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<?php |
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namespace Spatie\Color; |
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use Spatie\Color\Exceptions\InvalidColorValue; |
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class Validate |
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{ |
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public static function rgbChannelValue(int $value, string $channel) |
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{ |
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if ($value < 0 || $value > 255) { |
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throw InvalidColorValue::rgbChannelValueNotInRange($value, $channel); |
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} |
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} |
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public static function alphaChannelValue(float $value) |
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{ |
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if ($value < 0 || $value > 1) { |
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throw InvalidColorValue::alphaChannelValueNotInRange($value); |
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} |
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} |
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public static function hexChannelValue(string $value) |
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{ |
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if (strlen($value) !== 2) { |
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throw InvalidColorValue::hexChannelValueHasInvalidLength($value); |
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} |
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if (! preg_match('/[a-f0-9]{2}/i', $value)) { |
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throw InvalidColorValue::hexValueContainsInvalidCharacters($value); |
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} |
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} |
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public static function hslValue(float $value, string $name) |
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{ |
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if ($value < 0 || $value > 100) { |
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throw InvalidColorValue::hslValueNotInRange($value, $name); |
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} |
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} |
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public static function rgbColorString($string) |
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{ |
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if (! preg_match('/^ *rgb\( *\d{1,3} *, *\d{1,3} *, *\d{1,3} *\) *$/i', $string)) { |
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throw InvalidColorValue::malformedRgbColorString($string); |
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} |
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} |
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public static function rgbaColorString($string) |
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{ |
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if (! preg_match('/^ *rgba\( *\d{1,3} *, *\d{1,3} *, *\d{1,3} *, *[0-1](\.\d{1,2})? *\) *$/i', $string)) { |
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throw InvalidColorValue::malformedRgbaColorString($string); |
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} |
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} |
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public static function hexColorString($string) |
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{ |
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if (! preg_match('/^#[a-f0-9]{6}$/i', $string)) { |
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throw InvalidColorValue::malformedHexColorString($string); |
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} |
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} |
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public static function hslColorString($string) |
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{ |
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if (! preg_match('/^ *hsl\( *-?\d{1,3} *, *\d{1,3}%? *, *\d{1,3}%? *\) *$/i', $string)) { |
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throw InvalidColorValue::malformedHslColorString($string); |
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} |
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} |
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public static function hslaColorString($string) |
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{ |
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if (! preg_match('/^ *hsla\( *\d{1,3} *, *\d{1,3}%? *, *\d{1,3}%? *, *[0-1](\.\d{1,2})? *\) *$/i', $string)) { |
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throw InvalidColorValue::malformedHslaColorString($string); |
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} |
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} |
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} |
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spatie /
color
