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/***************************************************************************
* Copyright (C) 2003-2004 by David Saxton *
* david@bluehaze.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "unary.h"
#include "libraryitem.h"
#include "flowcode.h"
#include <klocale.h>
Item* Unary::construct( ItemDocument *itemDocument, bool newItem, const char *id )
{
return new Unary( (ICNDocument*)itemDocument, newItem, id );
}
LibraryItem* Unary::libraryItem()
{
return new LibraryItem(
QString("flow/unary"),
i18n("Unary"),
i18n("Variables"),
"unary.png",
LibraryItem::lit_flowpart,
Unary::construct );
}
Unary::Unary( ICNDocument *icnDocument, bool newItem, const char *id )
: FlowPart( icnDocument, newItem, (id) ? id : "unary" )
{
m_name = i18n("Unary");
m_desc = i18n("A unary operation involves only one variable. Suppo operations are:<br><ul><li><b>Rotate Left</b> rotates the binary bits of the variable left (discarding the end bits).</li><li><b>Rotate Right</b> rotates the binary bits right (discarding the start bits).</li><li><b>Increment</b> increases the value of the variable by 1. A value of 255 wraps around to 0.</li><li><b>Decrement</b> decreases the value of a variable by 1. A value of 0 wraps around to 255.</li></ul>");
initProcessSymbol();
createStdInput();
createStdOutput();
createProperty( "0-var", Variant::Type::VarName );
property("0-var")->setValue("x");
property("0-var")->setCaption( i18n("Variable") );
createProperty( "1-op", Variant::Type::Select );
property("1-op")->setCaption( i18n("Operation") );
property("1-op")->setAllowed( QStringList::split( ',', "Rotate Left,Rotate Right,Increment,Decrement" ) );
property("1-op")->setValue("Rotate Left");
}
Unary::~Unary()
{
}
void Unary::dataChanged()
{
setCaption( dataString("0-var") + " " + dataString("1-op") );
}
void Unary::generateMicrobe( FlowCode *code )
{
const QString var = dataString("0-var");
const QString op = dataString("1-op");
if ( op == "Rotate Left" ) code->addCode( "rotateleft "+var );
else if ( op == "Rotate Right" ) code->addCode( "rotateright "+var );
else if ( op == "Increment" ) code->addCode( "increment "+var );
else if ( op == "Decrement" ) code->addCode( "decrement "+var );
else; // Hmm...
code->addCodeBranch( outputPart("stdoutput") );
#if 0
QString rot = dataString("1-rot");
if ( FlowCode::isLiteral(var) ) return;
QString newCode;
code->addVariable(var);
if ( rot == "Left" ) newCode += "rlf " + var + ",1 ; Unary " + var + " left through Carry, place result back in " + var + "\n";
else newCode += "rrf " + var + ",1 ; Unary " + var + " right through Carry, place result back in " + var + "\n";
newCode += gotoCode("stdoutput");
code->addCodeBlock( id(), newCode );
#endif
}
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