xml::dom::text(3pm) [debian man page]
XML::DOM::Text(3pm) User Contributed Perl Documentation XML::DOM::Text(3pm) NAME
XML::DOM::Text - A piece of XML text in XML::DOM DESCRIPTION
XML::DOM::Text extends XML::DOM::CharacterData, which extends XML::DOM::Node. The Text interface represents the textual content (termed character data in XML) of an Element or Attr. If there is no markup inside an element's content, the text is contained in a single object implementing the Text interface that is the only child of the element. If there is markup, it is parsed into a list of elements and Text nodes that form the list of children of the element. When a document is first made available via the DOM, there is only one Text node for each block of text. Users may create adjacent Text nodes that represent the contents of a given element without any intervening markup, but should be aware that there is no way to represent the separations between these nodes in XML or HTML, so they will not (in general) persist between DOM editing sessions. The normalize() method on Element merges any such adjacent Text objects into a single node for each block of text; this is recommended before employing operations that depend on a particular document structure, such as navigation with XPointers. METHODS splitText (offset) Breaks this Text node into two Text nodes at the specified offset, keeping both in the tree as siblings. This node then only contains all the content up to the offset point. And a new Text node, which is inserted as the next sibling of this node, contains all the con- tent at and after the offset point. Parameters: offset The offset at which to split, starting from 0. Return Value: The new Text node. DOMExceptions: * INDEX_SIZE_ERR Raised if the specified offset is negative or greater than the number of characters in data. * NO_MODIFICATION_ALLOWED_ERR Raised if this node is readonly. perl v5.8.8 2008-02-03 XML::DOM::Text(3pm)
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XML::DOM::DocumentFragment(3pm) User Contributed Perl Documentation XML::DOM::DocumentFragment(3pm) NAME
XML::DOM::DocumentFragment - Facilitates cut & paste in XML::DOM documents DESCRIPTION
XML::DOM::DocumentFragment extends XML::DOM::Node DocumentFragment is a "lightweight" or "minimal" Document object. It is very common to want to be able to extract a portion of a document's tree or to create a new fragment of a document. Imagine implementing a user command like cut or rearranging a document by moving fragments around. It is desirable to have an object which can hold such fragments and it is quite natural to use a Node for this purpose. While it is true that a Document object could fulfil this role, a Document object can potentially be a heavyweight object, depending on the underlying implementation. What is really needed for this is a very lightweight object. DocumentFragment is such an object. Furthermore, various operations -- such as inserting nodes as children of another Node -- may take DocumentFragment objects as arguments; this results in all the child nodes of the DocumentFragment being moved to the child list of this node. The children of a DocumentFragment node are zero or more nodes representing the tops of any sub-trees defining the structure of the docu- ment. DocumentFragment nodes do not need to be well-formed XML documents (although they do need to follow the rules imposed upon well- formed XML parsed entities, which can have multiple top nodes). For example, a DocumentFragment might have only one child and that child node could be a Text node. Such a structure model represents neither an HTML document nor a well-formed XML document. When a DocumentFragment is inserted into a Document (or indeed any other Node that may take children) the children of the DocumentFragment and not the DocumentFragment itself are inserted into the Node. This makes the DocumentFragment very useful when the user wishes to create nodes that are siblings; the DocumentFragment acts as the parent of these nodes so that the user can use the standard methods from the Node interface, such as insertBefore() and appendChild(). perl v5.8.8 2008-02-03 XML::DOM::DocumentFragment(3pm)