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phorge-phorge/src/infrastructure/markup/rule/PhabricatorRemarkupRuleMention.php
vrana ef85f49adc Delete license headers from files
Summary:
This commit doesn't change license of any file. It just makes the license implicit (inherited from LICENSE file in the root directory).

We are removing the headers for these reasons:

- It wastes space in editors, less code is visible in editor upon opening a file.
- It brings noise to diff of the first change of any file every year.
- It confuses Git file copy detection when creating small files.
- We don't have an explicit license header in other files (JS, CSS, images, documentation).
- Using license header in every file is not obligatory: http://www.apache.org/dev/apply-license.html#new.

This change is approved by Alma Chao (Lead Open Source and IP Counsel at Facebook).

Test Plan: Verified that the license survived only in LICENSE file and that it didn't modify externals.

Reviewers: epriestley, davidrecordon

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2035

Differential Revision: https://secure.phabricator.com/D3886
2012-11-05 11:16:51 -08:00

130 lines
4.2 KiB
PHP

<?php
/**
* @group markup
*/
final class PhabricatorRemarkupRuleMention
extends PhutilRemarkupRule {
const KEY_RULE_MENTION = 'rule.mention';
const KEY_RULE_MENTION_ORIGINAL = 'rule.mention.original';
const KEY_MENTIONED = 'phabricator.mentioned-user-phids';
// NOTE: The negative lookbehind prevents matches like "mail@lists", while
// allowing constructs like "@tomo/@mroch". Since we now allow periods in
// usernames, we can't resonably distinguish that "@company.com" isn't a
// username, so we'll incorrectly pick it up, but there's little to be done
// about that. We forbid terminal periods so that we can correctly capture
// "@joe" instead of "@joe." in "Hey, @joe.".
const REGEX = '/(?<!\w)@([a-zA-Z0-9._-]*[a-zA-Z0-9_-])/';
public function apply($text) {
return preg_replace_callback(
self::REGEX,
array($this, 'markupMention'),
$text);
}
private function markupMention($matches) {
$engine = $this->getEngine();
$token = $engine->storeText('');
// Store the original text exactly so we can preserve casing if it doesn't
// resolve into a username.
$original_key = self::KEY_RULE_MENTION_ORIGINAL;
$original = $engine->getTextMetadata($original_key, array());
$original[$token] = $matches[1];
$engine->setTextMetadata($original_key, $original);
$metadata_key = self::KEY_RULE_MENTION;
$metadata = $engine->getTextMetadata($metadata_key, array());
$username = strtolower($matches[1]);
if (empty($metadata[$username])) {
$metadata[$username] = array();
}
$metadata[$username][] = $token;
$engine->setTextMetadata($metadata_key, $metadata);
return $token;
}
public function didMarkupText() {
$engine = $this->getEngine();
$metadata_key = self::KEY_RULE_MENTION;
$metadata = $engine->getTextMetadata($metadata_key, array());
if (empty($metadata)) {
// No mentions, or we already processed them.
return;
}
$original_key = self::KEY_RULE_MENTION_ORIGINAL;
$original = $engine->getTextMetadata($original_key, array());
$usernames = array_keys($metadata);
$user_table = new PhabricatorUser();
$real_user_names = queryfx_all(
$user_table->establishConnection('r'),
'SELECT username, phid, realName, isDisabled
FROM %T
WHERE username IN (%Ls)',
$user_table->getTableName(),
$usernames);
$actual_users = array();
$mentioned_key = self::KEY_MENTIONED;
$mentioned = $engine->getTextMetadata($mentioned_key, array());
foreach ($real_user_names as $row) {
$actual_users[strtolower($row['username'])] = $row;
$mentioned[$row['phid']] = $row['phid'];
}
$engine->setTextMetadata($mentioned_key, $mentioned);
foreach ($metadata as $username => $tokens) {
$exists = isset($actual_users[$username]);
if (!$exists) {
$class = 'phabricator-remarkup-mention-unknown';
} else if ($actual_users[$username]['isDisabled']) {
$class = 'phabricator-remarkup-mention-disabled';
} else {
$class = 'phabricator-remarkup-mention-exists';
}
if ($exists) {
$tag = phutil_render_tag(
'a',
array(
'class' => $class,
'href' => '/p/'.$actual_users[$username]['username'].'/',
'target' => '_blank',
'title' => $actual_users[$username]['realName'],
),
phutil_escape_html('@'.$actual_users[$username]['username']));
foreach ($tokens as $token) {
$engine->overwriteStoredText($token, $tag);
}
} else {
// NOTE: The structure here is different from the 'exists' branch,
// because we want to preserve the original text capitalization and it
// may differ for each token.
foreach ($tokens as $token) {
$tag = phutil_render_tag(
'span',
array(
'class' => $class,
),
phutil_escape_html('@'.idx($original, $token, $username)));
$engine->overwriteStoredText($token, $tag);
}
}
}
// Don't re-process these mentions.
$engine->setTextMetadata($metadata_key, array());
}
}