ConvertHelper_ThrowableInfo::parsePrevious() - Code Metrics - Inspection of "Added changes." - Mistralys/application-utils - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 025a78...0027ff )

by Sebastian

created 2021-10-22 17:05 UTC

ConvertHelper_ThrowableInfo::parsePrevious() A

↳ Parent: ConvertHelper_ThrowableInfo

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	3
c	0
b	0
f	0
dl	0
loc	7
rs	10
cc	2
nc	2
nop	1

<?php

declare(strict_types=1);

namespace AppUtils;

use Exception;
use Throwable;

class ConvertHelper_ThrowableInfo implements Interface_Optionable
{
    use Traits_Optionable;
    
    const ERROR_NO_PREVIOUS_EXCEPTION = 43301;
    const ERROR_INVALID_SERIALIZED_DATA_TYPE = 43302;
    
    const FORMAT_HTML = 'html';

    const CONTEXT_COMMAND_LINE = 'cli';
    const CONTEXT_WEB = 'web';

    /**
    * @var Throwable
    */
    protected $exception;
    
   /**
    * @var ConvertHelper_ThrowableInfo_Call[]
    */
    protected $calls = array();
    
   /**
    * @var integer
    */
    protected $code = 0;
    
   /**
    * @var string
    */
    protected $message;
    
   /**
    * @var integer
    */
    protected $callsCount = 0;
    
   /**
    * @var ConvertHelper_ThrowableInfo
    */
    protected $previous;
    
   /**
    * @var string
    */
    protected $referer = '';
    
   /**
    * @var Microtime
    */
    protected $date;
    
   /**
    * @var string
    */
    protected $context = self::CONTEXT_WEB;

    /**
     * @var string
     */
    private $class = '';

    /**
     * @var string
     */
    private $details = '';

    /**
     * @param array<string,mixed>|Throwable $subject
     * @throws Exception
     */
    protected function __construct($subject)
    {
        if(is_array($subject))
        {
            $this->parseSerialized($subject);
        }
        else
        {
            $this->parseException($subject);
        }
    }
    
    public static function fromThrowable(Throwable $e) : ConvertHelper_ThrowableInfo
    {
        return new ConvertHelper_ThrowableInfo($e);
    }

    /**
     * @param array<string,mixed> $serialized
     * @return ConvertHelper_ThrowableInfo
     * @throws ConvertHelper_Exception
     */
    public static function fromSerialized(array $serialized) : ConvertHelper_ThrowableInfo
    {
        return new ConvertHelper_ThrowableInfo(ConvertHelper_ThrowableInfo_Serializer::unserialize($serialized));
    }
    
    public function getCode() : int
    {
        return $this->code;
    }
    
    public function getMessage() : string
    {
        return $this->message;
    }

    public function getDefaultOptions() : array
    {
        return array(
            'folder-depth' => 2
        );
    }
    
    public function hasPrevious() : bool
    {
        return isset($this->previous);
    }
    
   /**
    * Retrieves the information on the previous exception.
    * 
    * NOTE: Throws an exception if there is no previous 
    * exception. Use hasPrevious() first to avoid this.
    * 
    * @throws ConvertHelper_Exception
    * @return ConvertHelper_ThrowableInfo
    * @see ConvertHelper_ThrowableInfo::ERROR_NO_PREVIOUS_EXCEPTION
    */
    public function getPrevious() : ConvertHelper_ThrowableInfo
    {
        if(isset($this->previous)) {
            return $this->previous;
        }
        
        throw new ConvertHelper_Exception(
            'Cannot get previous exception info: none available.',
            'Always use hasPrevious() before using getPrevious() to avoid this error.',
            self::ERROR_NO_PREVIOUS_EXCEPTION
        );
    }
    
    public function hasCode() : bool
    {
        return !empty($this->code);
    }
    
   /**
    * Improved text-only exception trace.
    */
    public function toString() : string
    {
        return (new ConvertHelper_ThrowableInfo_StringConverter($this))
            ->toString();
    }
    
   /**
    * Retrieves the URL of the page in which the exception
    * was thrown, if applicable: in CLI context, this will
    * return an empty string.
    * 
    * @return string
    */
    public function getReferer() : string
    {
        return $this->referer;
    }
    
   /**
    * Whether the exception occurred in a command line context.
    * @return bool
    */
    public function isCommandLine() : bool
    {
        return $this->getContext() === self::CONTEXT_COMMAND_LINE;
    }
    
