org.antlr.v4.misc

Class Utils

java.lang.Object

org.antlr.v4.misc.Utils

public class Utils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Utils.Filter<T>
static interface	Utils.Func0<TResult>
static interface	Utils.Func1<T1,TResult>

Field Summary

Fields

Modifier and Type	Field and Description
static int	INTEGER_POOL_MAX_VALUE

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Methods

Modifier and Type	Method and Description
static String	capitalize(String s)
static String	decapitalize(String s)
static <T> T	find(List<?> ops, Class<T> cl) Find exact object type or subclass of cl in list
static <T> int	indexOf(List<? extends T> elems, Utils.Filter<T> filter)
static String	join(Object[] a, String separator)
static <T> int	lastIndexOf(List<? extends T> elems, Utils.Filter<T> filter)
static <T extends GrammarAST> List<String>	nodesToStrings(List<T> nodes)
static <From,To> List<To>	select(List<From> list, Utils.Func1<From,To> selector) apply methodName to list and return list of results.
static void	setSize(List<?> list, int size)
static String	sortLinesInString(String s)
static String	stripFileExtension(String name)

Methods inherited from class java.lang.Object

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

Field Detail

INTEGER_POOL_MAX_VALUE

public static final int INTEGER_POOL_MAX_VALUE

See Also:

Constant Field Values

Constructor Detail

Utils

public Utils()

Method Detail

stripFileExtension

public static String stripFileExtension(String name)

join

public static String join(Object[] a,
          String separator)

sortLinesInString

public static String sortLinesInString(String s)

nodesToStrings

public static <T extends GrammarAST> List<String> nodesToStrings(List<T> nodes)

capitalize

public static String capitalize(String s)

decapitalize

public static String decapitalize(String s)

select

public static <From,To> List<To> select(List<From> list,
                        Utils.Func1<From,To> selector)

apply methodName to list and return list of results. method has no args. This pulls data out of a list essentially.

find

public static <T> T find(List<?> ops,
         Class<T> cl)

Find exact object type or subclass of cl in list

indexOf

public static <T> int indexOf(List<? extends T> elems,
              Utils.Filter<T> filter)

lastIndexOf

public static <T> int lastIndexOf(List<? extends T> elems,
                  Utils.Filter<T> filter)

setSize

public static void setSize(List<?> list,
           int size)