/*
* Copyright 2013 serso aka se.solovyev
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Contact details
*
* Email: se.solovyev@gmail.com
* Site: http://se.solovyev.org
*/
package org.solovyev.android.calculator;
import android.text.SpannableStringBuilder;
import jscl.NumeralBase;
import org.solovyev.android.calculator.math.MathType;
import javax.annotation.Nonnull;
public class LiteNumberBuilder extends BaseNumberBuilder {
public LiteNumberBuilder(@Nonnull Engine engine) {
super(engine);
}
@Override
public int process(@Nonnull SpannableStringBuilder sb, @Nonnull MathType.Result result) {
process(result);
return 0;
}
public void process(@Nonnull MathType.Result result) {
if (canContinue(result)) {
// let's continue building number
if (numberBuilder == null) {
// if new number => create new builder
numberBuilder = new StringBuilder();
}
if (result.type != MathType.numeral_base) {
// just add matching string
numberBuilder.append(result.match);
} else {
// set explicitly numeral base (do not include it into number)
nb = NumeralBase.getByPrefix(result.match);
}
} else {
// process current number (and go to the next one)
if (numberBuilder != null) {
numberBuilder = null;
// must set default numeral base (exit numeral base mode)
nb = engine.getMathEngine().getNumeralBase();
}
}
}
}