JHANDLER_FUNCTION(Stat, handler) {
int argc = handler.GetArgLength();
if (argc < 1) {
JHANDLER_THROW_RETURN(handler, TypeError, "path required");
}
if (!handler.GetArg(0)->IsString()) {
JHANDLER_THROW_RETURN(handler, TypeError, "path must be a string");
}
Environment* env = Environment::GetEnv();
String path = handler.GetArg(0)->GetString();
if (argc > 1 && handler.GetArg(1)->IsFunction()) {
FS_ASYNC(env, stat, handler.GetArg(1), path.data());
} else {
FS_SYNC(env, stat, path.data());
uv_stat_t* s = &(req_wrap.data()->statbuf);
JObject ret(MakeStatObject(s));
handler.Return(ret);
}
return true;
}
jerry_value_t fs_do_read_or_write(const jerry_value_t jfunc,
const jerry_value_t jthis,
const jerry_value_t jargv[],
const jerry_length_t jargc,
const iotjs_fs_op_t fs_op) {
DJS_CHECK_THIS();
DJS_CHECK_ARGS(5, number, object, number, number, number);
DJS_CHECK_ARG_IF_EXIST(5, function);
const iotjs_environment_t* env = iotjs_environment_get();
int fd = JS_GET_ARG(0, number);
const jerry_value_t jbuffer = JS_GET_ARG(1, object);
size_t offset = JS_GET_ARG(2, number);
size_t length = JS_GET_ARG(3, number);
int position = JS_GET_ARG(4, number);
const jerry_value_t jcallback = JS_GET_ARG_IF_EXIST(5, function);
iotjs_bufferwrap_t* buffer_wrap = iotjs_bufferwrap_from_jbuffer(jbuffer);
char* data = buffer_wrap->buffer;
size_t data_length = iotjs_bufferwrap_length(buffer_wrap);
JS_CHECK(data != NULL && data_length > 0);
if (!IsWithinBounds(offset, length, data_length)) {
return JS_CREATE_ERROR(RANGE, "length out of bound");
}
uv_buf_t uvbuf = uv_buf_init(data + offset, length);
jerry_value_t ret_value;
if (fs_op == IOTJS_FS_READ) {
if (!jerry_value_is_null(jcallback)) {
FS_ASYNC(env, read, jcallback, fd, &uvbuf, 1, position);
} else {
FS_SYNC(env, read, fd, &uvbuf, 1, position);
}
} else {
if (!jerry_value_is_null(jcallback)) {
FS_ASYNC(env, write, jcallback, fd, &uvbuf, 1, position);
} else {
FS_SYNC(env, write, fd, &uvbuf, 1, position);
}
}
return ret_value;
}
JHANDLER_FUNCTION(Close, handler) {
IOTJS_ASSERT(handler.GetThis()->IsObject());
IOTJS_ASSERT(handler.GetArgLength() >= 1);
IOTJS_ASSERT(handler.GetArg(0)->IsNumber());
Environment* env = Environment::GetEnv();
int fd = handler.GetArg(0)->GetInt32();
if (handler.GetArgLength() > 1 && handler.GetArg(1)->IsFunction()) {
FS_ASYNC(env, close, handler.GetArg(1), fd);
} else {
FS_SYNC(env, close, fd);
}
return !handler.HasThrown();
}
JHANDLER_FUNCTION(Write, handler) {
IOTJS_ASSERT(handler.GetThis()->IsObject());
IOTJS_ASSERT(handler.GetArgLength() >= 5);
IOTJS_ASSERT(handler.GetArg(0)->IsNumber());
IOTJS_ASSERT(handler.GetArg(1)->IsObject());
IOTJS_ASSERT(handler.GetArg(2)->IsNumber());
IOTJS_ASSERT(handler.GetArg(3)->IsNumber());
IOTJS_ASSERT(handler.GetArg(4)->IsNumber());
Environment* env = Environment::GetEnv();
int fd = handler.GetArg(0)->GetInt32();
int offset = handler.GetArg(2)->GetInt32();
int length = handler.GetArg(3)->GetInt32();
int position = handler.GetArg(4)->GetInt32();
JObject* jbuffer = handler.GetArg(1);
BufferWrap* buffer_wrap = BufferWrap::FromJBuffer(*jbuffer);
char* data = buffer_wrap->buffer();
int data_length = buffer_wrap->length();
if (offset >= data_length) {
JHANDLER_THROW_RETURN(handler, RangeError, "offset out of bound");
}
if (offset + length > data_length) {
JHANDLER_THROW_RETURN(handler, RangeError, "length out of bound");
}
uv_buf_t uvbuf = uv_buf_init(reinterpret_cast<char*>(data + offset),
length);
if (handler.GetArgLength() > 5 && handler.GetArg(5)->IsFunction()) {
FS_ASYNC(env, write, handler.GetArg(5), fd, &uvbuf, 1, position);
} else {
FS_SYNC(env, write, fd, &uvbuf, 1, position);
handler.Return(JVal::Number(err));
}
return !handler.HasThrown();
}
JHANDLER_FUNCTION(Open, handler) {
IOTJS_ASSERT(handler.GetThis()->IsObject());
IOTJS_ASSERT(handler.GetArgLength() >= 3);
IOTJS_ASSERT(handler.GetArg(0)->IsString());
IOTJS_ASSERT(handler.GetArg(1)->IsNumber());
IOTJS_ASSERT(handler.GetArg(2)->IsNumber());
Environment* env = Environment::GetEnv();
String path = handler.GetArg(0)->GetString();
int flags = handler.GetArg(1)->GetInt32();
int mode = handler.GetArg(2)->GetInt32();
if (handler.GetArgLength() > 3 && handler.GetArg(3)->IsFunction()) {
FS_ASYNC(env, open, handler.GetArg(3), path.data(), flags, mode);
} else {
FS_SYNC(env, open, path.data(), flags, mode);
handler.Return(JVal::Number(err));
}
return !handler.HasThrown();
}
