diff options
Diffstat (limited to 'framework/I18N/core/util.php')
| -rw-r--r-- | framework/I18N/core/util.php | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/framework/I18N/core/util.php b/framework/I18N/core/util.php new file mode 100644 index 00000000..346c6bd4 --- /dev/null +++ b/framework/I18N/core/util.php @@ -0,0 +1,175 @@ +<?php
+
+/**
+ * I18N Utility file.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the BSD License.
+ *
+ * Copyright(c) 2004 by Wei Zhuo. All rights reserved.
+ *
+ * To contact the author write to <weizhuo[at]gmail[dot]com>
+ * The latest version of PRADO can be obtained from:
+ * {@link http://prado.sourceforge.net/}
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: 1.3 $ $Date: 2005/08/27 03:21:12 $
+ * @package System.I18N.core
+ */
+
+
+ /**
+ * For a given DSN (database connection string), return some information
+ * about the DSN. This function comes from PEAR's DB package.
+ * @param string DSN format, similar to PEAR's DB
+ * @return array DSN information.
+ */
+ function parseDSN($dsn)
+ {
+ if (is_array($dsn)) {
+ return $dsn;
+ }
+
+ $parsed = array(
+ 'phptype' => false,
+ 'dbsyntax' => false,
+ 'username' => false,
+ 'password' => false,
+ 'protocol' => false,
+ 'hostspec' => false,
+ 'port' => false,
+ 'socket' => false,
+ 'database' => false
+ );
+
+ // Find phptype and dbsyntax
+ if (($pos = strpos($dsn, '://')) !== false) {
+ $str = substr($dsn, 0, $pos);
+ $dsn = substr($dsn, $pos + 3);
+ } else {
+ $str = $dsn;
+ $dsn = NULL;
+ }
+
+ // Get phptype and dbsyntax
+ // $str => phptype(dbsyntax)
+ if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) {
+ $parsed['phptype'] = $arr[1];
+ $parsed['dbsyntax'] = (empty($arr[2])) ? $arr[1] : $arr[2];
+ } else {
+ $parsed['phptype'] = $str;
+ $parsed['dbsyntax'] = $str;
+ }
+
+ if (empty($dsn)) {
+ return $parsed;
+ }
+
+ // Get (if found): username and password
+ // $dsn => username:password@protocol+hostspec/database
+ if (($at = strrpos($dsn,'@')) !== false) {
+ $str = substr($dsn, 0, $at);
+ $dsn = substr($dsn, $at + 1);
+ if (($pos = strpos($str, ':')) !== false) {
+ $parsed['username'] = rawurldecode(substr($str, 0, $pos));
+ $parsed['password'] = rawurldecode(substr($str, $pos + 1));
+ } else {
+ $parsed['username'] = rawurldecode($str);
+ }
+ }
+
+ // Find protocol and hostspec
+
+ // $dsn => proto(proto_opts)/database
+ if (preg_match('|^([^(]+)\((.*?)\)/?(.*?)$|', $dsn, $match)) {
+ $proto = $match[1];
+ $proto_opts = (!empty($match[2])) ? $match[2] : false;
+ $dsn = $match[3];
+
+ // $dsn => protocol+hostspec/database (old format)
+ } else {
+ if (strpos($dsn, '+') !== false) {
+ list($proto, $dsn) = explode('+', $dsn, 2);
+ }
+ if (strpos($dsn, '/') !== false) {
+ list($proto_opts, $dsn) = explode('/', $dsn, 2);
+ } else {
+ $proto_opts = $dsn;
+ $dsn = null;
+ }
+ }
+
+ // process the different protocol options
+ $parsed['protocol'] = (!empty($proto)) ? $proto : 'tcp';
+ $proto_opts = rawurldecode($proto_opts);
+ if ($parsed['protocol'] == 'tcp') {
+ if (strpos($proto_opts, ':') !== false) {
+ list($parsed['hostspec'], $parsed['port']) = explode(':', $proto_opts);
+ } else {
+ $parsed['hostspec'] = $proto_opts;
+ }
+ } elseif ($parsed['protocol'] == 'unix') {
+ $parsed['socket'] = $proto_opts;
+ }
+
+ // Get dabase if any
+ // $dsn => database
+ if (!empty($dsn)) {
+ // /database
+ if (($pos = strpos($dsn, '?')) === false) {
+ $parsed['database'] = $dsn;
+ // /database?param1=value1¶m2=value2
+ } else {
+ $parsed['database'] = substr($dsn, 0, $pos);
+ $dsn = substr($dsn, $pos + 1);
+ if (strpos($dsn, '&') !== false) {
+ $opts = explode('&', $dsn);
+ } else { // database?param1=value1
+ $opts = array($dsn);
+ }
+ foreach ($opts as $opt) {
+ list($key, $value) = explode('=', $opt);
+ if (!isset($parsed[$key])) { // don't allow params overwrite
+ $parsed[$key] = rawurldecode($value);
+ }
+ }
+ }
+ }
+
+ return $parsed;
+ }
+
+
+ /**
+ * Convert strings to UTF-8 via iconv. NB, the result may not by UTF-8
+ * if the conversion failed.
+ * @param string string to convert to UTF-8
+ * @return string UTF-8 encoded string, original string if iconv failed.
+ */
+ function I18N_toUTF8($string, $from)
+ {
+ if($from != 'UTF-8')
+ {
+ $s = iconv($from,'UTF-8',$string); //to UTF-8
+ return $s !== false ? $s : $string; //it could return false
+ }
+ return $string;
+ }
+
+ /**
+ * Convert UTF-8 strings to a different encoding. NB. The result
+ * may not have been encoded if iconv fails.
+ * @param string the UTF-8 string for conversion
+ * @return string encoded string.
+ */
+ function I18N_toEncoding($string, $to)
+ {
+ if($to != 'UTF-8')
+ {
+ $s = iconv('UTF-8', $to, $string);
+ return $s !== false ? $s : $string;
+ }
+ return $string;
+ }
+
+?>
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