   /**
    * Whether the exception occurred during an http request.
    * @return bool
    */
    public function isWebRequest() : bool
    {
        return $this->getContext() === self::CONTEXT_WEB;
    }
    
   /**
    * Retrieves the context identifier, i.e. if the exception
    * occurred in a command line context or regular web request.
    * 
    * @return string
    * 
    * @see ConvertHelper_ThrowableInfo::isCommandLine()
    * @see ConvertHelper_ThrowableInfo::isWebRequest()
    * @see ConvertHelper_ThrowableInfo::CONTEXT_COMMAND_LINE
    * @see ConvertHelper_ThrowableInfo::CONTEXT_WEB
    */
    public function getContext() : string
    {
        return $this->context;
    }
    
   /**
    * Retrieves the date of the exception, and approximate time:
    * since exceptions do not store time, this is captured the 
    * moment the ThrowableInfo is created.
    * 
    * @return Microtime
    */
    public function getDate() : Microtime
    {
        return $this->date;
    }

    /**
     * Serializes all information on the exception to an
     * associative array. This can be saved (file, database,
     * session...), and later be restored into a throwable
     * info instance using the fromSerialized() method.
     *
     * @return array<string,mixed>
     * @throws ConvertHelper_Exception
     * @see ConvertHelper_ThrowableInfo::fromSerialized()
     */
    public function serialize() : array
    {
        return ConvertHelper_ThrowableInfo_Serializer::serialize($this);
    }

   /**
    * Sets the maximum folder depth to show in the 
    * file paths, to avoid them being too long.
    * 
    * @param int $depth
    * @return ConvertHelper_ThrowableInfo
    */
    public function setFolderDepth(int $depth) : ConvertHelper_ThrowableInfo
    {
        return $this->setOption('folder-depth', $depth);
    }
    
   /**
    * Retrieves the current folder depth option value.
    * 
    * @return int
    * @see ConvertHelper_ThrowableInfo::setFolderDepth()
    */
    public function getFolderDepth() : int
    {
        $depth = $this->getOption('folder-depth');
        if(!empty($depth)) {
            return $depth;
        }
        
        return 2;
    }
    
   /**
    * Retrieves all function calls that led to the error,
    * ordered from latest to earliest (the first one in
    * the stack is actually the last call).
    *
    * @return ConvertHelper_ThrowableInfo_Call[]
    */
    public function getCalls()
    {
        return $this->calls;
    }

    /**
     * Retrieves the last call that led to the error.
     *
     * @return ConvertHelper_ThrowableInfo_Call
     */
    public function getFinalCall() : ConvertHelper_ThrowableInfo_Call
    {
        return $this->calls[0];
    }
    
   /**
    * Returns the amount of function and method calls in the stack trace.
    * @return int
    */
    public function countCalls() : int
    {
        return $this->callsCount;
    }


    /**
     * @param array<string,mixed> $serialized
     * @throws Exception
     */
    private function parseSerialized(array $serialized) : void
    {
        $this->date = new Microtime($serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_DATE]);
        $this->class = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CLASS];
        $this->details = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_DETAILS];
        $this->code = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CODE];
        $this->message = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_MESSAGE];
        $this->referer = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_REFERER];
        $this->context = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CONTEXT];
        $this->callsCount = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_AMOUNT_CALLS];
        $this->previous = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_PREVIOUS];

        $this->setOptions($serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_OPTIONS]);
        
        foreach($serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CALLS] as $def)
        {
            $this->calls[] = ConvertHelper_ThrowableInfo_Call::fromSerialized($this, $def);
        }
    }
    
    protected function parseException(Throwable $e) : void
    {
        $this->date = new Microtime();
        $this->class = get_class($e);

        if($e instanceof BaseException)
        {
            $this->details = $e->getDetails();
        }

        $this->parseMessage($e);
        $this->parsePrevious($e);
        $this->parseContext();
        $this->parseTrace($e);
    }

    /**
     * Retrieves the class name of the exception.
     *
     * @return string
     */
    public function getClass() : string
    {
        return $this->class;
    }

    /**
     * Converts the exception's information into a human-
     * readable string containing the exception's essentials.
     *
     * It includes any previous exceptions as well, recursively.
     *
     * @param bool $withDeveloperInfo Whether to include developer-specific info
     *                                when available (which may include sensitive
     *                                information).
     * @return string
     * @throws ConvertHelper_Exception
     */
    public function renderErrorMessage(bool $withDeveloperInfo=false) : string
    {
        return (new ConvertHelper_ThrowableInfo_MessageRenderer($this, $withDeveloperInfo))
            ->render();
    }

    public function getDetails() : string
    {
        return $this->details;
    }

    public function hasDetails() : bool
    {
        return !empty($this->details);
    }
    
    public function __toString()
    {
        return $this->toString();
    }

    /**
     * @param Throwable $e
     */
    private function parseTrace(Throwable $e) : void
    {
        $trace = $e->getTrace();

