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#include <assert.h>
#define NAPI_EXPERIMENTAL
#include <node_api.h>
#define NAPI_CALL(call) \
do { \
napi_status status = call; \
assert(status == napi_ok && #call " failed"); \
} while (0);
#define EXPORT_FUNC(env, exports, name, func) \
do { \
napi_value js_func; \
NAPI_CALL(napi_create_function( \
(env), (name), NAPI_AUTO_LENGTH, (func), NULL, &js_func)); \
NAPI_CALL(napi_set_named_property((env), (exports), (name), js_func)); \
} while (0);
const char* one_byte_string = "The Quick Brown Fox Jumped Over The Lazy Dog.";
const char16_t* two_byte_string =
u"The Quick Brown Fox Jumped Over The Lazy Dog.";
#define DECLARE_BINDING(CapName, lowercase_name, var_name) \
static napi_value CreateString##CapName(napi_env env, \
napi_callback_info info) { \
size_t argc = 4; \
napi_value argv[4]; \
uint32_t n; \
uint32_t index; \
napi_handle_scope scope; \
napi_value js_string; \
\
NAPI_CALL(napi_get_cb_info(env, info, &argc, argv, NULL, NULL)); \
NAPI_CALL(napi_get_value_uint32(env, argv[0], &n)); \
NAPI_CALL(napi_open_handle_scope(env, &scope)); \
NAPI_CALL(napi_call_function(env, argv[1], argv[2], 0, NULL, NULL)); \
for (index = 0; index < n; index++) { \
NAPI_CALL(napi_create_string_##lowercase_name( \
env, (var_name), NAPI_AUTO_LENGTH, &js_string)); \
} \
NAPI_CALL(napi_call_function(env, argv[1], argv[3], 1, &argv[0], NULL)); \
NAPI_CALL(napi_close_handle_scope(env, scope)); \
\
return NULL; \
}
DECLARE_BINDING(Latin1, latin1, one_byte_string)
DECLARE_BINDING(Utf8, utf8, one_byte_string)
DECLARE_BINDING(Utf16, utf16, two_byte_string)
NAPI_MODULE_INIT() {
EXPORT_FUNC(env, exports, "createStringLatin1", CreateStringLatin1);
EXPORT_FUNC(env, exports, "createStringUtf8", CreateStringUtf8);
EXPORT_FUNC(env, exports, "createStringUtf16", CreateStringUtf16);
return exports;
}
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