<?php
class XenForo_Html_Renderer_BbCode
{
protected $_options = array(
'baseUrl' => ''
);
const BR_SUBSTITUTE = "\x1A";
/**
* A map of tag handlers. Tag names are in lower case. Possible keys:
* * wrap - wraps tag content in some text; used %s for text (eg, [b]%s[/b])
* * filterCallback - callback to process tag; given tag content (string) and tag (XenForo_Html_Tag)
*
* @var array Key is tag name in lower case
*/
protected $_handlers = array(
'b' => array('wrap' => '[B]%s[/B]'),
'strong' => array('wrap' => '[B]%s[/B]'),
'i' => array('wrap' => '[I]%s[/I]'),
'em' => array('wrap' => '[I]%s[/I]'),
'u' => array('wrap' => '[U]%s[/U]'),
's' => array('wrap' => '[S]%s[/S]'),
'strike' => array('wrap' => '[S]%s[/S]'),
'font' => array('filterCallback' => array('$this', 'handleTagFont')),
'a' => array('filterCallback' => array('$this', 'handleTagA')),
'img' => array('filterCallback' => array('$this', 'handleTagImg')),
'ul' => array('filterCallback' => array('$this', 'handleTagUl'), 'skipCss' => true),
'ol' => array('filterCallback' => array('$this', 'handleTagOl'), 'skipCss' => true),
'li' => array('filterCallback' => array('$this', 'handleTagLi')),
'blockquote' => array('wrap' => '[INDENT]%s[/INDENT]'),
'h1' => array('filterCallback' => array('$this', 'handleTagH')),
'h2' => array('filterCallback' => array('$this', 'handleTagH')),
'h3' => array('filterCallback' => array('$this', 'handleTagH')),
'h4' => array('filterCallback' => array('$this', 'handleTagH')),
'h5' => array('filterCallback' => array('$this', 'handleTagH')),
'h6' => array('filterCallback' => array('$this', 'handleTagH')),
);
/**
* Handlers for specific CSS rules. Value is a callback function name.
*
* @var array Key is the CSS rule name
*/
protected $_cssHandlers = array(
'color' => array('$this', 'handleCssColor'),
'float' => array('$this', 'handleCssFloat'),
'font-family' => array('$this', 'handleCssFontFamily'),
'font-size' => array('$this', 'handleCssFontSize'),
'font-style' => array('$this', 'handleCssFontStyle'),
'font-weight' => array('$this', 'handleCssFontWeight'),
'padding-left' => array('$this', 'handleCssPaddingLeft'), // editor implements LTR indent this way
'padding-right' => array('$this', 'handleCssPaddingRight'), // editor implements RTL indent this way
'text-align' => array('$this', 'handleCssTextAlign'),
'text-decoration' => array('$this', 'handleCssTextDecoration'),
);
public static function renderFromHtml($html, array $options = array())
{
//echo $html; exit;
//echo '<pre>' . htmlspecialchars($html) . '</pre>'; exit;
$class = XenForo_Application::resolveDynamicClass(__CLASS__);
/** @var $renderer XenForo_Html_Renderer_BbCode */
$renderer = new $class($options);
$html = $renderer->preFilter($html);
$parser = new XenForo_Html_Parser($html);
$parsed = $parser->parse();
//$parser->printTags($parsed);
$rendered = $renderer->render($parsed);
//echo '<pre>' . htmlspecialchars($rendered) . '</pre>'; exit;
return $rendered;
}
/**
* Constructor.
