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axmol/cocos/scripting/js-bindings/manual/js_manual_conversions.h

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/*
* Created by Rohan Kuruvilla
* Copyright (c) 2012 Zynga Inc.
* Copyright (c) 2013-2017 Chukong Technologies Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __JS_MANUAL_CONVERSIONS_H__
#define __JS_MANUAL_CONVERSIONS_H__
#include "jsapi.h"
#include "jsfriendapi.h"
#include "scripting/js-bindings/manual/js_bindings_core.h"
#include "scripting/js-bindings/manual/js_bindings_config.h"
#include "3d/CCBundle3DData.h"
#include "3d/CCOBB.h"
#include "3d/CCRay.h"
#include "base/CCEventMouse.h"
#include "base/CCMap.h"
#include "base/CCValue.h"
#include "base/CCVector.h"
#include "base/ccTypes.h"
#include "deprecated/CCArray.h"
#include "math/CCAffineTransform.h"
#include "platform/CCPlatformMacros.h"
#include "renderer/CCGLProgram.h"
#include "scripting/js-bindings/manual/spidermonkey_specifics.h"
#include "scripting/js-bindings/manual/js-BindingsExport.h"
#define JSB_COMPATIBLE_WITH_COCOS2D_HTML5_BASIC_TYPES
NS_CC_BEGIN
struct CC_DLL ResourceData;
namespace extension {
struct ManifestAsset;
}
NS_CC_END
// just a simple utility to avoid mem leaking when using JSString
class JSStringWrapper
{
public:
JSStringWrapper();
JSStringWrapper(JSString* str, JSContext* cx = NULL);
JSStringWrapper(jsval val, JSContext* cx = NULL);
~JSStringWrapper();
void set(jsval val, JSContext* cx);
void set(JSString* str, JSContext* cx);
const char* get();
private:
const char* _buffer;
private:
CC_DISALLOW_COPY_AND_ASSIGN(JSStringWrapper);
};
// wraps a function and "this" object
class JSFunctionWrapper
{
public:
JSFunctionWrapper(JSContext* cx, JS::HandleObject jsthis, JS::HandleValue fval);
JSFunctionWrapper(JSContext* cx, JS::HandleObject jsthis, JS::HandleValue fval, JS::HandleValue owner);
~JSFunctionWrapper();
bool invoke(unsigned int argc, jsval *argv, JS::MutableHandleValue rval);
bool invoke(JS::HandleValueArray args, JS::MutableHandleValue rval);
private:
JSContext *_cx;
JS::PersistentRootedObject* _jsthis;
JS::PersistentRootedValue* _fval;
private:
CC_DISALLOW_COPY_AND_ASSIGN(JSFunctionWrapper);
};
bool jsval_to_opaque( JSContext *cx, JS::HandleValue vp, void **out );
bool jsval_to_int( JSContext *cx, JS::HandleValue vp, int *out);
bool jsval_to_uint( JSContext *cx, JS::HandleValue vp, unsigned int *out);
bool jsval_to_c_class( JSContext *cx, JS::HandleValue vp, void **out_native, struct jsb_c_proxy_s **out_proxy);
/** converts a jsval (JS string) into a char */
bool jsval_to_charptr( JSContext *cx, JS::HandleValue vp, const char **out);
jsval opaque_to_jsval( JSContext *cx, void* opaque);
jsval c_class_to_jsval( JSContext *cx, void* handle, JS::HandleObject object, JSClass *klass, const char* class_name);
/* Converts a char ptr into a jsval (using JS string) */
jsval charptr_to_jsval( JSContext *cx, const char *str);
bool JSB_jsval_typedarray_to_dataptr( JSContext *cx, JS::HandleValue vp, GLsizei *count, void **data, js::Scalar::Type t);
bool JSB_get_arraybufferview_dataptr( JSContext *cx, JS::HandleValue vp, GLsizei *count, GLvoid **data );
// some utility functions
// to native
bool jsval_to_ushort( JSContext *cx, JS::HandleValue vp, unsigned short *ret );
bool jsval_to_int32( JSContext *cx, JS::HandleValue vp, int32_t *ret );
bool jsval_to_uint32( JSContext *cx, JS::HandleValue vp, uint32_t *ret );
bool jsval_to_uint16( JSContext *cx, JS::HandleValue vp, uint16_t *ret );
