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C++ Handle::IsNumber方法代码示例

本文整理汇总了C++中v8::Handle::IsNumber方法的典型用法代码示例。如果您正苦于以下问题：C++ Handle::IsNumber方法的具体用法？C++ Handle::IsNumber怎么用？C++ Handle::IsNumber使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类v8::Handle的用法示例。


在下文中一共展示了Handle::IsNumber方法的15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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createNumber

static PassRefPtr<IDBKey> createIDBKeyFromValue(v8::Handle<v8::Value> value, Vector<v8::Handle<v8::Array> >& stack, v8::Isolate* isolate)
{
    if (value->IsNumber() && !std::isnan(value->NumberValue()))
        return IDBKey::createNumber(value->NumberValue());
    if (value->IsString())
        return IDBKey::createString(toCoreString(value.As<v8::String>()));
    if (value->IsDate() && !std::isnan(value->NumberValue()))
        return IDBKey::createDate(value->NumberValue());
    if (value->IsArray()) {
        v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);

        if (stack.contains(array))
            return 0;
        if (stack.size() >= maximumDepth)
            return 0;
        stack.append(array);

        IDBKey::KeyArray subkeys;
        uint32_t length = array->Length();
        for (uint32_t i = 0; i < length; ++i) {
            v8::Local<v8::Value> item = array->Get(v8::Int32::New(i, isolate));
            RefPtr<IDBKey> subkey = createIDBKeyFromValue(item, stack, isolate);
            if (!subkey)
                subkeys.append(IDBKey::createInvalid());
            else
                subkeys.append(subkey);
        }

        stack.removeLast();
        return IDBKey::createArray(subkeys);
    }
    return 0;
}
开发者ID:Metrological，项目名称:chromium，代码行数:33，代码来源:IDBBindingUtilities.cpp

示例2: operator

 inline bool operator()( v8::Handle<v8::Value> const & h ) const
 {
     if( h.IsEmpty() || ! h->IsNumber() ) return false;
     else
     {
         double const dv( h->NumberValue() );
         return (dv >= std::numeric_limits<NumT>::min())
             && (dv <= std::numeric_limits<NumT>::max());
     }
 }
开发者ID:RocketAlien，项目名称:node-geohash-cpp，代码行数:10，代码来源:arguments.hpp

示例3: decodeDouble

bool decodeDouble(v8::Handle<v8::Value> toDecode, double& toDecodeTo, String& errMsg)
{
    if (! toDecode->IsNumber())
    {
        errMsg += "  Could not decode as number.";
        return false;
    }

    toDecodeTo = toDecode->ToNumber()->Value();
    return true;
}
开发者ID:AsherBond，项目名称:sirikata，代码行数:11，代码来源:JSObjectsUtils.cpp

示例4: decodeInt64

bool decodeInt64(v8::Handle<v8::Value> toDecode, int64& toDecodeTo, String& errMsg)
{
    if (! toDecode->IsNumber())
    {
        errMsg += "  Could not decode as integer.";
        return false;
    }

    toDecodeTo = toDecode->ToNumber()->Value();
    return true;
}
开发者ID:AsherBond，项目名称:sirikata，代码行数:11，代码来源:JSObjectsUtils.cpp

示例5: null

static PassRefPtr<JSONValue> v8ToJSONValue(v8::Handle<v8::Value> value, int maxDepth, v8::Isolate* isolate)
{
    if (value.IsEmpty()) {
        ASSERT_NOT_REACHED();
        return 0;
    }

    if (!maxDepth)
        return 0;
    maxDepth--;

