C# Class MS.Internal.Xml.Cache.XPathDocumentNavigator

This is the default XPath/XQuery data model cache implementation. It will be used whenever the user does not supply his own XPathNavigator implementation.

Inheritance: System.Xml.XPath.XPathNavigator, IXmlLineInfo

Exibir arquivo Open project: gbarnett/shared-source-cli-2.0 Class Usage Examples

Private Properties

Property	Type	Description
GetFollowingEnd	int
GetPrimaryLocation	int
GetSecondaryLocation	int

Public Methods

Method	Description
Clone ( ) : XPathNavigator	Create a copy of this navigator, positioned to the same node in the tree.
ComparePosition ( XPathNavigator other ) : XmlNodeOrder	Returns: XmlNodeOrder.Unknown -- This navigator and the "other" navigator are not of the same type, or the navigator's are not positioned on nodes in the same document. XmlNodeOrder.Before -- This navigator's current node is before the "other" navigator's current node in document order. XmlNodeOrder.After -- This navigator's current node is after the "other" navigator's current node in document order. XmlNodeOrder.Same -- This navigator is positioned on the same node as the "other" navigator.
GetPositionHashCode ( ) : int	Get hashcode based on current position of the navigator.
HasLineInfo ( ) : bool	Return true if line number information is recorded in the cache.
IsContentKindMatch ( XPathNodeType typ ) : bool	Return true if navigator is positioned to a content node of the specified kind. Whitespace/SignficantWhitespace/Text are all treated the same (i.e. they all match each other).
IsDescendant ( XPathNavigator other ) : bool	Return true if the "other" navigator's current node is a descendant of this navigator's current node.
IsElementMatch ( string localName, string namespaceURI ) : bool	Return true if navigator is positioned to an element having the specified name.
IsKindMatch ( XPathNodeType typ ) : bool	Return true if navigator is positioned to a node of the specified kind. Whitespace/SignficantWhitespace/Text are all treated the same (i.e. they all match each other).
IsSamePosition ( XPathNavigator other ) : bool	Returns true if this navigator is positioned to the same node as the "other" navigator. Returns false if not, or if the "other" navigator is not the same type as this navigator.
MoveTo ( XPathNavigator other ) : bool	Position this navigator to the same position as the "other" navigator. If the "other" navigator is not of the same type as this navigator, then return false.
MoveToAttribute ( string localName, string namespaceURI ) : bool	Position the navigator on the attribute with the specified name and return true. If no matching attribute can be found, return false. Don't assume the name parts are atomized with respect to this document.
MoveToChild ( XPathNodeType type ) : bool	Move to the first content child of the current node with the specified type. Return false if the current node has no matching children.
MoveToChild ( string localName, string namespaceURI ) : bool	Move to the first element child of the current node with the specified name. Return false if the current node has no matching element children.
MoveToFirstAttribute ( ) : bool	Position the navigator on the first attribute of the current node and return true. If no attributes can be found, return false.
MoveToFirstChild ( ) : bool	Move to the first content-typed child of the current node. Return false if the current node has no content children.
MoveToFirstNamespace ( XPathNamespaceScope namespaceScope ) : bool	Position the navigator on the namespace within the specified scope. If no matching namespace can be found, return false.
MoveToFollowing ( XPathNodeType type, XPathNavigator end ) : bool	Move to the next node that: 1. Follows the current node in document order (includes descendants, unlike XPath following axis) 2. Precedes "end" in document order (if end is null, then all following nodes in the document are considered) 3. Has the specified XPathNodeType Return false if the current node has no matching following nodes.
MoveToFollowing ( string localName, string namespaceURI, XPathNavigator end ) : bool	Move to the next element that: 1. Follows the current node in document order (includes descendants, unlike XPath following axis) 2. Precedes "end" in document order (if end is null, then all following nodes in the document are considered) 3. Has the specified QName Return false if the current node has no matching following elements.
MoveToId ( string id ) : bool	Position to the navigator to the element whose id is equal to the specified "id" string.
MoveToNext ( ) : bool	If the current node is an attribute or namespace (not content), return false. Otherwise, move to the next content node. Return false if there are no more content nodes.
MoveToNext ( XPathNodeType type ) : bool	Move to the first content sibling of the current node with the specified type. Return false if the current node has no matching siblings.
MoveToNext ( string localName, string namespaceURI ) : bool	Move to the first element sibling of the current node with the specified name. Return false if the current node has no matching element siblings.
MoveToNextAttribute ( ) : bool	If positioned on an attribute, move to its next sibling attribute. If no attributes can be found, return false.
MoveToNextNamespace ( XPathNamespaceScope scope ) : bool	Position the navigator on the next namespace within the specified scope. If no matching namespace can be found, return false.
MoveToParent ( ) : bool	Position the navigator on the parent of the current node. If the current node has no parent, return false.
MoveToPrevious ( ) : bool	If the current node is an attribute or namespace (not content), return false. Otherwise, move to the previous (sibling) content node. Return false if there are no previous content nodes.
MoveToRoot ( ) : void	Position the navigator on the root node of the current document.
SelectChildren ( XPathNodeType type ) : XPathNodeIterator	Return an iterator that ranges over all children of the current node that match the specified XPathNodeType.
SelectChildren ( string name, string namespaceURI ) : XPathNodeIterator	Return an iterator that ranges over all children of the current node that match the specified QName.
SelectDescendants ( XPathNodeType type, bool matchSelf ) : XPathNodeIterator	Return an iterator that ranges over all descendants of the current node that match the specified XPathNodeType. If matchSelf is true, then also perform the match on the current node.
SelectDescendants ( string name, string namespaceURI, bool matchSelf ) : XPathNodeIterator	Return an iterator that ranges over all descendants of the current node that match the specified QName. If matchSelf is true, then also perform the match on the current node.
XPathDocumentNavigator ( XPathDocumentNavigator nav ) : System	Copy constructor.
XPathDocumentNavigator ( XPathNode pageCurrent, int idxCurrent, XPathNode pageParent, int idxParent ) : System	Create a new navigator positioned on the specified current node. If the current node is a namespace or a collapsed text node, then the parent is a virtualized parent (may be different than .Parent on the current node).

