Package org.apache.fontbox.cff

Interface DataInput

    • Method Summary

      All Methods Instance Methods Abstract Methods Default Methods 
      Modifier and Type Method Description
      int getPosition()
      Returns the current position.
      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.
      default int readInt()
      Read one single int (4 bytes) from the buffer.
      default int readOffset​(int offSize)
      Read the offset from the buffer.
      default short readShort()
      Read one single short value from the buffer.
      int readUnsignedByte()
      Read one single unsigned byte from the buffer.
      default 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.

    • Method Detail

      • hasRemaining

        boolean hasRemaining()
              throws java.io.IOException
        Determines if there are any bytes left to read or not.
        Returns:
        true if there are any bytes left to read
        Throws:
        java.io.IOException - if an error occurs during reading

      • getPosition

        int getPosition()
         throws java.io.IOException
        Returns the current position.
        Returns:
        current position
        Throws:
        java.io.IOException - if an error occurs during reading

      • setPosition

        void setPosition​(int position)
          throws java.io.IOException
        Sets the current position to the given value.
        Parameters:
        position - the given position
        Throws:
        java.io.IOException - if the new position ist out of range

      • readByte

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

      • readUnsignedByte

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

      • peekUnsignedByte

        int peekUnsignedByte​(int offset)
              throws java.io.IOException
        Peeks one single unsigned byte from the buffer.
        Parameters:
        offset - offset to the byte to be peeked
        Returns:
        the unsigned byte as int
        Throws:
        java.io.IOException - if an error occurs during reading

      • readShort

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

      • readUnsignedShort

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

      • readInt

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

      • readBytes

        byte[] readBytes​(int length)
          throws java.io.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:
        java.io.IOException - if an error occurs during reading

      • length

        int length()
    throws java.io.IOException
        Throws:
        java.io.IOException

      • readOffset

        default int readOffset​(int offSize)
                throws java.io.IOException
        Read the offset from the buffer.
        Parameters:
        offSize - the given offsize
        Returns:
        the offset
        Throws:
        java.io.IOException - if an error occurs during reading