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#include <node_api.h>
#include <string.h>
#include "../common.h"
napi_value CreateDataView(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args [1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
napi_valuetype valuetype;
napi_value input_dataview = args[0];
NAPI_CALL(env, napi_typeof(env, input_dataview, &valuetype));
NAPI_ASSERT(env, valuetype == napi_object,
"Wrong type of arguments. Expects a DataView as the first "
"argument.");
bool is_dataview;
NAPI_CALL(env, napi_is_dataview(env, input_dataview, &is_dataview));
NAPI_ASSERT(env, is_dataview,
"Wrong type of arguments. Expects a DataView as the first "
"argument.");
size_t byte_offset = 0;
size_t length = 0;
napi_value buffer;
NAPI_CALL(env,
napi_get_dataview_info(env, input_dataview, &length, NULL,
&buffer, &byte_offset));
napi_value output_dataview;
NAPI_CALL(env,
napi_create_dataview(env, length, buffer,
byte_offset, &output_dataview));
return output_dataview;
}
napi_value Init(napi_env env, napi_value exports) {
napi_property_descriptor descriptors[] = {
DECLARE_NAPI_PROPERTY("CreateDataView", CreateDataView)
};
NAPI_CALL(env, napi_define_properties(
env, exports, sizeof(descriptors) / sizeof(*descriptors), descriptors));
return exports;
}
NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)
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