Package com.thoughtworks.qdox.parser.impl

Class JFlexLexer

    • Constructor Summary

      Constructors 
      Constructor Description
      JFlexLexer​(java.io.InputStream stream)  
      JFlexLexer​(java.io.InputStream stream, java.io.Writer writer)  
      JFlexLexer​(java.io.Reader in)
      Creates a new scanner
      JFlexLexer​(java.io.Reader reader, java.io.Writer writer)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addCommentHandler​(CommentHandler handler)
      Register this handler as a comment-listener.
      java.lang.String getCodeBody()  
      int getColumn()  
      int getLine()  
      int lex()  
      java.lang.String text()  
      boolean yyatEOF()
      Returns whether the scanner has reached the end of the reader it reads from.
      void yybegin​(int newState)
      Enters a new lexical state.
      char yycharat​(int position)
      Returns the character at the given position from the matched text.
      void yyclose()
      Closes the input reader.
      int yylength()
      How many characters were matched.
      int yylex()
      Resumes scanning until the next regular expression is matched, the end of input is encountered or an I/O-Error occurs.
      void yypushback​(int number)
      Pushes the specified amount of characters back into the input stream.
      void yyreset​(java.io.Reader reader)
      Resets the scanner to read from a new input stream.
      int yystate()
      Returns the current lexical state.
      java.lang.String yytext()
      Returns the text matched by the current regular expression.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • JFlexLexer

        public JFlexLexer​(java.io.Reader reader,
                  java.io.Writer writer)

      • JFlexLexer

        public JFlexLexer​(java.io.InputStream stream)

      • JFlexLexer

        public JFlexLexer​(java.io.InputStream stream,
                  java.io.Writer writer)

      • JFlexLexer

        public JFlexLexer​(java.io.Reader in)
        Creates a new scanner
        Parameters:
        in - the java.io.Reader to read input from.

    • Method Detail

      • text

        public java.lang.String text()
        Specified by:
        text in interface Lexer

      • lex

        public int lex()
        throws java.io.IOException
        Specified by:
        lex in interface Lexer
        Throws:
        java.io.IOException

      • getLine

        public int getLine()
        Specified by:
        getLine in interface Lexer

      • getColumn

        public int getColumn()
        Specified by:
        getColumn in interface Lexer

      • getCodeBody

        public java.lang.String getCodeBody()
        Specified by:
        getCodeBody in interface Lexer

      • addCommentHandler

        public void addCommentHandler​(CommentHandler handler)
        Description copied from interface: CommentScanner
        Register this handler as a comment-listener. If scanner hits a comment, all handlers will be triggered.
        Specified by:
        addCommentHandler in interface CommentScanner
        Parameters:
        handler - the commentHandler to add to the CommentScanner

      • yyclose

        public final void yyclose()
                   throws java.io.IOException
        Closes the input reader.
        Throws:
        java.io.IOException - if the reader could not be closed.

      • yyreset

        public final void yyreset​(java.io.Reader reader)
        Resets the scanner to read from a new input stream.

        Does not close the old reader.

        All internal variables are reset, the old input stream cannot be reused (internal buffer is discarded and lost). Lexical state is set to ZZ_INITIAL.

        Internal scan buffer is resized down to its initial length, if it has grown.

        Parameters:
        reader - The new input stream.

      • yyatEOF

        public final boolean yyatEOF()
        Returns whether the scanner has reached the end of the reader it reads from.
        Returns:
        whether the scanner has reached EOF.

      • yystate

        public final int yystate()
        Returns the current lexical state.
        Returns:
        the current lexical state.

      • yybegin

        public final void yybegin​(int newState)
        Enters a new lexical state.
        Parameters:
        newState - the new lexical state

      • yytext

        public final java.lang.String yytext()
        Returns the text matched by the current regular expression.
        Returns:
        the matched text.

      • yycharat

        public final char yycharat​(int position)
        Returns the character at the given position from the matched text.

        It is equivalent to yytext().charAt(pos), but faster.

        Parameters:
        position - the position of the character to fetch. A value from 0 to yylength()-1.
        Returns:
        the character at position.

      • yylength

        public final int yylength()
        How many characters were matched.
        Returns:
        the length of the matched text region.

      • yypushback

        public void yypushback​(int number)
        Pushes the specified amount of characters back into the input stream.

        They will be read again by then next call of the scanning method.

        Parameters:
        number - the number of characters to be read again. This number must not be greater than yylength().

      • yylex

        public int yylex()
          throws java.io.IOException
        Resumes scanning until the next regular expression is matched, the end of input is encountered or an I/O-Error occurs.
        Returns:
        the next token.
        Throws:
        java.io.IOException - if any I/O-Error occurs.