118 lines
2.7 KiB
PHP
118 lines
2.7 KiB
PHP
<?php
|
|
/*
|
|
* This file is part of the php-code-coverage package.
|
|
*
|
|
* (c) Sebastian Bergmann <sebastian@phpunit.de>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace SebastianBergmann\CodeCoverage\Driver;
|
|
|
|
use SebastianBergmann\CodeCoverage\RuntimeException;
|
|
|
|
/**
|
|
* Driver for Xdebug's code coverage functionality.
|
|
*
|
|
* @codeCoverageIgnore
|
|
*/
|
|
class Xdebug implements Driver
|
|
{
|
|
/**
|
|
* Cache the number of lines for each file
|
|
*
|
|
* @var array
|
|
*/
|
|
private $cacheNumLines = [];
|
|
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
public function __construct()
|
|
{
|
|
if (!extension_loaded('xdebug')) {
|
|
throw new RuntimeException('This driver requires Xdebug');
|
|
}
|
|
|
|
if (version_compare(phpversion('xdebug'), '2.2.1', '>=') &&
|
|
!ini_get('xdebug.coverage_enable')) {
|
|
throw new RuntimeException(
|
|
'xdebug.coverage_enable=On has to be set in php.ini'
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Start collection of code coverage information.
|
|
*
|
|
* @param bool $determineUnusedAndDead
|
|
*/
|
|
public function start($determineUnusedAndDead = true)
|
|
{
|
|
if ($determineUnusedAndDead) {
|
|
xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
|
|
} else {
|
|
xdebug_start_code_coverage();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Stop collection of code coverage information.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function stop()
|
|
{
|
|
$data = xdebug_get_code_coverage();
|
|
xdebug_stop_code_coverage();
|
|
|
|
return $this->cleanup($data);
|
|
}
|
|
|
|
/**
|
|
* @param array $data
|
|
*
|
|
* @return array
|
|
*/
|
|
private function cleanup(array $data)
|
|
{
|
|
foreach (array_keys($data) as $file) {
|
|
unset($data[$file][0]);
|
|
|
|
if (strpos($file, 'xdebug://debug-eval') !== 0 && file_exists($file)) {
|
|
$numLines = $this->getNumberOfLinesInFile($file);
|
|
|
|
foreach (array_keys($data[$file]) as $line) {
|
|
if ($line > $numLines) {
|
|
unset($data[$file][$line]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @param string $file
|
|
*
|
|
* @return int
|
|
*/
|
|
private function getNumberOfLinesInFile($file)
|
|
{
|
|
if (!isset($this->cacheNumLines[$file])) {
|
|
$buffer = file_get_contents($file);
|
|
$lines = substr_count($buffer, "\n");
|
|
|
|
if (substr($buffer, -1) !== "\n") {
|
|
$lines++;
|
|
}
|
|
|
|
$this->cacheNumLines[$file] = $lines;
|
|
}
|
|
|
|
return $this->cacheNumLines[$file];
|
|
}
|
|
}
|