class CodeArea
Constants
- REGEX_COLOR_HEX6
Public Class Methods
languages()
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# File lib/glimmer/libui/custom_control/code_area.rb, line 3 def languages require 'rouge' Rouge::Lexer.all.map {|lexer| lexer.tag}.sort end
lexers()
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# File lib/glimmer/libui/custom_control/code_area.rb, line 8 def lexers require 'rouge' Rouge::Lexer.all.sort_by(&:title) end
Public Instance Methods
lexer()
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# File lib/glimmer/libui/custom_control/code_area.rb, line 42 def lexer require 'rouge' require 'glimmer-dsl-libui/ext/rouge/theme/glimmer' # TODO Try to use Rouge::Lexer.find_fancy('guess', code) in the future to guess the language or otherwise detect it from file extension @lexer ||= Rouge::Lexer.find_fancy(language) @lexer ||= Rouge::Lexer.find_fancy('ruby') # default to Ruby if no lexer is found end
syntax_highlighting(text)
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# File lib/glimmer/libui/custom_control/code_area.rb, line 50 def syntax_highlighting(text) return [] if text.to_s.strip.empty? @syntax_highlighting ||= {} unless @syntax_highlighting.keys.include?(text) lex = lexer.lex(text).to_a text_size = 0 @syntax_highlighting[text] = lex.map do |pair| {token_type: pair.first, token_text: pair.last} end.each do |hash| hash[:token_index] = text_size text_size += hash[:token_text].size end end @syntax_highlighting[text] end