C++ js::MutableHandleValue类代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› C++›C++教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了C++中js::MutableHandleValue类的典型用法代码示例。如果您正苦于以下问题：C++ MutableHandleValue类的具体用法？C++ MutableHandleValue怎么用？C++ MutableHandleValue使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了MutableHandleValue类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: rq

template<> void ScriptInterface::ToJSVal<CFixedVector3D>(JSContext* cx, JS::MutableHandleValue ret, const CFixedVector3D& val)
{
	JSAutoRequest rq(cx);

	// apply the Vector3D prototype to the return value;
 	ScriptInterface::CxPrivate* pCxPrivate = ScriptInterface::GetScriptInterfaceAndCBData(cx);
	JS::RootedObject proto(cx, &pCxPrivate->pScriptInterface->GetCachedValue(ScriptInterface::CACHE_VECTOR3DPROTO).toObject());
	JS::RootedObject obj(cx, JS_NewObject(cx, nullptr, proto, JS::NullPtr()));

	if (!obj)
	{
		ret.setUndefined();
		return;
	}

	JS::RootedValue x(cx);
	JS::RootedValue y(cx);
	JS::RootedValue z(cx);
	ToJSVal(cx, &x, val.X);
	ToJSVal(cx, &y, val.Y);
	ToJSVal(cx, &z, val.Z);

	JS_SetProperty(cx, obj, "x", x);
	JS_SetProperty(cx, obj, "y", y);
	JS_SetProperty(cx, obj, "z", z);

	ret.setObject(*obj);
}

开发者ID:，项目名称:，代码行数:28，代码来源:

示例2: ar

bool rs::jsapi::Object::Get(JSContext* cx, JS::HandleObject obj, JS::HandleId id, JS::MutableHandleValue vp) {
    JSAutoRequest ar(cx);
    auto state = Object::GetState(cx, obj);    
    if (state != nullptr && state->getter != nullptr) {
        Value value(cx);
        
        auto name = JSID_TO_STRING(id);
        char nameBuffer[256];
        auto nameLength = JS_EncodeStringToBuffer(cx, name, nameBuffer, sizeof(nameBuffer) - 1);
        
        try {
            value.setUndefined();
            
            if (nameLength < sizeof(nameBuffer)) {
                nameBuffer[nameLength] = '\0';
                state->getter(nameBuffer, value);
            } else {
                std::vector<char> nameVector(nameLength + 1);
                nameLength = JS_EncodeStringToBuffer(cx, name, &nameVector[0], nameVector.size() - 1);
                nameVector[nameLength] = '\0';
                state->getter(&nameVector[0], value);
            }

            vp.set(value);
            return true;
        } catch (const std::exception& ex) {
            JS_ReportError(cx, ex.what());
            return false;
        }
    } else {
        vp.setUndefined();
        return true;
    }
}

开发者ID:dumganhar，项目名称:libjsapi，代码行数:34，代码来源:object.cpp

示例3: MakeContextCurrent

void
WebGL2Context::GetActiveUniformBlockParameter(JSContext* cx, const WebGLProgram& program,
                                              GLuint uniformBlockIndex, GLenum pname,
                                              JS::MutableHandleValue out_retval,
                                              ErrorResult& out_error)
{
    out_retval.setNull();
    if (IsContextLost())
        return;

    if (!ValidateObject("getActiveUniformBlockParameter: program", program))
        return;

    MakeContextCurrent();

    switch(pname) {
    case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
    case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
    case LOCAL_GL_UNIFORM_BLOCK_BINDING:
    case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
    case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
        out_retval.set(program.GetActiveUniformBlockParam(uniformBlockIndex, pname));
        return;

    case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
        out_retval.set(program.GetActiveUniformBlockActiveUniforms(cx, uniformBlockIndex,
                                                                   &out_error));
        return;
    }

    ErrorInvalidEnumInfo("getActiveUniformBlockParameter: parameter", pname);
}

开发者ID:alphan102，项目名称:gecko-dev，代码行数:32，代码来源:WebGL2ContextUniforms.cpp

示例4: ErrorInvalidOperation

void
WebGL2Context::GetSamplerParameter(JSContext*, WebGLSampler* sampler, GLenum pname, JS::MutableHandleValue retval)
{
    if (IsContextLost())
        return;

    if (!sampler || sampler->IsDeleted())
        return ErrorInvalidOperation("getSamplerParameter: invalid sampler");

    if (!ValidateSamplerParameterName(pname, "getSamplerParameter"))
        return;

    retval.set(JS::NullValue());

    switch (pname) {
    case LOCAL_GL_TEXTURE_MIN_FILTER:
    case LOCAL_GL_TEXTURE_MAG_FILTER:
    case LOCAL_GL_TEXTURE_WRAP_S:
    case LOCAL_GL_TEXTURE_WRAP_T:
    case LOCAL_GL_TEXTURE_WRAP_R:
    case LOCAL_GL_TEXTURE_COMPARE_MODE:
    case LOCAL_GL_TEXTURE_COMPARE_FUNC:
        retval.set(JS::Int32Value(
            WebGLContextUnchecked::GetSamplerParameteriv(sampler, pname)));
        return;

    case LOCAL_GL_TEXTURE_MIN_LOD:
    case LOCAL_GL_TEXTURE_MAX_LOD:
        retval.set(JS::Float32Value(
            WebGLContextUnchecked::GetSamplerParameterfv(sampler, pname)));
        return;
    }
}

开发者ID:Nazi-Nigger，项目名称:gecko-dev，代码行数:33，代码来源:WebGL2ContextSamplers.cpp

示例5: JSSetter_volume

bool JSAudioContext::JSSetter_volume(JSContext *cx, JS::MutableHandleValue vp)
{
    if (vp.isNumber()) {
        m_Audio->setVolume((float)vp.toNumber());
    }

    return true;
}

开发者ID:nidium，项目名称:Nidium，代码行数:8，代码来源:JSAudioContext.cpp

示例6: switch

void
WebGL2Context::GetIndexedParameter(JSContext* cx, GLenum target, GLuint index,
                                   JS::MutableHandleValue retval, ErrorResult& out_error)
{
    const char funcName[] = "getIndexedParameter";
    retval.set(JS::NullValue());
    if (IsContextLost())
        return;

    const std::vector<IndexedBufferBinding>* bindings;
    switch (target) {
    case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
    case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
    case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
        bindings = &(mBoundTransformFeedback->mIndexedBindings);
        break;

    case LOCAL_GL_UNIFORM_BUFFER_BINDING:
    case LOCAL_GL_UNIFORM_BUFFER_START:
    case LOCAL_GL_UNIFORM_BUFFER_SIZE:
        bindings = &mIndexedUniformBufferBindings;
        break;

    default:
        ErrorInvalidEnumInfo("getIndexedParameter: target", target);
        return;
    }

    if (index >= bindings->size()) {
        ErrorInvalidValue("%s: `index` must be < %s.", funcName,
                          "MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS");
        return;
    }
    const auto& binding = (*bindings)[index];

    JS::Value ret = JS::NullValue();

    switch (target) {
    case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
    case LOCAL_GL_UNIFORM_BUFFER_BINDING:
        if (binding.mBufferBinding) {
            ret = WebGLObjectAsJSValue(cx, binding.mBufferBinding.get(), out_error);
        }
        break;

    case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
    case LOCAL_GL_UNIFORM_BUFFER_START:
        ret = JS::NumberValue(binding.mRangeStart);
        break;

    case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
    case LOCAL_GL_UNIFORM_BUFFER_SIZE:
        ret = JS::NumberValue(binding.mRangeSize);
        break;
    }

    retval.set(ret);
}

开发者ID:alphan102，项目名称:gecko-dev，代码行数:58，代码来源:WebGL2ContextUniforms.cpp

示例7: rq

template<> void ScriptInterface::ToJSVal<const char*>(JSContext* cx, JS::MutableHandleValue ret, const char* const& val)
{
	JSAutoRequest rq(cx);
	JS::RootedString str(cx, JS_NewStringCopyZ(cx, val));
	if (str)
		ret.setString(str);
	else
		ret.setUndefined();
}

开发者ID:krichter722，项目名称:0ad，代码行数:9，代码来源:ScriptConversions.cpp

示例8: JSSetter_position

bool JSAudioNodeCustomSource::JSSetter_position(JSContext *cx,
                                                JS::MutableHandleValue vp)
{
    if (vp.isNumber()) {
        this->getNode<AudioSourceCustom>()->seek(vp.toNumber());
    }

    return true;
}

开发者ID:nidium，项目名称:Nidium，代码行数:9，代码来源:JSAudioNode.cpp

示例9: GetQuery

void WebGLContext::GetQuery(JSContext* cx, GLenum target, GLenum pname,
                            JS::MutableHandleValue retval) {
  const FuncScope funcScope(*this, "getQuery");

  retval.setNull();
  if (IsContextLost()) return;

  switch (pname) {
    case LOCAL_GL_CURRENT_QUERY_EXT: {
      if (IsExtensionEnabled(WebGLExtensionID::EXT_disjoint_timer_query) &&
          target == LOCAL_GL_TIMESTAMP) {
        // Doesn't seem illegal to ask about, but is always null.
        // TIMESTAMP has no slot, so ValidateQuerySlotByTarget would generate
        // INVALID_ENUM.
        return;
      }

      const auto& slot = ValidateQuerySlotByTarget(target);
      if (!slot || !*slot) return;

      const auto& query = *slot;
      if (target != query->Target()) return;

      JS::Rooted<JS::Value> v(cx);
      dom::GetOrCreateDOMReflector(cx, slot->get(), &v);
      retval.set(v);
    }
      return;

    case LOCAL_GL_QUERY_COUNTER_BITS_EXT:
      if (!IsExtensionEnabled(WebGLExtensionID::EXT_disjoint_timer_query))
        break;

      if (target != LOCAL_GL_TIME_ELAPSED_EXT &&
          target != LOCAL_GL_TIMESTAMP_EXT) {
        ErrorInvalidEnumInfo("target", target);
        return;
      }

      {
        GLint bits = 0;
        gl->fGetQueryiv(target, pname, &bits);

        if (!Has64BitTimestamps() && bits > 32) {
          bits = 32;
        }
        retval.set(JS::Int32Value(bits));
      }
      return;

    default:
      break;
  }

  ErrorInvalidEnumInfo("pname", pname);
}

开发者ID:Noctem，项目名称:gecko-dev，代码行数:56，代码来源:WebGL2ContextQueries.cpp

示例10: GuiPoll

void CNetClient::GuiPoll(JS::MutableHandleValue ret)
{
	if (m_GuiMessageQueue.empty())
	{
		ret.setUndefined();
		return;
	}

	ret.set(m_GuiMessageQueue.front());
	m_GuiMessageQueue.pop_front();
}

开发者ID:joselitofilho，项目名称:0ad，代码行数:11，代码来源:NetClient.cpp

示例11: JS_NewNumberValue

static JSBool
gjs_value_from_gsize(JSContext         *context,
                     gsize              v,
                     JS::MutableHandleValue value_p)
{
    if (v > (gsize) JSVAL_INT_MAX) {
        value_p.set(INT_TO_JSVAL(v));
        return JS_TRUE;
    } else {
        return JS_NewNumberValue(context, v, value_p.address());
    }
}

开发者ID:victoryang，项目名称:gjs，代码行数:12，代码来源:byteArray.cpp

示例12: CallConstructor

void ScriptInterface::CallConstructor(JS::HandleValue ctor, JS::HandleValueArray argv, JS::MutableHandleValue out)
{
	JSAutoRequest rq(m->m_cx);
	if (!ctor.isObject())
	{
		LOGERROR("CallConstructor: ctor is not an object");
		out.setNull();
		return;
	}

	JS::RootedObject ctorObj(m->m_cx, &ctor.toObject());
	out.setObjectOrNull(JS_New(m->m_cx, ctorObj, argv));
}

