+<<<<<<< HEAD
<?php\r
/**\r
* i18n class for Nucleus CMS\r
"portuguese_brazil" => "pt_Latn_BR"\r
);\r
}\r
+=======
+<?php
+/**
+ * i18n class for Nucleus CMS
+ * written by Takashi Sakamoto as of Feb 03, 2012
+ *
+ * This includes wrapper functions of iconv and mbstring
+ * for multibyte processing and includes parameters related to locale.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * (see nucleus/documentation/index.html#license for more info)
+ *
+ * @license http://nucleuscms.org/license.txt GNU General Public License
+ * @copyright Copyright (C) 2002-2011 The Nucleus Group
+ * @version $Id: i18n.php 1876 2012-06-17 07:33:00Z sakamocchi $
+ */
+class i18n
+{
+ static private $mode = FALSE;
+
+ static private $current_charset = '';
+ static private $current_language = '';
+ static private $current_script = '';
+ static private $current_region = '';
+
+ static private $locale_list = array();
+ static private $timezone = 'UTC';
+
+ static private $forced_charset = '';
+ static private $forced_language = '';
+ static private $forced_script = '';
+ static private $forced_region = '';
+
+ /**
+ * i18n::init
+ * Initializing i18n class
+ *
+ * @static
+ * @param string $charset character set
+ * @return boolean
+ */
+ static public function init($charset, $dir)
+ {
+ /* i18n is already initialized */
+ if ( self::$mode )
+ {
+ return TRUE;
+ }
+
+ /* make locale list in this Nucleus CMS */
+ if ( ($handle = opendir($dir)) === FALSE )
+ {
+ return FALSE;
+ }
+ while ($filename = readdir($handle))
+ {
+ if (preg_match("#^(.+_.+_.+)\.{$charset}\.php$#", $filename, $matches) )
+ {
+ if ( !in_array($matches[1], self::$locale_list) )
+ {
+ self::$locale_list[] = $matches[1];
+ }
+ }
+ }
+ closedir($handle);
+
+ /* set i18n backend and validate character set */
+ if ( extension_loaded('iconv') )
+ {
+ /* this is just for checking the charset. */
+ if ( iconv_set_encoding('internal_encoding', $charset)
+ && iconv_set_encoding('output_encoding', $charset)
+ && iconv_set_encoding('internal_encoding', $charset) )
+ {
+ self::$current_charset = $charset;
+ self::$mode = 'iconv';
+ }
+ }
+ else if ( extension_loaded('mbstring') )
+ {
+ /* this is just for checking the charset. */
+ if ( mb_http_output($charset)
+ && mb_internal_encoding($charset)
+ && mb_regex_encoding($charset) )
+ {
+ self::$current_charset = $charset;
+ self::$mode = 'mbstring';
+ }
+ }
+
+ return TRUE;
+ }
+
+ /**
+ * i18n::get_available_locale_list
+ * return available locale list with current charset
+ *
+ * @static
+ * @param void
+ * @return array available locale list
+ */
+ static public function get_available_locale_list()
+ {
+ return self::$locale_list;
+ }
+
+ /**
+ * i18n::get_current_charset
+ * return current charset
+ *
+ * @static
+ * @param void
+ * @return string $charset current character set
+ */
+ static public function get_current_charset()
+ {
+ return self::$current_charset;
+ }
+
+ /**
+ * i18n::set_locale
+ * Set current locale
+ *
+ * NOTE:
+ * naming rule is "$language_$script_$region.$charset.php", refer to RFC 5646.
