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Proper array typemaps in Javascript

Browse source 
https://github.com/swig/swig/issues/865
This commit is contained in:
Nickolay Shmyrev 2017-01-12 15:53:44 +01:00
commit cf7811b178
9 changed files with 115 additions and 125 deletions
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95
Lib/javascript/v8/arrays_javascript.i
View file

@ -21,105 +21,72 @@
* fs = example.FiddleSticks;
* ----------------------------------------------------------------------------- */
%fragment("SWIG_JSCGetIntProperty", "header", fragment=SWIG_AsVal_frag(int)) {}
%fragment("SWIG_JSCGetIntProperty", "header", fragment=SWIG_AsVal_frag(int)) {}
%fragment("SWIG_JSCGetNumberProperty", "header", fragment=SWIG_AsVal_frag(double)) {}
%fragment("SWIG_JSCOutInt", "header", fragment=SWIG_From_frag(int)) {}
%fragment("SWIG_JSCOutNumber", "header", fragment=SWIG_From_frag(double)) {}
%typemap(in, fragment="SWIG_JSCGetIntProperty") int[], int[ANY]
(int length = 0, v8::Local<v8::Array> array, v8::Local<v8::Value> jsvalue, int i = 0, int res = 0, $*1_ltype temp) {
%define JAVASCRIPT_ARRAYS_IN_DECL(NAME, CTYPE, ANY, ANYLENGTH)
%typemap(in, fragment=NAME) CTYPE[ANY] {
if ($input->IsArray())
{
// Convert into Array
array = v8::Local<v8::Array>::Cast($input);
v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast($input);
length = $1_dim0;
int length = ANYLENGTH;
$1 = ($*1_ltype *)malloc(sizeof($*1_ltype) * length);
// Get each element from array
for (i = 0; i < length; i++)
for (int i = 0; i < length; i++)
{
jsvalue = array->Get(i);
v8::Local<v8::Value> jsvalue = array->Get(i);
$*1_ltype temp;
// Get primitive value from JSObject
res = SWIG_AsVal(int)(jsvalue, &temp);
int res = SWIG_AsVal(CTYPE)(jsvalue, &temp);
if (!SWIG_IsOK(res))
{
SWIG_exception_fail(SWIG_ERROR, "Failed to convert $input to double");
}
arg$argnum[i] = temp;
}
}
else
{
SWIG_exception_fail(SWIG_ERROR, "$input is not JSObjectRef");
SWIG_exception_fail(SWIG_ERROR, "$input is not an array");
}
}
%typemap(freearg) int[], int[ANY] {
%typemap(freearg) CTYPE[ANY] {
free($1);
}
%typemap(out, fragment=SWIG_From_frag(int)) int[], int[ANY] (int length = 0, int i = 0)
{
length = $1_dim0;
v8::Local<v8::Array> array = v8::Array::New(length);
%enddef
for (i = 0; i < length; i++)
%define JAVASCRIPT_ARRAYS_OUT_DECL(NAME, CTYPE)
%typemap(out, fragment=NAME) CTYPE[ANY] {
int length = $1_dim0;
v8::Local<v8::Array> array = SWIGV8_ARRAY_NEW(length);
for (int i = 0; i < length; i++)
{
array->Set(i, SWIG_From(int)($1[i]));
array->Set(i, SWIG_From(CTYPE)($1[i]));
}
$result = array;
}
%typemap(in, fragment="SWIG_JSCGetNumberProperty") double[], double[ANY]
(int length = 0, v8::Local<v8::Array> array, v8::Local<v8::Value> jsvalue, int i = 0, int res = 0, $*1_ltype temp) {
if ($input->IsArray())
{
// Convert into Array
array = v8::Local<v8::Array>::Cast($input);
%enddef
length = $1_dim0;
JAVASCRIPT_ARRAYS_IN_DECL("SWIG_JSCGetIntProperty", int, , array->Length())
JAVASCRIPT_ARRAYS_IN_DECL("SWIG_JSCGetIntProperty", int, ANY, $1_dim0)
JAVASCRIPT_ARRAYS_IN_DECL("SWIG_JSCGetNumberProperty", double, , array->Length())
JAVASCRIPT_ARRAYS_IN_DECL("SWIG_JSCGetNumberProperty", double, ANY, $1_dim0)
$1 = ($*1_ltype *)malloc(sizeof($*1_ltype) * length);
JAVASCRIPT_ARRAYS_OUT_DECL("SWIG_JSCOutInt", int)
JAVASCRIPT_ARRAYS_OUT_DECL("SWIG_JSCOutNumber", double)
// Get each element from array
for (i = 0; i < length; i++)
{
jsvalue = array->Get(i);
// Get primitive value from JSObject
res = SWIG_AsVal(double)(jsvalue, &temp);
if (!SWIG_IsOK(res))
{
SWIG_exception_fail(SWIG_ERROR, "Failed to convert $input to double");
}
arg$argnum[i] = temp;
}
}
else
{
SWIG_exception_fail(SWIG_ERROR, "$input is not JSObjectRef");
}
}
%typemap(freearg) double[], double[ANY] {
free($1);
}
%typemap(out, fragment=SWIG_From_frag(double)) double[], double[ANY] (int length = 0, int i = 0)
{
length = $1_dim0;
v8::Local<v8::Array> array = v8::Array::New(length);
for (i = 0; i < length; i++)
{
array->Set(i, SWIG_From(double)($1[i]));
}
$result = array;
}