1/*
2 * Copyright (C) 2021 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 TELEPHONY_CELLULAR_CALL_STANDARDIZE_UTILS_H
17#define TELEPHONY_CELLULAR_CALL_STANDARDIZE_UTILS_H
18
19#include <string>
20
21#include "telephony_log_wrapper.h"
22
23namespace OHOS {
24namespace Telephony {
25class StandardizeUtils {
26public:
27    /**
28     * StandardizeUtils constructor
29     */
30    StandardizeUtils() = default;
31
32    /**
33     * ~StandardizeUtils destructor
34     */
35    ~StandardizeUtils() = default;
36
37    /**
38     * Strips separators from a phone number string
39     *
40     * @param string phone number to strip
41     * @return phone string stripped of separators.
42     */
43    std::string RemoveSeparatorsPhoneNumber(const std::string &phoneNum);
44
45    /**
46     * make sure there is a + in front of toa_international phone number
47     *
48     * @param string phone number
49     * @param int32_t toa
50    */
51    std::string FormatNumberAndToa(const std::string &phoneNumber, const int32_t callToa);
52
53    void ExtractAddressAndPostDial(const std::string &phoneString, std::string &networkAddress, std::string &postDial);
54
55    static std::vector<std::string> Split(const std::string &str, const std::string &flag);
56
57    typedef std::uint64_t hash_t64;
58
59    static hash_t64 Hash_(char const *hashStr)
60    {
61        hash_t64 result {cellular_call_b};
62        while (*hashStr) {
63            result ^= *hashStr;
64            result *= cellular_call_p;
65            hashStr++;
66        }
67        return result;
68    }
69
70    static constexpr hash_t64 HashCompileTime(char const *str, hash_t64 last_value = cellular_call_b)
71    {
72        return *str ? HashCompileTime(str + 1, (*str ^ last_value) * cellular_call_p) : last_value;
73    }
74
75    static bool IsDtmfKey(char c)
76    {
77        return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'D') || c == '*' || c == '#';
78    }
79
80    static bool IsPauseKey(char c)
81    {
82        return c == ',';
83    }
84
85    static bool IsWaitKey(char c)
86    {
87        return c == ';';
88    }
89
90private:
91    static constexpr hash_t64 cellular_call_p = 0x100000001B3ull;
92    static constexpr hash_t64 cellular_call_b = 0xCBF29CE484222325ull;
93};
94} // namespace Telephony
95} // namespace OHOS
96#endif // TELEPHONY_CELLULAR_CALL_STANDARDIZE_UTILS_H
97