Package org.apache.openjpa.kernel.jpql

Class JavaCharStream

java.lang.Object
org.apache.openjpa.kernel.jpql.JavaCharStream
public class JavaCharStream extends Object
An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (with java-like unicode escape 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

    • nextCharBuf

      protected char[] nextCharBuf

    • buffer

      protected char[] buffer

    • maxNextCharInd

      protected int maxNextCharInd

    • nextCharInd

      protected int nextCharInd

    • 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

    • ReadByte

      protected char ReadByte() throws IOException
      Throws:
      IOException

    • BeginToken

      public char BeginToken() throws IOException
      Returns:
      starting character for token.
      Throws:
      IOException

    • AdjustBuffSize

      protected void AdjustBuffSize()

    • 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 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(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, int startline, int startcolumn) throws UnsupportedEncodingException
      Reinitialise.
      Throws:
      UnsupportedEncodingException

    • ReInit

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

    • ReInit

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

    • ReInit

      public void ReInit(InputStream dstream)
      Reinitialise.

    • GetImage

      public 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.