Class: URI::Orocos

Inherits:
Generic
  • Object
show all
Defined in:
lib/orocos/uri.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(scheme, userinfo, host, port, registry, path, opaque, query, fragment, parser = DEFAULT_PARSER, arg_check = false) ⇒ Orocos

Returns a new instance of Orocos



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# File 'lib/orocos/uri.rb', line 35

def initialize(scheme, userinfo, host, port, registry, path, opaque, query, fragment, parser = DEFAULT_PARSER, arg_check = false)
    super
    @hash = Orocos::from_query(query)

    if klass_match = Regexp.new("/(port)/(.+)").match(path)
        klass = klass_match [1]
        case klass
        when "port"
            if port_match = klass_match[2].match(/(.*)\.(\w+)$/)
                @task_name, @port_name = port_match[1], port_match[2]
            else
                raise ArgumentError, "expected task_name.port_name as path, but got #{klass_match[2]}"
            end
        end

    else
        raise ArgumentError, "#{uri} is not a valid path in an orocos URI"
    end
end

Instance Attribute Details

#hash ⇒ Object (readonly)

Returns the value of attribute hash



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# File 'lib/orocos/uri.rb', line 33

def hash
  @hash
end

#port_name ⇒ Object (readonly)

Returns the value of attribute port_name



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# File 'lib/orocos/uri.rb', line 33

def port_name
  @port_name
end

#task_name ⇒ Object (readonly)

Returns the value of attribute task_name



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# File 'lib/orocos/uri.rb', line 33

def task_name
  @task_name
end

Class Method Details

.from_port(port) ⇒ Object 



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# File 'lib/orocos/uri.rb', line 5

def from_port(port)
    hash = {:type_name => port.orocos_type_name}
    Orocos.new("OROCOS",nil,nil,nil,nil,"/port/#{port.full_name}",nil,to_query(hash),nil)
end

.from_query(str) ⇒ Object 



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# File 'lib/orocos/uri.rb', line 19

def from_query(str)
    uri = str
    hash = Hash.new
    a = str.split("&")
    a << str if a.empty?
    a.each do |val|
        val =~ /(.*)=(.*)/
        raise InvalidURIError,uri if !$1 || !$2
        hash[$1.to_sym] = DEFAULT_PARSER.unescape $2
    end
    hash
end

.to_query(hash) ⇒ Object 



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# File 'lib/orocos/uri.rb', line 10

def to_query(hash)
    str = ""
    hash.each_pair do |key,value|
        value = DEFAULT_PARSER.escape(value)
        str += "#{key}=#{value}&"
    end
    str[0,str.size-1]
end

Instance Method Details

#port_proxy ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/orocos/uri.rb', line 68

def port_proxy
    raise ArgumentError,"URI does not point to a Port" unless port_proxy?
    type = if @hash.has_key? :type_name
               name = @hash[:type_name]
               begin
                   ::Orocos.load_typekit_for name
                   ::Orocos.registry.get name
               rescue Exception => e
                   Vizkit.warn e
                   nil
               end
           end
    task_proxy.port(port_name,:type => type)
end

#port_proxy? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/orocos/uri.rb', line 55

def port_proxy?
    !!port_name
end

#task_proxy ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/orocos/uri.rb', line 63

def task_proxy
    raise ArgumentError,"URI does not point to a TaskContext" unless task_proxy?
    ::Orocos::Async.name_service.proxy(task_name)
end

#task_proxy? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/orocos/uri.rb', line 59

def task_proxy?
    !!task_name
end