fido.db
Class GrammarExpressions

java.lang.Object
  |
  +--fido.db.GrammarExpressions

public class GrammarExpressions

extends java.lang.Object

Constructor Summary

GrammarExpressions()

Method Summary

static java.lang.String	createGrammarString(BooleanTree tree) Compiles the grammar string from sybmbolic code to a String.
static BooleanTree	parseExpression(java.lang.String str)

Methods inherited from class java.lang.Object

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

Constructor Detail

GrammarExpressions

public GrammarExpressions()

Method Detail

parseExpression

public static BooleanTree parseExpression(java.lang.String str)
                                   throws FidoDatabaseException,
                                          GrammarParseException,
                                          GrammarLinkNotFoundException

Parameters:

str - String containing an expression to be parsed

Returns:

BooleanTree representing the expression in the parameter str

Throws:

GrammarParseException - thrown if the string passed has a syntax error or otherwise cannot be parsed

FidoDatabaseException

GrammarLinkNotFoundException

createGrammarString

public static java.lang.String createGrammarString(BooleanTree tree)
                                            throws GrammarParseException

Compiles the grammar string from sybmbolic code to a String. This does the opposite of parseExpression()

GrammarParseException

See Also:

parseExpression(java.lang.String)