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Chris Sewell
177
lib/symfony/i18n/util.php
Executable file
177
lib/symfony/i18n/util.php
Executable file
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<?php
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/**
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* I18N Utility file.
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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 BSD License.
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*
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* Copyright(c) 2004 by Wei Zhuo. All rights reserved.
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*
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* To contact the author write to <weizhuo[at]gmail[dot]com>
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* The latest version of PRADO can be obtained from:
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* {@link http://prado.sourceforge.net/}
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*
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* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
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* @version $Id: util.php 2757 2006-11-18 10:11:00Z fabien $
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* @package symfony
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* @subpackage i18n
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*/
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/**
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* For a given DSN (database connection string), return some information
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* about the DSN. This function comes from PEAR's DB package.
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* @param string DSN format, similar to PEAR's DB
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* @return array DSN information.
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*/
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function parseDSN($dsn)
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{
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if (is_array($dsn)) {
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return $dsn;
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}
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$parsed = array(
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'phptype' => false,
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'dbsyntax' => false,
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'username' => false,
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'password' => false,
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'protocol' => false,
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'hostspec' => false,
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'port' => false,
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'socket' => false,
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'database' => false
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);
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// Find phptype and dbsyntax
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if (($pos = strpos($dsn, '://')) !== false) {
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$str = substr($dsn, 0, $pos);
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$dsn = substr($dsn, $pos + 3);
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} else {
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$str = $dsn;
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$dsn = NULL;
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}
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// Get phptype and dbsyntax
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// $str => phptype(dbsyntax)
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if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) {
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$parsed['phptype'] = $arr[1];
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$parsed['dbsyntax'] = (empty($arr[2])) ? $arr[1] : $arr[2];
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} else {
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$parsed['phptype'] = $str;
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$parsed['dbsyntax'] = $str;
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}
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if (empty($dsn)) {
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return $parsed;
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}
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// Get (if found): username and password
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// $dsn => username:password@protocol+hostspec/database
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if (($at = strrpos($dsn,'@')) !== false) {
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$str = substr($dsn, 0, $at);
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$dsn = substr($dsn, $at + 1);
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if (($pos = strpos($str, ':')) !== false) {
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$parsed['username'] = rawurldecode(substr($str, 0, $pos));
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$parsed['password'] = rawurldecode(substr($str, $pos + 1));
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} else {
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$parsed['username'] = rawurldecode($str);
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}
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}
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// Find protocol and hostspec
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// $dsn => proto(proto_opts)/database
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if (preg_match('|^([^(]+)\((.*?)\)/?(.*?)$|', $dsn, $match)) {
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$proto = $match[1];
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$proto_opts = (!empty($match[2])) ? $match[2] : false;
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$dsn = $match[3];
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// $dsn => protocol+hostspec/database (old format)
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} else {
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if (strpos($dsn, '+') !== false) {
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list($proto, $dsn) = explode('+', $dsn, 2);
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}
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if (strpos($dsn, '/') !== false) {
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list($proto_opts, $dsn) = explode('/', $dsn, 2);
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} else {
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$proto_opts = $dsn;
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$dsn = null;
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}
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}
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// process the different protocol options
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$parsed['protocol'] = (!empty($proto)) ? $proto : 'tcp';
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$proto_opts = rawurldecode($proto_opts);
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if ($parsed['protocol'] == 'tcp') {
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if (strpos($proto_opts, ':') !== false) {
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list($parsed['hostspec'], $parsed['port']) = explode(':', $proto_opts);
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} else {
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$parsed['hostspec'] = $proto_opts;
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}
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} elseif ($parsed['protocol'] == 'unix') {
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$parsed['socket'] = $proto_opts;
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}
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// Get dabase if any
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// $dsn => database
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if (!empty($dsn)) {
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// /database
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if (($pos = strpos($dsn, '?')) === false) {
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$parsed['database'] = $dsn;
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// /database?param1=value1¶m2=value2
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} else {
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$parsed['database'] = substr($dsn, 0, $pos);
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$dsn = substr($dsn, $pos + 1);
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if (strpos($dsn, '&') !== false) {
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$opts = explode('&', $dsn);
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} else { // database?param1=value1
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$opts = array($dsn);
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}
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foreach ($opts as $opt) {
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list($key, $value) = explode('=', $opt);
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if (!isset($parsed[$key])) { // don't allow params overwrite
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$parsed[$key] = rawurldecode($value);
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}
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}
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}
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}
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return $parsed;
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}
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/**
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* Convert strings to UTF-8 via iconv. NB, the result may not by UTF-8
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* if the conversion failed.
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* @param string string to convert to UTF-8
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* @return string UTF-8 encoded string, original string if iconv failed.
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*/
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function I18N_toUTF8($string, $from)
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{
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$from = strtoupper($from);
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if ($from != 'UTF-8')
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{
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$s = iconv($from,'UTF-8',$string); //to UTF-8
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return $s !== false ? $s : $string; //it could return false
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}
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return $string;
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}
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/**
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* Convert UTF-8 strings to a different encoding. NB. The result
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* may not have been encoded if iconv fails.
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* @param string the UTF-8 string for conversion
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* @return string encoded string.
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*/
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function I18N_toEncoding($string, $to)
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{
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$to = strtoupper($to);
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if ($to != 'UTF-8')
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{
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$s = iconv('UTF-8', $to, $string);
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return $s !== false ? $s : $string;
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}
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return $string;
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}
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