FileUtils::renameFile() - Code Metrics - Inspection of "[FileUtil] split up long method (#1564)" - phingofficial/phing - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — main ( 322a86...2c83d5 )

by Siad

created 2021-04-01 14:50 UTC

FileUtils::renameFile() B

↳ Parent: FileUtils

Complexity

Conditions	8
Paths	12

Size

Total Lines	23
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	12.6306

Importance

Changes

Metric	Value
cc	8
eloc	12
nc	12
nop	3
dl	0
loc	23
ccs	7
cts	12
cp	0.5833
crap	12.6306
rs	8.4444
c	0
b	0
f	0

<?php
/**
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://phing.info>.
 */

namespace Phing\Io;

use Exception;
use Phing\Exception\BuildException;
use Phing\Filter\ChainReaderHelper;
use Phing\Phing;
use Phing\Project;
use Phing\Util\Character;
use Phing\Util\StringHelper;

/**
 * File utility class.
 * - handles os independent stuff etc
 * - mapper stuff
 * - filter stuff
 *
 */
class FileUtils
{
    /**
     * path separator string, static, obtained from FileSystem (; or :)
     */
    private static $pathSeparator;

    /**
     * separator string, static, obtained from FileSystem
     */
    private static $separator;

    /**
     * @var false
     */
    private $dosWithDrive;

    /**
     * @return string
     * @throws IOException
     */
    public static function getPathSeparator(): string
    {
        if (self::$pathSeparator === null) {
            self::$pathSeparator = FileSystem::getFileSystem()->getPathSeparator();
        }
        return self::$pathSeparator;
    }

    /**
     * @return string
     * @throws IOException
     */
    public static function getSeparator(): string
    {
        if (self::$separator === null) {
            self::$separator = FileSystem::getFileSystem()->getSeparator();
        }
        return self::$separator;
    }

    /**
     * Returns the path to the temp directory.
     *
     * @return string
     */
    public static function getTempDir()
    {
        return Phing::getProperty('php.tmpdir');
    }

    /**
     * Returns the default file/dir creation mask value
     * (The mask value is prepared w.r.t the current user's file-creation mask value)
     *
     * @param bool $dirmode Directory creation mask to select
     *
     * @return int  Creation Mask in octal representation
     */
    public static function getDefaultFileCreationMask($dirmode = false): int
    {
        // Preparing the creation mask base permission
        $permission = ($dirmode === true) ? 0777 : 0666;

        // Default mask information
        $defaultmask = sprintf('%03o', ($permission & ($permission - (int) sprintf('%04o', umask()))));

        return octdec($defaultmask);

    }

    /**
     * Returns a new Reader with filterchains applied.  If filterchains are empty,
     * simply returns passed reader.
     *
     * @param Reader $in Reader to modify (if appropriate).
     * @param array   &$filterChains filter chains to apply.
     * @return Reader  Assembled Reader (w/ filter chains).
     */
    public static function getChainedReader(Reader $in, &$filterChains, Project $project)
    {
        if (!empty($filterChains)) {
            $crh = new ChainReaderHelper();
            $crh->setBufferSize(65536); // 64k buffer, but isn't being used (yet?)
            $crh->setPrimaryReader($in);
            $crh->setFilterChains($filterChains);
            $crh->setProject($project);
            return $crh->getAssembledReader();
        }

        return $in;
    }

    /**
     * Copies a file using filter chains.
     *
     * @param File $sourceFile
     * @param File $destFile
     * @param Project $project
     * @param bool $overwrite
     * @param bool $preserveLastModified
     * @param array $filterChains
     * @param int $mode
     * @param bool $preservePermissions
     * @param int $granularity
     * @throws IOException
     */
    public function copyFile(
        File $sourceFile,
        File $destFile,
        Project $project,
        $overwrite = false,
        $preserveLastModified = true,
        &$filterChains = null,
        $mode = 0755,
        $preservePermissions = true,
        int $granularity = 0
    ) {
        if (
            $overwrite
            || !$destFile->exists()
            || $destFile->lastModified() < $sourceFile->lastModified() - $granularity
        ) {
            if ($destFile->exists() && ($destFile->isFile() || $destFile->isLink())) {
                $destFile->delete();
            }

