Package org.apache.drill.exec.planner.sql.parser.impl

Class SimpleCharStream

java.lang.Object
org.apache.drill.exec.planner.sql.parser.impl.SimpleCharStream
public class SimpleCharStream extends Object
An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).

  • Field Details

    • staticFlag

      public static final boolean staticFlag
      Whether parser is static.
      See Also:

    • 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 Reader inputStream

    • buffer

      protected char[] buffer

    • maxNextCharInd

      protected int maxNextCharInd

    • inBuf

      protected int inBuf

    • tabSize

      protected int tabSize

  • Constructor Details

  • Method Details

    • setTabSize

      protected void setTabSize(int i)

    • getTabSize

      protected int getTabSize(int i)

    • ExpandBuff

      protected void ExpandBuff(boolean wrapAround)

    • FillBuff

      protected void FillBuff() throws IOException
      Throws:
      IOException

    • BeginToken

      public char BeginToken() throws IOException
      Start.
      Throws:
      IOException

    • UpdateLineColumn

      protected void UpdateLineColumn(char c)

    • readChar

      public char readChar() throws IOException
      Read a character.
      Throws:
      IOException

    • getColumn

      @Deprecated public int getColumn()
      Deprecated.

    • getLine

      @Deprecated public int getLine()
      Deprecated.

    • getEndColumn

      public int getEndColumn()
      Get token end column number.

    • getEndLine

      public int getEndLine()
      Get token end line number.

    • getBeginColumn

      public int getBeginColumn()
      Get token beginning column number.

    • getBeginLine

      public int getBeginLine()
      Get token beginning line number.

    • backup

      public void backup(int amount)
      Backup a number of characters.

    • ReInit

      public void ReInit(Reader dstream, int startline, int startcolumn, int buffersize)
      Reinitialise.

    • ReInit

      public void ReInit(Reader dstream, int startline, int startcolumn)
      Reinitialise.

    • ReInit

      public void ReInit(Reader dstream)
      Reinitialise.

    • ReInit

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

    • ReInit

      public void ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)
      Reinitialise.

    • ReInit

      public void ReInit(InputStream dstream, String encoding) throws UnsupportedEncodingException
      Reinitialise.
      Throws:
      UnsupportedEncodingException

    • ReInit

      public void ReInit(InputStream dstream)
      Reinitialise.

    • ReInit

      public void ReInit(InputStream dstream, String encoding, int startline, int startcolumn) throws UnsupportedEncodingException
      Reinitialise.
      Throws:
      UnsupportedEncodingException

    • ReInit

      public void ReInit(InputStream dstream, int startline, int startcolumn)
      Reinitialise.

    • GetImage

      public String GetImage()
      Get token literal value.

    • GetSuffix

      public char[] GetSuffix(int len)
      Get the suffix.

    • Done

      public void Done()
      Reset buffer when finished.

    • adjustBeginLineColumn

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