+ * @link http://www.ietf.org/rfc/rfc5646.txt
+ * @see 2. The Language Tag
+ *
+ * @static
+ * @param string $locale
+ * @return bool TRUE/FALSE
+ *
+ */
+ static public function set_current_locale($locale)
+ {
+ if ( preg_match('#^(.+)_(.+)_(.+)$#', $locale, $match) )
+ {
+ self::$current_language = $match[1];
+ self::$current_script = $match[2];
+ self::$current_region = $match[3];
+ return TRUE;
+ }
+ return FALSE;
+ }
+
+ /**
+ * i18n::get_locale
+ * Get current locale
+ *
+ * @static
+ * @param void
+ * @return $locale
+ */
+ static public function get_current_locale()
+ {
+ $elements = array(self::$current_language, self::$current_script, self::$current_region);
+ return implode('_', $elements);
+ }
+
+ /**
+ * i18n::set_forced_locale()
+ * Set forced locale
+ *
+ * @static
+ * @param string $forced_locale
+ * @return bool TRUE/FALSE
+ *
+ */
+ static public function set_forced_locale($forced_locale)
+ {
+ if ( preg_match('#^(.+)_(.+)_(.+)$#', $forced_locale, $match) )
+ {
+ self::$forced_language = $match[1];
+ self::$forced_script = $match[2];
+ self::$forced_region = $match[3];
+ return TRUE;
+ }
+ return FALSE;
+ }
+
+ /**
+ * i18n::get_forced_locale
+ * Get forced locale
+ *
+ * @static
+ * @param void
+ * @return $forced_locale
+ */
+ static public function get_forced_locale()
+ {
+ if ( !self::$forced_language )
+ {
+ return '';
+ }
+
+ $elements = array(self::$forced_language, self::$forced_script, self::$forced_region);
+ return implode('_', $elements);
+ }
+
+ /**
+ * i18n::set_forced_charset
+ * return forced charset
+ *
+ * @static
+ * @param void $charset forced character set
+ * @return void
+ */
+ static public function set_forced_charset($forced_charset)
+ {
+ self::$forced_charset = $forced_charset;
+ return;
+ }
+
+ /**
+ * i18n::get_forced_charset
+ * return forced charset
+ *
+ * @static
+ * @param void
+ * @return string $charset forced character set
+ */
+ static public function get_forced_charset()
+ {
+ return self::$forced_charset;
+ }
+
+ /**
+ * i18n::confirm_default_date_timezone
+ * to avoid E_NOTICE or E_WARNING generated when every calling to a date/time function.
+ *
+ * NOTE:
+ * Some private servers are lack of its timezone setting
+ * http://www.php.net/manual/en/function.date-default-timezone-set.php
+ *
+ * @static
+ * @param void
+ * @return void
+ */
+ static public function confirm_default_date_timezone()
+ {
+ if ( function_exists('date_default_timezone_get')
+ && FALSE !== ($timezone = @date_default_timezone_get()))
+ {
+ self::$timezone = $timezone;
+ }
+ if (function_exists('date_default_timezone_set')) {
+ @date_default_timezone_set(self::$timezone);
+ }
+ return;
+ }
+
+ /**
+ * i18n::get_current_date_timezone()
+ * get current timezone
+ *
+ * @static
+ * @param void
+ * @return $timezone
+ */
+ static public function get_date_timezone()
+ {
+ return self::$timezone;
+ }
+
+ /**
+ * i18n::convert
+ * character set converter
+ *
+ * @static
+ * @param string $string target string binary
+ * @param string $from original character set encoding
+ * @param string $to target character set encoding
+ * @return string converted string
+ */
+ static public function convert($string, $from, $to='')
+ {
+ if ( $to == '' )
+ {
+ $to = self::$current_charset;
+ }
+
+ if ( $from == $to )
+ {
+ /* do nothing */
+ }
+ else if ( self::$mode == 'iconv' )
+ {
+ $string = iconv($from, $to.'//TRANSLIT', $string);
+ }
+ else if ( self::$mode == 'mbstring' )
+ {
+ $string = mb_convert_encoding($string, $to, $from);
+ }
+ return (string) $string;
+ }
+
+ /**
+ * i18n::convert_handler
+ * callable handler for character set converter
+ *
+ * @static
+ * @param string $string target string binary
+ * @return void
+ */
+ static public function convert_handler($string)
+ {
+ return self::convert($string, self::$current_charset, self::$forced_charset);
+ }
+
+ /**
+ * i18n::convert_array
+ * recursively converting array
+ *
+ * @static
+ * @param array $array array to convert
+ * @return void
+ */
+ static public function convert_array($array, $from, $to='')
+ {
+ if ( !is_array($array) )
+ {
+ $array = self::convert($array, $from, $to);
+ }
+ else
+ {
+ foreach ( $array as $key => $value )
+ {
+ if ( !is_array($value) )
+ {
+ $array[$key] = self::convert($value, $from, $to);
+ }
+ else
+ {
+ self::convert_array($array[$key]);
+ }
+ }
+ }
+
+ return $array;
+ }
+
+ /**
+ * i18n::strlen
+ * strlen wrapper
+ *
+ * @static
+ * @param string $string target string
+ * @return integer the number of letters
+ */
+ static public function strlen($string)
+ {
+ $length = 0;
+ if ( self::$mode == 'iconv' )
+ {
+ $length = iconv_strlen($string, self::$current_charset);
+ }
+ else if ( self::$mode == 'mbstring' )
+ {
+ $length = mb_strlen($string, self::$current_charset);
+ }
+ else
+ {
+ $length = strlen($string);
+ }
+ return (integer) $length;
+ }
+
+ /**
+ * i18n::strpos
+ * strpos wrapper
+ *
+ * @static
+ * @param string $haystack string to search
+ * @param string $needle string for search
+ * @param integer $offset the position from which the search should be performed.
