FileUtils::copyFile() - Code Metrics - Inspection of "Adjusted filter regex" - phingofficial/phing - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( e1f86a...4e1a3a )

by Siad

created 2021-01-24 21:08 UTC

FileUtils::copyFile() D

↳ Parent: FileUtils

Complexity

Conditions	19
Paths	121

Size

Total Lines	65
Code Lines	27

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	25
CRAP Score	19.0206

Importance

Changes

Metric	Value
cc	19
eloc	27
nc	121
nop	9
dl	0
loc	65
ccs	25
cts	26
cp	0.9615
crap	19.0206
rs	4.3416
c	0
b	0
f	0

How to fix Long Method Complexity Many Parameters

<?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
 *
 * @package phing.util
 */
class FileUtils
{
    /**
     * path separator string, static, obtained from FileSystem (; or :)
     */
    private static $pathSeparator;

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

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

    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 boolean $dirmode Directory creation mask to select
     *
     * @return int  Creation Mask in octal representation
     */
    public static function getDefaultFileCreationMask($dirmode = false)
    {

        // 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.
     * @param Project $project
     * @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);
            $rdr = $crh->getAssembledReader();

            return $rdr;
        }

        return $in;
    }

    /**
     * Copies a file using filter chains.
     *
     * @param File $sourceFile
     * @param File $destFile
     * @param boolean $overwrite
     * @param boolean $preserveLastModified
     * @param array $filterChains
     * @param Project $project
     * @param integer $mode
     * @param bool $preservePermissions
     * @param int $granularity
     * @return void
     * @throws Exception
     * @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(false));
                }
            }

            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.
     *
     * @param File $sourceFile
     * @param File $destFile
     * @return void
     */
    public function renameFile(File $sourceFile, File $destFile, $overwrite = false)
    {
        // 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, $filename)
    {
        // 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 $path Path to normalize.
     *
     * @return string
     * @throws IOException
     *
     */
    public function normalize($path)
    {
        $path = (string) $path;
        $orig = $path;

        $path = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $path);

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

        $dosWithDrive = false;
        $root = null;

        // Eliminate consecutive slashes after the drive spec

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

            $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('\\', DIRECTORY_SEPARATOR, $path);

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

        $s = [];
        $s[] = $root;
        $tok = strtok($path, DIRECTORY_SEPARATOR);
        while ($tok !== false) {
            $thisToken = $tok;
            if ("." === $thisToken) {
                $tok = strtok(DIRECTORY_SEPARATOR);
                continue;
            }

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

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

        $sb = "";
        for ($i = 0, $_i = count($s); $i < $_i; $i++) {
            if ($i > 1) {
                // not before the filesystem root and not after it, since root
                // already contains one
                $sb .= DIRECTORY_SEPARATOR;
            }
            $sb .= (string) $s[$i];
        }


