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Give PHP enums a go

This commit is contained in:
Timothy Warren 2021-12-03 11:45:40 -05:00
parent eb3f7f848d
commit 9214c16595
7 changed files with 113 additions and 95 deletions
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2
composer.json
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@ -28,6 +28,6 @@
}, },
"require": { "require": {
"ext-ffi": "*", "ext-ffi": "*",
"php": ">= 8.0.0" "php": ">= 8.1.0"
} }
} }

68
src/Enum/Color.php
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@ -8,44 +8,44 @@ use Aviat\Kilo\Traits;
* ANSI Color escape sequences * ANSI Color escape sequences
* @enum * @enum
*/ */
class Color { enum Color: int {
use Traits\ConstList; use Traits\ConstList;
// Foreground colors // Foreground colors
public const FG_BLACK = 30; case FG_BLACK = 30;
public const FG_RED = 31; case FG_RED = 31;
public const FG_GREEN = 32; case FG_GREEN = 32;
public const FG_YELLOW = 33; case FG_YELLOW = 33;
public const FG_BLUE = 34; case FG_BLUE = 34;
public const FG_MAGENTA = 35; case FG_MAGENTA = 35;
public const FG_CYAN = 36; case FG_CYAN = 36;
public const FG_WHITE = 37; case FG_WHITE = 37;
public const FG_BRIGHT_BLACK = 90; case FG_BRIGHT_BLACK = 90;
public const FG_BRIGHT_RED = 91; case FG_BRIGHT_RED = 91;
public const FG_BRIGHT_GREEN = 92; case FG_BRIGHT_GREEN = 92;
public const FG_BRIGHT_YELLOW = 93; case FG_BRIGHT_YELLOW = 93;
public const FG_BRIGHT_BLUE = 94; case FG_BRIGHT_BLUE = 94;
public const FG_BRIGHT_MAGENTA = 95; case FG_BRIGHT_MAGENTA = 95;
public const FG_BRIGHT_CYAN = 96; case FG_BRIGHT_CYAN = 96;
public const FG_BRIGHT_WHITE = 97; case FG_BRIGHT_WHITE = 97;
// Background colors // Background colors
public const BG_BLACK = 40; case BG_BLACK = 40;
public const BG_RED = 41; case BG_RED = 41;
public const BG_GREEN = 42; case BG_GREEN = 42;
public const BG_YELLOW = 43; case BG_YELLOW = 43;
public const BG_BLUE = 44; case BG_BLUE = 44;
public const BG_MAGENTA = 45; case BG_MAGENTA = 45;
public const BG_CYAN = 46; case BG_CYAN = 46;
public const BG_WHITE = 47; case BG_WHITE = 47;
public const BG_BRIGHT_BLACK = 100; case BG_BRIGHT_BLACK = 100;
public const BG_BRIGHT_RED = 101; case BG_BRIGHT_RED = 101;
public const BG_BRIGHT_GREEN = 102; case BG_BRIGHT_GREEN = 102;
public const BG_BRIGHT_YELLOW = 103; case BG_BRIGHT_YELLOW = 103;
public const BG_BRIGHT_BLUE = 104; case BG_BRIGHT_BLUE = 104;
public const BG_BRIGHT_MAGENTA = 105; case BG_BRIGHT_MAGENTA = 105;
public const BG_BRIGHT_CYAN = 106; case BG_BRIGHT_CYAN = 106;
public const BG_BRIGHT_WHITE = 107; case BG_BRIGHT_WHITE = 107;
public const INVERT = 7; case INVERT = 7;
} }

