Tree::getBreadcrumb() - Code Metrics - Inspection of "Merge pull request #156 from matteosister/develop" - matteosister/GitElephant - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 7cb780...532294 )

unknown

created 2019-03-25 11:52 UTC

Tree::getBreadcrumb() A

↳ Parent: Tree

Complexity

Conditions	5
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	30

Importance

Changes

Metric	Value
dl	0
loc	21
ccs	0
cts	14
cp	0
rs	9.2728
c	0
b	0
f	0
cc	5
nc	2
nop	0
crap	30

<?php
/**
 * GitElephant - An abstraction layer for git written in PHP
 * Copyright (C) 2013  Matteo Giachino
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see [http://www.gnu.org/licenses/].
 */

namespace GitElephant\Objects;

use \GitElephant\Repository;
use \GitElephant\Command\LsTreeCommand;
use \GitElephant\Command\CatFileCommand;

/**
 * An abstraction of a git tree
 *
 * Retrieve an object with array access, iterable and countable
 * with a collection of Object at the given path of the repository
 *
 * @author Matteo Giachino <[email protected]>
 */
class Tree extends NodeObject implements \ArrayAccess, \Countable, \Iterator
{
    /**
     * @var string
     */
    private $ref;

    /**
     * the cursor position
     *
     * @var int
     */
    private $position;

    /**
     * the tree subject
     *
     * @var NodeObject
     */
    private $subject;

    /**
     * tree children
     *
     * @var array
     */
    private $children = [];

    /**
     * tree path children
     *
     * @var array
     */
    private $pathChildren = [];

    /**
     * the blob of the actual tree
     *
     * @var \GitElephant\Objects\NodeObject
     */
    private $blob;

    /**
     * static method to generate standalone log
     *
     * @param \GitElephant\Repository $repository  repo
     * @param array                   $outputLines output lines from command.log
     *
     * @return \GitElephant\Objects\Tree
     */
    public static function createFromOutputLines(Repository $repository, array $outputLines)
    {
        $tree = new self($repository);
        $tree->parseOutputLines($outputLines);

        return $tree;
    }

    /**
     * get the commit properties from command
     *
     * @see LsTreeCommand::tree
     */
    private function createFromCommand()
    {
        $command = LsTreeCommand::getInstance($this->getRepository())->tree($this->ref, $this->subject);
        $outputLines = $this->getCaller()->execute($command)->getOutputLines(true);
        $this->parseOutputLines($outputLines);
    }

    /**
     * Some path examples:
     *    empty string for root
     *    folder1/folder2
     *    folder1/folder2/filename
     *
     * @param \GitElephant\Repository $repository the repository
     * @param string                  $ref        a treeish reference
     * @param NodeObject              $subject    the subject
     *
     * @throws \RuntimeException
     * @throws \Symfony\Component\Process\Exception\RuntimeException
     * @internal param \GitElephant\Objects\Object|string $treeObject Object instance
     */
    public function __construct(Repository $repository, $ref = 'HEAD', NodeObject $subject = null)
    {
        $this->position = 0;
        $this->repository = $repository;
        $this->ref = $ref;
        $this->subject = $subject;
        $this->createFromCommand();
    }

    /**
     * parse the output of a git command showing a ls-tree
     *
     * @param array $outputLines output lines
     */
    private function parseOutputLines(array $outputLines)
    {
        foreach ($outputLines as $line) {
            $this->parseLine($line);
        }
        usort($this->children, [$this, 'sortChildren']);
        $this->scanPathsForBlob($outputLines);
    }

    /**
     * @return \GitElephant\Command\Caller\Caller
     */
    private function getCaller()
    {
        return $this->getRepository()->getCaller();
    }

    /**
     * get the current tree parent, null if root
     *
     * @return null|string
     */
    public function getParent()
    {
        if ($this->isRoot()) {
            return null;
        }

        return substr($this->subject->getFullPath(), 0, strrpos($this->subject->getFullPath(), '/'));
    }

    /**
     * tell if the tree created is the root of the repository
     *
     * @return bool
     */
    public function isRoot()
    {
        return null === $this->subject;
    }

    /**
     * tell if the path given is a blob path
     *
     * @return bool
     */
    public function isBlob()
    {
        return isset($this->blob);
    }

