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<?php
/**
* Responsible for running PHPCS and PHPCBF.
*
* After creating an object of this class, you probably just want to
* call runPHPCS() or runPHPCBF().
*
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/
namespace PHP_CodeSniffer;
use PHP_CodeSniffer\Exceptions\DeepExitException;
use PHP_CodeSniffer\Exceptions\RuntimeException;
use PHP_CodeSniffer\Files\DummyFile;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Files\FileList;
use PHP_CodeSniffer\Util\Cache;
use PHP_CodeSniffer\Util\Common;
use PHP_CodeSniffer\Util\Standards;
class Runner
{
/**
* The config data for the run.
*
* @var \PHP_CodeSniffer\Config
*/
public $config = null;
/**
* The ruleset used for the run.
*
* @var \PHP_CodeSniffer\Ruleset
*/
public $ruleset = null;
/**
* The reporter used for generating reports after the run.
*
* @var \PHP_CodeSniffer\Reporter
*/
public $reporter = null;
/**
* Run the PHPCS script.
*
* @return array
*/
public function runPHPCS()
{
try {
Util\Timing::startTiming();
Runner::checkRequirements();
if (defined('PHP_CODESNIFFER_CBF') === false) {
define('PHP_CODESNIFFER_CBF', false);
}
// Creating the Config object populates it with all required settings
// based on the CLI arguments provided to the script and any config
// values the user has set.
$this->config = new Config();
// Init the run and load the rulesets to set additional config vars.
$this->init();
// Print a list of sniffs in each of the supplied standards.
// We fudge the config here so that each standard is explained in isolation.
if ($this->config->explain === true) {
$standards = $this->config->standards;
foreach ($standards as $standard) {
$this->config->standards = [$standard];
$ruleset = new Ruleset($this->config);
$ruleset->explain();
}
return 0;
}
// Generate documentation for each of the supplied standards.
if ($this->config->generator !== null) {
$standards = $this->config->standards;
foreach ($standards as $standard) {
$this->config->standards = [$standard];
$ruleset = new Ruleset($this->config);
$class = 'PHP_CodeSniffer\Generators\\'.$this->config->generator;
$generator = new $class($ruleset);
$generator->generate();
}
return 0;
}
// Other report formats don't really make sense in interactive mode
// so we hard-code the full report here and when outputting.
// We also ensure parallel processing is off because we need to do one file at a time.
if ($this->config->interactive === true) {
$this->config->reports = ['full' => null];
$this->config->parallel = 1;
$this->config->showProgress = false;
}
// Disable caching if we are processing STDIN as we can't be 100%
// sure where the file came from or if it will change in the future.
if ($this->config->stdin === true) {
$this->config->cache = false;
}
$numErrors = $this->run();
// Print all the reports for this run.
$toScreen = $this->reporter->printReports();
// Only print timer output if no reports were
// printed to the screen so we don't put additional output
// in something like an XML report. If we are printing to screen,
// the report types would have already worked out who should
// print the timer info.
if ($this->config->interactive === false
&& ($toScreen === false
|| (($this->reporter->totalErrors + $this->reporter->totalWarnings) === 0 && $this->config->showProgress === true))
) {
Util\Timing::printRunTime();
}
} catch (DeepExitException $e) {
echo $e->getMessage();
return $e->getCode();
}//end try
if ($numErrors === 0) {
// No errors found.
return 0;
} else if ($this->reporter->totalFixable === 0) {
// Errors found, but none of them can be fixed by PHPCBF.
return 1;
} else {
// Errors found, and some can be fixed by PHPCBF.
return 2;
}
}//end runPHPCS()
/**
* Run the PHPCBF script.
*
* @return array
*/
public function runPHPCBF()
{
if (defined('PHP_CODESNIFFER_CBF') === false) {
define('PHP_CODESNIFFER_CBF', true);
}
try {
Util\Timing::startTiming();
Runner::checkRequirements();
// Creating the Config object populates it with all required settings
// based on the CLI arguments provided to the script and any config
// values the user has set.
