mirror of https://github.com/swig/swig
48 lines
1.7 KiB
OpenEdge ABL
48 lines
1.7 KiB
OpenEdge ABL
/*
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* To include generic versions of the in typemaps, add:
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*
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* %typemap(in) (void *, size_t) = (const void* buffer_data, const size_t buffer_len);
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* %typemap(typecheck) (void *, size_t) = (const void* buffer_data, const size_t buffer_len);
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*
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* or to discriminate by argument names:
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* %typemap(in) (void *data, size_t length) = (const void* buffer_data, const size_t buffer_len);
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* %typemap(typecheck) (void *data, size_t length) = (const void* buffer_data, const size_t buffer_len);
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*/
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%typemap(in) (const void* buffer_data, const size_t buffer_len) {
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if ($input.IsBuffer()) {
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Napi::Buffer<char> buf = $input.As<Napi::Buffer<char>>();
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$1 = reinterpret_cast<void *>(buf.Data());
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$2 = buf.ByteLength();
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} else {
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SWIG_exception_fail(SWIG_TypeError, "in method '$symname', argument is not a Buffer");
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}
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}
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%typemap(typecheck, precedence=SWIG_TYPECHECK_VOIDPTR) (const void* buffer_data, const size_t buffer_len) {
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$1 = $input.IsBuffer();
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}
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/*
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* In order to use the argout typemap, the function must have the following signature:
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*
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* void buffer(void **buffer_data, size_t *buffer_len)
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*
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* In this case, this function will be wrapped by a JS function that takes
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* no arguments (because of numinputs=0) and returns a Buffer
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*/
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%typemap(in, numinputs=0) (void **buffer_data, size_t *buffer_len) (void *temp_data, size_t temp_len) {
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$1 = &temp_data;
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$2 = &temp_len;
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}
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%typemap(argout) (void **buffer_data, size_t *buffer_len) {
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if (*$1 != nullptr) {
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Napi::Buffer<char> buf = Napi::Buffer<char>::Copy(env, reinterpret_cast<char *>(*$1), *$2);
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NAPI_CHECK_RESULT(buf.As<Napi::Value>(), $result);
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} else {
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$result = env.Null();
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}
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}
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