        // add the origin file as entry
        array_unshift($trace, array(
            'file' => $e->getFile(),
            'line' => $e->getLine()
        ));

        $idx = 1;

        foreach ($trace as $entry)
        {
            $this->calls[] = ConvertHelper_ThrowableInfo_Call::fromTrace($this, $idx, $entry);

            $idx++;
        }

        // we want the last function call first
        $this->calls = array_reverse($this->calls, false);

        $this->callsCount = count($this->calls);
    }

    private function parseContext() : void
    {
        if (!isset($_REQUEST['REQUEST_URI']))
        {
            $this->context = self::CONTEXT_COMMAND_LINE;
        }

        if (isset($_SERVER['REQUEST_URI']))
        {
            $this->referer = $_SERVER['REQUEST_URI'];
        }
    }

    /**
     * @param Throwable $e
     */
    private function parseMessage(Throwable $e) : void
    {
        $code = $e->getCode();
        $this->message = $e->getMessage();

        if (is_integer($code))

        {
            $this->code = $code;
        }
        else
        {
            $this->message = 'Original error code: [' . $code . ']. ' . $this->message;
        }
    }

    /**
     * @param Throwable $e
     */
    protected function parsePrevious(Throwable $e) : void
    {
        $previous = $e->getPrevious();

        if (!empty($previous))
        {
            $this->previous = ConvertHelper::throwable2info($previous);
        }
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace AppUtils;
6
7			use Exception;
8			use Throwable;
9
10			class ConvertHelper_ThrowableInfo implements Interface_Optionable
11			{
12			use Traits_Optionable;
13
14			const ERROR_NO_PREVIOUS_EXCEPTION = 43301;
15			const ERROR_INVALID_SERIALIZED_DATA_TYPE = 43302;
16
17			const FORMAT_HTML = 'html';
18
19			const CONTEXT_COMMAND_LINE = 'cli';
20			const CONTEXT_WEB = 'web';
21
22			/**
23			* @var Throwable
24			*/
25			protected $exception;
26
27			/**
28			* @var ConvertHelper_ThrowableInfo_Call[]
29			*/
30			protected $calls = array();
31
32			/**
33			* @var integer
34			*/
35			protected $code = 0;
36
37			/**
38			* @var string
39			*/
40			protected $message;
41
42			/**
43			* @var integer
44			*/
45			protected $callsCount = 0;
46
47			/**
48			* @var ConvertHelper_ThrowableInfo
49			*/
50			protected $previous;
51
52			/**
53			* @var string
54			*/
55			protected $referer = '';
56
57			/**
58			* @var Microtime
59			*/
60			protected $date;
61
62			/**
63			* @var string
64			*/
65			protected $context = self::CONTEXT_WEB;
66
67			/**
68			* @var string
69			*/
70			private $class = '';
71
72			/**
73			* @var string
74			*/
75			private $details = '';
76
77			/**
78			* @param array<string,mixed>\|Throwable $subject
79			* @throws Exception
80			*/
81			protected function __construct($subject)
82			{
83			if(is_array($subject))
84			{
85			$this->parseSerialized($subject);
86			}
87			else
88			{
89			$this->parseException($subject);
90			}
91			}
92
93			public static function fromThrowable(Throwable $e) : ConvertHelper_ThrowableInfo
94			{
95			return new ConvertHelper_ThrowableInfo($e);
96			}
97
98			/**
99			* @param array<string,mixed> $serialized
100			* @return ConvertHelper_ThrowableInfo
101			* @throws ConvertHelper_Exception
102			*/
103			public static function fromSerialized(array $serialized) : ConvertHelper_ThrowableInfo
104			{
105			return new ConvertHelper_ThrowableInfo(ConvertHelper_ThrowableInfo_Serializer::unserialize($serialized));
106			}
107
108			public function getCode() : int
109			{
110			return $this->code;
111			}
112
113			public function getMessage() : string
114			{
115			return $this->message;
116			}
117
118			public function getDefaultOptions() : array
119			{
120			return array(
121			'folder-depth' => 2
122			);
123			}
124
125			public function hasPrevious() : bool
126			{
127			return isset($this->previous);
128			}
129
130			/**
131			* Retrieves the information on the previous exception.
132			*
133			* NOTE: Throws an exception if there is no previous
134			* exception. Use hasPrevious() first to avoid this.
135			*
136			* @throws ConvertHelper_Exception
137			* @return ConvertHelper_ThrowableInfo
138			* @see ConvertHelper_ThrowableInfo::ERROR_NO_PREVIOUS_EXCEPTION
139			*/
140			public function getPrevious() : ConvertHelper_ThrowableInfo
141			{
142			if(isset($this->previous)) {
143			return $this->previous;
