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C++ JSValue::isBoolean方法代码示例

本文整理汇总了C++中JSValue::isBoolean方法的典型用法代码示例。如果您正苦于以下问题：C++ JSValue::isBoolean方法的具体用法？C++ JSValue::isBoolean怎么用？C++ JSValue::isBoolean使用的例子？那么, 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JSValue的用法示例。


在下文中一共展示了JSValue::isBoolean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: JSValueIsBoolean

bool JSValueIsBoolean(JSContextRef ctx, JSValueRef value)
{
    if (!ctx) {
        ASSERT_NOT_REACHED();
        return false;
    }
    ExecState* exec = toJS(ctx);
    JSLockHolder locker(exec);

    JSValue jsValue = toJS(exec, value);
    return jsValue.isBoolean();
}
开发者ID:PTaylour，项目名称:webkit，代码行数:12，代码来源:JSValueRef.cpp

示例2: null

static PassRefPtr<InspectorValue> jsToInspectorValue(ScriptState* scriptState, JSValue value, int maxDepth)
{
    if (!value) {
        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.asBoolean());
    if (value.isNumber())
        return InspectorBasicValue::create(value.asNumber());
    if (value.isString()) {
        String s = value.getString(scriptState);
        return InspectorString::create(String(s.characters(), s.length()));
    }
    if (value.isObject()) {
        if (isJSArray(value)) {
            RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
            JSArray* array = asArray(value);
            unsigned length = array->length();
            for (unsigned i = 0; i < length; i++) {
                JSValue element = array->getIndex(scriptState, i);
                RefPtr<InspectorValue> elementValue = jsToInspectorValue(scriptState, element, maxDepth);
                if (!elementValue)
                    return 0;
                inspectorArray->pushValue(elementValue);
            }
            return inspectorArray;
        }
        RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
        JSObject* object = value.getObject();
        PropertyNameArray propertyNames(scriptState);
        object->methodTable()->getOwnPropertyNames(object, scriptState, propertyNames, ExcludeDontEnumProperties);
        for (size_t i = 0; i < propertyNames.size(); i++) {
            const Identifier& name =  propertyNames[i];
            JSValue propertyValue = object->get(scriptState, name);
            RefPtr<InspectorValue> inspectorValue = jsToInspectorValue(scriptState, propertyValue, maxDepth);
            if (!inspectorValue)
                return 0;
            inspectorObject->setValue(String(name.characters(), name.length()), inspectorValue);
        }
        return inspectorObject;
    }
    ASSERT_NOT_REACHED();
    return 0;
}
开发者ID:3163504123，项目名称:phantomjs，代码行数:52，代码来源:ScriptValue.cpp

示例3: predictionFromValue

PredictedType predictionFromValue(JSValue value)
{
    if (value.isInt32())
        return PredictInt32;
    if (value.isDouble())
        return PredictDouble;
    if (value.isCell())
        return predictionFromCell(value.asCell());
    if (value.isBoolean())
        return PredictBoolean;
    ASSERT(value.isUndefinedOrNull());
    return PredictOther;
}
开发者ID:sysrqb，项目名称:chromium-src，代码行数:13，代码来源:PredictedType.cpp

示例4: null

static PassRefPtr<InspectorValue> jsToInspectorValue(ScriptState* scriptState, JSValue value)
{
    if (!value) {
        ASSERT_NOT_REACHED();
        return 0;
    }
    if (value.isNull() || value.isUndefined())
        return InspectorValue::null();
    if (value.isBoolean())
        return InspectorBasicValue::create(value.getBoolean());
    if (value.isNumber())
        return InspectorBasicValue::create(value.uncheckedGetNumber());
    if (value.isString()) {
        UString s = value.getString(scriptState);
        return InspectorString::create(String(s.characters(), s.length()));
    }
    if (value.isObject()) {
        if (isJSArray(&scriptState->globalData(), value)) {
            RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
            JSArray* array = asArray(value);
            unsigned length = array->length();
            for (unsigned i = 0; i < length; i++) {
                JSValue element = array->getIndex(i);
                RefPtr<InspectorValue> elementValue = jsToInspectorValue(scriptState, element);
                if (!elementValue) {
                    ASSERT_NOT_REACHED();
                    elementValue = InspectorValue::null();
                }
                inspectorArray->pushValue(elementValue);
            }
            return inspectorArray;
        }
        RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
        JSObject* object = value.getObject();
        PropertyNameArray propertyNames(scriptState);
        object->getOwnPropertyNames(scriptState, propertyNames);
        for (size_t i = 0; i < propertyNames.size(); i++) {
            const Identifier& name =  propertyNames[i];
            JSValue propertyValue = object->get(scriptState, name);
            RefPtr<InspectorValue> inspectorValue = jsToInspectorValue(scriptState, propertyValue);
            if (!inspectorValue) {
                ASSERT_NOT_REACHED();
                inspectorValue = InspectorValue::null();
            }
            inspectorObject->setValue(String(name.characters(), name.length()), inspectorValue);
        }
        return inspectorObject;
    }
    ASSERT_NOT_REACHED();
    return 0;
}
开发者ID:azrul2202，项目名称:WebKit-Smartphone，代码行数:51，代码来源:ScriptValue.cpp