    if (value->IsNull() || value->IsUndefined())
        return JSONValue::null();
    if (value->IsBoolean())
        return JSONBasicValue::create(value->BooleanValue());
    if (value->IsNumber())
        return JSONBasicValue::create(value->NumberValue());
    if (value->IsString())
        return JSONString::create(toCoreString(value.As<v8::String>()));
    if (value->IsArray()) {
        v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);
        RefPtr<JSONArray> inspectorArray = JSONArray::create();
        uint32_t length = array->Length();
        for (uint32_t i = 0; i < length; i++) {
            v8::Local<v8::Value> value = array->Get(v8::Int32::New(isolate, i));
            RefPtr<JSONValue> element = v8ToJSONValue(value, maxDepth, isolate);
            if (!element)
                return 0;
            inspectorArray->pushValue(element);
        }
        return inspectorArray;
    }
    if (value->IsObject()) {
        RefPtr<JSONObject> jsonObject = JSONObject::create();
        v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
        v8::Local<v8::Array> propertyNames = object->GetPropertyNames();
        uint32_t length = propertyNames->Length();
        for (uint32_t i = 0; i < length; i++) {
            v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(isolate, i));
            // FIXME(yurys): v8::Object should support GetOwnPropertyNames
            if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name)))
                continue;
            RefPtr<JSONValue> propertyValue = v8ToJSONValue(object->Get(name), maxDepth, isolate);
            if (!propertyValue)
                return 0;
            V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(V8StringResource<WithNullCheck>, nameString, name, 0);
            jsonObject->setValue(nameString, propertyValue);
        }
        return jsonObject;
    }
    ASSERT_NOT_REACHED();
    return 0;
}
开发者ID:Tkkg1994，项目名称:Platfrom-kccat6，代码行数:53，代码来源:ScriptValue.cpp

示例6: TRI_ObjectToDouble

double TRI_ObjectToDouble (v8::Handle<v8::Value> value) {
  if (value->IsNumber()) {
    return value->ToNumber()->Value();
  }

  if (value->IsNumberObject()) {
    v8::Handle<v8::NumberObject> no = v8::Handle<v8::NumberObject>::Cast(value);
    return no->NumberValue();
  }

  return 0.0;
}
开发者ID:santanu1122，项目名称:ArangoDB，代码行数:12，代码来源:v8-conv.cpp

示例7: return

int64_t TRI_ObjectToInt64 (v8::Handle<v8::Value> value) {
  if (value->IsNumber()) {
    return (int64_t) value->ToNumber()->Value();
  }

  if (value->IsNumberObject()) {
    v8::Handle<v8::NumberObject> no = v8::Handle<v8::NumberObject>::Cast(value);
    return (int64_t) no->NumberValue();
  }

  return 0;
}
开发者ID:santanu1122，项目名称:ArangoDB，代码行数:12，代码来源:v8-conv.cpp

示例8: null

static PassRefPtr<InspectorValue> v8ToInspectorValue(v8::Handle<v8::Value> value, int maxDepth)
{
    if (value.IsEmpty()) {
        ASSERT_NOT_REACHED();
        return 0;
    }

    if (!maxDepth)
        return 0;
    maxDepth--;

    if (value->IsNull() || value->IsUndefined())
        return InspectorValue::null();
    if (value->IsBoolean())
        return InspectorBasicValue::create(value->BooleanValue());
    if (value->IsNumber())
        return InspectorBasicValue::create(value->NumberValue());
    if (value->IsString())
        return InspectorString::create(toWebCoreString(value));
    if (value->IsArray()) {
        v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(value);
        RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
        uint32_t length = array->Length();
        for (uint32_t i = 0; i < length; i++) {
            v8::Local<v8::Value> value = array->Get(v8::Int32::New(i));
            RefPtr<InspectorValue> element = v8ToInspectorValue(value, maxDepth);
            if (!element)
                return 0;
            inspectorArray->pushValue(element);
        }
        return inspectorArray;
    }
    if (value->IsObject()) {
        RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
        v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
        v8::Local<v8::Array> propertyNames = object->GetPropertyNames();
        uint32_t length = propertyNames->Length();
        for (uint32_t i = 0; i < length; i++) {
            v8::Local<v8::Value> name = propertyNames->Get(v8::Int32::New(i));
            // FIXME(yurys): v8::Object should support GetOwnPropertyNames
            if (name->IsString() && !object->HasRealNamedProperty(v8::Handle<v8::String>::Cast(name)))
                continue;
            RefPtr<InspectorValue> propertyValue = v8ToInspectorValue(object->Get(name), maxDepth);
            if (!propertyValue)
                return 0;
            inspectorObject->setValue(toWebCoreStringWithNullCheck(name), propertyValue);
        }
        return inspectorObject;
    }
    ASSERT_NOT_REACHED();
    return 0;
}
开发者ID:Channely，项目名称:know-your-chrome，代码行数:52，代码来源:ScriptValue.cpp

