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Net::DBus::Binding::Introspector (3)
  • >> Net::DBus::Binding::Introspector (3) ( Разные man: Библиотечные вызовы )
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    NAME

    Net::DBus::Binding::Introspector - Handler for object introspection data
     
    

    SYNOPSIS

      # Create an object populating with info from an
      # XML doc containing introspection data.
    
    

      my $ins = Net::DBus::Binding::Introspector->new(xml => $data);
    
    

      # Create an object, defining introspection data
      # programmatically
      my $ins = Net::DBus::Binding::Introspector->new(object_path => $object->get_object_path);
      $ins->add_method("DoSomething", ["string"], [], "org.example.MyObject");
      $ins->add_method("TestSomething", ["int32"], [], "org.example.MyObject");
    
    
     

    DESCRIPTION

    This class is responsible for managing introspection data, and answering questions about it. This is not intended for use by application developers, whom should instead consult the higher level API in Net::DBus::Exporter.  

    METHODS

    my $ins = Net::DBus::Binding::Introspector->new(object_path => $object_path, xml => $xml);
    Creates a new introspection data manager for the object registered at the path specified for the "object_path" parameter. The optional "xml" parameter can be used to pre-load the manager with introspection metadata from an XML document.
    $ins->add_interface($name)
    Register the object as providing an interface with the name $name
    my $bool = $ins->has_interface($name)
    Return a true value if the object is registered as providing an interface with the name $name; returns false otherwise.
    my @interfaces = $ins->has_method($name)
    Return a list of all interfaces provided by the object, which contain a method called $name. This may be an empty list.
    my @interfaces = $ins->has_signal($name)
    Return a list of all interfaces provided by the object, which contain a signal called $name. This may be an empty list.
    my @interfaces = $ins->has_property($name)
    Return a list of all interfaces provided by the object, which contain a property called $name. This may be an empty list.
    $ins->add_method($name, $params, $returns, $interface, $attributes);
    Register the object as providing a method called $name accepting parameters whose types are declared by $params and returning values whose type are declared by $returns. The method will be scoped to the inteface named by $interface. The $attributes parameter is a hash reference for annotating the method.
    $ins->add_signal($name, $params, $interface, $attributes);
    Register the object as providing a signal called $name with parameters whose types are declared by $params. The signal will be scoped to the inteface named by $interface. The $attributes parameter is a hash reference for annotating the signal.
    $ins->add_property($name, $type, $access, $interface, $attributes);
    Register the object as providing a property called $name with a type of $type. The $access parameter can be one of "read", "write", or "readwrite". The property will be scoped to the inteface named by $interface. The $attributes parameter is a hash reference for annotating the signal.
    my $boolean = $ins->is_method_deprecated($name, $interface)
    Returns a true value if the method called $name in the interface $interface is marked as deprecated
    my $boolean = $ins->is_signal_deprecated($name, $interface)
    Returns a true value if the signal called $name in the interface $interface is marked as deprecated
    my $boolean = $ins->is_property_deprecated($name, $interface)
    Returns a true value if the property called $name in the interface $interface is marked as deprecated
    my $boolean = $ins->does_method_reply($name, $interface)
    Returns a true value if the method called $name in the interface $interface will generate a reply. Returns a false value otherwise.
    my @names = $ins->list_interfaces
    Returns a list of all interfaces registered as being provided by the object.
    my @names = $ins->list_methods($interface)
    Returns a list of all methods registered as being provided by the object, within the interface $interface.
    my @names = $ins->list_signals($interface)
    Returns a list of all signals registered as being provided by the object, within the interface $interface.
    my @names = $ins->list_properties($interface)
    Returns a list of all properties registered as being provided by the object, within the interface $interface.
    my @paths = $self->list_children;
    Returns a list of object paths representing all the children of this node.
    my $path = $ins->get_object_path
    Returns the path of the object associated with this introspection data
    my @types = $ins->get_method_params($interface, $name)
    Returns a list of declared data types for parameters of the method called $name within the interface $interface.
    my @types = $ins->get_method_returns($interface, $name)
    Returns a list of declared data types for return values of the method called $name within the interface $interface.
    my @types = $ins->get_signal_params($interface, $name)
    Returns a list of declared data types for values associated with the signal called $name within the interface $interface.
    my $type = $ins->get_property_type($interface, $name)
    Returns the declared data type for property called $name within the interface $interface.
    my $bool = $ins->is_property_readable($interface, $name);
    Returns a true value if the property called $name within the interface $interface can have its value read.
    my $bool = $ins->is_property_writable($interface, $name);
    Returns a true value if the property called $name within the interface $interface can have its value written to.
    my $xml = $ins->format
    Return a string containing an XML document representing the state of the introspection data.
    my $xml_fragment = $ins->to_xml
    Returns a string containing an XML fragment representing the state of the introspection data. This is basically the same as the "format" method, but without the leading doctype declaration.
    $type = $ins->to_xml_type($type)
    Takes a text-based representation of a data type and returns the compact representation used in XML introspection data.
    $ins->encode($message, $type, $name, $direction, @args)
    Append a set of values <@args> to a message object $message. The $type parameter is either "signal" or "method" and $direction is either "params" or "returns". The introspection data will be queried to obtain the declared data types & the argument marshalling accordingly.
    my @args = $ins->decode($message, $type, $name, $direction)
    Unmarshalls the contents of a message object $message. The $type parameter is either "signal" or "method" and $direction is either "params" or "returns". The introspection data will be queried to obtain the declared data types & the arguments unmarshalled accordingly.
     

    SEE ALSO

    Net::DBus::Exporter, Net::DBus::Binding::Message  

    AUTHOR

    Daniel Berrange <dan@berrange.com>  

    COPYRIGHT

    Copyright 2004 by Daniel Berrange


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    METHODS
    SEE ALSO
    AUTHOR
    COPYRIGHT


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