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