Class: NOMS::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/noms/command.rb,
lib/noms/command/auth.rb,
lib/noms/command/base.rb,
lib/noms/command/error.rb,
lib/noms/command/window.rb,
lib/noms/command/urinion.rb,
lib/noms/command/version.rb,
lib/noms/command/document.rb,
lib/noms/command/formatter.rb,
lib/noms/command/useragent.rb,
lib/noms/command/application.rb,
lib/noms/command/urinion/data.rb,
lib/noms/command/auth/identity.rb,
lib/noms/command/xmlhttprequest.rb

Defined Under Namespace

Classes: Application, Auth, Base, Document, Error, Formatter, URInion, UserAgent, Window, XMLHttpRequest

Constant Summary collapse

VERSION = 
"0.5.0"

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Command

Returns a new instance of Command.



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# File 'lib/noms/command.rb', line 23

def initialize(argv)
    @argv = argv
    @log = Logger.new($stderr)
    @log.formatter = lambda { |sev, timestamp, prog, msg| msg[-1].chr == "\n" ? msg : msg + "\n" }
end

Class Method Details

.run(argv) ⇒ Object 



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# File 'lib/noms/command.rb', line 18

def self.run(argv)
    runner = self.new(argv)
    runner.run
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/noms/command.rb', line 29

def run
    # Find my own configuration for bookmarks and stuff
    # Interpret either environment variables or (maybe) initial options
    parser = Trollop::Parser.new do
        version NOMS::Command::VERSION
        banner <<-USAGE.gsub(/^\s{16}/,'')
            Usage:
              noms [noms-options] { bookmark | url } [options] [arguments]
              noms-options:
        USAGE
        opt :identity, "Identity file", :type => :string, :multi => true
        opt :verbose,  "Enable verbose output"
        opt :list,     "List bookmarks"
        opt :bookmarks, "Bookmark file location (can be specified multiple times)",
            :type => :string,
            :multi => true
        opt :nodefault_bookmarks, "Don't consult default bookmarks files",
            :short => '-X',
            :long => '--nodefault-bookmarks'
        opt :debug,    "Enable debug output"
        stop_on_unknown
    end

    @opt = Trollop::with_standard_exception_handling parser do
        parser.parse(@argv)
    end

    Trollop::with_standard_exception_handling parser do
        raise Trollop::HelpNeeded if @argv.empty? and ! @opt[:list]
    end

    @opt[:debug] = true if ENV['NOMS_DEBUG'] and ! ENV['NOMS_DEBUG'].empty?

    default_bookmarks =
        [ File.join(ENV['HOME'], '.noms/bookmarks.json'),
        '/usr/local/etc/noms/bookmarks.json',
        '/etc/noms/bookmarks.json'].select { |f| File.exist? f }

    @opt[:bookmarks].concat default_bookmarks unless @opt[:nodefault_bookmarks]

    @log.level = Logger::WARN
    @log.level = Logger::INFO if @opt[:verbose]
    @log.level = Logger::DEBUG if @opt[:debug]

    @bookmark = @opt[:bookmarks].map do |file|
        begin
            File.open(file, 'r') { |fh| JSON.load fh }
        rescue JSON::ParserError => j
            @log.warn "Couldn't load bookmarks from invalid JSON file #{file.inspect}"
            @log.debug "JSON error: #{file.inspect}:#{j.message}"
            nil
        rescue StandardError => e
            @log.warn "Couldn't open #{file.inspect} (#{e.class}): #{e.message}"
            @log.debug "Error opening #{file.inspect}: #{e.backtrace.join("\n")}"
            nil
        end
    end.compact.reverse.inject({}) { |h1, h2| h1.merge h2 }

    if @opt[:list]
        puts @bookmark.map { |pair| '%-15s -> %s' % pair }
        return 0
    end

    begin
        origin = @bookmark[@argv[0].split('/').first] || @argv[0]
        app = NOMS::Command::Application.new(origin, @argv, :logger => @log,
                                             :specified_identities => @opt[:identity])
        app.fetch!                    # Retrieve page
        app.render!                   # Run scripts
        out = app.display
        puts out unless out.empty?
        app.exitcode                  # Return exitcode
    rescue NOMS::Command::Error => e
        @log.error "noms error: #{e.message}"
        255
    end
end