$this->config = new Config();
// When processing STDIN, we can't output anything to the screen
// or it will end up mixed in with the file output.
if ($this->config->stdin === true) {
$this->config->verbosity = 0;
}
// Init the run and load the rulesets to set additional config vars.
$this->init();
// When processing STDIN, we only process one file at a time and
// we don't process all the way through, so we can't use the parallel
// running system.
if ($this->config->stdin === true) {
$this->config->parallel = 1;
}
// Override some of the command line settings that might break the fixes.
$this->config->generator = null;
$this->config->explain = false;
$this->config->interactive = false;
$this->config->cache = false;
$this->config->showSources = false;
$this->config->recordErrors = false;
$this->config->reportFile = null;
$this->config->reports = ['cbf' => null];
// If a standard tries to set command line arguments itself, some
// may be blocked because PHPCBF is running, so stop the script
// dying if any are found.
$this->config->dieOnUnknownArg = false;
$this->run();
$this->reporter->printReports();
echo PHP_EOL;
Util\Timing::printRunTime();
} catch (DeepExitException $e) {
echo $e->getMessage();
return $e->getCode();
}//end try
if ($this->reporter->totalFixed === 0) {
// Nothing was fixed by PHPCBF.
if ($this->reporter->totalFixable === 0) {
// Nothing found that could be fixed.
return 0;
} else {
// Something failed to fix.
return 2;
}
}
if ($this->reporter->totalFixable === 0) {
// PHPCBF fixed all fixable errors.
return 1;
}
// PHPCBF fixed some fixable errors, but others failed to fix.
return 2;
}//end runPHPCBF()
/**
* Exits if the minimum requirements of PHP_CodeSniffer are not met.
*
* @return void
* @throws \PHP_CodeSniffer\Exceptions\DeepExitException If the requirements are not met.
*/
public function checkRequirements()
{
// Check the PHP version.
if (PHP_VERSION_ID < 50400) {
$error = 'ERROR: PHP_CodeSniffer requires PHP version 5.4.0 or greater.'.PHP_EOL;
throw new DeepExitException($error, 3);
}
$requiredExtensions = [
'tokenizer',
'xmlwriter',
'SimpleXML',
];
$missingExtensions = [];
foreach ($requiredExtensions as $extension) {
if (extension_loaded($extension) === false) {
$missingExtensions[] = $extension;
}
}
if (empty($missingExtensions) === false) {
$last = array_pop($requiredExtensions);
$required = implode(', ', $requiredExtensions);
$required .= ' and '.$last;
if (count($missingExtensions) === 1) {
$missing = $missingExtensions[0];
} else {
$last = array_pop($missingExtensions);
$missing = implode(', ', $missingExtensions);
$missing .= ' and '.$last;
}
$error = 'ERROR: PHP_CodeSniffer requires the %s extensions to be enabled. Please enable %s.'.PHP_EOL;
$error = sprintf($error, $required, $missing);
throw new DeepExitException($error, 3);
}
}//end checkRequirements()
/**
* Init the rulesets and other high-level settings.
*
* @return void
* @throws \PHP_CodeSniffer\Exceptions\DeepExitException If a referenced standard is not installed.
*/
public function init()
{
if (defined('PHP_CODESNIFFER_CBF') === false) {
define('PHP_CODESNIFFER_CBF', false);
}
// Ensure this option is enabled or else line endings will not always
// be detected properly for files created on a Mac with the /r line ending.
@ini_set('auto_detect_line_endings', true);
// Disable the PCRE JIT as this caused issues with parallel running.
ini_set('pcre.jit', false);
// Check that the standards are valid.
foreach ($this->config->standards as $standard) {
if (Util\Standards::isInstalledStandard($standard) === false) {
// They didn't select a valid coding standard, so help them
// out by letting them know which standards are installed.
