97 lines
2.4 KiB
PHP
97 lines
2.4 KiB
PHP
<?php
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/*
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* This file is part of the PHP_CodeCoverage package.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Driver for Xdebug's code coverage functionality.
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*
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* @since Class available since Release 1.0.0
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* @codeCoverageIgnore
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*/
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class PHP_CodeCoverage_Driver_Xdebug implements PHP_CodeCoverage_Driver
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{
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/**
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* Constructor.
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*/
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public function __construct()
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{
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if (!extension_loaded('xdebug')) {
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throw new PHP_CodeCoverage_Exception('This driver requires Xdebug');
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}
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if (version_compare(phpversion('xdebug'), '2.2.0-dev', '>=') &&
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!ini_get('xdebug.coverage_enable')) {
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throw new PHP_CodeCoverage_Exception(
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'xdebug.coverage_enable=On has to be set in php.ini'
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);
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}
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}
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/**
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* Start collection of code coverage information.
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*/
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public function start()
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{
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xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
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}
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/**
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* Stop collection of code coverage information.
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*
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* @return array
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*/
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public function stop()
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{
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$data = xdebug_get_code_coverage();
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xdebug_stop_code_coverage();
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return $this->cleanup($data);
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}
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/**
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* @param array $data
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* @return array
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* @since Method available since Release 2.0.0
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*/
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private function cleanup(array $data)
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{
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foreach (array_keys($data) as $file) {
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unset($data[$file][0]);
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if ($file != 'xdebug://debug-eval' && file_exists($file)) {
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$numLines = $this->getNumberOfLinesInFile($file);
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foreach (array_keys($data[$file]) as $line) {
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if (isset($data[$file][$line]) && $line > $numLines) {
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unset($data[$file][$line]);
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}
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}
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}
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}
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return $data;
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}
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/**
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* @param string $file
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* @return int
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* @since Method available since Release 2.0.0
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*/
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private function getNumberOfLinesInFile($file)
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{
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$buffer = file_get_contents($file);
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$lines = substr_count($buffer, "\n");
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if (substr($buffer, -1) !== "\n") {
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$lines++;
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}
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return $lines;
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}
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}
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