+ * @return integer/FALSE the numeric position of the first occurrence of needle in haystack
+ */
+ static public function strpos($haystack, $needle, $offset=0)
+ {
+ $position = 0;
+ if ( self::$mode == 'iconv' )
+ {
+ $position = iconv_strpos($haystack, $needle, $offset, self::$current_charset);
+ }
+ else if ( self::$mode == 'mbstring' )
+ {
+ $position = mb_strpos($haystack, $needle, $offset, self::$current_charset);
+ }
+ else
+ {
+ $position = strpos($haystack, $needle, $offset);
+ }
+
+ if ( $position !== FALSE)
+ {
+ $position = (integer) $position;
+ }
+ return $position;
+ }
+
+ /**
+ * i18n::strrpos
+ * strrpos wrapper
+ *
+ * @static
+ * @param string $haystack string to search
+ * @param string $needle string for search
+ * @return integer/FALSE the numeric position of the last occurrence of needle in haystack
+ */
+ static public function strrpos ($haystack, $needle)
+ {
+ $position = 0;
+ if ( self::$mode == 'iconv' )
+ {
+ $position = iconv_strrpos($haystack, $needle, self::$current_charset);
+ }
+ else if ( self::$mode == 'mbstring' )
+ {
+ $position = mb_strrpos($haystack, $needle, 0, self::$current_charset);
+ }
+ else
+ {
+ $position = strrpos($haystack, $needle, 0);
+ }
+
+ if ( $position !== FALSE)
+ {
+ $position = (integer) $position;
+ }
+ return $position;
+ }
+
+ /**
+ * i18n::substr
+ * substr wrapper
+ *
+ * @static
+ * @param string $string string to be cut
+ * @param string $start the position of starting
+ * @param integer $length the length to be cut
+ * @return string the extracted part of string
+ */
+ static public function substr($string, $start, $length=0)
+ {
+ $return = '';
+
+ if ( $length == 0 )
+ {
+ $length = self::strlen($string) - $start;
+ }
+
+ if ( self::$mode == 'iconv' )
+ {
+ $return = iconv_substr($string, $start, $length, self::$current_charset);
+ }
+ else if ( self::$mode == 'mbstring' )
+ {
+ $return = mb_substr($string, $start, $length, self::$current_charset);
+ }
+ else
+ {
+ $return = strrpos($string, $start, $length);
+ }
+ return (string) $return;
+ }
+
+ /**
+ * i18n::strftime
+ * strftime function based on multibyte processing
+ *
+ * @static
+ * @param string $format format with singlebyte or multibyte
+ * @param timestamp $timestamp UNIX timestamp
+ * @return string formatted timestamp
+ */
+ static public function strftime($format, $timestamp='')
+ {
+ return preg_replace_callback('/(%[a-z%])/i',
+ create_function('$matches', 'return strftime($matches[1], ' . intval($timestamp) . ');'),
+ $format
+ );
+ }
+
+ /**
+ * i18n::formatted_datetime()
+ * return formatted datetime string
+ *
+ * Date and Time Formats
+ * @link http://www.w3.org/TR/NOTE-datetime
+ *
+ * Working with Time Zones
+ * @link http://www.w3.org/TR/timezone/
+ *
+ * @param String $format time expression format
+ * @param String $timestamp UNIX timestamp
+ * @param Integer $offset timestamp offset
+ * @return String formatted datetime
+ */
+ static public function formatted_datetime($format, $timestamp, $offset=0)
+ {
+ $suffix = '';
+ $string = '';
+
+ switch ( $format )
+ {
+ case 'mysql':
+ /*
+ * MySQL 5.0 Reference Manual
+ * 10.3.1. The DATE, DATETIME, and TIMESTAMP Types
+ * http://dev.mysql.com/doc/refman/5.0/en/datetime.html
+ */
+ $timestamp += $offset;
+ $format = '%Y-%m-%d %H:%M:%S';
+ $suffix ='';
+ break;
+
+ case 'rfc822':
+ /*
+ * RFC 822: STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES
+ * 5. DATE AND TIME SPECIFICATION
+ * http://www.ietf.org/rfc/rfc0822.txt
+ */
+ $format = '%a, %d %m %y %H:%M:%S ';
+ if ( $offset < 0 )
+ {
+ $suffix = '-';
+ $offset = -$offset;
+ }
+ else
+ {
+ $suffix = '+';
+ }
+
