[Java] Class UnicodeEscapingReader

Translates GLS-defined unicode escapes into characters. Throws an exception in the event of an invalid unicode escape being detected.

No attempt has been made to optimize this class for speed or space.

Methods Summary

Methods
Type Params	Return Type	Name and description
	`def`	`UnicodeEscapingReader(Reader reader, SourceBuffer sourceBuffer)` Constructor.
	`void`	`close()` Closes this reader by calling close on the underlying reader.
	`int`	`getUnescapedUnicodeColumnCount()`
	`int`	`getUnescapedUnicodeOffsetCount()`
	`int`	`read(char[] cbuf, int off, int len)` Reads characters from the underlying reader.
	`int`	`read()` Gets the next character from the underlying reader, translating escapes as required.
	`void`	`setLexer(CharScanner lexer)` Sets the lexer that is using this reader.

Inherited Methods
Methods inherited from class	Name
`class Reader`	`read, read, read, read, close, mark, markSupported, reset, skip, ready, wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll`

Constructor.

Closes this reader by calling close on the underlying reader.

Reads characters from the underlying reader.

Gets the next character from the underlying reader, translating escapes as required.

Sets the lexer that is using this reader. Must be called before the lexer is used.