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common: fs: Expand android macros

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t895 2024-02-05 06:10:45 -05:00
parent e7c4c8b993
commit c8e8c614a0
2 changed files with 90 additions and 133 deletions
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165
src/common/fs/fs_android.cpp
View file

@ -1,63 +1,38 @@
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later // SPDX-License-Identifier: GPL-2.0-or-later
#include "common/android/android_common.h"
#include "common/android/id_cache.h"
#include "common/assert.h"
#include "common/fs/fs_android.h" #include "common/fs/fs_android.h"
#include "common/string_util.h" #include "common/string_util.h"
namespace Common::FS::Android { namespace Common::FS::Android {
JNIEnv* GetEnvForThread() {
thread_local static struct OwnedEnv {
OwnedEnv() {
status = g_jvm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6);
if (status == JNI_EDETACHED)
g_jvm->AttachCurrentThread(&env, nullptr);
}
~OwnedEnv() {
if (status == JNI_EDETACHED)
g_jvm->DetachCurrentThread();
}
int status;
JNIEnv* env = nullptr;
} owned;
return owned.env;
}
void RegisterCallbacks(JNIEnv* env, jclass clazz) { void RegisterCallbacks(JNIEnv* env, jclass clazz) {
env->GetJavaVM(&g_jvm); env->GetJavaVM(&g_jvm);
native_library = clazz; native_library = clazz;
#define FH(FunctionName, JMethodID, Caller, JMethodName, Signature) \ s_get_parent_directory = env->GetStaticMethodID(native_library, "getParentDirectory",
F(JMethodID, JMethodName, Signature) "(Ljava/lang/String;)Ljava/lang/String;");
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) \ s_get_filename = env->GetStaticMethodID(native_library, "getFilename",
F(JMethodID, JMethodName, Signature) "(Ljava/lang/String;)Ljava/lang/String;");
#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) \ s_get_size = env->GetStaticMethodID(native_library, "getSize", "(Ljava/lang/String;)J");
F(JMethodID, JMethodName, Signature) s_is_directory = env->GetStaticMethodID(native_library, "isDirectory", "(Ljava/lang/String;)Z");
#define F(JMethodID, JMethodName, Signature) \ s_file_exists = env->GetStaticMethodID(native_library, "exists", "(Ljava/lang/String;)Z");
JMethodID = env->GetStaticMethodID(native_library, JMethodName, Signature); s_open_content_uri = env->GetStaticMethodID(native_library, "openContentUri",
ANDROID_SINGLE_PATH_HELPER_FUNCTIONS(FH) "(Ljava/lang/String;Ljava/lang/String;)I");
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
ANDROID_STORAGE_FUNCTIONS(FS)
#undef F
#undef FS
#undef FR
#undef FH
} }
void UnRegisterCallbacks() { void UnRegisterCallbacks() {
#define FH(FunctionName, JMethodID, Caller, JMethodName, Signature) F(JMethodID) s_get_parent_directory = nullptr;
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) F(JMethodID) s_get_filename = nullptr;
#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) F(JMethodID)
#define F(JMethodID) JMethodID = nullptr; s_get_size = nullptr;
ANDROID_SINGLE_PATH_HELPER_FUNCTIONS(FH) s_is_directory = nullptr;
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR) s_file_exists = nullptr;
ANDROID_STORAGE_FUNCTIONS(FS)
#undef F s_open_content_uri = nullptr;
#undef FS
#undef FR
#undef FH
} }
bool IsContentUri(const std::string& path) { bool IsContentUri(const std::string& path) {
@ -69,8 +44,8 @@ bool IsContentUri(const std::string& path) {
return path.find(prefix) == 0; return path.find(prefix) == 0;
} }
int OpenContentUri(const std::string& filepath, OpenMode openmode) { s32 OpenContentUri(const std::string& filepath, OpenMode openmode) {