*
* @param array $options
*/
public function __construct(array $options = array())
{
$requestPaths = XenForo_Application::get('requestPaths');
$this->_options['baseUrl'] = $requestPaths['fullBasePath'];
$this->_options = array_merge($this->_options, $options);
}
public function preFilter($html)
{
// IE bug (#25781)
$html = preg_replace(
'#(<a[^>]+href="([^"]+)"[^>]*>)\\2(\[/?[a-z0-9_-]+)(</a>)\]#siU',
'$1$2$4$3]',
$html
);
// issue where URLs have been auto linked inside manually entered BB code options
$html = preg_replace(
'#(\[[a-z0-9_-]+=("|\'|))<a[^>]+href="([^"]+)"[^>]*>\\3</a>#siU',
'$1$3',
$html
);
$html = preg_replace_callback(
'#(\[(code|php|html|img|plain)\])(.*)(\[/\\2\])#siU',
array($this, '_stripStylingHtmlMatch'),
$html
);
return $html;
}
protected function _stripStylingHtmlMatch(array $match)
{
$content = $match[3];
$tags = 'b|i|u|s|strong|em|strike|a|span|font';
$content = preg_replace('#<(' . $tags . ')(\s[^>]*)?>#i', '', $content);
$content = preg_replace('#</(' . $tags . ')>#i', '', $content);
return $match[1] . $content . $match[4];
}
/**
* Renders the specified tag and all children.
*
* @param XenForo_Html_Tag $tag
*
* @return string
*/
public function render(XenForo_Html_Tag $tag)
{
$output = $this->renderTag($tag);
return $this->_postRender($output->text());
}
protected function _postRender($text)
{
$text = preg_replace('#\[img\]\[url\]([^\[]+)\[/url\]\[/img\]#i', '[IMG]$1[/IMG]', $text);
do
{
$newText = preg_replace('#\[/(b|i|u|s|left|center|right|indent)\]([\r\n]*)\[\\1\]#i', '\\2', $text);
if ($newText === null || $newText == $text)
{
break;
}
$text = $newText;
}
while (true);
do
{
$newText = preg_replace('#(\[(font|color|size|url|email)=[^\]]*\])((?:(?>[^\[]+?)|\[(?!\\2))*)\[/\\2\]([\r\n]*)\\1#siU', '\\1\\3\\4', $text);
if ($newText === null || $newText == $text)
{
break;
}
$text = $newText;
}
while (true);
$text = XenForo_Input::cleanString($text);
return trim($text);
}
public function renderTag(XenForo_Html_Tag $tag, array $state = array())
{
if ($tag->tagName() == 'br')
{
$output = new XenForo_Html_Renderer_BbCode_Element('block', self::BR_SUBSTITUTE);
$output->incrementTrailingLines();
return $output;
}
$state = array_merge($state, $this->_setTagStates($tag, $state));
if (!empty($state['hidden']))
{
// ignore all under this
return new XenForo_Html_Renderer_BbCode_Element('text', '');
}
$isPreFormatted = !empty($state['preFormatted']);
$children = $this->renderChildren($tag, $state);
if ($tag->isBlock() && !$isPreFormatted)
{
// ignore leading/trailing whitespace-only nodes on blocks
$firstChild = reset($children);
if ($firstChild && $firstChild->isWhiteSpace())
{
array_shift($children);
}
$lastChild = end($children);
if ($lastChild && $lastChild->isWhiteSpace())
{
array_pop($children);
}
}
$children = array_values($children); // need this to be contiguous
$lastChild = count($children) - 1;
$outputText = '';
$output = new XenForo_Html_Renderer_BbCode_Element($tag->isBlock() ? 'block' : 'inline');
$previousTrailing = 0;
$initialLeading = 0;
for ($i = 0; $i <= $lastChild; $i++)
{
$child = $children[$i]; /* @var $child XenForo_Html_Renderer_BbCode_Element */
$previous = ($i > 0 ? $children[$i - 1] : false); /* @var $previous XenForo_Html_Renderer_BbCode_Element */
$next = ($i < $lastChild ? $children[$i + 1] : false); /* @var $next XenForo_Html_Renderer_BbCode_Element */
if ($child->isBr())
{
$previousTrailing++;
continue;
}
if (!$isPreFormatted && $child->isWhiteSpace()
&& $previous && $previous->isBlock()
&& $next && $next->isBlock())
{
// whitespace node between 2 blocks - skip it
continue;
}
$text = $child->text();
if (!$isPreFormatted && $previousTrailing && $child->isText())