144			}
145
146			throw new ConvertHelper_Exception(
147			'Cannot get previous exception info: none available.',
148			'Always use hasPrevious() before using getPrevious() to avoid this error.',
149			self::ERROR_NO_PREVIOUS_EXCEPTION
150			);
151			}
152
153			public function hasCode() : bool
154			{
155			return !empty($this->code);
156			}
157
158			/**
159			* Improved text-only exception trace.
160			*/
161			public function toString() : string
162			{
163			return (new ConvertHelper_ThrowableInfo_StringConverter($this))
164			->toString();
165			}
166
167			/**
168			* Retrieves the URL of the page in which the exception
169			* was thrown, if applicable: in CLI context, this will
170			* return an empty string.
171			*
172			* @return string
173			*/
174			public function getReferer() : string
175			{
176			return $this->referer;
177			}
178
179			/**
180			* Whether the exception occurred in a command line context.
181			* @return bool
182			*/
183			public function isCommandLine() : bool
184			{
185			return $this->getContext() === self::CONTEXT_COMMAND_LINE;
186			}
187
188			/**
189			* Whether the exception occurred during an http request.
190			* @return bool
191			*/
192			public function isWebRequest() : bool
193			{
194			return $this->getContext() === self::CONTEXT_WEB;
195			}
196
197			/**
198			* Retrieves the context identifier, i.e. if the exception
199			* occurred in a command line context or regular web request.
200			*
201			* @return string
202			*
203			* @see ConvertHelper_ThrowableInfo::isCommandLine()
204			* @see ConvertHelper_ThrowableInfo::isWebRequest()
205			* @see ConvertHelper_ThrowableInfo::CONTEXT_COMMAND_LINE
206			* @see ConvertHelper_ThrowableInfo::CONTEXT_WEB
207			*/
208			public function getContext() : string
209			{
210			return $this->context;
211			}
212
213			/**
214			* Retrieves the date of the exception, and approximate time:
215			* since exceptions do not store time, this is captured the
216			* moment the ThrowableInfo is created.
217			*
218			* @return Microtime
219			*/
220			public function getDate() : Microtime
221			{
222			return $this->date;
223			}
224
225			/**
226			* Serializes all information on the exception to an
227			* associative array. This can be saved (file, database,
228			* session...), and later be restored into a throwable
229			* info instance using the fromSerialized() method.
230			*
231			* @return array<string,mixed>
232			* @throws ConvertHelper_Exception
233			* @see ConvertHelper_ThrowableInfo::fromSerialized()
234			*/
235			public function serialize() : array
236			{
237			return ConvertHelper_ThrowableInfo_Serializer::serialize($this);
238			}
239
240			/**
241			* Sets the maximum folder depth to show in the
242			* file paths, to avoid them being too long.
243			*
244			* @param int $depth
245			* @return ConvertHelper_ThrowableInfo
246			*/
247			public function setFolderDepth(int $depth) : ConvertHelper_ThrowableInfo
248			{
249			return $this->setOption('folder-depth', $depth);
250			}
251
252			/**
253			* Retrieves the current folder depth option value.
254			*
255			* @return int
256			* @see ConvertHelper_ThrowableInfo::setFolderDepth()
257			*/
258			public function getFolderDepth() : int
259			{
260			$depth = $this->getOption('folder-depth');
261			if(!empty($depth)) {
262			return $depth;
263			}
264
265			return 2;
266			}
267
268			/**
269			* Retrieves all function calls that led to the error,
270			* ordered from latest to earliest (the first one in
271			* the stack is actually the last call).
272			*
273			* @return ConvertHelper_ThrowableInfo_Call[]
274			*/
275			public function getCalls()
276			{
277			return $this->calls;
278			}
279
280			/**
281			* Retrieves the last call that led to the error.
282			*
283			* @return ConvertHelper_ThrowableInfo_Call
284			*/
285			public function getFinalCall() : ConvertHelper_ThrowableInfo_Call
286			{
287			return $this->calls[0];
288			}
289
290			/**
291			* Returns the amount of function and method calls in the stack trace.
292			* @return int
293			*/
294			public function countCalls() : int
295			{
296			return $this->callsCount;
297			}
298
299
300			/**
301			* @param array<string,mixed> $serialized
302			* @throws Exception
303			*/
304			private function parseSerialized(array $serialized) : void
305			{
306			$this->date = new Microtime($serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_DATE]);
