CommandInfo::getParameters() - Code Metrics - Inspection of "Ensure that placeholder entries are written into t..." - consolidation/annotated-command - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ccff73...7c97c4 )

by Greg

created 2017-02-28 22:50 UTC

CommandInfo::getParameters() A

↳ Parent: CommandInfo

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	4
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	0

<?php
namespace Consolidation\AnnotatedCommand\Parser;

use Symfony\Component\Console\Input\InputOption;
use Consolidation\AnnotatedCommand\Parser\Internal\CommandDocBlockParser;
use Consolidation\AnnotatedCommand\Parser\Internal\CommandDocBlockParserFactory;
use Consolidation\AnnotatedCommand\AnnotationData;

/**
 * Given a class and method name, parse the annotations in the
 * DocBlock comment, and provide accessor methods for all of
 * the elements that are needed to create a Symfony Console Command.
 *
 * Note that the name of this class is now somewhat of a misnomer,
 * as we now use it to hold annotation data for hooks as well as commands.
 * It would probably be better to rename this to MethodInfo at some point.
 */
class CommandInfo
{
    /**
     * Serialization schema version. Incremented every time the serialization schema changes.
     */
    const SERIALIZATION_SCHEMA_VERSION = 3;

    /**
     * @var \ReflectionMethod
     */
    protected $reflection;

    /**
     * @var boolean
     * @var string
    */
    protected $docBlockIsParsed = false;

    /**
     * @var string
     */
    protected $name;

    /**
     * @var string
     */
    protected $description = '';

    /**
     * @var string
     */
    protected $help = '';

    /**
     * @var DefaultsWithDescriptions
     */
    protected $options;

    /**
     * @var DefaultsWithDescriptions
     */
    protected $arguments;

    /**
     * @var array
     */
    protected $exampleUsage = [];

    /**
     * @var AnnotationData
     */
    protected $otherAnnotations;

    /**
     * @var array
     */
    protected $aliases = [];

    /**
     * @var InputOption[]
     */
    protected $inputOptions;

    /**
     * @var string
     */
    protected $methodName;

    /**
     * @var string
     */
    protected $returnType;

    /**
     * Create a new CommandInfo class for a particular method of a class.
     *
     * @param string|mixed $classNameOrInstance The name of a class, or an
     *   instance of it, or an array of cached data.
     * @param string $methodName The name of the method to get info about.
     * @param array $cache Cached data
     * @deprecated Use CommandInfo::create() or CommandInfo::deserialize()
     *   instead. In the future, this constructor will be protected.
     */
    public function __construct($classNameOrInstance, $methodName, $cache = [])
    {
        $this->reflection = new \ReflectionMethod($classNameOrInstance, $methodName);
        $this->methodName = $methodName;
        $this->arguments = new DefaultsWithDescriptions();
        $this->options = new DefaultsWithDescriptions();

        // If the cache came from a newer version, ignore it and
        // regenerate the cached information.
        if (!empty($cache) && CommandInfoDeserializer::isValidSerializedData($cache) && !$this->cachedFileIsModified($cache)) {
            $deserializer = new CommandInfoDeserializer();
            $deserializer->constructFromCache($this, $cache);
            $this->docBlockIsParsed = true;
        } else {
            $this->constructFromClassAndMethod($classNameOrInstance, $methodName);
        }
    }

    public static function create($classNameOrInstance, $methodName)
    {
        return new self($classNameOrInstance, $methodName);
    }

    public static function deserialize($cache)
    {
        $cache = (array)$cache;
        return new self($cache['class'], $cache['method_name'], $cache);
    }

    public function cachedFileIsModified($cache)
    {
        $path = $this->reflection->getFileName();
        return filemtime($path) != $cache['mtime'];
    }

    protected function constructFromClassAndMethod($classNameOrInstance, $methodName)

    {
        $this->otherAnnotations = new AnnotationData();
        // Set up a default name for the command from the method name.
        // This can be overridden via @command or @name annotations.
        $this->name = $this->convertName($methodName);
        $this->options = new DefaultsWithDescriptions($this->determineOptionsFromParameters(), false);
        $this->arguments = $this->determineAgumentClassifications();
    }

    /**
     * Recover the method name provided to the constructor.
     *
     * @return string
     */
    public function getMethodName()
    {
        return $this->methodName;
    }

    /**
     * Return the primary name for this command.
     *
     * @return string
     */
    public function getName()
    {
        $this->parseDocBlock();
        return $this->name;
    }