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

        return $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 boolean $deleteOnExit whether to set the tempfile for deletion on
     *                                normal exit.
     * @param boolean $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
    ) {
        $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 boolean Whether contents of two files is the same.
     */
    public function contentEquals(File $file1, File $file2)
    {
        if (!($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		* @package phing.util
37		*/
38		class FileUtils
39		{
40		/**
41		* path separator string, static, obtained from FileSystem (; or :)
42		*/
43		private static $pathSeparator;
44
45		/**
46		* separator string, static, obtained from FileSystem
47		*/
48		private static $separator;
49
50	4	public static function getPathSeparator(): string
51		{
52	4	if (self::$pathSeparator === null) {
53		self::$pathSeparator = FileSystem::getFileSystem()->getPathSeparator();
54		}
55	4	return self::$pathSeparator;
56		}
57
58	853	public static function getSeparator(): string
59		{
60	853	if (self::$separator === null) {
61		self::$separator = FileSystem::getFileSystem()->getSeparator();
62		}
63	853	return self::$separator;
64		}
65
66		/**
67		* Returns the path to the temp directory.
68		*
69		* @return string
70		*/
71	9	public static function getTempDir()
72		{
73	9	return Phing::getProperty('php.tmpdir');
74		}
75
76		/**
77		* Returns the default file/dir creation mask value
78		* (The mask value is prepared w.r.t the current user's file-creation mask value)
79		*
80		* @param boolean $dirmode Directory creation mask to select
81		*
82		* @return int Creation Mask in octal representation
83		*/
84		public static function getDefaultFileCreationMask($dirmode = false)
85		{
86
87		// Preparing the creation mask base permission
88		$permission = ($dirmode === true) ? 0777 : 0666;
89
90		// Default mask information
91		$defaultmask = sprintf('%03o', ($permission & ($permission - (int) sprintf('%04o', umask()))));
92
93		return octdec($defaultmask);
94		}
95
96		/**
97		* Returns a new Reader with filterchains applied. If filterchains are empty,
98		* simply returns passed reader.
99		*
100		* @param Reader $in Reader to modify (if appropriate).
101		* @param array &$filterChains filter chains to apply.
102		* @param Project $project
103		* @return Reader Assembled Reader (w/ filter chains).
104		*/
105	36	public static function getChainedReader(Reader $in, &$filterChains, Project $project)
106		{
107	36	if (!empty($filterChains)) {
108	27	$crh = new ChainReaderHelper();
109	27	$crh->setBufferSize(65536); // 64k buffer, but isn't being used (yet?)
110	27	$crh->setPrimaryReader($in);
111	27	$crh->setFilterChains($filterChains);
112	27	$crh->setProject($project);
113	27	$rdr = $crh->getAssembledReader();
114
115	27	return $rdr;
116		}
117
118	10	return $in;
119		}
120
121		/**
122		* Copies a file using filter chains.
123		*
124		* @param File $sourceFile
125		* @param File $destFile
126		* @param boolean $overwrite
127		* @param boolean $preserveLastModified
128		* @param array $filterChains
129		* @param Project $project
130		* @param integer $mode
131		* @param bool $preservePermissions
132		* @param int $granularity
133		* @return void
134		* @throws Exception
135		* @throws IOException
136		*/
137	49	public function copyFile(
138		File $sourceFile,
139		File $destFile,
140		Project $project,
141		$overwrite = false,
142		$preserveLastModified = true,
143		&$filterChains = null,
144		$mode = 0755,
145		$preservePermissions = true,
146		int $granularity = 0
147		) {
148		if (
149	49	$overwrite
150	39	\|\| !$destFile->exists()
151	49	\|\| $destFile->lastModified() < $sourceFile->lastModified() - $granularity
152		) {
153	48	if ($destFile->exists() && ($destFile->isFile() \|\| $destFile->isLink())) {
154	1	$destFile->delete();
155		}
156
157		// ensure that parent dir of dest file exists!
158	48	$parent = $destFile->getParentFile();
159	48	if ($parent !== null && !$parent->exists()) {
160		// Setting source directory permissions to target
161		// (On permissions preservation, the target directory permissions
162		// will be inherited from the source directory, otherwise the 'mode'
163		// will be used)
164	3	$dirMode = ($preservePermissions ? $sourceFile->getParentFile()->getMode() : $mode);
165
166	3	$parent->mkdirs($dirMode);
167		}
168
169	48	if ((is_array($filterChains)) && (!empty($filterChains))) {
170	21	$in = self::getChainedReader(new BufferedReader(new FileReader($sourceFile)), $filterChains, $project);
171	21	$out = new BufferedWriter(new FileWriter($destFile));
172
173		// New read() methods returns a big buffer.
174	21	while (-1 !== ($buffer = $in->read())) { // -1 indicates EOF
175	21	$out->write($buffer);
176		}
177
178	21	if ($in !== null) {
179	21	$in->close();
180		}
181	21	if ($out !== null) {