{
// follows a block
$text = ltrim($text);
}
if ($outputText === '')
{
// no output so far, so push this up
$initialLeading += $child->leadingLines();
}
else if ($child->leadingLines())
{
// this behaves like a block tag in terms of line spacing
if ($previousTrailing && $child->leadingLines())
{
$previousTrailing -= 1; // a new block tag "merges" with the last line the previous
}
$previousTrailing += $child->leadingLines();
if (!$isPreFormatted)
{
$outputText = strrev(preg_replace('/^( )+/', '', strrev($outputText)));
}
}
if ($previousTrailing && $text !== '')
{
// covers previous trailing and my leading
$outputText .= str_repeat("\n", $previousTrailing);
$previousTrailing = 0;
}
$outputText .= $text;
$previousTrailing += $child->trailingLines();
}
if ($output->isBlock() && !$isPreFormatted)
{
$outputText = trim($outputText);
}
if ($outputText !== '' || $tag->isVoid())
{
// only prepare this tag if we actually have text or it's never going to have text
$tagName = $tag->tagName();
$handler = (isset($this->_handlers[$tagName]) ? $this->_handlers[$tagName] : false);
$preCssOutput = $outputText;
if ($tagName && (!$handler || empty($handler['skipCss'])))
{
$outputText = $this->renderCss($tag, $outputText);
}
if ($handler)
{
if (!empty($handler['filterCallback']))
{
$callback = $handler['filterCallback'];
if (is_array($callback) && $callback[0] == '$this')
{
$callback[0] = $this;
}
$outputText = call_user_func($callback, $outputText, $tag, $preCssOutput);
}
else if (isset($handler['wrap']))
{
$outputText = sprintf($handler['wrap'], $outputText);
}
}
$output->append($outputText);
}
if ($output->isBlock() && !$output->isEmpty())
{
// add an extra line break before/after if we have something to output
// note that tags without could've already incremented these
$output->incrementLeadingLines();
$output->incrementTrailingLines();
if ($initialLeading)
{
// merge 1 of the initial leading lines with this
$initialLeading--;
}
if ($previousTrailing)
{
// merge 1 of the left over trailing lines with this
$previousTrailing--;
}
}
if ($initialLeading)
{
// push initial leading lines up
$output->incrementLeadingLines($initialLeading);
}
if ($previousTrailing)
{
$output->incrementTrailingLines($previousTrailing);
}
if ($output->leadingLines() || $output->trailingLines())
{
//$output->setType('block');
}
return $output;
}
protected function _setTagStates(XenForo_Html_Tag $tag, array $existingStates)
{
$states = array();
switch ($tag->tagName())
{
case 'pre':
$states['preFormatted'] = true;
break;
case 'script':
case 'title':
case 'style':
case 'embed':
case 'object':
case 'iframe':
$states['hidden'] = true;
break;
}
return $states;
}
protected $_depth = 0;
public function renderChildren(XenForo_Html_Tag $tag, array $state)
{
$output = array();
$this->_depth++;
if ($this->_depth > 100)
{
$stack = $tag->children();
while ($child = array_shift($stack))
{
if ($child instanceof XenForo_Html_Tag)
{
$stack = array_merge($child->children(), $stack);
}
else if ($child instanceof XenForo_Html_Text)
{
$output[] = $this->renderText($child, $state);
}
}
}
else
{
foreach ($tag->children() AS $child)
{
if ($child instanceof XenForo_Html_Tag)
{
$output[] = $this->renderTag($child, $state);
}
else if ($child instanceof XenForo_Html_Text)
{
$output[] = $this->renderText($child, $state);
}
}
}
$this->_depth--;
return $output;
}
public function renderText(XenForo_Html_Text $text, array $state)
{
$text = $text->text();
if (empty($state['preFormatted']))
{
$text = preg_replace('/[\r\n\t ]+/', ' ', $text);
}
return new XenForo_Html_Renderer_BbCode_Element('text', $text);
}
/**
* Renders the CSS for a given tag.