$error = 'ERROR: the "'.$standard.'" coding standard is not installed. ';
ob_start();
Util\Standards::printInstalledStandards();
$error .= ob_get_contents();
ob_end_clean();
throw new DeepExitException($error, 3);
}
}
// Saves passing the Config object into other objects that only need
// the verbosity flag for debug output.
if (defined('PHP_CODESNIFFER_VERBOSITY') === false) {
define('PHP_CODESNIFFER_VERBOSITY', $this->config->verbosity);
}
// Create this class so it is autoloaded and sets up a bunch
// of PHP_CodeSniffer-specific token type constants.
$tokens = new Util\Tokens();
// Allow autoloading of custom files inside installed standards.
$installedStandards = Standards::getInstalledStandardDetails();
foreach ($installedStandards as $name => $details) {
Autoload::addSearchPath($details['path'], $details['namespace']);
}
// The ruleset contains all the information about how the files
// should be checked and/or fixed.
try {
$this->ruleset = new Ruleset($this->config);
} catch (RuntimeException $e) {
$error = 'ERROR: '.$e->getMessage().PHP_EOL.PHP_EOL;
$error .= $this->config->printShortUsage(true);
throw new DeepExitException($error, 3);
}
}//end init()
/**
* Performs the run.
*
* @return int The number of errors and warnings found.
* @throws \PHP_CodeSniffer\Exceptions\DeepExitException
* @throws \PHP_CodeSniffer\Exceptions\RuntimeException
*/
private function run()
{
// The class that manages all reporters for the run.
$this->reporter = new Reporter($this->config);
// Include bootstrap files.
foreach ($this->config->bootstrap as $bootstrap) {
include $bootstrap;
}
if ($this->config->stdin === true) {
$fileContents = $this->config->stdinContent;
if ($fileContents === null) {
$handle = fopen('php://stdin', 'r');
stream_set_blocking($handle, true);
$fileContents = stream_get_contents($handle);
fclose($handle);
}
$todo = new FileList($this->config, $this->ruleset);
$dummy = new DummyFile($fileContents, $this->ruleset, $this->config);
$todo->addFile($dummy->path, $dummy);
} else {
if (empty($this->config->files) === true) {
$error = 'ERROR: You must supply at least one file or directory to process.'.PHP_EOL.PHP_EOL;
$error .= $this->config->printShortUsage(true);
throw new DeepExitException($error, 3);
}
if (PHP_CODESNIFFER_VERBOSITY > 0) {
echo 'Creating file list... ';
}
$todo = new FileList($this->config, $this->ruleset);
if (PHP_CODESNIFFER_VERBOSITY > 0) {
$numFiles = count($todo);
echo "DONE ($numFiles files in queue)".PHP_EOL;
}
if ($this->config->cache === true) {
if (PHP_CODESNIFFER_VERBOSITY > 0) {
echo 'Loading cache... ';
}
Cache::load($this->ruleset, $this->config);
if (PHP_CODESNIFFER_VERBOSITY > 0) {
$size = Cache::getSize();
echo "DONE ($size files in cache)".PHP_EOL;
}
}
}//end if
// Turn all sniff errors into exceptions.
set_error_handler([$this, 'handleErrors']);
// If verbosity is too high, turn off parallelism so the
// debug output is clean.
if (PHP_CODESNIFFER_VERBOSITY > 1) {
$this->config->parallel = 1;
}
// If the PCNTL extension isn't installed, we can't fork.
if (function_exists('pcntl_fork') === false) {
$this->config->parallel = 1;
}
$lastDir = '';
$numFiles = count($todo);
if ($this->config->parallel === 1) {
// Running normally.
$numProcessed = 0;
foreach ($todo as $path => $file) {
if ($file->ignored === false) {
$currDir = dirname($path);
if ($lastDir !== $currDir) {
if (PHP_CODESNIFFER_VERBOSITY > 0) {
echo 'Changing into directory '.Common::stripBasepath($currDir, $this->config->basepath).PHP_EOL;
}
$lastDir = $currDir;
}
$this->processFile($file);
} else if (PHP_CODESNIFFER_VERBOSITY > 0) {
echo 'Skipping '.basename($file->path).PHP_EOL;
}
$numProcessed++;
$this->printProgress($file, $numFiles, $numProcessed);
}
} else {
// Batching and forking.
