ArgvInput::parse() - Code Metrics - BruceGitHub/namespace-protector - Measure and Improve Code Quality continuously with Scrutinizer

ArgvInput::parse() B
last analyzed 2021-09-12 12:43 UTC

↳ Parent: ArgvInput

Complexity

Conditions	11
Paths	6

Size

Total Lines	15
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	13
c	1
b	0
f	0
dl	0
loc	15
rs	7.3166
cc	11
nc	6
nop	0

How to fix Complexity

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Input;

use Symfony\Component\Console\Exception\RuntimeException;

/**
 * ArgvInput represents an input coming from the CLI arguments.
 *
 * Usage:
 *
 *     $input = new ArgvInput();
 *
 * By default, the `$_SERVER['argv']` array is used for the input values.
 *
 * This can be overridden by explicitly passing the input values in the constructor:
 *
 *     $input = new ArgvInput($_SERVER['argv']);
 *
 * If you pass it yourself, don't forget that the first element of the array
 * is the name of the running application.
 *
 * When passing an argument to the constructor, be sure that it respects
 * the same rules as the argv one. It's almost always better to use the
 * `StringInput` when you want to provide your own input.
 *
 * @author Fabien Potencier <[email protected]>
 *
 * @see http://www.gnu.org/software/libc/manual/html_node/Argument-Syntax.html
 * @see http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap12.html#tag_12_02
 */
class ArgvInput extends Input
{
    private $tokens;
    private $parsed;

    public function __construct(array $argv = null, InputDefinition $definition = null)
    {
        $argv = $argv ?? $_SERVER['argv'] ?? [];

        // strip the application name
        array_shift($argv);

        $this->tokens = $argv;

        parent::__construct($definition);
    }

    protected function setTokens(array $tokens)
    {
        $this->tokens = $tokens;
    }

    /**
     * {@inheritdoc}
     */
    protected function parse()
    {
        $parseOptions = true;
        $this->parsed = $this->tokens;
        while (null !== $token = array_shift($this->parsed)) {
            if ($parseOptions && '' == $token) {
                $this->parseArgument($token);
            } elseif ($parseOptions && '--' == $token) {
                $parseOptions = false;
            } elseif ($parseOptions && 0 === strpos($token, '--')) {
                $this->parseLongOption($token);
            } elseif ($parseOptions && '-' === $token[0] && '-' !== $token) {
                $this->parseShortOption($token);
            } else {
                $this->parseArgument($token);
            }
        }
    }

    /**
     * Parses a short option.
     */
    private function parseShortOption(string $token)
    {
        $name = substr($token, 1);

        if (\strlen($name) > 1) {
            if ($this->definition->hasShortcut($name[0]) && $this->definition->getOptionForShortcut($name[0])->acceptValue()) {
                // an option with a value (with no space)
                $this->addShortOption($name[0], substr($name, 1));
            } else {
                $this->parseShortOptionSet($name);
            }
        } else {
            $this->addShortOption($name, null);
        }
    }

    /**
     * Parses a short option set.
     *
     * @throws RuntimeException When option given doesn't exist
     */
    private function parseShortOptionSet(string $name)
    {
        $len = \strlen($name);
        for ($i = 0; $i < $len; ++$i) {
            if (!$this->definition->hasShortcut($name[$i])) {
                $encoding = mb_detect_encoding($name, null, true);
                throw new RuntimeException(sprintf('The "-%s" option does not exist.', false === $encoding ? $name[$i] : mb_substr($name, $i, 1, $encoding)));
            }

            $option = $this->definition->getOptionForShortcut($name[$i]);
            if ($option->acceptValue()) {
                $this->addLongOption($option->getName(), $i === $len - 1 ? null : substr($name, $i + 1));

                break;
            } else {
                $this->addLongOption($option->getName(), null);
            }
        }
    }

    /**
     * Parses a long option.
     */
    private function parseLongOption(string $token)
    {
        $name = substr($token, 2);

        if (false !== $pos = strpos($name, '=')) {
            if (0 === \strlen($value = substr($name, $pos + 1))) {
                array_unshift($this->parsed, $value);
            }
            $this->addLongOption(substr($name, 0, $pos), $value);
        } else {
            $this->addLongOption($name, null);
        }
    }

    /**
     * Parses an argument.
     *
     * @throws RuntimeException When too many arguments are given
     */
    private function parseArgument(string $token)
    {
        $c = \count($this->arguments);