            // ensure that parent dir of dest file exists!
            $parent = $destFile->getParentFile();
            if ($parent !== null && !$parent->exists()) {
                // Setting source directory permissions to target
                // (On permissions preservation, the target directory permissions
                // will be inherited from the source directory, otherwise the 'mode'
                // will be used)
                $dirMode = ($preservePermissions ? $sourceFile->getParentFile()->getMode() : $mode);

                $parent->mkdirs($dirMode);
            }

            if ((is_array($filterChains)) && (!empty($filterChains))) {
                $in = self::getChainedReader(new BufferedReader(new FileReader($sourceFile)), $filterChains, $project);
                $out = new BufferedWriter(new FileWriter($destFile));

                // New read() methods returns a big buffer.
                while (-1 !== ($buffer = $in->read())) { // -1 indicates EOF
                    $out->write($buffer);
                }

                if ($in !== null) {
                    $in->close();
                }
                if ($out !== null) {
                    $out->close();
                }

                // Set/Copy the permissions on the target
                if ($preservePermissions === true) {
                    $destFile->setMode($sourceFile->getMode());
                }
            } else {
                // simple copy (no filtering)
                $sourceFile->copyTo($destFile);

                // By default, PHP::Copy also copies the file permissions. Therefore,
                // re-setting the mode with the "user file-creation mask" information.
                if ($preservePermissions === false) {
                    $destFile->setMode(FileUtils::getDefaultFileCreationMask());
                }
            }

            if ($preserveLastModified && !$destFile->isLink()) {
                $destFile->setLastModified($sourceFile->lastModified());
            }
        }
    }

    /**
     * Attempts to rename a file from a source to a destination.
     * If overwrite is set to true, this method overwrites existing file even if the destination file is newer.
     * Otherwise, the source file is renamed only if the destination file is older than it.
     *
     * @throws IOException
     */
    public function renameFile(File $sourceFile, File $destFile, $overwrite = false): void
    {
        // ensure that parent dir of dest file exists!
        $parent = $destFile->getParentFile();
        if ($parent !== null) {
            if (!$parent->exists()) {
                $parent->mkdirs();
            }
        }

        if ($overwrite || !$destFile->exists() || $destFile->lastModified() < $sourceFile->lastModified()) {
            if ($destFile->exists()) {
                try {
                    $destFile->delete();
                } catch (Exception $e) {
                    throw new BuildException(
                        "Unable to remove existing file " . $destFile->__toString() . ": " . $e->getMessage()
                    );
                }
            }
        }

        $sourceFile->renameTo($destFile);
    }

    /**
     * Interpret the filename as a file relative to the given file -
     * unless the filename already represents an absolute filename.
     *
     * @param File $file the "reference" file for relative paths. This
     *                             instance must be an absolute file and must
     *                             not contain ./ or ../ sequences (same for \
     *                             instead of /).
     * @param string $filename a file name
     *
     * @return File A PhingFile object pointing to an absolute file that doesn't contain ./ or ../ sequences
     *                   and uses the correct separator for the current platform.
     * @throws IOException
     *
     */
    public function resolveFile(File $file, string $filename): File
    {
        // remove this and use the static class constant File::separator
        // as soon as ZE2 is ready
        $fs = FileSystem::getFileSystem();

        $filename = str_replace(['\\', '/'], $fs->getSeparator(), $filename);

        // deal with absolute files
        if (
            StringHelper::startsWith($fs->getSeparator(), $filename)
            || (strlen($filename) >= 2
                && Character::isLetter($filename[0])
                && $filename[1] === ':')
        ) {
            return new File($this->normalize($filename));
        }

        if (strlen($filename) >= 2 && Character::isLetter($filename[0]) && $filename[1] === ':') {
            return new File($this->normalize($filename));
        }

