1 files changed, 90 insertions, 0 deletions
diff --git a/src/flowparts/unary.cpp b/src/flowparts/unary.cpp
new file mode 100644
index 0000000..fe0b549
--- /dev/null
+++ b/src/flowparts/unary.cpp
@@ -0,0 +1,90 @@
+/***************************************************************************
+ *   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
+}
+
+