Package net.sourceforge.pmd.lang.ast

Class SimpleCharStream

  • All Implemented Interfaces:
    CharStream
    public class SimpleCharStream
extends java.lang.Object
implements CharStream
    An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).

    • Constructor Summary

      Constructors 
      Constructor Description
      SimpleCharStream​(java.io.InputStream dstream)
      Constructor.
      SimpleCharStream​(java.io.InputStream dstream, int startline, int startcolumn)
      Constructor.
      SimpleCharStream​(java.io.InputStream dstream, int startline, int startcolumn, int buffersize)
      Constructor.
      SimpleCharStream​(java.io.InputStream dstream, java.lang.String encoding)
      Constructor.
      SimpleCharStream​(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn)
      Constructor.
      SimpleCharStream​(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize)
      Constructor.
      SimpleCharStream​(java.io.Reader dstream)
      Constructor.
      SimpleCharStream​(java.io.Reader dstream, int startline, int startcolumn)
      Constructor.
      SimpleCharStream​(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)
      Backup a number of characters.
      char BeginToken()
      Start.
      void Done()
      Reset buffer when finished.
      protected void ExpandBuff​(boolean wrapAround)  
      protected void FillBuff()  
      int getBeginColumn()
      Get token beginning column number.
      int getBeginLine()
      Get token beginning line number.
      int getColumn()
      Deprecated.
      int getEndColumn()
      Get token end column number.
      int getEndLine()
      Get token end line number.
      java.lang.String GetImage()
      Get token literal value.
      int getLine()
      Deprecated.
      char[] GetSuffix​(int len)
      Get the suffix.
      protected int getTabSize​(int i)  
      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.
      protected void setTabSize​(int i)  
      protected void UpdateLineColumn​(char c)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, 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.

      • bufline

        protected int[] bufline

      • bufcolumn

        protected int[] bufcolumn

      • column

        protected int column

      • line

        protected int line

      • prevCharIsCR

        protected boolean prevCharIsCR

      • prevCharIsLF

        protected boolean prevCharIsLF

      • inputStream

        protected java.io.Reader inputStream

      • buffer

        protected char[] buffer

      • maxNextCharInd

        protected int maxNextCharInd

      • inBuf

        protected int inBuf

      • tabSize

        protected int tabSize

    • Constructor Detail

      • SimpleCharStream

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

      • SimpleCharStream

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

      • SimpleCharStream

        public SimpleCharStream​(java.io.Reader dstream)
        Constructor.

      • SimpleCharStream

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

      • SimpleCharStream

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

      • SimpleCharStream

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

      • SimpleCharStream

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

      • SimpleCharStream

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

      • SimpleCharStream

        public SimpleCharStream​(java.io.InputStream dstream)
        Constructor.

    • Method Detail

      • setTabSize

        protected void setTabSize​(int i)

      • getTabSize

        protected int getTabSize​(int i)

      • ExpandBuff

        protected void ExpandBuff​(boolean wrapAround)

      • FillBuff

        protected void FillBuff()
                 throws java.io.IOException
        Throws:
        java.io.IOException

      • BeginToken

        public char BeginToken()
                throws java.io.IOException
        Start.
        Specified by:
        BeginToken in interface CharStream
        Throws:
        java.io.IOException

      • UpdateLineColumn

        protected void UpdateLineColumn​(char c)

      • readChar

        public char readChar()
              throws java.io.IOException
        Read a character.
        Specified by:
        readChar in interface CharStream
        Throws:
        java.io.IOException

      • getColumn

        @Deprecated
public int getColumn()
        Deprecated.
        Specified by:
        getColumn in interface CharStream

      • getLine

        @Deprecated
public int getLine()
        Deprecated.
        Specified by:
        getLine in interface CharStream

      • getEndColumn

        public int getEndColumn()
        Get token end column number.
        Specified by:
        getEndColumn in interface CharStream

      • getEndLine

        public int getEndLine()
        Get token end line number.
        Specified by:
        getEndLine in interface CharStream

      • getBeginColumn

        public int getBeginColumn()
        Get token beginning column number.
        Specified by:
        getBeginColumn in interface CharStream

      • getBeginLine

        public int getBeginLine()
        Get token beginning line number.
        Specified by:
        getBeginLine in interface CharStream

      • backup

        public void backup​(int amount)
        Backup a number of characters.
        Specified by:
        backup in interface CharStream

      • 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)
            throws java.io.UnsupportedEncodingException
        Reinitialise.
        Throws:
        java.io.UnsupportedEncodingException

      • ReInit

        public void ReInit​(java.io.InputStream dstream)
        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.

      • GetImage

        public java.lang.String GetImage()
        Get token literal value.
        Specified by:
        GetImage in interface CharStream

      • GetSuffix

        public char[] GetSuffix​(int len)
        Get the suffix.
        Specified by:
        GetSuffix in interface CharStream

      • Done

        public void Done()
        Reset buffer when finished.
        Specified by:
        Done in interface CharStream

      • adjustBeginLineColumn

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