CommandInfo::processAliases() - Code Metrics - Inspection of "Factor CommandDocBlockParser out of CommandInfo" - consolidation/annotated-command - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#15)

by Greg

created 2016-04-18 18:27 UTC

CommandInfo::processAliases() A

↳ Parent: Project

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

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

<?php
namespace Consolidation\AnnotatedCommand;

/**
 * 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.
 */
class CommandInfo
{
    /**
     * @var \ReflectionMethod
     */
    protected $reflection;

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

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

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

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

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

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

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

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

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

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

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

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

    public function __construct($classNameOrInstance, $methodName)
    {
        $this->reflection = new \ReflectionMethod($classNameOrInstance, $methodName);
        $this->methodName = $methodName;
        // Set up a default name for the command from the method name.
        // This can be overridden via @command or @name annotations.
        $this->setDefaultName();
        $this->options = $this->determineOptionsFromParameters();
        $this->arguments = $this->determineAgumentClassifications();
    }

    public function getMethodName()
    {
        return $this->methodName;
    }

    public function getParameters()
    {
        return $this->reflection->getParameters();
    }

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

    public function setDescription($description)
    {
        $this->description = $description;
    }

    /**
     * Get the help text of the command (the description)
     */
    public function getHelp()
    {
        $this->parseDocBlock();
        return $this->help;
    }

    public function setHelp($help)
    {
        $this->help = $help;
    }

    public function getAliases()
    {
        $this->parseDocBlock();
        return $this->aliases;
    }

    public function setAliases($aliases)
    {
        if (is_string($aliases)) {
            $aliases = explode(',', static::convertListToCommaSeparated($aliases));
        }
        $this->aliases = array_filter($aliases);
    }

    public function getExampleUsages()
    {
        $this->parseDocBlock();
        return $this->exampleUsage;
    }

    public function getName()
    {
        $this->parseDocBlock();
        return $this->name;
    }

    public function setDefaultName()
    {
        $this->name = $this->convertName($this->reflection->name);
    }

    public function setName($name)
    {
        $this->name = $name;
    }

    protected function determineAgumentClassifications()
    {
        $args = [];
        $params = $this->reflection->getParameters();
        if (!empty($this->determineOptionsFromParameters())) {
            array_pop($params);
        }
        foreach ($params as $param) {
            $defaultValue = $this->getArgumentClassification($param);
            if ($defaultValue !== false) {
                $args[$param->name] = $defaultValue;
            }
        }
        return $args;
    }

    public function getArguments()
    {
        return $this->arguments;
    }

    public function hasArgument($name)
    {
        return array_key_exists($name, $this->arguments);
    }

    public function setArgumentDefaultValue($name, $defaultValue)
    {
        $this->arguments[$name] = $defaultValue;
    }

    public function addArgument($name, $description, $defaultValue = null)
    {
        if (!$this->hasArgument($name) || isset($defaultValue)) {
            $this->arguments[$name] = $defaultValue;
        }
        unset($this->argumentDescriptions[$name]);
        if (isset($description)) {
            $this->argumentDescriptions[$name] = $description;
        }
    }

    /**
     * Examine the provided parameter, and determine whether it
     * is a parameter that will be filled in with a positional
     * commandline argument.
     *
     * @return false|null|string|array
     */
    protected function getArgumentClassification($param)
    {
        $defaultValue = null;
        if ($param->isDefaultValueAvailable()) {
            $defaultValue = $param->getDefaultValue();
            if ($this->isAssoc($defaultValue)) {
                return false;
            }
        }
        if ($param->isArray()) {
            return [];
        }
        // Commandline arguments must be strings, so ignore
        // any parameter that is typehinted to anything else.
        if (($param->getClass() != null) && ($param->getClass() != 'string')) {
            return false;
        }
        return $defaultValue;
    }

    public function getOptions()
    {
        return $this->options;
    }

    public function hasOption($name)
    {
        return array_key_exists($name, $this->options);
    }

    public function setOptionDefaultValue($name, $defaultValue)
    {
        $this->options[$name] = $defaultValue;
    }

    public function addOption($name, $description, $defaultValue = false)
    {
        if (!$this->hasOption($name) || $defaultValue) {
            $this->options[$name] = $defaultValue;
        }
        unset($this->optionDescriptions[$name]);
        if (isset($description)) {
            $this->optionDescriptions[$name] = $description;
        }
    }

