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137 lines
3.5 KiB
137 lines
3.5 KiB
#include <node_api.h>
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#include <string.h>
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void Test(napi_env env, napi_callback_info info) {
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napi_status status;
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size_t argc;
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status = napi_get_cb_args_length(env, info, &argc);
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if (status != napi_ok) return;
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if (argc < 2) {
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napi_throw_type_error(env, "Wrong number of arguments");
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return;
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}
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napi_value args[2];
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status = napi_get_cb_args(env, info, args, 2);
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if (status != napi_ok) return;
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napi_valuetype valuetype0;
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status = napi_typeof(env, args[0], &valuetype0);
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if (status != napi_ok) return;
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if (valuetype0 != napi_object) {
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napi_throw_type_error(
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env, "Wrong type of argments. Expects an array as first argument.");
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return;
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}
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napi_valuetype valuetype1;
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status = napi_typeof(env, args[1], &valuetype1);
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if (status != napi_ok) return;
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if (valuetype1 != napi_number) {
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napi_throw_type_error(
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env, "Wrong type of argments. Expects an integer as second argument.");
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return;
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}
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napi_value array = args[0];
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int index;
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status = napi_get_value_int32(env, args[1], &index);
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if (status != napi_ok) return;
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bool isarray;
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status = napi_is_array(env, array, &isarray);
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if (status != napi_ok) return;
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if (isarray) {
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uint32_t size;
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status = napi_get_array_length(env, array, &size);
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if (status != napi_ok) return;
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if (index >= (int)(size)) {
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napi_value str;
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status = napi_create_string_utf8(env, "Index out of bound!", -1, &str);
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if (status != napi_ok) return;
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status = napi_set_return_value(env, info, str);
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if (status != napi_ok) return;
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} else if (index < 0) {
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napi_throw_type_error(env, "Invalid index. Expects a positive integer.");
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} else {
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napi_value ret;
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status = napi_get_element(env, array, index, &ret);
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if (status != napi_ok) return;
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status = napi_set_return_value(env, info, ret);
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if (status != napi_ok) return;
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}
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}
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}
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void New(napi_env env, napi_callback_info info) {
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napi_status status;
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size_t argc;
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status = napi_get_cb_args_length(env, info, &argc);
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if (status != napi_ok) return;
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if (argc < 1) {
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napi_throw_type_error(env, "Wrong number of arguments");
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return;
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}
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napi_value args[1];
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status = napi_get_cb_args(env, info, args, 1);
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if (status != napi_ok) return;
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napi_valuetype valuetype;
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status = napi_typeof(env, args[0], &valuetype);
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if (status != napi_ok) return;
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if (valuetype != napi_object) {
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napi_throw_type_error(
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env, "Wrong type of argments. Expects an array as first argument.");
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return;
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}
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napi_value ret;
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status = napi_create_array(env, &ret);
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if (status != napi_ok) return;
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uint32_t i, length;
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status = napi_get_array_length(env, args[0], &length);
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if (status != napi_ok) return;
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for (i = 0; i < length; i++) {
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napi_value e;
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status = napi_get_element(env, args[0], i, &e);
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if (status != napi_ok) return;
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status = napi_set_element(env, ret, i, e);
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if (status != napi_ok) return;
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}
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status = napi_set_return_value(env, info, ret);
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if (status != napi_ok) return;
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}
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#define DECLARE_NAPI_METHOD(name, func) \
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{ name, func, 0, 0, 0, napi_default, 0 }
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void Init(napi_env env, napi_value exports, napi_value module, void* priv) {
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napi_status status;
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napi_property_descriptor descriptors[] = {
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DECLARE_NAPI_METHOD("Test", Test),
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DECLARE_NAPI_METHOD("New", New),
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};
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status = napi_define_properties(
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env, exports, sizeof(descriptors) / sizeof(*descriptors), descriptors);
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if (status != napi_ok) return;
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}
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NAPI_MODULE(addon, Init)
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