        $helpFile = new File($file->getAbsolutePath());

        $tok = strtok($filename, $fs->getSeparator());
        while ($tok !== false) {
            $part = $tok;
            if ($part === '..') {
                $parentFile = $helpFile->getParent();
                if ($parentFile === null) {
                    $msg = "The file or path you specified ($filename) is invalid relative to " . $file->getPath();
                    throw new IOException($msg);
                }
                $helpFile = new File($parentFile);
            } elseif ($part !== '.') {
                $helpFile = new File($helpFile, $part);
            }
            $tok = strtok($fs->getSeparator());
        }

        return new File($helpFile->getAbsolutePath());
    }

    /**
     * Normalize the given absolute path.
     *
     * This includes:
     *   - Uppercase the drive letter if there is one.
     *   - Remove redundant slashes after the drive spec.
     *   - resolve all ./, .\, ../ and ..\ sequences.
     *   - DOS style paths that start with a drive letter will have
     *     \ as the separator.
     *
     * @param string $path Path to normalize.
     *
     * @return string
     * @throws IOException
     * @throws BuildException
     */
    public function normalize(string $path): string
    {
        $dissect = $this->dissect($path);
        $sep = self::getSeparator();

        $s = [];
        $s[] = $dissect[0];
        $tok = strtok($dissect[1], $sep);
        while ($tok !== false) {
            $thisToken = $tok;
            if ("." === $thisToken) {
                $tok = strtok($sep);
                continue;
            }

            if (".." === $thisToken) {
                if (count($s) < 2) {
                    // using '..' in path that is too short
                    throw new IOException("Cannot resolve path: $path");
                }

                array_pop($s);
            } else { // plain component
                $s[] = $thisToken;
            }
            $tok = strtok($sep);
        }

        $sb = "";
        foreach ($s as $i => $v) {
            if ($i > 1) {
                // not before the filesystem root and not after it, since root
                // already contains one
                $sb .= $sep;
            }
            $sb .= $v;
        }

        $path = $sb;
        if ($this->dosWithDrive === true) {
            $path = str_replace('/', '\\', $path);
        }

        return $path;
    }

    /**
     * Dissect the specified absolute path.
     * @param string $path
     * @return array {root, remainig path}
     * @throws BuildException
     * @throws IOException
     */
    public function dissect(string $path): array
    {
        $sep = self::getSeparator();
        $path = str_replace(['\\', '/'], $sep, $path);

        // make sure we are dealing with an absolute path
        if (
            !StringHelper::startsWith($sep, $path)
            && !(strlen($path) >= 2
                && Character::isLetter($path[0])
                && $path[1] === ':')
        ) {
            throw new BuildException("$path is not an absolute path");
        }

        $this->dosWithDrive = false;
        $root = null;

        // Eliminate consecutive slashes after the drive spec

        if (strlen($path) >= 2 && Character::isLetter($path[0]) && $path[1] === ':') {
            $this->dosWithDrive = true;
$answer = 42;

$correct = false;

$correct = (bool) $answer;

            $ca = str_replace('/', '\\', $path);

            $path = strtoupper($ca[0]) . ':';

            for ($i = 2, $_i = strlen($ca); $i < $_i; $i++) {
                if (
                    ($ca[$i] !== '\\')
                    || ($ca[$i] === '\\'
                        && $ca[$i - 1] !== '\\')
                ) {
                    $path .= $ca[$i];
                }
            }

