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Xenia-Canary/src/xenia/base/cvar_android.cc

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2022 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <jni.h>
#include "xenia/base/assert.h"
#include "xenia/base/cvar.h"
#include "xenia/base/filesystem.h"
#include "xenia/base/main_android.h"
namespace cvar {
void ParseLaunchArgumentsFromAndroidBundle(jobject bundle) {
if (!ConfigVars) {
return;
}
JNIEnv* jni_env = xe::GetAndroidThreadJniEnv();
if (!jni_env) {
return;
}
jclass bundle_class = jni_env->GetObjectClass(bundle);
if (!bundle_class) {
return;
}
bool bundle_methods_obtained = true;
jmethodID bundle_get_boolean =
jni_env->GetMethodID(bundle_class, "getBoolean", "(Ljava/lang/String;)Z");
bundle_methods_obtained &= (bundle_get_boolean != nullptr);
jmethodID bundle_get_double =
jni_env->GetMethodID(bundle_class, "getDouble", "(Ljava/lang/String;)D");
bundle_methods_obtained &= (bundle_get_double != nullptr);
jmethodID bundle_get_int =
jni_env->GetMethodID(bundle_class, "getInt", "(Ljava/lang/String;)I");
bundle_methods_obtained &= (bundle_get_int != nullptr);
jmethodID bundle_get_long =
jni_env->GetMethodID(bundle_class, "getLong", "(Ljava/lang/String;)J");
bundle_methods_obtained &= (bundle_get_long != nullptr);
jmethodID bundle_get_string = jni_env->GetMethodID(
bundle_class, "getString", "(Ljava/lang/String;)Ljava/lang/String;");
bundle_methods_obtained &= (bundle_get_string != nullptr);
jmethodID bundle_key_set_method_id =
jni_env->GetMethodID(bundle_class, "keySet", "()Ljava/util/Set;");
bundle_methods_obtained &= (bundle_key_set_method_id != nullptr);
if (!bundle_methods_obtained) {
jni_env->DeleteLocalRef(bundle_class);
return;
}
jobject key_set = jni_env->CallObjectMethod(bundle, bundle_key_set_method_id);
if (!key_set) {
jni_env->DeleteLocalRef(bundle_class);
return;
}
jclass set_class = jni_env->GetObjectClass(key_set);
if (!set_class) {
jni_env->DeleteLocalRef(key_set);
jni_env->DeleteLocalRef(bundle_class);
return;
}
bool set_methods_obtained = true;
jmethodID set_iterator_method_id =
jni_env->GetMethodID(set_class, "iterator", "()Ljava/util/Iterator;");
set_methods_obtained &= (set_iterator_method_id != nullptr);
if (!set_methods_obtained) {
jni_env->DeleteLocalRef(set_class);
jni_env->DeleteLocalRef(key_set);
jni_env->DeleteLocalRef(bundle_class);
return;
}
jobject key_set_iterator =
jni_env->CallObjectMethod(key_set, set_iterator_method_id);
if (!key_set_iterator) {
jni_env->DeleteLocalRef(set_class);
jni_env->DeleteLocalRef(key_set);
jni_env->DeleteLocalRef(bundle_class);
return;
}
jclass iterator_class = jni_env->GetObjectClass(key_set_iterator);
if (!iterator_class) {
jni_env->DeleteLocalRef(key_set_iterator);
jni_env->DeleteLocalRef(set_class);
jni_env->DeleteLocalRef(key_set);
jni_env->DeleteLocalRef(bundle_class);
return;
}
bool iterator_methods_obtained = true;
jmethodID iterator_has_next =
jni_env->GetMethodID(iterator_class, "hasNext", "()Z");
iterator_methods_obtained &= (iterator_has_next != nullptr);
jmethodID iterator_next =
jni_env->GetMethodID(iterator_class, "next", "()Ljava/lang/Object;");
iterator_methods_obtained &= (iterator_next != nullptr);
if (!iterator_methods_obtained) {
jni_env->DeleteLocalRef(iterator_class);
jni_env->DeleteLocalRef(key_set_iterator);
jni_env->DeleteLocalRef(set_class);
jni_env->DeleteLocalRef(key_set);
jni_env->DeleteLocalRef(bundle_class);
return;
}
while (jni_env->CallBooleanMethod(key_set_iterator, iterator_has_next)) {
jstring key = reinterpret_cast<jstring>(
jni_env->CallObjectMethod(key_set_iterator, iterator_next));
if (!key) {
continue;
}
const char* key_utf = jni_env->GetStringUTFChars(key, nullptr);
if (!key_utf) {
jni_env->DeleteLocalRef(key);
continue;
}
auto cvar_it = ConfigVars->find(key_utf);
jni_env->ReleaseStringUTFChars(key, key_utf);
// key_utf can't be used from now on.
