asd
Class ASDGrammarReader

java.lang.Object
  asd.ASDGrammarReader

public class ASDGrammarReader
extends java.lang.Object

Instances can create an ASDGrammar from a character file.

Author:

James A. Mason

Constructor Summary

ASDGrammarReader(java.lang.String fileName)
Initializes a new ASDGrammarReader on a given file or URL.

ASDGrammarReader(java.lang.String fileName, boolean includeCoords)
Initializes a new ASDGrammarReader on a given file or URL.

Method Summary

void	close() Closes the InputStream used by the ASDGrammarReader, if the InputStream was opened from a URL.
java.util.HashMap<java.lang.String,java.util.ArrayList<ASDGrammarNode>>	getGrammar() Gets an ASD grammar from the file.

Methods inherited from class java.lang.Object

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

Constructor Detail

ASDGrammarReader

public ASDGrammarReader(java.lang.String fileName)
                 throws java.io.IOException,
                        java.net.MalformedURLException

Initializes a new ASDGrammarReader on a given file or URL. Throws an IOException or malformedURLException if the file or URL can't be opened. By default, pixel coordinates of grammar nodes are NOT loaded.

Parameters:

fileName - the name of the file or URL

Throws:

java.io.IOException

java.net.MalformedURLException

ASDGrammarReader

public ASDGrammarReader(java.lang.String fileName,
                        boolean includeCoords)
                 throws java.io.IOException,
                        java.net.MalformedURLException

Initializes a new ASDGrammarReader on a given file or URL. Throws an IOException or malformedURLException if the file or URL can't be opened.

Parameters:

fileName - the name of the file or URL

includeCoords - indicates whether or not to include pixel coordinates in the grammar loaded, if they are present. They are needed by the graphical grammar editor but not by the parser.

Throws:

java.io.IOException

java.net.MalformedURLException

Method Detail

close

public void close()
           throws java.io.IOException

Closes the InputStream used by the ASDGrammarReader, if the InputStream was opened from a URL.

Throws:

java.io.IOException

getGrammar

public java.util.HashMap<java.lang.String,java.util.ArrayList<ASDGrammarNode>> getGrammar()
                                                                                   throws java.io.IOException,
                                                                                          ASDInputException

Gets an ASD grammar from the file. Throws an ASDInputException if the grammar representation in the file is ill-formed.

Returns:

a HashMap of words and ArrayLists of ASDGrammarNodes that represent their instances.

Throws:

java.io.IOException

ASDInputException