bool jsval_to_long( JSContext *cx, JS::HandleValue vp, long *out);
bool jsval_to_ulong( JSContext *cx, JS::HandleValue vp, unsigned long *out);
bool jsval_to_size( JSContext *cx, JS::HandleValue vp, size_t *out);
bool jsval_to_long_long(JSContext *cx, JS::HandleValue v, long long* ret);
CC_JS_DLL bool jsval_to_std_string(JSContext *cx, JS::HandleValue v, std::string* ret);
bool jsval_to_ccpoint(JSContext *cx, JS::HandleValue v, cocos2d::Point* ret);
bool jsval_to_ccrect(JSContext *cx, JS::HandleValue v, cocos2d::Rect* ret);
bool jsval_to_ccsize(JSContext *cx, JS::HandleValue v, cocos2d::Size* ret);
bool jsval_to_cccolor4b(JSContext *cx, JS::HandleValue v, cocos2d::Color4B* ret);
bool jsval_to_cccolor4f(JSContext *cx, JS::HandleValue v, cocos2d::Color4F* ret);
bool jsval_to_cccolor3b(JSContext *cx, JS::HandleValue v, cocos2d::Color3B* ret);
bool jsval_cccolor_to_opacity(JSContext *cx, JS::HandleValue v, int32_t* ret);
bool jsval_to_ccarray_of_CCPoint(JSContext* cx, JS::HandleValue v, cocos2d::Point **points, int *numPoints);
bool jsval_to_ccarray(JSContext* cx, JS::HandleValue v, cocos2d::__Array** ret);
bool jsval_to_ccdictionary(JSContext* cx, JS::HandleValue v, cocos2d::__Dictionary** ret);
bool jsval_to_ccacceleration(JSContext* cx, JS::HandleValue v, cocos2d::Acceleration* ret);
bool jsvals_variadic_to_ccarray( JSContext *cx, jsval *vp, int argc, cocos2d::__Array** ret);
bool jsval_to_quaternion(JSContext *cx, JS::HandleValue vp, cocos2d::Quaternion* ret);
bool jsval_to_obb(JSContext *cx, JS::HandleValue vp, cocos2d::OBB* ret);
bool jsval_to_ray(JSContext *cx, JS::HandleValue vp, cocos2d::Ray* ret);
bool jsval_to_resourcedata(JSContext *cx, JS::HandleValue v, cocos2d::ResourceData* ret);
// forward declaration
CC_JS_DLL js_proxy_t* jsb_get_js_proxy(JS::HandleObject jsObj);
template <class T>
bool jsvals_variadic_to_ccvector( JSContext *cx, /*jsval *vp, int argc,*/const JS::CallArgs& args, cocos2d::Vector<T>* ret)
{
bool ok = true;
for (unsigned i = 0; i < args.length(); i++)
{
js_proxy_t* p;
JS::RootedObject obj(cx, args.get(i).toObjectOrNull());
p = jsb_get_js_proxy(obj);
CCASSERT(p, "Native object not found!");
if (p) {
ret->pushBack((T)p->ptr);
}
}
JSB_PRECONDITION3(ok, cx, false, "Error processing arguments");
return ok;
}
bool jsvals_variadic_to_ccvaluevector( JSContext *cx, jsval *vp, int argc, cocos2d::ValueVector* ret);
bool jsval_to_ccaffinetransform(JSContext* cx, JS::HandleValue v, cocos2d::AffineTransform* ret);
bool jsval_to_FontDefinition( JSContext *cx, JS::HandleValue vp, cocos2d::FontDefinition* ret );
template <class T>
bool jsval_to_ccvector(JSContext* cx, JS::HandleValue v, cocos2d::Vector<T>* ret)
{
JS::RootedObject jsobj(cx);
bool ok = v.isObject() && JS_ValueToObject( cx, v, &jsobj );
JSB_PRECONDITION3( ok, cx, false, "Error converting value to object");
JSB_PRECONDITION3( jsobj && JS_IsArrayObject( cx, jsobj), cx, false, "Object must be an array");
uint32_t len = 0;
JS_GetArrayLength(cx, jsobj, &len);
for (uint32_t i=0; i < len; i++)
{
JS::RootedValue value(cx);
if (JS_GetElement(cx, jsobj, i, &value))
{
CCASSERT(value.isObject(), "the element in Vector isn't a native object.");
js_proxy_t *proxy;
JS::RootedObject tmp(cx, value.toObjectOrNull());
proxy = jsb_get_js_proxy(tmp);
T cobj = (T)(proxy ? proxy->ptr : nullptr);
if (cobj)
{
ret->pushBack(cobj);
}
}
}
return true;
}
bool jsval_to_ccvalue(JSContext* cx, JS::HandleValue v, cocos2d::Value* ret);
bool jsval_to_ccvaluemap(JSContext* cx, JS::HandleValue v, cocos2d::ValueMap* ret);