$childProcs = [];
$numPerBatch = ceil($numFiles / $this->config->parallel);
for ($batch = 0; $batch < $this->config->parallel; $batch++) {
$startAt = ($batch * $numPerBatch);
if ($startAt >= $numFiles) {
break;
}
$endAt = ($startAt + $numPerBatch);
if ($endAt > $numFiles) {
$endAt = $numFiles;
}
$childOutFilename = tempnam(sys_get_temp_dir(), 'phpcs-child');
$pid = pcntl_fork();
if ($pid === -1) {
throw new RuntimeException('Failed to create child process');
} else if ($pid !== 0) {
$childProcs[$pid] = $childOutFilename;
} else {
// Move forward to the start of the batch.
$todo->rewind();
for ($i = 0; $i < $startAt; $i++) {
$todo->next();
}
// Reset the reporter to make sure only figures from this
// file batch are recorded.
$this->reporter->totalFiles = 0;
$this->reporter->totalErrors = 0;
$this->reporter->totalWarnings = 0;
$this->reporter->totalFixable = 0;
$this->reporter->totalFixed = 0;
// Process the files.
$pathsProcessed = [];
ob_start();
for ($i = $startAt; $i < $endAt; $i++) {
$path = $todo->key();
$file = $todo->current();
if ($file->ignored === true) {
$todo->next();
continue;
}
$currDir = dirname($path);
if ($lastDir !== $currDir) {
if (PHP_CODESNIFFER_VERBOSITY > 0) {
echo 'Changing into directory '.Common::stripBasepath($currDir, $this->config->basepath).PHP_EOL;
}
$lastDir = $currDir;
}
$this->processFile($file);
$pathsProcessed[] = $path;
$todo->next();
}//end for
$debugOutput = ob_get_contents();
ob_end_clean();
// Write information about the run to the filesystem
// so it can be picked up by the main process.
$childOutput = [
'totalFiles' => $this->reporter->totalFiles,
'totalErrors' => $this->reporter->totalErrors,
'totalWarnings' => $this->reporter->totalWarnings,
'totalFixable' => $this->reporter->totalFixable,
'totalFixed' => $this->reporter->totalFixed,
];
$output = '<'.'?php'."\n".' $childOutput = ';
$output .= var_export($childOutput, true);
$output .= ";\n\$debugOutput = ";
$output .= var_export($debugOutput, true);
if ($this->config->cache === true) {
$childCache = [];
foreach ($pathsProcessed as $path) {
$childCache[$path] = Cache::get($path);
}
$output .= ";\n\$childCache = ";
$output .= var_export($childCache, true);
}
$output .= ";\n?".'>';
file_put_contents($childOutFilename, $output);
exit();
}//end if
}//end for
$success = $this->processChildProcs($childProcs);
if ($success === false) {
throw new RuntimeException('One or more child processes failed to run');
}
}//end if
restore_error_handler();
if (PHP_CODESNIFFER_VERBOSITY === 0
&& $this->config->interactive === false
&& $this->config->showProgress === true
) {
echo PHP_EOL.PHP_EOL;
}
if ($this->config->cache === true) {
Cache::save();
}
$ignoreWarnings = Config::getConfigData('ignore_warnings_on_exit');
$ignoreErrors = Config::getConfigData('ignore_errors_on_exit');
$return = ($this->reporter->totalErrors + $this->reporter->totalWarnings);
if ($ignoreErrors !== null) {
$ignoreErrors = (bool) $ignoreErrors;
if ($ignoreErrors === true) {
$return -= $this->reporter->totalErrors;
}
}
if ($ignoreWarnings !== null) {
$ignoreWarnings = (bool) $ignoreWarnings;
if ($ignoreWarnings === true) {
$return -= $this->reporter->totalWarnings;
}
}
return $return;
}//end run()
/**
* Converts all PHP errors into exceptions.
