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 
    @args = Hash.new
    @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 48

def method_missing(name, value=nil, *args)
    if @args.has_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 23

def get_args
    @args[:path] = "~/.epodder"
    cmd = CmdParse::CommandParser.new( true, true )
    cmd.program_name = "ePodder"
    cmd.program_version = [0, 0, 7]
    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