<?php
/**
 * Squiz_Sniffs_Debug_JavaScriptLintSniff.
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2012 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */

/**
 * Squiz_Sniffs_Debug_JavaScriptLintSniff.
 *
 * Runs JavaScript Lint on the file.
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2012 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 * @version   Release: 1.5.0RC2
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */
class TTCodeStandard_Sniffs_Debug_JavaScriptLintSniff implements PHP_CodeSniffer_Sniff {

	/**
	 * A list of tokenizers this sniff supports.
	 *
	 * @var array
	 */
	public $supportedTokenizers = array('JS');


	/**
	 * Returns the token types that this sniff is interested in.
	 *
	 * @return array(int)
	 */
	public function register() {
		return array(T_OPEN_TAG);
	}//end register()


	/**
	 * Processes the tokens that this sniff is interested in.
	 *
	 * @param PHP_CodeSniffer_File $phpcsFile The file where the token was found.
	 * @param int                  $stackPtr  The position in the stack where
	 *                                        the token was found.
	 *
	 * @return void
	 */
	public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr) {
		$fileName = $phpcsFile->getFilename();

		//$jslPath = PHP_CodeSniffer::getConfigData('jsl_path');
		//if (is_null($jslPath) === true) {
		//    return;
		//}

		//$cmd = '"'.$jslPath.'" -nologo -nofilelisting -nocontext -nosummary -output-format __LINE__:__ERROR__ -process "'.$fileName.'"';
		$cmd = '"/usr/local/bin/jshint" -c "/etc/maint/jshintrc" "'.$fileName.'"';
		$msg = exec($cmd, $output, $retval);

	#echo "<br>\nzzzTest1: ". $cmd ." MSG: ". $msg."<br>\n";

		// $exitCode is the last line of $output if no error occurs, on error it
		// is numeric. Try to handle various error conditions and provide useful
		// error reporting.
		if ($retval === 2 || $retval === 4) {
			if (is_array($output) === TRUE ) {
				$msg = str_replace( '\n', '', join('\n', $output) );
				//$msg = str_replace('\n', "\n", $output);
			}

			throw new PHP_CodeSniffer_Exception("Failed invoking JavaScript Lint, retval was [$retval], output was [$msg]");
		}


		if (is_array($output) === TRUE ) {
			$tokens = $phpcsFile->getTokens();

			foreach ($output as $finding) {
				$split   = strpos($finding, ':');
				$line    = substr($finding, 0, $split);
				$message = substr($finding, ($split + 1));

				// Find the token at the start of the line.
				$lineToken = NULL;
				foreach ($tokens as $ptr => $info) {
					if ($info['line'] == $line) {
						$lineToken = $ptr;
						break;
					}
				}

				if ($lineToken !== NULL) {
					$phpcsFile->addWarning(trim($message), $ptr, 'ExternalTool');
				}
			}//end foreach
		}//end if


	}//end process()

}//end class
?>