    /**
     * the current tree path is a binary file
     *
     * @return bool
     */
    public function isBinary()
    {
        return $this->isRoot() ? false : NodeObject::TYPE_BLOB === $this->subject->getType();
    }

    /**
     * get binary data
     *
     * @throws \RuntimeException
     * @throws \Symfony\Component\Process\Exception\LogicException
     * @throws \Symfony\Component\Process\Exception\InvalidArgumentException
     * @throws \Symfony\Component\Process\Exception\RuntimeException
     * @return string
     */
    public function getBinaryData()
    {
        $cmd = CatFileCommand::getInstance($this->getRepository())->content($this->getSubject(), $this->ref);

        return $this->getCaller()->execute($cmd)->getRawOutput();
    }

    /**
     * Return an array like this
     *   0 => array(
     *      'path' => the path to the current element
     *      'label' => the name of the current element
     *   ),
     *   1 => array(),
     *   ...
     *
     * @return array
     */
    public function getBreadcrumb()
    {
        $bc = [];
        if (!$this->isRoot()) {
            $arrayNames = explode('/', $this->subject->getFullPath());
            $pathString = '';
            foreach ($arrayNames as $i => $name) {
                if ($this->isBlob() and $name === $this->blob->getName()) {
                    $bc[$i]['path'] = $pathString . $name;
                    $bc[$i]['label'] = $this->blob;
                    $pathString .= $name . '/';
                } else {
                    $bc[$i]['path'] = $pathString . $name;
                    $bc[$i]['label'] = $name;
                    $pathString .= $name . '/';
                }
            }
        }

        return $bc;
    }

    /**
     * check if the path is equals to a fullPath
     * to tell if it's a blob
     *
     * @param array $outputLines output lines
     *
     * @return mixed
     */
    private function scanPathsForBlob(array $outputLines)
    {
        // no children, empty folder or blob!
        if (count($this->children) > 0) {
            return;
        }

        // root, no blob
        if ($this->isRoot()) {
            return;
        }

        if (1 === count($outputLines)) {
            $treeObject = NodeObject::createFromOutputLine($this->repository, $outputLines[0]);
            if ($treeObject->getSha() === $this->subject->getSha()) {
                $this->blob = $treeObject;
            }
        }
    }

    /**
     * Reorder children of the tree
     * Tree first (alphabetically) and then blobs (alphabetically)
     *
     * @param \GitElephant\Objects\NodeObject $a the first object
     * @param \GitElephant\Objects\NodeObject $b the second object
     *
     * @return int
     */
    private function sortChildren(NodeObject $a, NodeObject $b)
    {
        if ($a->getType() == $b->getType()) {
            $names = [$a->getName(), $b->getName()];
            sort($names);

            return ($a->getName() === $names[0]) ? -1 : 1;
        }

        return $a->getType() == NodeObject::TYPE_TREE || $b->getType() == NodeObject::TYPE_BLOB ? -1 : 1;
    }

    /**
     * Parse a single line into pieces
     *
     * @param string $line a single line output from the git binary
     *
     * @return mixed
     */
    private function parseLine($line)
    {
        if ($line == '') {
            return;
        }

        $slices = NodeObject::getLineSlices($line);
        if ($this->isBlob()) {
            $this->pathChildren[] = $this->blob->getName();
        } else {
            if ($this->isRoot()) {
                // if is root check for first children
                $pattern = '/(\w+)\/(.*)/';
                $replacement = '$1';
            } else {
                // filter by the children of the path
                $actualPath = $this->subject->getFullPath();
                if (!preg_match(sprintf('/^%s\/(\w*)/', preg_quote($actualPath, '/')), $slices['fullPath'])) {
                    return;
                }
                $pattern = sprintf('/^%s\/(\w*)/', preg_quote($actualPath, '/'));
                $replacement = '$1';
            }

            $name = preg_replace($pattern, $replacement, $slices['fullPath']);
            if (strpos($name, '/') !== false) {
                return;
            }

            if (!in_array($name, $this->pathChildren)) {
                $path = rtrim(rtrim($slices['fullPath'], $name), '/');
                $treeObject = new TreeObject(
                    $this->repository,
                    $slices['permissions'],
                    $slices['type'],
                    $slices['sha'],
                    $slices['size'],
                    $name,
                    $path
                );
                $this->children[] = $treeObject;
                $this->pathChildren[] = $name;
            }
        }
    }

