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[ticket/14323] Added support for truncating long URLs
PHPBB3-14323
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@@ -332,8 +332,7 @@ class factory implements \phpbb\textformatter\cache_interface
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}
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// Load the magic links plugins. We do that after BBCodes so that they use the same tags
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$configurator->plugins->load('Autoemail');
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$configurator->plugins->load('Autolink', array('matchWww' => true));
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$this->configure_autolink($configurator);
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// Register some vars with a default value. Those should be set at runtime by whatever calls
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// the parser
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@@ -394,6 +393,31 @@ class factory implements \phpbb\textformatter\cache_interface
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return array('parser' => $parser, 'renderer' => $renderer);
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}
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/**
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* Configure the Autolink / Autoemail plugins used to linkify text
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*
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* @param \s9e\TextFormatter\Configurator $configurator
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* @return void
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*/
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protected function configure_autolink(Configurator $configurator)
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{
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$configurator->plugins->load('Autoemail');
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$configurator->plugins->load('Autolink', array('matchWww' => true));
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// Create a tag that will be used to display the truncated text by replacing the original
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// content with the content of the @text attribute
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$tag = $configurator->tags->add('AUTOLINK_TEXT');
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$tag->attributes->add('text');
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$tag->template = '<xsl:value-of select="@text"/>';
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// Add a tag filter that replaces the text of links that were created by the Autolink plugin
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$configurator->Autolink->getTag()->filterChain
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->add(__NAMESPACE__ . '\\parser::generate_autolink_text')
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->resetParameters()
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->addParameterByName('tag')
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->addParameterByName('parser');
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}
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/**
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* Return the default BBCodes configuration
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*
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@@ -393,4 +393,44 @@ class parser implements \phpbb\textformatter\parser_interface
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return $url;
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}
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/**
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* Replace the content displayed inside of a URL tag
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*
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* Will only apply to URL tags that do not use any markup (e.g. not "[url]") on the assumption
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* that those tags were created by the Autolink plugin to linkify URLs found in plain text
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*
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* @param \s9e\TextFormatter\Parser\Tag $url_tag URL tag (start tag)
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* @param \s9e\TextFormatter\Parser $parser Parser
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* @return bool Always TRUE to indicate that the tag is valid
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*/
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public static function generate_autolink_text(\s9e\TextFormatter\Parser\Tag $url_tag, \s9e\TextFormatter\Parser $parser)
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{
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// If the tag consumes any text then we ignore it because it's not a linkified URL. Same if
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// it's not paired with an end tag that doesn't consume any text either
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if ($url_tag->getLen() > 0 || !$url_tag->getEndTag())
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{
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return true;
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}
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// Capture the text between the start tag and its end tag
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$start = $url_tag->getPos();
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$end = $url_tag->getEndTag()->getPos();
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$length = $end - $start;
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$text = substr($parser->getText(), $start, $length);
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if ($length <= 55 || utf8_strlen($text) <= 55)
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{
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// Do not do anything if the text is not longer than 55 characters
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return true;
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}
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$tag = $parser->addSelfClosingTag('AUTOLINK_TEXT', $start, $length);
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$url_tag->cascadeInvalidationTo($tag);
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$text = utf8_substr($text, 0, 39) . ' ... ' . utf8_substr($text, -10);
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$tag->setAttribute('text', $text);
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return true;
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}
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}
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