This is used as a predicate, and ought to be called first.
Rewinds the internal position for enumeration.
See Enumerator
#rewind.
Gets the IP address of name
from the hosts file.
Gets all IP addresses for name
from the hosts file.
Gets the IP address of name
from the DNS
resolver.
name
can be a Resolv::DNS::Name
or a String. Retrieved address will be a Resolv::IPv4
or Resolv::IPv6
Gets all IP addresses for name
from the DNS
resolver.
name
can be a Resolv::DNS::Name
or a String. Retrieved addresses will be a Resolv::IPv4
or Resolv::IPv6
Look up the typeclass
DNS
resource of name
.
name
must be a Resolv::DNS::Name
or a String.
typeclass
should be one of the following:
Resolv::DNS::Resource::IN::ANY
Resolv::DNS::Resource::IN::CNAME
Resolv::DNS::Resource::IN::HINFO
Resolv::DNS::Resource::IN::MINFO
Resolv::DNS::Resource::IN::MX
Resolv::DNS::Resource::IN::NS
Resolv::DNS::Resource::IN::PTR
Resolv::DNS::Resource::IN::SOA
Resolv::DNS::Resource::IN::TXT
Returned resource is represented as a Resolv::DNS::Resource
instance, i.e. Resolv::DNS::Resource::IN::A
.
Looks up all typeclass
DNS
resources for name
. See getresource
for argument details.
Creates a new IPv6
address from arg
which may be:
IPv6
returns arg
.
arg
must match one of the IPv6::Regex* constants
Returns the namespace of the attribute.
e = Element.new( "elns:myelement" ) e.add_attribute( "nsa:a", "aval" ) e.add_attribute( "b", "bval" ) e.attributes.get_attribute( "a" ).prefix # -> "nsa" e.attributes.get_attribute( "b" ).prefix # -> "elns" a = Attribute.new( "x", "y" ) a.prefix # -> ""
Returns the attribute value, with entities replaced
Removes this Attribute
from the tree, and returns true if successful
This method is usually not called directly.
Returns the content of this CData
object
Examples
c = CData.new( "Some text" ) c.to_s # -> "Some text"
Sets the parent of this child to the supplied argument.
Must be a Parent
object. If this object is the same object as the existing parent of this child, no action is taken. Otherwise, this child is removed from the current parent (if one exists), and is added to the new parent.
The parent added
This method retrieves the system identifier identifying the document’s DTD
Method
contributed by Henrik Martensson
Evaluates to an Array
containing the prefixes (names) of all defined namespaces at this context node.
doc = Document.new("<a xmlns:x='1' xmlns:y='2'><b/><c xmlns:z='3'/></a>") doc.elements['//b'].prefixes # -> ['x', 'y']
Get an array of all Instruction
children. IMMUTABLE