67
src/Enum/Highlight.php
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@ -3,35 +3,36 @@
namespace Aviat\Kilo\Enum; namespace Aviat\Kilo\Enum;
use Aviat\Kilo\Traits; use Aviat\Kilo\Traits;
use JsonSerializable;
/** /**
* @enum * @enum
*/ */
class Highlight { enum Highlight implements JsonSerializable {
use Traits\ConstList; use Traits\EnumTrait;
public const NORMAL = 0; case Normal;
public const COMMENT = 1; case Comment;
public const ML_COMMENT= 2; case MultiLineComment;
public const KEYWORD1 = 3; case Keyword1;
public const KEYWORD2 = 4; case Keyword2;
public const STRING = 5; case String;
public const NUMBER = 6; case Number;
public const OPERATOR = 7; case Operator;
public const VARIABLE = 8; case Variable;
public const DELIMITER = 9; case Delimiter;
public const INVALID = 10; case Invalid;
public const MATCH = 11; case SearchMatch;
public const IDENTIFIER = 12; case Identifier;
public const CHARACTER = 13; case Character;
/** /**
* Map a PHP syntax token to its associated highlighting type * Map a PHP syntax token to its associated highlighting type
* *
* @param int $token * @param int $token
* @return int * @return Highlight
*/ */
public static function fromPHPToken(int $token): int public static function fromPHPToken(int $token): self
{ {
return match($token) { return match($token) {
// Delimiters // Delimiters
@ -42,7 +43,7 @@ class Highlight {
T_OPEN_TAG_WITH_ECHO, T_OPEN_TAG_WITH_ECHO,
T_CLOSE_TAG, T_CLOSE_TAG,
T_START_HEREDOC, T_START_HEREDOC,
T_END_HEREDOC => Highlight::DELIMITER, T_END_HEREDOC => Highlight::Delimiter,
// Number literals and magic constants // Number literals and magic constants
T_CLASS_C, T_CLASS_C,
@ -55,13 +56,13 @@ class Highlight {
T_METHOD_C, T_METHOD_C,
T_NS_C, T_NS_C,
T_NUM_STRING, T_NUM_STRING,
T_TRAIT_C => Highlight::NUMBER, T_TRAIT_C => Highlight::Number,
// String literals // String literals
T_CONSTANT_ENCAPSED_STRING, T_ENCAPSED_AND_WHITESPACE => Highlight::STRING, T_CONSTANT_ENCAPSED_STRING, T_ENCAPSED_AND_WHITESPACE => Highlight::String,
// Simple variables // Simple variables
T_VARIABLE, T_STRING_VARNAME => Highlight::VARIABLE, T_VARIABLE, T_STRING_VARNAME => Highlight::Variable,
// Operators // Operators
T_AS, T_AS,
@ -103,7 +104,7 @@ class Highlight {
T_SL_EQUAL, T_SL_EQUAL,
T_SR, T_SR,
T_SR_EQUAL, T_SR_EQUAL,
T_XOR_EQUAL => Highlight::OPERATOR, T_XOR_EQUAL => Highlight::Operator,
// Keywords1 // Keywords1
T_ABSTRACT, T_ABSTRACT,
@ -166,10 +167,10 @@ class Highlight {
T_VAR, T_VAR,
T_WHILE, T_WHILE,
T_YIELD, T_YIELD,
T_YIELD_FROM => Highlight::KEYWORD1, T_YIELD_FROM => Highlight::Keyword1,
// Not string literals, but identifiers, keywords, etc. // Not string literals, but identifiers, keywords, etc.
T_STRING => Highlight::IDENTIFIER, T_STRING => Highlight::Identifier,
// Types and casts // Types and casts
T_ARRAY_CAST, T_ARRAY_CAST,
@ -179,12 +180,12 @@ class Highlight {
T_INT_CAST, T_INT_CAST,
T_OBJECT_CAST, T_OBJECT_CAST,
T_STRING_CAST, T_STRING_CAST,
T_UNSET_CAST => Highlight::KEYWORD2, T_UNSET_CAST => Highlight::Keyword2,
// Invalid syntax // Invalid syntax
T_BAD_CHARACTER => Highlight::INVALID, T_BAD_CHARACTER => Highlight::Invalid,
default => Highlight::NORMAL, default => Highlight::Normal,
}; };
} }
@ -193,19 +194,19 @@ class Highlight {
* highlighting type * highlighting type
* *
* @param string $char * @param string $char
* @return int * @return Highlight
*/ */
public static function fromPHPChar(string $char): int public static function fromPHPChar(string $char): self
{ {
return match ($char) { return match ($char) {
// Delimiter characters // Delimiter characters
'[', ']', '{', '}', '(', ')', '"', "'" => Highlight::DELIMITER, '[', ']', '{', '}', '(', ')', '"', "'" => Highlight::Delimiter,
// Single character operators // Single character operators
'?', ',', ';', ':', '^', '%', '+', '-', '?', ',', ';', ':', '^', '%', '+', '-',
'*', '/', '.', '|', '~', '>', '<', '=', '!' => Highlight::OPERATOR, '*', '/', '.', '|', '~', '>', '<', '=', '!' => Highlight::Operator,
default => Highlight::NORMAL, default => Highlight::Normal,
}; };
} }
} }

32
src/Enum/KeyType.php
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@ -3,24 +3,24 @@
namespace Aviat\Kilo\Enum; namespace Aviat\Kilo\Enum;
use Aviat\Kilo\Traits; use Aviat\Kilo\Traits;
use JsonSerializable;
/** /**
* Constants representing various control keys * Enum representing various control keys
* @enum
*/ */
class KeyType { enum KeyType implements JsonSerializable {
use Traits\ConstList; use Traits\EnumTrait;
public const ARROW_DOWN = 'KEY_ARROW_DOWN'; case ArrowDown;
public const ARROW_LEFT = 'KEY_ARROW_LEFT'; case ArrowLeft;
public const ARROW_RIGHT = 'KEY_ARROW_RIGHT'; case ArrowRight;
public const ARROW_UP = 'KEY_ARROW_UP'; case ArrowUp;
public const BACKSPACE = 'KEY_BACKSPACE'; case Backspace;
public const DELETE = 'KEY_DELETE'; case Delete;
public const END = 'KEY_END'; case End;
public const ENTER = 'KEY_ENTER'; case Enter;
public const ESCAPE = 'KEY_ESCAPE'; case Escape;
public const HOME = 'KEY_HOME'; case Home;
public const PAGE_DOWN = 'KEY_PAGE_DOWN'; case PageDown;
public const PAGE_UP = 'KEY_PAGE_UP'; case PageUp;
} }

6
src/Enum/SearchDirection.php
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@ -7,9 +7,9 @@ use Aviat\Kilo\Traits;
/** /**
* @enum * @enum
*/ */
class SearchDirection { enum SearchDirection: int {
use Traits\ConstList; use Traits\ConstList;
public const FORWARD = 1; case FORWARD = 1;
public const BACKWARD = -1; case BACKWARD = -1;
} }

13
src/Enum/SyntaxFamily.php
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@ -3,14 +3,11 @@
namespace Aviat\Kilo\Enum; namespace Aviat\Kilo\Enum;
use Aviat\Kilo\Traits; use Aviat\Kilo\Traits;
use JsonSerializable;
/** enum SyntaxFamily implements JsonSerializable {
* use Traits\EnumTrait;
*/
class SyntaxFamily {
use Traits\ConstList;
public const C = 'C'; case C;
case XML;
public const XML = 'XML';
} }

20
src/Traits/EnumTrait.php Normal file
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@ -0,0 +1,20 @@
<?php declare(strict_types=1);
namespace Aviat\Kilo\Traits;
trait EnumTrait {
public function jsonSerialize(): mixed
{
if (property_exists($this, 'value'))
{
return $this->value;
}
if (property_exists($this, 'name'))
{
return $this->name;
}
return print_r($this, true);
}
}