org.typemeta.funcj.parser

Interface Input<I>

Type Parameters:

I - the input stream symbol type

public interface Input<I>

Input represents a position in a stream of input symbols, that Parsers operate on.

Method Summary

Modifier and Type	Method and Description
I	get() Returns the symbol from the stream indicated by this input.
boolean	isEof() Returns true if and only if this input is at the end of the input stream.
Input<I>	next() Get the next position in the input stream.
static Input<Chr>	of(char[] data) Construct an Input from a char array.
static Input<Chr>	of(Reader rdr) Construct an Input from a Reader.
static Input<Chr>	of(String s) Construct an Input from a String.
Object	position() Return a implementation-specific representation of the current position (e.g.

Method Detail

of

static Input<Chr> of(char[] data)

Construct an Input from a char array.

Parameters:

data - the input data

Returns:

the input stream

of

static Input<Chr> of(String s)

Construct an Input from a String.

Parameters:

s - the input data

Returns:

the input stream

of

static Input<Chr> of(Reader rdr)

Construct an Input from a Reader.

Parameters:

rdr - the input data

Returns:

the input stream

isEof

boolean isEof()

Returns true if and only if this input is at the end of the input stream.

Returns:

true if this input is at the end of the input stream

get

I get()

Returns the symbol from the stream indicated by this input. Will throw if isEof is true.

Returns:

the next symbol

next

Input<I> next()

Get the next position in the input stream. Will throw if isEof is true.

Returns:

the next position in the input stream

position

Object position()

Return a implementation-specific representation of the current position (e.g. an Integer).

Returns:

the current position