Class JavaCharStream


  • public class JavaCharStream
    extends java.lang.Object
    An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (with java-like unicode escape processing).
    • Field Summary

      Fields 
      Modifier and Type Field Description
      int bufpos
      Position in buffer.
      static boolean staticFlag
      Whether parser is static.
    • Constructor Summary

      Constructors 
      Constructor Description
      JavaCharStream​(java.io.InputStream dstream)
      Constructor.
      JavaCharStream​(java.io.InputStream dstream, int startline, int startcolumn)
      Constructor.
      JavaCharStream​(java.io.InputStream dstream, int startline, int startcolumn, int buffersize)
      Constructor.
      JavaCharStream​(java.io.InputStream dstream, java.lang.String encoding)
      Constructor.
      JavaCharStream​(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn)
      Constructor.
      JavaCharStream​(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize)
      Constructor.
      JavaCharStream​(java.io.Reader dstream)
      Constructor.
      JavaCharStream​(java.io.Reader dstream, int startline, int startcolumn)
      Constructor.
      JavaCharStream​(java.io.Reader dstream, int startline, int startcolumn, int buffersize)
      Constructor.
    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      void adjustBeginLineColumn​(int newLine, int newCol)
      Method to adjust line and column numbers for the start of a token.
      void backup​(int amount)
      Retreat.
      char BeginToken()  
      void Done()
      Set buffers back to null when finished.
      int getBeginColumn()  
      int getBeginLine()  
      int getColumn()
      Deprecated.
      int getEndColumn()
      Get end column.
      int getEndLine()
      Get end line.
      java.lang.String GetImage()  
      int getLine()
      Deprecated.
      char[] GetSuffix​(int len)  
      int getTabSize()  
      char readChar()
      Read a character.
      void ReInit​(java.io.InputStream dstream)
      Reinitialise.
      void ReInit​(java.io.InputStream dstream, int startline, int startcolumn)
      Reinitialise.
      void ReInit​(java.io.InputStream dstream, int startline, int startcolumn, int buffersize)
      Reinitialise.
      void ReInit​(java.io.InputStream dstream, java.lang.String encoding)
      Reinitialise.
      void ReInit​(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn)
      Reinitialise.
      void ReInit​(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize)
      Reinitialise.
      void ReInit​(java.io.Reader dstream)
      Reinitialise.
      void ReInit​(java.io.Reader dstream, int startline, int startcolumn)
      Reinitialise.
      void ReInit​(java.io.Reader dstream, int startline, int startcolumn, int buffersize)
      Reinitialise.
      void setTabSize​(int i)  
      • Methods inherited from class java.lang.Object

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

      • staticFlag

        public static final boolean staticFlag
        Whether parser is static.
        See Also:
        Constant Field Values
      • bufpos

        public int bufpos
        Position in buffer.
    • Constructor Detail

      • JavaCharStream

        public JavaCharStream​(java.io.Reader dstream,
                              int startline,
                              int startcolumn,
                              int buffersize)
        Constructor.
      • JavaCharStream

        public JavaCharStream​(java.io.Reader dstream,
                              int startline,
                              int startcolumn)
        Constructor.
      • JavaCharStream

        public JavaCharStream​(java.io.Reader dstream)
        Constructor.
      • JavaCharStream

        public JavaCharStream​(java.io.InputStream dstream,
                              java.lang.String encoding,
                              int startline,
                              int startcolumn,
                              int buffersize)
                       throws java.io.UnsupportedEncodingException
        Constructor.
        Throws:
        java.io.UnsupportedEncodingException
      • JavaCharStream

        public JavaCharStream​(java.io.InputStream dstream,
                              int startline,
                              int startcolumn,
                              int buffersize)
        Constructor.
      • JavaCharStream

        public JavaCharStream​(java.io.InputStream dstream,
                              java.lang.String encoding,
                              int startline,
                              int startcolumn)
                       throws java.io.UnsupportedEncodingException
        Constructor.
        Throws:
        java.io.UnsupportedEncodingException
      • JavaCharStream

        public JavaCharStream​(java.io.InputStream dstream,
                              int startline,
                              int startcolumn)
        Constructor.
      • JavaCharStream

        public JavaCharStream​(java.io.InputStream dstream,
                              java.lang.String encoding)
                       throws java.io.UnsupportedEncodingException
        Constructor.
        Throws:
        java.io.UnsupportedEncodingException
      • JavaCharStream

        public JavaCharStream​(java.io.InputStream dstream)
        Constructor.
    • Method Detail

      • setTabSize

        public void setTabSize​(int i)
      • getTabSize

        public int getTabSize()
      • BeginToken

        public char BeginToken()
                        throws java.io.IOException
        Returns:
        starting character for token.
        Throws:
        java.io.IOException
      • readChar

        public char readChar()
                      throws java.io.IOException
        Read a character.
        Throws:
        java.io.IOException
      • getColumn

        @Deprecated
        public int getColumn()
        Deprecated.
      • getLine

        @Deprecated
        public int getLine()
        Deprecated.
      • getEndColumn

        public int getEndColumn()
        Get end column.
      • getEndLine

        public int getEndLine()
        Get end line.
      • getBeginColumn

        public int getBeginColumn()
        Returns:
        column of token start
      • getBeginLine

        public int getBeginLine()
        Returns:
        line number of token start
      • backup

        public void backup​(int amount)
        Retreat.
      • ReInit

        public void ReInit​(java.io.Reader dstream,
                           int startline,
                           int startcolumn,
                           int buffersize)
        Reinitialise.
      • ReInit

        public void ReInit​(java.io.Reader dstream,
                           int startline,
                           int startcolumn)
        Reinitialise.
      • ReInit

        public void ReInit​(java.io.Reader dstream)
        Reinitialise.
      • ReInit

        public void ReInit​(java.io.InputStream dstream,
                           java.lang.String encoding,
                           int startline,
                           int startcolumn,
                           int buffersize)
                    throws java.io.UnsupportedEncodingException
        Reinitialise.
        Throws:
        java.io.UnsupportedEncodingException
      • ReInit

        public void ReInit​(java.io.InputStream dstream,
                           int startline,
                           int startcolumn,
                           int buffersize)
        Reinitialise.
      • ReInit

        public void ReInit​(java.io.InputStream dstream,
                           java.lang.String encoding,
                           int startline,
                           int startcolumn)
                    throws java.io.UnsupportedEncodingException
        Reinitialise.
        Throws:
        java.io.UnsupportedEncodingException
      • ReInit

        public void ReInit​(java.io.InputStream dstream,
                           int startline,
                           int startcolumn)
        Reinitialise.
      • ReInit

        public void ReInit​(java.io.InputStream dstream,
                           java.lang.String encoding)
                    throws java.io.UnsupportedEncodingException
        Reinitialise.
        Throws:
        java.io.UnsupportedEncodingException
      • ReInit

        public void ReInit​(java.io.InputStream dstream)
        Reinitialise.
      • GetImage

        public java.lang.String GetImage()
        Returns:
        token image as String
      • GetSuffix

        public char[] GetSuffix​(int len)
        Returns:
        suffix
      • Done

        public void Done()
        Set buffers back to null when finished.
      • adjustBeginLineColumn

        public void adjustBeginLineColumn​(int newLine,
                                          int newCol)
        Method to adjust line and column numbers for the start of a token.