    /**
     * Set the primary name for this command.
     *
     * @param string $name
     */
    public function setName($name)
    {
        $this->name = $name;
        return $this;
    }

    /**
     * Return whether or not this method represents a valid command
     * or hook.
     */
    public function valid()
    {
        return !empty($this->name);
    }

    /**
     * If higher-level code decides that this CommandInfo is not interesting
     * or useful (if it is not a command method or a hook method), then
     * we will mark it as invalid to prevent it from being created as a command.
     * We still cache a placeholder record for invalid methods, so that we
     * do not need to re-parse the method again later simply to determine that
     * it is invalid.
     */
    public function invalidate()
    {
        $this->name = '';
    }

    public function getReturnType()
    {
        $this->parseDocBlock();
        return $this->returnType;
    }

    public function setReturnType($returnType)
    {
        $this->returnType = $returnType;
        return $this;
    }

    /**
     * Get any annotations included in the docblock comment for the
     * implementation method of this command that are not already
     * handled by the primary methods of this class.
     *
     * @return AnnotationData
     */
    public function getRawAnnotations()
    {
        $this->parseDocBlock();
        return $this->otherAnnotations;
    }

    /**
     * Replace the annotation data.
     */
    public function replaceRawAnnotations($annotationData)
    {
        $this->otherAnnotations = new AnnotationData((array) $annotationData);
        return $this;
    }

    /**
     * Get any annotations included in the docblock comment,
     * also including default values such as @command.  We add
     * in the default @command annotation late, and only in a
     * copy of the annotation data because we use the existance
     * of a @command to indicate that this CommandInfo is
     * a command, and not a hook or anything else.
     *
     * @return AnnotationData
     */
    public function getAnnotations()
    {
        // Also provide the path to the commandfile that these annotations
        // were pulled from and the classname of that file.
        $path = $this->reflection->getFileName();
        $className = $this->reflection->getDeclaringClass()->getName();
        return new AnnotationData(
            $this->getRawAnnotations()->getArrayCopy() +
            [
                'command' => $this->getName(),
                '_path' => $path,
                '_classname' => $className,
            ]
        );
    }

    /**
     * Return a specific named annotation for this command.
     *
     * @param string $annotation The name of the annotation.
     * @return string
     */
    public function getAnnotation($annotation)
    {
        // hasAnnotation parses the docblock
        if (!$this->hasAnnotation($annotation)) {
            return null;
        }
        return $this->otherAnnotations[$annotation];
    }

    /**
     * Check to see if the specified annotation exists for this command.
     *
     * @param string $annotation The name of the annotation.
     * @return boolean
     */
    public function hasAnnotation($annotation)
    {
        $this->parseDocBlock();
        return isset($this->otherAnnotations[$annotation]);
    }

    /**
     * Save any tag that we do not explicitly recognize in the
     * 'otherAnnotations' map.
     */
    public function addAnnotation($name, $content)
    {
        $this->otherAnnotations[$name] = $content;
    }

    /**
     * Remove an annotation that was previoudly set.
     */
    public function removeAnnotation($name)
    {
        unset($this->otherAnnotations[$name]);
    }

    /**
     * Get the synopsis of the command (~first line).
     *
     * @return string
     */
    public function getDescription()
    {
        $this->parseDocBlock();
        return $this->description;
    }

    /**
     * Set the command description.
     *
     * @param string $description The description to set.
     */
    public function setDescription($description)
    {
        $this->description = $description;
        return $this;
    }

    /**
     * Get the help text of the command (the description)
     */
    public function getHelp()
    {
        $this->parseDocBlock();
        return $this->help;
    }
    /**
     * Set the help text for this command.
     *
     * @param string $help The help text.
     */
    public function setHelp($help)
    {
        $this->help = $help;
        return $this;
    }

    /**
     * Return the list of aliases for this command.
     * @return string[]
     */
    public function getAliases()
    {
        $this->parseDocBlock();
        return $this->aliases;
    }

    /**
     * Set aliases that can be used in place of the command's primary name.
     *
     * @param string|string[] $aliases
     */
    public function setAliases($aliases)
    {
        if (is_string($aliases)) {
            $aliases = explode(',', static::convertListToCommaSeparated($aliases));
        }
        $this->aliases = array_filter($aliases);
        return $this;
    }

    /**
     * Return the examples for this command. This is @usage instead of
     * @example because the later is defined by the phpdoc standard to
     * be example method calls.
     *
     * @return string[]
     */
    public function getExampleUsages()
    {
        $this->parseDocBlock();
        return $this->exampleUsage;
    }

