212 lines
3.6 KiB
PHP
212 lines
3.6 KiB
PHP
<?php declare(strict_types=1);
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namespace Aviat\Kilo\Enum;
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use Aviat\Kilo\Traits;
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use JsonSerializable;
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/**
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* @enum
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*/
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enum Highlight implements JsonSerializable {
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use Traits\EnumTrait;
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case Normal;
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case Comment;
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case MultiLineComment;
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case Keyword1;
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case Keyword2;
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case String;
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case Number;
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case Operator;
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case Variable;
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case Delimiter;
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case Invalid;
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case SearchMatch;
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case Identifier;
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case Character;
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/**
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* Map a PHP syntax token to its associated highlighting type
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*
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* @param int $token
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* @return Highlight
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*/
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public static function fromPHPToken(int $token): self
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{
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return match($token) {
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// Delimiters
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T_ARRAY,
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T_CURLY_OPEN,
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T_DOLLAR_OPEN_CURLY_BRACES,
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T_OPEN_TAG,
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T_OPEN_TAG_WITH_ECHO,
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T_CLOSE_TAG,
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T_START_HEREDOC,
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T_END_HEREDOC => Highlight::Delimiter,
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// Number literals and magic constants
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T_CLASS_C,
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T_DIR,
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T_DNUMBER,
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T_LNUMBER,
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T_FILE,
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T_FUNC_C,
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T_LINE,
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T_METHOD_C,
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T_NS_C,
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T_NUM_STRING,
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T_TRAIT_C => Highlight::Number,
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// String literals
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T_CONSTANT_ENCAPSED_STRING, T_ENCAPSED_AND_WHITESPACE => Highlight::String,
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// Simple variables
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T_VARIABLE, T_STRING_VARNAME => Highlight::Variable,
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// Operators
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T_AS,
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T_AND_EQUAL,
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T_BOOLEAN_AND,
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T_BOOLEAN_OR,
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T_COALESCE,
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T_COALESCE_EQUAL,
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T_CONCAT_EQUAL,
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T_DEC,
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T_DIV_EQUAL,
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T_DOUBLE_ARROW,
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T_DOUBLE_COLON,
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T_ELLIPSIS,
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T_INC,
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T_INSTANCEOF,
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T_INSTEADOF,
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T_IS_EQUAL,
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T_IS_GREATER_OR_EQUAL,
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T_IS_IDENTICAL,
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T_IS_NOT_EQUAL,
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T_IS_NOT_IDENTICAL,
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T_IS_SMALLER_OR_EQUAL,
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T_SPACESHIP,
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T_LOGICAL_AND,
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T_LOGICAL_OR,
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T_LOGICAL_XOR,
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T_MINUS_EQUAL,
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T_MOD_EQUAL,
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T_MUL_EQUAL,
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T_NS_SEPARATOR,
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T_NULLSAFE_OBJECT_OPERATOR,
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T_OBJECT_OPERATOR,
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T_OR_EQUAL,
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T_PLUS_EQUAL,
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T_POW,
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T_POW_EQUAL,
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T_SL,
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T_SL_EQUAL,
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T_SR,
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T_SR_EQUAL,
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T_XOR_EQUAL => Highlight::Operator,
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// Keywords1
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T_ABSTRACT,
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T_BREAK,
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T_CASE,
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T_CATCH,
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T_CLASS,
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T_CLONE,
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T_CONST,
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T_CONTINUE,
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T_DECLARE,
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T_DEFAULT,
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T_DO,
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T_ECHO,
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T_ELSE,
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T_ELSEIF,
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T_EMPTY,
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T_ENDDECLARE,
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T_ENDFOR,
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T_ENDFOREACH,
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T_ENDIF,
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T_ENDSWITCH,
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T_ENDWHILE,
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T_EVAL,
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T_EXIT,
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T_EXTENDS,
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T_FINAL,
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T_FINALLY,
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T_FN,
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T_FOR,
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T_FOREACH,
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T_FUNCTION,
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T_GLOBAL,
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T_GOTO,
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T_HALT_COMPILER,
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T_IF,
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T_IMPLEMENTS,
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T_INCLUDE,
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T_INCLUDE_ONCE,
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T_INTERFACE,
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T_ISSET,
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T_LIST,
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T_MATCH,
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T_NAMESPACE,
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T_NEW,
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T_PRINT,
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T_PRIVATE,
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T_PUBLIC,
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T_PROTECTED,
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T_REQUIRE,
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T_REQUIRE_ONCE,
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T_RETURN,
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T_STATIC,
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T_SWITCH,
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T_THROW,
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T_TRAIT,
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T_TRY,
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T_UNSET,
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T_USE,
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T_VAR,
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T_WHILE,
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T_YIELD,
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T_YIELD_FROM => Highlight::Keyword1,
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// Not string literals, but identifiers, keywords, etc.
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T_STRING => Highlight::Identifier,
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// Types and casts
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T_ARRAY_CAST,
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T_BOOL_CAST,
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T_CALLABLE,
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T_DOUBLE_CAST,
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T_INT_CAST,
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T_OBJECT_CAST,
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T_STRING_CAST,
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T_UNSET_CAST => Highlight::Keyword2,
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// Invalid syntax
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T_BAD_CHARACTER => Highlight::Invalid,
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default => Highlight::Normal,
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};
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}
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/**
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* Map a single character PHP delimiter or operator to its associated
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* highlighting type
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*
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* @param string $char
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* @return Highlight
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*/
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public static function fromPHPChar(string $char): self
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{
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return match ($char) {
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// Delimiter characters
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'[', ']', '{', '}', '(', ')', '"', "'" => Highlight::Delimiter,
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// Single character operators
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'?', ',', ';', ':', '^', '%', '+', '-',
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'*', '/', '.', '|', '~', '>', '<', '=', '!' => Highlight::Operator,
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default => Highlight::Normal,
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};
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}
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} |