    public 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();
    }

    public function getArgumentDescription($name)
    {
        $this->parseDocBlock();
        if (array_key_exists($name, $this->argumentDescriptions)) {
            return $this->argumentDescriptions[$name];
        }

        return '';
    }

    public function getOptionDescription($name)
    {
        $this->parseDocBlock();
        if (array_key_exists($name, $this->optionDescriptions)) {
            return $this->optionDescriptions[$name];
        }

        return '';
    }

    protected function isAssoc($arr)
    {
        if (!is_array($arr)) {
            return false;
        }
        return array_keys($arr) !== range(0, count($arr) - 1);
    }

    public function getAnnotations()
    {
        $this->parseDocBlock();
        return $this->otherAnnotations;
    }

    public function getAnnotation($annotation)
    {
        // hasAnnotation parses the docblock
        if (!$this->hasAnnotation($annotation)) {
            return null;
        }
        return $this->otherAnnotations[$annotation];
    }

    public function hasAnnotation($annotation)
    {
        $this->parseDocBlock();
        return array_key_exists($annotation, $this->otherAnnotations);
    }

    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);
    }

    public function setExampleUsage($usage, $description)
    {
        $this->exampleUsage[$usage] = $description;
    }

    /**
     * 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) {
            $docblock = $this->reflection->getDocComment();
            $parser = new CommandDocBlockParser($this);
            $parser->parse($docblock);
            $this->docBlockIsParsed = true;
        }
    }

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

    /**
     * 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').
     */
    public function findMatchingOption($optionName)
    {
        // Exit fast if there's an exact match
        if (isset($this->options[$optionName])) {
            return $optionName;
        }
        // Check to see if we can find the option name in an existing option,
        // e.g. if the options array has 'silent|s' => false, and the annotation
        // is @silent.
        foreach ($this->options as $name => $default) {
            if (in_array($optionName, explode('|', $name))) {
                return $name;
            }
        }
        // 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 $checkName) {
                if (isset($this->options[$checkName])) {
                    $this->options[$optionName] = $this->options[$checkName];
                    unset($this->options[$checkName]);
                    return $optionName;
                }
            }
        }
        return $optionName;
    }
    /**
     * Given a list that might be 'a b c' or 'a, b, c' or 'a,b,c',
     * convert the data into the last of these forms.
     */
    protected static function convertListToCommaSeparated($text)
    {
        return preg_replace('#[ \t\n\r,]+#', ',', $text);
    }
}