*
* This method forces a sniff to stop processing if it is not
* able to handle a specific piece of code, instead of continuing
* and potentially getting into a loop.
*
* @param int $code The level of error raised.
* @param string $message The error message.
* @param string $file The path of the file that raised the error.
* @param int $line The line number the error was raised at.
*
* @return void
* @throws \PHP_CodeSniffer\Exceptions\RuntimeException
*/
public function handleErrors($code, $message, $file, $line)
{
if ((error_reporting() & $code) === 0) {
// This type of error is being muted.
return true;
}
throw new RuntimeException("$message in $file on line $line");
}//end handleErrors()
/**
* Processes a single file, including checking and fixing.
*
* @param \PHP_CodeSniffer\Files\File $file The file to be processed.
*
* @return void
* @throws \PHP_CodeSniffer\Exceptions\DeepExitException
*/
public function processFile($file)
{
if (PHP_CODESNIFFER_VERBOSITY > 0) {
$startTime = microtime(true);
echo 'Processing '.basename($file->path).' ';
if (PHP_CODESNIFFER_VERBOSITY > 1) {
echo PHP_EOL;
}
}
try {
$file->process();
if (PHP_CODESNIFFER_VERBOSITY > 0) {
$timeTaken = ((microtime(true) - $startTime) * 1000);
if ($timeTaken < 1000) {
$timeTaken = round($timeTaken);
echo "DONE in {$timeTaken}ms";
} else {
$timeTaken = round(($timeTaken / 1000), 2);
echo "DONE in $timeTaken secs";
}
if (PHP_CODESNIFFER_CBF === true) {
$errors = $file->getFixableCount();
echo " ($errors fixable violations)".PHP_EOL;
} else {
$errors = $file->getErrorCount();
$warnings = $file->getWarningCount();
echo " ($errors errors, $warnings warnings)".PHP_EOL;
}
}
} catch (\Exception $e) {
$error = 'An error occurred during processing; checking has been aborted. The error message was: '.$e->getMessage();
$file->addErrorOnLine($error, 1, 'Internal.Exception');
}//end try
$this->reporter->cacheFileReport($file, $this->config);
if ($this->config->interactive === true) {
/*
Running interactively.
Print the error report for the current file and then wait for user input.
*/
// Get current violations and then clear the list to make sure
// we only print violations for a single file each time.
$numErrors = null;
while ($numErrors !== 0) {
$numErrors = ($file->getErrorCount() + $file->getWarningCount());
if ($numErrors === 0) {
continue;
}
$this->reporter->printReport('full');
echo '<ENTER> to recheck, [s] to skip or [q] to quit : ';
$input = fgets(STDIN);
$input = trim($input);
switch ($input) {
case 's':
break(2);
case 'q':
throw new DeepExitException('', 0);
default:
// Repopulate the sniffs because some of them save their state
// and only clear it when the file changes, but we are rechecking
// the same file.
$file->ruleset->populateTokenListeners();
$file->reloadContent();
$file->process();
$this->reporter->cacheFileReport($file, $this->config);
break;
}
}//end while
}//end if
// Clean up the file to save (a lot of) memory.
$file->cleanUp();
}//end processFile()
/**
* Waits for child processes to complete and cleans up after them.
*
* The reporting information returned by each child process is merged
* into the main reporter class.
*
* @param array $childProcs An array of child processes to wait for.
*
* @return bool
*/
private function processChildProcs($childProcs)
{
$numProcessed = 0;
$totalBatches = count($childProcs);
$success = true;
while (count($childProcs) > 0) {
$pid = pcntl_waitpid(0, $status);
if ($pid <= 0) {
continue;
}
$out = $childProcs[$pid];
unset($childProcs[$pid]);
if (file_exists($out) === false) {
continue;
}
include $out;
unlink($out);
$numProcessed++;
if (isset($childOutput) === false) {
// The child process died, so the run has failed.
