private function apply_remove($pid, $contact, AssignmentState $state, $m)
{
$prow = $state->prow($pid);
// resolve twiddle portion
if ($m[1] && $m[1] != "~~" && !ctype_digit(substr($m[1], 0, strlen($m[1]) - 1))) {
$c = substr($m[1], 0, strlen($m[1]) - 1);
$twiddlecids = ContactSearch::make_pc($c, $state->contact->contactId)->ids;
if (count($twiddlecids) == 0) {
return "“" . htmlspecialchars($c) . "” doesn’t match a PC member.";
} else {
if (count($twiddlecids) == 1) {
$m[1] = $twiddlecids[0] . "~";
} else {
$m[1] = "(?:" . join("|", $twiddlecids) . ")~";
}
}
}
// resolve tag portion
$search_ltag = null;
if (strcasecmp($m[2], "none") == 0) {
return;
} else {
if (strcasecmp($m[2], "any") == 0 || strcasecmp($m[2], "all") == 0) {
if ($m[1]) {
$m[2] = "[^~]*";
} else {
if ($state->contact->privChair) {
$m[2] = "(?:~~|" . $state->contact->contactId . "~|)[^~]*";
} else {
$m[2] = "(?:" . $state->contact->contactId . "~|)[^~]*";
}
}
} else {
if (!preg_match(',[*(],', $m[1] . $m[2])) {
$search_ltag = $m[1] . $m[2];
}
$m[2] = str_replace("\\*", "[^~]*", preg_quote($m[2]));
}
}
// resolve index comparator
if (preg_match(',\\A(?:any|all|none|clear)\\z,i', $m[4])) {
$m[3] = $m[4] = "";
} else {
if ($m[3] == "#") {
$m[3] = "=";
}
$m[4] = cvtint($m[4], 0);
}
// if you can't view the tag, you can't clear the tag
// (information exposure)
if ($search_ltag && !$state->contact->can_view_tag($prow, $search_ltag, $state->override)) {
return $this->cannot_view_error($state, $pid, $search_ltag);
}
// query
$res = $state->query(array("type" => "tag", "pid" => $pid, "ltag" => $search_ltag));
$tag_re = '{\\A' . $m[1] . $m[2] . '\\z}i';
$vote_adjustments = array();
foreach ($res as $x) {
if (preg_match($tag_re, $x["ltag"]) && (!$m[3] || CountMatcher::compare($x["_index"], $m[3], $m[4])) && ($search_ltag || $state->contact->can_change_tag($prow, $x["ltag"], $x["_index"], null, $state->override))) {
$state->remove($x);
if ($v = TagInfo::votish_base($x["ltag"])) {
$vote_adjustments[$v] = true;
}
}
}
foreach ($vote_adjustments as $vtag => $v) {
$this->account_votes($pid, $vtag, $state);
}
}
