org.basex.data
Class Namespaces

java.lang.Object
  org.basex.util.Set
      org.basex.data.Namespaces

public final class Namespaces
extends Set

This class organizes the namespaces of a database.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Field Summary

Fields inherited from class org.basex.util.Set

size

Constructor Summary

Namespaces()
Default Constructor.

Namespaces(DataInput in)
Constructor, specifying an input file.

Method Summary

void	add(byte[] p, byte[] u) Adds the specified namespace.
void	close(int p) Closes a node.
void	finish(DataOutput out) Writes the namespaces to disk.
int	get(byte[] n) Returns the namespace for the specified qname.
int	get(byte[] n, int p) Returns the namespace for the specified qname and pre value.
int[]	get(int p) Returns the namespace keys and values for the specified pre value.
boolean	open(int p) Opens a node.
void	print(PrintOutput out, int s) Prints the namespace structure to the specified output stream.

Methods inherited from class org.basex.util.Set

add, delete, id, key, keys, size

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Namespaces

public Namespaces()

Default Constructor.

Namespaces

public Namespaces(DataInput in)
           throws java.io.IOException

Constructor, specifying an input file.

Parameters:

in - input stream

Throws:

java.io.IOException - I/O exception

Method Detail

finish

public void finish(DataOutput out)
            throws java.io.IOException

Writes the namespaces to disk.

Parameters:

out - output stream

Throws:

java.io.IOException - I/O exception

open

public boolean open(int p)

Opens a node.

Parameters:

p - current pre value

Returns:

true if namespaces have been registered

close

public void close(int p)

Closes a node.

Parameters:

p - current pre value

add

public void add(byte[] p,
                byte[] u)

Adds the specified namespace.

Parameters:

p - namespace prefix

u - namespace uri

get

public int get(byte[] n,
               int p)

Returns the namespace for the specified qname and pre value.

Parameters:

n - tag/attribute name

p - pre value

Returns:

namespace reference or 0 if no namespace was found

get

public int[] get(int p)

Returns the namespace keys and values for the specified pre value.

Parameters:

p - pre value

Returns:

namespace reference or 0 if no namespace was found

get

public int get(byte[] n)

Returns the namespace for the specified qname.

Parameters:

n - tag/attribute name

Returns:

namespace

print

public void print(PrintOutput out,
                  int s)
           throws java.io.IOException

Prints the namespace structure to the specified output stream.

Parameters:

out - output stream

s - space for pre value

Throws:

java.io.IOException - I/O exception