XML::DOM::Document
XML::DOM::Document
NAMEDESCRIPTION
NAME
XML::DOM::Document − An XML document node in XML::DOM
DESCRIPTION
XML::DOM::Document extends XML::DOM::Node.
It is the main root of the XML document structure as returned by XML::DOM::Parser::parse and XML::DOM::Parser::parsefile.
Since elements, text nodes, comments, processing instructions, etc. cannot exist outside the context of a Document, the Document interface also contains the factory methods needed to create these objects. The Node objects created have a getOwnerDocument method which associates them with the Document within whose context they were created.
METHODS
getDocumentElement
This is a convenience method that allows direct access to the child node that is the root Element of the document.
getDoctype
The Document Type Declaration (see DocumentType) associated with this document. For HTML documents as well as XML documents without a document type declaration this returns undef. The DOM Level 1 does not support editing the Document Type Declaration.
Not In DOM Spec: This implementation allows editing the doctype. See XML::DOM::ignoreReadOnly for details.
getImplementation
The DOMImplementation object that handles this document. A DOM application may use objects from multiple implementations.
createElement (tagName)
Creates an element of the type specified. Note that the instance returned implements the Element interface, so attributes can be specified directly on the returned object.
DOMExceptions:
|
• |
INVALID_CHARACTER_ERR |
Raised if the tagName does not conform to the XML spec.
createTextNode (data)
Creates a Text node given the specified string.
createComment (data)
Creates a Comment node given the specified string.
createCDATASection (data)
Creates a CDATASection node given the specified string.
createAttribute (name [, value [, specified ]])
Creates an Attr of the given name. Note that the Attr instance can then be set on an Element using the setAttribute method.
Not In DOM Spec: The DOM Spec does not allow passing the value or the specified property in this method. In this implementation they are optional.
Parameters:
value The attribute’s value. See Attr::setValue
for details.
If the value is not supplied, the specified property is set
to 0.
specified Whether the attribute value was specified or
whether the default
value was used. If not supplied, it’s assumed to be
1.
DOMExceptions:
|
• |
INVALID_CHARACTER_ERR |
Raised if the name does not conform to the XML spec.
createProcessingInstruction (target, data)
Creates a ProcessingInstruction node given the specified name and data strings.
Parameters:
target The target part of the processing instruction.
data The data for the node.
DOMExceptions:
|
• |
INVALID_CHARACTER_ERR |
Raised if the target does not conform to the XML spec.
createDocumentFragment
Creates an empty DocumentFragment object.
createEntityReference (name)
Creates an EntityReference object.
Additional
methods not in the DOM Spec
getXMLDecl and setXMLDecl (xmlDecl)
Returns the XMLDecl for this Document or undef if none was specified. Note that XMLDecl is not part of the list of child nodes.
setDoctype (doctype)
Sets or replaces the DocumentType. NOTE : Don’t use appendChild or insertBefore to set the DocumentType. Even though doctype will be part of the list of child nodes, it is handled specially.
getDefaultAttrValue (elem, attr)
Returns the default attribute value as a string or undef, if none is available.
Parameters:
elem The element tagName.
attr The attribute name.
getEntity (name)
Returns the Entity with the specified name.
createXMLDecl (version, encoding, standalone)
Creates an XMLDecl object. All parameters may be undefined.
createDocumentType (name, sysId, pubId)
Creates a DocumentType object. SysId and pubId may be undefined.
createNotation (name, base, sysId, pubId)
Creates a new Notation object. Consider using XML::DOM::DocumentType::addNotation!
createEntity (parameter, notationName, value, sysId, pubId, ndata)
Creates an Entity object. Consider using XML::DOM::DocumentType::addEntity!
createElementDecl (name, model)
Creates an ElementDecl object.
DOMExceptions:
|
• |
INVALID_CHARACTER_ERR |
Raised if the element name (tagName) does not conform to the XML spec.
createAttlistDecl (name)
Creates an AttlistDecl object.
DOMExceptions:
|
• |
INVALID_CHARACTER_ERR |
Raised if the element name (tagName) does not conform to the XML spec.
expandEntity (entity [, parameter])
Expands the specified entity or parameter entity (if parameter=1) and returns its value as a string, or undef if the entity does not exist. (The entity name should not contain the ’%’, ’&’ or ’;’ delimiters.)
check ( [$checker] )
Uses the specified XML::Checker to validate the document. If no XML::Checker is supplied, a new XML::Checker is created. See XML::Checker for details.
check_sax ( [$checker] )
Similar to check() except it uses the SAX interface to XML::Checker instead of the expat interface. This method may disappear or replace check() at some time.
createChecker ()
Creates an XML::Checker based on the document’s DTD . The $checker can be reused to check any elements within the document. Create a new XML::Checker whenever the DOCTYPE section of the document is altered!
Opportunity
Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.
Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.
Free Software
Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.
Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.
Free Books
The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.
Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.
Education
Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.
Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.
