Compiler::compile() - Code Metrics - secondtruth/php-phar-compiler - Measure and Improve Code Quality continuously with Scrutinizer

Compiler::compile() B
last analyzed 2021-03-16 15:34 UTC

↳ Parent: Compiler

Complexity

Conditions	7
Paths	19

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	43
rs	8.2986
c	0
b	0
f	0
cc	7
nc	19
nop	1

<?php
/*
 * PHAR Compiler Library
 * Copyright (C) 2021 Christian Neff
 *
 * Permission to use, copy, modify, and/or distribute this software for
 * any purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all copies.
 */

namespace Secondtruth\Compiler;

/**
 * The Compiler class creates PHAR archives
 *
 * @author   Fabien Potencier <[email protected]>
 * @author   Jordi Boggiano <[email protected]>
 * @author   Christian Neff <[email protected]>
 */
class Compiler
{
    /**
     * @var string
     */
    protected $path;

    /**
     * @var array
     */
    protected $files = array();

    /**
     * @var array
     */
    protected $index = array();

    /**
     * Creates a Compiler instance.
     *
     * @param string $path The root path of the project
     * @throws \LogicException if the creation of Phar archives is disabled in php.ini.
     */
    public function __construct($path)
    {
        if (ini_get('phar.readonly')) {
            throw new \LogicException('Creation of Phar archives is disabled in php.ini. Please make sure that "phar.readonly" is set to "off".');
        }

        $this->path = realpath($path);
    }

    /**
     * Compiles all files into a single PHAR file.
     *
     * @param string $outputFile The full name of the file to create
     * @throws \LogicException if no index files are defined.
     */
    public function compile($outputFile)
    {
        if (empty($this->index)) {
            throw new \LogicException('Cannot compile when no index files are defined.');
        }

        if (file_exists($outputFile)) {
            unlink($outputFile);
        }

        $name = basename($outputFile);
        $phar = new \Phar($outputFile, 0, $name);
        $phar->setSignatureAlgorithm(\Phar::SHA1);
        $phar->startBuffering();

        foreach ($this->files as $virtualFile => $fileInfo) {
            list($realFile, $strip) = $fileInfo;
            $content = file_get_contents($realFile);

            if ($strip) {
                $content = $this->stripWhitespace($content);
            }

            $phar->addFromString($virtualFile, $content);
        }

        foreach ($this->index as $type => $fileInfo) {
            list($virtualFile, $realFile) = $fileInfo;
            $content = file_get_contents($realFile);

            if ($type == 'cli') {
                $content = preg_replace('{^#!/usr/bin/env php\s*}', '', $content);
            }

            $phar->addFromString($virtualFile, $content);
        }

        $stub = $this->generateStub($name);
        $phar->setStub($stub);

        $phar->stopBuffering();
        unset($phar);
    }

    /**
     * Gets the root path of the project.
     *
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }

    /**
     * Gets list of all added files.
     *
     * @return array
     */
    public function getFiles()
    {
        return $this->files;
    }

    /**
     * Adds a file.
     *
     * @param string $file The name of the file relative to the project root
     * @param bool $strip Strip whitespace (Default: TRUE)
     */
    public function addFile($file, $strip = true)
    {
        $realFile = realpath($this->path . DIRECTORY_SEPARATOR . $file);
        $this->files[$file] = [$realFile, (bool) $strip];
    }

    /**
     * Adds files of the given directory recursively.
     *
     * @param string $directory The name of the directory relative to the project root
     * @param string|array $exclude List of file name patterns to exclude (optional)
     * @param bool $strip Strip whitespace (Default: TRUE)
     */
    public function addDirectory($directory, $exclude = null, $strip = true)
    {
        $realPath = realpath($this->path . DIRECTORY_SEPARATOR . $directory);
        $iterator = new \RecursiveDirectoryIterator(
            $realPath,
            \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::UNIX_PATHS | \FilesystemIterator::CURRENT_AS_SELF
        );

        if ((is_string($exclude) || is_array($exclude)) && !empty($exclude)) {
            $exclude = (array) $exclude;
            $iterator = new \RecursiveCallbackFilterIterator($iterator, function (\RecursiveDirectoryIterator $current) use ($exclude) {
                if ($current->isDir()) {
                    return true;
                }

                return $this->filter($current->getSubPathname(), $exclude);
            });
        }

