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Typemap for natural support for arrays

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Kota Iguchi 2013-08-16 16:08:47 +09:00 • committed by Oliver Buchtala
commit a29975c69a
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123
Lib/javascript/jsc/arrays_javascript.i Normal file
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/* -----------------------------------------------------------------------------
* arrays_javascript.i
*
* These typemaps give more natural support for arrays. The typemaps are not efficient
* as there is a lot of copying of the array values whenever the array is passed to C/C++
* from JavaScript and vice versa. The JavaScript array is expected to be the same size as the C array.
* An exception is thrown if they are not.
*
* Example usage:
* Wrapping:
*
* %include <arrays_javascript.i>
* %inline %{
* extern int FiddleSticks[3];
* %}
*
* Use from JavaScript like this:
*
* var fs = [10, 11, 12];
* example.FiddleSticks = fs;
* fs = example.FiddleSticks;
* ----------------------------------------------------------------------------- */
%fragment("SWIG_JSCGetIntProperty", "header", fragment=SWIG_AsVal_frag(int)) {}
%fragment("SWIG_JSCGetNumberProperty", "header", fragment=SWIG_AsVal_frag(double)) {}
%typemap(in, fragment="SWIG_JSCGetIntProperty") int[], int[ANY]
(int length = 0, JSObjectRef array, JSValueRef jsvalue, int i = 0, int res = 0, $*1_ltype temp) {
if (JSValueIsObject(context, $input))
{
// Convert into Array
array = JSValueToObject(context, $input, NULL);
length = $1_dim0;
$1 = ($*1_ltype *)malloc(sizeof($*1_ltype) * length);
// Get each element from array
for (i = 0; i < length; i++)
{
jsvalue = JSObjectGetPropertyAtIndex(context, array, i, NULL);
// Get primitive value from JSObject
res = SWIG_AsVal(int)(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) int[], int[ANY] {
free($1);
}
%typemap(out, fragment=SWIG_From_frag(int)) int[], int[ANY] (int length = 0, int i = 0)
{
length = $1_dim0;
JSValueRef values[length];
for (i = 0; i < length; i++)
{
values[i] = SWIG_From(int)($1[i]);
}
$result = JSObjectMakeArray(context, length, values, NULL);
}
%typemap(in, fragment="SWIG_JSCGetNumberProperty") double[], double[ANY]
(int length = 0, JSObjectRef array, JSValueRef jsvalue, int i = 0, int res = 0, $*1_ltype temp) {
if (JSValueIsObject(context, $input))
{
// Convert into Array
array = JSValueToObject(context, $input, NULL);
length = $1_dim0;
$1 = ($*1_ltype *)malloc(sizeof($*1_ltype) * length);
// Get each element from array
for (i = 0; i < length; i++)
{
jsvalue = JSObjectGetPropertyAtIndex(context, array, i, NULL);
// 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;
JSValueRef values[length];
for (i = 0; i < length; i++)
{
values[i] = SWIG_From(double)($1[i]);
}
$result = JSObjectMakeArray(context, length, values, NULL);
}

125
Lib/javascript/v8/arrays_javascript.i Normal file
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/* -----------------------------------------------------------------------------
* arrays_javascript.i
*
* These typemaps give more natural support for arrays. The typemaps are not efficient
* as there is a lot of copying of the array values whenever the array is passed to C/C++
* from JavaScript and vice versa. The JavaScript array is expected to be the same size as the C array.
* An exception is thrown if they are not.
*
* Example usage:
* Wrapping:
*
* %include <arrays_javascript.i>
* %inline %{
* extern int FiddleSticks[3];
* %}
*
* Use from JavaScript like this:
*
* var fs = [10, 11, 12];
* example.FiddleSticks = fs;
* fs = example.FiddleSticks;
* ----------------------------------------------------------------------------- */
%fragment("SWIG_JSCGetIntProperty", "header", fragment=SWIG_AsVal_frag(int)) {}
%fragment("SWIG_JSCGetNumberProperty", "header", fragment=SWIG_AsVal_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, $*1_ltype temp) {
if ($input->IsArray())
{
// Convert into Array
array = v8::Local<v8::Array>::Cast($input);
length = $1_dim0;
$1 = ($*1_ltype *)malloc(sizeof($*1_ltype) * length);
// Get each element from array
for (i = 0; i < length; i++)
{
jsvalue = array->Get(i);
// Get primitive value from JSObject
res = SWIG_AsVal(int)(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) int[], int[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);
for (i = 0; i < length; i++)
{
array->Set(i, SWIG_From(int)($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);
length = $1_dim0;
$1 = ($*1_ltype *)malloc(sizeof($*1_ltype) * length);
// 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;
}