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<?php
/**
* Zend_Sniffs_Debug_CodeAnalyzerSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Holger Kral <holger.kral@zend.com>
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* Zend_Sniffs_Debug_CodeAnalyzerSniff.
*
* Runs the Zend Code Analyzer (from Zend Studio) on the file.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Holger Kral <holger.kral@zend.com>
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.3.3
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Zend_Sniffs_Debug_CodeAnalyzerSniff implements PHP_CodeSniffer_Sniff
{
/**
* 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)
{
// Because we are analyzing the whole file in one step, execute this method
// only on first occurence of a T_OPEN_TAG.
$prevOpenTag = $phpcsFile->findPrevious(T_OPEN_TAG, ($stackPtr - 1));
if ($prevOpenTag !== false) {
return;
}
$fileName = $phpcsFile->getFilename();
$analyzerPath = PHP_CodeSniffer::getConfigData('zend_ca_path');
if (is_null($analyzerPath) === true) {
return;
}
// In the command, 2>&1 is important because the code analyzer sends its
// findings to stderr. $output normally contains only stdout, so using 2>&1
// will pipe even stderr to stdout.
$cmd = $analyzerPath.' '.$fileName.' 2>&1';
// There is the possibility to pass "--ide" as an option to the analyzer.
// This would result in an output format which would be easier to parse.
// The problem here is that no cleartext error messages are returnwd; only
// error-code-labels. So for a start we go for cleartext output.
$exitCode = exec($cmd, $output, $retval);
// $exitCode is the last line of $output if no error occures, on error it
// is numeric. Try to handle various error conditions and provide useful
// error reporting.
if (is_numeric($exitCode) === true && $exitCode > 0) {
if (is_array($output) === true) {
$msg = join('\n', $output);
}
throw new PHP_CodeSniffer_Exception("Failed invoking ZendCodeAnalyzer, exitcode was [$exitCode], retval was [$retval], output was [$msg]");
}
if (is_array($output) === true) {
$tokens = $phpcsFile->getTokens();
foreach ($output as $finding) {
// The first two lines of analyzer output contain
// something like this:
// > Zend Code Analyzer 1.2.2
// > Analyzing <filename>...
// So skip these...
$res = preg_match("/^.+\(line ([0-9]+)\):(.+)$/", $finding, $regs);
if (empty($regs) === true || $res === false) {
continue;
}
// Find the token at the start of the line.
$lineToken = null;
foreach ($tokens as $ptr => $info) {
if ($info['line'] == $regs[1]) {
$lineToken = $ptr;
break;
}
}
if ($lineToken !== null) {
$phpcsFile->addWarning(trim($regs[2]), $ptr, 'ExternalTool');
}
}//end foreach
}//end if
}//end process()
}//end class
?>
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