+ * @var \phpbb\textformatter\s9e\link_helper

+ */

+ protected $link_helper;

+

+ /**

+ * @param \phpbb\textformatter\s9e\link_helper $link_helper

+ public function __construct(\phpbb\textformatter\data_access $data_access, \phpbb\cache\driver\driver_interface $cache, \phpbb\event\dispatcher_interface $dispatcher, \phpbb\config\config $config, \phpbb\textformatter\s9e\link_helper $link_helper, $cache_dir, $cache_key_parser, $cache_key_renderer)

+ $this->link_helper = $link_helper;

+ $this->configure_autolink($configurator);

+ * Configure the Autolink / Autoemail plugins used to linkify text

+ *

+ * @param \s9e\TextFormatter\Configurator $configurator

+ * @return void

+ */

+ protected function configure_autolink(Configurator $configurator)

+ {

+ $configurator->plugins->load('Autoemail');

+ $configurator->plugins->load('Autolink', array('matchWww' => true));

+

+ // Add a tag filter that creates a tag that stores and replace the

+ // content of a link created by the Autolink plugin

+ $configurator->Autolink->getTag()->filterChain

+ ->add(array($this->link_helper, 'generate_link_text_tag'))

+ ->resetParameters()

+ ->addParameterByName('tag')

+ ->addParameterByName('parser');

+

+ // Create a tag that will be used to display the truncated text by

+ // replacing the original content with the content of the @text attribute

+ $tag = $configurator->tags->add('LINK_TEXT');

+ $tag->attributes->add('text');

+ $tag->template = '<xsl:value-of select="@text"/>';

+

+ $tag->filterChain

+ ->add(array($this->link_helper, 'truncate_local_url'))

+ ->resetParameters()

+ ->addParameterByName('tag')

+ ->addParameterByValue(generate_board_url() . '/');

+ $tag->filterChain

+ ->add(array($this->link_helper, 'truncate_text'))

+ ->resetParameters()

+ ->addParameterByName('tag');

+ $tag->filterChain

+ ->add(array($this->link_helper, 'cleanup_tag'))

+ ->resetParameters()

+ ->addParameterByName('tag')

+ ->addParameterByName('parser');

+ }

+

+ /**

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\textformatter\s9e;

+

+class link_helper

+{

+ /**

+ * Clean up and invalidate a LINK_TEXT tag if applicable

+ *

+ * Will invalidate the tag if its replacement text is the same as the original

+ * text and would have no visible effect

+ *

+ * @param \s9e\TextFormatter\Parser\Tag $tag LINK_TEXT tag

+ * @param \s9e\TextFormatter\Parser $parser Parser

+ * @return bool Whether the tag is valid

+ */

+ public function cleanup_tag(\s9e\TextFormatter\Parser\Tag $tag, \s9e\TextFormatter\Parser $parser)

+ {

+ // Invalidate if the content of the tag matches the text attribute

+ $text = substr($parser->getText(), $tag->getPos(), $tag->getLen());

+

+ return ($text !== $tag->getAttribute('text'));

+ }

+

+ /**

+ * Create a LINK_TEXT tag inside of a link

+ *

+ * Meant to only apply to linkified URLs and [url] BBCodes without a parameter

+ *

+ * @param \s9e\TextFormatter\Parser\Tag $tag URL tag (start tag)

+ * @param \s9e\TextFormatter\Parser $parser Parser

+ * @return bool Always true to indicate that the tag is valid

+ */

+ public function generate_link_text_tag(\s9e\TextFormatter\Parser\Tag $tag, \s9e\TextFormatter\Parser $parser)

+ {

+ // Only create a LINK_TEXT tag if the start tag is paired with an end

+ // tag, which is the case with tags from the Autolink plugins and with

+ // the [url] BBCode when its content is used for the URL

+ if (!$tag->getEndTag() || !$this->should_shorten($tag, $parser->getText()))

+ {

+ return true;

+ }

+

+ // Capture the text between the start tag and its end tag

+ $start = $tag->getPos() + $tag->getLen();

+ $end = $tag->getEndTag()->getPos();

+ $length = $end - $start;

+ $text = substr($parser->getText(), $start, $length);

+

+ // Create a tag that consumes the link's text

+ $parser->addSelfClosingTag('LINK_TEXT', $start, $length)->setAttribute('text', $text);

+

+ return true;

+ }

+

+ /**

+ * Test whether we should shorten this tag's text

+ *

+ * Will test whether the tag either does not use any markup or uses a single

+ * [url] BBCode

+ *

+ * @param \s9e\TextFormatter\Parser\Tag $tag URL tag

+ * @param string $text Original text

+ * @return bool

+ */

+ protected function should_shorten(\s9e\TextFormatter\Parser\Tag $tag, $text)

+ {

+ return ($tag->getLen() === 0 || strtolower(substr($text, $tag->getPos(), $tag->getLen())) === '[url]');

+ }

+

+ /**

+ * Remove the board's root URL from a the start of a string

+ *

+ * @param \s9e\TextFormatter\Parser\Tag $tag LINK_TEXT tag

+ * @param string $board_url Forum's root URL (with trailing slash)

+ * @return bool Always true to indicate that the tag is valid

+ */

+ public function truncate_local_url(\s9e\TextFormatter\Parser\Tag $tag, $board_url)

+ {

+ $text = $tag->getAttribute('text');

+ if (stripos($text, $board_url) === 0 && strlen($text) > strlen($board_url))

+ {

+ $tag->setAttribute('text', substr($text, strlen($board_url)));

+ }

+

+ return true;

+ }

+

+ /**

+ * Truncate the replacement text set in a LINK_TEXT tag

+ *

+ * @param \s9e\TextFormatter\Parser\Tag $tag LINK_TEXT tag

+ * @return bool Always true to indicate that the tag is valid

+ */

+ public function truncate_text(\s9e\TextFormatter\Parser\Tag $tag)

+ {

+ $text = $tag->getAttribute('text');

+ if (utf8_strlen($text) > 55)

+ {

+ $text = utf8_substr($text, 0, 39) . ' ... ' . utf8_substr($text, -10);

+ }

+

+ $tag->setAttribute('text', $text);

+

+ return true;

+ }

+}