Keys.java
/*
* Copyright (C) 2022 The Android Open Source Project
*
* 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 androidx.constraintlayout.core.dsl;
import java.util.Arrays;
/**
* This is the base Key for all the key (KeyCycle, KeyPosition, etc.) Objects
*/
public class Keys {
protected String unpack(String[] str) {
StringBuilder ret = new StringBuilder("[");
for (int i = 0; i < str.length; i++) {
ret.append((i == 0) ? "'" : ",'");
ret.append(str[i]);
ret.append("'");
}
ret.append("]");
return ret.toString();
}
protected void append(StringBuilder builder, String name, int value) {
if (value != Integer.MIN_VALUE) {
builder.append(name);
builder.append(":'").append(value).append("',\n");
}
}
protected void append(StringBuilder builder, String name, String value) {
if (value != null) {
builder.append(name);
builder.append(":'").append(value).append("',\n");
}
}
protected void append(StringBuilder builder, String name, float value) {
if (Float.isNaN(value)) {
return;
}
builder.append(name);
builder.append(":").append(value).append(",\n");
}
protected void append(StringBuilder builder, String name, String[] array) {
if (array != null) {
builder.append(name);
builder.append(":").append(unpack(array)).append(",\n");
}
}
protected void append(StringBuilder builder, String name, float[] array) {
if (array != null) {
builder.append(name);
builder.append("percentWidth:").append(Arrays.toString(array)).append(",\n");
}
}
}