1			<?php
2			namespace Consolidation\AnnotatedCommand;
3
4			/**
5			* Given a class and method name, parse the annotations in the
6			* DocBlock comment, and provide accessor methods for all of
7			* the elements that are needed to create a Symfony Console Command.
8			*/
9			class CommandInfo
10			{
11			/**
12			* @var \ReflectionMethod
13			*/
14			protected $reflection;
15
16			/**
17			* @var boolean
18			* @var string
19			*/
20			protected $docBlockIsParsed;
21
22			/**
23			* @var string
24			*/
25			protected $name;
26
27			/**
28			* @var string
29			*/
30			protected $description = '';
31
32			/**
33			* @var string
34			*/
35			protected $help = '';
36
37			/**
38			* @var array
39			*/
40			protected $options = [];
41
42			/**
43			* @var array
44			*/
45			protected $arguments = [];
46
47			/**
48			* @var array
49			*/
50			protected $argumentDescriptions = [];
51
52			/**
53			* @var array
54			*/
55			protected $optionDescriptions = [];
56
57			/**
58			* @var array
59			*/
60			protected $exampleUsage = [];
61
62			/**
63			* @var array
64			*/
65			protected $otherAnnotations = [];
66
67			/**
68			* @var array
69			*/
70			protected $aliases = [];
71
72			/**
73			* @var string
74			*/
75			protected $methodName;
76
77			public function __construct($classNameOrInstance, $methodName)
78			{
79			$this->reflection = new \ReflectionMethod($classNameOrInstance, $methodName);
80			$this->methodName = $methodName;
81			// Set up a default name for the command from the method name.
82			// This can be overridden via @command or @name annotations.
83			$this->setDefaultName();
84			$this->options = $this->determineOptionsFromParameters();
85			$this->arguments = $this->determineAgumentClassifications();
86			}
87
88			public function getMethodName()
89			{
90			return $this->methodName;
91			}
92
93			public function getParameters()
94			{
95			return $this->reflection->getParameters();
96			}
97
98			/**
99			* Get the synopsis of the command (~first line).
100			*/
101			public function getDescription()
102			{
103			$this->parseDocBlock();
104			return $this->description;
105			}
106
107			public function setDescription($description)
108			{
109			$this->description = $description;
110			}
111
112			/**
113			* Get the help text of the command (the description)
114			*/
115			public function getHelp()
116			{
117			$this->parseDocBlock();
118			return $this->help;
119			}
120
121			public function setHelp($help)
122			{
123			$this->help = $help;
124			}
125
126			public function getAliases()
127			{
128			$this->parseDocBlock();
129			return $this->aliases;
130			}
131
132			public function setAliases($aliases)
133			{
134			if (is_string($aliases)) {
135			$aliases = explode(',', static::convertListToCommaSeparated($aliases));
136			}
137			$this->aliases = array_filter($aliases);
138			}
139
140			public function getExampleUsages()
141			{
142			$this->parseDocBlock();
143			return $this->exampleUsage;
144			}
145
146			public function getName()
147			{
148			$this->parseDocBlock();
149			return $this->name;
150			}
151
152			public function setDefaultName()
153			{
154			$this->name = $this->convertName($this->reflection->name);
155			}
156
157			public function setName($name)
158			{
159			$this->name = $name;
160			}
161
162			protected function determineAgumentClassifications()
163			{
164			$args = [];
165			$params = $this->reflection->getParameters();
166			if (!empty($this->determineOptionsFromParameters())) {
167			array_pop($params);
168			}
169			foreach ($params as $param) {
170			$defaultValue = $this->getArgumentClassification($param);
171			if ($defaultValue !== false) {
172			$args[$param->name] = $defaultValue;
173			}
174			}
175			return $args;
176			}
177
178			public function getArguments()
179			{
180			return $this->arguments;
181			}
182
183			public function hasArgument($name)
184			{
185			return array_key_exists($name, $this->arguments);
186			}
187
188			public function setArgumentDefaultValue($name, $defaultValue)
189			{
190			$this->arguments[$name] = $defaultValue;
191			}
192
193			public function addArgument($name, $description, $defaultValue = null)
194			{
195			if (!$this->hasArgument($name) \|\| isset($defaultValue)) {
196			$this->arguments[$name] = $defaultValue;
197			}
198			unset($this->argumentDescriptions[$name]);
199			if (isset($description)) {
200			$this->argumentDescriptions[$name] = $description;
201			}
202			}
203
204			/**
205			* Examine the provided parameter, and determine whether it
206			* is a parameter that will be filled in with a positional
207			* commandline argument.
208			*
209			* @return false\|null\|string\|array
210			*/
211			protected function getArgumentClassification($param)
212			{
213			$defaultValue = null;
214			if ($param->isDefaultValueAvailable()) {
215			$defaultValue = $param->getDefaultValue();
216			if ($this->isAssoc($defaultValue)) {
217			return false;
218			}
219			}
220			if ($param->isArray()) {
221			return [];
222			}
223			// Commandline arguments must be strings, so ignore
224			// any parameter that is typehinted to anything else.
225			if (($param->getClass() != null) && ($param->getClass() != 'string')) {
