Parser::isValidArgumentValue() - Code Metrics - Inspection of "Merge pull request #133 from mark-gerarts/122-opti..." - thephpleague/climate - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 96a0ab...78df53 )

by Craig

created 2018-10-06 16:00 UTC

Parser::isValidArgumentValue() A

↳ Parent: Parser

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1
crap	1

<?php

namespace League\CLImate\Argument;

use League\CLImate\Exceptions\InvalidArgumentException;

class Parser
{
    /**
     * Filter class to find various types of arguments
     *
     * @var \League\CLImate\Argument\Filter $filter
     */
    protected $filter;

    /**
     * Summary builder class
     *
     * @var \League\CLImate\Argument\Summary $summary
     */
    protected $summary;

    protected $trailing;

    public function __construct()
    {
        $this->summary = new Summary();
    }

    /**
     * @param Filter $filter
     * @param Argument[] $arguments
     *
     * @return \League\CLImate\Argument\Parser
     */
    public function setFilter($filter, $arguments)
    {
        $this->filter = $filter;
        $this->filter->setArguments($arguments);

        return $this;
    }

    /**
     * Parse command line arguments into CLImate arguments.
     *
     * @param array $argv
     *
     * @return void
     * @throws InvalidArgumentException if required arguments aren't defined.
     */
    public function parse(array $argv = null)
    {
        $cliArguments = $this->arguments($argv);

        if (in_array('--', $cliArguments)) {
            $cliArguments = $this->removeTrailingArguments($cliArguments);
        }

        $unParsedArguments = $this->prefixedArguments($cliArguments);

        $this->nonPrefixedArguments($unParsedArguments);

        // After parsing find out which arguments were required but not
        // defined on the command line.
        $missingArguments = $this->filter->missing();

        if (count($missingArguments) > 0) {
            throw new InvalidArgumentException(
                'The following arguments are required: '
                . $this->summary->short($missingArguments) . '.'
            );
        }
    }

    /**
     * Get the command name.
     *
     * @param array $argv
     *
     * @return string
     */
    public function command(array $argv = null)
    {
        return $this->getCommandAndArguments($argv)['command'];
    }

    /**
     * Get the passed arguments.
     *
     * @param array $argv
     *
     * @return array
     */
    public function arguments(array $argv = null)
    {
        return $this->getCommandAndArguments($argv)['arguments'];
    }

    /**
     * Get the trailing arguments
     *
     * @return string|null
     */
    public function trailing()
    {
        return $this->trailing;
    }

    /**
     * Remove the trailing arguments from the parser and set them aside
     *
     * @param array $arguments
     *
     * @return array
     */
    protected function removeTrailingArguments(array $arguments)
    {
        $trailing = array_splice($arguments, array_search('--', $arguments));
        array_shift($trailing);
        $this->trailing = implode(' ', $trailing);

        return $arguments;
    }

    /**
     * Parse command line options into prefixed CLImate arguments.
     *
     * Prefixed arguments are arguments with a prefix (-) or a long prefix (--)
     * on the command line.
     *
     * Return the arguments passed on the command line that didn't match up with
     * prefixed arguments so they can be assigned to non-prefixed arguments.
     *
     * @param array $argv
     * @return array
     */
    protected function prefixedArguments(array $argv = [])
    {
        foreach ($argv as $key => $passed_argument) {
            $argv = $this->trySettingArgumentValue($argv, $key, $passed_argument);
        }

        // Send un-parsed arguments back upstream.
        return array_values($argv);
    }

    /**
     * Parse unset command line options into non-prefixed CLImate arguments.
     *
     * Non-prefixed arguments are parsed after the prefixed arguments on the
     * command line, in the order that they're defined in the script.
     *
     * @param array $unParsedArguments
     */
    protected function nonPrefixedArguments(array $unParsedArguments = [])
    {
        foreach ($this->filter->withoutPrefix() as $key => $argument) {
            if (isset($unParsedArguments[$key])) {
                $argument->setValue($unParsedArguments[$key]);
            }
        }
    }

    /**
     * Parse the name and value of the argument passed in
     *
     * @param string $cliArgument
     * @return string[] [$name, $value]
     */
    protected function getNameAndValue($cliArgument)
    {
        // Look for arguments defined in the "key=value" format.
        if (strpos($cliArgument, '=') !== false) {
            return explode('=', $cliArgument, 2);
        }

        // If the argument isn't in "key=value" format then assume it's in
        // "key value" format and define the value after we've found the
        // matching CLImate argument.
        return [$cliArgument, null];
    }

    /**
     * Attempt to set the an argument's value and remove applicable
     * arguments from array
     *
     * @param array $argv
     * @param int $key
     * @param string $passed_argument
     *
     * @return array The new $argv
     */
    protected function trySettingArgumentValue($argv, $key, $passed_argument)
    {
        list($name, $value) = $this->getNameAndValue($passed_argument);

        // Look for the argument in our defined $arguments
        // and assign their value.
        if (!($argument = $this->findPrefixedArgument($name))) {
            return $argv;
        }

