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<?php declare(strict_types=1);
/*
* This file is part of phpunit/php-code-coverage.
*
* (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\Node;
use const DIRECTORY_SEPARATOR;
use function array_shift;
use function basename;
use function count;
use function dirname;
use function explode;
use function implode;
use function is_file;
use function str_replace;
use function strpos;
use function substr;
use SebastianBergmann\CodeCoverage\CodeCoverage;
use SebastianBergmann\CodeCoverage\ProcessedCodeCoverageData;
use SebastianBergmann\CodeCoverage\StaticAnalysis\FileAnalyser;
/**
* @internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage
*/
final class Builder
{
/**
* @var FileAnalyser
*/
private $analyser;
public function __construct(FileAnalyser $analyser)
{
$this->analyser = $analyser;
}
public function build(CodeCoverage $coverage): Directory
{
$data = clone $coverage->getData(); // clone because path munging is destructive to the original data
$commonPath = $this->reducePaths($data);
$root = new Directory(
$commonPath,
null
);
$this->addItems(
$root,
$this->buildDirectoryStructure($data),
$coverage->getTests()
);
return $root;
}
private function addItems(Directory $root, array $items, array $tests): void
{
foreach ($items as $key => $value) {
$key = (string) $key;
if (substr($key, -2) === '/f') {
$key = substr($key, 0, -2);
$filename = $root->pathAsString() . DIRECTORY_SEPARATOR . $key;
if (is_file($filename)) {
$root->addFile(
new File(
$key,
$root,
$value['lineCoverage'],
$value['functionCoverage'],
$tests,
$this->analyser->classesIn($filename),
$this->analyser->traitsIn($filename),
$this->analyser->functionsIn($filename),
$this->analyser->linesOfCodeFor($filename)
)
);
}
} else {
$child = $root->addDirectory($key);
$this->addItems($child, $value, $tests);
}
}
}
/**
* Builds an array representation of the directory structure.
*
* For instance,
*
* <code>
* Array
* (
* [Money.php] => Array
* (
* ...
* )
*
* [MoneyBag.php] => Array
* (
* ...
* )
* )
* </code>
*
* is transformed into
*
* <code>
* Array
* (
* [.] => Array
* (
* [Money.php] => Array
* (
* ...
* )
*
* [MoneyBag.php] => Array
* (
* ...
* )
* )
* )
* </code>
*/
private function buildDirectoryStructure(ProcessedCodeCoverageData $data): array
{
$result = [];
foreach ($data->coveredFiles() as $originalPath) {
$path = explode(DIRECTORY_SEPARATOR, $originalPath);
$pointer = &$result;
$max = count($path);
for ($i = 0; $i < $max; $i++) {
$type = '';
if ($i === ($max - 1)) {
$type = '/f';
}
$pointer = &$pointer[$path[$i] . $type];
}
$pointer = [
'lineCoverage' => $data->lineCoverage()[$originalPath] ?? [],
'functionCoverage' => $data->functionCoverage()[$originalPath] ?? [],
];
}
return $result;
}
/**
* Reduces the paths by cutting the longest common start path.
*
* For instance,
*
* <code>
* Array
* (
* [/home/sb/Money/Money.php] => Array
* (
* ...
* )
*
* [/home/sb/Money/MoneyBag.php] => Array
* (
* ...
* )
* )
* </code>
*
* is reduced to
*
* <code>
* Array
* (
* [Money.php] => Array
* (
* ...
* )
*
* [MoneyBag.php] => Array
* (
* ...
* )
* )
* </code>
*/
private function reducePaths(ProcessedCodeCoverageData $coverage): string
{
if (empty($coverage->coveredFiles())) {
return '.';
}
$commonPath = '';
$paths = $coverage->coveredFiles();
if (count($paths) === 1) {
$commonPath = dirname($paths[0]) . DIRECTORY_SEPARATOR;
$coverage->renameFile($paths[0], basename($paths[0]));
return $commonPath;
}
$max = count($paths);
for ($i = 0; $i < $max; $i++) {
// strip phar:// prefixes
if (strpos($paths[$i], 'phar://') === 0) {
$paths[$i] = substr($paths[$i], 7);
$paths[$i] = str_replace('/', DIRECTORY_SEPARATOR, $paths[$i]);
}
$paths[$i] = explode(DIRECTORY_SEPARATOR, $paths[$i]);
if (empty($paths[$i][0])) {
$paths[$i][0] = DIRECTORY_SEPARATOR;
}
}
$done = false;
$max = count($paths);
while (!$done) {
for ($i = 0; $i < $max - 1; $i++) {
if (!isset($paths[$i][0]) ||
!isset($paths[$i + 1][0]) ||
$paths[$i][0] !== $paths[$i + 1][0]) {
$done = true;
break;
}
}
if (!$done) {
$commonPath .= $paths[0][0];
if ($paths[0][0] !== DIRECTORY_SEPARATOR) {
$commonPath .= DIRECTORY_SEPARATOR;
}
for ($i = 0; $i < $max; $i++) {
array_shift($paths[$i]);
}
}
}
$original = $coverage->coveredFiles();
$max = count($original);
for ($i = 0; $i < $max; $i++) {
$coverage->renameFile($original[$i], implode(DIRECTORY_SEPARATOR, $paths[$i]));
}
return substr($commonPath, 0, -1);
}
}
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