示例9: createNull

PassRefPtr<IDBKey> createIDBKeyFromValue(v8::Handle<v8::Value> value)
{
    if (value->IsNull())
        return IDBKey::createNull();
    if (value->IsNumber())
        return IDBKey::createNumber(value->NumberValue());
    if (value->IsString())
        return IDBKey::createString(v8ValueToWebCoreString(value));
    if (value->IsDate())
        return IDBKey::createDate(value->NumberValue());

    return 0; // Signals type error.
}
开发者ID:0omega，项目名称:platform_external_webkit，代码行数:13，代码来源:IDBBindingUtilities.cpp

示例10: wrapJSObject

jobject wrapJSObject(JNIEnv *pEnv, v8::Handle<v8::Value> value)
{
  v8::HandleScope handle_scope;

  if (value.IsEmpty() || value->IsNull() || value->IsUndefined()) return NULL;
  if (value->IsTrue()) return NewBoolean(pEnv, JNI_TRUE);
  if (value->IsFalse()) return NewBoolean(pEnv, JNI_FALSE);

  if (value->IsInt32()) return NewInt(pEnv, value->Int32Value());
  if (value->IsUint32()) return NewLong(pEnv, value->IntegerValue());
  if (value->IsString()) return NewString(pEnv, v8::Handle<v8::String>::Cast(value));
  if (value->IsDate()) return NewDate(pEnv, v8::Handle<v8::Date>::Cast(value));
  if (value->IsNumber()) return NewDouble(pEnv, value->NumberValue());

//  return wrap(value->ToObject());
  return NULL;
}
开发者ID:aster-anto，项目名称:adblockplusandroid，代码行数:17，代码来源:wrap.cpp

示例11: if

    Object^ V8Interop::FromV8(v8::Handle<v8::Value> value) 
    {
        if (value->IsString()) 
        {
            return FromV8String(value);
        } 
        else if (value->IsBoolean()) 
        {
            return FromV8Boolean(value);
        } 
        else if (value->IsInt32()) 
        {
            return FromV8Int32(value);
        } 
        else if (value->IsArray()) 
        {
            return FromV8Array(value);
        } 
        else if (value->IsDate()) 
        {
            return FromV8Date(value);
        } 
        else if (value->IsNumber()) 
        {
            return FromV8Double(value);
        } 
        else if (value->IsFunction()) 
        {
            return FromV8Function(value);
        } 
        else if (value->IsExternal()) 
        {
            return FromV8External(value);
        } 
        else if (value->IsObject()) 
        {
            return FromV8Object(value);
        } 
        else if (value->IsUndefined() || value->IsNull()) 
        {
            return nullptr;
        }

        return nullptr;
    }
开发者ID:JohnLou，项目名称:node.net，代码行数:45，代码来源:v8value.cpp

示例12: QJsonValue

QJsonValue QV8JsonWrapper::toJsonValue(v8::Handle<v8::Value> value,
                                       V8ObjectSet &visitedObjects)
{
    if (value->IsString())
        return QJsonValue(QJSConverter::toString(value.As<v8::String>()));
    else if (value->IsNumber())
        return QJsonValue(value->NumberValue());
    else if (value->IsBoolean())
        return QJsonValue(value->BooleanValue());
    else if (value->IsArray())
        return toJsonArray(value.As<v8::Array>(), visitedObjects);
    else if (value->IsObject())
        return toJsonObject(value.As<v8::Object>(), visitedObjects);
    else if (value->IsNull())
        return QJsonValue(QJsonValue::Null);
    else
        return QJsonValue(QJsonValue::Undefined);
}
开发者ID:SamuelNevala，项目名称:qtdeclarative，代码行数:18，代码来源:qv8jsonwrapper.cpp

