UnicodeCharacterReader

java.lang.Object

com.io7m.jeucreader.UnicodeCharacterReader

All Implemented Interfaces:: UnicodeCharacterReaderPushBackType, UnicodeCharacterReaderType

public final class UnicodeCharacterReader extends Object implements UnicodeCharacterReaderPushBackType

The default implementation of UnicodeCharacterReaderType.

Constructor Summary

Constructors

Constructor

Description

UnicodeCharacterReader(Reader r)

Construct a new codepoint reader.
Method Summary

Modifier and Type

Method

Description

static UnicodeCharacterReaderPushBackType

newReader(Reader r)

Construct a new character reader from the given reader.

void

pushCodePoint(int c)

Push the character c to the stream.

int

readCodePoint()

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- UnicodeCharacterReader
  
  public UnicodeCharacterReader(Reader r)
  
  Construct a new codepoint reader.
  
  Parameters:
  
  r - An existing reader
Method Details
- newReader
  
  public static UnicodeCharacterReaderPushBackType newReader(Reader r)
  
  Construct a new character reader from the given reader.
  
  Parameters:
  
  r - The original reader
  
  Returns:
  
  A new reader
- pushCodePoint
  
  public void pushCodePoint(int c)
  
  Description copied from interface: UnicodeCharacterReaderPushBackType
  
  Push the character c to the stream.
  
  Specified by:
  
  pushCodePoint in interface UnicodeCharacterReaderPushBackType
  
  Parameters:
  
  c - The character to be pushed
- readCodePoint
  
  public int readCodePoint() throws IOException
  
  Specified by:
  
  readCodePoint in interface UnicodeCharacterReaderType
  
  Returns:
  
  A single unicode code point, or -1 at end-of-stream.
  
  Throws:
  
  IOException - On I/O errors
  
  InvalidSurrogatePair - If the character received after a high surrogate was not a low surrogate.
  
  MissingLowSurrogate - If an end-of-stream was encountered before the low surrogate of a surrogate pair was received.
  
  OrphanLowSurrogate - If a low surrogate was received outside of a high/low surrogate pair.