    /**
     * get the last commit message for this tree
     *
     * @param string $ref
     *
     * @throws \RuntimeException
     * @return Commit\Message
     */
    public function getLastCommitMessage($ref = 'master')
    {
        return $this->getLastCommit($ref)->getMessage();
    }

    /**
     * get author of the last commit
     *
     * @param string $ref
     *
     * @throws \RuntimeException
     * @return Author
     */
    public function getLastCommitAuthor($ref = 'master')
    {
        return $this->getLastCommit($ref)->getAuthor();
    }

    /**
     * get the last commit for a given treeish, for the actual tree
     *
     * @param string $ref
     *
     * @throws \RuntimeException
     * @throws \Symfony\Component\Process\Exception\RuntimeException
     * @return Commit
     */
    public function getLastCommit($ref = 'master')
    {
        if ($this->isRoot()) {
            return $this->getRepository()->getCommit($ref);
        }
        $log = $this->repository->getObjectLog($this->getObject(), $ref);

        return $log[0];
    }

    /**
     * get the tree object for this tree
     *
     * @return \GitElephant\Objects\NodeObject
     */
    public function getObject()
    {
        return $this->isRoot() ? null : $this->getSubject();
    }

    /**
     * Blob getter
     *
     * @return \GitElephant\Objects\NodeObject
     */
    public function getBlob()
    {
        return $this->blob;
    }

    /**
     * Get Subject
     *
     * @return \GitElephant\Objects\NodeObject
     */
    public function getSubject()
    {
        return $this->subject;
    }

    /**
     * Get Ref
     *
     * @return string
     */
    public function getRef()
    {
        return $this->ref;
    }

    /**
     * ArrayAccess interface
     *
     * @param int $offset offset
     *
     * @return bool
     */
    public function offsetExists($offset)
    {
        return isset($this->children[$offset]);
    }


    /**
     * ArrayAccess interface
     *
     * @param int $offset offset
     *
     * @return null
     */
    public function offsetGet($offset)
    {
        return isset($this->children[$offset]) ? $this->children[$offset] : null;
    }

    /**
     * ArrayAccess interface
     *
     * @param int   $offset offset
     * @param mixed $value  value
     */
    public function offsetSet($offset, $value)
    {
        if (is_null($offset)) {
            $this->children[] = $value;
        } else {
            $this->children[$offset] = $value;
        }
    }

    /**
     * ArrayAccess interface
     *
     * @param int $offset offset
     */
    public function offsetUnset($offset)
    {
        unset($this->children[$offset]);
    }

    /**
     * Countable interface
     *
     * @return int
     */
    public function count()
    {
        return count($this->children);
    }

    /**
     * Iterator interface
     *
     * @return mixed
     */
    public function current()
    {
        return $this->children[$this->position];
    }

    /**
     * Iterator interface
     */
    public function next()
    {
        ++$this->position;
    }

    /**
     * Iterator interface
     *
     * @return int
     */
    public function key()
    {
        return $this->position;
    }

    /**
     * Iterator interface
     *
     * @return bool
     */
    public function valid()
    {
        return isset($this->children[$this->position]);
    }

    /**
     * Iterator interface
     */
    public function rewind()
    {
        $this->position = 0;
    }
}


1		<?php
2		/**
3		* GitElephant - An abstraction layer for git written in PHP
4		* Copyright (C) 2013 Matteo Giachino
5		*
6		* This program is free software: you can redistribute it and/or modify
7		* it under the terms of the GNU General Public License as published by
8		* the Free Software Foundation, either version 3 of the License, or
9		* (at your option) any later version.
10		*
11		* This program is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14		* GNU General Public License for more details.
15		*
16		* You should have received a copy of the GNU General Public License
17		* along with this program. If not, see [http://www.gnu.org/licenses/].
18		*/
19
20		namespace GitElephant\Objects;
21
22		use \GitElephant\Repository;
23		use \GitElephant\Command\LsTreeCommand;
24		use \GitElephant\Command\CatFileCommand;
25
26		/**
27		* An abstraction of a git tree
28		*
29		* Retrieve an object with array access, iterable and countable
30		* with a collection of Object at the given path of the repository
31		*
32		* @author Matteo Giachino <[email protected]>
33		*/
34		class Tree extends NodeObject implements \ArrayAccess, \Countable, \Iterator
35		{
36		/**
37		* @var string
38		*/
39		private $ref;
40
41		/**
42		* the cursor position
43		*
44		* @var int
45		*/
46		private $position;
47
48		/**
49		* the tree subject
50		*
51		* @var NodeObject
52		*/
53		private $subject;
54
55		/**
56		* tree children
57		*
58		* @var array
59		*/
60		private $children = [];
61
62		/**
63		* tree path children
64		*
65		* @var array
66		*/
67		private $pathChildren = [];
68
69		/**
70		* the blob of the actual tree
71		*
72		* @var \GitElephant\Objects\NodeObject
73		*/
74		private $blob;
75
76		/**
77		* static method to generate standalone log
78		*
79		* @param \GitElephant\Repository $repository repo
80		* @param array $outputLines output lines from command.log
81		*
82		* @return \GitElephant\Objects\Tree
83		*/
84		public static function createFromOutputLines(Repository $repository, array $outputLines)
85		{
86		$tree = new self($repository);
87		$tree->parseOutputLines($outputLines);
88
89		return $tree;
90		}
91
92		/**
93		* get the commit properties from command
94		*
95		* @see LsTreeCommand::tree
96		*/
97	15	private function createFromCommand()
98		{
99	15	$command = LsTreeCommand::getInstance($this->getRepository())->tree($this->ref, $this->subject);
100	15	$outputLines = $this->getCaller()->execute($command)->getOutputLines(true);
101	15	$this->parseOutputLines($outputLines);
102	15	}
103
104		/**
105		* Some path examples:
106		* empty string for root
107		* folder1/folder2
108		* folder1/folder2/filename
109		*
110		* @param \GitElephant\Repository $repository the repository
111		* @param string $ref a treeish reference
112		* @param NodeObject $subject the subject
113		*
114		* @throws \RuntimeException
115		* @throws \Symfony\Component\Process\Exception\RuntimeException
116		* @internal param \GitElephant\Objects\Object\|string $treeObject Object instance
117		*/
118	15	public function __construct(Repository $repository, $ref = 'HEAD', NodeObject $subject = null)
119		{
120	15	$this->position = 0;
121	15	$this->repository = $repository;
122	15	$this->ref = $ref;
123	15	$this->subject = $subject;
124	15	$this->createFromCommand();
125	15	}
126
127		/**
128		* parse the output of a git command showing a ls-tree
129		*
130		* @param array $outputLines output lines
131		*/
132	15	private function parseOutputLines(array $outputLines)
133		{
134	15	foreach ($outputLines as $line) {
135	15	$this->parseLine($line);
136		}
137	15	usort($this->children, [$this, 'sortChildren']);
138	15	$this->scanPathsForBlob($outputLines);
139	15	}
140
141		/**
142		* @return \GitElephant\Command\Caller\Caller
143		*/
144	15	private function getCaller()
145		{
146	15	return $this->getRepository()->getCaller();
147		}
148
149		/**
150		* get the current tree parent, null if root
151		*
152		* @return null\|string
153		*/
154		public function getParent()
155		{
156		if ($this->isRoot()) {
157		return null;
158		}
159
160		return substr($this->subject->getFullPath(), 0, strrpos($this->subject->getFullPath(), '/'));
161		}
162
163		/**
164		* tell if the tree created is the root of the repository
165		*
166		* @return bool
167		*/
168	15	public function isRoot()
169		{
170	15	return null === $this->subject;
171		}
172
173		/**
174		* tell if the path given is a blob path
175		*
176		* @return bool
177		*/
178	15	public function isBlob()
179		{
180	15	return isset($this->blob);
181		}
182
183		/**
184		* the current tree path is a binary file
185		*
186		* @return bool
187		*/
188		public function isBinary()
189		{
190		return $this->isRoot() ? false : NodeObject::TYPE_BLOB === $this->subject->getType();
191		}
192
193		/**
194		* get binary data
195		*
196		* @throws \RuntimeException
197		* @throws \Symfony\Component\Process\Exception\LogicException
198		* @throws \Symfony\Component\Process\Exception\InvalidArgumentException
199		* @throws \Symfony\Component\Process\Exception\RuntimeException
200		* @return string
201		*/
202		public function getBinaryData()
203		{
204		$cmd = CatFileCommand::getInstance($this->getRepository())->content($this->getSubject(), $this->ref);
205
206		return $this->getCaller()->execute($cmd)->getRawOutput();
207		}
208
209		/**
210		* Return an array like this
211		* 0 => array(
212		* 'path' => the path to the current element
213		* 'label' => the name of the current element
214		* ),
215		* 1 => array(),
216		* ...
217		*
218		* @return array
219		*/
220		public function getBreadcrumb()
221		{
222		$bc = [];
223		if (!$this->isRoot()) {
224		$arrayNames = explode('/', $this->subject->getFullPath());
225		$pathString = '';
226		foreach ($arrayNames as $i => $name) {
227		if ($this->isBlob() and $name === $this->blob->getName()) {
228		$bc[$i]['path'] = $pathString . $name;
229		$bc[$i]['label'] = $this->blob;
230		$pathString .= $name . '/';
231		} else {
232		$bc[$i]['path'] = $pathString . $name;
233		$bc[$i]['label'] = $name;
234		$pathString .= $name . '/';
235		}
236		}
237		}
238
239		return $bc;
240		}
241
242		/**
243		* check if the path is equals to a fullPath
244		* to tell if it's a blob
245		*
246		* @param array $outputLines output lines
247		*
248		* @return mixed
249		*/
250	15	private function scanPathsForBlob(array $outputLines)
251		{
252		// no children, empty folder or blob!
253	15	if (count($this->children) > 0) {
254	10	return;
255		}
256
257		// root, no blob
258	7	if ($this->isRoot()) {
259		return;
260		}
261
262	7	if (1 === count($outputLines)) {
263	7	$treeObject = NodeObject::createFromOutputLine($this->repository, $outputLines[0]);
264	7	if ($treeObject->getSha() === $this->subject->getSha()) {
265	7	$this->blob = $treeObject;
266		}
267		}
268	7	}
269
270		/**
271		* Reorder children of the tree
272		* Tree first (alphabetically) and then blobs (alphabetically)
273		*
274		* @param \GitElephant\Objects\NodeObject $a the first object
275		* @param \GitElephant\Objects\NodeObject $b the second object
276		*
277		* @return int
278		*/
279	7	private function sortChildren(NodeObject $a, NodeObject $b)
280		{
281	7	if ($a->getType() == $b->getType()) {
282	5	$names = [$a->getName(), $b->getName()];
283	5	sort($names);
284
285	5	return ($a->getName() === $names[0]) ? -1 : 1;
286		}
287
288	5	return $a->getType() == NodeObject::TYPE_TREE \|\| $b->getType() == NodeObject::TYPE_BLOB ? -1 : 1;
289		}
290
291		/**
292		* Parse a single line into pieces
293		*
294		* @param string $line a single line output from the git binary
295		*
296		* @return mixed
297		*/
298	15	private function parseLine($line)
299		{
300	15	if ($line == '') {
301		return;
302		}
303
304	15	$slices = NodeObject::getLineSlices($line);
305	15	if ($this->isBlob()) {
306		$this->pathChildren[] = $this->blob->getName();
307		} else {
308	15	if ($this->isRoot()) {
309		// if is root check for first children
310	9	$pattern = '/(\w+)\/(.*)/';
311	9	$replacement = '$1';
312		} else {
313		// filter by the children of the path
314	10	$actualPath = $this->subject->getFullPath();
315	10	if (!preg_match(sprintf('/^%s\/(\w*)/', preg_quote($actualPath, '/')), $slices['fullPath'])) {
316	7	return;
317		}
318	5	$pattern = sprintf('/^%s\/(\w*)/', preg_quote($actualPath, '/'));
319	5	$replacement = '$1';
320		}
321
322	10	$name = preg_replace($pattern, $replacement, $slices['fullPath']);
