Package net.diversionmc.parser.expression

Class NumberPiece

java.lang.Object

net.diversionmc.parser.util.Pointable

net.diversionmc.parser.expression.ExpressionPiece

net.diversionmc.parser.expression.NumberPiece

public class NumberPiece
extends ExpressionPiece

Reads until it is no longer able to parse a number.

Constructor Summary

Constructors

Constructor	Description
NumberPiece(FilePointer ptr)	Construct a number piece at a position.

Method Summary

Modifier and Type	Method	Description
double	number()	Get parsed number value.
PieceResult	read(char c, FilePointer ptr)	Parse a character by this piece.
static boolean	tryBoolean(String s)	Try to parse string as a number and compare to 0 or compare it to string of value "true".
static Double	tryNumber(String s)	Try to decode a double-type number.

Methods inherited from class net.diversionmc.parser.expression.ExpressionPiece

replace

Methods inherited from class net.diversionmc.parser.util.Pointable

pointer

Methods inherited from class java.lang.Object

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

Constructor Details

NumberPiece

public NumberPiece(FilePointer ptr)

Construct a number piece at a position.

Parameters:

ptr - Creation position.

Method Details

read

public PieceResult read(char c,
 FilePointer ptr)

Description copied from class: ExpressionPiece

Parse a character by this piece.

Specified by:

read in class ExpressionPiece

Parameters:

c - Character to parse.

ptr - Character position in file.

Returns:

PieceResult

number

public double number()

Get parsed number value.

Returns:

Number Piece value.

tryNumber

public static Double tryNumber(String s)

Try to decode a double-type number. Accepts hex inputs, etc.

Parameters:

s - String to parse.

Returns:

Parsed double or null if the string is not a number.

See Also:

• Long.decode(String)
• Double.parseDouble(String)

tryBoolean

public static boolean tryBoolean(String s)

Try to parse string as a number and compare to 0 or compare it to string of value "true".

Parameters:

s - String to parse.

Returns:

Parsed boolean. If input is a number, then 0 = false, other = true, else true if string is equal to "true" (case-insensitive).

See Also:

• tryNumber(String)