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File: entry.php
<?php
/**
 * Contains Translation_Entry class
 *
 * @version $Id: entry.php 115 2009-05-11 18:56:15Z nbachiyski $
 * @package pomo
 * @subpackage entry
 */


/**
 * Translation_Entry class encapsulates a translatable string
 */
class Translation_Entry {

	/**
	 * Whether the entry contains a string and its plural form, default is false
	 *
	 * @var boolean
	 */
	var $is_plural = false;

	var $context = null;
	var $singular = null;
	var $plural = null;
	var $translations = array();
	var $translator_comments = '';
	var $extracted_comments = '';
	var $references = array();
	var $flags = array();

	/**
	 * @param array $args associative array, support following keys:
	 * 	- singular (string) -- the string to translate, if omitted and empty entry will be created
	 * 	- plural (string) -- the plural form of the string, setting this will set {@link $is_plural} to true
	 * 	- translations (array) -- translations of the string and possibly -- its plural forms
	 * 	- context (string) -- a string differentiating two equal strings used in different contexts
	 * 	- translator_comments (string) -- comments left by translators
	 * 	- extracted_comments (string) -- comments left by developers
	 * 	- references (array) -- places in the code this strings is used, in relative_to_root_path/file.php:linenum form
	 * 	- flags (array) -- flags like php-format
	 */
	function Translation_Entry($args=array()) {
		// if no singular -- empty object
		if (!isset($args['singular'])) {
			return;
		}
		// get member variable values from args hash
		$object_varnames = array_keys(get_object_vars($this));
		foreach ($args as $varname => $value) {
			$this->$varname = $value;
		}
		if (isset($args['plural'])) $this->is_plural = true;
		if (!is_array($this->translations)) $this->translations = array();
		if (!is_array($this->references)) $this->references = array();
		if (!is_array($this->flags)) $this->flags = array();
	}

	/**
	 * Generates a unique key for this entry
	 *
	 * @return string|bool the key or false if the entry is empty
	 */
	function key() {
		if (is_null($this->singular)) return false;
		// prepend context and EOT, like in MO files
		return is_null($this->context)? $this->singular : $this->context.chr(4).$this->singular;
	}
}
?>