182	21	$out->close();
183		}
184
185		// Set/Copy the permissions on the target
186	21	if ($preservePermissions === true) {
187	21	$destFile->setMode($sourceFile->getMode());
188		}
189		} else {
190		// simple copy (no filtering)
191	27	$sourceFile->copyTo($destFile);
192
193		// By default, PHP::Copy also copies the file permissions. Therefore,
194		// re-setting the mode with the "user file-creation mask" information.
195	27	if ($preservePermissions === false) {
196		$destFile->setMode(FileUtils::getDefaultFileCreationMask(false));
197		}
198		}
199
200	48	if ($preserveLastModified && !$destFile->isLink()) {
201	2	$destFile->setLastModified($sourceFile->lastModified());
202		}
203		}
204	49	}
205
206
207		/**
208		* Attempts to rename a file from a source to a destination.
209		* If overwrite is set to true, this method overwrites existing file even if the destination file is newer.
210		* Otherwise, the source file is renamed only if the destination file is older than it.
211		*
212		* @param File $sourceFile
213		* @param File $destFile
214		* @return void
215		*/
216	1	public function renameFile(File $sourceFile, File $destFile, $overwrite = false)
217		{
218		// ensure that parent dir of dest file exists!
219	1	$parent = $destFile->getParentFile();
220	1	if ($parent !== null) {
221	1	if (!$parent->exists()) {
222		$parent->mkdirs();
223		}
224		}
225
226	1	if ($overwrite \|\| !$destFile->exists() \|\| $destFile->lastModified() < $sourceFile->lastModified()) {
227	1	if ($destFile->exists()) {
228		try {
229		$destFile->delete();
230		} catch (Exception $e) {
231		throw new BuildException(
232		"Unable to remove existing file " . $destFile->__toString() . ": " . $e->getMessage()
233		);
234		}
235		}
236		}
237
238	1	$sourceFile->renameTo($destFile);
239	1	}
240
241		/**
242		* Interpret the filename as a file relative to the given file -
243		* unless the filename already represents an absolute filename.
244		*
245		* @param File $file the "reference" file for relative paths. This
246		* instance must be an absolute file and must
247		* not contain ./ or ../ sequences (same for \
248		* instead of /).
249		* @param string $filename a file name
250		*
251		* @return File A PhingFile object pointing to an absolute file that doesn't contain ./ or ../ sequences
252		* and uses the correct separator for the current platform.
253		* @throws IOException
254		*
255		*/
256	464	public function resolveFile($file, $filename)
257		{
258		// remove this and use the static class constant File::separator
259		// as soon as ZE2 is ready
260	464	$fs = FileSystem::getFileSystem();
261
262	464	$filename = str_replace(['\\', '/'], $fs->getSeparator(), $filename);
263
264		// deal with absolute files
265		if (
266	464	StringHelper::startsWith($fs->getSeparator(), $filename)
267	439	\|\| (strlen($filename) >= 2
268	439	&& Character::isLetter($filename[0])
269	464	&& $filename[1] === ':')
270		) {
271	105	return new File($this->normalize($filename));
272		}
273
274	439	if (strlen($filename) >= 2 && Character::isLetter($filename[0]) && $filename[1] === ':') {
275		return new File($this->normalize($filename));
276		}
277
278	439	$helpFile = new File($file->getAbsolutePath());
279
280	439	$tok = strtok($filename, $fs->getSeparator());
281	439	while ($tok !== false) {
282	439	$part = $tok;
283	439	if ($part === '..') {
284	170	$parentFile = $helpFile->getParent();
285	170	if ($parentFile === null) {
286		$msg = "The file or path you specified ($filename) is invalid relative to " . $file->getPath();
287		throw new IOException($msg);
288		}
289	170	$helpFile = new File($parentFile);
290	439	} elseif ($part !== '.') {
291	413	$helpFile = new File($helpFile, $part);
292		}
293	439	$tok = strtok($fs->getSeparator());
294		}
295
296	439	return new File($helpFile->getAbsolutePath());
297		}
298
299		/**
300		* Normalize the given absolute path.
301		*
302		* This includes:
303		* - Uppercase the drive letter if there is one.
304		* - Remove redundant slashes after the drive spec.
305		* - resolve all ./, .\, ../ and ..\ sequences.
306		* - DOS style paths that start with a drive letter will have
307		* \ as the separator.
308		*
309		* @param string $path Path to normalize.
310		*
311		* @return string
312		* @throws IOException
313		*
314		*/
315	853	public function normalize($path)
316		{
317	853	$path = (string) $path;
318	853	$orig = $path;
319
320	853	$path = str_replace(['\\', '/'], DIRECTORY_SEPARATOR, $path);
321
322		// make sure we are dealing with an absolute path
323		if (
324	853	!StringHelper::startsWith(DIRECTORY_SEPARATOR, $path)
325		&& !(strlen($path) >= 2
326		&& Character::isLetter($path[0])
327	853	&& $path[1] === ':')
328		) {
329		throw new IOException("$path is not an absolute path");
330		}
331
332	853	$dosWithDrive = false;
333	853	$root = null;
334
335		// Eliminate consecutive slashes after the drive spec
336
337	853	if (strlen($path) >= 2 && Character::isLetter($path[0]) && $path[1] === ':') {