    /**
     * Add an example usage for this command.
     *
     * @param string $usage An example of the command, including the command
     *   name and all of its example arguments and options.
     * @param string $description An explanation of what the example does.
     */
    public function setExampleUsage($usage, $description)
    {
        $this->exampleUsage[$usage] = $description;
        return $this;
    }

    /**
     * Overwrite all example usages
     */
    public function replaceExampleUsages($usages)
    {
        $this->exampleUsage = $usages;
        return $this;
    }

    /**
     * Return the topics for this command.
     *
     * @return string[]
     */
    public function getTopics()
    {
        if (!$this->hasAnnotation('topics')) {
            return [];
        }
        $topics = $this->getAnnotation('topics');
        return explode(',', trim($topics));
    }

    /**
     * Return the list of refleaction parameters.
     *
     * @return ReflectionParameter[]
     */
    public function getParameters()
    {
        return $this->reflection->getParameters();
    }

    /**
     * Descriptions of commandline arguements for this command.
     *
     * @return DefaultsWithDescriptions
     */
    public function arguments()
    {
        return $this->arguments;
    }

    /**
     * Descriptions of commandline options for this command.
     *
     * @return DefaultsWithDescriptions
     */
    public function options()
    {
        return $this->options;
    }

    /**
     * Get the inputOptions for the options associated with this CommandInfo
     * object, e.g. via @option annotations, or from
     * $options = ['someoption' => 'defaultvalue'] in the command method
     * parameter list.
     *
     * @return InputOption[]
     */
    public function inputOptions()
    {
        if (!isset($this->inputOptions)) {
            $this->inputOptions = $this->createInputOptions();
        }
        return $this->inputOptions;
    }

    protected function createInputOptions()
    {
        $explicitOptions = [];

        $opts = $this->options()->getValues();
        foreach ($opts as $name => $defaultValue) {
            $description = $this->options()->getDescription($name);

            $fullName = $name;
            $shortcut = '';
            if (strpos($name, '|')) {
                list($fullName, $shortcut) = explode('|', $name, 2);
            }

            if (is_bool($defaultValue)) {
                $explicitOptions[$fullName] = new InputOption($fullName, $shortcut, InputOption::VALUE_NONE, $description);
            } elseif ($defaultValue === InputOption::VALUE_REQUIRED) {
                $explicitOptions[$fullName] = new InputOption($fullName, $shortcut, InputOption::VALUE_REQUIRED, $description);
            } elseif (is_array($defaultValue)) {
                $optionality = count($defaultValue) ? InputOption::VALUE_OPTIONAL : InputOption::VALUE_REQUIRED;
                $explicitOptions[$fullName] = new InputOption(
                    $fullName,
                    $shortcut,
                    InputOption::VALUE_IS_ARRAY | $optionality,
                    $description,
                    count($defaultValue) ? $defaultValue : null
                );
            } else {
                $explicitOptions[$fullName] = new InputOption($fullName, $shortcut, InputOption::VALUE_OPTIONAL, $description, $defaultValue);
            }
        }

        return $explicitOptions;
    }

    /**
     * An option might have a name such as 'silent|s'. In this
     * instance, we will allow the @option or @default tag to
     * reference the option only by name (e.g. 'silent' or 's'
     * instead of 'silent|s').
     *
     * @param string $optionName
     * @return string
     */
    public function findMatchingOption($optionName)
    {
        // Exit fast if there's an exact match
        if ($this->options->exists($optionName)) {
            return $optionName;
        }
        $existingOptionName = $this->findExistingOption($optionName);
        if (isset($existingOptionName)) {
            return $existingOptionName;
        }
        return $this->findOptionAmongAlternatives($optionName);
    }

    /**
     * @param string $optionName
     * @return string
     */
    protected function findOptionAmongAlternatives($optionName)
    {
        // Check the other direction: if the annotation contains @silent|s
        // and the options array has 'silent|s'.
        $checkMatching = explode('|', $optionName);
        if (count($checkMatching) > 1) {
            foreach ($checkMatching as $checkName) {
                if ($this->options->exists($checkName)) {
                    $this->options->rename($checkName, $optionName);
                    return $optionName;
                }
            }
        }
        return $optionName;
    }

    /**
     * @param string $optionName
     * @return string|null
     */
    protected function findExistingOption($optionName)
    {
        // Check to see if we can find the option name in an existing option,
        // e.g. if the options array has 'silent|s' => false, and the annotation
        // is @silent.
        foreach ($this->options()->getValues() as $name => $default) {
            if (in_array($optionName, explode('|', $name))) {
                return $name;
            }
        }
    }

