91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
#include "value.hpp"
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#include "../java_types.hpp"
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namespace mbgl {
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namespace android {
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class ObjectDeleter {
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public:
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ObjectDeleter() = default;
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ObjectDeleter(JNIEnv& e) : env(e) {}
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void operator()(jni::jobject* p) const {
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if (p) {
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jni::DeleteLocalRef(env, p);
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}
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}
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private:
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JNIEnv& env;
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};
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// Instance
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Value::Value(jni::JNIEnv& _env, jni::jobject* _value) : env(_env), value(_value, ObjectDeleter(env)) {}
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Value::~Value() = default;
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bool Value::isNull() const {
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return value == nullptr;
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}
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bool Value::isArray() const {
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return jni::IsInstanceOf(env, value.get(), *java::ObjectArray::jclass);
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}
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bool Value::isObject() const {
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return jni::IsInstanceOf(env, value.get(), *java::Map::jclass);;
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}
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bool Value::isString() const {
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return jni::IsInstanceOf(env, value.get(), *java::String::jclass);
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}
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bool Value::isBool() const {
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return jni::IsInstanceOf(env, value.get(), *java::Boolean::jclass);
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}
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bool Value::isNumber() const {
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return jni::IsInstanceOf(env, value.get(), *java::Number::jclass);
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}
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std::string Value::toString() const {
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jni::jstring* string = reinterpret_cast<jni::jstring*>(value.get());
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return jni::Make<std::string>(env, jni::String(string));
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}
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float Value::toFloat() const {
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return jni::CallMethod<jni::jfloat>(env, value.get(), *java::Number::floatValueMethodId);
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}
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double Value::toDouble() const {
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return jni::CallMethod<jni::jdouble>(env, value.get(), *java::Number::doubleValueMethodId);
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}
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long Value::toLong() const {
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return jni::CallMethod<jni::jlong>(env, value.get(), *java::Number::longValueMethodId);
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}
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bool Value::toBool() const {
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return jni::CallMethod<jni::jboolean>(env, value.get(), *java::Boolean::booleanValueMethodId);
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}
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Value Value::get(const char* key) const {
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jni::jobject* member = jni::CallMethod<jni::jobject*>(env, value.get(), *java::Map::getMethodId, jni::Make<jni::String>(env, std::string(key)).Get());
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return Value(env, member);
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}
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int Value::getLength() const {
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auto array = (jni::jarray<jni::jobject>*) value.get();
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return jni::GetArrayLength(env, *array);
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}
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Value Value::get(const int index) const {
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auto array = (jni::jarray<jni::jobject>*) value.get();
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return Value(env, jni::GetObjectArrayElement(env, *array, index));
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}
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}
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}
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