        // if input is expecting another argument, add it
        if ($this->definition->hasArgument($c)) {
            $arg = $this->definition->getArgument($c);
            $this->arguments[$arg->getName()] = $arg->isArray() ? [$token] : $token;

        // if last argument isArray(), append token to last argument
        } elseif ($this->definition->hasArgument($c - 1) && $this->definition->getArgument($c - 1)->isArray()) {
            $arg = $this->definition->getArgument($c - 1);
            $this->arguments[$arg->getName()][] = $token;

        // unexpected argument
        } else {
            $all = $this->definition->getArguments();
            $symfonyCommandName = null;
            if (($inputArgument = $all[$key = array_key_first($all)] ?? null) && 'command' === $inputArgument->getName()) {
                $symfonyCommandName = $this->arguments['command'] ?? null;
                unset($all[$key]);
            }

            if (\count($all)) {
                if ($symfonyCommandName) {
                    $message = sprintf('Too many arguments to "%s" command, expected arguments "%s".', $symfonyCommandName, implode('" "', array_keys($all)));
                } else {
                    $message = sprintf('Too many arguments, expected arguments "%s".', implode('" "', array_keys($all)));
                }
            } elseif ($symfonyCommandName) {
                $message = sprintf('No arguments expected for "%s" command, got "%s".', $symfonyCommandName, $token);
            } else {
                $message = sprintf('No arguments expected, got "%s".', $token);
            }

            throw new RuntimeException($message);
        }
    }

    /**
     * Adds a short option value.
     *
     * @throws RuntimeException When option given doesn't exist
     */
    private function addShortOption(string $shortcut, $value)
    {
        if (!$this->definition->hasShortcut($shortcut)) {
            throw new RuntimeException(sprintf('The "-%s" option does not exist.', $shortcut));
        }

        $this->addLongOption($this->definition->getOptionForShortcut($shortcut)->getName(), $value);
    }

    /**
     * Adds a long option value.
     *
     * @throws RuntimeException When option given doesn't exist
     */
    private function addLongOption(string $name, $value)
    {
        if (!$this->definition->hasOption($name)) {
            if (!$this->definition->hasNegation($name)) {
                throw new RuntimeException(sprintf('The "--%s" option does not exist.', $name));
            }

            $optionName = $this->definition->negationToName($name);
            if (null !== $value) {
                throw new RuntimeException(sprintf('The "--%s" option does not accept a value.', $name));
            }
            $this->options[$optionName] = false;

            return;
        }

        $option = $this->definition->getOption($name);

        if (null !== $value && !$option->acceptValue()) {
            throw new RuntimeException(sprintf('The "--%s" option does not accept a value.', $name));
        }

        if (\in_array($value, ['', null], true) && $option->acceptValue() && \count($this->parsed)) {
            // if option accepts an optional or mandatory argument
            // let's see if there is one provided
            $next = array_shift($this->parsed);
            if ((isset($next[0]) && '-' !== $next[0]) || \in_array($next, ['', null], true)) {
                $value = $next;
            } else {
                array_unshift($this->parsed, $next);
            }
        }

        if (null === $value) {
            if ($option->isValueRequired()) {
                throw new RuntimeException(sprintf('The "--%s" option requires a value.', $name));
            }

            if (!$option->isArray() && !$option->isValueOptional()) {
                $value = true;
            }
        }

        if ($option->isArray()) {
            $this->options[$name][] = $value;
        } else {
            $this->options[$name] = $value;
        }
    }

    /**
     * {@inheritdoc}
     */
    public function getFirstArgument()
    {
        $isOption = false;
        foreach ($this->tokens as $i => $token) {
            if ($token && '-' === $token[0]) {
                if (false !== strpos($token, '=') || !isset($this->tokens[$i + 1])) {
                    continue;
                }

                // If it's a long option, consider that everything after "--" is the option name.
                // Otherwise, use the last char (if it's a short option set, only the last one can take a value with space separator)
                $name = '-' === $token[1] ? substr($token, 2) : substr($token, -1);
                if (!isset($this->options[$name]) && !$this->definition->hasShortcut($name)) {
                    // noop
                } elseif ((isset($this->options[$name]) || isset($this->options[$name = $this->definition->shortcutToName($name)])) && $this->tokens[$i + 1] === $this->options[$name]) {
                    $isOption = true;
                }

                continue;
            }

            if ($isOption) {
                $isOption = false;
                continue;
            }

            return $token;
        }

        return null;
    }

    /**
     * {@inheritdoc}
     */
    public function hasParameterOption($values, bool $onlyParams = false)
    {
        $values = (array) $values;

        foreach ($this->tokens as $token) {
            if ($onlyParams && '--' === $token) {
                return false;
            }
            foreach ($values as $value) {
                // Options with values:
                //   For long options, test for '--option=' at beginning
                //   For short options, test for '-o' at beginning
                $leading = 0 === strpos($value, '--') ? $value.'=' : $value;
                if ($token === $value || '' !== $leading && 0 === strpos($token, $leading)) {
                    return true;
                }
            }
        }