    /**
     * Examine the parameters of the method for this command, and
     * build a list of commandline arguements for them.
     *
     * @return array
     */
    protected function determineAgumentClassifications()
    {
        $result = new DefaultsWithDescriptions();
        $params = $this->reflection->getParameters();
        $optionsFromParameters = $this->determineOptionsFromParameters();
        if (!empty($optionsFromParameters)) {
            array_pop($params);
        }
        foreach ($params as $param) {
            $this->addParameterToResult($result, $param);
        }
        return $result;
    }

    /**
     * Examine the provided parameter, and determine whether it
     * is a parameter that will be filled in with a positional
     * commandline argument.
     */
    protected function addParameterToResult($result, $param)
    {
        // Commandline arguments must be strings, so ignore any
        // parameter that is typehinted to any non-primative class.
        if ($param->getClass() != null) {
            return;
        }
        $result->add($param->name);
        if ($param->isDefaultValueAvailable()) {
            $defaultValue = $param->getDefaultValue();
            if (!$this->isAssoc($defaultValue)) {
                $result->setDefaultValue($param->name, $defaultValue);
            }
        } elseif ($param->isArray()) {
            $result->setDefaultValue($param->name, []);
        }
    }

    /**
     * Examine the parameters of the method for this command, and determine
     * the disposition of the options from them.
     *
     * @return array
     */
    protected function determineOptionsFromParameters()
    {
        $params = $this->reflection->getParameters();
        if (empty($params)) {
            return [];
        }
        $param = end($params);
        if (!$param->isDefaultValueAvailable()) {
            return [];
        }
        if (!$this->isAssoc($param->getDefaultValue())) {
            return [];
        }
        return $param->getDefaultValue();
    }

    /**
     * Helper; determine if an array is associative or not. An array
     * is not associative if its keys are numeric, and numbered sequentially
     * from zero. All other arrays are considered to be associative.
     *
     * @param array $arr The array
     * @return boolean
     */
    protected function isAssoc($arr)
    {
        if (!is_array($arr)) {
            return false;
        }
        return array_keys($arr) !== range(0, count($arr) - 1);
    }

    /**
     * Convert from a method name to the corresponding command name. A
     * method 'fooBar' will become 'foo:bar', and 'fooBarBazBoz' will
     * become 'foo:bar-baz-boz'.
     *
     * @param string $camel method name.
     * @return string
     */
    protected function convertName($camel)
    {
        $splitter="-";
        $camel=preg_replace('/(?!^)[[:upper:]][[:lower:]]/', '$0', preg_replace('/(?!^)[[:upper:]]+/', $splitter.'$0', $camel));
        $camel = preg_replace("/$splitter/", ':', $camel, 1);
        return strtolower($camel);
    }

    /**
     * Parse the docBlock comment for this command, and set the
     * fields of this class with the data thereby obtained.
     */
    protected function parseDocBlock()
    {
        if (!$this->docBlockIsParsed) {
            // The parse function will insert data from the provided method
            // into this object, using our accessors.
            CommandDocBlockParserFactory::parse($this, $this->reflection);
            $this->docBlockIsParsed = true;
        }
    }

    /**
     * Given a list that might be 'a b c' or 'a, b, c' or 'a,b,c',
     * convert the data into the last of these forms.
     */
    protected static function convertListToCommaSeparated($text)
    {
        return preg_replace('#[ \t\n\r,]+#', ',', $text);
    }
}