338		$dosWithDrive = true;
339
340		$ca = str_replace('/', '\\', $path);
341
342		$path = strtoupper($ca[0]) . ':';
343
344		for ($i = 2, $_i = strlen($ca); $i < $_i; $i++) {
345		if (
346		($ca[$i] !== '\\')
347		\|\| ($ca[$i] === '\\'
348		&& $ca[$i - 1] !== '\\')
349		) {
350		$path .= $ca[$i];
351		}
352		}
353
354		$path = str_replace('\\', DIRECTORY_SEPARATOR, $path);
355
356		if (strlen($path) == 2) {
357		$root = $path;
358		$path = "";
359		} else {
360		$root = substr($path, 0, 3);
361		$path = substr($path, 3);
362		}
363		} else {
364	853	if (strlen($path) == 1) {
365	3	$root = DIRECTORY_SEPARATOR;
366	3	$path = "";
367		} else {
368	850	if ($path[1] == DIRECTORY_SEPARATOR) {
369		// UNC drive
370		$root = DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR;
371		$path = substr($path, 2);
372		} else {
373	850	$root = DIRECTORY_SEPARATOR;
374	850	$path = substr($path, 1);
375		}
376		}
377		}
378
379	853	$s = [];
380	853	$s[] = $root;
381	853	$tok = strtok($path, DIRECTORY_SEPARATOR);
382	853	while ($tok !== false) {
383	850	$thisToken = $tok;
384	850	if ("." === $thisToken) {
385		$tok = strtok(DIRECTORY_SEPARATOR);
386		continue;
387		}
388
389	850	if (".." === $thisToken) {
390	1	if (count($s) < 2) {
391		// using '..' in path that is too short
392		throw new IOException("Cannot resolve path: $orig");
393		}
394
395	1	array_pop($s);
396		} else { // plain component
397	850	$s[] = $thisToken;
398		}
399	850	$tok = strtok(DIRECTORY_SEPARATOR);
400		}
401
402	853	$sb = "";
403	853	for ($i = 0, $_i = count($s); $i < $_i; $i++) {
404	853	if ($i > 1) {
405		// not before the filesystem root and not after it, since root
406		// already contains one
407	850	$sb .= DIRECTORY_SEPARATOR;
408		}
409	853	$sb .= (string) $s[$i];
410		}
411
412
413	853	$path = (string) $sb;
414	853	if ($dosWithDrive === true) {
415		$path = str_replace('/', '\\', $path);
416		}
417
418	853	return $path;
419		}
420
421		/**
422		* Create a temporary file in a given directory.
423		*
424		* <p>The file denoted by the returned abstract pathname did not
425		* exist before this method was invoked, any subsequent invocation
426		* of this method will yield a different file name.</p>
427		*
428		* @param string $prefix prefix before the random number.
429		* @param string $suffix file extension; include the '.'.
430		* @param File $parentDir Directory to create the temporary file in;
431		* sys_get_temp_dir() used if not specified.
432		* @param boolean $deleteOnExit whether to set the tempfile for deletion on
433		* normal exit.
434		* @param boolean $createFile true if the file must actually be created. If false
435		* chances exist that a file with the same name is
436		* created in the time between invoking this method
437		* and the moment the file is actually created. If
438		* possible set to true.
439		* @return File a File reference to the new temporary file.
440		* @throws BuildException
441		*/
442	1	public function createTempFile(
443		$prefix,
444		$suffix,
445		File $parentDir = null,
446		$deleteOnExit = false,
447		$createFile = false
448		) {
449	1	$result = null;
450	1	$parent = ($parentDir === null) ? self::getTempDir() : $parentDir->getPath();
451
452	1	if ($createFile) {
453		try {
454		$directory = new File($parent);
455		// quick but efficient hack to create a unique filename ;-)
456		$result = null;
		0 ignored issues – show Unused Code introduced 2019-07-31 09:36 UTC by Report Bug Copy Issue Report The assignment to `$result` is dead and can be removed. Loading history...
457		do {
458		$result = new File($directory, $prefix . substr(md5(time()), 0, 8) . $suffix);
459		} while (file_exists($result->getPath()));
460
461		$fs = FileSystem::getFileSystem();
462		$fs->createNewFile($result->getPath());
463		$fs->lock($result);
464		} catch (IOException $e) {
465		throw new BuildException("Could not create tempfile in " . $parent, $e);
466		}
467		} else {
468		do {
469	1	$result = new File($parent, $prefix . substr(md5((string) time()), 0, 8) . $suffix);
470	1	} while ($result->exists());
471		}
472
473	1	if ($deleteOnExit) {
474		$result->deleteOnExit();
475		}
476
477	1	return $result;
478		}
479
480		/**
481		* @param File $file1
482		* @param File $file2
483		*
484		* @return boolean Whether contents of two files is the same.
485		*/
486	14	public function contentEquals(File $file1, File $file2)
487		{
488	14	if (!($file1->exists() && $file2->exists())) {
489	2	return false;
490		}
491
492	13	if (!($file1->canRead() && $file2->canRead())) {
493		return false;
494		}
495
496	13	if ($file1->isDirectory() \|\| $file2->isDirectory()) {
497	1	return false;
498		}
499
500	13	$c1 = file_get_contents($file1->getAbsolutePath());
501	13	$c2 = file_get_contents($file2->getAbsolutePath());
502
503	13	return trim($c1) == trim($c2);
504		}
505		}
506

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FileUtils::copyFile() D

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