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<?php
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// $Id$
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/**
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* @file
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* Nickname lameness meter. Ported from the perl script by Adam Spiers.
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*
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* @author David Kent Norman
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* @link http://deekayen.net
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* @link http://www.adamspiers.org/computing/nickometer/
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*/
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/**
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* Implementation of hook_help().
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*/
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function nickometer_help($path, $arg) {
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switch ($path) {
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case 'nickometer':
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return t('When online chatters use a nick that is especially lame, let them know by putting a score to it.');
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}
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}
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/**
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* Impelementation of hook_perm().
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*
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* @return array
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*/
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function nickometer_perm() {
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return array('access nickometer');
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}
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/**
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* Implementation of hook_menu().
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*
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* @return array
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*/
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function nickometer_menu() {
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$items = array();
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$items['nickometer'] = array(
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'page callback' => 'drupal_get_form',
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'page arguments' => array('nickometer_form'),
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'access callback' => 'user_access',
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'access arguments' => array('access nickometer'),
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'title' => 'Lame-O-Nickometer',
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'title callback' => 't',
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'title arguments' => array(),
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'type' => MENU_CALLBACK
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);
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return $items;
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}
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function nickometer_form() {
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$form = array();
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$form['nick'] = array(
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'#type' => 'textfield',
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'#size' => 20
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Check nick'),
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);
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return $form;
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}
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function nickometer_form_submit($form, &$form_state) {
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$nick = $form_state['values']['nick'];
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drupal_set_message(t('Original nick: @nick', array('@nick' => $nick)));
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$score = 0;
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// Deal with special cases (precede with \ to prevent de-k3wlt0k)
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$special_cost = array(
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'69' => 500,
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'dea?th' => 500,
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'dark' => 400,
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'n[i1]ght' => 300,
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'n[i1]te' => 500,
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'fuck' => 500,
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'sh[i1]t' => 500,
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'coo[l1]' => 500,
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'kew[l1]' => 500,
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'lame' => 500,
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'dood' => 500,
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'dude' => 500,
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'rool[sz]' => 500,
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'rule[sz]' => 500,
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'[l1](oo?|u)[sz]er' => 500,
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'[l1]eet' => 500,
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'e[l1]ite' => 500,
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'[l1]ord' => 500,
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'k[i1]ng' => 500,
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'pron' => 1000,
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'warez' => 1000,
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'xx' => 100,
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'\[rkx]0' => 1000,
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'\0[rkx]' => 1000,
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);
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foreach ($special_cost as $special_pattern => $value) {
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if (preg_match("/$special_pattern/i", $nick, $reg)) {
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$score = _nickometer_punish($score, $value, t('matched special case !match ', array('!match' => $reg[0])));
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}
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}
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// Punish consecutive non-alphas
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preg_match_all("/([^A-Za-z]{2,})/", $nick, $regs);
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$consecutive = sizeof($regs[0]);
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if ($consecutive) {
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$score = _nickometer_punish($score, _nickometer_slow_pow(10, $consecutive), t("!num total consecutive non-alphas", array('!num' => $consecutive)));
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}
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// Remove one layer of balanced brackets and punish for rest
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// Porting to PHP made this messy
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// ...room to improve here later
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if (strcmp(preg_replace("/^([^{}]*)(\{)(.*)(\})([^{}]*)$/x", "\\1\\3\\5", $nick), $nick) != 0) {
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$newnick = preg_replace("/^([^{}]*)(\{)(.*)(\})([^{}]*)$/x", "\\1\\3\\5", $nick);
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drupal_set_message(t('Removed {} outside parentheses; nick now !newnick', array('!newnick' => $newnick)));
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}
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else if (strcmp(preg_replace("/^([^\[\]]*)(\[)(.*)(\])([^\[\]]*)$/x", "\\1\\3\\5", $nick), $nick) != 0) {
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$newnick = preg_replace("/^([^\[\]]*)(\[)(.*)(\])([^\[\]]*)$/x", "\\1\\3\\5", $nick);
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drupal_set_message(t('Removed [] outside parentheses; nick now !newnick', array('!newnick' => $newnick)));
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}
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else if (strcmp(preg_replace("/^([^()]*)(\()(.*)(\))([^()]*)$/", "\\1\\3\\5", $nick), $nick) != 0) {
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$newnick = preg_replace("/^([^()]*)(\()(.*)(\))([^()]*)$/", "\\1\\3\\5", $nick);
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drupal_set_message(t('Removed () outside parentheses; nick now !newnick', array('!newnick' => $newnick)));
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}
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else {
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$newnick = $nick;
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}
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// the following lines were done in perl with just: $parentheses = tr/(){}[]/(){}[]/;
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$parens = array('(', ')', '{', '}', '[', ']');
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for ($i=0; $i<sizeof($parens); $i++) {
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$parentheses += substr_count($newnick, $parens[$i]);
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$newnick = str_replace($parens[$i], '', $newnick);
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}
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if ($parentheses) {
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$score = _nickometer_punish($score, _nickometer_slow_pow(10, $parentheses), "$parentheses extraneous "
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. ($parentheses == 1 ? 'parenthesis' : 'parentheses'));
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}
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// Punish k3wlt0k
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$k3wlt0k_weights = array(5, 5, 2, 5, 2, 3, 1, 2, 2, 2);
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for ($digit=0; $digit<=9; $digit++) {
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$occurrences = substr_count($newnick, $digit);
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if ($occurrences) {
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$score = _nickometer_punish($score, $k3wlt0k_weights[$digit] * $occurrences * 30,
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$occurrences . ' '
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. (($occurrences == 1) ? 'occurrence' : 'occurrences')
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. " of $digit");
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}
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}
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/*
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This needs to be fixed so there aren't too many extraneous caps
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# An alpha caps is not lame in middle or at end, provided the first
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# alpha is caps.