1			<?php
2			namespace Consolidation\AnnotatedCommand\Parser;
3
4			use Symfony\Component\Console\Input\InputOption;
5			use Consolidation\AnnotatedCommand\Parser\Internal\CommandDocBlockParser;
6			use Consolidation\AnnotatedCommand\Parser\Internal\CommandDocBlockParserFactory;
7			use Consolidation\AnnotatedCommand\AnnotationData;
8
9			/**
10			* Given a class and method name, parse the annotations in the
11			* DocBlock comment, and provide accessor methods for all of
12			* the elements that are needed to create a Symfony Console Command.
13			*
14			* Note that the name of this class is now somewhat of a misnomer,
15			* as we now use it to hold annotation data for hooks as well as commands.
16			* It would probably be better to rename this to MethodInfo at some point.
17			*/
18			class CommandInfo
19			{
20			/**
21			* Serialization schema version. Incremented every time the serialization schema changes.
22			*/
23			const SERIALIZATION_SCHEMA_VERSION = 3;
24
25			/**
26			* @var \ReflectionMethod
27			*/
28			protected $reflection;
29
30			/**
31			* @var boolean
32			* @var string
33			*/
34			protected $docBlockIsParsed = false;
35
36			/**
37			* @var string
38			*/
39			protected $name;
40
41			/**
42			* @var string
43			*/
44			protected $description = '';
45
46			/**
47			* @var string
48			*/
49			protected $help = '';
50
51			/**
52			* @var DefaultsWithDescriptions
53			*/
54			protected $options;
55
56			/**
57			* @var DefaultsWithDescriptions
58			*/
59			protected $arguments;
60
61			/**
62			* @var array
63			*/
64			protected $exampleUsage = [];
65
66			/**
67			* @var AnnotationData
68			*/
69			protected $otherAnnotations;
70
71			/**
72			* @var array
73			*/
74			protected $aliases = [];
75
76			/**
77			* @var InputOption[]
78			*/
79			protected $inputOptions;
80
81			/**
82			* @var string
83			*/
84			protected $methodName;
85
86			/**
87			* @var string
88			*/
89			protected $returnType;
90
91			/**
92			* Create a new CommandInfo class for a particular method of a class.
93			*
94			* @param string\|mixed $classNameOrInstance The name of a class, or an
95			* instance of it, or an array of cached data.
96			* @param string $methodName The name of the method to get info about.
97			* @param array $cache Cached data
98			* @deprecated Use CommandInfo::create() or CommandInfo::deserialize()
99			* instead. In the future, this constructor will be protected.
100			*/
101			public function __construct($classNameOrInstance, $methodName, $cache = [])
102			{
103			$this->reflection = new \ReflectionMethod($classNameOrInstance, $methodName);
104			$this->methodName = $methodName;
105			$this->arguments = new DefaultsWithDescriptions();
106			$this->options = new DefaultsWithDescriptions();
107
108			// If the cache came from a newer version, ignore it and
109			// regenerate the cached information.
110			if (!empty($cache) && CommandInfoDeserializer::isValidSerializedData($cache) && !$this->cachedFileIsModified($cache)) {
111			$deserializer = new CommandInfoDeserializer();
112			$deserializer->constructFromCache($this, $cache);
113			$this->docBlockIsParsed = true;
114			} else {
115			$this->constructFromClassAndMethod($classNameOrInstance, $methodName);
116			}
117			}
118
119			public static function create($classNameOrInstance, $methodName)
120			{
121			return new self($classNameOrInstance, $methodName);
122			}
123
124			public static function deserialize($cache)
125			{
126			$cache = (array)$cache;
127			return new self($cache['class'], $cache['method_name'], $cache);
128			}
129
130			public function cachedFileIsModified($cache)
131			{
132			$path = $this->reflection->getFileName();
133			return filemtime($path) != $cache['mtime'];
134			}
135
136			protected function constructFromClassAndMethod($classNameOrInstance, $methodName)
			0 ignored issues – show Unused Code introduced 2017-01-18 23:59 UTC by Report Bug Copy Issue Report The parameter `$classNameOrInstance` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
137			{
138			$this->otherAnnotations = new AnnotationData();
139			// Set up a default name for the command from the method name.
140			// This can be overridden via @command or @name annotations.
141			$this->name = $this->convertName($methodName);
142			$this->options = new DefaultsWithDescriptions($this->determineOptionsFromParameters(), false);
143			$this->arguments = $this->determineAgumentClassifications();
144			}
145
146			/**
147			* Recover the method name provided to the constructor.
148			*
149			* @return string
150			*/
151			public function getMethodName()
152			{
153			return $this->methodName;
154			}
155
156			/**
157			* Return the primary name for this command.
158			*
159			* @return string
160			*/
161			public function getName()
162			{
163			$this->parseDocBlock();
164			return $this->name;
165			}
166
167			/**
168			* Set the primary name for this command.