307			$this->class = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CLASS];
308			$this->details = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_DETAILS];
309			$this->code = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CODE];
310			$this->message = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_MESSAGE];
311			$this->referer = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_REFERER];
312			$this->context = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CONTEXT];
313			$this->callsCount = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_AMOUNT_CALLS];
314			$this->previous = $serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_PREVIOUS];
315
316			$this->setOptions($serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_OPTIONS]);
317
318			foreach($serialized[ConvertHelper_ThrowableInfo_Serializer::SERIALIZED_CALLS] as $def)
319			{
320			$this->calls[] = ConvertHelper_ThrowableInfo_Call::fromSerialized($this, $def);
321			}
322			}
323
324			protected function parseException(Throwable $e) : void
325			{
326			$this->date = new Microtime();
327			$this->class = get_class($e);
328
329			if($e instanceof BaseException)
330			{
331			$this->details = $e->getDetails();
332			}
333
334			$this->parseMessage($e);
335			$this->parsePrevious($e);
336			$this->parseContext();
337			$this->parseTrace($e);
338			}
339
340			/**
341			* Retrieves the class name of the exception.
342			*
343			* @return string
344			*/
345			public function getClass() : string
346			{
347			return $this->class;
348			}
349
350			/**
351			* Converts the exception's information into a human-
352			* readable string containing the exception's essentials.
353			*
354			* It includes any previous exceptions as well, recursively.
355			*
356			* @param bool $withDeveloperInfo Whether to include developer-specific info
357			* when available (which may include sensitive
358			* information).
359			* @return string
360			* @throws ConvertHelper_Exception
361			*/
362			public function renderErrorMessage(bool $withDeveloperInfo=false) : string
363			{
364			return (new ConvertHelper_ThrowableInfo_MessageRenderer($this, $withDeveloperInfo))
365			->render();
366			}
367
368			public function getDetails() : string
369			{
370			return $this->details;
371			}
372
373			public function hasDetails() : bool
374			{
375			return !empty($this->details);
376			}
377
378			public function __toString()
379			{
380			return $this->toString();
381			}
382
383			/**
384			* @param Throwable $e
385			*/
386			private function parseTrace(Throwable $e) : void
387			{
388			$trace = $e->getTrace();
389
390			// add the origin file as entry
391			array_unshift($trace, array(
392			'file' => $e->getFile(),
393			'line' => $e->getLine()
394			));
395
396			$idx = 1;
397
398			foreach ($trace as $entry)
399			{
400			$this->calls[] = ConvertHelper_ThrowableInfo_Call::fromTrace($this, $idx, $entry);
401
402			$idx++;
403			}
404
405			// we want the last function call first
406			$this->calls = array_reverse($this->calls, false);
407
408			$this->callsCount = count($this->calls);
409			}
410
411			private function parseContext() : void
412			{
413			if (!isset($_REQUEST['REQUEST_URI']))
414			{
415			$this->context = self::CONTEXT_COMMAND_LINE;
416			}
417
418			if (isset($_SERVER['REQUEST_URI']))
419			{
420			$this->referer = $_SERVER['REQUEST_URI'];
421			}
422			}
423
424			/**
425			* @param Throwable $e
426			*/
427			private function parseMessage(Throwable $e) : void
428			{
429			$code = $e->getCode();
430			$this->message = $e->getMessage();
431
432			if (is_integer($code))
			0 ignored issues – show introduced 2021-10-22 16:03 UTC by Report Bug Copy Issue Report The condition `is_integer($code)` is always `true`. Loading history...
433			{
434			$this->code = $code;
435			}
436			else
437			{
438			$this->message = 'Original error code: [' . $code . ']. ' . $this->message;
439			}
440			}
441
442			/**
443			* @param Throwable $e
444			*/
445			protected function parsePrevious(Throwable $e) : void
446			{
447			$previous = $e->getPrevious();
448
449			if (!empty($previous))
450			{
451			$this->previous = ConvertHelper::throwable2info($previous);
452			}
453			}
454			}
455

Mistralys / application-utils

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ConvertHelper_ThrowableInfo::parsePrevious() A

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