Created
March 2, 2013 23:41
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AsciiWatcher - live preview one or more AsciiDoc files in Chrome using Asciidoctor to render to HTML and AppleScript to perform the browser tab refresh. Adapted from watch.rb by Brett Terpstra (with credit to Carlo Zottmann).
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| #!/usr/bin/env ruby | |
| # AsciiWatcher by Paul Rayner, 2013 <http://thepaulrayner.com> | |
| # Adapted from watch.rb by Brett Terpstra, 2011 <http://brettterpstra.com> | |
| # with credit to Carlo Zottmann <https://github.com/carlo/haml-sass-file-watcher> | |
| require 'asciidoctor' | |
| trap("SIGINT") { exit } | |
| if ARGV.length < 2 | |
| puts "Usage: #{$0} watch_folder keyword stylesheet" | |
| puts "Example: #{$0} . mywebproject github.css" | |
| exit | |
| end | |
| dev_extension = 'dev' | |
| filetypes = ['css','html','htm','php','rb','erb','less','js','asc'] | |
| watch_folder = ARGV[0] | |
| keyword = ARGV[1] | |
| stylesheet = ARGV[2] | |
| puts "Watching #{watch_folder} and subfolders for changes in project files" | |
| puts "Will refresh any Chrome browser tab with URL containing '#{keyword}' using" | |
| puts "specified stylesheet" | |
| while true do | |
| files = [] | |
| filetypes.each {|type| | |
| files += Dir.glob( File.join( watch_folder, "**", "*.#{type}" ) ) | |
| } | |
| new_hash = files.collect {|f| [ f, File.stat(f).mtime.to_i ] } | |
| hash ||= new_hash | |
| diff_hash = new_hash - hash | |
| unless diff_hash.empty? | |
| hash = new_hash | |
| diff_hash.each do |df| | |
| asciidoc_file_name = df[0] | |
| puts "Detected change in #{asciidoc_file_name}" | |
| type = File.extname(asciidoc_file_name).gsub(/^\./, '') | |
| if type == "asc" | |
| Asciidoctor.render_file(asciidoc_file_name, :in_place => true, :attributes => {'stylesdir' => 'styles', 'stylesheet' => stylesheet}) | |
| puts "Rendered AsciiDoc to HTML" | |
| else | |
| puts "Refreshing Chrome tab matching #{keyword}" | |
| %x{osascript<<ENDGAME | |
| tell application "Google Chrome" | |
| set windowList to every window | |
| repeat with aWindow in windowList | |
| set tabList to every tab of aWindow | |
| repeat with atab in tabList | |
| if (URL of atab contains "#{keyword}") then | |
| tell atab to reload | |
| end if | |
| end repeat | |
| end repeat | |
| end tell | |
| ENDGAME | |
| } | |
| end | |
| end | |
| end | |
| sleep 1 | |
| end |
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