            $path = str_replace('\\', $sep, $path);

            if (strlen($path) === 2) {
                $root = $path;
                $path = "";
            } else {
                $root = substr($path, 0, 3);
                $path = substr($path, 3);
            }
        } else {
            if (strlen($path) === 1) {
                $root = $sep;
                $path = "";
            } else {
                if ($path[1] === $sep) {
                    // UNC drive
                    $root = $sep . $sep;
                    $path = substr($path, 2);
                } else {
                    $root = $sep;
                    $path = substr($path, 1);
                }
            }
        }

        return [$root, $path];
    }

    /**
     * Create a temporary file in a given directory.
     *
     * <p>The file denoted by the returned abstract pathname did not
     * exist before this method was invoked, any subsequent invocation
     * of this method will yield a different file name.</p>
     *
     * @param string $prefix prefix before the random number.
     * @param string $suffix file extension; include the '.'.
     * @param File $parentDir Directory to create the temporary file in;
     *                                sys_get_temp_dir() used if not specified.
     * @param bool $deleteOnExit whether to set the tempfile for deletion on
     *                                normal exit.
     * @param bool $createFile true if the file must actually be created. If false
     *                                chances exist that a file with the same name is
     *                                created in the time between invoking this method
     *                                and the moment the file is actually created. If
     *                                possible set to true.
     * @return File            a File reference to the new temporary file.
     * @throws BuildException
     */
    public function createTempFile(
        $prefix,
        $suffix,
        File $parentDir = null,
        $deleteOnExit = false,
        $createFile = false
    ): File {
        $result = null;
        $parent = ($parentDir === null) ? self::getTempDir() : $parentDir->getPath();

        if ($createFile) {
            try {
                $directory = new File($parent);
                // quick but efficient hack to create a unique filename ;-)
                $result = null;

                do {
                    $result = new File($directory, $prefix . substr(md5(time()), 0, 8) . $suffix);
                } while (file_exists($result->getPath()));

                $fs = FileSystem::getFileSystem();
                $fs->createNewFile($result->getPath());
                $fs->lock($result);
            } catch (IOException $e) {
                throw new BuildException("Could not create tempfile in " . $parent, $e);
            }
        } else {
            do {
                $result = new File($parent, $prefix . substr(md5((string) time()), 0, 8) . $suffix);
            } while ($result->exists());
        }

        if ($deleteOnExit) {
            $result->deleteOnExit();
        }

        return $result;
    }

    /**
     * @param File $file1
     * @param File $file2
     * @return bool Whether contents of two files is the same.
     * @throws IOException
     */
    public function contentEquals(File $file1, File $file2): bool
    {
        if (!($file1->exists() && $file2->exists())) {
            return false;
        }

        if (!($file1->canRead() && $file2->canRead())) {
            return false;
        }

        if ($file1->isDirectory() || $file2->isDirectory()) {
            return false;
        }

        $c1 = file_get_contents($file1->getAbsolutePath());
        $c2 = file_get_contents($file2->getAbsolutePath());

