com.reandroid.dex.smali.model.SmaliFieldSet Maven / Gradle / Ivy

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/*
 *  Copyright (C) 2022 github.com/REAndroid
 *
 *  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.
 */
package com.reandroid.dex.smali.model;

import com.reandroid.dex.smali.SmaliDirective;
import com.reandroid.dex.smali.SmaliReader;
import com.reandroid.dex.smali.SmaliWriter;
import com.reandroid.utils.collection.FilterIterator;

import java.io.IOException;
import java.util.Iterator;

public class SmaliFieldSet extends SmaliDefSet{

    public SmaliFieldSet(){
        super();
    }

    public Iterator getStaticFields() {
        return FilterIterator.of(iterator(), SmaliField::isStatic);
    }
    public Iterator getInstanceFields() {
        return FilterIterator.of(iterator(), SmaliField::isInstance);
    }

    @Override
    public void append(SmaliWriter writer) throws IOException {
        boolean appendOnce = false;
        Iterator iterator = getStaticFields();
        while (iterator.hasNext()){
            writer.newLineDouble();
            if(!appendOnce){
                writer.appendComment("static fields");
                writer.newLine();
            }
            iterator.next().append(writer);
            appendOnce = true;
        }
        appendOnce = false;
        iterator = getInstanceFields();
        while (iterator.hasNext()){
            writer.newLineDouble();
            if(!appendOnce){
                writer.appendComment("instance fields");
                writer.newLine();
            }
            iterator.next().append(writer);
            appendOnce = true;
        }
    }

    @Override
    SmaliField createNew() {
        return new SmaliField();
    }
    @Override
    public SmaliDirective getSmaliDirective() {
        return SmaliDirective.FIELD;
    }

    public static SmaliFieldSet read(SmaliReader reader) throws IOException {
        SmaliFieldSet smali = new SmaliFieldSet();
        smali.parse(reader);
        if(!smali.isEmpty()) {
            return smali;
        }
        return null;
    }
}