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package org.glavo.javah;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import static org.glavo.javah.Utils.*;
public final class Constant {
private static final List<Class<?>> TYPES = Arrays.asList(
Byte.class, Short.class, Integer.class, Long.class, Character.class, Float.class, Double.class
);
private final String name;
private final Object value;
private final String mangledName;
public static Constant of(String name, Object value) {
Objects.requireNonNull(name);
Objects.requireNonNull(value);
if (!TYPES.contains(value.getClass())) {
throw new IllegalArgumentException();
}
if (!SIMPLE_NAME_PATTERN.matcher(name).matches()) {
throw new IllegalArgumentException(String.format("\"%s\" is not a qualified constant name", name));
}
return new Constant(name, value);
}
private Constant(String name, Object value) {
this.name = name;
this.value = value;
this.mangledName = mangleName(name);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Constant)) return false;
Constant constant = (Constant) o;
return name.equals(constant.name) && value.equals(constant.value);
}
@Override
public int hashCode() {
return Objects.hash(name, value);
}
@Override
public String toString() {
return String.format("Constant[name=%s, value=%s]", name, value);
}
public String name() {
return name;
}
public Object value() {
return value;
}
public String mangledName() {
return mangledName;
}
public String valueToString() {
if (value instanceof Double) {
return value.toString();
}
if (value instanceof Float) {
return value + "f";
}
if (value instanceof Long) {
return value + "i64";
}
if (value instanceof Character) {
return ((int) (char) value) + "L";
}
return value + "L";
}
}
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