示例5: predictionIsValid

inline bool predictionIsValid(JSGlobalData* globalData, JSValue value, PredictedType type)
{
    // this takes into account only local variable predictions that get enforced
    // on SetLocal.
    
    if (isInt32Prediction(type))
        return value.isInt32();
    
    if (isArrayPrediction(type))
        return isJSArray(globalData, value);
    
    if (isBooleanPrediction(type))
        return value.isBoolean();
    
    return true;
}
开发者ID:emuikernel，项目名称:EAWebKit，代码行数:16，代码来源:DFGOSREntry.cpp

示例6: predictionFromValue

PredictedType predictionFromValue(JSValue value)
{
    if (value.isInt32())
        return PredictInt32;
    if (value.isDouble()) {
        double number = value.asNumber();
        if (number == number)
            return PredictDoubleReal;
        return PredictDoubleNaN;
    }
    if (value.isCell())
        return predictionFromCell(value.asCell());
    if (value.isBoolean())
        return PredictBoolean;
    ASSERT(value.isUndefinedOrNull());
    return PredictOther;
}
开发者ID:，项目名称:，代码行数:17，代码来源:

示例7: convertJSValueToNPVariant

void NPRuntimeObjectMap::convertJSValueToNPVariant(ExecState* exec, JSValue value, NPVariant& variant)
{
    JSLock lock(SilenceAssertionsOnly);

    VOID_TO_NPVARIANT(variant);
    
    if (value.isNull()) {
        NULL_TO_NPVARIANT(variant);
        return;
    }

    if (value.isUndefined()) {
        VOID_TO_NPVARIANT(variant);
        return;
    }

    if (value.isBoolean()) {
        BOOLEAN_TO_NPVARIANT(value.toBoolean(exec), variant);
        return;
    }

    if (value.isNumber()) {
        DOUBLE_TO_NPVARIANT(value.toNumber(exec), variant);
        return;
    }

    if (value.isString()) {
        CString utf8String = value.toString(exec).utf8();

        // This should use NPN_MemAlloc, but we know that it uses malloc under the hood.
        char* utf8Characters = static_cast<char*>(malloc(utf8String.length()));
        memcpy(utf8Characters, utf8String.data(), utf8String.length());
        
        STRINGN_TO_NPVARIANT(utf8Characters, utf8String.length(), variant);
        return;
    }

    if (value.isObject()) {
        NPObject* npObject = getOrCreateNPObject(asObject(value));
        OBJECT_TO_NPVARIANT(npObject, variant);
        return;
    }

    ASSERT_NOT_REACHED();
}
开发者ID:，项目名称:，代码行数:45，代码来源:

示例8: getBooleanFromJSON

static bool getBooleanFromJSON(ExecState* exec, JSObject* json, const char* key, bool& result)
{
    Identifier identifier(exec, key);
    PropertySlot slot(json);

    if (!json->getPropertySlot(exec, identifier, slot))
        return false;

    JSValue jsValue = slot.getValue(exec, identifier);
    ASSERT(!exec->hadException());
    if (!jsValue.isBoolean()) {
        throwTypeError(exec, String::format("Expected a boolean value for \"%s\" JSON key",  key));
        return false;
    }

    result = jsValue.asBoolean();
    return true;
}
开发者ID:，项目名称:，代码行数:18，代码来源:

示例9: convertValueToNPVariant

// Variant value must be released with NPReleaseVariantValue()
void convertValueToNPVariant(ExecState* exec, JSValue value, NPVariant* result)
{
    JSLock lock(SilenceAssertionsOnly);

    VOID_TO_NPVARIANT(*result);

    if (value.isString()) {
        UString ustring = value.toString(exec);
        CString cstring = ustring.utf8();
        NPString string = { (const NPUTF8*)cstring.data(), static_cast<uint32_t>(cstring.length()) };
        NPN_InitializeVariantWithStringCopy(result, &string);
    } else if (value.isNumber()) {
        DOUBLE_TO_NPVARIANT(value.toNumber(exec), *result);
    } else if (value.isBoolean()) {
        BOOLEAN_TO_NPVARIANT(value.toBoolean(exec), *result);
    } else if (value.isNull()) {
        NULL_TO_NPVARIANT(*result);
    } else if (value.isObject()) {
        JSObject* object = asObject(value);
        if (object->classInfo() == &CRuntimeObject::s_info) {
            CRuntimeObject* runtimeObject = static_cast<CRuntimeObject*>(object);
            CInstance* instance = runtimeObject->getInternalCInstance();
            if (instance) {
                NPObject* obj = instance->getObject();
                _NPN_RetainObject(obj);
                OBJECT_TO_NPVARIANT(obj, *result);
            }
        } else {
#ifdef ANDROID
            RootObject* rootObject = findRootObject(exec->dynamicGlobalObject());
            if (!rootObject)
                rootObject = findRootObject(exec->lexicalGlobalObject());
#else
            JSGlobalObject* globalObject = exec->dynamicGlobalObject();