        // We found an argument key, so take it out of the array.
        unset($argv[$key]);

        return $this->setArgumentValue($argv, $argument, $key, $value);
    }

    /**
     * Set the argument's value
     *
     * @param array $argv
     * @param Argument $argument
     * @param int $key
     * @param string|null $value
     *
     * @return array The new $argv
     */
    protected function setArgumentValue($argv, $argument, $key, $value)
    {
        // Arguments are given the value true if they only need to
        // be defined on the command line to be set.
        if ($argument->noValue()) {
            $argument->setValue(true);
            return $argv;
        }

        if (is_null($value)) {
            if (count($argv) === 0) {
                return $argv;
            }

            // If the value wasn't previously defined in "key=value"
            // format then define it from the next command argument.
            $nextArgvValue = $argv[$key + 1];
            if ($this->isValidArgumentValue($nextArgvValue)) {
                $argument->setValue($nextArgvValue);
                unset($argv[$key + 1]);
                return $argv;
            }
        }

        $argument->setValue($value);

        return $argv;
    }

    /**
     * Check if the value is considered a valid input value.
     *
     * @param $argumentValue
     * @return bool
     */
    protected function isValidArgumentValue($argumentValue)
    {
        return empty($this->findPrefixedArgument($argumentValue));
    }

    /**
     * Search for argument in defined prefix arguments
     *
     * @param string $name
     *
     * @return Argument|false
     */
    protected function findPrefixedArgument($name)
    {
        foreach ($this->filter->withPrefix() as $argument) {
            if (in_array($name, ["-{$argument->prefix()}", "--{$argument->longPrefix()}"])) {
                return $argument;
            }
        }

        return false;
    }

    /**
     * Pull a command name and arguments from $argv.
     *
     * @param array $argv
     * @return array
     */
    protected function getCommandAndArguments(array $argv = null)
    {
        // If no $argv is provided then use the global PHP defined $argv.
        if (is_null($argv)) {
            global $argv;
        }

        $arguments = $argv;
        $command   = array_shift($arguments);