+ $suffix .= sprintf("%02d%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
+ break;
+ case 'rfc822GMT':
+ /*
+ * RFC 822: STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES
+ * 5. DATE AND TIME SPECIFICATION
+ * http://www.ietf.org/rfc/rfc0822.txt
+ */
+ $format = '%a, %d %m %y %H:%M:%S ';
+ $timestamp -= $offset;
+ $suffix = 'GMT';
+ break;
+ case 'iso8601':
+ case 'rfc3339':
+ /*
+ * RFC3339: Date and Time on the Internet: Timestamps
+ * 5. Date and Time format
+ * http://www.ietf.org/rfc/rfc3339.txt
+ */
+ $format = '%Y-%m-%dT%H:%M:%S';
+ if ( $offset < 0 )
+ {
+ $suffix = '-';
+ $offset = -$offset;
+ }
+ else
+ {
+ $suffix = '+';
+ }
+ $suffix .= sprintf("%02d:%02d", floor($offset / 3600), round(($offset % 3600) / 60) );
+ break;
+ case 'utc':
+ case 'iso8601UTC':
+ case 'rfc3339UTC':
+ /*
+ * RFC3339: Date and Time on the Internet: Timestamps
+ * 5. Date and Time format
+ * http://www.ietf.org/rfc/rfc3339.txt
+ */
+ $timestamp -= $offset;
+ $format = '%Y-%m-%dT%H:%M:%SZ';
+ $suffix = '';
+ break;
+ case '':
+ $format = '%X %x';
+ $offset = '';
+ break;
+ default:
+ $suffix = '';
+ break;
+ }
+ return i18n::strftime($format, $timestamp) . $suffix;
+ }
+
+ /**
+ * i18n::convert_locale_to_old_language_file_name()
+ * NOTE: this should be obsoleted near future.
+ *
+ * @static
+ * @param string $target_locale locale name as language_script_region
+ * @return string old translation file name
+ */
+ static public function convert_locale_to_old_language_file_name($target_locale)
+ {
+ $target_language = '';
+ foreach ( self::$lang_refs as $language => $locale )
+ {
+ if ( preg_match('#-#', $language) )
+ {
+ if ( $target_locale . '.' . self::$current_charset == $locale )
+ {
+ $target_language = $language;
+ break;
+ }
+ }
+ else if ( $target_locale == $locale )
+ {
+ $target_language = $language;
+ }
+ }
+ return $target_language;
+ }
+
+ /**
+ * i18n::convert_old_language_file_name_to_locale()
+ * NOTE: this should be obsoleted near future.
+ *
+ * @static
+ * @param string $target_language old translation file name
+ * @return string locale name as language_script_region
+ */
+ static public function convert_old_language_file_name_to_locale($target_language)
+ {
+ $target_locale = '';
+ foreach ( self::$lang_refs as $language => $locale )
+ {
+ if ( $target_language == $language )
+ {
+ if ( preg_match('#^(.+)\.(.+)$#', $locale, $match) )
+ {
+ $target_locale = $match[1];
+ }
+ else
+ {
+ $target_locale = $locale;
+ }
+ break;
+ }
+ }
+ return $target_locale;
+ }
+
+ /**
+ * i18n::$lang_refs
+ * reference table to convert old and new way to name translation files.
+ * NOTE: this should be obsoleted as soon as possible.
+ *
+ * @static
+ */
+ static private $lang_refs = array(
+ "english" => "en_Latn_US",
+ "english-utf8" => "en_Latn_US.UTF-8",
+ "bulgarian" => "bg_Cyrl_BG",
+ "finnish" => "fi_Latn_FI",
+ "catalan" => "ca_Latn_ES",
+ "french" => "fr_Latn_FR",
+ "russian" => "ru_Cyrl_RU",
+ "chinese" => "zh_Hans_CN",
+ "simchinese" => "zh_Hans_CN",
+ "chineseb5" => "zh_Hant_TW",
+ "traditional_chinese" => "zh_Hant_TW",
+ "galego" => "gl_Latn_ES",
+ "german" => "de_Latn_DE",
+ "korean-utf" => "ko_Kore_KR.UTF-8",
+ "korean-euc-kr" => "ko_Kore_KR.EUC-KR",
+ "slovak" => "sk_Latn_SK",
+ "czech" => "cs_Latn_CZ",
+ "hungarian" => "hu_Latn_HU",
+ "latvian" => "lv_Latn_LV",
+ "nederlands" => "nl_Latn_NL",
+ "italiano" => "it_Latn_IT",
+ "persian" => "fa_Arab_IR",
+ "spanish" => "es_Latn_ES",
+ "spanish-utf8" => "es_Latn_ES.UTF-8",
+ "japanese-euc" => "ja_Jpan_JP.EUC-JP",
+ "japanese-utf8" => "ja_Jpan_JP.UTF-8",
+ "portuguese_brazil" => "pt_Latn_BR"
+ );
+}
+>>>>>>> skinnable-master
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