Rutger Vos > Bio-Phylo-0.55 > Bio::Phylo::NeXML::DOM::Element::Libxml

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NAME ^

Bio::Phylo::NeXML::DOM::Element::Libxml - XML DOM element mappings to the XML::LibXML package

SYNOPSIS ^

Don't use directly; use Bio::Phylo::NeXML::DOM->new( -format => 'libxml' ) instead.

DESCRIPTION ^

This module provides mappings the methods specified in the Bio::Phylo::NeXML::DOM::Element abstract class to the XML::LibXML::Element package.

AUTHOR ^

Mark A. Jensen ( maj -at- fortinbras -dot- us )

Constructor

new()
 Type    : Constructor
 Title   : new
 Usage   : $elt = Bio::Phylo::NeXML::DOM::Element->new($tag, $attr)
 Function: Create a new XML DOM element
 Returns : DOM element object
 Args    : Optional: 
           '-tag' => $tag  - tag name as string
           '-attributes' => $attr - hashref of attributes/values
parse_element()
 Type    : Factory method
 Title   : parse_element
 Usage   : $elt = $dom->parse_element($text)
 Function: Create a new XML DOM element from XML text
 Returns : DOM element
 Args    : An XML String

Tagname mutators/accessors

get_tag()
 Type    : Accessor
 Title   : get_tag
 Usage   : $elt->get_tag()
 Function: Get tag name
 Returns : Tag name as scalar string
 Args    : none
set_tag()
 Type    : Mutator
 Title   : set_tag
 Usage   : $elt->set_tag( $tagname )
 Function: Set tagname
 Returns : True on success
 Args    : Tag name as scalar string

Attribute mutators/accessors

get_attributes()
 Type    : Accessor
 Title   : get_attributes
 Usage   : $elt->get_attributes( @attribute_names )
 Function: Get attribute values
 Returns : Array of attribute values
 Args    : [an array of] attribute name[s] as string[s]
set_attributes()
 Type    : Mutator
 Title   : set_attributes
 Usage   : $elt->set_attributes( @attribute_assoc_array )
 Function: Set attribute values
 Returns : True on success
 Args    : An associative array of form ( $name => $value, ... )
clear_attributes()
 Type    : Mutator
 Title   : clear_attributes
 Usage   : $elt->clear_attributes( @attribute_names )
 Function: Remove attributes from element
 Returns : Hash of removed attributes/values
 Args    : Array of attribute names

Content mutators/accessors

set_text()
 Type    : Mutator
 Title   : set_text
 Usage   : $elt->set_text($text_content)
 Function: Add a #TEXT node to the element 
 Returns : True on success
 Args    : scalar string
get_text()
 Type    : Accessor
 Title   : get_text
 Usage   : $elt->get_text()
 Function: Retrieve direct #TEXT descendants as (concatenated) string
 Returns : scalar string (the text content) or undef if no text nodes
 Args    : none
clear_text()
 Type    : Mutator
 Title   : clear_text
 Usage   : $elt->clear_text()
 Function: Remove direct #TEXT descendant nodes from element
 Returns : True on success; false if no #TEXT nodes removed
 Args    : none

Traversal methods

get_parent()
 Type    : Accessor
 Title   : get_parent
 Usage   : $elt->get_parent()
 Function: Get parent DOM node of invocant 
 Returns : Element object or undef if invocant is root
 Args    : none
get_children()
 Type    : Accessor
 Title   : get_children
 Usage   : $elt->get_children()
 Function: Get child nodes of invocant
 Returns : Array of Elements
 Args    : none
get_first_daughter()
 Type    : Accessor
 Title   : get_first_daughter
 Usage   : $elt->get_first_daughter()
 Function: Get first child (as defined by underlying package) of invocant
 Returns : Element object or undef if invocant is childless
 Args    : none
get_last_daughter()
 Type    : Accessor
 Title   : get_last_daughter
 Usage   : $elt->get_last_daughter()
 Function: Get last child (as defined by underlying package) of invocant
 Returns : Element object or undef if invocant is childless
 Args    : none
get_next_sister()
 Type    : Accessor
 Title   : get_next_sister
 Usage   : $elt->get_next_sister()
 Function: Gets next sibling (as defined by underlying package) of invocant
 Returns : Element object or undef if invocant is the rightmost element
 Args    : none
get_previous_sister()
 Type    : Accessor
 Title   : get_previous_sister
 Usage   : $elt->get_previous_sister()
 Function: Get previous sibling (as defined by underlying package) of invocant
 Returns : Element object or undef if invocant is leftmost element
 Args    : none
get_elements_by_tagname()
 Type    : Accessor
 Title   : get_elements_by_tagname
 Usage   : $elt->get_elements_by_tagname($tagname)
 Function: Get array of elements having given tag name from invocant's 
           descendants
 Returns : Array of elements or undef if no match
 Args    : tag name as string

Prune and graft methods

set_child()
 Type    : Mutator
 Title   : set_child
 Usage   : $elt->set_child($child)
 Function: Add child element object to invocant's descendants
 Returns : the element object added
 Args    : Element object
 Note    : See caution at 
           L<http://search.cpan.org/~pajas/XML-LibXML-1.69/lib/XML/LibXML/Node.pod#addChild>
prune_child()
 Type    : Mutator
 Title   : prune_child
 Usage   : $elt->prune_child($child)
 Function: Remove the subtree rooted by $child from among the invocant's
           descendants
 Returns : $child or undef if $child is not among the children of invocant
 Args    : Element object

Output methods

to_xml()
 Type    : Serializer
 Title   : to_xml
 Usage   : $elt->to_xml
 Function: Create XML string from subtree rooted by invocant
 Returns : XML string
 Args    : Formatting arguments as allowed by underlying package

CITATION ^

If you use Bio::Phylo in published research, please cite it:

Rutger A Vos, Jason Caravas, Klaas Hartmann, Mark A Jensen and Chase Miller, 2011. Bio::Phylo - phyloinformatic analysis using Perl. BMC Bioinformatics 12:63. http://dx.doi.org/10.1186/1471-2105-12-63

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