bool toVector(JSC::ExecState* exec, JSC::JSValue value, Vector<T, inlineCapacity>& vector)
{
    if (!value.isObject())
        return false;

    JSC::JSObject* object = asObject(value);
    int32_t length = object->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
    vector.resize(length);

    for (int32_t i = 0; i < length; ++i) {
        JSC::JSValue v = object->get(exec, i);
        if (exec->hadException())
            return false;
        vector[i] = static_cast<T>(v.toNumber(exec));
    }

    return true;
}
bool toVector(JSC::ExecState& state, JSC::JSValue value, Vector<T, inlineCapacity>& vector)
{
    if (!value.isObject())
        return false;
    
    JSC::JSObject* object = asObject(value);
    int32_t length = object->get(&state, state.vm().propertyNames->length).toInt32(&state);
    
    if (!vector.tryReserveCapacity(length))
        return false;
    vector.resize(length);
    
    for (int32_t i = 0; i < length; ++i) {
        JSC::JSValue v = object->get(&state, i);
        if (state.hadException())
            return false;
        vector[i] = static_cast<T>(v.toNumber(&state));
    }
    
    return true;
}
Exemple #3
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void DragData::asFilenames(Vector<String>& result) const
{
    bool success;
    JSC::JSValue data = m_platformDragData->getData(ClipboardApolloHelper::FILE_LIST_TYPE, success);
    JSC::ExecState *exec = m_platformDragData->execState();
    if (success && data.isObject()) {
        JSC::JSObject* filenameArray = data.toObject(exec);
        uint32_t length = filenameArray->get(exec, JSC::Identifier(exec, "length")).toUInt32(exec);
        for (uint32_t i=0; i<length; i++) {
            JSC::JSValue fileValue = filenameArray->get(exec, i);
            if (fileValue.isObject()) {
                JSC::JSObject* file = fileValue.toObject(exec);
                JSC::JSValue pathValue = file->get(exec, JSC::Identifier(exec, "nativePath"));
                if (pathValue.isString()) {
                    String path = ustringToString(pathValue.toString(exec));
                    result.append(path);
                }
            }
        }
    }
    if (exec->hadException())
        exec->clearException();
}
void toArray(JSC::ExecState* exec, JSC::JSValue value, T*& array, int& size)
{
    array = 0;
    
    if (!value.isObject())
        return;
        
    JSC::JSObject* object = asObject(value);
    int length = object->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
    void* tempValues;
    if (!tryFastMalloc(length * sizeof(T)).getValue(tempValues))
        return;
    
    T* values = static_cast<T*>(tempValues);
    for (int i = 0; i < length; ++i) {
        JSC::JSValue v = object->get(exec, i);
        if (exec->hadException())
            return;
        values[i] = static_cast<T>(v.toNumber(exec));
    }

    array = values;
    size = length;
}