*
* @param XenForo_Html_Tag $tag
* @param string $stringOutput
*
* @return string BB code output
*/
public function renderCss(XenForo_Html_Tag $tag, $stringOutput)
{
$css = $tag->attribute('style');
if ($css)
{
foreach ($css AS $cssRule => $cssValue)
{
if (strtolower($cssRule) == 'display' && strtolower($cssValue) == 'none')
{
return '';
}
if (!empty($this->_cssHandlers[$cssRule]))
{
$callback = $this->_cssHandlers[$cssRule];
if (is_array($callback) && $callback[0] == '$this')
{
$callback[0] = $this;
}
$stringOutput = call_user_func($callback, $stringOutput, $cssValue, $tag);
}
}
// images aligned on their own are done this way
$alignRules = array_merge(array(
'display' => '',
'margin-left' => '',
'margin-right' => ''
), $css);
if ($alignRules['display'] == 'block' && (!$tag->isVoid() || $stringOutput !== ''))
{
if ($alignRules['margin-left'] == 'auto' && $alignRules['margin-right'] == 'auto')
{
$stringOutput = '[CENTER]' . $stringOutput . '[/CENTER]';
}
else if ($alignRules['margin-left'] == 'auto' && substr($alignRules['margin-right'], 0, 1) == '0')
{
$stringOutput = '[RIGHT]' . $stringOutput . '[/RIGHT]';
}
else if (substr($alignRules['margin-left'], 0, 1) == '0' && $alignRules['margin-right'] == 'auto')
{
$stringOutput = '[LEFT]' . $stringOutput . '[/LEFT]';
}
}
}
$align = $tag->attribute('align');
if ($align && (!$css || empty($css['text-align'])))
{
$stringOutput = $this->handleCssTextAlign($stringOutput, $align, $tag);
}
return $stringOutput;
}
public function convertUrlToAbsolute($url)
{
if (preg_match('#^(https?|ftp)://#i', $url))
{
return $url;
}
if (!$this->_options['baseUrl'])
{
return $url;
}
if ($url === '')
{
return $this->_options['baseUrl'];
}
preg_match('#^(?P<protocolHost>(?P<protocol>https?|ftp)://[^/]+)(?P<path>.*)$#i',
$this->_options['baseUrl'], $baseParts
);
if (!$baseParts)
{
return $url;
}
if (substr($url, 0, 2) == '//')
{
return $baseParts['protocol'] . ':' . $url;
}
if ($url[0] == '/')
{
return $baseParts['protocolHost'] . $url;
}
if (preg_match('#^((\.\./)+)#', $url, $upMatch))
{
$count = strlen($upMatch[1]) / strlen($upMatch[2]);
for ($i = 1; $i <= $count; $i++)
{
$baseParts['path'] = dirname($baseParts['path']);
}
$url = substr($url, strlen($upMatch[0]));
}
$baseParts['path'] = str_replace('\\', '/', $baseParts['path']);
if (substr($baseParts['path'], -1) != '/')
{
$baseParts['path'] .= '/';
}
if ($url[0] == '/')
{
// path has trailing slash
$url = substr($url, 1);
}
return $baseParts['protocolHost'] . $baseParts['path'] . $url;
}
public function handleTagFont($text, XenForo_Html_Tag $tag)
{
$color = trim($tag->attribute('color'));
if ($color)
{
$text = "[COLOR={$color}]{$text}[/COLOR]";
}
$size = trim($tag->attribute('size'));
if ($size && preg_match('/^[0-9]+(px)?$/i', $size))
{
$text = "[SIZE={$size}]{$text}[/SIZE]";
}
$face = trim($tag->attribute('face'));
if ($face)
{
$text = "[FONT={$face}]{$text}[/FONT]";
}
return $text;
}
/**
* Handles A tags. Can generate URL or EMAIL tags in BB code.
