PassiveProjectionTreeNode Class Reference

A node of the passive projection tree. More...

#include <passiveprojectiontreenode.h>

Collaboration diagram for PassiveProjectionTreeNode:

[legend]

List of all members.

Public Member Functions
	PassiveProjectionTreeNode ()
	Constructor.
	PassiveProjectionTreeNode (PassiveProjectionTreeNode *_parent, PathStepExpression *_label)
	Constructor.
virtual	~PassiveProjectionTreeNode ()
void	registerPath (PathExpression *path, unsigned pos)
	Registers a path to the passive projection tree node.
void	print (OutputStream &dos)
	Prints the path expression node.
PassiveProjectionTreeNode *	getParent ()
	Returns the parent of this passive projection tree node.
vector < PassiveProjectionTreeNode * > *	getChildren ()
	Returns the children of this PassiveProjectionTreeNode.
PathStepExpression *	getLabel ()
	Returns the label of the passive projection tree node.
Private Member Functions
void	print (OutputStream &dos, unsigned indents)
	Prints the path expression node fixed indent.
Private Attributes
PassiveProjectionTreeNode *	parent
	Pointer to the parent of this passive projection tree node.
PathStepExpression *	label
	The path step expression associated with this node.
vector < PassiveProjectionTreeNode * >	children

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Detailed Description

A node of the passive projection tree.

Each node in the passive projection tree describes exactly one path step (i.e., is labeled with a path step or NULL, for the root).

Author:

Michael Schmidt

Gunnar Jehl

Version:

2.1

License:

Software License Agreement (BSD License)

Definition at line 54 of file passiveprojectiontreenode.h.

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Constructor & Destructor Documentation

PassiveProjectionTreeNode::PassiveProjectionTreeNode

(

)

Constructor.

Constructor - creating object for the root node.

Definition at line 37 of file passiveprojectiontreenode.cpp.

Referenced by registerPath().

PassiveProjectionTreeNode::PassiveProjectionTreeNode	(	PassiveProjectionTreeNode *	_parent,
		PathStepExpression *	_label
	)

Constructor.

Constructor - creating object for a labeled passive projection tree node.

Parameters:

[in]	_parent	The designated parent of this node.
[in]	_label	The designated label of this node.

Definition at line 41 of file passiveprojectiontreenode.cpp.

PassiveProjectionTreeNode::~PassiveProjectionTreeNode

(

)

[virtual]

Destructor.

Definition at line 45 of file passiveprojectiontreenode.cpp.

References children, and label.

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Member Function Documentation

vector< PassiveProjectionTreeNode * > * PassiveProjectionTreeNode::getChildren

(

)

[inline]

Returns the children of this PassiveProjectionTreeNode.

The children are all stored in member childre.

Return values:

vector<PassiveProjectionTreeNode*>*

Pointer to the vector containing the children of the curren PassiveProjectionTreeNode.

Definition at line 106 of file passiveprojectiontreenode.h.

Referenced by PassiveProjectionTreeConfiguration::applyTag().

PathStepExpression * PassiveProjectionTreeNode::getLabel

(

)

[inline]

Returns the label of the passive projection tree node.

Note that the label of the root node is NULL.

Return values:

PathStepExpression*

Pointer to the PathStepExpression label.

Definition at line 115 of file passiveprojectiontreenode.h.

References label.

Referenced by PassiveProjectionTreeConfiguration::applyTag().

PassiveProjectionTreeNode * PassiveProjectionTreeNode::getParent

(

)

[inline]

Returns the parent of this passive projection tree node.

Returns NULL for the root node.

Return values:

PassiveProjectionTreeNode*

Pointer to the parent node of the current ProjectionTreeNode, if it exists, NULL otherwise.

Definition at line 98 of file passiveprojectiontreenode.h.

References parent.

void PassiveProjectionTreeNode::print	(	OutputStream &	dos,
		unsigned	indents
	)			[private]

Prints the path expression node fixed indent.

Help function of public print() method.

Parameters:

[in]	dos	Refernece to the (debug) OutputStream.
[in]	indents	Number of indent characters.

Return values:

void

Definition at line 87 of file passiveprojectiontreenode.cpp.

References children, incrementIndents(), label, NEWLINE, resetIndents(), and writeIndents().

void PassiveProjectionTreeNode::print

(

OutputStream &

dos

)

Prints the path expression node.

This method is for debugging purpose only.

Parameters:

[in]

dos

Reference to the (debug) OutputStream.

Return values:

void

Definition at line 82 of file passiveprojectiontreenode.cpp.

References resetIndents().

Referenced by PassiveProjectionTree::print().

void PassiveProjectionTreeNode::registerPath	(	PathExpression *	path,
		unsigned	pos
	)

Registers a path to the passive projection tree node.

The path is automatically inserted at the right position.

Parameters:

[in]	path	The path to be registered.
[in]	pos	The current position within the path

Return values:

void

Definition at line 52 of file passiveprojectiontreenode.cpp.

References children, PathExpression::getPathStepAt(), PathStepExpression::isSyntacticallyEqualTo(), PassiveProjectionTreeNode(), and registerPath().

Referenced by registerPath(), and PassiveProjectionTree::registerPath().

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Member Data Documentation

vector< PassiveProjectionTreeNode * > PassiveProjectionTreeNode::children [private]

The children of this passive projection tree node.

Definition at line 145 of file passiveprojectiontreenode.h.

Referenced by print(), registerPath(), and ~PassiveProjectionTreeNode().

PathStepExpression * PassiveProjectionTreeNode::label [private]

The path step expression associated with this node.

Is NULL for the root node.

Definition at line 139 of file passiveprojectiontreenode.h.

Referenced by getLabel(), print(), and ~PassiveProjectionTreeNode().

PassiveProjectionTreeNode * PassiveProjectionTreeNode::parent [private]

Pointer to the parent of this passive projection tree node.

Is NULL for the root node.

Definition at line 133 of file passiveprojectiontreenode.h.

Referenced by getParent().