Language::__set() - Code Metrics - Inspection of "Updated readme and required php version" - kadet1090/KeyLighter - Measure and Improve Code Quality continuously with Scrutinizer

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by Kacper

created 2016-03-19 17:58 UTC

Language::__set() A

↳ Parent: Language

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
c	2
b	1
f	0
dl	0
loc	4
ccs	3
cts	3
cp	1
rs	10
cc	1
eloc	2
nc	1
nop	2
crap	1

<?php
/**
 * Highlighter
 *
 * Copyright (C) 2015, Some right reserved.
 *
 * @author Kacper "Kadet" Donat <[email protected]>
 *
 * Contact with author:
 * Xmpp: [email protected]
 * E-mail: [email protected]
 *
 * From Kadet with love.
 */

namespace Kadet\Highlighter\Language;

use Kadet\Highlighter\Matcher\WholeMatcher;
use Kadet\Highlighter\Parser\LanguageToken;
use Kadet\Highlighter\Parser\Rule;
use Kadet\Highlighter\Parser\Token;
use Kadet\Highlighter\Parser\TokenFactory;
use Kadet\Highlighter\Parser\TokenIterator;
use Kadet\Highlighter\Parser\TokenList;
use Kadet\Highlighter\Utils\ArrayHelper;

/**
 * Class Language
 *
 * @package Kadet\Highlighter\Language
 */
abstract class Language
{
    /**
     * @var array
     */
    protected $_options = [];
    /**
     * Tokenizer rules
     *
     * @var Rule[]
     */
    private $_rules;

    /**
     * Language constructor.
     *
     * @param array $options
     */
    public function __construct(array $options = [])
    {
        $this->_options = array_merge(
            [
                'embedded' => [],
            ], $this->_options, $options
        );

        $this->_rules = $this->getRules();
    }

    /**
     * Tokenization rules definition
     *
     * @return array
     */
    abstract public function getRules();

    /**
     * Parses source and removes wrong tokens.
     *
     * @param TokenIterator|string $tokens
     *
     * @param array                $additional
     * @param bool                 $embedded
     *
     * @return TokenIterator
     */
    public function parse($tokens = null, $additional = [], $embedded = false)
    {
        if (is_string($tokens)) {
            $tokens = $this->tokenize($tokens, $additional, $embedded);
        } elseif (!$tokens instanceof TokenIterator) {
            // Todo: Own Exceptions
            throw new \InvalidArgumentException('$tokens must be string or TokenIterator');
        }

        $start = $tokens->current();
        $context = [];

        /** @var Token[] $result */
        $result = [$start];
        /** @var Token[] $all */
        $all = [];

        /** @var Token $token */
        for ($tokens->next(); $tokens->valid(); $tokens->next()) {
            $token = $tokens->current();

            if (!$token->isValid($this, $context)) {
                continue;
            }

            if ($token->isStart()) {
                if ($token instanceof LanguageToken) {
                    /** @var LanguageToken $token */
                    $result = array_merge(
                        $result,
                        $token->getInjected()->parse($tokens)->getTokens()
                    );
                } else {
                    $all[spl_object_hash($token)] = $result[] = $token;
                    $context[spl_object_hash($token)] = $token->name;
                }
            } else {
                $start = $token->getStart();

                /** @noinspection PhpUndefinedMethodInspection bug */
                if ($token instanceof LanguageToken && $token->getLanguage() === $this) {
                    $result[0]->setEnd($token);

                    if ($result[0]->getRule()->postProcess) {
                        $source = substr($tokens->getSource(), $result[0]->pos, $result[0]->getLength());

                        $tokens = $this->tokenize($source, $result, $result[0]->pos, true);
                        $result = $this->parse($tokens)->getTokens();
                    }

                    # closing unclosed tokens
                    foreach (array_reverse($context) as $hash => $name) {
                        $end = new Token([$name, 'pos' => $token->pos]);
                        $all[$hash]->setEnd($end);
                        $result[] = $end;
                    }

                    $result[] = $token;
                    break;
                } else {
                    if ($start) {
                        unset($context[spl_object_hash($start)]);
                    } else {
                        /** @noinspection PhpUnusedParameterInspection */
                        $start = ArrayHelper::find(
                            array_reverse($context), function ($k, $v) use ($token) {
                            return $v === $token->name;
                        });

                        if ($start !== false) {
                            $token->setStart($all[$start]);
                            unset($context[$start]);
                        }
                    }

                    $result[] = $token;
                }
            }
        }

        return new TokenIterator($result, $tokens->getSource());
    }

    public function tokenize($source, $additional = [], $offset = 0, $embedded = false)
    {
        $iterator = new TokenIterator(
            $this->_tokens($source, $offset, $additional, $embedded)->sort()->toArray(), $source
        );

        return $iterator;
    }

    /**
     * Tokenize source
     *
     * @param       $source
     *
     * @param int   $offset
     * @param array $additional
     *
     * @param bool  $embedded
     *
     * @return TokenList
     */
    private function _tokens($source, $offset = 0, $additional = [], $embedded = false)
    {
        $result = new TokenList();

