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C++ Handle::IsString方法代码示例

本文整理汇总了C++中v8::Handle::IsString方法的典型用法代码示例。如果您正苦于以下问题：C++ Handle::IsString方法的具体用法？C++ Handle::IsString怎么用？C++ Handle::IsString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::IsString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: v8NonStringValueToWebCoreString

String v8NonStringValueToWebCoreString(v8::Handle<v8::Value> object)
{
    ASSERT(!object->IsString());
    if (object->IsInt32()) {
        int value = object->Int32Value();
        // Most numbers used are <= 100. Even if they aren't used there's very little in using the space.
        const int kLowNumbers = 100;
        static AtomicString lowNumbers[kLowNumbers + 1];
        String webCoreString;
        if (0 <= value && value <= kLowNumbers) {
            webCoreString = lowNumbers[value];
            if (!webCoreString) {
                AtomicString valueString = AtomicString(String::number(value));
                lowNumbers[value] = valueString;
                webCoreString = valueString;
            }
        } else
            webCoreString = String::number(value);
        return webCoreString;
    }

    v8::TryCatch block;
    v8::Handle<v8::String> v8String = object->ToString();
    // Handle the case where an exception is thrown as part of invoking toString on the object.
    if (block.HasCaught()) {
        throwError(block.Exception());
        return StringImpl::empty();
    }
    return v8StringToWebCoreString<String>(v8String, DoNotExternalize);
}
开发者ID:matthiasbock，项目名称:Samsung-GT-S6102-platform，代码行数:30，代码来源:V8Binding.cpp

示例2: 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3: toString

static std::string toString(v8::Handle<v8::Value> str)
{
  if (!str->IsString())
    return "";
  v8::String::Utf8Value value(str);
  return *value;
}
开发者ID:arnaudcoquelet，项目名称:oss_core，代码行数:7，代码来源:JSBase.cpp

示例4: v8ValueToAtomicWebCoreString

AtomicString v8ValueToAtomicWebCoreString(v8::Handle<v8::Value> v8Value)
{
    if (v8Value->IsString())
        return v8StringToAtomicWebCoreString(v8::Handle<v8::String>::Cast(v8Value));
    String string = v8ValueToWebCoreString(v8Value);
    return AtomicString(string);
}
开发者ID:tomagoyaky，项目名称:ComponentSuperAccessor，代码行数:7，代码来源:V8Binding.cpp

示例5: isArgumentNull

bool Util::isArgumentNull(const v8::Handle<v8::Value> value) {
    if (value->IsString() && value->ToString()->Length() > 0) {
        return false;
    } else {
        return true;
    }
}
开发者ID:bylee，项目名称:cantata-jsbind，代码行数:7，代码来源:tizenair-util.cpp

示例6: go

std::string jsHistory::go(v8::Handle<v8::Value> pos)
{
    string retval = "";

    if (pos->IsInt32()) {
        // process offset
        int offs = pos->Int32Value();
        offs += index;
        if (offs > 0 && offs < (int)history.size()) {
            index = offs;
            retval = history[index];
            if (window != NULL) {
                window->load(retval);
            }
        }
    } else if (pos->IsString()) {
        // search for substring
        string srch = value_to_string(Local<Value>::New(pos));
        for( size_t i = 0 ; i < history.size(); ++i) {
            if (history[i].find(srch) != string::npos) {
                index = i;
                retval = history[index];
                if (window != NULL) {
                    window->load(retval);
                }
                break;
            }
        }
    }

    return retval;
}
开发者ID:abhishekbhalani，项目名称:webapptools，代码行数:32，代码来源:jsWindow.cpp

