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tinyxml2::XMLNode Class Referenceabstract

XMLNode is a base class for every object that is in the XML Document Object Model (DOM), except XMLAttributes. More...

#include <xml.h>

Inheritance diagram for tinyxml2::XMLNode:
tinyxml2::XMLComment tinyxml2::XMLDeclaration tinyxml2::XMLDocument tinyxml2::XMLElement tinyxml2::XMLText tinyxml2::XMLUnknown

Public Member Functions

const XMLDocumentGetDocument () const
 Get the XMLDocument that owns this XMLNode. More...
 
XMLDocumentGetDocument ()
 Get the XMLDocument that owns this XMLNode. More...
 
virtual XMLElementToElement ()
 Safely cast to an Element, or null. More...
 
virtual XMLTextToText ()
 Safely cast to Text, or null. More...
 
virtual XMLCommentToComment ()
 Safely cast to a Comment, or null. More...
 
virtual XMLDocumentToDocument ()
 Safely cast to a Document, or null. More...
 
virtual XMLDeclarationToDeclaration ()
 Safely cast to a Declaration, or null. More...
 
virtual XMLUnknownToUnknown ()
 Safely cast to an Unknown, or null. More...
 
virtual const XMLElementToElement () const
 
virtual const XMLTextToText () const
 
virtual const XMLCommentToComment () const
 
virtual const XMLDocumentToDocument () const
 
virtual const XMLDeclarationToDeclaration () const
 
virtual const XMLUnknownToUnknown () const
 
const char * Value () const
 The meaning of 'value' changes for the specific type. More...
 
void SetValue (const char *val, bool staticMem=false)
 Set the Value of an XML node. More...
 
int GetLineNum () const
 Gets the line number the node is in, if the document was parsed from a file. More...
 
const XMLNodeParent () const
 Get the parent of this node on the DOM. More...
 
XMLNodeParent ()
 
bool NoChildren () const
 Returns true if this node has no children. More...
 
const XMLNodeFirstChild () const
 Get the first child node, or null if none exists. More...
 
XMLNodeFirstChild ()
 
const XMLElementFirstChildElement (const char *name=0) const
 Get the first child element, or optionally the first child element with the specified name. More...
 
XMLElementFirstChildElement (const char *name=0)
 
const XMLNodeLastChild () const
 Get the last child node, or null if none exists. More...
 
XMLNodeLastChild ()
 
const XMLElementLastChildElement (const char *name=0) const
 Get the last child element or optionally the last child element with the specified name. More...
 
XMLElementLastChildElement (const char *name=0)
 
const XMLNodePreviousSibling () const
 Get the previous (left) sibling node of this node. More...
 
XMLNodePreviousSibling ()
 
const XMLElementPreviousSiblingElement (const char *name=0) const
 Get the previous (left) sibling element of this node, with an optionally supplied name. More...
 
XMLElementPreviousSiblingElement (const char *name=0)
 
const XMLNodeNextSibling () const
 Get the next (right) sibling node of this node. More...
 
XMLNodeNextSibling ()
 
const XMLElementNextSiblingElement (const char *name=0) const
 Get the next (right) sibling element of this node, with an optionally supplied name. More...
 
XMLElementNextSiblingElement (const char *name=0)
 
XMLNodeInsertEndChild (XMLNode *addThis)
 Add a child node as the last (right) child. More...
 
XMLNodeLinkEndChild (XMLNode *addThis)
 
XMLNodeInsertFirstChild (XMLNode *addThis)
 Add a child node as the first (left) child. More...
 
XMLNodeInsertAfterChild (XMLNode *afterThis, XMLNode *addThis)
 Add a node after the specified child node. More...
 
void DeleteChildren ()
 Delete all the children of this node. More...
 
void DeleteChild (XMLNode *node)
 Delete a child of this node. More...
 
virtual XMLNodeShallowClone (XMLDocument *document) const =0
 Make a copy of this node, but not its children. More...
 
XMLNodeDeepClone (XMLDocument *target) const
 
virtual bool ShallowEqual (const XMLNode *compare) const =0
 Test if 2 nodes are the same, but don't test children. More...
 
virtual bool Accept (XMLVisitor *visitor) const =0
 Accept a hierarchical visit of the nodes in the TinyXML-2 DOM. More...
 
void SetUserData (void *userData)
 Set user data into the XMLNode. More...
 
void * GetUserData () const
 Get user data set into the XMLNode. More...
 

