diff options
| author | wei <> | 2006-01-06 04:42:44 +0000 |
|---|---|---|
| committer | wei <> | 2006-01-06 04:42:44 +0000 |
| commit | 4835704a04cf5aa5ec71a8aef902d54b9c6cae82 (patch) | |
| tree | 39623c082a78db1b3569a12ab54aa751d376af21 /framework/I18N/core/HTTPNegotiator.php | |
| parent | 673d5c08a4d27906864659def27c7783fe45c04f (diff) | |
Adding I18N support.
Diffstat (limited to 'framework/I18N/core/HTTPNegotiator.php')
| -rw-r--r-- | framework/I18N/core/HTTPNegotiator.php | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/framework/I18N/core/HTTPNegotiator.php b/framework/I18N/core/HTTPNegotiator.php new file mode 100644 index 00000000..d9158969 --- /dev/null +++ b/framework/I18N/core/HTTPNegotiator.php @@ -0,0 +1,125 @@ +<?php
+
+/**
+ * HTTPNegotiator class 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 Qiang Xue. All rights reserved.
+ *
+ * To contact the author write to {@link mailto:qiang.xue@gmail.com Qiang Xue}
+ * The latest version of PRADO can be obtained from:
+ * {@link http://prado.sourceforge.net/}
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: 1.2 $ $Date: 2005/01/05 03:15:14 $
+ * @package System.I18N.core
+ */
+
+/**
+ * Include the CultureInfo class.
+ */
+require_once(dirname(__FILE__).'/CultureInfo.php');
+
+/**
+ * HTTPNegotiator class.
+ *
+ * Get the language and charset information from the client browser.
+ *
+ * @author Xiang Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version v1.0, last update on Fri Dec 24 16:01:35 EST 2004
+ * @package System.I18N.core
+ */
+class HTTPNegotiator
+{
+ /**
+ * A list of languages accepted by the browser.
+ * @var array
+ */
+ protected $languages;
+
+ /**
+ * A list of charsets accepted by the browser
+ * @var array
+ */
+ protected $charsets;
+
+ /**
+ * Get a list of languages acceptable by the client browser
+ * @return array languages ordered in the user browser preferences.
+ */
+ function getLanguages()
+ {
+ if(!is_null($this->languages))
+ return $this->languages;
+
+ $this->languages = array();
+
+ if (!isset($_SERVER['HTTP_ACCEPT_LANGUAGE']))
+ return $this->languages;
+
+ //$basedir = CultureInfo::dataDir();
+ //$ext = CultureInfo::fileExt();
+
+ foreach(explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']) as $lang)
+ {
+ // Cut off any q-value that might come after a semi-colon
+ if ($pos = strpos($lang, ';'))
+ $lang = trim(substr($lang, 0, $pos));
+
+ if (strstr($lang, '-'))
+ {
+ $codes = explode('-',$lang);
+ if($codes[0] == 'i')
+ {
+ // Language not listed in ISO 639 that are not variants
+ // of any listed language, which can be registerd with the
+ // i-prefix, such as i-cherokee
+ if(count($codes)>1)
+ $lang = $codes[1];
+ }
+ else
+ {
+ for($i = 0; $i<count($codes); $i++)
+ {
+ if($i == 0)
+ $lang = strtolower($codes[0]);
+ else
+ $lang .= '_'.strtoupper($codes[$i]);
+ }
+ }
+ }
+
+ if(CultureInfo::validCulture($lang))
+ $this->languages[] = $lang;
+ }
+
+ return $this->languages;
+ }
+
+ /**
+ * Get a list of charsets acceptable by the client browser.
+ * @return array list of charsets in preferable order.
+ */
+ function getCharsets()
+ {
+ if(!is_null($this->charsets))
+ return $this->charsets;
+
+ $this->charsets = array();
+
+ if (!isset($_SERVER['HTTP_ACCEPT_CHARSET']))
+ return $this->charsets;
+
+ foreach (explode(',', $_SERVER['HTTP_ACCEPT_CHARSET']) as $charset)
+ {
+ if (!empty($charset))
+ $this->charsets[] = preg_replace('/;.*/', '', $charset);
+ }
+
+ return $this->charsets;
+ }
+}
+
+?>
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