169			*
170			* @param string $name
171			*/
172			public function setName($name)
173			{
174			$this->name = $name;
175			return $this;
176			}
177
178			/**
179			* Return whether or not this method represents a valid command
180			* or hook.
181			*/
182			public function valid()
183			{
184			return !empty($this->name);
185			}
186
187			/**
188			* If higher-level code decides that this CommandInfo is not interesting
189			* or useful (if it is not a command method or a hook method), then
190			* we will mark it as invalid to prevent it from being created as a command.
191			* We still cache a placeholder record for invalid methods, so that we
192			* do not need to re-parse the method again later simply to determine that
193			* it is invalid.
194			*/
195			public function invalidate()
196			{
197			$this->name = '';
198			}
199
200			public function getReturnType()
201			{
202			$this->parseDocBlock();
203			return $this->returnType;
204			}
205
206			public function setReturnType($returnType)
207			{
208			$this->returnType = $returnType;
209			return $this;
210			}
211
212			/**
213			* Get any annotations included in the docblock comment for the
214			* implementation method of this command that are not already
215			* handled by the primary methods of this class.
216			*
217			* @return AnnotationData
218			*/
219			public function getRawAnnotations()
220			{
221			$this->parseDocBlock();
222			return $this->otherAnnotations;
223			}
224
225			/**
226			* Replace the annotation data.
227			*/
228			public function replaceRawAnnotations($annotationData)
229			{
230			$this->otherAnnotations = new AnnotationData((array) $annotationData);
231			return $this;
232			}
233
234			/**
235			* Get any annotations included in the docblock comment,
236			* also including default values such as @command. We add
237			* in the default @command annotation late, and only in a
238			* copy of the annotation data because we use the existance
239			* of a @command to indicate that this CommandInfo is
240			* a command, and not a hook or anything else.
241			*
242			* @return AnnotationData
243			*/
244			public function getAnnotations()
245			{
246			// Also provide the path to the commandfile that these annotations
247			// were pulled from and the classname of that file.
248			$path = $this->reflection->getFileName();
249			$className = $this->reflection->getDeclaringClass()->getName();
250			return new AnnotationData(
251			$this->getRawAnnotations()->getArrayCopy() +
252			[
253			'command' => $this->getName(),
254			'_path' => $path,
255			'_classname' => $className,
256			]
257			);
258			}
259
260			/**
261			* Return a specific named annotation for this command.
262			*
263			* @param string $annotation The name of the annotation.
264			* @return string
265			*/
266			public function getAnnotation($annotation)
267			{
268			// hasAnnotation parses the docblock
269			if (!$this->hasAnnotation($annotation)) {
270			return null;
271			}
272			return $this->otherAnnotations[$annotation];
273			}
274
275			/**
276			* Check to see if the specified annotation exists for this command.
277			*
278			* @param string $annotation The name of the annotation.
279			* @return boolean
280			*/
281			public function hasAnnotation($annotation)
282			{
283			$this->parseDocBlock();
284			return isset($this->otherAnnotations[$annotation]);
285			}
286
287			/**
288			* Save any tag that we do not explicitly recognize in the
289			* 'otherAnnotations' map.
290			*/
291			public function addAnnotation($name, $content)
292			{
293			$this->otherAnnotations[$name] = $content;
294			}
295
296			/**
297			* Remove an annotation that was previoudly set.
298			*/
299			public function removeAnnotation($name)
300			{
301			unset($this->otherAnnotations[$name]);
302			}
303
304			/**
305			* Get the synopsis of the command (~first line).
306			*
307			* @return string
308			*/
309			public function getDescription()
310			{
311			$this->parseDocBlock();
312			return $this->description;
313			}
314
315			/**
316			* Set the command description.
317			*
318			* @param string $description The description to set.
319			*/
320			public function setDescription($description)
321			{
322			$this->description = $description;
323			return $this;
324			}
325
326			/**
327			* Get the help text of the command (the description)
328			*/
329			public function getHelp()
330			{
331			$this->parseDocBlock();
332			return $this->help;
333			}
334			/**
335			* Set the help text for this command.
336			*
337			* @param string $help The help text.
338			*/
339			public function setHelp($help)
340			{
341			$this->help = $help;
342			return $this;
343			}
344
345			/**
346			* Return the list of aliases for this command.
347			* @return string[]
348			*/
349			public function getAliases()
350			{
351			$this->parseDocBlock();
352			return $this->aliases;