        return compact('arguments', 'command');
    }
}


1		<?php
2
3		namespace League\CLImate\Argument;
4
5		use League\CLImate\Exceptions\InvalidArgumentException;
6
7		class Parser
8		{
9		/**
10		* Filter class to find various types of arguments
11		*
12		* @var \League\CLImate\Argument\Filter $filter
13		*/
14		protected $filter;
15
16		/**
17		* Summary builder class
18		*
19		* @var \League\CLImate\Argument\Summary $summary
20		*/
21		protected $summary;
22
23	948	protected $trailing;
24
25	948	public function __construct()
26	948	{
27		$this->summary = new Summary();
28		}
29
30		/**
31		* @param Filter $filter
32		* @param Argument[] $arguments
33		*
34	16	* @return \League\CLImate\Argument\Parser
35		*/
36	16	public function setFilter($filter, $arguments)
37	16	{
38		$this->filter = $filter;
39	16	$this->filter->setArguments($arguments);
40
41		return $this;
42		}
43
44		/**
45		* Parse command line arguments into CLImate arguments.
46		*
47		* @param array $argv
48	16	*
49		* @return void
50	16	* @throws InvalidArgumentException if required arguments aren't defined.
51		*/
52	16	public function parse(array $argv = null)
53	4	{
54	4	$cliArguments = $this->arguments($argv);
55
56	16	if (in_array('--', $cliArguments)) {
57		$cliArguments = $this->removeTrailingArguments($cliArguments);
58	16	}
59
60		$unParsedArguments = $this->prefixedArguments($cliArguments);
61
62	16	$this->nonPrefixedArguments($unParsedArguments);
63
64	16	// After parsing find out which arguments were required but not
65	4	// defined on the command line.
66		$missingArguments = $this->filter->missing();
67	4
68	4	if (count($missingArguments) > 0) {
69		throw new InvalidArgumentException(
70	12	'The following arguments are required: '
71		. $this->summary->short($missingArguments) . '.'
72		);
73		}
74		}
75
76		/**
77		* Get the command name.
78		*
79	4	* @param array $argv
80		*
81	4	* @return string
82		*/
83		public function command(array $argv = null)
84		{
85		return $this->getCommandAndArguments($argv)['command'];
86		}
87
88		/**
89		* Get the passed arguments.
90		*
91	20	* @param array $argv
92		*
93	20	* @return array
94		*/
95		public function arguments(array $argv = null)
96		{
97		return $this->getCommandAndArguments($argv)['arguments'];
98		}
99
100		/**
101	4	* Get the trailing arguments
102		*
103	4	* @return string\|null
104		*/
105		public function trailing()
106		{
107		return $this->trailing;
108		}
109
110		/**
111		* Remove the trailing arguments from the parser and set them aside
112		*
113	4	* @param array $arguments
114		*
115	4	* @return array
116	4	*/
117	4	protected function removeTrailingArguments(array $arguments)
118		{
119	4	$trailing = array_splice($arguments, array_search('--', $arguments));
120		array_shift($trailing);
121		$this->trailing = implode(' ', $trailing);
122
123		return $arguments;
124		}
125
126		/**
127		* Parse command line options into prefixed CLImate arguments.
128		*
129		* Prefixed arguments are arguments with a prefix (-) or a long prefix (--)
130		* on the command line.
131		*
132		* Return the arguments passed on the command line that didn't match up with
133		* prefixed arguments so they can be assigned to non-prefixed arguments.
134	16	*
135		* @param array $argv
136	16	* @return array
137	16	*/
138	16	protected function prefixedArguments(array $argv = [])
139		{
140		foreach ($argv as $key => $passed_argument) {
141	16	$argv = $this->trySettingArgumentValue($argv, $key, $passed_argument);
142		}
143
144		// Send un-parsed arguments back upstream.
145		return array_values($argv);
146		}
147
148		/**
149		* Parse unset command line options into non-prefixed CLImate arguments.
150		*
151		* Non-prefixed arguments are parsed after the prefixed arguments on the
152	16	* command line, in the order that they're defined in the script.
153		*
154	16	* @param array $unParsedArguments
155	4	*/
156	4	protected function nonPrefixedArguments(array $unParsedArguments = [])
157	4	{
158	16	foreach ($this->filter->withoutPrefix() as $key => $argument) {
159	16	if (isset($unParsedArguments[$key])) {
160		$argument->setValue($unParsedArguments[$key]);
161		}
162		}
163		}
164
165		/**
166		* Parse the name and value of the argument passed in
167	16	*
168		* @param string $cliArgument
169		* @return string[] [$name, $value]
170	16	*/
171	8	protected function getNameAndValue($cliArgument)
172		{
173		// Look for arguments defined in the "key=value" format.
174		if (strpos($cliArgument, '=') !== false) {
175		return explode('=', $cliArgument, 2);
176		}
177	16
178		// If the argument isn't in "key=value" format then assume it's in
179		// "key value" format and define the value after we've found the
180		// matching CLImate argument.
181		return [$cliArgument, null];
182		}
183
184		/**
185		* Attempt to set the an argument's value and remove applicable
186		* arguments from array
187		*
188		* @param array $argv
189		* @param int $key
190	16	* @param string $passed_argument
191		*
192	16	* @return array The new $argv
193		*/
194		protected function trySettingArgumentValue($argv, $key, $passed_argument)
195		{
196	16	list($name, $value) = $this->getNameAndValue($passed_argument);
197	12
198		// Look for the argument in our defined $arguments
199		// and assign their value.
200		if (!($argument = $this->findPrefixedArgument($name))) {
201	16	return $argv;
202		}
203	16
204		// We found an argument key, so take it out of the array.
205		unset($argv[$key]);
206
207		return $this->setArgumentValue($argv, $argument, $key, $value);
208		}
209
210		/**
211		* Set the argument's value
212		*
213		* @param array $argv
214		* @param Argument $argument
215		* @param int $key
216	16	* @param string\|null $value
217		*
218		* @return array The new $argv
219		*/
220	16	protected function setArgumentValue($argv, $argument, $key, $value)
221	4	{
222	4	// Arguments are given the value true if they only need to
223		// be defined on the command line to be set.
224		if ($argument->noValue()) {
225	16	$argument->setValue(true);
226	16	return $argv;
227	4	}
228
229		if (is_null($value)) {
230		if (count($argv) === 0) {
231		return $argv;
232	12	}
233	12
234	12	// If the value wasn't previously defined in "key=value"
235		// format then define it from the next command argument.
236		$nextArgvValue = $argv[$key + 1];
237	8	if ($this->isValidArgumentValue($nextArgvValue)) {
238		$argument->setValue($nextArgvValue);
239	8	unset($argv[$key + 1]);
240		return $argv;
241		}
242		}
243
244		$argument->setValue($value);
245
246		return $argv;
247		}
248
249	16	/**
250		* Check if the value is considered a valid input value.
251	16	*
252	16	* @param $argumentValue
253	16	* @return bool
254		*/
255	12	protected function isValidArgumentValue($argumentValue)
256		{
257	12	return empty($this->findPrefixedArgument($argumentValue));
258		}
259
260		/**
261		* Search for argument in defined prefix arguments
262		*
263		* @param string $name
264		*
265		* @return Argument\|false
266	24	*/
267		protected function findPrefixedArgument($name)
268		{
269	24	foreach ($this->filter->withPrefix() as $argument) {
270		if (in_array($name, ["-{$argument->prefix()}", "--{$argument->longPrefix()}"])) {
271		return $argument;
272		}
273	24	}
274	24
275		return false;
276	24	}
277
278		/**
279		* Pull a command name and arguments from $argv.
280		*
281		* @param array $argv
282		* @return array
283		*/
284		protected function getCommandAndArguments(array $argv = null)
285		{
286		// If no $argv is provided then use the global PHP defined $argv.
287		if (is_null($argv)) {
288		global $argv;
289		}
290
291		$arguments = $argv;
292		$command = array_shift($arguments);
293
294		return compact('arguments', 'command');
295		}
296		}
297

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Parser::isValidArgumentValue() A

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