Protected Member Functions

 XMLNode (XMLDocument *)
 
virtual ~XMLNode ()
 
virtual char * ParseDeep (char *p, StrPair *parentEndTag, int *curLineNumPtr)
 

Protected Attributes

XMLDocument_document
 
XMLNode_parent
 
StrPair _value
 
int _parseLineNum
 
XMLNode_firstChild
 
XMLNode_lastChild
 
XMLNode_prev
 
XMLNode_next
 
void * _userData
 

Friends

class XMLDocument
 
class XMLElement
 

Detailed Description

XMLNode is a base class for every object that is in the XML Document Object Model (DOM), except XMLAttributes.

Nodes have siblings, a parent, and children which can be navigated. A node is always in a XMLDocument. The type of a XMLNode can be queried, and it can be cast to its more defined type.

A XMLDocument allocates memory for all its Nodes. When the XMLDocument gets deleted, all its Nodes will also be deleted.

    A Document can contain:     Element (container or leaf)
                                                Comment (leaf)
                                                Unknown (leaf)
                                                Declaration( leaf )

    An Element can contain:     Element (container or leaf)
                                                Text    (leaf)
                                                Attributes (not on tree)
                                                Comment (leaf)
                                                Unknown (leaf)

Constructor & Destructor Documentation

◆ XMLNode()

tinyxml2::XMLNode::XMLNode ( XMLDocument )
protected

◆ ~XMLNode()

virtual tinyxml2::XMLNode::~XMLNode ( )
protectedvirtual

Member Function Documentation

◆ Accept()

virtual bool tinyxml2::XMLNode::Accept ( XMLVisitor visitor) const
pure virtual

Accept a hierarchical visit of the nodes in the TinyXML-2 DOM.

Every node in the XML tree will be conditionally visited and the host will be called back via the XMLVisitor interface.

This is essentially a SAX interface for TinyXML-2. (Note however it doesn't re-parse the XML for the callbacks, so the performance of TinyXML-2 is unchanged by using this interface versus any other.)

The interface has been based on ideas from:

Which are both good references for "visiting".

An example of using Accept():

XMLPrinter printer;
tinyxmlDoc.Accept( &printer );
const char* xmlcstr = printer.CStr();

Implemented in tinyxml2::XMLDocument, tinyxml2::XMLElement, tinyxml2::XMLUnknown, tinyxml2::XMLDeclaration, tinyxml2::XMLComment, and tinyxml2::XMLText.

◆ DeepClone()

XMLNode* tinyxml2::XMLNode::DeepClone ( XMLDocument target) const
    Make a copy of this node and all its children.

    If the 'target' is null, then the nodes will
    be allocated in the current document. If 'target' 

is specified, the memory will be allocated is the specified XMLDocument.

    NOTE: This is probably not the correct tool to 
    copy a document, since XMLDocuments can have multiple
    top level XMLNodes. You probably want to use

XMLDocument::DeepCopy()

◆ DeleteChild()

void tinyxml2::XMLNode::DeleteChild ( XMLNode node)

Delete a child of this node.

◆ DeleteChildren()

void tinyxml2::XMLNode::DeleteChildren ( )

Delete all the children of this node.

◆ FirstChild() [1/2]

XMLNode* tinyxml2::XMLNode::FirstChild ( )
inline

◆ FirstChild() [2/2]

const XMLNode* tinyxml2::XMLNode::FirstChild ( ) const
inline

Get the first child node, or null if none exists.

◆ FirstChildElement() [1/2]

XMLElement* tinyxml2::XMLNode::FirstChildElement ( const char *  name = 0)
inline

◆ FirstChildElement() [2/2]

const XMLElement* tinyxml2::XMLNode::FirstChildElement ( const char *  name = 0) const

Get the first child element, or optionally the first child element with the specified name.

◆ GetDocument() [1/2]

XMLDocument* tinyxml2::XMLNode::GetDocument ( )
inline

Get the XMLDocument that owns this XMLNode.

◆ GetDocument() [2/2]

const XMLDocument* tinyxml2::XMLNode::GetDocument ( ) const
inline

Get the XMLDocument that owns this XMLNode.

◆ GetLineNum()

int tinyxml2::XMLNode::GetLineNum ( ) const
inline

Gets the line number the node is in, if the document was parsed from a file.

◆ GetUserData()

void* tinyxml2::XMLNode::GetUserData ( ) const
inline

Get user data set into the XMLNode.

TinyXML-2 in no way processes or interprets user data. It is initially 0.

