Package org.apache.derby.impl.tools.ij

Class UCode_CharStream

  • All Implemented Interfaces:
    org.apache.derby.impl.tools.ij.CharStream
    public final class UCode_CharStream
extends java.lang.Object
implements org.apache.derby.impl.tools.ij.CharStream
    An implementation of interface CharStream, where the stream is assumed to contain only Unicode characters.

    • Field Detail

      • bufpos

        public int bufpos

      • bufsize

        int bufsize

      • available

        int available

      • tokenBegin

        int tokenBegin

      • bufline

        private int[] bufline

      • bufcolumn

        private int[] bufcolumn

      • column

        private int column

      • line

        private int line

      • prevCharIsCR

        private boolean prevCharIsCR

      • prevCharIsLF

        private boolean prevCharIsLF

      • inputStream

        private java.io.Reader inputStream

      • nextCharBuf

        private char[] nextCharBuf

      • buffer

        private char[] buffer

      • maxNextCharInd

        private int maxNextCharInd

      • nextCharInd

        private int nextCharInd

      • inBuf

        private int inBuf

    • Constructor Detail

      • UCode_CharStream

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

      • UCode_CharStream

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

      • UCode_CharStream

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

      • UCode_CharStream

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

    • Method Detail

      • ExpandBuff

        private final void ExpandBuff​(boolean wrapAround)

      • FillBuff

        private final void FillBuff()
                     throws java.io.IOException
        Throws:
        java.io.IOException

      • ReadChar

        private final char ReadChar()
                     throws java.io.IOException
        Throws:
        java.io.IOException

      • BeginToken

        public char BeginToken()
                throws java.io.IOException
        Specified by:
        BeginToken in interface org.apache.derby.impl.tools.ij.CharStream
        Throws:
        java.io.IOException

      • UpdateLineColumn

        private final void UpdateLineColumn​(char c)

      • readChar

        public final char readChar()
                    throws java.io.IOException
        Specified by:
        readChar in interface org.apache.derby.impl.tools.ij.CharStream
        Throws:
        java.io.IOException

      • getColumn

        public final int getColumn()
        Deprecated.
        Specified by:
        getColumn in interface org.apache.derby.impl.tools.ij.CharStream
        See Also:
        getEndColumn()

      • getLine

        public final int getLine()
        Deprecated.
        Specified by:
        getLine in interface org.apache.derby.impl.tools.ij.CharStream
        See Also:
        getEndLine()

      • getEndColumn

        public final int getEndColumn()
        Specified by:
        getEndColumn in interface org.apache.derby.impl.tools.ij.CharStream

      • getEndLine

        public final int getEndLine()
        Specified by:
        getEndLine in interface org.apache.derby.impl.tools.ij.CharStream

      • getBeginColumn

        public final int getBeginColumn()
        Specified by:
        getBeginColumn in interface org.apache.derby.impl.tools.ij.CharStream

      • getBeginLine

        public final int getBeginLine()
        Specified by:
        getBeginLine in interface org.apache.derby.impl.tools.ij.CharStream

      • backup

        public final void backup​(int amount)
        Specified by:
        backup in interface org.apache.derby.impl.tools.ij.CharStream

      • ReInit

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

      • ReInit

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

      • ReInit

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

      • ReInit

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

      • GetImage

        public final java.lang.String GetImage()
        Specified by:
        GetImage in interface org.apache.derby.impl.tools.ij.CharStream

      • GetSuffix

        public final char[] GetSuffix​(int len)
        Specified by:
        GetSuffix in interface org.apache.derby.impl.tools.ij.CharStream

      • Done

        public void Done()
        Specified by:
        Done in interface org.apache.derby.impl.tools.ij.CharStream

      • adjustBeginLineColumn

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