if (open_content_uri == nullptr) if (s_open_content_uri == nullptr)
return -1; return -1;
const char* mode = ""; const char* mode = "";
@ -82,50 +57,66 @@ int OpenContentUri(const std::string& filepath, OpenMode openmode) {
UNIMPLEMENTED(); UNIMPLEMENTED();
return -1; return -1;
} }
auto env = GetEnvForThread(); auto env = Common::Android::GetEnvForThread();
jstring j_filepath = env->NewStringUTF(filepath.c_str()); jstring j_filepath = Common::Android::ToJString(env, filepath);
jstring j_mode = env->NewStringUTF(mode); jstring j_mode = Common::Android::ToJString(env, mode);
return env->CallStaticIntMethod(native_library, open_content_uri, j_filepath, j_mode); return env->CallStaticIntMethod(native_library, s_open_content_uri, j_filepath, j_mode);
} }
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) \ u64 GetSize(const std::string& filepath) {
F(FunctionName, ReturnValue, JMethodID, Caller) if (s_get_size == nullptr) {
#define F(FunctionName, ReturnValue, JMethodID, Caller) \ return 0;
ReturnValue FunctionName(const std::string& filepath) { \
if (JMethodID == nullptr) { \
return 0; \
} \
auto env = GetEnvForThread(); \
jstring j_filepath = env->NewStringUTF(filepath.c_str()); \
return env->Caller(native_library, JMethodID, j_filepath); \
} }
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR) auto env = Common::Android::GetEnvForThread();
#undef F return static_cast<u64>(env->CallStaticLongMethod(
#undef FR native_library, s_get_size,
Common::Android::ToJString(Common::Android::GetEnvForThread(), filepath)));
}
#define FH(FunctionName, JMethodID, Caller, JMethodName, Signature) \ bool IsDirectory(const std::string& filepath) {
F(FunctionName, JMethodID, Caller) if (s_is_directory == nullptr) {
#define F(FunctionName, JMethodID, Caller) \ return 0;
std::string FunctionName(const std::string& filepath) { \
if (JMethodID == nullptr) { \
return 0; \
} \
auto env = GetEnvForThread(); \
jstring j_filepath = env->NewStringUTF(filepath.c_str()); \
jstring j_return = \
static_cast<jstring>(env->Caller(native_library, JMethodID, j_filepath)); \
if (!j_return) { \
return {}; \
} \
const jchar* jchars = env->GetStringChars(j_return, nullptr); \
const jsize length = env->GetStringLength(j_return); \
const std::u16string_view string_view(reinterpret_cast<const char16_t*>(jchars), length); \
const std::string converted_string = Common::UTF16ToUTF8(string_view); \
env->ReleaseStringChars(j_return, jchars); \
return converted_string; \
} }
ANDROID_SINGLE_PATH_HELPER_FUNCTIONS(FH) auto env = Common::Android::GetEnvForThread();
#undef F return env->CallStaticBooleanMethod(
#undef FH native_library, s_is_directory,
Common::Android::ToJString(Common::Android::GetEnvForThread(), filepath));
}
bool Exists(const std::string& filepath) {
if (s_file_exists == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
return env->CallStaticBooleanMethod(
native_library, s_file_exists,
Common::Android::ToJString(Common::Android::GetEnvForThread(), filepath));
}
std::string GetParentDirectory(const std::string& filepath) {
if (s_get_parent_directory == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
jstring j_return = static_cast<jstring>(env->CallStaticObjectMethod(
native_library, s_get_parent_directory, Common::Android::ToJString(env, filepath)));
if (!j_return) {
return {};
}
return Common::Android::GetJString(env, j_return);
}
std::string GetFilename(const std::string& filepath) {
if (s_get_filename == nullptr) {