Private Methods

Method	Description
GetFollowingEnd ( XPathDocumentNavigator end, bool useParentOfVirtual, XPathNode &pageEnd ) : int	"end" is positioned on a node which terminates a following scan. Return the page and index of "end" if it is positioned to a non-virtual node. If "end" is positioned to a virtual node: 1. If useParentOfVirtual is true, then return the page and index of the virtual node's parent 2. If useParentOfVirtual is false, then return the page and index of the virtual node's parent + 1.
GetPrimaryLocation ( ) : int	Construct a primary location for this navigator. The location is an integer that can be easily compared with other locations in the same document in order to determine the relative document order of two nodes. If two locations compare equal, then secondary locations should be compared.
GetSecondaryLocation ( ) : int	Construct a secondary location for this navigator. This location should only be used if primary locations previously compared equal.

Method Details

Clone() public method

Create a copy of this navigator, positioned to the same node in the tree.

public Clone ( ) : XPathNavigator
return	System.Xml.XPath.XPathNavigator

ComparePosition() public method

Returns: XmlNodeOrder.Unknown -- This navigator and the "other" navigator are not of the same type, or the navigator's are not positioned on nodes in the same document. XmlNodeOrder.Before -- This navigator's current node is before the "other" navigator's current node in document order. XmlNodeOrder.After -- This navigator's current node is after the "other" navigator's current node in document order. XmlNodeOrder.Same -- This navigator is positioned on the same node as the "other" navigator.

public ComparePosition ( XPathNavigator other ) : XmlNodeOrder
other	System.Xml.XPath.XPathNavigator
return	XmlNodeOrder

GetPositionHashCode() public method

Get hashcode based on current position of the navigator.

public GetPositionHashCode ( ) : int
return	int

HasLineInfo() public method

Return true if line number information is recorded in the cache.

public HasLineInfo ( ) : bool
return	bool

IsContentKindMatch() public method

Return true if navigator is positioned to a content node of the specified kind. Whitespace/SignficantWhitespace/Text are all treated the same (i.e. they all match each other).

public IsContentKindMatch ( XPathNodeType typ ) : bool
typ	XPathNodeType
return	bool

IsDescendant() public method

Return true if the "other" navigator's current node is a descendant of this navigator's current node.

public IsDescendant ( XPathNavigator other ) : bool
other	System.Xml.XPath.XPathNavigator
return	bool

IsElementMatch() public method

Return true if navigator is positioned to an element having the specified name.

public IsElementMatch ( string localName, string namespaceURI ) : bool
localName	string
namespaceURI	string
return	bool

IsKindMatch() public method

Return true if navigator is positioned to a node of the specified kind. Whitespace/SignficantWhitespace/Text are all treated the same (i.e. they all match each other).

public IsKindMatch ( XPathNodeType typ ) : bool
typ	XPathNodeType
return	bool

IsSamePosition() public method

Returns true if this navigator is positioned to the same node as the "other" navigator. Returns false if not, or if the "other" navigator is not the same type as this navigator.

public IsSamePosition ( XPathNavigator other ) : bool
other	System.Xml.XPath.XPathNavigator
return	bool

MoveTo() public method

Position this navigator to the same position as the "other" navigator. If the "other" navigator is not of the same type as this navigator, then return false.

public MoveTo ( XPathNavigator other ) : bool
other	System.Xml.XPath.XPathNavigator
return	bool

MoveToAttribute() public method

Position the navigator on the attribute with the specified name and return true. If no matching attribute can be found, return false. Don't assume the name parts are atomized with respect to this document.

public MoveToAttribute ( string localName, string namespaceURI ) : bool
localName	string
namespaceURI	string
return	bool

MoveToChild() public method

Move to the first content child of the current node with the specified type. Return false if the current node has no matching children.

public MoveToChild ( XPathNodeType type ) : bool
type	XPathNodeType
return	bool

MoveToChild() public method

Move to the first element child of the current node with the specified name. Return false if the current node has no matching element children.

public MoveToChild ( string localName, string namespaceURI ) : bool
localName	string
namespaceURI	string
return	bool