323	10	if (strpos($name, '/') !== false) {
324		return;
325		}
326
327	10	if (!in_array($name, $this->pathChildren)) {
328	10	$path = rtrim(rtrim($slices['fullPath'], $name), '/');
329	10	$treeObject = new TreeObject(
330	10	$this->repository,
331	10	$slices['permissions'],
332	10	$slices['type'],
333	10	$slices['sha'],
334	10	$slices['size'],
335		$name,
336		$path
337		);
338	10	$this->children[] = $treeObject;
339	10	$this->pathChildren[] = $name;
340		}
341		}
342	10	}
343
344		/**
345		* get the last commit message for this tree
346		*
347		* @param string $ref
348		*
349		* @throws \RuntimeException
350		* @return Commit\Message
351		*/
352		public function getLastCommitMessage($ref = 'master')
353		{
354		return $this->getLastCommit($ref)->getMessage();
355		}
356
357		/**
358		* get author of the last commit
359		*
360		* @param string $ref
361		*
362		* @throws \RuntimeException
363		* @return Author
364		*/
365		public function getLastCommitAuthor($ref = 'master')
366		{
367		return $this->getLastCommit($ref)->getAuthor();
368		}
369
370		/**
371		* get the last commit for a given treeish, for the actual tree
372		*
373		* @param string $ref
374		*
375		* @throws \RuntimeException
376		* @throws \Symfony\Component\Process\Exception\RuntimeException
377		* @return Commit
378		*/
379		public function getLastCommit($ref = 'master')
380		{
381		if ($this->isRoot()) {
382		return $this->getRepository()->getCommit($ref);
383		}
384		$log = $this->repository->getObjectLog($this->getObject(), $ref);
385
386		return $log[0];
387		}
388
389		/**
390		* get the tree object for this tree
391		*
392		* @return \GitElephant\Objects\NodeObject
393		*/
394	1	public function getObject()
395		{
396	1	return $this->isRoot() ? null : $this->getSubject();
397		}
398
399		/**
400		* Blob getter
401		*
402		* @return \GitElephant\Objects\NodeObject
403		*/
404	5	public function getBlob()
405		{
406	5	return $this->blob;
407		}
408
409		/**
410		* Get Subject
411		*
412		* @return \GitElephant\Objects\NodeObject
413		*/
414	1	public function getSubject()
415		{
416	1	return $this->subject;
417		}
418
419		/**
420		* Get Ref
421		*
422		* @return string
423		*/
424		public function getRef()
425		{
426		return $this->ref;
427		}
428
429		/**
430		* ArrayAccess interface
431		*
432		* @param int $offset offset
433		*
434		* @return bool
435		*/
436		public function offsetExists($offset)
437		{
438		return isset($this->children[$offset]);
439		}
440
441
442		/**
443		* ArrayAccess interface
444		*
445		* @param int $offset offset
446		*
447		* @return null
448		*/
449	8	public function offsetGet($offset)
450		{
451	8	return isset($this->children[$offset]) ? $this->children[$offset] : null;
452		}
453
454		/**
455		* ArrayAccess interface
456		*
457		* @param int $offset offset
458		* @param mixed $value value
459		*/
460		public function offsetSet($offset, $value)
461		{
462		if (is_null($offset)) {
463		$this->children[] = $value;
464		} else {
465		$this->children[$offset] = $value;
466		}
467		}
468
469		/**
470		* ArrayAccess interface
471		*
472		* @param int $offset offset
473		*/
474		public function offsetUnset($offset)
475		{
476		unset($this->children[$offset]);
477		}
478
479		/**
480		* Countable interface
481		*
482		* @return int
483		*/
484	4	public function count()
485		{
486	4	return count($this->children);
487		}
488
489		/**
490		* Iterator interface
491		*
492		* @return mixed
493		*/
494	1	public function current()
495		{
496	1	return $this->children[$this->position];
497		}
498
499		/**
500		* Iterator interface
501		*/
502	1	public function next()
503		{
504	1	++$this->position;
505	1	}
506
507		/**
508		* Iterator interface
509		*
510		* @return int
511		*/
512		public function key()
513		{
514		return $this->position;
515		}
516
517		/**
518		* Iterator interface
519		*
520		* @return bool
521		*/
522	1	public function valid()
523		{
524	1	return isset($this->children[$this->position]);
525		}
526
527		/**
528		* Iterator interface
529		*/
530	1	public function rewind()
531		{
532	1	$this->position = 0;
533	1	}
534		}
535

matteosister / GitElephant

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