if (cvar_it == ConfigVars->end()) {
jni_env->DeleteLocalRef(key);
continue;
}
IConfigVar* cvar = cvar_it->second;
auto cvar_bool = dynamic_cast<CommandVar<bool>*>(cvar);
if (cvar_bool) {
cvar_bool->SetCommandLineValue(
bool(jni_env->CallBooleanMethod(bundle, bundle_get_boolean, key)));
jni_env->DeleteLocalRef(key);
continue;
}
auto cvar_int32 = dynamic_cast<CommandVar<int32_t>*>(cvar);
if (cvar_int32) {
cvar_int32->SetCommandLineValue(
jni_env->CallIntMethod(bundle, bundle_get_int, key));
jni_env->DeleteLocalRef(key);
continue;
}
auto cvar_uint32 = dynamic_cast<CommandVar<uint32_t>*>(cvar);
if (cvar_uint32) {
cvar_uint32->SetCommandLineValue(
uint32_t(jni_env->CallIntMethod(bundle, bundle_get_int, key)));
jni_env->DeleteLocalRef(key);
continue;
}
auto cvar_uint64 = dynamic_cast<CommandVar<uint64_t>*>(cvar);
if (cvar_uint64) {
cvar_uint64->SetCommandLineValue(
uint64_t(jni_env->CallLongMethod(bundle, bundle_get_long, key)));
jni_env->DeleteLocalRef(key);
continue;
}
auto cvar_double = dynamic_cast<CommandVar<double>*>(cvar);
if (cvar_double) {
cvar_double->SetCommandLineValue(
jni_env->CallDoubleMethod(bundle, bundle_get_double, key));
jni_env->DeleteLocalRef(key);
continue;
}
auto cvar_string = dynamic_cast<CommandVar<std::string>*>(cvar);
if (cvar_string) {
jstring cvar_string_value = reinterpret_cast<jstring>(
jni_env->CallObjectMethod(bundle, bundle_get_string, key));
if (cvar_string_value) {
const char* cvar_string_value_utf =
jni_env->GetStringUTFChars(cvar_string_value, nullptr);
if (cvar_string_value_utf) {
cvar_string->SetCommandLineValue(cvar_string_value_utf);
jni_env->ReleaseStringUTFChars(cvar_string_value,
cvar_string_value_utf);
}
jni_env->DeleteLocalRef(cvar_string_value);
}
jni_env->DeleteLocalRef(key);
continue;
}
auto cvar_path = dynamic_cast<CommandVar<std::filesystem::path>*>(cvar);
if (cvar_path) {
jstring cvar_string_value = reinterpret_cast<jstring>(
jni_env->CallObjectMethod(bundle, bundle_get_string, key));
if (cvar_string_value) {
const char* cvar_string_value_utf =
jni_env->GetStringUTFChars(cvar_string_value, nullptr);
if (cvar_string_value_utf) {
cvar_path->SetCommandLineValue(xe::to_path(cvar_string_value_utf));
jni_env->ReleaseStringUTFChars(cvar_string_value,
cvar_string_value_utf);
}
jni_env->DeleteLocalRef(cvar_string_value);
}
jni_env->DeleteLocalRef(key);
continue;
}
assert_always("Unsupported type of cvar {}", cvar->name().c_str());
jni_env->DeleteLocalRef(key);
}
jni_env->DeleteLocalRef(iterator_class);
jni_env->DeleteLocalRef(key_set_iterator);
jni_env->DeleteLocalRef(set_class);
jni_env->DeleteLocalRef(key_set);
jni_env->DeleteLocalRef(bundle_class);
}
} // namespace cvar