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<?php |
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# vim:et:ts=3:sts=3:sw=3:fdm=marker: |
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// WebSVN - Subversion repository viewing via the web using PHP |
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// Copyright © 2004-2006 Tim Armes, Matt Sicker |
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// |
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// This program is free software; you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation; either version 2 of the License, or |
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// (at your option) any later version. |
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// |
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// This program is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// |
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// You should have received a copy of the GNU General Public License |
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// along with this program; if not, write to the Free Software |
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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// |
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// -- |
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// |
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// utils.inc |
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// |
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// General utility commands |
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// {{{ createDirLinks |
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// |
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// Create a list of links to the current path that'll be available from the template |
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function createDirLinks($rep, $path, $rev, $showchanged) |
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{ |
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global $vars, $config; |
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$subs = explode('/', htmlentities($path)); |
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$sofar = ""; |
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$count = count($subs); |
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$vars["curdirlinks"] = ""; |
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// The number of links depends on the last item. It's empty if |
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// we're looing at a directory, and full if it's a file |
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if (empty($subs[$count - 1])) |
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{ |
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$limit = $count - 2; |
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$dir = true; |
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} |
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else |
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{ |
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$limit = $count - 1; |
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$dir = false; |
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} |
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for ($n = 0; $n < $limit; $n++) |
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{ |
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$sofar .= html_entity_decode($subs[$n])."/"; |
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$sofarurl = $config->getURL($rep, $sofar, "dir"); |
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$vars["curdirlinks"] .= "[<a href=\"${sofarurl}rev=$rev&sc=$showchanged\">".$subs[$n]."/]</a> "; |
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} |
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if ($dir) |
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{ |
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$vars["curdirlinks"] .= "[<b>".html_entity_decode($subs[$n])."</b>/]"; |
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} |
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else |
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{ |
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$vars["curdirlinks"] .= "[<b>".html_entity_decode($subs[$n])."</b>]"; |
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} |
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} |
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// }}} |
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// {{{ create_anchors |
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// |
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// Create links out of http:// and mailto: tags |
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# TODO: the target="_blank" nonsense should be optional (or specified by the template) |
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function create_anchors($text) |
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{ |
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$ret = $text; |
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// Match correctly formed URLs that aren't already links |
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$ret = preg_replace("#\b(?<!href=\")([a-z]+?)://(\S*)([\w/]+)#i", |
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"<a href=\"\\1://\\2\\3\" target=\"_blank\">\\1://\\2\\3</a>", |
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$ret); |
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// Now match anything beginning with www, as long as it's not //www since they were matched above |
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$ret = preg_replace("#\b(?<!//)www\.(\S*)([\w/]+)#i", |
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"<a href=\"http://www.\\1\\2\" target=\"_blank\">www.\\1\\2</a>", |
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$ret); |
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// Match email addresses |
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$ret = preg_replace("#\b([\w\-_.]+)@([\w\-.]+)\b#i", |
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"<a href=\"mailto:\\1@\\2\">\\1@\\2</a>", |
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$ret); |
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return ($ret); |
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} |
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// }}} |
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// {{{ getFullURL |
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function getFullURL($loc) |
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{ |
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$protocol = 'http'; |
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if (isset($_SERVER["HTTPS"]) && (strtolower($_SERVER["HTTPS"]) != "off")) |
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{ |
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$protocol = "https"; |
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} |
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$port = ":".$_SERVER["SERVER_PORT"]; |
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if ((":80" == $port && "http" == $protocol) || |
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(":443" == $port && "https" == $protocol)) |
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{ |
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$port = ""; |
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} |
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if (isset($_SERVER["HTTP_HOST"])) |
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{ |
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$host = $_SERVER["HTTP_HOST"]; |
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} |
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else if (isset($_SERVER["SERVER_NAME"])) |
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{ |
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$host = $_SERVER["SERVER_NAME"].$port; |
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} |
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else if (isset($_SERVER["SERVER_ADDR"])) |
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{ |
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$host = $_SERVER["SERVER_ADDR"].$port; |
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} |
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else |
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{ |
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print "Unable to redirect"; |
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exit; |
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} |
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$url = $protocol . "://" . $host . $loc; |
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return $url; |
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} |
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// }}} |
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// {{{ hardspace |
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// |
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// Replace the spaces at the front of a line with hard spaces |
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# XXX: this is an unnecessary function; you can prevent whitespace from being |
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# trimmed via CSS (use the "white-space: pre;" properties). ~J |
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# in the meantime, here's an improved function (does nothing) |
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function hardspace($s) |
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{ |
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return '<code>' . expandTabs($s) . '</code>'; |
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} |
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// }}} |
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// {{{ expandTabs |
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/** |
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* Expands the tabs in a line that may or may not include HTML. |
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* |
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* Enscript generates code with HTML, so we need to take that into account. |
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* |
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* @param string $s Line of possibly HTML-encoded text to expand |
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* @param int $tabwidth Tab width, -1 to use repository's default, 0 to collapse |
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* all tabs. |
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* @return string The expanded line. |
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* @since 2.1 |
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*/ |