MoveToFirstAttribute() public method

Position the navigator on the first attribute of the current node and return true. If no attributes can be found, return false.

public MoveToFirstAttribute ( ) : bool
return	bool

MoveToFirstChild() public method

Move to the first content-typed child of the current node. Return false if the current node has no content children.

public MoveToFirstChild ( ) : bool
return	bool

MoveToFirstNamespace() public method

Position the navigator on the namespace within the specified scope. If no matching namespace can be found, return false.

public MoveToFirstNamespace ( XPathNamespaceScope namespaceScope ) : bool
namespaceScope	XPathNamespaceScope
return	bool

MoveToFollowing() public method

Move to the next node that: 1. Follows the current node in document order (includes descendants, unlike XPath following axis) 2. Precedes "end" in document order (if end is null, then all following nodes in the document are considered) 3. Has the specified XPathNodeType Return false if the current node has no matching following nodes.

public MoveToFollowing ( XPathNodeType type, XPathNavigator end ) : bool
type	XPathNodeType
end	System.Xml.XPath.XPathNavigator
return	bool

MoveToFollowing() public method

Move to the next element that: 1. Follows the current node in document order (includes descendants, unlike XPath following axis) 2. Precedes "end" in document order (if end is null, then all following nodes in the document are considered) 3. Has the specified QName Return false if the current node has no matching following elements.

public MoveToFollowing ( string localName, string namespaceURI, XPathNavigator end ) : bool
localName	string
namespaceURI	string
end	System.Xml.XPath.XPathNavigator
return	bool

MoveToId() public method

Position to the navigator to the element whose id is equal to the specified "id" string.

public MoveToId ( string id ) : bool
id	string
return	bool

MoveToNext() public method

If the current node is an attribute or namespace (not content), return false. Otherwise, move to the next content node. Return false if there are no more content nodes.

public MoveToNext ( ) : bool
return	bool

MoveToNext() public method

Move to the first content sibling of the current node with the specified type. Return false if the current node has no matching siblings.

public MoveToNext ( XPathNodeType type ) : bool
type	XPathNodeType
return	bool

MoveToNext() public method

Move to the first element sibling of the current node with the specified name. Return false if the current node has no matching element siblings.

public MoveToNext ( string localName, string namespaceURI ) : bool
localName	string
namespaceURI	string
return	bool

MoveToNextAttribute() public method

If positioned on an attribute, move to its next sibling attribute. If no attributes can be found, return false.

public MoveToNextAttribute ( ) : bool
return	bool

MoveToNextNamespace() public method

Position the navigator on the next namespace within the specified scope. If no matching namespace can be found, return false.

public MoveToNextNamespace ( XPathNamespaceScope scope ) : bool
scope	XPathNamespaceScope
return	bool

MoveToParent() public method

Position the navigator on the parent of the current node. If the current node has no parent, return false.

public MoveToParent ( ) : bool
return	bool

MoveToPrevious() public method

If the current node is an attribute or namespace (not content), return false. Otherwise, move to the previous (sibling) content node. Return false if there are no previous content nodes.

public MoveToPrevious ( ) : bool
return	bool

MoveToRoot() public method

Position the navigator on the root node of the current document.

public MoveToRoot ( ) : void
return	void

SelectChildren() public method

Return an iterator that ranges over all children of the current node that match the specified XPathNodeType.

public SelectChildren ( XPathNodeType type ) : XPathNodeIterator
type	XPathNodeType
return	System.Xml.XPath.XPathNodeIterator

SelectChildren() public method

Return an iterator that ranges over all children of the current node that match the specified QName.

public SelectChildren ( string name, string namespaceURI ) : XPathNodeIterator
name	string
namespaceURI	string
return	System.Xml.XPath.XPathNodeIterator

SelectDescendants() public method

Return an iterator that ranges over all descendants of the current node that match the specified XPathNodeType. If matchSelf is true, then also perform the match on the current node.

public SelectDescendants ( XPathNodeType type, bool matchSelf ) : XPathNodeIterator
type	XPathNodeType
matchSelf	bool
return	System.Xml.XPath.XPathNodeIterator

SelectDescendants() public method

Return an iterator that ranges over all descendants of the current node that match the specified QName. If matchSelf is true, then also perform the match on the current node.

public SelectDescendants ( string name, string namespaceURI, bool matchSelf ) : XPathNodeIterator
name	string
namespaceURI	string
matchSelf	bool
return	System.Xml.XPath.XPathNodeIterator

XPathDocumentNavigator() public method

Copy constructor.

public XPathDocumentNavigator ( XPathDocumentNavigator nav ) : System
nav	XPathDocumentNavigator
return	System

XPathDocumentNavigator() public method

Create a new navigator positioned on the specified current node. If the current node is a namespace or a collapsed text node, then the parent is a virtualized parent (may be different than .Parent on the current node).

public XPathDocumentNavigator ( XPathNode pageCurrent, int idxCurrent, XPathNode pageParent, int idxParent ) : System
pageCurrent	XPathNode
idxCurrent	int
pageParent	XPathNode
idxParent	int
return	System