353			}
354
355			/**
356			* Set aliases that can be used in place of the command's primary name.
357			*
358			* @param string\|string[] $aliases
359			*/
360			public function setAliases($aliases)
361			{
362			if (is_string($aliases)) {
363			$aliases = explode(',', static::convertListToCommaSeparated($aliases));
364			}
365			$this->aliases = array_filter($aliases);
366			return $this;
367			}
368
369			/**
370			* Return the examples for this command. This is @usage instead of
371			* @example because the later is defined by the phpdoc standard to
372			* be example method calls.
373			*
374			* @return string[]
375			*/
376			public function getExampleUsages()
377			{
378			$this->parseDocBlock();
379			return $this->exampleUsage;
380			}
381
382			/**
383			* Add an example usage for this command.
384			*
385			* @param string $usage An example of the command, including the command
386			* name and all of its example arguments and options.
387			* @param string $description An explanation of what the example does.
388			*/
389			public function setExampleUsage($usage, $description)
390			{
391			$this->exampleUsage[$usage] = $description;
392			return $this;
393			}
394
395			/**
396			* Overwrite all example usages
397			*/
398			public function replaceExampleUsages($usages)
399			{
400			$this->exampleUsage = $usages;
401			return $this;
402			}
403
404			/**
405			* Return the topics for this command.
406			*
407			* @return string[]
408			*/
409			public function getTopics()
410			{
411			if (!$this->hasAnnotation('topics')) {
412			return [];
413			}
414			$topics = $this->getAnnotation('topics');
415			return explode(',', trim($topics));
416			}
417
418			/**
419			* Return the list of refleaction parameters.
420			*
421			* @return ReflectionParameter[]
422			*/
423			public function getParameters()
424			{
425			return $this->reflection->getParameters();
426			}
427
428			/**
429			* Descriptions of commandline arguements for this command.
430			*
431			* @return DefaultsWithDescriptions
432			*/
433			public function arguments()
434			{
435			return $this->arguments;
436			}
437
438			/**
439			* Descriptions of commandline options for this command.
440			*
441			* @return DefaultsWithDescriptions
442			*/
443			public function options()
444			{
445			return $this->options;
446			}
447
448			/**
449			* Get the inputOptions for the options associated with this CommandInfo
450			* object, e.g. via @option annotations, or from
451			* $options = ['someoption' => 'defaultvalue'] in the command method
452			* parameter list.
453			*
454			* @return InputOption[]
455			*/
456			public function inputOptions()
457			{
458			if (!isset($this->inputOptions)) {
459			$this->inputOptions = $this->createInputOptions();
460			}
461			return $this->inputOptions;
462			}
463
464			protected function createInputOptions()
465			{
466			$explicitOptions = [];
467
468			$opts = $this->options()->getValues();
469			foreach ($opts as $name => $defaultValue) {
470			$description = $this->options()->getDescription($name);
471
472			$fullName = $name;
473			$shortcut = '';
474			if (strpos($name, '\|')) {
475			list($fullName, $shortcut) = explode('\|', $name, 2);
476			}
477
478			if (is_bool($defaultValue)) {
479			$explicitOptions[$fullName] = new InputOption($fullName, $shortcut, InputOption::VALUE_NONE, $description);
480			} elseif ($defaultValue === InputOption::VALUE_REQUIRED) {
481			$explicitOptions[$fullName] = new InputOption($fullName, $shortcut, InputOption::VALUE_REQUIRED, $description);
482			} elseif (is_array($defaultValue)) {
483			$optionality = count($defaultValue) ? InputOption::VALUE_OPTIONAL : InputOption::VALUE_REQUIRED;
484			$explicitOptions[$fullName] = new InputOption(
485			$fullName,
486			$shortcut,
487			InputOption::VALUE_IS_ARRAY \| $optionality,
488			$description,
489			count($defaultValue) ? $defaultValue : null
490			);
491			} else {
492			$explicitOptions[$fullName] = new InputOption($fullName, $shortcut, InputOption::VALUE_OPTIONAL, $description, $defaultValue);
493			}
494			}
495
496			return $explicitOptions;
497			}
498
499			/**
500			* An option might have a name such as 'silent\|s'. In this
501			* instance, we will allow the @option or @default tag to
502			* reference the option only by name (e.g. 'silent' or 's'
503			* instead of 'silent\|s').
504			*
505			* @param string $optionName
506			* @return string
507			*/
508			public function findMatchingOption($optionName)
509			{
510			// Exit fast if there's an exact match
511			if ($this->options->exists($optionName)) {
512			return $optionName;
513			}
514			$existingOptionName = $this->findExistingOption($optionName);
515			if (isset($existingOptionName)) {
516			return $existingOptionName;
517			}
518			return $this->findOptionAmongAlternatives($optionName);
519			}
520
521			/**
522			* @param string $optionName
523			* @return string
