<?php

/**

 * @author Moxiecode

 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.

 */



class PSpellShell extends SpellChecker {

	/**

	 * Spellchecks an array of words.

	 *

	 * @param {String} $lang Language code like sv or en.

	 * @param {Array} $words Array of words to spellcheck.

	 * @return {Array} Array of misspelled words.

	 */

	function &checkWords($lang, $words) {

		$cmd = $this->_getCMD($lang);



		if ($fh = fopen($this->_tmpfile, "w")) {

			fwrite($fh, "!\n");



			foreach($words as $key => $value)

				fwrite($fh, "^" . $value . "\n");



			fclose($fh);

		} else

			$this->throwError("PSpell support was not found.");



		$data = shell_exec($cmd);

		@unlink($this->_tmpfile);



		$returnData = array();

		$dataArr = preg_split("/[\r\n]/", $data, -1, PREG_SPLIT_NO_EMPTY);



		foreach ($dataArr as $dstr) {

			$matches = array();



			// Skip this line.

			if (strpos($dstr, "@") === 0)

				continue;



			preg_match("/\& ([^ ]+) .*/i", $dstr, $matches);



			if (!empty($matches[1]))

				$returnData[] = utf8_encode(trim($matches[1]));

		}



		return $returnData;

	}



	/**

	 * Returns suggestions of for a specific word.

	 *

	 * @param {String} $lang Language code like sv or en.

	 * @param {String} $word Specific word to get suggestions for.

	 * @return {Array} Array of suggestions for the specified word.

	 */

	function &getSuggestions($lang, $word) {

		$cmd = $this->_getCMD($lang);



        if (function_exists("mb_convert_encoding"))

            $word = mb_convert_encoding($word, "ISO-8859-1", mb_detect_encoding($word, "UTF-8"));

        else

            $word = utf8_encode($word);



		if ($fh = fopen($this->_tmpfile, "w")) {

			fwrite($fh, "!\n");

			fwrite($fh, "^$word\n");

			fclose($fh);

		} else

			$this->throwError("Error opening tmp file.");



		$data = shell_exec($cmd);

		@unlink($this->_tmpfile);



		$returnData = array();

		$dataArr = preg_split("/\n/", $data, -1, PREG_SPLIT_NO_EMPTY);



		foreach($dataArr as $dstr) {

			$matches = array();



			// Skip this line.

			if (strpos($dstr, "@") === 0)

				continue;



			preg_match("/\&[^:]+:(.*)/i", $dstr, $matches);



			if (!empty($matches[1])) {

				$words = array_slice(explode(',', $matches[1]), 0, 10);



				for ($i=0; $i<count($words); $i++)

					$words[$i] = trim($words[$i]);



				return $words;

			}

		}



		return array();

	}



	function _getCMD($lang) {

		$this->_tmpfile = tempnam($this->_config['PSpellShell.tmp'], "tinyspell");



		if(preg_match("#win#i", php_uname()))

			return $this->_config['PSpellShell.aspell'] . " -a --lang=". escapeshellarg($lang) . " --encoding=utf-8 -H < " . $this->_tmpfile . " 2>&1";



		return "cat ". $this->_tmpfile ." | " . $this->_config['PSpellShell.aspell'] . " -a --encoding=utf-8 -H --lang=". escapeshellarg($lang);

	}

}



?>