*
* @param string $text Child text of the tag
* @param XenForo_Html_Tag $tag HTML tag triggering call
*
* @return string
*/
public function handleTagA($text, XenForo_Html_Tag $tag)
{
$href = trim($tag->attribute('href'));
if (!$href)
{
return $text;
}
if (preg_match('#^(data:|blob:|webkit-fake-url:|x-apple-data-detectors:)#i', $href))
{
return $text;
}
$userId = intval($tag->attribute('data-user'));
if ($userId)
{
return "[USER={$userId}]{$text}[/USER]";
}
if (preg_match('/^mailto:(.+)$/i', $href, $match))
{
$target = $match[1];
$type = 'EMAIL';
}
else
{
$target = $this->convertUrlToAbsolute($href);
$type = 'URL';
}
if ($target == $text)
{
// look for part of a BB code at the end that may have been swallowed up
if (preg_match('#\[/?([a-z0-9_-]+)$#i', $text, $match))
{
$append = $match[0];
$text = substr($text, 0, -strlen($match[0]));
}
else
{
$append = '';
}
return "[$type]{$text}[/$type]$append";
}
else
{
return "[$type='$target']{$text}[/$type]";
}
}
/**
* Handles IMG tags.
*
* @param string $text Child text of the tag (probably none)
* @param XenForo_Html_Tag $tag HTML tag triggering call
*
* @return string
*/
public function handleTagImg($text, XenForo_Html_Tag $tag)
{
if (($tag->attribute('class') == 'mceSmilie' || $tag->attribute('data-smilie')) && $tag->attribute('alt'))
{
// regular image smilies
$output = trim($tag->attribute('alt'));
}
else if (strpos($tag->attribute('class'), 'mceSmilieSprite') !== false && $tag->attribute('alt'))
{
// sprite smilies
$output = trim($tag->attribute('alt'));
}
else if (preg_match('#attach(Thumb|Full)(\d+)#', $tag->attribute('alt'), $match))
{
if ($match[1] == 'Full')
{
$output = '[ATTACH=full]' . $match[2] . '[/ATTACH]';
}
else
{
$output = '[ATTACH]' . $match[2] . '[/ATTACH]';
}
}
else
{
$src = $tag->attribute('src');
$proxyUrl = $tag->attribute('data-url');
if (preg_match('#proxy\.php#', $src)
&& $proxyUrl
&& preg_match('#^https?:#i', $proxyUrl)
)
{
$src = $proxyUrl;
}
$output = '';
if (preg_match('#^(data:|blob:|webkit-fake-url:)#i', $src))
{
// data URI - ignore
}
else if ($src)
{
if (XenForo_Application::isRegistered('smilies'))
{
$smilies = XenForo_Application::get('smilies');
}
else
{
$smilies = XenForo_Model::create('XenForo_Model_Smilie')->getAllSmiliesForCache();
XenForo_Application::set('smilies', $smilies);
}
foreach ($smilies AS $smilie)
{
if ($src == $smilie['image_url'])
{
$output = reset($smilie['smilieText']);
break;
}
}
if (!$output)
{
$output = "[IMG]" . $this->convertUrlToAbsolute($src) . "[/IMG]";
}
}
}
return $this->renderCss($tag, $output);
}
protected function _handleListTag($listFormatter, $text, XenForo_Html_Tag $tag)
{
if (!strlen($text))
{
// no children, just do a linebreak
return "\n";
}
$childList = 0;
$childOtherTag = 0;
$childText = 0;
foreach ($tag->children() AS $child)
{
if ($child instanceof XenForo_Html_Tag)
{
if ($child->tagName() == 'ol' || $child->tagName() == 'ul')
{
$childList++;
}
else
{
$childOtherTag++;
}
}
else if ($child instanceof XenForo_Html_Text)
{
if (strlen(trim($child->text())) > 0)
{
$childText++;
}
}
}
if ($childList && !$childOtherTag && !$childText)
{
// just a list like <ul><ul><li>...</ul></ul>. This is how Chrome implements indent
$output = "[INDENT]{$text}[/INDENT]";
}
else
{
$output = sprintf($listFormatter, $text);
}
return $this->renderCss($tag, $output);
}
/**
* Handles UL tags.
*
* @param string $text Child text of the tag
* @param XenForo_Html_Tag $tag HTML tag triggering call
*
* @return string
*/
public function handleTagUl($text, XenForo_Html_Tag $tag)
{
return $this->_handleListTag("[LIST]\n%s\n[/LIST]", $text, $tag);
}
/**
* Handles OL tags.
