1 /*
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef UTIL_EX_H
17 #define UTIL_EX_H
18
19 #include <ctime>
20 #include <map>
21 #include <string>
22 #include <type_traits>
23 #include <vector>
24
25 #include "securec.h"
26
27 #include "define_multimodal.h"
28 #include "mmi_log.h"
29 #include "struct_multimodal.h"
30 #include "util.h"
31
32 #undef MMI_LOG_TAG
33 #define MMI_LOG_TAG "UtilEx"
34
35 namespace OHOS {
36 namespace MMI {
37 template<class ...Ts>
mprintf(int32_t fd,const char * fmt,Ts...args)38 int32_t mprintf(int32_t fd, const char* fmt, Ts... args)
39 {
40 if (fmt == nullptr) {
41 return RET_ERR;
42 }
43
44 static constexpr size_t bufSize = 1024 * 10;
45 char buf[bufSize] = {};
46 int32_t ret = snprintf_s(buf, bufSize, bufSize - 1, fmt, args...);
47 if (ret == -1) {
48 return ret;
49 }
50
51 if (fd < 0) {
52 ret = printf("%s\n", buf);
53 } else if (fd == 0) {
54 MMI_HILOGF("%{public}s", buf);
55 } else {
56 ret = dprintf(fd, "%s\n", buf);
57 }
58 return ret;
59 }
60
61 template <class Enum>
62 constexpr auto EnumUnderlyingValue(Enum const e) -> typename std::underlying_type<Enum>::type
63 {
64 static_assert(std::is_enum<Enum>::value, "input value is not of enum class nor enum");
65 return static_cast<typename std::underlying_type<Enum>::type>(e);
66 }
67
68 template <class Enum, class T>
EnumAdd(Enum const e,T val)69 Enum EnumAdd(Enum const e, T val)
70 {
71 static_assert(std::is_enum<Enum>::value, "input value is not of enum class nor enum");
72 auto a = EnumUnderlyingValue(e);
73 return static_cast<Enum>(a + val);
74 }
75 } // namespace MMI
76 } // namespace OHOS
77 #endif // UTIL_EX_H
78