*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\CodeCoverage\Node;
use SebastianBergmann\CodeCoverage\CodeCoverage;
class Builder
{
/**
* @param CodeCoverage $coverage
*
* @return Directory
*/
public function build(CodeCoverage $coverage)
{
$files = $coverage->getData();
$commonPath = $this->reducePaths($files);
$root = new Directory(
$commonPath,
null
);
$this->addItems(
$root,
$this->buildDirectoryStructure($files),
$coverage->getTests(),
$coverage->getCacheTokens()
);
return $root;
}
/**
* @param Directory $root
* @param array $items
* @param array $tests
* @param bool $cacheTokens
*/
private function addItems(Directory $root, array $items, array $tests, $cacheTokens)
{
foreach ($items as $key => $value) {
if (substr($key, -2) == '/f') {
$key = substr($key, 0, -2);
if (file_exists($root->getPath() . DIRECTORY_SEPARATOR . $key)) {
$root->addFile($key, $value, $tests, $cacheTokens);
}
} else {
$child = $root->addDirectory($key);
$this->addItems($child, $value, $tests, $cacheTokens);
}
}
}
/**
* Builds an array representation of the directory structure.
*
* For instance,
*
*
* Array
* (
* [Money.php] => Array
* (
* ...
* )
*
* [MoneyBag.php] => Array
* (
* ...
* )
* )
*
*
* is transformed into
*
*
* Array
* (
* [.] => Array
* (
* [Money.php] => Array
* (
* ...
* )
*
* [MoneyBag.php] => Array
* (
* ...
* )
* )
* )
*
*
* @param array $files
*
* @return array
*/
private function buildDirectoryStructure($files)
{
$result = [];
foreach ($files as $path => $file) {
$path = explode('/', $path);
$pointer = &$result;
$max = count($path);
for ($i = 0; $i < $max; $i++) {
if ($i == ($max - 1)) {
$type = '/f';
} else {
$type = '';
}
$pointer = &$pointer[$path[$i] . $type];
}
$pointer = $file;
}
return $result;
}
/**
* Reduces the paths by cutting the longest common start path.
*
* For instance,
*
*
* Array
* (
* [/home/sb/Money/Money.php] => Array
* (
* ...
* )
*
* [/home/sb/Money/MoneyBag.php] => Array
* (
* ...
* )
* )
*
*
* is reduced to
*
*
* Array
* (
* [Money.php] => Array
* (
* ...
* )
*
* [MoneyBag.php] => Array
* (
* ...
* )
* )
*
*
* @param array $files
*
* @return string
*/
private function reducePaths(&$files)
{
if (empty($files)) {
return '.';
}
$commonPath = '';
$paths = array_keys($files);
if (count($files) == 1) {
$commonPath = dirname($paths[0]) . '/';
$files[basename($paths[0])] = $files[$paths[0]];
unset($files[$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] = strtr($paths[$i], '/', DIRECTORY_SEPARATOR);
}
$paths[$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]);
}
}
}
$original = array_keys($files);
$max = count($original);
for ($i = 0; $i < $max; $i++) {
$files[implode('/', $paths[$i])] = $files[$original[$i]];
unset($files[$original[$i]]);
}
ksort($files);
return substr($commonPath, 0, -1);
}
}