/*
* 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.support.annotation.NonNull;
import jscl.math.function.IConstant;
import javax.annotation.Nonnull;
import java.util.List;
public class PreparedExpression implements CharSequence {
@Nonnull
public final String value;
@Nonnull
public final List<IConstant> undefinedVariables;
public PreparedExpression(@Nonnull String value, @Nonnull List<IConstant> undefinedVariables) {
this.value = value;
this.undefinedVariables = undefinedVariables;
}
@Nonnull
public String getValue() {
return value;
}
public boolean hasUndefinedVariables() {
return !undefinedVariables.isEmpty();
}
@Nonnull
public List<IConstant> getUndefinedVariables() {
return undefinedVariables;
}
@Override
public int length() {
return value.length();
}
@Override
public char charAt(int i) {
return value.charAt(i);
}
@Override
public CharSequence subSequence(int i, int i1) {
return value.subSequence(i, i1);
}
@NonNull
@Override
public String toString() {
return this.value;
}
}