return 0;
}
auto env = Common::Android::GetEnvForThread();
jstring j_return = static_cast<jstring>(env->CallStaticObjectMethod(
native_library, s_get_filename, Common::Android::ToJString(env, filepath)));
if (!j_return) {
return {};
}
return Common::Android::GetJString(env, j_return);
}
} // namespace Common::FS::Android } // namespace Common::FS::Android

58
src/common/fs/fs_android.h
View file

@ -7,38 +7,17 @@
#include <vector> #include <vector>
#include <jni.h> #include <jni.h>
#define ANDROID_STORAGE_FUNCTIONS(V) \
V(OpenContentUri, int, (const std::string& filepath, OpenMode openmode), open_content_uri, \
"openContentUri", "(Ljava/lang/String;Ljava/lang/String;)I")
#define ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(V) \
V(GetSize, std::uint64_t, get_size, CallStaticLongMethod, "getSize", "(Ljava/lang/String;)J") \
V(IsDirectory, bool, is_directory, CallStaticBooleanMethod, "isDirectory", \
"(Ljava/lang/String;)Z") \
V(Exists, bool, file_exists, CallStaticBooleanMethod, "exists", "(Ljava/lang/String;)Z")
#define ANDROID_SINGLE_PATH_HELPER_FUNCTIONS(V) \
V(GetParentDirectory, get_parent_directory, CallStaticObjectMethod, "getParentDirectory", \
"(Ljava/lang/String;)Ljava/lang/String;") \
V(GetFilename, get_filename, CallStaticObjectMethod, "getFilename", \
"(Ljava/lang/String;)Ljava/lang/String;")
namespace Common::FS::Android { namespace Common::FS::Android {
static JavaVM* g_jvm = nullptr; static JavaVM* g_jvm = nullptr;
static jclass native_library = nullptr; static jclass native_library = nullptr;
#define FH(FunctionName, JMethodID, Caller, JMethodName, Signature) F(JMethodID) static jmethodID s_get_parent_directory;
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) F(JMethodID) static jmethodID s_get_filename;
#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) F(JMethodID) static jmethodID s_get_size;
#define F(JMethodID) static jmethodID JMethodID = nullptr; static jmethodID s_is_directory;
ANDROID_SINGLE_PATH_HELPER_FUNCTIONS(FH) static jmethodID s_file_exists;
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR) static jmethodID s_open_content_uri;
ANDROID_STORAGE_FUNCTIONS(FS)
#undef F
#undef FS
#undef FR
#undef FH
enum class OpenMode { enum class OpenMode {
Read, Read,
@ -57,24 +36,11 @@ void UnRegisterCallbacks();
bool IsContentUri(const std::string& path); bool IsContentUri(const std::string& path);
#define FS(FunctionName, ReturnValue, Parameters, JMethodID, JMethodName, Signature) \ int OpenContentUri(const std::string& filepath, OpenMode openmode);
F(FunctionName, Parameters, ReturnValue) std::uint64_t GetSize(const std::string& filepath);
#define F(FunctionName, Parameters, ReturnValue) ReturnValue FunctionName Parameters; bool IsDirectory(const std::string& filepath);
ANDROID_STORAGE_FUNCTIONS(FS) bool Exists(const std::string& filepath);
#undef F std::string GetParentDirectory(const std::string& filepath);
#undef FS std::string GetFilename(const std::string& filepath);
#define FR(FunctionName, ReturnValue, JMethodID, Caller, JMethodName, Signature) \
F(FunctionName, ReturnValue)
#define F(FunctionName, ReturnValue) ReturnValue FunctionName(const std::string& filepath);
ANDROID_SINGLE_PATH_DETERMINE_FUNCTIONS(FR)
#undef F
#undef FR
#define FH(FunctionName, JMethodID, Caller, JMethodName, Signature) F(FunctionName)
#define F(FunctionName) std::string FunctionName(const std::string& filepath);
ANDROID_SINGLE_PATH_HELPER_FUNCTIONS(FH)
#undef F
#undef FH
} // namespace Common::FS::Android } // namespace Common::FS::Android