/* * Copyright (c) 2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "base/utils/string_utils.h" #ifndef WINDOWS_PLATFORM #include "securec.h" #endif namespace OHOS::Ace::StringUtils { namespace { const size_t MAX_STRING_SIZE = 256; } // namespace const char DEFAULT_STRING[] = "error"; const std::wstring DEFAULT_WSTRING = L"error"; const std::u16string DEFAULT_USTRING = u"error"; const std::u32string DEFAULT_U32STRING = U"error"; const std::string FormatString(const char* fmt, ...) { va_list args; va_start(args, fmt); char name[MAX_STRING_SIZE] = { 0 }; if (vsnprintf_s(name, sizeof(name), sizeof(name) - 1, fmt, args) < 0) { va_end(args); return ""; } va_end(args); return name; } bool IsAscii(const std::string& str) { for (const auto& c : str) { if (!isascii(c)) { return false; } } return true; } } // namespace OHOS::Ace::StringUtils