        $iterator = new \RecursiveIteratorIterator($iterator);
        foreach ($iterator as $file) {
            /** @var \SplFileInfo $file */
            $virtualFile = substr($file->getPathName(), strlen($this->path) + 1);
            $this->addFile($virtualFile, $strip);
        }
    }

    /**
     * Gets list of defined index files.
     *
     * @return array
     */
    public function getIndexFiles()
    {
        return $this->index;
    }

    /**
     * Adds an index file.
     *
     * @param string $file The name of the file relative to the project root
     * @param string $type The SAPI type (Default: 'cli')
     */
    public function addIndexFile($file, $type = 'cli')
    {
        $type = strtolower($type);

        if (!in_array($type, ['cli', 'web'])) {
            throw new \InvalidArgumentException(sprintf('Index file type "%s" is invalid, must be one of: cli, web', $type));
        }

        $this->index[$type] = [$file, realpath($this->path . DIRECTORY_SEPARATOR . $file)];
    }

    /**
     * Gets list of all supported SAPIs.
     *
     * @return array
     */
    public function getSupportedSapis()
    {
        return array_keys($this->index);
    }

    /**
     * Returns whether the compiled program will support the given SAPI type.
     *
     * @param string $sapi The SAPI type
     * @return bool
     */
    public function supportsSapi($sapi)
    {
        return in_array((string) $sapi, $this->getSupportedSapis());
    }

    /**
     * Generates the stub.
     *
     * @param string $name The internal Phar name
     * @return string
     */
    protected function generateStub($name)
    {
        $stub = ['#!/usr/bin/env php', '<?php'];
        $stub[] = "Phar::mapPhar('$name');";
        $stub[] = "if (PHP_SAPI == 'cli') {";

        if (isset($this->index['cli'])) {
            $file = $this->index['cli'][0];
            $stub[] = " require 'phar://$name/$file';";
        } else {
            $stub[] = " exit('This program can not be invoked via the CLI version of PHP, use the Web interface instead.'.PHP_EOL);";
        }

        $stub[] = '} else {';

        if (isset($this->index['web'])) {
            $file = $this->index['web'][0];
            $stub[] = " require 'phar://$name/$file';";
        } else {
            $stub[] = " exit('This program can not be invoked via the Web interface, use the CLI version of PHP instead.'.PHP_EOL);";
        }

        $stub[] = '}';
        $stub[] = '__HALT_COMPILER();';

        return join("\n", $stub);
    }

    /**
     * Matches the given path.
     *
     * @param string $path
     * @param string $pattern
     * @return bool
     */
    protected function match($path, $pattern)
    {
        $inverted = false;

        if ($pattern[0] == '!') {
            $pattern = substr($pattern, 1);
            $inverted = true;
        }

        return fnmatch($pattern, $path) == ($inverted ? false : true);
    }

    /**
     * Filters the given path.
     *
     * @param string $path
     * @param array $patterns
     * @return bool
     */
    protected function filter($path, array $patterns)
    {
        foreach ($patterns as $pattern) {
            if ($this->match($path, $pattern)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Removes whitespace from a PHP source string while preserving line numbers.
     *
     * @param string $source A PHP string
     * @return string The PHP string with the whitespace removed
     */
    protected function stripWhitespace($source)
    {
        if (!function_exists('token_get_all')) {
            return $source;
        }

        $output = '';
        foreach (token_get_all($source) as $token) {
            if (is_string($token)) {
                $output .= $token;
            } elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
                $output .= str_repeat("\n", substr_count($token[1], "\n"));
            } elseif (T_WHITESPACE === $token[0]) {
                // reduce wide spaces
                $whitespace = preg_replace('{[ \t]+}', ' ', $token[1]);
                // normalize newlines to \n
                $whitespace = preg_replace('{(?:\r\n|\r|\n)}', "\n", $whitespace);
                // trim leading spaces
                $whitespace = preg_replace('{\n +}', "\n", $whitespace);
                $output .= $whitespace;
            } else {
                $output .= $token[1];
            }
        }