524			*/
525			protected function findOptionAmongAlternatives($optionName)
526			{
527			// Check the other direction: if the annotation contains @silent\|s
528			// and the options array has 'silent\|s'.
529			$checkMatching = explode('\|', $optionName);
530			if (count($checkMatching) > 1) {
531			foreach ($checkMatching as $checkName) {
532			if ($this->options->exists($checkName)) {
533			$this->options->rename($checkName, $optionName);
534			return $optionName;
535			}
536			}
537			}
538			return $optionName;
539			}
540
541			/**
542			* @param string $optionName
543			* @return string\|null
544			*/
545			protected function findExistingOption($optionName)
546			{
547			// Check to see if we can find the option name in an existing option,
548			// e.g. if the options array has 'silent\|s' => false, and the annotation
549			// is @silent.
550			foreach ($this->options()->getValues() as $name => $default) {
551			if (in_array($optionName, explode('\|', $name))) {
552			return $name;
553			}
554			}
555			}
556
557			/**
558			* Examine the parameters of the method for this command, and
559			* build a list of commandline arguements for them.
560			*
561			* @return array
562			*/
563			protected function determineAgumentClassifications()
564			{
565			$result = new DefaultsWithDescriptions();
566			$params = $this->reflection->getParameters();
567			$optionsFromParameters = $this->determineOptionsFromParameters();
568			if (!empty($optionsFromParameters)) {
569			array_pop($params);
570			}
571			foreach ($params as $param) {
572			$this->addParameterToResult($result, $param);
573			}
574			return $result;
575			}
576
577			/**
578			* Examine the provided parameter, and determine whether it
579			* is a parameter that will be filled in with a positional
580			* commandline argument.
581			*/
582			protected function addParameterToResult($result, $param)
583			{
584			// Commandline arguments must be strings, so ignore any
585			// parameter that is typehinted to any non-primative class.
586			if ($param->getClass() != null) {
587			return;
588			}
589			$result->add($param->name);
590			if ($param->isDefaultValueAvailable()) {
591			$defaultValue = $param->getDefaultValue();
592			if (!$this->isAssoc($defaultValue)) {
593			$result->setDefaultValue($param->name, $defaultValue);
594			}
595			} elseif ($param->isArray()) {
596			$result->setDefaultValue($param->name, []);
597			}
598			}
599
600			/**
601			* Examine the parameters of the method for this command, and determine
602			* the disposition of the options from them.
603			*
604			* @return array
605			*/
606			protected function determineOptionsFromParameters()
607			{
608			$params = $this->reflection->getParameters();
609			if (empty($params)) {
610			return [];
611			}
612			$param = end($params);
613			if (!$param->isDefaultValueAvailable()) {
614			return [];
615			}
616			if (!$this->isAssoc($param->getDefaultValue())) {
617			return [];
618			}
619			return $param->getDefaultValue();
620			}
621
622			/**
623			* Helper; determine if an array is associative or not. An array
624			* is not associative if its keys are numeric, and numbered sequentially
625			* from zero. All other arrays are considered to be associative.
626			*
627			* @param array $arr The array
628			* @return boolean
629			*/
630			protected function isAssoc($arr)
631			{
632			if (!is_array($arr)) {
633			return false;
634			}
635			return array_keys($arr) !== range(0, count($arr) - 1);
636			}
637
638			/**
639			* Convert from a method name to the corresponding command name. A
640			* method 'fooBar' will become 'foo:bar', and 'fooBarBazBoz' will
641			* become 'foo:bar-baz-boz'.
642			*
643			* @param string $camel method name.
644			* @return string
645			*/
646			protected function convertName($camel)
647			{
648			$splitter="-";
649			$camel=preg_replace('/(?!^)[[:upper:]][[:lower:]]/', '$0', preg_replace('/(?!^)[[:upper:]]+/', $splitter.'$0', $camel));
650			$camel = preg_replace("/$splitter/", ':', $camel, 1);
651			return strtolower($camel);
652			}
653
654			/**
655			* Parse the docBlock comment for this command, and set the
656			* fields of this class with the data thereby obtained.
657			*/
658			protected function parseDocBlock()
659			{
660			if (!$this->docBlockIsParsed) {
661			// The parse function will insert data from the provided method
662			// into this object, using our accessors.
663			CommandDocBlockParserFactory::parse($this, $this->reflection);
664			$this->docBlockIsParsed = true;
665			}
666			}
667
668			/**
669			* Given a list that might be 'a b c' or 'a, b, c' or 'a,b,c',
670			* convert the data into the last of these forms.
671			*/
672			protected static function convertListToCommaSeparated($text)
673			{
674			return preg_replace('#[ \t\n\r,]+#', ',', $text);
675			}
676			}
677

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