        /** @var Language $language */
        foreach ($this->_rules($embedded) as $rule) {
            $rule->factory->setOffset($offset);
            foreach ($rule->match($source) as $token) {
                $result->add($token);
            }
        }

        return $result->batch($additional);
    }

    /**
     * @param bool $embedded
     *
     * @return Rule[]
     */
    private function _rules($embedded = false)
    {
        $all = $this->_rules;
        if (!$embedded) {
            $all['language.' . $this->getIdentifier()] = $this->getOpenClose();
        }

        // why this code sucks so much? Because RecursiveIterator performance such a lot more.
        foreach ($all as $name => $rules) {
            if (!is_array($rules)) {
                $rules = [$rules];
            }

            /** @var Rule $rule */
            foreach ($rules as $rule) {
                if ($rule->language === false) {
                    $rule->language = $this;
                }

                $rule->factory->setBase($name);

                yield $rule;
            }
        }

        foreach ($this->getEmbedded() as $language) {
            foreach ($language->_rules() as $rule) {
                yield $rule;
            }
        }
    }

    /**
     * Unique language identifier, for example 'php'
     *
     * @return string
     */
    abstract public function getIdentifier();

    /**
     * Language range Rule(s)
     *
     * @return Rule|Rule[]
     */
    public function getOpenClose()
    {
        return new Rule(
            new WholeMatcher(), [
                'priority' => 1000,
                'factory'  => new TokenFactory(LanguageToken::class),
                'inject'   => $this,
                'language' => null,
                'context'  => ['!!'],
            ]
        );
    }

    /**
     * @return Language[]
     */
    public function getEmbedded()
    {
        return $this->_options['embedded'];
    }

    /**
     * @param Language $lang
     */
    public function embed(Language $lang)
    {
        $this->_options['embedded'][] = $lang;
    }

    public function __get($name)
    {
        return isset($this->_options[$name]) ? $this->_options[$name] : null;
    }

    public function __set($name, $value)
    {
        $this->_options[$name] = $value;
    }
}