*
* @param string $text Child text of the tag
* @param XenForo_Html_Tag $tag HTML tag triggering call
*
* @return string
*/
public function handleTagOl($text, XenForo_Html_Tag $tag)
{
return $this->_handleListTag("[LIST=1]\n%s\n[/LIST]", $text, $tag);
}
/**
* Handles LI tags.
*
* @param string $text Child text of the tag
* @param XenForo_Html_Tag $tag HTML tag triggering call
*
* @return string
*/
public function handleTagLi($text, XenForo_Html_Tag $tag)
{
$parent = $tag->parent();
if ($parent && !in_array($parent->tagName(), array('ol', 'ul')))
{
if (trim($text) === '')
{
return '';
}
else
{
return '[LIST][*]' . $text . '[/LIST]';
}
}
else
{
if (substr($text, -1) == self::BR_SUBSTITUTE)
{
// has a trailiing br. we need to add an extra line to make it really count
$text .= "\n";
}
return '[*]' . $text;
}
}
/**
* Handles heading tags.
*
* @param string $text Child text of the tag
* @param XenForo_Html_Tag $tag HTML tag triggering call
*
* @return string
*/
public function handleTagH($text, XenForo_Html_Tag $tag)
{
switch ($tag->tagName())
{
case 'h1': $size = 6; break;
case 'h2': $size = 5; break;
case 'h3': $size = 4; break;
case 'h4': $size = 3; break;
default: $size = false;
}
$text = '[B]' . $text . '[/B]';
if ($size)
{
$text = '[SIZE=' . $size . ']' . $text . '[/SIZE]';
}
return $text . "\n";
}
/**
* Handles CSS (text) color rules.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssColor($text, $color)
{
return "[COLOR=$color]{$text}[/COLOR]";
}
/**
* Handles CSS float rules.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssFloat($text, $alignment)
{
switch (strtolower($alignment))
{
case 'left':
case 'right':
$alignmentUpper = strtoupper($alignment);
return "[$alignmentUpper]{$text}[/$alignmentUpper]";
default:
return $text;
}
}
/**
* Handles CSS font-family rules. The first font is used.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssFontFamily($text, $cssValue)
{
list($fontFamily) = explode(',', $cssValue);
if (preg_match('/^(\'|")(.*)\\1$/', $fontFamily, $match))
{
$fontFamily = $match[2];
}
if ($fontFamily && preg_match('/^[a-z0-9 \-]+$/i', $fontFamily))
{
return "[FONT=$fontFamily]{$text}[/FONT]";
}
else
{
return $text;
}
}
/**
* Handles CSS font-size rules.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssFontSize($text, $fontSize)
{
switch (strtolower($fontSize))
{
case 'xx-small':
case '9px':
$fontSize = 1; break;
case 'x-small':
case '10px':
$fontSize = 2; break;
case 'small':
case '12px':
$fontSize = 3; break;
case 'medium':
case '15px':
case '100%':
$fontSize = 4; break;
case 'large':
case '18px':
$fontSize = 5; break;
case 'x-large':
case '22px':
$fontSize = 6; break;
case 'xx-large':
case '26px':
$fontSize = 7; break;
default:
if (!preg_match('/^[0-9]+(px)?$/i', $fontSize))
{
$fontSize = 0;
}
}
if ($fontSize)
{
return "[SIZE=$fontSize]{$text}[/SIZE]";
}
else
{
return $text;
}
}
/**
* Handles CSS font-style rules.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssFontStyle($text, $fontStyle)
{
switch (strtolower($fontStyle))
{
case 'italic':
case 'oblique':
return '[I]' . $text . '[/I]';
default:
return $text;
}
}
/**
* Handles CSS font-weight rules.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssFontWeight($text, $fontWeight)
{
switch (strtolower($fontWeight))
{
case 'bold':
case 'bolder':
case '700':
case '800':
case '900':
return '[B]' . $text . '[/B]';
default:
return $text;
}
}
/**
* Handles CSS padding-left rules to represent LTR indent.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssPaddingLeft($text, $paddingAmount)
{
$language = XenForo_Visitor::getInstance()->getLanguage();
if ($language['text_direction'] == 'RTL')
{
return $text;
}
if (preg_match('/^(\d+)px$/i', $paddingAmount, $match))
{
$depth = floor($match[1] / 30); // editor puts in 30px
if ($depth)
{
return '[INDENT=' . $depth . ']' . $text . '[/INDENT]';
}
}
return $text;
}
/**
* Handles CSS padding-left rules to represent RTL indent.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssPaddingRight($text, $paddingAmount)
{
$language = XenForo_Visitor::getInstance()->getLanguage();
if ($language['text_direction'] != 'RTL')
{
return $text;
}
if (preg_match('/^(\d+)px$/i', $paddingAmount, $match))
{
$depth = floor($match[1] / 30); // editor puts in 30px
if ($depth)
{
return '[INDENT=' . $depth . ']' . $text . '[/INDENT]';
}
}
return $text;
}
/**
* Handles CSS text-align rules.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssTextAlign($text, $alignment)
{
switch (strtolower($alignment))
{
case 'left':
case 'center':
case 'right':
$alignmentUpper = strtoupper($alignment);
return "[$alignmentUpper]{$text}[/$alignmentUpper]";
default:
return $text;
}
}
/**
* Handles CSS text-decoration rules.