        return $output;
    }
}


1		<?php
2		/*
3		* PHAR Compiler Library
4		* Copyright (C) 2021 Christian Neff
5		*
6		* Permission to use, copy, modify, and/or distribute this software for
7		* any purpose with or without fee is hereby granted, provided that the
8		* above copyright notice and this permission notice appear in all copies.
9		*/
10
11		namespace Secondtruth\Compiler;
12
13		/**
14		* The Compiler class creates PHAR archives
15		*
16		* @author Fabien Potencier <[email protected]>
17		* @author Jordi Boggiano <[email protected]>
18		* @author Christian Neff <[email protected]>
19		*/
20		class Compiler
21		{
22		/**
23		* @var string
24		*/
25		protected $path;
26
27		/**
28		* @var array
29		*/
30		protected $files = array();
31
32		/**
33		* @var array
34		*/
35		protected $index = array();
36
37		/**
38		* Creates a Compiler instance.
39		*
40		* @param string $path The root path of the project
41		* @throws \LogicException if the creation of Phar archives is disabled in php.ini.
42		*/
43		public function __construct($path)
44		{
45		if (ini_get('phar.readonly')) {
46		throw new \LogicException('Creation of Phar archives is disabled in php.ini. Please make sure that "phar.readonly" is set to "off".');
47		}
48
49		$this->path = realpath($path);
50		}
51
52		/**
53		* Compiles all files into a single PHAR file.
54		*
55		* @param string $outputFile The full name of the file to create
56		* @throws \LogicException if no index files are defined.
57		*/
58		public function compile($outputFile)
59		{
60		if (empty($this->index)) {
61		throw new \LogicException('Cannot compile when no index files are defined.');
62		}
63
64		if (file_exists($outputFile)) {
65		unlink($outputFile);
66		}
67
68		$name = basename($outputFile);
69		$phar = new \Phar($outputFile, 0, $name);
70		$phar->setSignatureAlgorithm(\Phar::SHA1);
71		$phar->startBuffering();
72
73		foreach ($this->files as $virtualFile => $fileInfo) {
74		list($realFile, $strip) = $fileInfo;
75		$content = file_get_contents($realFile);
76
77		if ($strip) {
78		$content = $this->stripWhitespace($content);
79		}
80
81		$phar->addFromString($virtualFile, $content);
82		}
83
84		foreach ($this->index as $type => $fileInfo) {
85		list($virtualFile, $realFile) = $fileInfo;
86		$content = file_get_contents($realFile);
87
88		if ($type == 'cli') {
89		$content = preg_replace('{^#!/usr/bin/env php\s*}', '', $content);
90		}
91
92		$phar->addFromString($virtualFile, $content);
93		}
94
95		$stub = $this->generateStub($name);
96		$phar->setStub($stub);
97
98		$phar->stopBuffering();
99		unset($phar);
100		}
101
102		/**
103		* Gets the root path of the project.
104		*
105		* @return string
106		*/
107		public function getPath()
108		{
109		return $this->path;
110		}
111
112		/**
113		* Gets list of all added files.
114		*
115		* @return array
116		*/
117		public function getFiles()
118		{
119		return $this->files;
120		}
121
122		/**
123		* Adds a file.
124		*
125		* @param string $file The name of the file relative to the project root
126		* @param bool $strip Strip whitespace (Default: TRUE)
127		*/
128		public function addFile($file, $strip = true)
129		{
130		$realFile = realpath($this->path . DIRECTORY_SEPARATOR . $file);
131		$this->files[$file] = [$realFile, (bool) $strip];
132		}
133
134		/**
135		* Adds files of the given directory recursively.
136		*
137		* @param string $directory The name of the directory relative to the project root
138		* @param string\|array $exclude List of file name patterns to exclude (optional)
139		* @param bool $strip Strip whitespace (Default: TRUE)
140		*/
141		public function addDirectory($directory, $exclude = null, $strip = true)
142		{
143		$realPath = realpath($this->path . DIRECTORY_SEPARATOR . $directory);
144		$iterator = new \RecursiveDirectoryIterator(
145		$realPath,
146		\FilesystemIterator::SKIP_DOTS \| \FilesystemIterator::UNIX_PATHS \| \FilesystemIterator::CURRENT_AS_SELF
147		);
148
149		if ((is_string($exclude) \|\| is_array($exclude)) && !empty($exclude)) {
150		$exclude = (array) $exclude;
151		$iterator = new \RecursiveCallbackFilterIterator($iterator, function (\RecursiveDirectoryIterator $current) use ($exclude) {
152		if ($current->isDir()) {
153		return true;
154		}
155
156		return $this->filter($current->getSubPathname(), $exclude);
157		});
158		}
159
160		$iterator = new \RecursiveIteratorIterator($iterator);
