Class AbstractScanner

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected int blankCharacters
      The characters to skip to create the string which represents the current token.
      protected char[] buffer
      The recording buffer.
      protected int current
      The current char.
      protected int end
      The end offset of the last lexical unit.
      protected int position
      The current position in the buffer.
      protected int previousType
      The previous lexical unit type that was scanned.
      protected NormalizingReader reader
      The reader.
      protected int start
      The start offset of the last lexical unit.
      protected int type
      The type of the current lexical unit.
    • Constructor Summary

      Constructors 
      Constructor Description
      AbstractScanner​(java.io.InputStream is, java.lang.String enc)
      Creates a new AbstractScanner object.
      AbstractScanner​(java.io.Reader r)
      Creates a new AbstractScanner object.
      AbstractScanner​(java.lang.String s)
      Creates a new AbstractScanner object.
    • Method Summary

      All Methods Static Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      void clearBuffer()
      Clears the buffer.
      protected abstract int endGap()
      Returns the end gap of the current lexical unit.
      char[] getBuffer()
      Returns the buffer used to store the chars.
      int getColumn()
      Returns the current column.
      int getEnd()
      Returns the end offset of the last lexical unit.
      int getLine()
      Returns the current line.
      int getStart()
      Returns the start offset of the last lexical unit.
      java.lang.String getStringValue()
      Returns the string representation of the current lexical unit.
      int getType()
      The current lexical unit type like defined in LexicalUnits.
      protected static boolean isEqualIgnoreCase​(int i, char c)
      Compares the given int with the given character, ignoring case.
      int next()
      Returns the next token.
      protected int nextChar()
      Sets the value of the current char to the next character or -1 if the end of stream has been reached.
      protected abstract void nextToken()
      Returns the next token.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • current

        protected int current
        The current char.
      • buffer

        protected char[] buffer
        The recording buffer.
      • position

        protected int position
        The current position in the buffer.
      • type

        protected int type
        The type of the current lexical unit.
      • previousType

        protected int previousType
        The previous lexical unit type that was scanned.
      • start

        protected int start
        The start offset of the last lexical unit.
      • end

        protected int end
        The end offset of the last lexical unit.
      • blankCharacters

        protected int blankCharacters
        The characters to skip to create the string which represents the current token.
    • Constructor Detail

      • AbstractScanner

        public AbstractScanner​(java.io.Reader r)
                        throws ParseException
        Creates a new AbstractScanner object.
        Parameters:
        r - The reader to scan.
        Throws:
        ParseException
      • AbstractScanner

        public AbstractScanner​(java.io.InputStream is,
                               java.lang.String enc)
                        throws ParseException
        Creates a new AbstractScanner object.
        Parameters:
        is - The input stream to scan.
        enc - The encoding to use to decode the input stream, or null.
        Throws:
        ParseException
      • AbstractScanner

        public AbstractScanner​(java.lang.String s)
                        throws ParseException
        Creates a new AbstractScanner object.
        Parameters:
        s - The string to scan.
        Throws:
        ParseException
    • Method Detail

      • getLine

        public int getLine()
        Returns the current line.
      • getColumn

        public int getColumn()
        Returns the current column.
      • getBuffer

        public char[] getBuffer()
        Returns the buffer used to store the chars.
      • getStart

        public int getStart()
        Returns the start offset of the last lexical unit.
      • getEnd

        public int getEnd()
        Returns the end offset of the last lexical unit.
      • clearBuffer

        public void clearBuffer()
        Clears the buffer.
      • getType

        public int getType()
        The current lexical unit type like defined in LexicalUnits.
      • getStringValue

        public java.lang.String getStringValue()
        Returns the string representation of the current lexical unit.
      • endGap

        protected abstract int endGap()
        Returns the end gap of the current lexical unit.
      • isEqualIgnoreCase

        protected static boolean isEqualIgnoreCase​(int i,
                                                   char c)
        Compares the given int with the given character, ignoring case.
      • nextChar

        protected int nextChar()
                        throws java.io.IOException
        Sets the value of the current char to the next character or -1 if the end of stream has been reached.
        Throws:
        java.io.IOException