        return trim($c1) === trim($c2);
    }
}


1		<?php
2		/**
3		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
4		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
5		* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
6		* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
7		* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
8		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
9		* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10		* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
11		* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13		* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
14		*
15		* This software consists of voluntary contributions made by many individuals
16		* and is licensed under the LGPL. For more information please see
17		* <http://phing.info>.
18		*/
19
20		namespace Phing\Io;
21
22		use Exception;
23		use Phing\Exception\BuildException;
24		use Phing\Filter\ChainReaderHelper;
25		use Phing\Phing;
26		use Phing\Project;
27		use Phing\Util\Character;
28		use Phing\Util\StringHelper;
29
30		/**
31		* File utility class.
32		* - handles os independent stuff etc
33		* - mapper stuff
34		* - filter stuff
35		*
36		*/
37		class FileUtils
38		{
39		/**
40		* path separator string, static, obtained from FileSystem (; or :)
41		*/
42		private static $pathSeparator;
43
44		/**
45		* separator string, static, obtained from FileSystem
46		*/
47		private static $separator;
48
49		/**
50		* @var false
51		*/
52		private $dosWithDrive;
53
54		/**
55		* @return string
56		* @throws IOException
57		*/
58	4	public static function getPathSeparator(): string
59		{
60	4	if (self::$pathSeparator === null) {
61		self::$pathSeparator = FileSystem::getFileSystem()->getPathSeparator();
62		}
63	4	return self::$pathSeparator;
64		}
65
66		/**
67		* @return string
68		* @throws IOException
69		*/
70	889	public static function getSeparator(): string
71		{
72	889	if (self::$separator === null) {
73		self::$separator = FileSystem::getFileSystem()->getSeparator();
74		}
75	889	return self::$separator;
76		}
77
78		/**
79		* Returns the path to the temp directory.
80		*
81		* @return string
82		*/
83	9	public static function getTempDir()
84		{
85	9	return Phing::getProperty('php.tmpdir');
86		}
87
88		/**
89		* Returns the default file/dir creation mask value
90		* (The mask value is prepared w.r.t the current user's file-creation mask value)
91		*
92		* @param bool $dirmode Directory creation mask to select
93		*
94		* @return int Creation Mask in octal representation
95		*/
96		public static function getDefaultFileCreationMask($dirmode = false): int
97		{
98		// Preparing the creation mask base permission
99		$permission = ($dirmode === true) ? 0777 : 0666;
100
101		// Default mask information
102		$defaultmask = sprintf('%03o', ($permission & ($permission - (int) sprintf('%04o', umask()))));
103
104		return octdec($defaultmask);
		0 ignored issues – show Bug Best Practice introduced 2021-04-01 14:50 UTC by Report Bug Copy Issue Report The expression `return octdec($defaultmask)` could return the type `double` which is incompatible with the type-hinted return `integer`. Consider adding an additional type-check to rule them out. Loading history...
105		}
106
107		/**
108		* Returns a new Reader with filterchains applied. If filterchains are empty,
109		* simply returns passed reader.
110		*
111		* @param Reader $in Reader to modify (if appropriate).
112		* @param array &$filterChains filter chains to apply.
113		* @return Reader Assembled Reader (w/ filter chains).
114		*/
115	37	public static function getChainedReader(Reader $in, &$filterChains, Project $project)
116		{
117	37	if (!empty($filterChains)) {
118	28	$crh = new ChainReaderHelper();
119	28	$crh->setBufferSize(65536); // 64k buffer, but isn't being used (yet?)
120	28	$crh->setPrimaryReader($in);
121	28	$crh->setFilterChains($filterChains);
122	28	$crh->setProject($project);
123	28	return $crh->getAssembledReader();
124		}
125
126	10	return $in;
127		}
128
129		/**
130		* Copies a file using filter chains.
131		*
132		* @param File $sourceFile
133		* @param File $destFile
