}

}

class ListContainer extends Element
{

	var $tag;
	var $level;
	var $margin;

	function ListContainer($tag, $level)
	{
		$this->tag   = $tag;
		$this->level = $level;
	}

	function connect($tree)
	{
		//マージンを取得
		$var_margin      = '_' . $this->tag . '_margin';
		$var_left_margin = '_' . $this->tag . '_left_margin';

		global $$var_margin, $$var_left_margin;

		$step = $this->level;
		if (isset($tree[1]) && is_a($tree[1], 'ListContainer'))
			$step -= $tree[1]->level;

		$this->margin = $$var_margin * $step;
		if ($step == $this->level)
			$this->margin += $$var_left_margin;

		return parent::connect($tree);
	}

	function canContain(& $obj)
	{
		return is_a($obj, 'ListElement') && $this->tag == $obj->tag && $this->level == $obj->level;
	}

	function toString()
	{
		global $_list_pad_str;

		$style = sprintf($_list_pad_str, $this->level, $this->margin, $this->margin);
		return $this->wrap(parent::toString(), $this->tag, $style);
	}

}

class ListElement extends Element
{

	var $tag;
	var $tag2;
	var $level;

	function ListElement($level, $text)
	{
		$this->level = $level;
		if ($text != '')
			$this->elements[] = Factory_Inline($text);
	}

	function buildContainer($tree)
	{
		$obj = new ListContainer($this->tag, $this->level);
		return $obj->connect($tree);
	}

	function connect($tree)
	{
		if (empty($this->elements)) {
			if (! is_a($tree[0], 'ListContainer'))
				return parent::connect($this->buildContainer($tree));
			// 行頭文字のみの指定時はUL/OLブロックを脱出
			return array_merge(array(& $tree[0]->elements[count($tree[0]->elements) - 1]), $tree);
		}
		if (! is_a($tree[0], 'ListContainer'))
			$tree = $this->buildContainer($tree);
		$tree[0]->elements[] = & $this;
		return array_merge(array(& $this->elements[0], & $this), $tree);
	}

	function canContain(& $obj)
	{
		return (! is_a($obj, 'ListElement') || ($obj->level > $this->level));
	}

	function toString()
	{
		return $this->wrap(parent::toString(), $this->tag2);
	}

}

class UList extends ListElement
{

	var $tag  = 'ul';
	var $tag2 = 'li';

	function UList($text)
	{
		$level = min(3, strspn($text, '-'));
		parent::ListElement($level, substr($text, $level));
	}

}

class OList extends ListElement
{

	var $tag  = 'ol';
	var $tag2 = 'li';

	function OList($text)
	{
		$level = min(3, strspn($text, '+'));
		parent::ListElement($level, substr($text, $level));
	}

}

class DTitle extends ListElement
{

	var $tag  = 'dl';
	var $tag2 = 'dt';

	function DTitle($text, $level)
	{
		parent::ListElement($level, substr($text, $level));
	}

}

class DData extends ListElement
{

	var $tag  = 'dl';
	var $tag2 = 'dd';

	function DData($text, $level)
	{
		parent::ListElement($level, $text);
	}

	function connect($tree)
	{
		//	脱出処理させたくないので
		$tree[0]->elements[] = & $this;
		return empty($this->elements) ?
			array_merge(array(& $this), $tree) :
			array_merge(array(& $this->elements[0], & $this), $tree);
	}

