diff options
Diffstat (limited to 'lib/util.php')
| -rw-r--r-- | lib/util.php | 195 |
1 files changed, 138 insertions, 57 deletions
diff --git a/lib/util.php b/lib/util.php index ae812e8cf..7fb2c6c4b 100644 --- a/lib/util.php +++ b/lib/util.php @@ -426,13 +426,148 @@ function common_render_content($text, $notice) { $r = common_render_text($text); $id = $notice->profile_id; - $r = preg_replace('/(^|\s+)@(['.NICKNAME_FMT.']{1,64})/e', "'\\1@'.common_at_link($id, '\\2')", $r); - $r = preg_replace('/^T ([A-Z0-9]{1,64}) /e', "'T '.common_at_link($id, '\\1').' '", $r); - $r = preg_replace('/(^|[\s\.\,\:\;]+)@#([A-Za-z0-9]{1,64})/e', "'\\1@#'.common_at_hash_link($id, '\\2')", $r); + $r = common_linkify_mentions($id, $r); $r = preg_replace('/(^|[\s\.\,\:\;]+)!([A-Za-z0-9]{1,64})/e', "'\\1!'.common_group_link($id, '\\2')", $r); return $r; } +function common_linkify_mentions($profile_id, $text) +{ + $mentions = common_find_mentions($profile_id, $text); + + // We need to go through in reverse order by position, + // so our positions stay valid despite our fudging with the + // string! + + $points = array(); + + foreach ($mentions as $mention) + { + $points[$mention['position']] = $mention; + } + + krsort($points); + + foreach ($points as $position => $mention) { + + $linkText = common_linkify_mention($mention); + + $text = substr_replace($text, $linkText, $position, mb_strlen($mention['text'])); + } + + return $text; +} + +function common_linkify_mention($mention) +{ + $output = null; + + if (Event::handle('StartLinkifyMention', array($mention, &$output))) { + + $xs = new XMLStringer(false); + + $attrs = array('href' => $mention['url'], + 'class' => 'url'); + + if (!empty($mention['title'])) { + $attrs['title'] = $mention['title']; + } + + $xs->elementStart('span', 'vcard'); + $xs->elementStart('a', $attrs); + $xs->element('span', 'fn nickname', $mention['text']); + $xs->elementEnd('a'); + $xs->elementEnd('span'); + + $output = $xs->getString(); + + Event::handle('EndLinkifyMention', array($mention, &$output)); + } + + return $output; +} + +function common_find_mentions($profile_id, $text) +{ + $mentions = array(); + + $sender = Profile::staticGet('id', $profile_id); + + if (empty($sender)) { + return $mentions; + } + + if (Event::handle('StartFindMentions', array($sender, $text, &$mentions))) { + + preg_match_all('/^T ([A-Z0-9]{1,64}) /', + $text, + $tmatches, + PREG_OFFSET_CAPTURE); + + preg_match_all('/(?:^|\s+)@(['.NICKNAME_FMT.']{1,64})/', + $text, + $atmatches, + PREG_OFFSET_CAPTURE); + + $matches = array_merge($tmatches[1], $atmatches[1]); + + foreach ($matches as $match) { + + $nickname = common_canonical_nickname($match[0]); + $mentioned = common_relative_profile($sender, $nickname); + + if (!empty($mentioned)) { + + $user = User::staticGet('id', $mentioned->id); + + if ($user) { + $url = common_local_url('userbyid', array('id' => $user->id)); + } else { + $url = $mentioned->profileurl; + } + + $mention = array('mentioned' => array($mentioned), + 'text' => $match[0], + 'position' => $match[1], + 'url' => $url); + + if (!empty($mentioned->fullname)) { + $mention['title'] = $mentioned->fullname; + } + + $mentions[] = $mention; + } + } + + // @#tag => mention of all subscriptions tagged 'tag' + + preg_match_all('/(?:^|[\s\.\,\:\;]+)@#([\pL\pN_\-\.]{1,64})/', + $text, + $hmatches, + PREG_OFFSET_CAPTURE); + + foreach ($hmatches[1] as $hmatch) { + + $tag = common_canonical_tag($hmatch[0]); + + $tagged = Profile_tag::getTagged($sender->id, $tag); + + $url = common_local_url('subscriptions', + array('nickname' => $sender->nickname, + 'tag' => $tag)); + + $mentions[] = array('mentioned' => $tagged, + 'text' => $hmatch[0], + 'position' => $hmatch[1], + 'url' => $url); + } + + Event::handle('EndFindMentions', array($sender, $text, &$mentions)); + } + + return $mentions; +} + function common_render_text($text) { $r = htmlspecialchars($text); @@ -663,37 +798,6 @@ function common_valid_profile_tag($str) return preg_match('/^[A-Za-z0-9_\-\.]{1,64}$/', $str); } -function common_at_link($sender_id, $nickname) -{ - $sender = Profile::staticGet($sender_id); - if (!$sender) { - return $nickname; - } - $recipient = common_relative_profile($sender, common_canonical_nickname($nickname)); - if ($recipient) { - $user = User::staticGet('id', $recipient->id); - if ($user) { - $url = common_local_url('userbyid', array('id' => $user->id)); - } else { - $url = $recipient->profileurl; - } - $xs = new XMLStringer(false); - $attrs = array('href' => $url, - 'class' => 'url'); - if (!empty($recipient->fullname)) { - $attrs['title'] = $recipient->fullname . ' (' . $recipient->nickname . ')'; - } - $xs->elementStart('span', 'vcard'); - $xs->elementStart('a', $attrs); - $xs->element('span', 'fn nickname', $nickname); - $xs->elementEnd('a'); - $xs->elementEnd('span'); - return $xs->getString(); - } else { - return $nickname; - } -} - function common_group_link($sender_id, $nickname) { $sender = Profile::staticGet($sender_id); @@ -716,29 +820,6 @@ function common_group_link($sender_id, $nickname) } } -function common_at_hash_link($sender_id, $tag) -{ - $user = User::staticGet($sender_id); - if (!$user) { - return $tag; - } - $tagged = Profile_tag::getTagged($user->id, common_canonical_tag($tag)); - if ($tagged) { - $url = common_local_url('subscriptions', - array('nickname' => $user->nickname, - 'tag' => $tag)); - $xs = new XMLStringer(); - $xs->elementStart('span', 'tag'); - $xs->element('a', array('href' => $url, - 'rel' => $tag), - $tag); - $xs->elementEnd('span'); - return $xs->getString(); - } else { - return $tag; - } -} - function common_relative_profile($sender, $nickname, $dt=null) { // Try to find profiles this profile is subscribed to that have this nickname |