sforkowany z mirror/friendica
164 wiersze
5.3 KiB
PHP
164 wiersze
5.3 KiB
PHP
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<?php
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/**
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* Represents a language and defines localizable string formatting and
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* other functions, as well as the localized messages for HTML Purifier.
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*/
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class HTMLPurifier_Language
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{
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/**
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* ISO 639 language code of language. Prefers shortest possible version
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*/
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public $code = 'en';
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/**
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* Fallback language code
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*/
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public $fallback = false;
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/**
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* Array of localizable messages
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*/
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public $messages = array();
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/**
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* Array of localizable error codes
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*/
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public $errorNames = array();
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/**
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* True if no message file was found for this language, so English
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* is being used instead. Check this if you'd like to notify the
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* user that they've used a non-supported language.
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*/
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public $error = false;
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/**
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* Has the language object been loaded yet?
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* @todo Make it private, fix usage in HTMLPurifier_LanguageTest
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*/
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public $_loaded = false;
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/**
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* Instances of HTMLPurifier_Config and HTMLPurifier_Context
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*/
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protected $config, $context;
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public function __construct($config, $context) {
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$this->config = $config;
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$this->context = $context;
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}
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/**
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* Loads language object with necessary info from factory cache
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* @note This is a lazy loader
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*/
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public function load() {
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if ($this->_loaded) return;
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$factory = HTMLPurifier_LanguageFactory::instance();
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$factory->loadLanguage($this->code);
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foreach ($factory->keys as $key) {
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$this->$key = $factory->cache[$this->code][$key];
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}
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$this->_loaded = true;
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}
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/**
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* Retrieves a localised message.
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* @param $key string identifier of message
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* @return string localised message
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*/
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public function getMessage($key) {
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if (!$this->_loaded) $this->load();
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if (!isset($this->messages[$key])) return "[$key]";
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return $this->messages[$key];
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}
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/**
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* Retrieves a localised error name.
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* @param $int integer error number, corresponding to PHP's error
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* reporting
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* @return string localised message
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*/
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public function getErrorName($int) {
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if (!$this->_loaded) $this->load();
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if (!isset($this->errorNames[$int])) return "[Error: $int]";
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return $this->errorNames[$int];
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}
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/**
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* Converts an array list into a string readable representation
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*/
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public function listify($array) {
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$sep = $this->getMessage('Item separator');
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$sep_last = $this->getMessage('Item separator last');
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$ret = '';
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for ($i = 0, $c = count($array); $i < $c; $i++) {
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if ($i == 0) {
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} elseif ($i + 1 < $c) {
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$ret .= $sep;
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} else {
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$ret .= $sep_last;
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}
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$ret .= $array[$i];
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}
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return $ret;
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}
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/**
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* Formats a localised message with passed parameters
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* @param $key string identifier of message
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* @param $args Parameters to substitute in
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* @return string localised message
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* @todo Implement conditionals? Right now, some messages make
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* reference to line numbers, but those aren't always available
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*/
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public function formatMessage($key, $args = array()) {
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if (!$this->_loaded) $this->load();
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if (!isset($this->messages[$key])) return "[$key]";
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$raw = $this->messages[$key];
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$subst = array();
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$generator = false;
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foreach ($args as $i => $value) {
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if (is_object($value)) {
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if ($value instanceof HTMLPurifier_Token) {
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// factor this out some time
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if (!$generator) $generator = $this->context->get('Generator');
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if (isset($value->name)) $subst['$'.$i.'.Name'] = $value->name;
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if (isset($value->data)) $subst['$'.$i.'.Data'] = $value->data;
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$subst['$'.$i.'.Compact'] =
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$subst['$'.$i.'.Serialized'] = $generator->generateFromToken($value);
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// a more complex algorithm for compact representation
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// could be introduced for all types of tokens. This
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// may need to be factored out into a dedicated class
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if (!empty($value->attr)) {
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$stripped_token = clone $value;
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$stripped_token->attr = array();
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$subst['$'.$i.'.Compact'] = $generator->generateFromToken($stripped_token);
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}
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$subst['$'.$i.'.Line'] = $value->line ? $value->line : 'unknown';
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}
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continue;
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} elseif (is_array($value)) {
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$keys = array_keys($value);
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if (array_keys($keys) === $keys) {
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// list
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$subst['$'.$i] = $this->listify($value);
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} else {
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// associative array
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// no $i implementation yet, sorry
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$subst['$'.$i.'.Keys'] = $this->listify($keys);
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$subst['$'.$i.'.Values'] = $this->listify(array_values($value));
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}
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continue;
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}
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$subst['$' . $i] = $value;
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}
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return strtr($raw, $subst);
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}
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}
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// vim: et sw=4 sts=4
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