*
* @param string $text Child text of the tag with the CSS
* @param string $alignment Value of the CSS rule
*
* @return string
*/
public function handleCssTextDecoration($text, $decoration)
{
switch (strtolower($decoration))
{
case 'underline':
return "[U]{$text}[/U]";
case 'line-through':
return "[S]{$text}[/S]";
default:
return $text;
}
}
}
class XenForo_Html_Renderer_BbCode_Element
{
protected $_type = '';
protected $_text = '';
protected $_isWhiteSpace = null;
protected $_modifiers = array();
protected $_leadingLines = 0;
protected $_trailingLines = 0;
public function __construct($type, $text = '')
{
$this->setType($type);
$this->setText($text);
}
public function type()
{
return $this->_type;
}
public function text()
{
return $this->_text;
}
public function append($text)
{
$this->_text .= $text;
$this->_setIsWhiteSpace();
}
public function setText($text)
{
$this->_text = $text;
$this->_setIsWhiteSpace();
}
protected function _setIsWhiteSpace()
{
$this->_isWhiteSpace = (strlen(trim($this->_text)) == 0);
}
public function setType($type)
{
$this->_type = $type;
}
public function setModifier($key, $value = true)
{
$this->_modifiers[$key] = $value;
}
public function unsetModifier($key)
{
unset($this->_modifiers[$key]);
}
public function getModifier($key)
{
return (isset($this->_modifiers[$key]) ? $this->_modifiers[$key] : null);
}
public function incrementModifier($key, $offset = 1)
{
if (!isset($this->_modifiers[$key]))
{
$this->_modifiers[$key] = $offset;
}
else
{
$this->_modifiers[$key] += $offset;
}
}
public function decrementModifier($key, $offset = 1)
{
if (isset($this->_modifiers[$key]))
{
$this->_modifiers[$key] -= $offset;
if ($this->_modifiers[$key] <= 0)
{
$this->unsetModifier($key);
}
}
}
public function leadingLines()
{
return $this->_leadingLines;
}
public function incrementLeadingLines($offset = 1)
{
$this->_leadingLines += $offset;
}
public function decrementLeadingLines($offset = 1)
{
$this->_leadingLines = max(0, $this->_leadingLines - $offset);
}
public function trailingLines()
{
return $this->_trailingLines;
}
public function incrementTrailingLines($offset = 1)
{
$this->_trailingLines += $offset;
}
public function decrementTrailingLines($offset = 1)
{
$this->_trailingLines = max(0, $this->_trailingLines - $offset);
}
public function isBlock()
{
return ($this->_type == 'block');
}
public function isBr()
{
return ($this->_type == 'br');
}
public function isInline()
{
return !$this->isBlock();
}
public function isText()
{
return ($this->_type == 'text');
}
public function isEmpty()
{
return (strlen(trim($this->_text)) == 0);
}
public function isWhiteSpace()
{
return ($this->_isWhiteSpace && $this->isText());
}
}