◆ InsertAfterChild()

XMLNode* tinyxml2::XMLNode::InsertAfterChild ( XMLNode afterThis,
XMLNode addThis 
)

Add a node after the specified child node.

If the child node is already part of the document, it is moved from its old location to the new location. Returns the addThis argument or 0 if the afterThis node is not a child of this node, or if the node does not belong to the same document.

◆ InsertEndChild()

XMLNode* tinyxml2::XMLNode::InsertEndChild ( XMLNode addThis)

Add a child node as the last (right) child.

If the child node is already part of the document, it is moved from its old location to the new location. Returns the addThis argument or 0 if the node does not belong to the same document.

◆ InsertFirstChild()

XMLNode* tinyxml2::XMLNode::InsertFirstChild ( XMLNode addThis)

Add a child node as the first (left) child.

If the child node is already part of the document, it is moved from its old location to the new location. Returns the addThis argument or 0 if the node does not belong to the same document.

◆ LastChild() [1/2]

XMLNode* tinyxml2::XMLNode::LastChild ( )
inline

◆ LastChild() [2/2]

const XMLNode* tinyxml2::XMLNode::LastChild ( ) const
inline

Get the last child node, or null if none exists.

◆ LastChildElement() [1/2]

XMLElement* tinyxml2::XMLNode::LastChildElement ( const char *  name = 0)
inline

◆ LastChildElement() [2/2]

const XMLElement* tinyxml2::XMLNode::LastChildElement ( const char *  name = 0) const

Get the last child element or optionally the last child element with the specified name.

◆ LinkEndChild()

XMLNode* tinyxml2::XMLNode::LinkEndChild ( XMLNode addThis)
inline

◆ NextSibling() [1/2]

XMLNode* tinyxml2::XMLNode::NextSibling ( )
inline

◆ NextSibling() [2/2]

const XMLNode* tinyxml2::XMLNode::NextSibling ( ) const
inline

Get the next (right) sibling node of this node.

◆ NextSiblingElement() [1/2]

XMLElement* tinyxml2::XMLNode::NextSiblingElement ( const char *  name = 0)
inline

◆ NextSiblingElement() [2/2]

const XMLElement* tinyxml2::XMLNode::NextSiblingElement ( const char *  name = 0) const

Get the next (right) sibling element of this node, with an optionally supplied name.

◆ NoChildren()

bool tinyxml2::XMLNode::NoChildren ( ) const
inline

Returns true if this node has no children.

◆ Parent() [1/2]

XMLNode* tinyxml2::XMLNode::Parent ( )
inline

◆ Parent() [2/2]

const XMLNode* tinyxml2::XMLNode::Parent ( ) const
inline

Get the parent of this node on the DOM.

◆ ParseDeep()

virtual char* tinyxml2::XMLNode::ParseDeep ( char *  p,
StrPair parentEndTag,
int *  curLineNumPtr 
)
protectedvirtual

◆ PreviousSibling() [1/2]

XMLNode* tinyxml2::XMLNode::PreviousSibling ( )
inline

◆ PreviousSibling() [2/2]

const XMLNode* tinyxml2::XMLNode::PreviousSibling ( ) const
inline

Get the previous (left) sibling node of this node.

◆ PreviousSiblingElement() [1/2]

XMLElement* tinyxml2::XMLNode::PreviousSiblingElement ( const char *  name = 0)
inline

◆ PreviousSiblingElement() [2/2]

const XMLElement* tinyxml2::XMLNode::PreviousSiblingElement ( const char *  name = 0) const

Get the previous (left) sibling element of this node, with an optionally supplied name.

◆ SetUserData()

void tinyxml2::XMLNode::SetUserData ( void *  userData)
inline

Set user data into the XMLNode.

TinyXML-2 in no way processes or interprets user data. It is initially 0.

◆ SetValue()

void tinyxml2::XMLNode::SetValue ( const char *  val,
bool  staticMem = false 
)

Set the Value of an XML node.

See also
Value()

◆ ShallowClone()

virtual XMLNode* tinyxml2::XMLNode::ShallowClone ( XMLDocument document) const
pure virtual

Make a copy of this node, but not its children.

You may pass in a Document pointer that will be the owner of the new Node. If the 'document' is null, then the node returned will be allocated from the current Document. (this->GetDocument())

Note: if called on a XMLDocument, this will return null.