        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function getParameterOption($values, $default = false, bool $onlyParams = false)
    {
        $values = (array) $values;
        $tokens = $this->tokens;

        while (0 < \count($tokens)) {
            $token = array_shift($tokens);
            if ($onlyParams && '--' === $token) {
                return $default;
            }

            foreach ($values as $value) {
                if ($token === $value) {
                    return array_shift($tokens);
                }
                // Options with values:
                //   For long options, test for '--option=' at beginning
                //   For short options, test for '-o' at beginning
                $leading = 0 === strpos($value, '--') ? $value.'=' : $value;
                if ('' !== $leading && 0 === strpos($token, $leading)) {
                    return substr($token, \strlen($leading));
                }
            }
        }

        return $default;
    }

    /**
     * Returns a stringified representation of the args passed to the command.
     *
     * @return string
     */
    public function __toString()
    {
        $tokens = array_map(function ($token) {
            if (preg_match('{^(-[^=]+=)(.+)}', $token, $match)) {
                return $match[1].$this->escapeToken($match[2]);
            }

            if ($token && '-' !== $token[0]) {
                return $this->escapeToken($token);
            }

            return $token;
        }, $this->tokens);

        return implode(' ', $tokens);
    }
}


1			<?php
2
3			/*
4			* This file is part of the Symfony package.
5			*
6			* (c) Fabien Potencier <[email protected]>
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11
12			namespace Symfony\Component\Console\Input;
13
14			use Symfony\Component\Console\Exception\RuntimeException;
15
16			/**
17			* ArgvInput represents an input coming from the CLI arguments.
18			*
19			* Usage:
20			*
21			* $input = new ArgvInput();
22			*
23			* By default, the `$_SERVER['argv']` array is used for the input values.
24			*
25			* This can be overridden by explicitly passing the input values in the constructor:
26			*
27			* $input = new ArgvInput($_SERVER['argv']);
28			*
29			* If you pass it yourself, don't forget that the first element of the array
30			* is the name of the running application.
31			*
32			* When passing an argument to the constructor, be sure that it respects
33			* the same rules as the argv one. It's almost always better to use the
34			* `StringInput` when you want to provide your own input.
35			*
36			* @author Fabien Potencier <[email protected]>
37			*
38			* @see http://www.gnu.org/software/libc/manual/html_node/Argument-Syntax.html
39			* @see http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap12.html#tag_12_02
40			*/
41			class ArgvInput extends Input
42			{
43			private $tokens;
44			private $parsed;
45
46			public function __construct(array $argv = null, InputDefinition $definition = null)
47			{
48			$argv = $argv ?? $_SERVER['argv'] ?? [];
49
50			// strip the application name
51			array_shift($argv);
52
53			$this->tokens = $argv;
54
55			parent::__construct($definition);
56			}
57
58			protected function setTokens(array $tokens)
59			{
60			$this->tokens = $tokens;
61			}
62
63			/**
64			* {@inheritdoc}
65			*/
66			protected function parse()
67			{
68			$parseOptions = true;
69			$this->parsed = $this->tokens;
70			while (null !== $token = array_shift($this->parsed)) {
71			if ($parseOptions && '' == $token) {
72			$this->parseArgument($token);
73			} elseif ($parseOptions && '--' == $token) {
74			$parseOptions = false;
75			} elseif ($parseOptions && 0 === strpos($token, '--')) {
76			$this->parseLongOption($token);
77			} elseif ($parseOptions && '-' === $token[0] && '-' !== $token) {
78			$this->parseShortOption($token);
79			} else {
80			$this->parseArgument($token);
81			}
82			}
83			}
84
85			/**
86			* Parses a short option.
87			*/
88			private function parseShortOption(string $token)
89			{
90			$name = substr($token, 1);
91
92			if (\strlen($name) > 1) {
93			if ($this->definition->hasShortcut($name[0]) && $this->definition->getOptionForShortcut($name[0])->acceptValue()) {
94			// an option with a value (with no space)
95			$this->addShortOption($name[0], substr($name, 1));
96			} else {
97			$this->parseShortOptionSet($name);
98			}
99			} else {
100			$this->addShortOption($name, null);
101			}
102			}
103
104			/**
105			* Parses a short option set.
106			*
107			* @throws RuntimeException When option given doesn't exist
108			*/
109			private function parseShortOptionSet(string $name)
110			{
111			$len = \strlen($name);
112			for ($i = 0; $i < $len; ++$i) {
113			if (!$this->definition->hasShortcut($name[$i])) {
114			$encoding = mb_detect_encoding($name, null, true);
115			throw new RuntimeException(sprintf('The "-%s" option does not exist.', false === $encoding ? $name[$i] : mb_substr($name, $i, 1, $encoding)));
116			}
117
118			$option = $this->definition->getOptionForShortcut($name[$i]);
119			if ($option->acceptValue()) {
120			$this->addLongOption($option->getName(), $i === $len - 1 ? null : substr($name, $i + 1));
121
122			break;
123			} else {
124			$this->addLongOption($option->getName(), null);
125			}
126			}
127			}
128
129			/**
130			* Parses a long option.
131			*/
132			private function parseLongOption(string $token)
133			{
134			$name = substr($token, 2);
135
136			if (false !== $pos = strpos($name, '=')) {
137			if (0 === \strlen($value = substr($name, $pos + 1))) {
138			array_unshift($this->parsed, $value);
139			}
140			$this->addLongOption(substr($name, 0, $pos), $value);
141			} else {
142			$this->addLongOption($name, null);
143			}
144			}
145
146			/**
147			* Parses an argument.
148			*
149			* @throws RuntimeException When too many arguments are given
150			*/
151			private function parseArgument(string $token)
152			{
153			$c = \count($this->arguments);
154
155			// if input is expecting another argument, add it
156			if ($this->definition->hasArgument($c)) {
157			$arg = $this->definition->getArgument($c);
158			$this->arguments[$arg->getName()] = $arg->isArray() ? [$token] : $token;
159
160			// if last argument isArray(), append token to last argument
161			} elseif ($this->definition->hasArgument($c - 1) && $this->definition->getArgument($c - 1)->isArray()) {
162			$arg = $this->definition->getArgument($c - 1);
163			$this->arguments[$arg->getName()][] = $token;
164
165			// unexpected argument
166			} else {
167			$all = $this->definition->getArguments();
168			$symfonyCommandName = null;
169			if (($inputArgument = $all[$key = array_key_first($all)] ?? null) && 'command' === $inputArgument->getName()) {
170			$symfonyCommandName = $this->arguments['command'] ?? null;
171			unset($all[$key]);
172			}
173
174			if (\count($all)) {
175			if ($symfonyCommandName) {
176			$message = sprintf('Too many arguments to "%s" command, expected arguments "%s".', $symfonyCommandName, implode('" "', array_keys($all)));
177			} else {
178			$message = sprintf('Too many arguments, expected arguments "%s".', implode('" "', array_keys($all)));
179			}
180			} elseif ($symfonyCommandName) {
181			$message = sprintf('No arguments expected for "%s" command, got "%s".', $symfonyCommandName, $token);
182			} else {
183			$message = sprintf('No arguments expected, got "%s".', $token);
184			}
185
186			throw new RuntimeException($message);
187			}
188			}
189
190			/**
191			* Adds a short option value.
192			*
193			* @throws RuntimeException When option given doesn't exist
194			*/
195			private function addShortOption(string $shortcut, $value)
196			{
197			if (!$this->definition->hasShortcut($shortcut)) {
198			throw new RuntimeException(sprintf('The "-%s" option does not exist.', $shortcut));
199			}
200
201			$this->addLongOption($this->definition->getOptionForShortcut($shortcut)->getName(), $value);
202			}
203
204			/**
205			* Adds a long option value.
206			*
207			* @throws RuntimeException When option given doesn't exist
208			*/
209			private function addLongOption(string $name, $value)
210			{
211			if (!$this->definition->hasOption($name)) {
212			if (!$this->definition->hasNegation($name)) {
213			throw new RuntimeException(sprintf('The "--%s" option does not exist.', $name));
214			}
215
216			$optionName = $this->definition->negationToName($name);
217			if (null !== $value) {
218			throw new RuntimeException(sprintf('The "--%s" option does not accept a value.', $name));
219			}
220			$this->options[$optionName] = false;
221
222			return;
223			}
224
225			$option = $this->definition->getOption($name);
226
227			if (null !== $value && !$option->acceptValue()) {
228			throw new RuntimeException(sprintf('The "--%s" option does not accept a value.', $name));
