76 lines
2 KiB
Ruby
Executable file
76 lines
2 KiB
Ruby
Executable file
#!/usr/bin/ruby
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#
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# Applies the colors defined in .itermcolors file to the current session using
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# proprietary escape codes of iTerm2
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#
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# Author: Junegunn Choi <https://github.com/junegunn> Reference:
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# https://iterm2.com/documentation-escape-codes.html
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require 'rexml/document'
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require 'io/console'
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files = ARGV.select { |f| File.exists? f }
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if files.empty?
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puts "usage: #$0 <itermcolors files...>"
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exit 1
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end
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if ENV.has_key? 'TMUX'
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puts 'Does not work on tmux'
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exit 1
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end
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preview = files.length > 1
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history = []
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until files.empty?
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file = files.shift
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print "[#{File.basename file, '.*'}] " if preview
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begin
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colors = {}
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root = REXML::Document.new(File.read file).root
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root.elements['dict'].select { |e| e.is_a? REXML::Element }.each do |dict|
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if dict.previous_element && !dict.previous_element.text.strip.empty?
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type = dict.previous_element.text.downcase.gsub(/^ansi\s+|\s+color$/, '')
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colors[type] = {}
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end
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next unless type
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dict.elements.each_slice(2) do |elems|
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key = val = nil
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elems.each do |elem|
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case elem.name.downcase
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when 'key' then key = elem.text
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when 'real' then val = elem.text
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end
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end
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colors[type][key.sub(/\s.+/, '').downcase.to_sym] =
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'%02x' % [255, val.to_f.*(256).to_i].min if key && val
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end
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colors[type] &&= colors[type].values_at(:red, :green, :blue).join
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end
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colors.each do |type, rgb|
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print "\e]P" << {
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'foreground' => 'g',
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'background' => 'h',
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'bold' => 'i',
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'selection' => 'j',
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'selected text' => 'k',
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'cursor' => 'l',
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'cursor text' => 'm',
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}.fetch(type, '%x' % type.to_i) << rgb << "\e\\"
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end
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case IO.console.getch.ord
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when 127 # backspace
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files.unshift *[history.pop, file].compact
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when 3, 27 # ctrl-c, esc
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break
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else
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history << file
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end
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rescue Exception
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print '(X) '
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end
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end
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puts if preview
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