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FileSystem: Implement StatFile/FileExists/DirectoryExists for scoped storage

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This commit is contained in:
Connor McLaughlin 2021-08-18 00:18:03 +10:00
parent 1d790c9eb7
commit e45f15ef41
1 changed files with 76 additions and 2 deletions
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78
src/common/file_system.cpp
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@ -59,12 +59,17 @@ static jobject s_android_FileHelper_object;
static jclass s_android_FileHelper_class;
static jmethodID s_android_FileHelper_openURIAsFileDescriptor;
static jmethodID s_android_FileHelper_FindFiles;
static jmethodID s_android_FileHelper_StatFile;
static jclass s_android_FileHelper_FindResult_class;
static jfieldID s_android_FileHelper_FindResult_name;
static jfieldID s_android_FileHelper_FindResult_relativeName;
static jfieldID s_android_FileHelper_FindResult_size;
static jfieldID s_android_FileHelper_FindResult_modifiedTime;
static jfieldID s_android_FileHelper_FindResult_flags;
static jclass s_android_FileHelper_StatResult_class;
static jfieldID s_android_FileHelper_StatResult_size;
static jfieldID s_android_FileHelper_StatResult_modifiedTime;
static jfieldID s_android_FileHelper_StatResult_flags;
static jmethodID s_android_FileHelper_getDisplayName;
static jmethodID s_android_FileHelper_getRelativePathForURIPath;
@ -102,12 +107,18 @@ void SetAndroidFileHelper(void* jvm, void* env, void* object)
s_android_FileHelper_FindResult_modifiedTime = {};
s_android_FileHelper_FindResult_flags = {};
s_android_FileHelper_FindResult_class = {};
jenv->DeleteGlobalRef(s_android_FileHelper_StatResult_class);
s_android_FileHelper_StatResult_size = {};
s_android_FileHelper_StatResult_modifiedTime = {};
s_android_FileHelper_StatResult_flags = {};
s_android_FileHelper_StatResult_class = {};
jenv->DeleteGlobalRef(s_android_FileHelper_object);
jenv->DeleteGlobalRef(s_android_FileHelper_class);
s_android_FileHelper_getRelativePathForURIPath = {};
s_android_FileHelper_getDisplayName = {};
s_android_FileHelper_openURIAsFileDescriptor = {};
s_android_FileHelper_StatFile = {};
s_android_FileHelper_FindFiles = {};
s_android_FileHelper_object = {};
s_android_FileHelper_class = {};
@ -129,6 +140,9 @@ void SetAndroidFileHelper(void* jvm, void* env, void* object)
s_android_FileHelper_openURIAsFileDescriptor =
jenv->GetMethodID(s_android_FileHelper_class, "openURIAsFileDescriptor", "(Ljava/lang/String;Ljava/lang/String;)I");
s_android_FileHelper_StatFile =
jenv->GetMethodID(s_android_FileHelper_class, "statFile",
"(Ljava/lang/String;)Lcom/github/stenzek/duckstation/FileHelper$StatResult;");
s_android_FileHelper_FindFiles =
jenv->GetMethodID(s_android_FileHelper_class, "findFiles",
"(Ljava/lang/String;I)[Lcom/github/stenzek/duckstation/FileHelper$FindResult;");
@ -157,6 +171,19 @@ void SetAndroidFileHelper(void* jvm, void* env, void* object)
Assert(s_android_FileHelper_FindResult_relativeName && s_android_FileHelper_FindResult_name &&
s_android_FileHelper_FindResult_size && s_android_FileHelper_FindResult_modifiedTime &&
s_android_FileHelper_FindResult_flags);
jclass st_class = jenv->FindClass("com/github/stenzek/duckstation/FileHelper$StatResult");
Assert(st_class);
s_android_FileHelper_StatResult_class = static_cast<jclass>(jenv->NewGlobalRef(st_class));
Assert(s_android_FileHelper_StatResult_class);
jenv->DeleteLocalRef(st_class);
s_android_FileHelper_StatResult_size = jenv->GetFieldID(s_android_FileHelper_StatResult_class, "size", "J");
s_android_FileHelper_StatResult_modifiedTime =
jenv->GetFieldID(s_android_FileHelper_StatResult_class, "modifiedTime", "J");
s_android_FileHelper_StatResult_flags = jenv->GetFieldID(s_android_FileHelper_StatResult_class, "flags", "I");
Assert(s_android_FileHelper_StatResult_size && s_android_FileHelper_StatResult_modifiedTime &&
s_android_FileHelper_StatResult_flags);
}
static std::FILE* OpenUriFile(const char* path, const char* mode)
@ -302,6 +329,32 @@ static bool FindUriFiles(const char* path, const char* pattern, u32 flags, FindR
return true;
}
static bool StatUriFile(const char* path, FILESYSTEM_STAT_DATA* sd)
{
if (!s_android_FileHelper_object)
return false;
JNIEnv* env = GetJNIEnv();
jstring path_jstr = env->NewStringUTF(path);
jobject result = static_cast<jobjectArray>(
env->CallObjectMethod(s_android_FileHelper_object, s_android_FileHelper_StatFile, path_jstr));
env->DeleteLocalRef(path_jstr);
if (!result)
return false;
const u64 result_size = static_cast<u64>(env->GetLongField(result, s_android_FileHelper_StatResult_size));
const u64 result_modified_time =
static_cast<u64>(env->GetLongField(result, s_android_FileHelper_StatResult_modifiedTime));
const u32 result_flags = static_cast<u32>(env->GetIntField(result, s_android_FileHelper_StatResult_flags));
sd->Attributes = result_flags;
sd->ModificationTime.SetUnixTimestamp(result_modified_time);
sd->Size = result_size;
env->DeleteLocalRef(result);
return true;
}
static bool GetDisplayNameForUriPath(const char* path, std::string* result)
{
if (!s_android_FileHelper_object)
@ -2122,6 +2175,11 @@ bool StatFile(const char* Path, FILESYSTEM_STAT_DATA* pStatData)
if (Path[0] == '\0')
return false;
#ifdef __ANDROID__
if (IsUriPath(Path) && UriHelpersAreAvailable())
return StatUriFile(Path, pStatData);
#endif
// stat file
#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
struct stat sysStatData;
@ -2190,7 +2248,15 @@ bool FileExists(const char* Path)
if (Path[0] == '\0')
return false;
// stat file
#ifdef __ANDROID__
if (IsUriPath(Path) && UriHelpersAreAvailable())
{
FILESYSTEM_STAT_DATA sd;
return (StatUriFile(Path, &sd) && (sd.Attributes & FILESYSTEM_FILE_ATTRIBUTE_DIRECTORY) == 0);
}
#endif
// stat file
#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
struct stat sysStatData;
if (stat(Path, &sysStatData) < 0)
@ -2212,7 +2278,15 @@ bool DirectoryExists(const char* Path)
if (Path[0] == '\0')
return false;
// stat file
#ifdef __ANDROID__
if (IsUriPath(Path) && UriHelpersAreAvailable())
{
FILESYSTEM_STAT_DATA sd;
return (StatUriFile(Path, &sd) && (sd.Attributes & FILESYSTEM_FILE_ATTRIBUTE_DIRECTORY) != 0);
}
#endif
// stat file
#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
struct stat sysStatData;
if (stat(Path, &sysStatData) < 0)