Occurrences Class Reference

Count subtree occurences Count the number of occurences of each subtree of a root tree. More...

#include <occurrences.hh>

Collaboration diagram for Occurrences:

List of all members.

Public Member Functions
	Occurrences (Tree root)
	Count the number of occurrences of each subtree of root.
int	getCount (Tree t)
	Get the number of occurrences of t.
Private Member Functions
Tree	specificKey (Tree root)
	Creates a specific property key for occurrences count in root.
void	countOccurrences (Tree t)
	Increment the occurrences count of t and its subtrees.
void	setCount (Tree t, int c)
	Set the number of occurrences of t.
Private Attributes
Tree	fKey

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Detailed Description

Count subtree occurences Count the number of occurences of each subtree of a root tree.

Definition at line 32 of file occurrences.hh.

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Constructor & Destructor Documentation

Occurrences::Occurrences

(

Tree

root

)

Count the number of occurrences of each subtree of root.

Definition at line 38 of file occurrences.cpp.

References countOccurrences(), fKey, setCount(), and specificKey().

{
    fKey = specificKey(root);
    countOccurrences(root);
    setCount(root,0);   // root as no occurences in itself
}   

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Member Function Documentation

void Occurrences::countOccurrences

(

Tree

t

)

[private]

Increment the occurrences count of t and its subtrees.

Definition at line 78 of file occurrences.cpp.

References CTree::arity(), CTree::branch(), getCount(), and setCount().

Referenced by Occurrences().

{   
    setCount(t, getCount(t)+1); // increment t occurrences count
    for (int i=0; i<t->arity(); i++) {
        countOccurrences(t->branch(i));
    }
}

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int Occurrences::getCount

(

Tree

t

)

Get the number of occurrences of t.

Definition at line 48 of file occurrences.cpp.

References fKey, Node::getInt(), getProperty(), and CTree::node().

Referenced by countOccurrences().

{
    Tree c;
    return (getProperty(t, fKey, c)) ? c->node().getInt() : 0;
}   

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void Occurrences::setCount	(	Tree	t,
		int	c
	)		[private]

Set the number of occurrences of t.

Definition at line 57 of file occurrences.cpp.

References fKey, setProperty(), and tree().

Referenced by countOccurrences(), and Occurrences().

{
    setProperty(t, fKey, tree(c));
}   

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Tree Occurrences::specificKey

(

Tree

root

)

[private]

Creates a specific property key for occurrences count in root.

Definition at line 67 of file occurrences.cpp.

References tree(), and unique().

Referenced by Occurrences().

{
    char    keyname[256];
    snprintf(keyname, 256, "OCCURRENCES COUNT IN %p : ", (CTree*)root);

    return tree(unique(keyname));   
}   

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Member Data Documentation

Tree Occurrences::fKey [private]

Definition at line 34 of file occurrences.hh.

Referenced by getCount(), Occurrences(), and setCount().

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

• occurrences.hh
• occurrences.cpp