/* * Created by Rohan Kuruvilla * Copyright (c) 2012 Zynga Inc. * Copyright (c) 2013-2014 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 "js_bindings_core.h" #include "js_bindings_config.h" #include "cocos2d.h" #include "spidermonkey_specifics.h" #include "mozilla/Maybe.h" #define JSB_COMPATIBLE_WITH_COCOS2D_HTML5_BASIC_TYPES // 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(); bool invoke(unsigned int argc, jsval *argv, JS::MutableHandleValue rval); private: JSContext *_cx; mozilla::Maybe _jsthis; mozilla::Maybe _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_long_long(JSContext *cx, JS::HandleValue v, long long* ret); 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); // forward declaration js_proxy_t* jsb_get_js_proxy(JS::HandleObject jsObj); template bool jsvals_variadic_to_ccvector( JSContext *cx, /*jsval *vp, int argc,*/const JS::CallArgs& args, cocos2d::Vector* ret) { bool ok = true; for (int 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 bool jsval_to_ccvector(JSContext* cx, JS::HandleValue v, cocos2d::Vector* 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); bool jsval_to_std_vector_string( JSContext *cx, JS::HandleValue vp, std::vector* ret); bool jsval_to_std_vector_int( JSContext *cx, JS::HandleValue vp, std::vector* ret); bool jsval_to_std_vector_float( JSContext *cx, JS::HandleValue vp, std::vector* 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* 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* ret); bool jsval_to_std_map_string_string(JSContext* cx, JS::HandleValue v, std::map* ret); template bool jsval_to_ccmap_string_key(JSContext *cx, JS::HandleValue v, cocos2d::Map* 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 long_long_to_jsval(JSContext* cx, long long v); 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); template js_proxy_t *js_get_or_create_proxy(JSContext *cx, T *native_obj); template jsval ccvector_to_jsval(JSContext* cx, const cocos2d::Vector& 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_proxy_t* jsproxy = js_get_or_create_proxy(cx, obj); if (jsproxy) { arrElement = OBJECT_TO_JSVAL(jsproxy->obj); } if (!JS_SetElement(cx, jsretArr, i, arrElement)) { break; } ++i; } return OBJECT_TO_JSVAL(jsretArr); } template jsval ccmap_string_key_to_jsval(JSContext* cx, const cocos2d::Map& 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_proxy_t* jsproxy = js_get_or_create_proxy(cx, obj); if (jsproxy) { element = OBJECT_TO_JSVAL(jsproxy->obj); } 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& v); jsval std_vector_int_to_jsval( JSContext *cx, const std::vector& v); jsval std_vector_float_to_jsval( JSContext *cx, const std::vector& 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& v); jsval std_map_string_string_to_jsval(JSContext* cx, const std::map& v); #endif /* __JS_MANUAL_CONVERSIONS_H__ */