Skip to content
Permalink
1.0.1
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
76 lines (64 sloc) 1.83 KB
<?php declare(strict_types=1);
/*
* This file is part of sebastian/lines-of-code.
*
* (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\LinesOfCode;
use function array_merge;
use function array_unique;
use function count;
use PhpParser\Comment;
use PhpParser\Node;
use PhpParser\NodeVisitorAbstract;
final class LineCountingVisitor extends NodeVisitorAbstract
{
/**
* @var int
*/
private $linesOfCode;
/**
* @var Comment[]
*/
private $comments = [];
/**
* @var int[]
*/
private $linesWithStatements = [];
public function __construct(int $linesOfCode)
{
$this->linesOfCode = $linesOfCode;
}
public function enterNode(Node $node): void
{
$this->comments = array_merge($this->comments, $node->getComments());
$this->linesWithStatements[] = $node->getStartLine();
}
public function result(): LinesOfCode
{
$commentLinesOfCode = 0;
foreach ($this->comments() as $comment) {
$commentLinesOfCode += ($comment->getEndLine() - $comment->getStartLine() + 1);
}
return new LinesOfCode(
$this->linesOfCode,
$commentLinesOfCode,
$this->linesOfCode - $commentLinesOfCode,
count(array_unique($this->linesWithStatements))
);
}
/**
* @return Comment[]
*/
private function comments(): array
{
$comments = [];
foreach ($this->comments as $comment) {
$comments[$comment->getStartLine() . '_' . $comment->getStartTokenPos() . '_' . $comment->getEndLine() . '_' . $comment->getEndTokenPos()] = $comment;
}
return $comments;
}
}