Implemented in tinyxml2::XMLElement, tinyxml2::XMLUnknown, tinyxml2::XMLDeclaration, tinyxml2::XMLComment, tinyxml2::XMLText, and tinyxml2::XMLDocument.

◆ ShallowEqual()

virtual bool tinyxml2::XMLNode::ShallowEqual ( const XMLNode compare) const
pure virtual

Test if 2 nodes are the same, but don't test children.

The 2 nodes do not need to be in the same Document.

Note: if called on a XMLDocument, this will return false.

Implemented in tinyxml2::XMLElement, tinyxml2::XMLUnknown, tinyxml2::XMLDeclaration, tinyxml2::XMLComment, tinyxml2::XMLText, and tinyxml2::XMLDocument.

◆ ToComment() [1/2]

virtual XMLComment* tinyxml2::XMLNode::ToComment ( )
inlinevirtual

Safely cast to a Comment, or null.

Reimplemented in tinyxml2::XMLComment.

◆ ToComment() [2/2]

virtual const XMLComment* tinyxml2::XMLNode::ToComment ( ) const
inlinevirtual

Reimplemented in tinyxml2::XMLComment.

◆ ToDeclaration() [1/2]

virtual XMLDeclaration* tinyxml2::XMLNode::ToDeclaration ( )
inlinevirtual

Safely cast to a Declaration, or null.

Reimplemented in tinyxml2::XMLDeclaration.

◆ ToDeclaration() [2/2]

virtual const XMLDeclaration* tinyxml2::XMLNode::ToDeclaration ( ) const
inlinevirtual

Reimplemented in tinyxml2::XMLDeclaration.

◆ ToDocument() [1/2]

virtual XMLDocument* tinyxml2::XMLNode::ToDocument ( )
inlinevirtual

Safely cast to a Document, or null.

Reimplemented in tinyxml2::XMLDocument.

◆ ToDocument() [2/2]

virtual const XMLDocument* tinyxml2::XMLNode::ToDocument ( ) const
inlinevirtual

Reimplemented in tinyxml2::XMLDocument.

◆ ToElement() [1/2]

virtual XMLElement* tinyxml2::XMLNode::ToElement ( )
inlinevirtual

Safely cast to an Element, or null.

Reimplemented in tinyxml2::XMLElement.

◆ ToElement() [2/2]

virtual const XMLElement* tinyxml2::XMLNode::ToElement ( ) const
inlinevirtual

Reimplemented in tinyxml2::XMLElement.

◆ ToText() [1/2]

virtual XMLText* tinyxml2::XMLNode::ToText ( )
inlinevirtual

Safely cast to Text, or null.

Reimplemented in tinyxml2::XMLText.

◆ ToText() [2/2]

virtual const XMLText* tinyxml2::XMLNode::ToText ( ) const
inlinevirtual

Reimplemented in tinyxml2::XMLText.

◆ ToUnknown() [1/2]

virtual XMLUnknown* tinyxml2::XMLNode::ToUnknown ( )
inlinevirtual

Safely cast to an Unknown, or null.

Reimplemented in tinyxml2::XMLUnknown.

◆ ToUnknown() [2/2]

virtual const XMLUnknown* tinyxml2::XMLNode::ToUnknown ( ) const
inlinevirtual

Reimplemented in tinyxml2::XMLUnknown.

◆ Value()

const char* tinyxml2::XMLNode::Value ( ) const

The meaning of 'value' changes for the specific type.

Document:       empty (NULL is returned, not an empty string)
Element:        name of the element
Comment:        the comment text
Unknown:        the tag contents
Text:           the text string

Friends And Related Function Documentation

◆ XMLDocument

friend class XMLDocument
friend

◆ XMLElement

friend class XMLElement
friend

Member Data Documentation

◆ _document

XMLDocument* tinyxml2::XMLNode::_document
protected

◆ _firstChild

XMLNode* tinyxml2::XMLNode::_firstChild
protected

◆ _lastChild

XMLNode* tinyxml2::XMLNode::_lastChild
protected

◆ _next

XMLNode* tinyxml2::XMLNode::_next
protected

◆ _parent

XMLNode* tinyxml2::XMLNode::_parent
protected

◆ _parseLineNum

int tinyxml2::XMLNode::_parseLineNum
protected

◆ _prev

XMLNode* tinyxml2::XMLNode::_prev
protected

◆ _userData

void* tinyxml2::XMLNode::_userData
protected

◆ _value

StrPair tinyxml2::XMLNode::_value
mutableprotected

The documentation for this class was generated from the following file: