org.maverickdbms.basic
Class InputChannel

java.lang.Object
  org.maverickdbms.basic.InputChannel

public class InputChannel

extends java.lang.Object

Class provides input routines needed by the compiler

Method Summary

void	CLEARDATA()
void	DATA(ConstantString mvs)
mvString	getEscapeSequence(mvString result, ConstantString num)
boolean	getLocalEcho()
java.io.Reader	getReader()
mvString	IN(mvString result, boolean ordinal, mvString status) Returns a single character from the input buffer
ConstantString	INPUT(mvString result, ConstantString length, boolean processLine, boolean newline, mvString status)
mvString	positionScreenAt(mvString result, ConstantString col, ConstantString row)
void	setLocalEcho(boolean localEcho)

Methods inherited from class java.lang.Object

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

Method Detail

positionScreenAt

public mvString positionScreenAt(mvString result,
                                 ConstantString col,
                                 ConstantString row)
                          throws mvException

Throws:

mvException

getEscapeSequence

public mvString getEscapeSequence(mvString result,
                                  ConstantString num)
                           throws mvException

Throws:

mvException

CLEARDATA

public void CLEARDATA()
               throws mvException

Throws:

mvException

DATA

public void DATA(ConstantString mvs)
          throws mvException

Throws:

mvException

getReader

public java.io.Reader getReader()

IN

public mvString IN(mvString result,
                   boolean ordinal,
                   mvString status)
            throws mvException

Returns a single character from the input buffer

Parameters:

result - the character

ordinal - whether to return ordinal value rather than char itself

Throws:

mvException

INPUT

public ConstantString INPUT(mvString result,
                            ConstantString length,
                            boolean processLine,
                            boolean newline,
                            mvString status)
                     throws mvException

Parameters:

result - input read from user

length - max length to input, 0 for unlimited, < for checking typeahead buffer.

processLine - whether to process until end of line

newline - output newline

Returns:

input read from user

Throws:

mvException

getLocalEcho

public boolean getLocalEcho()
                     throws mvException

Throws:

mvException

setLocalEcho

public void setLocalEcho(boolean localEcho)