示例7: ParseEncoding

enum encoding ParseEncoding(v8::Handle<v8::Value> encoding_v, enum encoding _default) {
  v8::HandleScope scope;

  if (!encoding_v->IsString()) return _default;

  v8::String::Utf8Value encoding(encoding_v->ToString());

  if (strcasecmp(*encoding, "utf8") == 0) {
    return UTF8;
  } else if (strcasecmp(*encoding, "utf-8") == 0) {
    return UTF8;
  } else if (strcasecmp(*encoding, "ascii") == 0) {
    return ASCII;
  } else if (strcasecmp(*encoding, "binary") == 0) {
    return BINARY;
  } else if (strcasecmp(*encoding, "raw") == 0) {
    fprintf(stderr, "'raw' (array of integers) has been removed. "
                    "Use 'binary'.\n");
    return BINARY;
  } else if (strcasecmp(*encoding, "raws") == 0) {
    fprintf(stderr, "'raws' encoding has been renamed to 'binary'. "
                    "Please update your code.\n");
    return BINARY;
  } else {
    return _default;
  }
}
开发者ID:ChenChris，项目名称:platform_hardware_ril，代码行数:27，代码来源:node_util.cpp

示例8: jsvalToString

static std::string jsvalToString(const v8::Handle<v8::Value>& str)
{
  if (!str->IsString())
    return "";
  v8::String::Utf8Value value(str);
  return *value;
}
开发者ID:joegen，项目名称:oss_core，代码行数:7，代码来源:TestV8Engine.cpp

示例9: jsValToString

std::string SBController::jsValToString(const v8::Handle<v8::Value>& str)
{
  if (!str->IsString())
    return "";
  v8::String::Utf8Value value(str);
  return *value;
}
开发者ID:ezuce，项目名称:sipXsbc，代码行数:7，代码来源:SBController.cpp

示例10: get

static bool get(v8::Handle<v8::Value>& object, const String& keyPathElement, v8::Handle<v8::Value>& result, v8::Isolate* isolate)
{
    if (object->IsString() && keyPathElement == "length") {
        int32_t length = v8::Handle<v8::String>::Cast(object)->Length();
        result = v8::Number::New(isolate, length);
        return true;
    }
    return object->IsObject() && getValueFrom(v8String(isolate, keyPathElement), result);
}
开发者ID:Metrological，项目名称:chromium，代码行数:9，代码来源:IDBBindingUtilities.cpp

示例11: create

PassRefPtr<IDBKey> createIDBKeyFromValue(v8::Handle<v8::Value> value)
{
    if (value->IsNull())
        return IDBKey::create();
    if (value->IsInt32())
        return IDBKey::create(value->Int32Value());
    if (value->IsString())
        return IDBKey::create(v8ValueToWebCoreString(value));
    // FIXME: Implement dates.
    return 0;
}
开发者ID:，项目名称:，代码行数:11，代码来源:

示例12: 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13: 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14: create

static PassRefPtr<CanvasStyle> toCanvasStyle(v8::Handle<v8::Value> value)
{
    if (value->IsString())
        return CanvasStyle::create(toWebCoreString(value));

    if (V8CanvasGradient::HasInstance(value))
        return CanvasStyle::create(V8CanvasGradient::toNative(v8::Handle<v8::Object>::Cast(value)));

    if (V8CanvasPattern::HasInstance(value))
        return CanvasStyle::create(V8CanvasPattern::toNative(v8::Handle<v8::Object>::Cast(value)));

    return 0;
}
开发者ID:mikezit，项目名称:Webkit_Code，代码行数:13，代码来源:V8CanvasRenderingContext2DCustom.cpp

示例15: create

static PassRefPtr<CanvasStyle> toCanvasStyle(v8::Handle<v8::Value> value)
{
    if (value->IsString())
        return CanvasStyle::create(toWebCoreString(value));

    if (V8CanvasGradient::HasInstance(value))
        return CanvasStyle::create(V8Proxy::DOMWrapperToNative<CanvasGradient>(value));

    if (V8CanvasPattern::HasInstance(value))
        return CanvasStyle::create(V8Proxy::DOMWrapperToNative<CanvasPattern>(value));

    return 0;
}
开发者ID:jackiekaon，项目名称:owb-mirror，代码行数:13，代码来源:V8CanvasRenderingContext2DCustom.cpp


注：本文中的v8::Handle::IsString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。