$file = new DummyFile('', $this->ruleset, $this->config);
$file->setErrorCounts(1, 0, 0, 0);
$this->printProgress($file, $totalBatches, $numProcessed);
$success = false;
continue;
}
$this->reporter->totalFiles += $childOutput['totalFiles'];
$this->reporter->totalErrors += $childOutput['totalErrors'];
$this->reporter->totalWarnings += $childOutput['totalWarnings'];
$this->reporter->totalFixable += $childOutput['totalFixable'];
$this->reporter->totalFixed += $childOutput['totalFixed'];
if (isset($debugOutput) === true) {
echo $debugOutput;
}
if (isset($childCache) === true) {
foreach ($childCache as $path => $cache) {
Cache::set($path, $cache);
}
}
// Fake a processed file so we can print progress output for the batch.
$file = new DummyFile('', $this->ruleset, $this->config);
$file->setErrorCounts(
$childOutput['totalErrors'],
$childOutput['totalWarnings'],
$childOutput['totalFixable'],
$childOutput['totalFixed']
);
$this->printProgress($file, $totalBatches, $numProcessed);
}//end while
return $success;
}//end processChildProcs()
/**
* Print progress information for a single processed file.
*
* @param \PHP_CodeSniffer\Files\File $file The file that was processed.
* @param int $numFiles The total number of files to process.
* @param int $numProcessed The number of files that have been processed,
* including this one.
*
* @return void
*/
public function printProgress(File $file, $numFiles, $numProcessed)
{
if (PHP_CODESNIFFER_VERBOSITY > 0
|| $this->config->showProgress === false
) {
return;
}
// Show progress information.
if ($file->ignored === true) {
echo 'S';
} else {
$errors = $file->getErrorCount();
$warnings = $file->getWarningCount();
$fixable = $file->getFixableCount();
$fixed = $file->getFixedCount();
if (PHP_CODESNIFFER_CBF === true) {
// Files with fixed errors or warnings are F (green).
// Files with unfixable errors or warnings are E (red).
// Files with no errors or warnings are . (black).
if ($fixable > 0) {
if ($this->config->colors === true) {
echo "\033[31m";
}
echo 'E';
if ($this->config->colors === true) {
echo "\033[0m";
}
} else if ($fixed > 0) {
if ($this->config->colors === true) {
echo "\033[32m";
}
echo 'F';
if ($this->config->colors === true) {
echo "\033[0m";
}
} else {
echo '.';
}//end if
} else {
// Files with errors are E (red).
// Files with fixable errors are E (green).
// Files with warnings are W (yellow).
// Files with fixable warnings are W (green).
// Files with no errors or warnings are . (black).
if ($errors > 0) {
if ($this->config->colors === true) {
if ($fixable > 0) {
echo "\033[32m";
} else {
echo "\033[31m";
}
}
echo 'E';
if ($this->config->colors === true) {
echo "\033[0m";
}
} else if ($warnings > 0) {
if ($this->config->colors === true) {
if ($fixable > 0) {
echo "\033[32m";
} else {
echo "\033[33m";
}
}
echo 'W';
if ($this->config->colors === true) {
echo "\033[0m";
}
} else {
echo '.';
}//end if
}//end if
}//end if
$numPerLine = 60;
if ($numProcessed !== $numFiles && ($numProcessed % $numPerLine) !== 0) {
return;
}
$percent = round(($numProcessed / $numFiles) * 100);
$padding = (strlen($numFiles) - strlen($numProcessed));
if ($numProcessed === $numFiles
&& $numFiles > $numPerLine
&& ($numProcessed % $numPerLine) !== 0
) {
$padding += ($numPerLine - ($numFiles - (floor($numFiles / $numPerLine) * $numPerLine)));
}
echo str_repeat(' ', $padding)." $numProcessed / $numFiles ($percent%)".PHP_EOL;
}//end printProgress()
}//end class