}

class BQuote extends Element
{

	var $text;
	var $level;
	var $close;

	function BQuote($text)
	{
		$this->text = $text;
		$this->level = min(3, strspn($text, $text{0}));
		$this->close = ($text{0} == '<');
	}

	function buildContainer($tree)
	{
		$obj = new BQuoteContainer($this->level);
		return $obj->connect($tree);
	}

	function connect($tree)
	{
		if ($this->close) {
			if (! is_a($tree[0], 'BQuoteContainer')) {
				//	対応するコンテナが無い
				$obj = new Inline($this->text);
				return $obj->connect($tree);
			}
			if ($this->level == $tree[0]->level) {
				array_shift($tree);
				if ($this->level == 1) {
					//	全て抜けた
					$obj = Factory_Inline(substr($this->text, $this->level));
					return $obj->connect($tree);
				}
				$this->text = ltrim(substr($this->text, $this->level));
			}
		} else {
			$this->text = ltrim(substr($this->text, $this->level));
			if (! is_a($tree[0], 'BQuoteContainer') || $this->level != $tree[0]->level)
				$tree = $this->buildContainer($tree);
		}

		$obj = new Paragraph($this->text, ' class="quotation"');
		return $obj->connect($tree);
	}

}

class BQuoteContainer extends Element
{

	var $level;

	function BQuoteContainer($level)
	{
		$this->level = $level;
	}

	function connect($tree)
	{
		if ($this->level != 1 &&
			(! is_a($tree[0], 'BQuoteContainer') || $this->level != $tree[0]->level + 1)) {
				$obj = new BQuoteContainer($this->level - 1);
				$tree = $obj->connect($tree);
		}
		return parent::connect($tree);
	}

	function canContain(& $obj)
	{
		return (! is_a($obj, 'BQuote') || $obj->level >= $this->level);
	}

	function toString()
	{
		return $this->wrap(parent::toString(), 'blockquote');
	}

}

class TableCell extends Element
{

	var $tag = 'td'; // {td|th}
	var $colspan = 1;
	var $rowspan = 1;
	var $style = array(); // is array('width'=>, 'align'=>...);

	function TableCell($text, $is_template = FALSE)
	{
		$matches = array();

		while (preg_match('/^(?:(LEFT|CENTER|RIGHT)|(BG)?COLOR\(([#\w]+)\)|SIZE\((\d+)\)):(.*)$/',
		    $text, $matches)) {
			if ($matches[1]) {
				$this->style['align'] = 'text-align:' . strtolower($matches[1]) . ';';
				$text = $matches[5];
			} else if ($matches[3]) {
				$name = $matches[2] ? 'background-color' : 'color';
				$this->style[$name] = $name . ':' . htmlspecialchars($matches[3]) . ';';
				$text = $matches[5];
			} else if ($matches[4]) {
				$this->style['size'] = 'font-size:' . htmlspecialchars($matches[4]) . 'px;';
				$text = $matches[5];
			}
		}
		if ($is_template && is_numeric($text))
			$this->style['width'] = 'width:' . $text . 'px;';

		if ($text == '>') {
			$this->colspan = 0;
		} else if ($text == '~') {
			$this->rowspan = 0;
		} else if (substr($text, 0, 1) == '~') {
			$this->tag = 'th';
			$text      = substr($text, 1);
		}

		if ($text != '' && $text{0} == '#') {
			// セル内容が'#'で始まるときはDivクラスを通してみる
			$tree = array(& $this);
			Factory_Div($tree, $text);
		} else {
			$this->elements[] = Factory_Inline($text);
		}
	}

	function setStyle($style)
	{
		foreach ($style as $key=>$value)
			if (! isset($this->style[$key]))
				$this->style[$key] = $value;
	}

	function wrap($string, $tag, $param)
	{
		return '<' . $tag . $param . '>' . $string . '</' . $tag . '>';
	}

	function toString()
	{
		if ($this->rowspan == 0 || $this->colspan == 0) return '';

		$param = ' class="style_' . $this->tag . '"';
		if ($this->rowspan > 1)
			$param .= ' rowspan="' . $this->rowspan . '"';
		if ($this->colspan > 1) {
			$param .= ' colspan="' . $this->colspan . '"';
			unset($this->style['width']);
		}
		if (! empty($this->style))
			$param .= ' style="' . join(' ', $this->style) . '"';

		return $this->wrap(parent::toString(), $this->tag, $param);
	}

}

class Table extends Element
{

	var $types;
	var $col; // number of column

	function Table($out)
	{
		$cells = explode('|', $out[1]);
		$type  = strtolower($out[2]);
		$is_template = ($type == 'c');