开发者ID:Rektosauros，项目名称:0ad，代码行数:13，代码来源:ScriptInterface.cpp

示例13: _MozJSCreateFunction

void MozJSImplScope::_MozJSCreateFunction(const char* raw,
                                          ScriptingFunction functionNumber,
                                          JS::MutableHandleValue fun) {
    std::string code = str::stream() << "_funcs" << functionNumber << " = "
                                     << parseJSFunctionOrExpression(_context, StringData(raw));

    JS::CompileOptions co(_context);
    setCompileOptions(&co);

    _checkErrorState(JS::Evaluate(_context, _global, co, code.c_str(), code.length(), fun));
    uassert(10232,
            "not a function",
            fun.isObject() && JS_ObjectIsFunction(_context, fun.toObjectOrNull()));
}

开发者ID:Jaryli，项目名称:mongo，代码行数:14，代码来源:implscope.cpp

示例14: toValue

void IdWrapper::toValue(JS::MutableHandleValue value) const {
    if (isInt()) {
        value.setInt32(toInt32());
        return;
    }

    if (isString()) {
        auto str = JSID_TO_STRING(_value);
        value.setString(str);
        return;
    }

    uasserted(ErrorCodes::BadValue, "Failed to toValue() non-string and non-integer jsid");
}

开发者ID:ShaneHarvey，项目名称:mongo，代码行数:14，代码来源:idwrapper.cpp

示例15: JSGetter_channels

bool JSAudioContext::JSGetter_channels(JSContext *cx, JS::MutableHandleValue vp)
{
    AudioParameters *params = m_Audio->m_OutputParameters;
    vp.setInt32(params->m_Channels);

    return true;
}

开发者ID:nidium，项目名称:Nidium，代码行数:7，代码来源:JSAudioContext.cpp

示例16:

bool
gjs_lookup_interface_constructor(JSContext             *context,
                                 GType                  gtype,
                                 JS::MutableHandleValue value_p)
{
    JSObject *constructor;
    GIBaseInfo *interface_info;

    interface_info = g_irepository_find_by_gtype(NULL, gtype);

    if (interface_info == NULL) {
        gjs_throw(context, "Cannot expose non introspectable interface %s",
                  g_type_name(gtype));
        return false;
    }

    g_assert(g_base_info_get_type(interface_info) ==
             GI_INFO_TYPE_INTERFACE);

    constructor = gjs_lookup_generic_constructor(context, interface_info);
    if (G_UNLIKELY (constructor == NULL))
        return false;

    g_base_info_unref(interface_info);

    value_p.setObject(*constructor);
    return true;
}

开发者ID:GNOME，项目名称:gjs，代码行数:28，代码来源:interface.cpp

示例17:

static JSBool
byte_array_set_index(JSContext         *context,
                     JS::HandleObject obj,
                     ByteArrayInstance *priv,
                     gsize              idx,
                     JS::MutableHandleValue value_p)
{
    guint8 v;

    if (!gjs_value_to_byte(context, value_p, &v)) {
        return JS_FALSE;
    }

    byte_array_ensure_array(priv);

    /* grow the array if necessary */
    if (idx >= priv->array->len) {
        g_byte_array_set_size(priv->array,
                              idx + 1);
    }

    g_array_index(priv->array, guint8, idx) = v;

    /* Stop JS from storing a copy of the value */
    value_p.set(JSVAL_VOID);

    return JS_TRUE;
}

开发者ID:victoryang，项目名称:gjs，代码行数:28，代码来源:byteArray.cpp

示例18: fromStatus

void MongoStatusInfo::fromStatus(JSContext* cx, Status status, JS::MutableHandleValue value) {
    auto scope = getScope(cx);

    JS::RootedValue undef(cx);
    undef.setUndefined();

    JS::AutoValueArray<1> args(cx);
    ValueReader(cx, args[0]).fromStringData(status.reason());
    JS::RootedObject error(cx);
    scope->getProto<ErrorInfo>().newInstance(args, &error);