bool jsval_to_ccvaluemapintkey(JSContext* cx, JS::HandleValue v, cocos2d::ValueMapIntKey* ret);
bool jsval_to_ccvaluevector(JSContext* cx, JS::HandleValue v, cocos2d::ValueVector* ret);
bool jsval_to_ssize( JSContext *cx, JS::HandleValue vp, ssize_t* ret);
CC_JS_DLL bool jsval_to_std_vector_string( JSContext *cx, JS::HandleValue vp, std::vector<std::string>* ret);
bool jsval_to_std_vector_int( JSContext *cx, JS::HandleValue vp, std::vector<int>* ret);
bool jsval_to_std_vector_float( JSContext *cx, JS::HandleValue vp, std::vector<float>* ret);
bool jsval_to_matrix(JSContext *cx, JS::HandleValue vp, cocos2d::Mat4* ret);
bool jsval_to_vector2(JSContext *cx, JS::HandleValue vp, cocos2d::Vec2* ret);
bool jsval_to_vector3(JSContext *cx, JS::HandleValue vp, cocos2d::Vec3* ret);
bool jsval_to_vector4(JSContext *cx, JS::HandleValue vp, cocos2d::Vec4* ret);
bool jsval_to_blendfunc(JSContext *cx, JS::HandleValue vp, cocos2d::BlendFunc* ret);
bool jsval_to_vector_vec2(JSContext* cx, JS::HandleValue v, std::vector<cocos2d::Vec2>* ret);
bool jsval_to_cctex2f(JSContext* cx, JS::HandleValue vp, cocos2d::Tex2F* ret);
bool jsval_to_v3fc4bt2f(JSContext* cx, JS::HandleValue v, cocos2d::V3F_C4B_T2F* ret);
bool jsval_to_v3fc4bt2f_quad(JSContext* cx, JS::HandleValue v, cocos2d::V3F_C4B_T2F_Quad* ret);
bool jsval_to_vector_v3fc4bt2f(JSContext* cx, JS::HandleValue v, std::vector<cocos2d::V3F_C4B_T2F>* ret);
bool jsval_to_std_map_string_string(JSContext* cx, JS::HandleValue v, std::map<std::string, std::string>* ret);
template <class T>
bool jsval_to_ccmap_string_key(JSContext *cx, JS::HandleValue v, cocos2d::Map<std::string, T>* ret)
{
if (v.isNullOrUndefined())
{
return true;
}
JS::RootedObject tmp(cx, v.toObjectOrNull());
if (!tmp) {
CCLOG("%s", "jsval_to_ccvaluemap: the jsval is not an object.");
return false;
}
JS::RootedObject it(cx, JS_NewPropertyIterator(cx, tmp));
while (true)
{
JS::RootedId idp(cx);
JS::RootedValue key(cx);
if (! JS_NextProperty(cx, it, idp.address()) || ! JS_IdToValue(cx, idp, &key)) {
return false; // error
}
if (key.isUndefined()) {
break; // end of iteration
}
if (!key.isString()) {
continue; // ignore integer properties
}
JSStringWrapper keyWrapper(key.toString(), cx);
JS::RootedValue value(cx);
JS_GetPropertyById(cx, tmp, idp, &value);
if (value.isObject())
{
js_proxy_t *proxy = nullptr;
JS::RootedObject jsobj(cx, value.toObjectOrNull());
proxy = jsb_get_js_proxy(jsobj);
CCASSERT(proxy, "Native object should be added!");
T cobj = (T)(proxy ? proxy->ptr : nullptr);
ret->insert(keyWrapper.get(), cobj);
}
else
{
CCASSERT(false, "not supported type");
}
}
return true;
}
// from native
jsval int32_to_jsval( JSContext *cx, int32_t l);
jsval uint32_to_jsval( JSContext *cx, uint32_t number );
jsval ushort_to_jsval( JSContext *cx, unsigned short number );
jsval long_to_jsval( JSContext *cx, long number );
jsval ulong_to_jsval(JSContext* cx, unsigned long v);
jsval size_to_jsval(JSContext* cx, size_t v);
jsval long_long_to_jsval(JSContext* cx, long long v);
CC_JS_DLL jsval std_string_to_jsval(JSContext* cx, const std::string& v);
jsval c_string_to_jsval(JSContext* cx, const char* v, size_t length = -1);
jsval ccpoint_to_jsval(JSContext* cx, const cocos2d::Point& v);
jsval ccrect_to_jsval(JSContext* cx, const cocos2d::Rect& v);
jsval ccsize_to_jsval(JSContext* cx, const cocos2d::Size& v);
jsval cccolor4b_to_jsval(JSContext* cx, const cocos2d::Color4B& v);
jsval cccolor4f_to_jsval(JSContext* cx, const cocos2d::Color4F& v);