134		* @param Project $project
135		* @param bool $overwrite
136		* @param bool $preserveLastModified
137		* @param array $filterChains
138		* @param int $mode
139		* @param bool $preservePermissions
140		* @param int $granularity
141		* @throws IOException
142		*/
143	49	public function copyFile(
144		File $sourceFile,
145		File $destFile,
146		Project $project,
147		$overwrite = false,
148		$preserveLastModified = true,
149		&$filterChains = null,
150		$mode = 0755,
151		$preservePermissions = true,
152		int $granularity = 0
153		) {
154		if (
155	49	$overwrite
156	39	\|\| !$destFile->exists()
157	49	\|\| $destFile->lastModified() < $sourceFile->lastModified() - $granularity
158		) {
159	48	if ($destFile->exists() && ($destFile->isFile() \|\| $destFile->isLink())) {
160	1	$destFile->delete();
161		}
162
163		// ensure that parent dir of dest file exists!
164	48	$parent = $destFile->getParentFile();
165	48	if ($parent !== null && !$parent->exists()) {
166		// Setting source directory permissions to target
167		// (On permissions preservation, the target directory permissions
168		// will be inherited from the source directory, otherwise the 'mode'
169		// will be used)
170	3	$dirMode = ($preservePermissions ? $sourceFile->getParentFile()->getMode() : $mode);
171
172	3	$parent->mkdirs($dirMode);
173		}
174
175	48	if ((is_array($filterChains)) && (!empty($filterChains))) {
176	21	$in = self::getChainedReader(new BufferedReader(new FileReader($sourceFile)), $filterChains, $project);
177	21	$out = new BufferedWriter(new FileWriter($destFile));
178
179		// New read() methods returns a big buffer.
180	21	while (-1 !== ($buffer = $in->read())) { // -1 indicates EOF
181	21	$out->write($buffer);
182		}
183
184	21	if ($in !== null) {
185	21	$in->close();
186		}
187	21	if ($out !== null) {
188	21	$out->close();
189		}
190
191		// Set/Copy the permissions on the target
192	21	if ($preservePermissions === true) {
193	21	$destFile->setMode($sourceFile->getMode());
194		}
195		} else {
196		// simple copy (no filtering)
197	27	$sourceFile->copyTo($destFile);
198
199		// By default, PHP::Copy also copies the file permissions. Therefore,
200		// re-setting the mode with the "user file-creation mask" information.
201	27	if ($preservePermissions === false) {
202		$destFile->setMode(FileUtils::getDefaultFileCreationMask());
203		}
204		}
205
206	48	if ($preserveLastModified && !$destFile->isLink()) {
207	2	$destFile->setLastModified($sourceFile->lastModified());
208		}
209		}
210	49	}
211
212		/**
213		* Attempts to rename a file from a source to a destination.
214		* If overwrite is set to true, this method overwrites existing file even if the destination file is newer.
215		* Otherwise, the source file is renamed only if the destination file is older than it.
216		*
217		* @throws IOException
218		*/
219	1	public function renameFile(File $sourceFile, File $destFile, $overwrite = false): void
220		{
221		// ensure that parent dir of dest file exists!
222	1	$parent = $destFile->getParentFile();
223	1	if ($parent !== null) {
224	1	if (!$parent->exists()) {
225		$parent->mkdirs();
226		}
227		}
228
229	1	if ($overwrite \|\| !$destFile->exists() \|\| $destFile->lastModified() < $sourceFile->lastModified()) {
230	1	if ($destFile->exists()) {
231		try {
232		$destFile->delete();
233		} catch (Exception $e) {
234		throw new BuildException(
235		"Unable to remove existing file " . $destFile->__toString() . ": " . $e->getMessage()
236		);
237		}
238		}
239		}
240
241	1	$sourceFile->renameTo($destFile);
242	1	}
243
244		/**
245		* Interpret the filename as a file relative to the given file -
246		* unless the filename already represents an absolute filename.
247		*
248		* @param File $file the "reference" file for relative paths. This
249		* instance must be an absolute file and must
250		* not contain ./ or ../ sequences (same for \
251		* instead of /).
252		* @param string $filename a file name
253		*
254		* @return File A PhingFile object pointing to an absolute file that doesn't contain ./ or ../ sequences
255		* and uses the correct separator for the current platform.
