95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/**
|
|
* @license Apache-2.0
|
|
*
|
|
* Copyright (c) 2020 The Stdlib Authors.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "stdlib/strided/napi/addon_arguments.h"
|
|
#include <node_api.h>
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
|
|
/**
|
|
* Receives JavaScript callback invocation data.
|
|
*
|
|
* @private
|
|
* @param env environment under which the function is invoked
|
|
* @param info callback data
|
|
* @return Node-API value
|
|
*/
|
|
static napi_value addon( napi_env env, napi_callback_info info ) {
|
|
napi_status status;
|
|
|
|
// Total number of input arguments:
|
|
int64_t nargs = 5;
|
|
|
|
// Number of input strided array arguments:
|
|
int64_t nin = 1;
|
|
|
|
// Get callback arguments:
|
|
size_t argc = 5;
|
|
napi_value argv[ 5 ];
|
|
status = napi_get_cb_info( env, info, &argc, argv, NULL, NULL );
|
|
assert( status == napi_ok );
|
|
|
|
// Check whether we were provided the correct number of arguments:
|
|
int64_t argc64 = (int64_t)argc;
|
|
if ( argc64 < nargs ) {
|
|
status = napi_throw_error( env, NULL, "invalid invocation. Insufficient arguments." );
|
|
assert( status == napi_ok );
|
|
return NULL;
|
|
}
|
|
if ( argc64 > nargs ) {
|
|
status = napi_throw_error( env, NULL, "invalid invocation. Too many arguments." );
|
|
assert( status == napi_ok );
|
|
return NULL;
|
|
}
|
|
// Process the provided arguments:
|
|
uint8_t *arrays[ 2 ];
|
|
int64_t strides[ 2 ];
|
|
int64_t shape[ 1 ];
|
|
int32_t types[ 2 ];
|
|
|
|
napi_value err;
|
|
status = stdlib_strided_napi_addon_arguments( env, argv, nargs, nin, arrays, shape, strides, types, &err );
|
|
assert( status == napi_ok );
|
|
|
|
// Check whether processing was successful:
|
|
if ( err != NULL ) {
|
|
status = napi_throw( env, err );
|
|
assert( status == napi_ok );
|
|
return NULL;
|
|
}
|
|
// Normally, one would then do something with the processed arguments; here, we just return...
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Initializes a Node-API module.
|
|
*
|
|
* @private
|
|
* @param env environment under which the function is invoked
|
|
* @param exports exports object
|
|
* @return main export
|
|
*/
|
|
static napi_value init( napi_env env, napi_value exports ) {
|
|
napi_value fcn;
|
|
napi_status status = napi_create_function( env, "exports", NAPI_AUTO_LENGTH, addon, NULL, &fcn );
|
|
assert( status == napi_ok );
|
|
return fcn;
|
|
}
|
|
|
|
NAPI_MODULE( NODE_GYP_MODULE_NAME, init )
|