textlint-asciidoctor.rb

#!/usr/bin/env ruby
# textlint-asciidoctor -r ./macro.rb -T code,dfn index.adoc

require 'asciidoctor'
require 'cgi'
require 'json'
require 'optparse'
require 'tempfile'

ERASED_TEXT = '◆◆'
erase_tags = []

opts = OptionParser.new do |opts|
  opts.banner = "Usage: #$0 [options] FILE"

  opts.on('-r LIBRARY', '--require LIBRARY') do |lib|
    require lib
  end

  opts.on('-T TAG', '--erase TAG') do |tags|
    erase_tags += tags.split(/,/)
  end
end
opts.parse!

file = ARGV.shift or abort opts.help

lines = []

doc = Asciidoctor.load_file(file, safe: Asciidoctor::SafeMode::UNSAFE, sourcemap: true)
doc.query do |node|
  node.context == :section || node.context == :paragraph || node.context == :list_item
end.map do |node|
  s = if node.context == :section
    node.title
  elsif node.context == :list_item
    node.text
  else
    node.render
  end

  erase_tags.each do |tag|
    s.gsub!(%r( ?<#{tag}\b.*?>.*?</#{tag}> ?), ERASED_TEXT)
  end
  s.gsub!(/ *<.+?> */, '')
  s.strip!

  loc = node.source_location || node.parent.source_location
  lines += CGI::unescape_html(s).lines.map do |line|
    {
      line: line.chomp,
      loc:  {
        path:   loc.path,
        lineno: loc.lineno
      }
    }
  end
end

f = Tempfile.open([ 'textlint', '.txt' ]) do |f|
  lines.each do |l|
    f.puts l[:line]
  end
  f
end

success = true

result = JSON.parse(%x(node_modules/.bin/textlint --format json #{f.path}))
result.flat_map do |item|
  item['messages']
end.sort_by do |msg|
  msg['line']
end.each do |msg|
  loc = lines[msg['line']-1][:loc]
  if msg['message'].index(%(don't repeat "#{ERASED_TEXT}))
    next
  end

  success = false
  puts "#{loc[:path]}:#{loc[:lineno]}:#{msg['message']} (#{msg['ruleId']})"
end

exit success