256		* @throws IOException
257		*
258		*/
259	476	public function resolveFile(File $file, string $filename): File
260		{
261		// remove this and use the static class constant File::separator
262		// as soon as ZE2 is ready
263	476	$fs = FileSystem::getFileSystem();
264
265	476	$filename = str_replace(['\\', '/'], $fs->getSeparator(), $filename);
266
267		// deal with absolute files
268		if (
269	476	StringHelper::startsWith($fs->getSeparator(), $filename)
270	451	\|\| (strlen($filename) >= 2
271	451	&& Character::isLetter($filename[0])
272	476	&& $filename[1] === ':')
273		) {
274	105	return new File($this->normalize($filename));
275		}
276
277	451	if (strlen($filename) >= 2 && Character::isLetter($filename[0]) && $filename[1] === ':') {
278		return new File($this->normalize($filename));
279		}
280
281	451	$helpFile = new File($file->getAbsolutePath());
282
283	451	$tok = strtok($filename, $fs->getSeparator());
284	451	while ($tok !== false) {
285	451	$part = $tok;
286	451	if ($part === '..') {
287	170	$parentFile = $helpFile->getParent();
288	170	if ($parentFile === null) {
289		$msg = "The file or path you specified ($filename) is invalid relative to " . $file->getPath();
290		throw new IOException($msg);
291		}
292	170	$helpFile = new File($parentFile);
293	451	} elseif ($part !== '.') {
294	425	$helpFile = new File($helpFile, $part);
295		}
296	451	$tok = strtok($fs->getSeparator());
297		}
298
299	451	return new File($helpFile->getAbsolutePath());
300		}
301
302		/**
303		* Normalize the given absolute path.
304		*
305		* This includes:
306		* - Uppercase the drive letter if there is one.
307		* - Remove redundant slashes after the drive spec.
308		* - resolve all ./, .\, ../ and ..\ sequences.
309		* - DOS style paths that start with a drive letter will have
310		* \ as the separator.
311		*
312		* @param string $path Path to normalize.
313		*
314		* @return string
315		* @throws IOException
316		* @throws BuildException
317		*/
318	873	public function normalize(string $path): string
319		{
320	873	$dissect = $this->dissect($path);
321	873	$sep = self::getSeparator();
322
323	873	$s = [];
324	873	$s[] = $dissect[0];
325	873	$tok = strtok($dissect[1], $sep);
326	873	while ($tok !== false) {
327	870	$thisToken = $tok;
328	870	if ("." === $thisToken) {
329		$tok = strtok($sep);
330		continue;
331		}
332
333	870	if (".." === $thisToken) {
334	1	if (count($s) < 2) {
335		// using '..' in path that is too short
336		throw new IOException("Cannot resolve path: $path");
337		}
338
339	1	array_pop($s);
340		} else { // plain component
341	870	$s[] = $thisToken;
342		}
343	870	$tok = strtok($sep);
344		}
345
346	873	$sb = "";
347	873	foreach ($s as $i => $v) {
348	873	if ($i > 1) {
349		// not before the filesystem root and not after it, since root
350		// already contains one
351	870	$sb .= $sep;
352		}
353	873	$sb .= $v;
354		}
355
356	873	$path = $sb;
357	873	if ($this->dosWithDrive === true) {
358		$path = str_replace('/', '\\', $path);
359		}
360
361	873	return $path;
362		}
363
364		/**
365		* Dissect the specified absolute path.
366		* @param string $path
367		* @return array {root, remainig path}
368		* @throws BuildException
369		* @throws IOException
370		*/
371	873	public function dissect(string $path): array
372		{
373	873	$sep = self::getSeparator();
374	873	$path = str_replace(['\\', '/'], $sep, $path);
375
376		// make sure we are dealing with an absolute path
377		if (
378	873	!StringHelper::startsWith($sep, $path)
379		&& !(strlen($path) >= 2
380		&& Character::isLetter($path[0])
381	873	&& $path[1] === ':')
382		) {
383		throw new BuildException("$path is not an absolute path");
384		}
385
386	873	$this->dosWithDrive = false;
387	873	$root = null;
388
389		// Eliminate consecutive slashes after the drive spec
390
391	873	if (strlen($path) >= 2 && Character::isLetter($path[0]) && $path[1] === ':') {
392		$this->dosWithDrive = true;
