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// Copyright 2018 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "jni/AndroidCommon/AndroidCommon.h"
#include <ios>
#include <string>
#include <string_view>
#include <vector>
#include <jni.h>
#include "Common/Assert.h"
#include "Common/StringUtil.h"
#include "jni/AndroidCommon/IDCache.h"
std::string GetJString(JNIEnv* env, jstring jstr)
{
const jchar* jchars = env->GetStringChars(jstr, nullptr);
const jsize length = env->GetStringLength(jstr);
const std::u16string_view string_view(reinterpret_cast<const char16_t*>(jchars), length);
const std::string converted_string = UTF16ToUTF8(string_view);
env->ReleaseStringChars(jstr, jchars);
return converted_string;
}
jstring ToJString(JNIEnv* env, const std::string& str)
{
const std::u16string converted_string = UTF8ToUTF16(str);
return env->NewString(reinterpret_cast<const jchar*>(converted_string.data()),
converted_string.size());
}
std::vector<std::string> JStringArrayToVector(JNIEnv* env, jobjectArray array)
{
const jsize size = env->GetArrayLength(array);
std::vector<std::string> result;
result.reserve(size);
for (jsize i = 0; i < size; ++i)
{
jstring str = reinterpret_cast<jstring>(env->GetObjectArrayElement(array, i));
result.push_back(GetJString(env, str));
env->DeleteLocalRef(str);
}
return result;
}
jobjectArray VectorToJStringArray(JNIEnv* env, std::vector<std::string> vector)
{
jobjectArray result = env->NewObjectArray(vector.size(), IDCache::GetStringClass(), nullptr);
for (jsize i = 0; i < vector.size(); ++i)
{
jstring str = ToJString(env, vector[i]);
env->SetObjectArrayElement(result, i, str);
env->DeleteLocalRef(str);
}
return result;
}
bool IsPathAndroidContent(const std::string& uri)
{
return StringBeginsWith(uri, "content://");
}
std::string OpenModeToAndroid(std::string mode)
{
// The 'b' specifier is not supported by Android. Since we're on POSIX, it's fine to just skip it.
if (!mode.empty() && mode.back() == 'b')
mode.pop_back();
if (mode == "r+")
mode = "rw";
else if (mode == "w+")
mode = "rwt";
else if (mode == "a+")
mode = "rwa";
else if (mode == "a")
mode = "wa";
return mode;
}
std::string OpenModeToAndroid(std::ios_base::openmode mode)
{
std::string result;
if (mode & std::ios_base::in)
result += 'r';
if (mode & (std::ios_base::out | std::ios_base::app))
result += 'w';
if (mode & std::ios_base::app)
result += 'a';
constexpr std::ios_base::openmode t = std::ios_base::in | std::ios_base::trunc;
if ((mode & t) == t)
result += 't';
// The 'b' specifier is not supported by Android. Since we're on POSIX, it's fine to just skip it.
return result;
}
int OpenAndroidContent(const std::string& uri, const std::string& mode)
{
JNIEnv* env = IDCache::GetEnvForThread();
return env->CallStaticIntMethod(IDCache::GetContentHandlerClass(),
IDCache::GetContentHandlerOpenFd(), ToJString(env, uri),
ToJString(env, mode));
}
bool DeleteAndroidContent(const std::string& uri)
{
JNIEnv* env = IDCache::GetEnvForThread();
return env->CallStaticBooleanMethod(IDCache::GetContentHandlerClass(),
IDCache::GetContentHandlerDelete(), ToJString(env, uri));
}
jlong GetAndroidContentSizeAndIsDirectory(const std::string& uri)
{
JNIEnv* env = IDCache::GetEnvForThread();
return env->CallStaticLongMethod(IDCache::GetContentHandlerClass(),
IDCache::GetContentHandlerGetSizeAndIsDirectory(),
ToJString(env, uri));
}
std::string GetAndroidContentDisplayName(const std::string& uri)
{
JNIEnv* env = IDCache::GetEnvForThread();
jstring jresult = reinterpret_cast<jstring>(
env->CallStaticObjectMethod(IDCache::GetContentHandlerClass(),
IDCache::GetContentHandlerGetDisplayName(), ToJString(env, uri)));
if (!jresult)
return "";
std::string result = GetJString(env, jresult);
env->DeleteLocalRef(jresult);
return result;
}
std::vector<std::string> GetAndroidContentChildNames(const std::string& uri)
{
JNIEnv* env = IDCache::GetEnvForThread();
jobjectArray jresult = reinterpret_cast<jobjectArray>(env->CallStaticObjectMethod(
IDCache::GetContentHandlerClass(), IDCache::GetContentHandlerGetChildNames(),
ToJString(env, uri), false));
std::vector<std::string> result = JStringArrayToVector(env, jresult);
env->DeleteLocalRef(jresult);
return result;
}
std::vector<std::string> DoFileSearchAndroidContent(const std::string& directory,
const std::vector<std::string>& extensions,
bool recursive)
{
JNIEnv* env = IDCache::GetEnvForThread();
jobjectArray jresult = reinterpret_cast<jobjectArray>(env->CallStaticObjectMethod(
IDCache::GetContentHandlerClass(), IDCache::GetContentHandlerDoFileSearch(),
ToJString(env, directory), VectorToJStringArray(env, extensions), recursive));
std::vector<std::string> result = JStringArrayToVector(env, jresult);
env->DeleteLocalRef(jresult);
return result;
}
int GetNetworkIpAddress()
{
JNIEnv* env = IDCache::GetEnvForThread();
return env->CallStaticIntMethod(IDCache::GetNetworkHelperClass(),
IDCache::GetNetworkHelperGetNetworkIpAddress());
}
int GetNetworkPrefixLength()
{
JNIEnv* env = IDCache::GetEnvForThread();
return env->CallStaticIntMethod(IDCache::GetNetworkHelperClass(),
IDCache::GetNetworkHelperGetNetworkPrefixLength());
}
int GetNetworkGateway()
{
JNIEnv* env = IDCache::GetEnvForThread();
return env->CallStaticIntMethod(IDCache::GetNetworkHelperClass(),
IDCache::GetNetworkHelperGetNetworkGateway());
}
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