JNIEXPORT void JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_initIDs(JNIEnv *env, jclass cls) {
__GetFinalPathNameByHandle =
(GetFinalPathNameByHandlePtr)GetProcAddress(GetModuleHandle(L"kernel32.dll"), "GetFinalPathNameByHandleW");
jclass fileInfoClass = getFileInfoClass(env);
if (fileInfoClass == NULL) {
return;
}
nameID = env->GetFieldID(fileInfoClass, "name", "Ljava/lang/String;");
attributesID = env->GetFieldID(fileInfoClass, "attributes", "I");
timestampID = env->GetFieldID(fileInfoClass, "timestamp", "J");
lengthID = env->GetFieldID(fileInfoClass, "length", "J");
}
JNIEXPORT jobjectArray JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_listChildren0(JNIEnv *env, jobject method, jstring path) {
WIN32_FIND_DATA data;
HANDLE h = FindFileInner(env, path, &data);
if (h == INVALID_HANDLE_VALUE) {
return NULL;
}
jclass fileInfoClass = getFileInfoClass(env);
if (fileInfoClass == NULL) {
return NULL;
}
jobjectArray rv, old;
int len = 0, maxlen = 16;
rv = env->NewObjectArray(maxlen, fileInfoClass, NULL);
if (rv == NULL) {
goto error;
}
do {
if (len == maxlen) {
old = rv;
rv = env->NewObjectArray(maxlen <<= 1, fileInfoClass, NULL);
if (rv == NULL || !CopyObjectArray(env, rv, old, len)) {
goto error;
}
env->DeleteLocalRef(old);
}
jobject o = CreateFileInfo(env, path, true, &data, fileInfoClass);
env->SetObjectArrayElement(rv, len++, o);
env->DeleteLocalRef(o);
}
while (FindNextFile(h, &data));
FindClose(h);
old = rv;
rv = env->NewObjectArray(len, fileInfoClass, NULL);
if (rv == NULL || !CopyObjectArray(env, rv, old, len)) {
goto error;
}
return rv;
error:
FindClose(h);
return NULL;
}
JNIEXPORT jobject JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_getInfo0(JNIEnv *env, jobject method, jstring path) {
bool isDrive = false;
if (env->GetStringLength(path) == 2) {
const jchar* str = env->GetStringChars(path, NULL);
isDrive = (str[1] == ':');
env->ReleaseStringChars(path, str);
}
WIN32_FIND_DATA data;
HANDLE h = INVALID_HANDLE_VALUE;
if (!isDrive) {
h = FindFileInner(env, path, &data);
if (h == INVALID_HANDLE_VALUE && GetLastError() != ERROR_ACCESS_DENIED) {
return NULL;
}
}
if (h == INVALID_HANDLE_VALUE) {
WIN32_FILE_ATTRIBUTE_DATA attrData;
const jchar* str = env->GetStringChars(path, 0);
BOOL res = GetFileAttributesEx((LPCWSTR)str, GetFileExInfoStandard, &attrData);
env->ReleaseStringChars(path, str);
if (!res) {
return NULL;
}
data.dwFileAttributes = attrData.dwFileAttributes;
data.dwReserved0 = 0;
data.ftLastWriteTime = attrData.ftLastWriteTime;
data.nFileSizeLow = attrData.nFileSizeLow;
data.nFileSizeHigh = attrData.nFileSizeHigh;
}
else {
FindClose(h);
}
jclass fileInfoClass = getFileInfoClass(env);
if (fileInfoClass == NULL) {
return NULL;
}
return CreateFileInfo(env, path, false, &data, fileInfoClass);
}
JNIEXPORT jobject JNICALL Java_com_intellij_openapi_util_io_win32_IdeaWin32_getInfo0(JNIEnv *env, jobject method, jstring path) {
WIN32_FILE_ATTRIBUTE_DATA attrData;
const jchar* str = env->GetStringChars(path, 0);
BOOL res = GetFileAttributesEx((LPCWSTR)str, GetFileExInfoStandard, &attrData);
env->ReleaseStringChars(path, str);
if (!res) {
return NULL;
}
WIN32_FIND_DATA data;
data.dwFileAttributes = attrData.dwFileAttributes;
data.dwReserved0 = 0;
data.ftLastWriteTime = attrData.ftLastWriteTime;
data.nFileSizeLow = attrData.nFileSizeLow;
data.nFileSizeHigh = attrData.nFileSizeHigh;
if (IS_SET(attrData.dwFileAttributes, FILE_ATTRIBUTE_REPARSE_POINT)) {
WIN32_FIND_DATA findData;
HANDLE h = FindFileInner(env, path, &findData);
if (h != INVALID_HANDLE_VALUE) {
FindClose(h);
data.dwFileAttributes = findData.dwFileAttributes;
data.dwReserved0 = findData.dwReserved0;
data.ftLastWriteTime = findData.ftLastWriteTime;
data.nFileSizeLow = findData.nFileSizeLow;
data.nFileSizeHigh = findData.nFileSizeHigh;
}
}
jclass fileInfoClass = getFileInfoClass(env);
if (fileInfoClass == NULL) {
return NULL;
}
return CreateFileInfo(env, path, false, &data, fileInfoClass);
}
