Package org.apache.fontbox.cff

Class DataInput

java.lang.Object
org.apache.fontbox.cff.DataInput
Direct Known Subclasses:
CFFDataInput
public class DataInput extends Object
This class contains some functionality to read a byte buffer.
Author:
Villu Ruusmann

  • Constructor Summary

    Constructors
    Constructor
    Description
    DataInput(byte[] buffer)
    Constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    getPosition()
    Returns the current position.
    String
    getString()
    Returns the buffer as an ISO-8859-1 string.
    boolean
    hasRemaining()
    Determines if there are any bytes left to read or not.
    int
    length()
     
    int
    peekUnsignedByte(int offset)
    Peeks one single unsigned byte from the buffer.
    byte
    readByte()
    Read one single byte from the buffer.
    byte[]
    readBytes(int length)
    Read a number of single byte values from the buffer.
    int
    readInt()
    Read one single int (4 bytes) from the buffer.
    short
    readShort()
    Read one single short value from the buffer.
    int
    readUnsignedByte()
    Read one single unsigned byte from the buffer.
    int
    readUnsignedShort()
    Read one single unsigned short (2 bytes) value from the buffer.
    void
    setPosition(int position)
    Sets the current position to the given value.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • DataInput

      public DataInput(byte[] buffer)
      Constructor.
      Parameters:
      buffer - the buffer to be read

  • Method Details

    • hasRemaining

      public boolean hasRemaining()
      Determines if there are any bytes left to read or not.
      Returns:
      true if there are any bytes left to read

    • getPosition

      public int getPosition()
      Returns the current position.
      Returns:
      current position

    • setPosition

      public void setPosition(int position)
      Sets the current position to the given value.
      Parameters:
      position - the given position

    • getString

      public String getString() throws IOException
      Returns the buffer as an ISO-8859-1 string.
      Returns:
      the buffer as string
      Throws:
      IOException - if an error occurs during reading

    • readByte

      public byte readByte() throws IOException
      Read one single byte from the buffer.
      Returns:
      the byte
      Throws:
      IOException - if an error occurs during reading

    • readUnsignedByte

      public int readUnsignedByte() throws IOException
      Read one single unsigned byte from the buffer.
      Returns:
      the unsigned byte as int
      Throws:
      IOException - if an error occurs during reading

    • peekUnsignedByte

      public int peekUnsignedByte(int offset) throws IOException
      Peeks one single unsigned byte from the buffer.
      Returns:
      the unsigned byte as int
      Throws:
      IOException - if an error occurs during reading

    • readShort

      public short readShort() throws IOException
      Read one single short value from the buffer.
      Returns:
      the short value
      Throws:
      IOException - if an error occurs during reading

    • readUnsignedShort

      public int readUnsignedShort() throws IOException
      Read one single unsigned short (2 bytes) value from the buffer.
      Returns:
      the unsigned short value as int
      Throws:
      IOException - if an error occurs during reading

    • readInt

      public int readInt() throws IOException
      Read one single int (4 bytes) from the buffer.
      Returns:
      the int value
      Throws:
      IOException - if an error occurs during reading

    • readBytes

      public byte[] readBytes(int length) throws IOException
      Read a number of single byte values from the buffer.
      Parameters:
      length - the number of bytes to be read
      Returns:
      an array with containing the bytes from the buffer
      Throws:
      IOException - if an error occurs during reading

    • length

      public int length()