<?php

/**

 * Contains Translation_Entry class

 *

 * @package pomo

 * @subpackage entry

 */

if ( !class_exists( 'Translation_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

		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;

	}

	function merge_with(&$other) {

		$this->flags = array_unique( array_merge( $this->flags, $other->flags ) );

		$this->references = array_unique( array_merge( $this->references, $other->references ) );

		if ( $this->extracted_comments != $other->extracted_comments ) {

			$this->extracted_comments .= $other->extracted_comments;

		}

	}

}

endif;