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function expandTabs($s, $tabwidth = -1) |
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{ |
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global $rep; |
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if ($tabwidth == -1) |
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$tabwidth = $rep->getExpandTabsBy(); |
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$pos = 0; |
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// Parse the string into chunks that are either 1 of: HTML tag, tab char, run of any other stuff |
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$chunks = preg_split("/((?:<.+?>)|(?:&.+?;)|(?:\t))/", $s, -1, PREG_SPLIT_DELIM_CAPTURE); |
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// Count the sizes of the chunks and replace tabs as we go |
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for ($i = 0; $i < count($chunks); $i++) |
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{ |
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# make sure we're not dealing with an empty string |
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if (empty($chunks[$i])) continue; |
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switch ($chunks[$i]{0}) |
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{ |
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case '<': // HTML tag : ignore its width by doing nothing |
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break; |
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case '&': // HTML entity: count its width as 1 char |
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$pos += 1; |
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break; |
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case "\t": // Tab char: replace it with a run of spaces between length tabwidth and 1 |
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$tabsize = $tabwidth - ($pos % $tabwidth); |
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$chunks[$i] = str_repeat(' ', $tabsize); |
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$pos += $tabsize; |
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break; |
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default: // Anything else: just keep track of its width |
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$pos += strlen($chunks[$i]); |
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break; |
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} |
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} |
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// Put the chunks back together and we've got the original line, detabbed. |
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return join('', $chunks); |
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} |
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// }}} |
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// {{{ datetimeFormatDuration |
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// |
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// Formats a duration of seconds for display. |
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// |
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// $seconds the number of seconds until something |
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// $nbsp true if spaces should be replaced by nbsp |
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// $skipSeconds true if seconds should be omitted |
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// |
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// return the formatted duration (e.g. @c "8h 6m 1s") |
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function datetimeFormatDuration($seconds, $nbsp = false, $skipSeconds = false) |
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{ |
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global $lang; |
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if ($seconds < 0) |
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{ |
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$seconds = -$seconds; |
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$neg = true; |
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} |
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else |
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$neg = false; |
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$qty = array(); |
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$qty[] = (int)($seconds / (60 * 60 * 24)); |
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$seconds %= 60 * 60 * 24; |
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$qty[] = (int)($seconds / (60 * 60)); |
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$seconds %= 60 * 60; |
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$qty[] = (int)($seconds / 60); |
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$qty[] = (int)($seconds % 60); |
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$text = ""; |
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$names = $lang["DAYLETTER"].$lang["HOURLETTER"].$lang["MINUTELETTER"]; |
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if (!$skipSeconds) $names .= $lang["SECONDLETTER"]; |
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$any = false; |
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for ($i = 0; $i < strlen($names); $i++) |
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// If a "higher valued" time slot had a value or this time slot |
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// has a value or this is the very last entry (i.e. all values |
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// are 0 and we still want to print seconds) |
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if ($any || $qty[$i] || $i == sizeof($qty) - 1) |
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{ |
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$any = true; |
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if ($i) |
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$text .= sprintf("%2d", $qty[$i]); |
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else |
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$text .= $qty[$i]; |
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$text .= "{$names{$i}} "; |
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} |
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$text = trim($text); |
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if ($neg) |
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$text = "-$text"; |
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return $nbsp ? str_replace(" ", " ", $text) : $text; |
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} |
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// }}} |
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// {{{ getParameterisedSelfUrl |
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// |
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// Get the relative URL (PHP_SELF) with GET and POST data |
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function getParameterisedSelfUrl($params = true) |
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{ |
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global $config; |
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$url = null; |
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if ($config->multiViews) |
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{ |
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// Get rid of the file's name |
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$url = preg_replace('/\.php/', '', $_SERVER['PHP_SELF'], 1); |
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} |
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else |
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{ |
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$url = basename($_SERVER['PHP_SELF']); |
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// Sometimes the .php isn't on the end. Damn strange... |
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if (strchr($url, '.') === false) |
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$url .= '.php'; |
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} |
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if ($params) |
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{ |
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$arr = $_GET + $_POST; |
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# XXX: the point of HTTP POST is that URIs have a set size limit, so POST |
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# data is typically too large to bother with; why include it? |
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$url .= '?'.htmlentities(http_build_query($arr)); |
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} |
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return $url; |
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} |
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// }}} |
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// {{{ getUserLanguage |
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function getUserLanguage() { |
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$languages = !empty($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : 'en'; |
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if (strpos($languages, ',') === false) return $languages; # only one specified |
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# split off the languages into an array of languages and q-values |
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$qvals = array(); |
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$langs = array(); |
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preg_match_all('#(\S+?)\s*(?:;q=([01](?:\.\d{1,3})?))?\s*,\s*#', $languages, $qvals, PREG_SET_ORDER); |
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foreach ($qvals as $q) { |
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$langs[] = array ( |
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$q[1], |
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floatval(!empty($q[2]) ? $q[2] : 1.0) |
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); |
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} |
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# XXX: now, we should loop through our available languages and choose an |
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# appropriate one for the user |
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# note that we shouldn't match the region unless we have a specific region |
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# to use (e.g. zh-CN vs. zh-TW) |
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# FIXME: see above; otherwise, this function doesn't really do anything |
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} |
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// }}} |
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?> |