jsval cccolor3b_to_jsval(JSContext* cx, const cocos2d::Color3B& v);
jsval ccdictionary_to_jsval(JSContext* cx, cocos2d::__Dictionary *dict);
jsval ccarray_to_jsval(JSContext* cx, cocos2d::__Array *arr);
jsval ccacceleration_to_jsval(JSContext* cx, const cocos2d::Acceleration& v);
jsval ccaffinetransform_to_jsval(JSContext* cx, const cocos2d::AffineTransform& t);
jsval FontDefinition_to_jsval(JSContext* cx, const cocos2d::FontDefinition& t);
jsval quaternion_to_jsval(JSContext* cx, const cocos2d::Quaternion& q);
jsval meshVertexAttrib_to_jsval(JSContext* cx, const cocos2d::MeshVertexAttrib& q);
jsval uniform_to_jsval(JSContext* cx, const cocos2d::Uniform* uniform);
jsval resourcedata_to_jsval(JSContext* cx, const cocos2d::ResourceData& v);
jsval asset_to_jsval(JSContext* cx, const cocos2d::extension::ManifestAsset& v);
// forward declaration
template <class T>
js_type_class_t *js_get_type_from_native(T* native_obj);
// Ref version of ccvector_to_jsval
template <class T>
jsval ccvector_to_jsval(JSContext* cx, const cocos2d::Vector<T>& v)
{
JS::RootedObject jsretArr(cx, JS_NewArrayObject(cx, 0));
int i = 0;
for (const auto& obj : v)
{
JS::RootedValue arrElement(cx);
//First, check whether object is associated with js object.
js_type_class_t *typeClass = js_get_type_from_native(obj);
JS::RootedObject jsobject(cx, jsb_ref_get_or_create_jsobject(cx, obj, typeClass, typeid(*obj).name()));
if (jsobject.get()) {
arrElement = OBJECT_TO_JSVAL(jsobject);
}
if (!JS_SetElement(cx, jsretArr, i, arrElement)) {
break;
}
++i;
}
return OBJECT_TO_JSVAL(jsretArr);
}
template <class T>
jsval ccmap_string_key_to_jsval(JSContext* cx, const cocos2d::Map<std::string, T>& v)
{
JS::RootedObject proto(cx);
JS::RootedObject parent(cx);
JS::RootedObject jsRet(cx, JS_NewObject(cx, NULL, proto, parent));
for (auto iter = v.begin(); iter != v.end(); ++iter)
{
JS::RootedValue element(cx);
std::string key = iter->first;
T obj = iter->second;
//First, check whether object is associated with js object.
js_type_class_t *typeClass = js_get_type_from_native(obj);
JS::RootedObject jsobject(cx, jsb_ref_get_or_create_jsobject(cx, obj, typeClass, typeid(*obj).name()));
if (jsobject.get()) {
element = OBJECT_TO_JSVAL(jsobject);
}
if (!key.empty())
{
JS_SetProperty(cx, jsRet, key.c_str(), element);
}
}
return OBJECT_TO_JSVAL(jsRet);
}
jsval ccvalue_to_jsval(JSContext* cx, const cocos2d::Value& v);
jsval ccvaluemap_to_jsval(JSContext* cx, const cocos2d::ValueMap& v);
jsval ccvaluemapintkey_to_jsval(JSContext* cx, const cocos2d::ValueMapIntKey& v);
jsval ccvaluevector_to_jsval(JSContext* cx, const cocos2d::ValueVector& v);
jsval ssize_to_jsval(JSContext *cx, ssize_t v);
jsval std_vector_string_to_jsval( JSContext *cx, const std::vector<std::string>& v);
jsval std_vector_int_to_jsval( JSContext *cx, const std::vector<int>& v);
jsval std_vector_float_to_jsval( JSContext *cx, const std::vector<float>& v);
jsval matrix_to_jsval(JSContext *cx, const cocos2d::Mat4& v);
jsval vector2_to_jsval(JSContext *cx, const cocos2d::Vec2& v);
jsval vector3_to_jsval(JSContext *cx, const cocos2d::Vec3& v);
jsval vector4_to_jsval(JSContext *cx, const cocos2d::Vec4& v);
jsval blendfunc_to_jsval(JSContext *cx, const cocos2d::BlendFunc& v);
jsval vector_vec2_to_jsval(JSContext *cx, const std::vector<cocos2d::Vec2>& v);
jsval std_map_string_string_to_jsval(JSContext* cx, const std::map<std::string, std::string>& v);
#endif /* __JS_MANUAL_CONVERSIONS_H__ */
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