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$capnick = $newnick;
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$newnick = preg_replace ("/^([^A-Za-z]*[A-Z].*[a-z].*?)[_-]?([A-Z])/e", "'\\1'.strtolower('\\2')", $newnick);
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# A caps first alpha is sometimes not lame
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$newnick = preg_replace ("/^([^A-Za-z]*)([A-Z])([a-z])/e", "'\\1'.strtolower('\\2').strtolower('\\3')", $newnick);
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*/
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// Punish uppercase to lowercase shifts and vice-versa, modulo
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// exceptions above
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$case_shifts = _nickometer_case_shifts($newnick);
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if ($case_shifts > 1 && preg_match("/[A-Z]/", $newnick))
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$score = _nickometer_punish($score, _nickometer_slow_pow(9, $case_shifts),
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$case_shifts . ' case ' .
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(($case_shifts == 1) ? 'shift' : 'shifts'));
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// Punish lame endings (TorgoX, WraithX et al. might kill me for this :-)
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if (preg_match("/[XZ][^a-zA-Z]*$/", $newnick)) {
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$score = _nickometer_punish($score, 50, 'last alpha lame');
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}
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// Punish letter to numeric shifts and vice-versa
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$number_shifts = _nickometer_number_shifts($newnick);
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if ($number_shifts > 1) {
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$score = _nickometer_punish($score, _nickometer_slow_pow(9, $number_shifts),
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$number_shifts . ' letter/number ' .
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(($number_shifts == 1) ? 'shift' : 'shifts'));
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}
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$newnick = preg_replace("/[a-z]/", '', $newnick);
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// Punish extraneous caps
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$newnick = preg_split('//', $newnick);
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$caps = 0;
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for ($i=0; $i<sizeof($newnick); $i++) {
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if (preg_match("/^([A-Z])$/", $newnick[$i])) {
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$caps++;
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}
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}
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if ($caps) {
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$score = _nickometer_punish($score, _nickometer_slow_pow(7, $caps), t("!num extraneous caps", array('!num' => $caps)));
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}
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// Now punish anything that's left
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$remains = preg_replace("/[A-Za-z0-9]/", '', $newnick);
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if (is_array($remains)) {
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$remains = implode('', $remains);
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}
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$remains_length = strlen($remains);
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if ($remains) {
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$score = _nickometer_punish($score, 50 * $remains_length + _nickometer_slow_pow(9, $remains_length),
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$remains_length . ' extraneous ' .
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(($remains_length == 1) ? 'symbol' : 'symbols'));
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}
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drupal_set_message(t("Raw lameness score is !score", array('!score' => sprintf("%.2f", $score))));
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$percentage = 100 * (1 + tanh(($score-400)/400)) * (1 - 1/(1+$score/5)) / 2;
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$digits = 2 * (2 - ceil(log(100 - $percentage) / log(10)));
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drupal_set_message(t("!percent is the percentage of suckage", array('!percent' => sprintf("%.${digits}f", $percentage))));
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}
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function _nickometer_number_shifts($shift) {
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$shift = preg_split('//', $shift);
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$shifts = 0;
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for ($i=0; $i<sizeof($shift); $i++) {
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if (preg_match("/^([A-Za-z])$/", $shift[$i])) {
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$shifts += ($case == 'n' ? 1 : 0);
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$case = 'l';
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}
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else if (preg_match("/^([0-9])$/", $shift[$i])) {
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$shifts += ($case == 'l' ? 1 : 0);
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$case = 'n';
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}
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}
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return $shifts - 1;
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}
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function _nickometer_case_shifts($shift) {
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$shift = preg_replace("/\d/", '', $shift);
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$shift = preg_split('//', $shift);
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$shifts = 0;
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for ($i=0; $i<sizeof($shift); $i++) {
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if (preg_match("/^([A-Z])$/", $shift[$i])) {
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$shifts += ($case == 'l' ? 1 : 0);
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$case = 'U';
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}
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elseif (preg_match("/^([a-z])$/", $shift[$i])) {
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$shifts += ($case == 'U' ? 1 : 0);
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$case = 'l';
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}
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}
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return $shifts - 1;
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}
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function _nickometer_slow_pow($x, $y) {
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return pow($x, _nickometer_slow_exponent($y));
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}
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function _nickometer_slow_exponent($x) {
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return 1.3 * $x * (1 - atan($x/6) *2/pi());
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}
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function _nickometer_punish($score, $damage, $reason) {
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$score += $damage;
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if ($damage) {
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drupal_set_message(t('!num lameness points awarded: !reason', array('!num' => sprintf("%.2f", $damage), '!reason' => $reason)));
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}
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return $score;
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}
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