cc.redberry.core.parser

Class ParserIndices

java.lang.Object

cc.redberry.core.parser.ParserIndices

public final class ParserIndices
extends java.lang.Object

Parser for indices of tensors.

Since:

1.0

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.regex.Pattern	pattern A bit of regex

Constructor Summary

Constructors

Constructor and Description
ParserIndices()

Method Summary

Modifier and Type	Method and Description
static int[]	parse(java.lang.String expression) Parses string expression an return integer array of indices.
static SimpleIndices	parseSimple(java.lang.String expression) Parses string expression an returns indices.

Methods inherited from class java.lang.Object

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

Field Detail

pattern

public static final java.util.regex.Pattern pattern

A bit of regex

Constructor Detail

ParserIndices

public ParserIndices()

Method Detail

parseSimple

public static SimpleIndices parseSimple(java.lang.String expression)

Parses string expression an returns indices.

Parameters:

expression - string representation of indices

Returns:

integer indices

Throws:

java.lang.IllegalArgumentException - if string does not represent correct indices object.

parse

public static int[] parse(java.lang.String expression)

Parses string expression an return integer array of indices.

Parameters:

expression - string representation of indices

Returns:

integer array of indices

Throws:

java.lang.IllegalArgumentException - if string does not represent correct indices object.