ConsoleColor::setThemes() - Code Metrics - Inspection of "wp 41" - alecrabbit/php-console-colour - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — master ( 5c7057...3a5cce )

by Alec

created 2019-03-30 10:03 UTC

ConsoleColor::setThemes() A

↳ Parent: ConsoleColor

Complexity

Conditions	2
Paths	2

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	1
dl	0
loc	5
ccs	2
cts	2
cp	1
crap	2
rs	10
c	0
b	0
f	0

<?php declare(strict_types=1);

namespace AlecRabbit\ConsoleColour;

use AlecRabbit\ConsoleColour\Contracts\ConsoleColorInterface;
use AlecRabbit\ConsoleColour\Exception\InvalidStyleException;

class ConsoleColor implements ConsoleColorInterface
{
    /** @var bool */
    protected $supported;

    /** @var bool */
    protected $forceStyle = false;

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

    /** @var bool */
    protected $are256ColorsSupported;

    public function __construct()
    {
        $terminal = new Terminal();
        $this->supported = $terminal->supportsColor();
        $this->are256ColorsSupported = $terminal->supports256Color();
    }

    /** {@inheritdoc} */
    public function apply($styles, $text): string
    {
        if (!$this->isStyleForced() && !$this->isSupported()) {
            return $text;
        }

        $sequences =
            $this->getSequencesFrom(
                $this->refineStyles($styles)
            );

        if (empty($sequences)) {
            return $text;
        }

        return $this->applySequences($text, $sequences);
    }

    /** {@inheritdoc} */
    public function isStyleForced(): bool
    {
        return $this->forceStyle;
    }

    /** {@inheritdoc} */
    public function isSupported(): bool
    {
        return $this->supported;
    }

    /**
     * @param array $styles
     * @return array
     * @throws InvalidStyleException
     */
    protected function getSequencesFrom(array $styles): array
    {
        $sequences = [[]];

        foreach ($styles as $style) {
            if (isset($this->themes[$style])) {
                $sequences[] = $this->themeSequence($style);
            } elseif ($this->isValid($style)) {
                $sequences[][] = $this->styleSequence($style);
            } else {
                throw new InvalidStyleException($style);
            }
        }

        $sequences =
            array_filter(
                array_merge(...$sequences),
                /**
                 * @param mixed $val
                 * @return bool
                 * @psalm-suppress MissingClosureParamType
                 */
                static function ($val): bool {
                    return $val !== null;
                }
            );

        return $sequences;
    }

    /**
     * @param string $name
     * @return string[]|null[]
     */
    protected function themeSequence($name): array
    {
        $sequences = [];
        foreach ($this->themes[$name] as $style) {
            $sequences[] = $this->styleSequence($style);
        }
        return $sequences;
    }

    /**
     * @param string $style
     * @return null|string
     */
    protected function styleSequence($style): ?string
    {
        if (\array_key_exists($style, static::CODES)) {
            return static::CODES[$style];
        }

        if (!$this->are256ColorsSupported()) {
            return null;
        }

        return
            $this->process256ColorStyle($style);
    }

    /** {@inheritdoc} */
    public function are256ColorsSupported(): bool
    {
        return $this->are256ColorsSupported;
    }

    /**
     * @param string $style
     * @return string
     */
    protected function process256ColorStyle(string $style): string
    {
        preg_match(self::COLOR256_REGEXP, $style, $matches);
        return
            sprintf(
                '%s;5;%s',
                $matches[1] === self::BG ? self::BACKGROUND : self::FOREGROUND,
                $matches[2]
            );
    }

    /**
     * @param string $style
     * @return bool
     */
    protected function isValid($style): bool
    {
        return
            \array_key_exists($style, static::CODES) || (bool)preg_match(self::COLOR256_REGEXP, $style);
    }

    /**
     * @param int|string|array $styles
     * @return array
     */
    protected function refineStyles($styles): array
    {
        if (\is_int($styles)) {
            $styles = [$styles];
        }
        if (\is_string($styles)) {
            $styles = [$styles];
        }
        $this->assertStyles($styles);
        return $styles;
    }

    /**
     * @param mixed $styles
     */
    protected function assertStyles($styles): void
    {
        if (!\is_array($styles)) {
            throw new \InvalidArgumentException('Style must be string or array.');
        }
    }