229			}
230
231			if (\in_array($value, ['', null], true) && $option->acceptValue() && \count($this->parsed)) {
232			// if option accepts an optional or mandatory argument
233			// let's see if there is one provided
234			$next = array_shift($this->parsed);
235			if ((isset($next[0]) && '-' !== $next[0]) \|\| \in_array($next, ['', null], true)) {
236			$value = $next;
237			} else {
238			array_unshift($this->parsed, $next);
239			}
240			}
241
242			if (null === $value) {
243			if ($option->isValueRequired()) {
244			throw new RuntimeException(sprintf('The "--%s" option requires a value.', $name));
245			}
246
247			if (!$option->isArray() && !$option->isValueOptional()) {
248			$value = true;
249			}
250			}
251
252			if ($option->isArray()) {
253			$this->options[$name][] = $value;
254			} else {
255			$this->options[$name] = $value;
256			}
257			}
258
259			/**
260			* {@inheritdoc}
261			*/
262			public function getFirstArgument()
263			{
264			$isOption = false;
265			foreach ($this->tokens as $i => $token) {
266			if ($token && '-' === $token[0]) {
267			if (false !== strpos($token, '=') \|\| !isset($this->tokens[$i + 1])) {
268			continue;
269			}
270
271			// If it's a long option, consider that everything after "--" is the option name.
272			// Otherwise, use the last char (if it's a short option set, only the last one can take a value with space separator)
273			$name = '-' === $token[1] ? substr($token, 2) : substr($token, -1);
274			if (!isset($this->options[$name]) && !$this->definition->hasShortcut($name)) {
275			// noop
276			} elseif ((isset($this->options[$name]) \|\| isset($this->options[$name = $this->definition->shortcutToName($name)])) && $this->tokens[$i + 1] === $this->options[$name]) {
277			$isOption = true;
278			}
279
280			continue;
281			}
282
283			if ($isOption) {
284			$isOption = false;
285			continue;
286			}
287
288			return $token;
289			}
290
291			return null;
292			}
293
294			/**
295			* {@inheritdoc}
296			*/
297			public function hasParameterOption($values, bool $onlyParams = false)
298			{
299			$values = (array) $values;
300
301			foreach ($this->tokens as $token) {
302			if ($onlyParams && '--' === $token) {
303			return false;
304			}
305			foreach ($values as $value) {
306			// Options with values:
307			// For long options, test for '--option=' at beginning
308			// For short options, test for '-o' at beginning
309			$leading = 0 === strpos($value, '--') ? $value.'=' : $value;
310			if ($token === $value \|\| '' !== $leading && 0 === strpos($token, $leading)) {
311			return true;
312			}
313			}
314			}
315
316			return false;
317			}
318
319			/**
320			* {@inheritdoc}
321			*/
322			public function getParameterOption($values, $default = false, bool $onlyParams = false)
323			{
324			$values = (array) $values;
325			$tokens = $this->tokens;
326
327			while (0 < \count($tokens)) {
328			$token = array_shift($tokens);
329			if ($onlyParams && '--' === $token) {
330			return $default;
331			}
332
333			foreach ($values as $value) {
334			if ($token === $value) {
335			return array_shift($tokens);
336			}
337			// Options with values:
338			// For long options, test for '--option=' at beginning
339			// For short options, test for '-o' at beginning
340			$leading = 0 === strpos($value, '--') ? $value.'=' : $value;
341			if ('' !== $leading && 0 === strpos($token, $leading)) {
342			return substr($token, \strlen($leading));
343			}
344			}
345			}
346
347			return $default;
348			}
349
350			/**
351			* Returns a stringified representation of the args passed to the command.
352			*
353			* @return string
354			*/
355			public function __toString()
356			{
357			$tokens = array_map(function ($token) {
358			if (preg_match('{^(-[^=]+=)(.+)}', $token, $match)) {
359			return $match[1].$this->escapeToken($match[2]);
360			}
361
362			if ($token && '-' !== $token[0]) {
363			return $this->escapeToken($token);
364			}
365
366			return $token;
367			}, $this->tokens);
368
369			return implode(' ', $tokens);
370			}
371			}
372

BruceGitHub / namespace-protector

ArgvInput::parse() B last analyzed 2021-09-12 12:43 UTC

Complexity

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Duplication

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Long Method

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ArgvInput::parse() B
last analyzed 2021-09-12 12:43 UTC