		$this->col   = count($cells);
		$this->types = array($type);
		$row = array();
		foreach ($cells as $cell)
			$row[] = new TableCell($cell, $is_template);
		$this->elements[] = $row;
	}

	function connect($tree)
	{
		if (is_a($tree[0], 'Table')) {
			$tree[0]->elements[] = $this->elements[0];
			$tree[0]->types[]    = $this->types[0];
			return $tree;
		}
		return parent::connect($tree);
	}

	function canContain(& $obj)
	{
		return is_a($obj, 'Table') && ($obj->col == $this->col);
	}

	function toString()
	{
		static $parts = array('h'=>'thead', 'f'=>'tfoot', ''=>'tbody');

		// rowspanを設定(下から上へ)
		for ($ncol = 0; $ncol < $this->col; $ncol++) {
			$rowspan = 1;
			foreach (array_reverse(array_keys($this->elements)) as $nrow) {
				$row = & $this->elements[$nrow];
				if ($row[$ncol]->rowspan == 0) {
					++$rowspan;
					continue;
				}
				$row[$ncol]->rowspan = $rowspan;
				while (--$rowspan) // 行種別を継承する
					$this->types[$nrow + $rowspan] = $this->types[$nrow];
				$rowspan = 1;
			}
		}

		// colspan,styleを設定
		$stylerow = NULL;
		foreach (array_keys($this->elements) as $nrow) {
			$row = & $this->elements[$nrow];
			if ($this->types[$nrow] == 'c')
				$stylerow = & $row;
			$colspan = 1;
			foreach (array_keys($row) as $ncol) {
				if ($row[$ncol]->colspan == 0) {
					++$colspan;
					continue;
				}
				$row[$ncol]->colspan = $colspan;
				if ($stylerow !== NULL) {
					$row[$ncol]->setStyle($stylerow[$ncol]->style);
					while (--$colspan) // 列スタイルを継承する
						$row[$ncol - $colspan]->setStyle($stylerow[$ncol]->style);
				}
				$colspan = 1;
			}
		}

		// テキスト化
		$string = '';
		foreach ($parts as $type => $part)
		{
			$part_string = '';
			foreach (array_keys($this->elements) as $nrow) {
				if ($this->types[$nrow] != $type)
					continue;
				$row        = & $this->elements[$nrow];
				$row_string = '';
				foreach (array_keys($row) as $ncol)
					$row_string .= $row[$ncol]->toString();
				$part_string .= $this->wrap($row_string, 'tr');
			}
			if ($part_string != '')
				$string .= $this->wrap($part_string, $part);
		}
		$string = $this->wrap($string, 'table', ' class="style_table" cellspacing="1" border="0"');

		return $this->wrap($string, 'div', ' class="ie5"');
	}

}

class YTable extends Element
{

	var $col;

	function YTable($_value)
	{
		$align = $value = $matches = array();
		foreach($_value as $val) {
			if (preg_match('/^(\s+)?(.+?)(\s+)?$/', $val, $matches)) {
				$align[] =($matches[1] != '') ?
					((isset($matches[3]) && $matches[3] != '') ?
						' style="text-align:center"' :
						' style="text-align:right"'
					) : '';
				$value[] = $matches[2];
			} else {
				$align[] = '';
				$value[] = $val;
			}
		}
		$this->col = count($value);
		$colspan = array();
		foreach ($value as $val)
			$colspan[] = ($val == '==') ? 0 : 1;
		$str = '';
		$count = count($value);
		for ($i = 0; $i < $count; $i++) {
			if ($colspan[$i]) {
				while ($i + $colspan[$i] < $count && $value[$i + $colspan[$i]] == '==')
					$colspan[$i]++;
				$colspan[$i] = ($colspan[$i] > 1) ? ' colspan="' . $colspan[$i] . '"' : '';
				$str .= '<td class="style_td"' . $align[$i] . $colspan[$i] . '>' . make_link($value[$i]) . '</td>';
			}
		}
		$this->elements[] = $str;
	}