    /**
     * @param string $text
     * @param array $sequences
     * @return string
     */
    protected function applySequences(string $text, array $sequences): string
    {
        return
            $this->escSequence(implode(';', $sequences)) .
            $text .
            $this->escSequence((string)self::RESET);
    }

    /**
     * @param string $value
     * @return string
     */
    protected function escSequence(string $value): string
    {
        return "\033[{$value}m";
    }

    /** {@inheritdoc} */
    public function setForceStyle(bool $forceStyle): void
    {
        $this->forceStyle = $forceStyle;
    }

    /** {@inheritdoc} */
    public function getThemes(): array
    {
        return $this->themes;
    }

    /** {@inheritdoc} */
    public function setThemes(array $themes): void
    {
        $this->themes = [];
        foreach ($themes as $name => $styles) {
            $this->addTheme($name, $styles);
        }
    }

    /** {@inheritdoc} */
    public function addTheme($name, $styles): void
    {
        $styles = $this->refineStyles($styles);

        foreach ($styles as $style) {
            if (!$this->isValid($style)) {
                throw new InvalidStyleException($style);
            }
        }

        $this->themes[$name] = $styles;
    }

    /** {@inheritdoc} */
    public function hasTheme($name): bool
    {
        return isset($this->themes[$name]);
    }

    /** {@inheritdoc} */
    public function removeTheme($name): void
    {
        unset($this->themes[$name]);
    }

    /** {@inheritdoc} */
    public function getPossibleStyles(): array
    {
        return array_keys(static::CODES);
    }
}