1		<?php
2		/**
3		* Highlighter
4		*
5		* Copyright (C) 2015, Some right reserved.
6		*
7		* @author Kacper "Kadet" Donat <[email protected]>
8		*
9		* Contact with author:
10		* Xmpp: [email protected]
11		* E-mail: [email protected]
12		*
13		* From Kadet with love.
14		*/
15
16		namespace Kadet\Highlighter\Language;
17
18		use Kadet\Highlighter\Matcher\WholeMatcher;
19		use Kadet\Highlighter\Parser\LanguageToken;
20		use Kadet\Highlighter\Parser\Rule;
21		use Kadet\Highlighter\Parser\Token;
22		use Kadet\Highlighter\Parser\TokenFactory;
23		use Kadet\Highlighter\Parser\TokenIterator;
24		use Kadet\Highlighter\Parser\TokenList;
25		use Kadet\Highlighter\Utils\ArrayHelper;
26
27		/**
28		* Class Language
29		*
30		* @package Kadet\Highlighter\Language
31		*/
32		abstract class Language
33		{
34		/**
35		* @var array
36		*/
37		protected $_options = [];
38		/**
39		* Tokenizer rules
40		*
41		* @var Rule[]
42		*/
43		private $_rules;
44
45		/**
46		* Language constructor.
47		*
48		* @param array $options
49		*/
50	22	public function __construct(array $options = [])
51		{
52	22	$this->_options = array_merge(
53		[
54	22	'embedded' => [],
55	22	], $this->_options, $options
56	22	);
57
58	22	$this->_rules = $this->getRules();
59	22	}
60
61		/**
62		* Tokenization rules definition
63		*
64		* @return array
65		*/
66		abstract public function getRules();
67
68		/**
69		* Parses source and removes wrong tokens.
70		*
71		* @param TokenIterator\|string $tokens
72		*
73		* @param array $additional
74		* @param bool $embedded
75		*
76		* @return TokenIterator
77		*/
78	12	public function parse($tokens = null, $additional = [], $embedded = false)
79		{
80	12	if (is_string($tokens)) {
81	11	$tokens = $this->tokenize($tokens, $additional, $embedded);
82	12	} elseif (!$tokens instanceof TokenIterator) {
83		// Todo: Own Exceptions
84	1	throw new \InvalidArgumentException('$tokens must be string or TokenIterator');
85		}
86
87	11	$start = $tokens->current();
88	11	$context = [];
89
90		/** @var Token[] $result */
91	11	$result = [$start];
92		/** @var Token[] $all */
93	11	$all = [];
94
95		/** @var Token $token */
96	11	for ($tokens->next(); $tokens->valid(); $tokens->next()) {
97	11	$token = $tokens->current();
98
99	11	if (!$token->isValid($this, $context)) {
100	3	continue;
101		}
102
103	11	if ($token->isStart()) {
104	10	if ($token instanceof LanguageToken) {
105		/** @var LanguageToken $token */
106	2	$result = array_merge(
107	2	$result,
108	2	$token->getInjected()->parse($tokens)->getTokens()
109	2	);
110	2	} else {
111	10	$all[spl_object_hash($token)] = $result[] = $token;
112	10	$context[spl_object_hash($token)] = $token->name;
113		}
114	10	} else {
115	12	$start = $token->getStart();
116
117		/** @noinspection PhpUndefinedMethodInspection bug */
118	11	if ($token instanceof LanguageToken && $token->getLanguage() === $this) {
119	11	$result[0]->setEnd($token);
120
121	11	if ($result[0]->getRule()->postProcess) {
122	1	$source = substr($tokens->getSource(), $result[0]->pos, $result[0]->getLength());
123
124	1	$tokens = $this->tokenize($source, $result, $result[0]->pos, true);
125	1	$result = $this->parse($tokens)->getTokens();
126	1	}
127
128		# closing unclosed tokens
129	11	foreach (array_reverse($context) as $hash => $name) {
130	1	$end = new Token([$name, 'pos' => $token->pos]);
131	1	$all[$hash]->setEnd($end);
132	1	$result[] = $end;
133	11	}
134
135	11	$result[] = $token;
136	11	break;
137		} else {
138	9	if ($start) {
139	8	unset($context[spl_object_hash($start)]);
140	8	} else {
141		/** @noinspection PhpUnusedParameterInspection */
142	1	$start = ArrayHelper::find(
143	1	array_reverse($context), function ($k, $v) use ($token) {
144	1	return $v === $token->name;
145	1	});
146
147	1	if ($start !== false) {
148	1	$token->setStart($all[$start]);
149	1	unset($context[$start]);
150	1	}
151		}
152
153	9	$result[] = $token;
154		}
155		}
156	10	}
157
158	11	return new TokenIterator($result, $tokens->getSource());
159		}
160
161	12	public function tokenize($source, $additional = [], $offset = 0, $embedded = false)
162		{
163	12	$iterator = new TokenIterator(
164	12	$this->_tokens($source, $offset, $additional, $embedded)->sort()->toArray(), $source
165	12	);
166
167	12	return $iterator;
168		}
169
170		/**
171		* Tokenize source
172		*
173		* @param $source
174		*
175		* @param int $offset
176		* @param array $additional
177		*
178		* @param bool $embedded
179		*
180		* @return TokenList
181		*/
182	12	private function _tokens($source, $offset = 0, $additional = [], $embedded = false)
183		{
184	12	$result = new TokenList();
185
186		/** @var Language $language */
187	12	foreach ($this->_rules($embedded) as $rule) {
188	12	$rule->factory->setOffset($offset);
189	12	foreach ($rule->match($source) as $token) {
190	12	$result->add($token);
191	12	}
192	12	}
193
194	12	return $result->batch($additional);
195		}
196
197		/**
198		* @param bool $embedded
199		*
200		* @return Rule[]
201		*/
202	12	private function _rules($embedded = false)
203		{
204	12	$all = $this->_rules;
205	12	if (!$embedded) {
206	12	$all['language.' . $this->getIdentifier()] = $this->getOpenClose();
207	12	}
208
209		// why this code sucks so much? Because RecursiveIterator performance such a lot more.
210	12	foreach ($all as $name => $rules) {
211	12	if (!is_array($rules)) {
212	12	$rules = [$rules];
213	12	}
214
215		/** @var Rule $rule */
216	12	foreach ($rules as $rule) {
217	12	if ($rule->language === false) {
218	11	$rule->language = $this;
219	11	}
220
221	12	$rule->factory->setBase($name);
222
223	12	yield $rule;
224	12	}
225	12	}
226
227	12	foreach ($this->getEmbedded() as $language) {
228	1	foreach ($language->_rules() as $rule) {
229	1	yield $rule;
230	1	}
231	12	}
232	12	}
233
234		/**
235		* Unique language identifier, for example 'php'
236		*
237		* @return string
238		*/
239		abstract public function getIdentifier();
240
241		/**
242		* Language range Rule(s)
243		*
244		* @return Rule\|Rule[]
245		*/
246	16	public function getOpenClose()
247		{
248	16	return new Rule(
249	16	new WholeMatcher(), [
250	16	'priority' => 1000,
251	16	'factory' => new TokenFactory(LanguageToken::class),
252	16	'inject' => $this,
253	16	'language' => null,
254	16	'context' => ['!!'],
255		]
256	16	);
257		}
258
259		/**
260		* @return Language[]
261		*/
262	13	public function getEmbedded()
263		{
264	13	return $this->_options['embedded'];
265		}
266
267		/**
268		* @param Language $lang
269		*/
270	1	public function embed(Language $lang)
271		{
272	1	$this->_options['embedded'][] = $lang;
273	1	}
274
275	1	public function __get($name)
276		{
277	1	return isset($this->_options[$name]) ? $this->_options[$name] : null;
278		}
279
280	1	public function __set($name, $value)
281		{
282	1	$this->_options[$name] = $value;
283	1	}
284		}
285

kadet1090 / KeyLighter

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Language::__set() A

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