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| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/Translation2/Container.php |
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Contains the Translation2_Container base class
*
* PHP versions 4 and 5
*
* LICENSE: Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Internationalization
* @package Translation2
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2004-2005 Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version CVS: $Id: Container.php 305985 2010-12-05 22:55:33Z clockwerx $
* @link http://pear.php.net/package/Translation2
*/
/**
* Base class for Translation2 drivers/containers
*
* Extend this class to provide custom containers.
* Some containers are already bundled with the package.
*
* @category Internationalization
* @package Translation2
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2004-2005 Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @link http://pear.php.net/package/Translation2
*/
class Translation2_Container
{
// {{{ Class vars
/**
* Additional options for the storage container
* @var array
*/
var $options = array();
/**
* @var array
* @access private
*/
var $currentLang = array();
/**
* @var array
* @access private
*/
var $langs = array();
// }}}
// {{{ Constructor
/**
* Constructor
* Has to be overwritten by each storage class
*
* @access public
*/
function Translation2_Container()
{
}
// }}}
// {{{ _parseOptions()
/**
* Parse options passed to the container class
*
* @param array $array options
*
* @return void
* @access protected
*/
function _parseOptions($array)
{
if (!is_array($array)) {
return;
}
foreach ($array as $key => $value) {
if (isset($this->options[$key])) {
$this->options[$key] = $value;
}
}
}
// }}}
// {{{ _getLangID()
/**
* Get a valid langID or raise an error when no valid language is set
*
* @param string $langID language ID
*
* @return string language ID or PEAR_Error on error
* @access private
*/
function _getLangID($langID)
{
if (!empty($langID) || (0 === $langID)) {
return $langID;
}
if (!empty($this->currentLang['id']) || (0 === $this->currentLang['id'])) {
return $this->currentLang['id'];
}
$msg = 'No valid language set. Use Translation2::setLang().';
return $this->raiseError($msg, TRANSLATION2_ERROR_UNKNOWN_LANG);
}
// }}}
// {{{ setCharset()
/**
* Set charset used to read/store the translations
*
* @param string $charset character set (encoding)
*
* @return PEAR_Error on error
*/
function setCharset($charset)
{
if (method_exists($this->storage, 'setCharset')) {
return $this->storage->setCharset($charset);
}
return $this->raiseError(TRANSLATION2_ERROR_UNSUPPORTED, null, null,
'method not implemented', __FUNCTION__);
}
// }}}
// {{{ setLang()
/**
* Sets the current language
*
* @param string $langID language ID
*
* @return array|PEAR_Error language information
*/
function setLang($langID)
{
$res = $this->getLangs(); //load available languages, if not loaded yet
if (PEAR::isError($res)) {
return $res;
}
if (!array_key_exists($langID, $this->langs)) {
return $this->raiseError('unknown language: "'.$langID.'"',
TRANSLATION2_ERROR_UNKNOWN_LANG,
PEAR_ERROR_RETURN,
E_USER_WARNING);
}
$this->currentLang = $this->langs[$langID];
return $this->langs[$langID];
}
// }}}
// {{{ getLang()
/**
* Gets the current lang
*
* @param string $format what must be returned
*
* @return mixed array with current lang data or null if not set yet
*/
function getLang($format = 'id')
{
return isset($this->currentLang['id']) ? $this->currentLang : null;
}
// }}}
// {{{ getLangData()
/**
* Gets the array data for the lang
*
* @param string $langID language ID
* @param string $format what must be returned
*
* @return mixed array with lang data or null if not available
*/
function getLangData($langID, $format = 'id')
{
$langs = $this->getLangs('array');
return isset($langs[$langID]) ? $langs[$langID] : null;
}
// }}}
// {{{ getLangs()
/**
* Gets the available languages
*
* @param string $format ['array' | 'ids' | 'names' | 'encodings']
*
* @return array|PEAR_Error
*/
function getLangs($format = 'array')
{
//if not cached yet, fetch langs data from the container
if (empty($this->langs) || !count($this->langs)) {
$res = $this->fetchLangs(); //container-specific method
if (PEAR::isError($res)) {
return $res;
}
}
$tmp = array();
switch ($format) {
case 'array':
foreach ($this->langs as $aLang) {
$aLang['lang_id'] = $aLang['id'];
$tmp[$aLang['id']] = $aLang;
}
break;
case 'id':
case 'ids':
foreach ($this->langs as $aLang) {
$tmp[] = $aLang['id'];
}
break;
case 'encoding':
case 'encodings':
foreach ($this->langs as $aLang) {
$tmp[] = $aLang['encoding'];
}
break;
case 'name':
case 'names':
default:
foreach ($this->langs as $aLang) {
$tmp[$aLang['id']] = $aLang['name'];
}
}
return $tmp;
}
// }}}
// {{{ fetchLangs()
/**
* Fetch the available langs if they're not cached yet.
* Containers should implement this method.
*
* @return PEAR_Error on error
*/
function fetchLangs()
{
return $this->raiseError('method "fetchLangs" not supported',
TRANSLATION_ERROR_METHOD_NOT_SUPPORTED);
}
// }}}
// {{{ getPage()
/**
* Returns an array of the strings in the selected page
* Containers should implement this method.
*
* @param string $pageID page/group ID
* @param string $langID language ID
*
* @return array
*/
function getPage($pageID = null, $langID = null)
{
return $this->raiseError('method "getPage" not supported',
TRANSLATION_ERROR_METHOD_NOT_SUPPORTED);
}
// }}}
// {{{ getOne()
/**
* Get a single item from the container, without caching the whole page
* Containers should implement this method.
*
* @param string $stringID string ID
* @param string $pageID page/group ID
* @param string $langID language ID
*
* @return string
*/
function getOne($stringID, $pageID = null, $langID = null)
{
return $this->raiseError('method "getOne" not supported',
TRANSLATION_ERROR_METHOD_NOT_SUPPORTED);
}
// }}}
// {{{ getStringID()
/**
* Get the stringID for the given string
*
* @param string $string string
* @param string $pageID page/group ID
*
* @return string
*/
function getStringID($string, $pageID = null)
{
return $this->raiseError('method "getStringID" not supported',
TRANSLATION_ERROR_METHOD_NOT_SUPPORTED);
}
// }}}
// {{{ raiseError()
/**
* Trigger a PEAR error
*
* @param string $msg error message
* @param int $code error code
* @param int $mode PEAR error mode
* @param int $option error severity
*
* @return void|PEAR_Error
* @access public
*/
function raiseError($msg, $code, $mode = PEAR_ERROR_TRIGGER, $option = E_USER_WARNING)
{
if (isset($GLOBALS['_PEAR_default_error_mode'])) {
$mode = $GLOBALS['_PEAR_default_error_mode'];
}
if (isset($GLOBALS['_PEAR_default_error_options'])) {
$option = $GLOBALS['_PEAR_default_error_options'];
}
if ($mode == PEAR_ERROR_RETURN) {
return PEAR::raiseError($msg, $code, $mode, $option);
} else {
PEAR::raiseError($msg, $code, $mode, $option);
}
}
// }}}
}
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