com.clarkparsia.sparqlowl.parser

Class ParserUtilities

java.lang.Object

com.clarkparsia.sparqlowl.parser.ParserUtilities

public class ParserUtilities
extends Object

Title: Parser Utilities

Description: Static utility methods and fields used by the ANTLR generated parser sources. This code is in a separate Java file rather than in the ANTLR sources to make it easier to maintain with comfortable Java tools (e.g., Eclipse).

Copyright: Copyright (c) 2009

Company: Clark & Parsia, LLC.

Author:

Mike Smith msmith@clarkparsia.com

Constructor Summary

Constructors

Constructor and Description
ParserUtilities()

Method Summary

Modifier and Type	Method and Description
static String	dropFirstAndLast(String s) Trim first and last character from s.
static String	dropFirstAndLast3(String s) Trim first and last character from s.
static String	sparqlUnescape(String s) Reverse character escaping in a string literal consistent with SPARQL A.7, A.8[91]

Methods inherited from class java.lang.Object

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

Constructor Detail

ParserUtilities

public ParserUtilities()

Method Detail

dropFirstAndLast

public static String dropFirstAndLast(String s)

Trim first and last character from s. Used when the parser matches STRING_LITERAL1 or STRING_LITERAL2 (SPARQL A.8[87]-[88])

Parameters:

s - The string to be trimmed

Returns:

The string without its first and last character

dropFirstAndLast3

public static String dropFirstAndLast3(String s)

Trim first and last character from s. Used when the parser matches STRING_LITERAL_LONG1 or STRING_LITERAL_LONG2 (SPARQL A.8[89]-[90])

Parameters:

s - The string to be trimmed

Returns:

The string without its first and last character

sparqlUnescape

public static String sparqlUnescape(String s)

Reverse character escaping in a string literal consistent with SPARQL A.7, A.8[91]