226			return false;
227			}
228			return $defaultValue;
229			}
230
231			public function getOptions()
232			{
233			return $this->options;
234			}
235
236			public function hasOption($name)
237			{
238			return array_key_exists($name, $this->options);
239			}
240
241			public function setOptionDefaultValue($name, $defaultValue)
242			{
243			$this->options[$name] = $defaultValue;
244			}
245
246			public function addOption($name, $description, $defaultValue = false)
247			{
248			if (!$this->hasOption($name) \|\| $defaultValue) {
249			$this->options[$name] = $defaultValue;
250			}
251			unset($this->optionDescriptions[$name]);
252			if (isset($description)) {
253			$this->optionDescriptions[$name] = $description;
254			}
255			}
256
257			public function determineOptionsFromParameters()
258			{
259			$params = $this->reflection->getParameters();
260			if (empty($params)) {
261			return [];
262			}
263			$param = end($params);
264			if (!$param->isDefaultValueAvailable()) {
265			return [];
266			}
267			if (!$this->isAssoc($param->getDefaultValue())) {
268			return [];
269			}
270			return $param->getDefaultValue();
271			}
272
273			public function getArgumentDescription($name)
274			{
275			$this->parseDocBlock();
276			if (array_key_exists($name, $this->argumentDescriptions)) {
277			return $this->argumentDescriptions[$name];
278			}
279
280			return '';
281			}
282
283			public function getOptionDescription($name)
284			{
285			$this->parseDocBlock();
286			if (array_key_exists($name, $this->optionDescriptions)) {
287			return $this->optionDescriptions[$name];
288			}
289
290			return '';
291			}
292
293			protected function isAssoc($arr)
294			{
295			if (!is_array($arr)) {
296			return false;
297			}
298			return array_keys($arr) !== range(0, count($arr) - 1);
299			}
300
301			public function getAnnotations()
302			{
303			$this->parseDocBlock();
304			return $this->otherAnnotations;
305			}
306
307			public function getAnnotation($annotation)
308			{
309			// hasAnnotation parses the docblock
310			if (!$this->hasAnnotation($annotation)) {
311			return null;
312			}
313			return $this->otherAnnotations[$annotation];
314			}
315
316			public function hasAnnotation($annotation)
317			{
318			$this->parseDocBlock();
319			return array_key_exists($annotation, $this->otherAnnotations);
320			}
321
322			protected function convertName($camel)
323			{
324			$splitter="-";
325			$camel=preg_replace('/(?!^)[[:upper:]][[:lower:]]/', '$0', preg_replace('/(?!^)[[:upper:]]+/', $splitter.'$0', $camel));
326			$camel = preg_replace("/$splitter/", ':', $camel, 1);
327			return strtolower($camel);
328			}
329
330			public function setExampleUsage($usage, $description)
331			{
332			$this->exampleUsage[$usage] = $description;
333			}
334
335			/**
336			* Parse the docBlock comment for this command, and set the
337			* fields of this class with the data thereby obtained.
338			*/
339			protected function parseDocBlock()
340			{
341			if (!$this->docBlockIsParsed) {
342			$docblock = $this->reflection->getDocComment();
343			$parser = new CommandDocBlockParser($this);
344			$parser->parse($docblock);
345			$this->docBlockIsParsed = true;
346			}
347			}
348
349			/**
350			* Save any tag that we do not explicitly recognize in the
351			* 'otherAnnotations' map.
352			*/
353			public function addOtherAnnotation($name, $content)
354			{
355			$this->otherAnnotations[$name] = $content;
356			}
357
358			/**
359			* An option might have a name such as 'silent\|s'. In this
360			* instance, we will allow the @option or @default tag to
361			* reference the option only by name (e.g. 'silent' or 's'
362			* instead of 'silent\|s').
363			*/
364			public function findMatchingOption($optionName)
365			{
366			// Exit fast if there's an exact match
367			if (isset($this->options[$optionName])) {
368			return $optionName;
369			}
370			// Check to see if we can find the option name in an existing option,
371			// e.g. if the options array has 'silent\|s' => false, and the annotation
372			// is @silent.
373			foreach ($this->options as $name => $default) {
374			if (in_array($optionName, explode('\|', $name))) {
375			return $name;
376			}
377			}
378			// Check the other direction: if the annotation contains @silent\|s
379			// and the options array has 'silent\|s'.
380			$checkMatching = explode('\|', $optionName);
381			if (count($checkMatching) > 1) {
382			foreach ($checkMatching as $checkName) {
383			if (isset($this->options[$checkName])) {
384			$this->options[$optionName] = $this->options[$checkName];
385			unset($this->options[$checkName]);
386			return $optionName;
387			}
388			}
389			}
390			return $optionName;
391			}
392			/**
393			* Given a list that might be 'a b c' or 'a, b, c' or 'a,b,c',
394			* convert the data into the last of these forms.
395			*/
396			protected static function convertListToCommaSeparated($text)
397			{
398			return preg_replace('#[ \t\n\r,]+#', ',', $text);
399			}
400			}
401

consolidation / annotated-command

Pull Request — master (#15)

CommandInfo::processAliases() A

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