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<?php |
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namespace Matks\Vivian\Color; |
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use Matks\Vivian\Output\TextElement; |
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use Exception; |
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/** |
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* Background Color manager |
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*/ |
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class BackgroundColorManager extends AbstractColorManager |
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{ |
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const BLACK = 'black'; |
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const RED = 'red'; |
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const GREEN = 'green'; |
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const YELLOW = 'yellow'; |
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const BLUE = 'blue'; |
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const PURPLE = 'purple'; |
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const CYAN = 'cyan'; |
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const WHITE = 'white'; |
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const BASH_BACKGROUND_BLACK = 40; |
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const BASH_BACKGROUND_RED = 41; |
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const BASH_BACKGROUND_GREEN = 42; |
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const BASH_BACKGROUND_YELLOW = 43; |
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const BASH_BACKGROUND_BLUE = 44; |
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const BASH_BACKGROUND_PURPLE = 45; |
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const BASH_BACKGROUND_CYAN = 46; |
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const BASH_BACKGROUND_WHITE = 47; |
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const BACKGROUND_COLOR_FUNCTION_NAME_REGEX = '^(back)_([a-zA-Z]*)$'; |
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/** |
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* Static calls interface to allow calls such as back_green('hello'); |
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*/ |
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public static function __callstatic($name, $params) |
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{ |
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1 |
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$matches = static::isBackgroundCall($name); |
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if (null === $matches) { |
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throw new Exception("Unknown background color function name $name"); |
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} |
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$colorName = $matches[2]; |
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$knownColors = static::getKnownColors(); |
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$colorID = $knownColors[$colorName]; |
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1 |
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if (!$colorID) { |
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throw new Exception("Unknown background color name $name"); |
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} |
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$color = static::color($colorID); |
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// target string is expected to be: |
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$targetString = $params[0][0]; |
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$element = new TextElement($targetString); |
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$element->setBackgroundColor($color); |
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return $element->render(); |
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} |
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/** |
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* Analyse function name |
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* |
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* @param string $functionName |
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* |
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* @return array|bool |
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*/ |
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public static function isBackgroundCall($functionName) |
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{ |
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$matches = array(); |
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$pattern = '#' . static::BACKGROUND_COLOR_FUNCTION_NAME_REGEX . '#'; |
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if (!preg_match($pattern, $functionName, $matches)) { |
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return false; |
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} |
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1 |
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return $matches; |
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} |
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/** |
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* Get allowed colors |
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* |
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* @return string[] |
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*/ |
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public static function getKnownColors() |
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{ |
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$colors = array( |
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static::BLACK => static::BASH_BACKGROUND_BLACK, |
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static::RED => static::BASH_BACKGROUND_RED, |
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static::GREEN => static::BASH_BACKGROUND_GREEN, |
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static::YELLOW => static::BASH_BACKGROUND_YELLOW, |
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static::BLUE => static::BASH_BACKGROUND_BLUE, |
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static::PURPLE => static::BASH_BACKGROUND_PURPLE, |
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static::CYAN => static::BASH_BACKGROUND_CYAN, |
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static::WHITE => static::BASH_BACKGROUND_WHITE |
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); |
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return $colors; |
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} |
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104
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/** |
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105
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* Get Color class |
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* |
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* @return string |
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*/ |
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public static function getColorClass() |
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{ |
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1 |
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return '\Matks\Vivian\Color\BackgroundColor'; |
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112
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} |
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113
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} |
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matks /
Vivian