1		<?php declare(strict_types=1);
2
3		namespace AlecRabbit\ConsoleColour;
4
5		use AlecRabbit\ConsoleColour\Contracts\ConsoleColorInterface;
6		use AlecRabbit\ConsoleColour\Exception\InvalidStyleException;
7
8		class ConsoleColor implements ConsoleColorInterface
9		{
10		/** @var bool */
11		protected $supported;
12
13		/** @var bool */
14		protected $forceStyle = false;
15
16		/** @var array */
17		protected $themes = [];
18
19		/** @var bool */
20		protected $are256ColorsSupported;
21
22	74	public function __construct()
23		{
24	74	$terminal = new Terminal();
25	74	$this->supported = $terminal->supportsColor();
26	74	$this->are256ColorsSupported = $terminal->supports256Color();
27	74	}
28
29		/** {@inheritdoc} */
30	55	public function apply($styles, $text): string
31		{
32	55	if (!$this->isStyleForced() && !$this->isSupported()) {
33	3	return $text;
34		}
35
36		$sequences =
37	52	$this->getSequencesFrom(
38	52	$this->refineStyles($styles)
39		);
40
41	43	if (empty($sequences)) {
42	6	return $text;
43		}
44
45	37	return $this->applySequences($text, $sequences);
46		}
47
48		/** {@inheritdoc} */
49	58	public function isStyleForced(): bool
50		{
51	58	return $this->forceStyle;
52		}
53
54		/** {@inheritdoc} */
55	6	public function isSupported(): bool
56		{
57	6	return $this->supported;
58		}
59
60		/**
61		* @param array $styles
62		* @return array
63		* @throws InvalidStyleException
64		*/
65	49	protected function getSequencesFrom(array $styles): array
66		{
67	49	$sequences = [[]];
68
69	49	foreach ($styles as $style) {
70	49	if (isset($this->themes[$style])) {
71	16	$sequences[] = $this->themeSequence($style);
72	38	} elseif ($this->isValid($style)) {
73	32	$sequences[][] = $this->styleSequence($style);
74		} else {
75	6	throw new InvalidStyleException($style);
76		}
77		}
78
79		$sequences =
80	43	array_filter(
81	43	array_merge(...$sequences),
82		/**
83		* @param mixed $val
84		* @return bool
85		* @psalm-suppress MissingClosureParamType
86		*/
87		static function ($val): bool {
88	43	return $val !== null;
89	43	}
90		);
91
92	43	return $sequences;
93		}
94
95		/**
96		* @param string $name
97		* @return string[]\|null[]
98		*/
99	16	protected function themeSequence($name): array
100		{
101	16	$sequences = [];
102	16	foreach ($this->themes[$name] as $style) {
103	16	$sequences[] = $this->styleSequence($style);
104		}
105	16	return $sequences;
106		}
107
108		/**
109		* @param string $style
110		* @return null\|string
111		*/
112	43	protected function styleSequence($style): ?string
113		{
114	43	if (\array_key_exists($style, static::CODES)) {
115	31	return static::CODES[$style];
116		}
117
118	12	if (!$this->are256ColorsSupported()) {
119	3	return null;
120		}
121
122		return
123	9	$this->process256ColorStyle($style);
124		}
125
126		/** {@inheritdoc} */
127	2	public function are256ColorsSupported(): bool
128		{
129	2	return $this->are256ColorsSupported;
130		}
131
132		/**
133		* @param string $style
134		* @return string
135		*/
136	9	protected function process256ColorStyle(string $style): string
137		{
138	9	preg_match(self::COLOR256_REGEXP, $style, $matches);
139		return
140	9	sprintf(
141	9	'%s;5;%s',
142		$matches[1] === self::BG ? self::BACKGROUND : self::FOREGROUND,
143	9	$matches[2]
144		);
145		}
146
147		/**
148		* @param string $style
149		* @return bool
150	59	*/
151		protected function isValid($style): bool
152	59	{
153		return
154		\array_key_exists($style, static::CODES) \|\| (bool)preg_match(self::COLOR256_REGEXP, $style);
155		}
156
157		/**
158		* @param int\|string\|array $styles
159	62	* @return array
160		*/
161	62	protected function refineStyles($styles): array
162	38	{
163		if (\is_int($styles)) {
164	62	$styles = [$styles];
165	59	}
166		if (\is_string($styles)) {
167		$styles = [$styles];
168		}
169		$this->assertStyles($styles);
170		return $styles;
171	62	}
172
173	62	/**
174	3	* @param mixed $styles
175		*/
176	59	protected function assertStyles($styles): void
177		{
178		if (!\is_array($styles)) {
179		throw new \InvalidArgumentException('Style must be string or array.');
180		}
181		}
182
183	37	/**
184		* @param string $text
185		* @param array $sequences
186	37	* @return string
187	37	*/
188	37	protected function applySequences(string $text, array $sequences): string
189		{
190		return
191		$this->escSequence(implode(';', $sequences)) .
192		$text .
193		$this->escSequence((string)self::RESET);
194		}
195	37
196		/**
197	37	* @param string $value
198		* @return string
199		*/
200		protected function escSequence(string $value): string
201	6	{
202		return "\033[{$value}m";
203	6	}
204	6
205		/** {@inheritdoc} */
206		public function setForceStyle(bool $forceStyle): void
207	1	{
208		$this->forceStyle = $forceStyle;
209	1	}
210
211		/** {@inheritdoc} */
212		public function getThemes(): array
213	3	{
214		return $this->themes;
215	3	}
216	3
217	3	/** {@inheritdoc} */
218		public function setThemes(array $themes): void
219	3	{
220		$this->themes = [];
221		foreach ($themes as $name => $styles) {
222	26	$this->addTheme($name, $styles);
223		}
224	26	}
225
226	26	/** {@inheritdoc} */
227	26	public function addTheme($name, $styles): void
228	3	{
229		$styles = $this->refineStyles($styles);
230
231		foreach ($styles as $style) {
232	23	if (!$this->isValid($style)) {
233	23	throw new InvalidStyleException($style);
234		}
235		}
236	3
237		$this->themes[$name] = $styles;
238	3	}
239
240		/** {@inheritdoc} */
241		public function hasTheme($name): bool
242	3	{
243		return isset($this->themes[$name]);
244	3	}
245	3
246		/** {@inheritdoc} */
247		public function removeTheme($name): void
248	3	{
249		unset($this->themes[$name]);
250	3	}
251
252		/** {@inheritdoc} */
253		public function getPossibleStyles(): array
254		{
255		return array_keys(static::CODES);
256		}
257		}
258

alecrabbit / php-console-colour

Push — master ( 5c7057...3a5cce )

ConsoleColor::setThemes() A

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