示例13: GetTmMSecs

uint64 TNodeJsUtil::GetTmMSecs(v8::Handle<v8::Value>& Value) {
	v8::Isolate* Isolate = v8::Isolate::GetCurrent();
	v8::HandleScope HandleScope(Isolate);

	if (Value->IsDate()) {
		v8::Local<v8::Date> Date = v8::Handle<v8::Date>::Cast(Value);
		return GetTmMSecs(Date);
	}
	else if (Value->IsString()) {
		v8::String::Utf8Value Utf8(Value);
		TTm Tm = TTm::GetTmFromWebLogDateTimeStr(TStr(*Utf8), '-', ':', '.', 'T');
		return TTm::GetMSecsFromTm(Tm);
	}
	else {
		EAssertR(Value->IsNumber(), "Date is not in a representation of a string, date or number!");
		return GetCppTimestamp(int64(Value->NumberValue()));
	}
}
开发者ID:amrsobhy，项目名称:qminer，代码行数:18，代码来源:nodeutil.cpp

示例14: CanConvert

bool CJavaFunction::CanConvert(jclass clazz, v8::Handle<v8::Value> value)
{
  jni::V8Env env(m_pEnv);

  if (value->IsTrue() || value->IsFalse() || value->IsBoolean())
  {
    return env.IsAssignableFrom(env.buildins.java.lang.Boolean, clazz);
  }
  else if (value->IsInt32() || value->IsUint32())
  {
    return env.IsAssignableFrom(env.buildins.java.lang.Long, clazz) ||
           env.IsAssignableFrom(env.buildins.java.lang.Integer, clazz) ||
           env.IsAssignableFrom(env.buildins.java.lang.Short, clazz) ||
           env.IsAssignableFrom(env.buildins.java.lang.Byte, clazz);
  }
  else if (value->IsNumber())
  {
    return env.IsAssignableFrom(env.buildins.java.lang.Double, clazz) ||
           env.IsAssignableFrom(env.buildins.java.lang.Float, clazz);
  }
  else if (value->IsString())
  {
    return env.IsAssignableFrom(env.buildins.java.lang.String, clazz);
  }
  else if (value->IsDate())
  {
    return env.IsAssignableFrom(env.buildins.java.util.Date, clazz);
  }
  else if (value->IsArray())
  {
    return env.IsAssignableFrom(env.buildins.lu.flier.script.V8Array, clazz);
  }
  else if (value.IsEmpty() || value->IsNull() || value->IsUndefined() || value->IsObject())
  {
    return true;
  }
  
  return false;
}
开发者ID:pix，项目名称:jav8，代码行数:39，代码来源:Wrapper.cpp

示例15: Value

static Value v8ValueToValue(v8::Handle<v8::Value> v8Value)
{
    v8::HandleScope scope;
    if (v8Value->IsArray()) {
        List<Value> value;
        const v8::Handle<v8::Array> v8Array = v8::Handle<v8::Array>::Cast(v8Value);
        const uint32_t size = v8Array->Length();
        for (uint32_t i = 0; i < size; ++i) {
            if (v8Array->Has(i))
                value.append(v8ValueToValue(v8Array->Get(i)));
            else
                value.append(Value());
        }
        return Value(value);
    } else if (v8Value->IsObject()) {
        Map<String, Value> value;
        const v8::Handle<v8::Object> v8Object = v8Value->ToObject();
        const v8::Handle<v8::Array> props = v8Object->GetPropertyNames();
        const uint32_t size = props->Length();
        for (uint32_t i = 0; i < size; ++i) {
            assert(props->Has(i));
            const v8::Handle<v8::Value> name = props->Get(i);
            value[String(*v8::String::Utf8Value(name))] = v8ValueToValue(v8Object->Get(name));
        }
        return Value(value);
    } else if (v8Value->IsBoolean()) {
        return Value(v8Value->BooleanValue());
    } else if (v8Value->IsInt32() || v8Value->IsUint32()) {
        return Value(v8Value->Int32Value());
    } else if (v8Value->IsNumber()) {
        return Value(v8Value->NumberValue());
    } else if (v8Value->IsString()) {
        return Value(String(*v8::String::Utf8Value(v8Value)));
    } else {
        error() << "Unexpected v8 value type in JSONParser";
    }
    // undefined or null?
    return Value();
}
开发者ID:Silex，项目名称:rtags，代码行数:39，代码来源:JSONParser.cpp


注：本文中的v8::Handle::IsNumber方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。