            RootObject* rootObject = findRootObject(globalObject);
#endif
            if (rootObject) {
                NPObject* npObject = _NPN_CreateScriptObject(0, object, rootObject);
                OBJECT_TO_NPVARIANT(npObject, *result);
            }
        }
    }
}
开发者ID:0omega，项目名称:platform_external_webkit，代码行数:45，代码来源:c_utility.cpp

示例10: computeStatistics

void ValueProfile::computeStatistics(Statistics& statistics) const
{
    for (unsigned i = 0; i < numberOfBuckets; ++i) {
        JSValue value = JSValue::decode(m_buckets[i]);
        if (!value)
            continue;
        
        statistics.samples++;
        
        if (value.isInt32())
            statistics.int32s++;
        else if (value.isDouble())
            statistics.doubles++;
        else if (value.isCell())
            computeStatistics(value.asCell()->structure()->classInfo(), statistics);
        else if (value.isBoolean())
            statistics.booleans++;
    }
}
开发者ID:1833183060，项目名称:wke，代码行数:19，代码来源:ValueProfile.cpp

示例11: JSTryConvertToBooleans

JSLR_API bool _cdecl JSTryConvertToBooleans(JSContextRef ctx, JSValueRef** value, size_t length, int** indices, bool** result)
{
	auto values = *value;
	auto res = *result;
	auto ind = *indices;
	ExecState* exec = toJS(ctx);
	for (unsigned int i = 0; i < length; i++)
	{
		auto ptr = values[ind[i]];
		JSValueRef js_value = *&ptr;
		JSValue jsValue = toJS(exec, js_value);
		if (!jsValue.isBoolean())
		{
			return false;
		}
		*&res[i] = jsValue.toBoolean(exec);
	}
	return true;
}
开发者ID:SwiseCorp，项目名称:webkit，代码行数:19，代码来源:JSCompilerOpsPrivate.cpp

示例12: entryShim

::JSType JSValueGetType(JSContextRef ctx, JSValueRef value)
{
    ExecState* exec = toJS(ctx);
    APIEntryShim entryShim(exec);

    JSValue jsValue = toJS(exec, value);

    if (jsValue.isUndefined())
        return kJSTypeUndefined;
    if (jsValue.isNull())
        return kJSTypeNull;
    if (jsValue.isBoolean())
        return kJSTypeBoolean;
    if (jsValue.isNumber())
        return kJSTypeNumber;
    if (jsValue.isString())
        return kJSTypeString;
    ASSERT(jsValue.isObject());
    return kJSTypeObject;
}
开发者ID:Afreeca，项目名称:qt，代码行数:20，代码来源:JSValueRef.cpp

示例13: entryShim

::JSType JSValueGetType(JSContextRef ctx, JSValueRef value)
{
    ExecState* exec = toJS(ctx);
    APIEntryShim entryShim(exec);

    JSValue jsValue = toJS(exec, value);

    if (jsValue.isUndefined())
        return UndefinedType;
    if (jsValue.isNull())
        return NullType;
    if (jsValue.isBoolean())
        return BooleanType;
    if (jsValue.isNumber())
        return NumberType;
    if (jsValue.isString())
        return StringType;
    Q_ASSERT(jsValue.isObject());
    return ObjectType;
}
开发者ID:fluxer，项目名称:katie，代码行数:20，代码来源:JSValueRef.cpp

示例14: speculationFromValue

SpeculatedType speculationFromValue(JSValue value)
{
    if (value.isEmpty())
        return SpecEmpty;
    if (value.isInt32())
        return SpecInt32;
    if (value.isDouble()) {
        double number = value.asNumber();
        if (number != number)
            return SpecDoubleNaN;
        if (value.isMachineInt())
            return SpecInt52AsDouble;
        return SpecNonIntAsDouble;
    }
    if (value.isCell())
        return speculationFromCell(value.asCell());
    if (value.isBoolean())
        return SpecBoolean;
    ASSERT(value.isUndefinedOrNull());
    return SpecOther;
}
开发者ID:boska，项目名称:webkit，代码行数:21，代码来源:SpeculatedType.cpp

示例15: jsTypeStringForValue

JSValue jsTypeStringForValue(CallFrame* callFrame, JSValue v)
{
    if (v.isUndefined())
        return jsNontrivialString(callFrame, "undefined");
    if (v.isBoolean())
        return jsNontrivialString(callFrame, "boolean");
    if (v.isNumber())
        return jsNontrivialString(callFrame, "number");
    if (v.isString())
        return jsNontrivialString(callFrame, "string");
    if (v.isObject()) {
        // Return "undefined" for objects that should be treated
        // as null when doing comparisons.
        if (asObject(v)->structure()->typeInfo().masqueradesAsUndefined())
            return jsNontrivialString(callFrame, "undefined");
        CallData callData;
        if (asObject(v)->getCallData(callData) != CallTypeNone)
            return jsNontrivialString(callFrame, "function");
    }
    return jsNontrivialString(callFrame, "object");
}
开发者ID:azrul2202，项目名称:WebKit-Smartphone，代码行数:21，代码来源:Operations.cpp


注：本文中的JSValue::isBoolean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。