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<?php |
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/** |
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* Highlighter |
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* |
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* Copyright (C) 2016, Some right reserved. |
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* |
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* @author Kacper "Kadet" Donat <[email protected]> |
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* |
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* Contact with author: |
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* Xmpp: [email protected] |
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* E-mail: [email protected] |
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* |
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* From Kadet with love. |
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*/ |
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namespace Kadet\Highlighter\Language; |
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use Kadet\Highlighter\Matcher\CommentMatcher; |
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use Kadet\Highlighter\Matcher\RegexMatcher; |
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use Kadet\Highlighter\Matcher\WordMatcher; |
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use Kadet\Highlighter\Parser\CloseRule; |
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use Kadet\Highlighter\Parser\OpenRule; |
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use Kadet\Highlighter\Parser\Rule; |
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use Kadet\Highlighter\Parser\Token\ContextualToken; |
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use Kadet\Highlighter\Parser\Token\LanguageToken; |
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use Kadet\Highlighter\Parser\TokenFactory; |
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class Ruby extends GreedyLanguage |
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{ |
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/** |
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* Tokenization rules setup |
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*/ |
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public function setupRules() |
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{ |
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$function = '[a-z]\w*[!?]?'; |
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$this->rules->addMany([ |
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'comment' => [ |
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new Rule(new CommentMatcher(['#']), ['context' => ['!string.regex', '!string']]), |
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'doc' => [ |
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new OpenRule(new RegexMatcher('/^(=begin)/m')), |
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new CloseRule(new RegexMatcher('/^(=end)/m')), |
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] |
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], |
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'keyword' => new Rule(new WordMatcher([ |
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'BEGIN', 'class', 'ensure', 'when', 'END', 'def', 'not', 'super', 'while', |
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'alias', 'defined', 'for', 'or', 'then', 'yield', 'and', 'do', 'if', 'redo', 'begin', 'else', |
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'in', 'rescue', 'undef', 'break', 'elsif', 'module', 'retry', 'unless', 'case', 'end', 'next', 'return', |
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'until', |
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], ['case-sensitivity' => true])), |
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'string' => [ |
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CommonFeatures::strings( |
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['single' => '\'', 'double' => '"'], |
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['context' => ['!operator.escape', '!comment', '!string', '!expression']] |
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), |
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'generalized' => [ |
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// TODO: Generalized strings |
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] |
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], |
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'operator.escape' => new Rule(new RegexMatcher('/(\\\.)/'), [ |
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'context' => ['string'] |
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]), |
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'constant' => [ |
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new Rule(new RegexMatcher('/(?:[a-z_])?::([a-z_]\w*)/i')), |
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'special' => new Rule(new WordMatcher(['self', 'nil', 'true', 'false', '__FILE__', '__LINE__'])) |
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], |
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'variable' => [ |
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'global' => new Rule(new RegexMatcher('/(?:[^\\\]|^)(\$\w*)/i')), |
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'property' => new Rule(new RegexMatcher('/(?:[^\\\]|^)(@{1,2}\w*)/i')), |
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], |
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// JS + Perl = Ruby? |
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'string.regex' => [ |
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new OpenRule(new RegexMatcher('#(?>[\[=(?:+,!~]|^|return|=>|&&|\|\|)\s*(/).*?/#sm'), [ |
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'context' => ['!comment'] |
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]), |
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new Rule(new RegexMatcher('#(?=\/.*?(/[mixounse]*))#sm'), [ |
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'priority' => 2, |
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'factory' => new TokenFactory(ContextualToken::class), |
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'context' => ['!operator.escape', 'string.regex'] |
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]) |
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], |
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'call' => [ |
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new Rule(new RegexMatcher("/($function)\\s*\\(/i"), ['priority' => 2]), |
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new Rule(new RegexMatcher( |
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// fixme: expression handling smth[blah].func |
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"/(?<![^\\\\]\\\\)(?<=\\n|\\{|\\(|\\}|\\|\\||or|&&|and|=|;)\\s*(?:\\w+(?:::|\\.))?($function)(?:[\\h\r]*\$|\\h+['\":\\w])/im" |
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), ['priority' => 0]), |
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], |
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'symbol' => [ |
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'symbol' => new Rule(new RegexMatcher('/[^\B:](:[a-z_]\w*)/i')), |
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'class' => new Rule(new RegexMatcher('/class\s+([a-z_]\w*)/i')), |
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'function' => new Rule(new RegexMatcher('/def\s+(?:\[\]\s*|\*\s*|\w+\.){0,2}([a-z_]\w*)/i')), |
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], |
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'expression.in-string' => new Rule(new RegexMatcher('/(?=(\#\{((?>[^\#{}]+|(?1))+)\}))/x'), [ |
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'context' => ['string.double'], |
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'factory' => new TokenFactory(LanguageToken::class), |
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'inject' => $this |
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]), |
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'number' => new Rule(new RegexMatcher('/((?:-|\b)(?:0[0-7]+|0[xX][0-9a-fA-F]+|0b[01]+|\d+))/')), |
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]); |
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} |
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/** |
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* Unique language identifier, for example 'php' |
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* |
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* @return string |
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*/ |
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public function getIdentifier() |
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{ |
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return 'ruby'; |
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} |
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View Code Duplication |
public static function getMetadata() |
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{ |
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return [ |
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'name' => ['ruby'], |
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'mime' => ['text/x-ruby', 'application/x-ruby'], |
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'extension' => ['*.rb', '*.rbw', 'Rakefile', '*.rake', '*.gemspec', '*.rbx', '*.duby', 'Gemfile'], |
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]; |
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} |
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} |
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kadet1090 /
KeyLighter