161		foreach ($iterator as $file) {
162		/** @var \SplFileInfo $file */
163		$virtualFile = substr($file->getPathName(), strlen($this->path) + 1);
164		$this->addFile($virtualFile, $strip);
165		}
166		}
167
168		/**
169		* Gets list of defined index files.
170		*
171		* @return array
172		*/
173		public function getIndexFiles()
174		{
175		return $this->index;
176		}
177
178		/**
179		* Adds an index file.
180		*
181		* @param string $file The name of the file relative to the project root
182		* @param string $type The SAPI type (Default: 'cli')
183		*/
184		public function addIndexFile($file, $type = 'cli')
185		{
186		$type = strtolower($type);
187
188		if (!in_array($type, ['cli', 'web'])) {
189		throw new \InvalidArgumentException(sprintf('Index file type "%s" is invalid, must be one of: cli, web', $type));
190		}
191
192		$this->index[$type] = [$file, realpath($this->path . DIRECTORY_SEPARATOR . $file)];
193		}
194
195		/**
196		* Gets list of all supported SAPIs.
197		*
198		* @return array
199		*/
200		public function getSupportedSapis()
201		{
202		return array_keys($this->index);
203		}
204
205		/**
206		* Returns whether the compiled program will support the given SAPI type.
207		*
208		* @param string $sapi The SAPI type
209		* @return bool
210		*/
211		public function supportsSapi($sapi)
212		{
213		return in_array((string) $sapi, $this->getSupportedSapis());
214		}
215
216		/**
217		* Generates the stub.
218		*
219		* @param string $name The internal Phar name
220		* @return string
221		*/
222		protected function generateStub($name)
223		{
224		$stub = ['#!/usr/bin/env php', '<?php'];
225		$stub[] = "Phar::mapPhar('$name');";
226		$stub[] = "if (PHP_SAPI == 'cli') {";
227
228	View Code Duplication	if (isset($this->index['cli'])) {
229		$file = $this->index['cli'][0];
230		$stub[] = " require 'phar://$name/$file';";
231		} else {
232		$stub[] = " exit('This program can not be invoked via the CLI version of PHP, use the Web interface instead.'.PHP_EOL);";
233		}
234
235		$stub[] = '} else {';
236
237	View Code Duplication	if (isset($this->index['web'])) {
238		$file = $this->index['web'][0];
239		$stub[] = " require 'phar://$name/$file';";
240		} else {
241		$stub[] = " exit('This program can not be invoked via the Web interface, use the CLI version of PHP instead.'.PHP_EOL);";
242		}
243
244		$stub[] = '}';
245		$stub[] = '__HALT_COMPILER();';
246
247		return join("\n", $stub);
248		}
249
250		/**
251		* Matches the given path.
252		*
253		* @param string $path
254		* @param string $pattern
255		* @return bool
256		*/
257		protected function match($path, $pattern)
258		{
259		$inverted = false;
260
261		if ($pattern[0] == '!') {
262		$pattern = substr($pattern, 1);
263		$inverted = true;
264		}
265
266		return fnmatch($pattern, $path) == ($inverted ? false : true);
267		}
268
269		/**
270		* Filters the given path.
271		*
272		* @param string $path
273		* @param array $patterns
274		* @return bool
275		*/
276		protected function filter($path, array $patterns)
277		{
278		foreach ($patterns as $pattern) {
279		if ($this->match($path, $pattern)) {
280		return false;
281		}
282		}
283
284		return true;
285		}
286
287		/**
288		* Removes whitespace from a PHP source string while preserving line numbers.
289		*
290		* @param string $source A PHP string
291		* @return string The PHP string with the whitespace removed
292		*/
293		protected function stripWhitespace($source)
294		{
295		if (!function_exists('token_get_all')) {
296		return $source;
297		}
298
299		$output = '';
300		foreach (token_get_all($source) as $token) {
301		if (is_string($token)) {
302		$output .= $token;
303		} elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
304		$output .= str_repeat("\n", substr_count($token[1], "\n"));
305		} elseif (T_WHITESPACE === $token[0]) {
306		// reduce wide spaces
307		$whitespace = preg_replace('{[ \t]+}', ' ', $token[1]);
308		// normalize newlines to \n
309		$whitespace = preg_replace('{(?:\r\n\|\r\|\n)}', "\n", $whitespace);
310		// trim leading spaces
311		$whitespace = preg_replace('{\n +}', "\n", $whitespace);
312		$output .= $whitespace;
313		} else {
314		$output .= $token[1];
315		}
316		}
317
318		return $output;
319		}
320		}
321

secondtruth / php-phar-compiler

Compiler::compile() B last analyzed 2021-03-16 15:34 UTC

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Compiler::compile() B
last analyzed 2021-03-16 15:34 UTC