	function connect($tree)
	{
		if (is_a($tree[0], 'YTable')) {
			$tree[0]->elements[] = $this->elements[0];
			return $tree;
		}
		return parent::connect($tree);
	}

	function canContain(& $obj)
	{
		return is_a($obj, 'YTable') && ($obj->col == $this->col);
	}

	function toString()
	{
		$rows = '';
		foreach ($this->elements as $str)
			$rows .= "\n" . '<tr class="style_tr">' . $str . '</tr>' . "\n";
		$rows = $this->wrap($rows, 'table', ' class="style_table" cellspacing="1" border="0"');
		return $this->wrap($rows, 'div', ' class="ie5"');
	}

}

class Pre extends Element
{

	function Pre($text)
	{
		global $preformat_ltrim;

		$this->elements[] = htmlspecialchars(
			(! $preformat_ltrim || $text == '' || $text{0} != ' ') ? $text : substr($text, 1));
	}

	function connect($tree)
	{
		if (is_a($tree[0], 'Pre')) {
			$tree[0]->elements[] = $this->elements[0];
			return $tree;
		}
		return parent::connect($tree);
	}

	function canContain(& $obj)
	{
		return is_a($obj, 'Pre');
	}

	function toString()
	{
		return $this->wrap(join("\n", $this->elements), 'pre');
	}

}

class Div extends Element
{

	var $name;
	var $param;

	function Div($out)
	{
		list(, $this->name, $this->param) = array_pad($out, 3, '');
	}

	function connect($tree)
	{
		$tree[0]->elements[] = & $this;
		return $tree;
	}

	function canContain(& $obj)
	{
		return FALSE;
	}

	function toString()
	{
		// Call #plugin
		return do_plugin_convert($this->name, $this->param);
	}

}

class Align extends Element
{

	var $align;

	function Align($align)
	{
		$this->align = $align;
	}

	function canContain(& $obj)
	{
		return is_a($obj, 'Inline');
	}

	function toString()
	{
		return $this->wrap(parent::toString(), 'div', ' style="text-align:' . $this->align . '"');
	}

}

class Body extends Element
{

	var $id;
	var $count = 0;
	var $contents = array();

	function Body($id)
	{
		$this->id = $id;
	}

	function parse($lines)
	{
		$classes = array(
			'-' => 'UList',
			'+' => 'OList',
			'>' => 'BQuote',
			'<' => 'BQuote'
		);
		$factories = array(
			':' => 'DList',
			'|' => 'Table',
			',' => 'YTable',
			'#' => 'Div'
		);

		$tree = array(& $this);
		$matches = array();

		while (! empty($lines)) {
			$line = array_shift($lines);

			// Escape comments
			if (substr($line, 0, 2) == '//') continue;

			if (preg_match('/^(LEFT|CENTER|RIGHT):(.*)$/', $line, $matches)) {
				// <div style="text-align:...">
				$obj = & new Align(strtolower($matches[1]));
				$tree = $obj->add($tree);
				if ($matches[2] == '') continue;
				$line = $matches[2];
			}

			$line = preg_replace("/[\r\n]+$/", '', $line);

			// Empty
			if ($line == '') {
				$tree = array(& $this);
				continue;
			}

			// Horizontal Rule
			if (substr($line, 0, 4) == '----') {
				$obj = & new HRule();
				$tree = $obj->add($tree);
				continue;
			}

