xref: /base/telephony/sms_mms/utils/text_coder.h (revision e5d0e473) 
1/*
2 * Copyright (C) 2023 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 TEXT_CODER_H
17#define TEXT_CODER_H
18
19#include <map>
20
21#include "gsm_pdu_code_type.h"
22#include "msg_text_convert_common.h"
23
24namespace OHOS {
25namespace Telephony {
26
27class TextCoder {
28public:
29    static TextCoder &Instance();
30    void Base64Encode(const std::string &src, std::string &dest);
31    void Base64Decode(const std::string &src, std::string &dest);
32    bool GetEncodeString(
33        std::string &encodeString, uint32_t charset, uint32_t valLength, const std::string &strEncodeString);
34    int Utf8ToGsm7bit(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, MSG_LANGUAGE_ID_T &langId);
35    int Utf8ToUcs2(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength);
36    int CdmaUtf8ToAuto(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, DataCodingScheme &scheme);
37    int GsmUtf8ToAuto(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, DataCodingScheme &scheme,
38        SmsCodingNationalType codingNationalType, MSG_LANGUAGE_ID_T &langId);
39    int Gsm7bitToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, const MsgLangInfo &langInfo);
40    int Ucs2ToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength);
41    int EuckrToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength);
42    int ShiftjisToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength) const;
43    WCHAR GetUCS2Value(uint32_t charset);
44
45private:
46    TextCoder();
47    virtual ~TextCoder();
48    int Ucs2ToGsm7bit(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, MSG_LANGUAGE_ID_T &langId);
49    int Ucs2ToGsm7bitAuto(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, bool &unknown,
50        SmsCodingNationalType codingNationalType);
51    int Ucs2ToAscii(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, bool &unknown);
52    uint8_t GetLangType(const uint8_t *src, int srcLength);
53    int FindGsm7bitExt(uint8_t *dest, int maxLength, const uint16_t inText);
54    int FindTurkish(uint8_t *dest, int maxLength, const uint16_t inText);
55    int FindSpanish(uint8_t *dest, int maxLength, const uint16_t inText);
56    int FindPortu(uint8_t *dest, int maxLength, const uint16_t inText);
57    uint8_t FindReplaceChar(const uint16_t inText);
58    std::map<uint16_t, uint8_t> Get7BitCodingExtMap(SmsCodingNationalType codingNationalType) const;
59
60    int Gsm7bitToUcs2(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, const MsgLangInfo &langInfo);
61    int EscapeTurkishLockingToUcs2(const uint8_t *src, int srcLen, const MsgLangInfo &langInfo, uint16_t &result);
62    int EscapePortuLockingToUcs2(const uint8_t *src, int srcLen, const MsgLangInfo &langInfo, uint16_t &result);
63    int EscapeGsm7bitToUcs2(const uint8_t *src, int srcLen, const MsgLangInfo &langInfo, uint16_t &result);
64    uint16_t EscapeToUcs2(const uint8_t srcText, const MsgLangInfo &langInfo);
65
66    void GetTurkishSingleToUcs2(const uint8_t &srcText, uint16_t &result);
67    void GetSpanishSingleToUcs2(const uint8_t &srcText, uint16_t &result);
68    void GetGsm7BitExtToUcs2(const uint8_t &srcText, uint16_t &result);
69    void GetPortuSingleToUcs2(const uint8_t &srcText, uint16_t &result);
70
71    void InitExtCharMap();
72    void InitGsm7bitDefMap();
73    void InitGsm7bitExtMap();
74    void InitTurkishMap();
75    void InitSpanishMap();
76    void InitPortuMap();
77    void InitReplaceCharMap();
78
79private:
80    std::map<uint16_t, uint8_t> extCharMap_;
81    std::map<uint16_t, uint8_t> gsm7bitDefMap_;
82    std::map<uint16_t, uint8_t> gsm7bitExtMap_;
83    std::map<uint16_t, uint8_t> turkishMap_;
84    std::map<uint16_t, uint8_t> spanishMap_;
85    std::map<uint16_t, uint8_t> portuMap_;
86    std::map<uint16_t, uint8_t> replaceCharMap_;
87};
88} // namespace Telephony
89} // namespace OHOS
90#endif
91