		0 ignored issues – show Documentation Bug introduced 2021-04-01 14:50 UTC by Report Bug Copy Issue Report The property `$dosWithDrive` was declared of type `false`, but `true` is of type `true`. Maybe add a type cast? This check looks for assignments to scalar types that may be of the wrong type. To ensure the code behaves as expected, it may be a good idea to add an explicit type cast. $answer = 42; $correct = false; $correct = (bool) $answer; Loading history...
393
394		$ca = str_replace('/', '\\', $path);
395
396		$path = strtoupper($ca[0]) . ':';
397
398		for ($i = 2, $_i = strlen($ca); $i < $_i; $i++) {
399		if (
400		($ca[$i] !== '\\')
401		\|\| ($ca[$i] === '\\'
402		&& $ca[$i - 1] !== '\\')
403		) {
404		$path .= $ca[$i];
405		}
406		}
407
408		$path = str_replace('\\', $sep, $path);
409
410		if (strlen($path) === 2) {
411		$root = $path;
412		$path = "";
413		} else {
414		$root = substr($path, 0, 3);
415		$path = substr($path, 3);
416		}
417		} else {
418	873	if (strlen($path) === 1) {
419	3	$root = $sep;
420	3	$path = "";
421		} else {
422	870	if ($path[1] === $sep) {
423		// UNC drive
424		$root = $sep . $sep;
425		$path = substr($path, 2);
426		} else {
427	870	$root = $sep;
428	870	$path = substr($path, 1);
429		}
430		}
431		}
432
433	873	return [$root, $path];
434		}
435
436		/**
437		* Create a temporary file in a given directory.
438		*
439		* <p>The file denoted by the returned abstract pathname did not
440		* exist before this method was invoked, any subsequent invocation
441		* of this method will yield a different file name.</p>
442		*
443		* @param string $prefix prefix before the random number.
444		* @param string $suffix file extension; include the '.'.
445		* @param File $parentDir Directory to create the temporary file in;
446		* sys_get_temp_dir() used if not specified.
447		* @param bool $deleteOnExit whether to set the tempfile for deletion on
448		* normal exit.
449		* @param bool $createFile true if the file must actually be created. If false
450		* chances exist that a file with the same name is
451		* created in the time between invoking this method
452		* and the moment the file is actually created. If
453		* possible set to true.
454		* @return File a File reference to the new temporary file.
455		* @throws BuildException
456		*/
457	1	public function createTempFile(
458		$prefix,
459		$suffix,
460		File $parentDir = null,
461		$deleteOnExit = false,
462		$createFile = false
463		): File {
464	1	$result = null;
465	1	$parent = ($parentDir === null) ? self::getTempDir() : $parentDir->getPath();
466
467	1	if ($createFile) {
468		try {
469		$directory = new File($parent);
470		// quick but efficient hack to create a unique filename ;-)
471		$result = null;
		0 ignored issues – show Unused Code introduced 2019-07-31 09:36 UTC by Report Bug Copy Issue Report The assignment to `$result` is dead and can be removed. Loading history...
472		do {
473		$result = new File($directory, $prefix . substr(md5(time()), 0, 8) . $suffix);
474		} while (file_exists($result->getPath()));
475
476		$fs = FileSystem::getFileSystem();
477		$fs->createNewFile($result->getPath());
478		$fs->lock($result);
479		} catch (IOException $e) {
480		throw new BuildException("Could not create tempfile in " . $parent, $e);
481		}
482		} else {
483		do {
484	1	$result = new File($parent, $prefix . substr(md5((string) time()), 0, 8) . $suffix);
485	1	} while ($result->exists());
486		}
487
488	1	if ($deleteOnExit) {
489		$result->deleteOnExit();
490		}
491
492	1	return $result;
493		}
494
495		/**
496		* @param File $file1
497		* @param File $file2
498		* @return bool Whether contents of two files is the same.
499		* @throws IOException
500		*/
501	14	public function contentEquals(File $file1, File $file2): bool
502		{
503	14	if (!($file1->exists() && $file2->exists())) {
504	2	return false;
505		}
506
507	13	if (!($file1->canRead() && $file2->canRead())) {
508		return false;
509		}
510
511	13	if ($file1->isDirectory() \|\| $file2->isDirectory()) {
512	1	return false;
513		}
514
515	13	$c1 = file_get_contents($file1->getAbsolutePath());
516	13	$c2 = file_get_contents($file2->getAbsolutePath());
517
518	13	return trim($c1) === trim($c2);
519		}
520		}
521

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FileUtils::renameFile() B

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