			// Multiline-enabled block plugin
			if (! PKWKEXP_DISABLE_MULTILINE_PLUGIN_HACK &&
			    preg_match('/^#[^{]+(\{\{+)\s*$/', $line, $matches)) {
				$len = strlen($matches[1]);
				$line .= "\r"; // Delimiter
				while (! empty($lines)) {
					$next_line = preg_replace("/[\r\n]*$/", '', array_shift($lines));
					if (preg_match('/\}{' . $len . '}/', $next_line)) {
						$line .= $next_line;
						break;
					} else {
						$line .= $next_line .= "\r"; // Delimiter
					}
				}
			}

			// The first character
			$head = $line{0};

			// Heading
			if ($head == '*') {
				$obj = & new Heading($this, $line);
				$tree = $obj->add($tree);
				continue;
			}

			// Pre
			if ($head == ' ' || $head == "\t") {
				$obj = & new Pre($line);
				$tree = $obj->add($tree);
				continue;
			}

			// Line Break
			if (substr($line, -1) == '~')
				$line = substr($line, 0, -1) . "\r";
			
			// Other Character
			if (isset($classes[$head])) {
				$classname  = $classes[$head];
				$obj = & new $classname($line);
				$tree = $obj->add($tree);
				continue;
			}

			// Other Character
			if (isset($factories[$head])) {
				$factoryname = 'Factory_' . $factories[$head];
				$tree = $factoryname($tree, $line);
				continue;
			}

			// Default
			$obj = & Factory_Inline($line);
			$tree = $obj->add($tree);
		}
	}

	function getAnchor($text, $level)
	{
		global $top, $_symbol_anchor;

		// Heading id (auto-generated)
		$autoid = 'content_' . $this->id . '_' . $this->count;
		$this->count++;

		// Heading id (specified by users)
		$id = make_heading($text, FALSE); // Cut fixed-anchor from $text
		if ($id == '') {
			// Not specified
			$id     = & $autoid;
			$anchor = '';
		} else {
			$anchor = ' &aname(' . $id . ',super,full){' . $_symbol_anchor . '};';
		}

		$text = ' ' . $text;

		$this->contents[] = compact('level', 'text', 'id');

		// Add heding
		return array($text . $anchor, $this->count > 1 ? "\n" . $top : '', $autoid);
	}

	function toString()
	{
		global $vars;

		$text = parent::toString();

		// #contents
		$text = preg_replace_callback('/<#_contents_>/',
			array(& $this, 'replace_contents'), $text);

		return $text . "\n";
	}

	function replace_contents($arr)
	{
		$Contents = & new Element();
		$tree = array(& $Contents);
		foreach ($this->contents as $param) {
			$obj = & new Contents_UList($param['text'], $param['level'], $param['id']);
			$tree = $obj->add($tree);
		}
		return '<div class="contents">' . "\n" .
			'<a id="contents_' . $this->id . '"></a>' . "\n" .
			$Contents->toString() . "\n" .
			'</div>' . "\n";
	}

}

class Contents_UList extends UList
{

	function Contents_UList($text, $level, $id)
	{
		make_heading($text);
		$text = '[[' . $text . '>#' . $id . ']]';
		ListElement::ListElement($level, $text);
	}

	function buildContainer($tree)
	{
		$obj = new Contents_ListContainer($this->tag, $this->level);
		return $obj->connect($tree);
	}

}

class Contents_ListContainer extends ListContainer
{

	function connect($tree)
	{
		$var_margin      = '_' . $this->tag . '_margin';
		$var_left_margin = '_' . $this->tag . '_left_margin';

		global $$var_margin, $$var_left_margin;

		$step = $this->level;
		$this->margin = $$var_left_margin;
		if (isset($tree[1]) && is_a($tree[1], 'ListContainer')) {
			$step  -= $tree[1]->level;
			$margin = 0;
		}
		$this->margin += $$var_margin * ($step == $this->level ? 1 : $step);

		return parent::connect($tree);
	}

}
?>