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<?php
/**
 * Runs the Zend Code Analyzer (from Zend Studio) on the file.
 *
 * @author    Holger Kral <holger.kral@zend.com>
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 *
 * @deprecated 3.9.0
 */

namespace PHP_CodeSniffer\Standards\Zend\Sniffs\Debug;

use PHP_CodeSniffer\Sniffs\DeprecatedSniff;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Config;
use PHP_CodeSniffer\Exceptions\RuntimeException;
use PHP_CodeSniffer\Util\Common;

class CodeAnalyzerSniff implements Sniff, DeprecatedSniff
{

/**
     * Returns the token types that this sniff is interested in.
     *
     * @return array<int|string>
     */
    public function register()
    {
        return [T_OPEN_TAG];

}//end register()

/**
     * Processes the tokens that this sniff is interested in.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file where the token was found.
     * @param int                         $stackPtr  The position in the stack where
     *                                               the token was found.
     *
     * @return int
     * @throws \PHP_CodeSniffer\Exceptions\RuntimeException If ZendCodeAnalyzer could not be run.
     */
    public function process(File $phpcsFile, $stackPtr)
    {
        $analyzerPath = Config::getExecutablePath('zend_ca');
        if ($analyzerPath === null) {
            return $phpcsFile->numTokens;
        }

$fileName = $phpcsFile->getFilename();

// 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.
        $cmd = Common::escapeshellcmd($analyzerPath).' '.escapeshellarg($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 returned; only
        // error-code-labels. So for a start we go for cleartext output.
        $exitCode = exec($cmd, $output, $retval);

// Variable $exitCode is the last line of $output if no error occurs, on
        // error it is numeric. Try to handle various error conditions and
        // provide useful error reporting.
        if (is_numeric($exitCode) === true && $exitCode > 0) {
            if (is_array($output) === true) {
                $msg = implode('\n', $output);
            }

throw new RuntimeException("Failed invoking ZendCodeAnalyzer, exitcode was [$exitCode], retval was [$retval], output was [$msg]");
        }

if (is_array($output) === true) {
            foreach ($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;
                }

$phpcsFile->addWarningOnLine(trim($regs[2]), $regs[1], 'ExternalTool');
            }
        }

// Ignore the rest of the file.
        return $phpcsFile->numTokens;

}//end process()

/**
     * Provide the version number in which the sniff was deprecated.
     *
     * @return string
     */
    public function getDeprecationVersion()
    {
        return 'v3.9.0';

}//end getDeprecationVersion()

/**
     * Provide the version number in which the sniff will be removed.
     *
     * @return string
     */
    public function getRemovalVersion()
    {
        return 'v4.0.0';

}//end getRemovalVersion()

/**
     * Provide a custom message to display with the deprecation.
     *
     * @return string
     */
    public function getDeprecationMessage()
    {
        return '';

}//end getDeprecationMessage()

}//end class

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