Class: Epodder::Arguments

Inherits:
Object
  • Object
show all
Defined in:
lib/arguments.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Arguments

Returns a new instance of Arguments.



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# File 'lib/arguments.rb', line 5

def initialize
    require 'cmdparse'
    @args = {}
    @args[:arguments] = []
    verb = Struct.new(:name, :desc, :block)
    @verbs = [
        verb.new('add', 'Add a new podcast.', Proc.new { |args| @args[:action] = :add; @args[:arguments] = args }),
        verb.new('catchup', 'Mark older episodes as downloaded.', Proc.new { |args| @args[:action] = :catchup; @args[:arguments] = args }),
        verb.new('remove', 'Remove a feed by supplying an id.', Proc.new { |args| @args[:action] = :remove; @args[:arguments] = args }),
        verb.new('lscasts', 'List podcasts.', Proc.new { |args| @args[:action] = :list_podcast; @args[:arguments] = args }),
        verb.new('lseps', 'List episodes of a podcast by id.', Proc.new { |args| @args[:action] = :list_episodes; @args[:arguments] = args }),
        verb.new('fetch', 'Update then download podcasts', Proc.new { |args| @args[:action] = :fetch; @args[:arguments] = args }),
        verb.new('download', 'Download podcasts specified by a list of id or all podcasts', Proc.new { |args| @args[:action] = :download; @args[:arguments] = args }),
        verb.new('update', 'Update podcasts specified by a list of id or all podcasts', Proc.new { |args| @args[:action] = :update; @args[:arguments] = args }),
        verb.new('clean', 'Remove old content from the database', Proc.new { |args| @args[:action] = :clean; @args[:arguments] = args })
    ]
    get_args
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, value = nil, *args) ⇒ Object 



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# File 'lib/arguments.rb', line 49

def method_missing(name, value = nil, *args)
    if @args.key? name
        @args[name]
    end
end

Instance Attribute Details

#args ⇒ Object

Returns the value of attribute args.



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# File 'lib/arguments.rb', line 3

def args
  @args
end

Instance Method Details

#get_args ⇒ Object 



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# File 'lib/arguments.rb', line 24

def get_args
    @args[:path] = "~/.epodder"
    cmd = CmdParse::CommandParser.new( true, true )
    cmd.program_name = "ePodder"
    cmd.program_version = [0, 0, 13]
    cmd.options = CmdParse::OptionParserWrapper.new do |opt|
        opt.separator 'Global options:'
        opt.on('-v', '--verbose', 'Be verbose when outputting info') { |t| @args[:verbose] = true }
        opt.on('-c', '--conf-dir [PATH]', 'Set the configuration directory') { |path| @args[:path] = path }
        opt.on('-l', '--log-path [PATH]', 'Set logging to the specified file') { |path| @args[:log_file] = path }
    end

    cmd.add_command(CmdParse::HelpCommand.new)
    cmd.add_command(CmdParse::VersionCommand.new)

    @verbs.each do |verb|
        command = CmdParse::Command.new(verb.name, false, false)
        command.short_desc = verb.desc
        command.set_execution_block(&verb.block)
        cmd.add_command(command)
    end

    cmd.parse
end