    JS::RootedObject thisv(cx);
    scope->getProto<MongoStatusInfo>().newObjectWithProto(&thisv, error);
    ObjectWrapper thisvObj(cx, thisv);
    thisvObj.defineProperty(
        InternedString::code,
        undef,
        JSPROP_ENUMERATE | JSPROP_SHARED,
        smUtils::wrapConstrainedMethod<Functions::code, false, MongoStatusInfo>);

    thisvObj.defineProperty(
        InternedString::reason,
        undef,
        JSPROP_ENUMERATE | JSPROP_SHARED,
        smUtils::wrapConstrainedMethod<Functions::reason, false, MongoStatusInfo>);

    JS_SetPrivate(thisv, scope->trackedNew<Status>(std::move(status)));

    value.setObjectOrNull(thisv);
}

开发者ID:i80and，项目名称:mongo，代码行数:30，代码来源:status.cpp

示例19: ar

/**
 * gjs_string_from_ucs4:
 * @cx: a #JSContext
 * @ucs4_string: string of #gunichar
 * @n_chars: number of characters in @ucs4_string or -1 for zero-terminated
 * @value_p: JS::Value that will be filled with a string
 *
 * Returns: true on success, false otherwise in which case a JS error is thrown
 */
bool
gjs_string_from_ucs4(JSContext             *cx,
                     const gunichar        *ucs4_string,
                     ssize_t                n_chars,
                     JS::MutableHandleValue value_p)
{
    long u16_string_length;
    GError *error = NULL;

    char16_t *u16_string =
        reinterpret_cast<char16_t *>(g_ucs4_to_utf16(ucs4_string, n_chars, NULL,
                                                     &u16_string_length, &error));
    if (!u16_string) {
        gjs_throw(cx, "Failed to convert UCS-4 string to UTF-16: %s",
                  error->message);
        g_error_free(error);
        return false;
    }

    JSAutoRequest ar(cx);
    /* Avoid a copy - assumes that g_malloc == js_malloc == malloc */
    JS::RootedString str(cx, JS_NewUCString(cx, u16_string, u16_string_length));

    if (!str) {
        gjs_throw(cx, "Failed to convert UCS-4 string to UTF-16");
        return false;
    }

    value_p.setString(str);
    return true;
}

开发者ID:leigh123linux，项目名称:cjs，代码行数:40，代码来源:jsapi-util-string.cpp

示例20: std_map_string_string_to_jsval

    void std_map_string_string_to_jsval(JSContext* cx, const std::map<std::string, std::string>& v, JS::MutableHandleValue retVal) {
        JS::RootedObject proto(cx);
        JS::RootedObject parent(cx);
#if defined(MOZJS_MAJOR_VERSION) and MOZJS_MAJOR_VERSION >= 52
        JS::RootedObject jsRet(cx, JS_NewObject(cx, NULL));
#elif defined(MOZJS_MAJOR_VERSION) and MOZJS_MAJOR_VERSION >= 26
        JS::RootedObject jsRet(cx, JS_NewObject(cx, NULL, proto, parent));
#else
        JSObject *jsRet = JS_NewObject(cx, NULL, NULL, NULL);
#endif

        for (auto iter = v.begin(); iter != v.end(); ++iter) {
#if defined(MOZJS_MAJOR_VERSION) and MOZJS_MAJOR_VERSION >= 26
            JS::RootedValue element(cx);
#else
            jsval element;
#endif

            std::string key = iter->first;
            std::string val = iter->second;

            JSString* jsstr = JS_NewStringCopyZ(cx, val.c_str());
            element = JS::StringValue(jsstr);

            if (!key.empty()) {
#if defined(MOZJS_MAJOR_VERSION) and MOZJS_MAJOR_VERSION >= 26
                JS_SetProperty(cx, jsRet, key.c_str(), element);
#else
                JS_SetProperty(cx, jsRet, key.c_str(), &element);
#endif
            }
        }

        retVal.set(JS::ObjectOrNullValue(jsRet.get()));
    }

开发者ID:sdkbox，项目名称:sdkbox-sample-appnext，代码行数:35，代码来源:SDKBoxJSHelper.cpp

注：本文中的js::MutableHandleValue类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。