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 24 namespace OHOS { 25 namespace Telephony { 26 27 class TextCoder { 28 public: 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 int Gsm7bitToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, const MsgLangInfo &langInfo); 39 int Ucs2ToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength); 40 int EuckrToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength); 41 int ShiftjisToUtf8(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength) const; 42 43 private: 44 TextCoder(); 45 virtual ~TextCoder(); 46 int Ucs2ToGsm7bit(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, MSG_LANGUAGE_ID_T &langId); 47 int Ucs2ToGsm7bitAuto(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, bool &unknown); 48 int Ucs2ToAscii(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, bool &unknown); 49 uint8_t GetLangType(const uint8_t *src, int srcLength); 50 int FindGsm7bitExt(uint8_t *dest, int maxLength, const uint16_t inText); 51 int FindTurkish(uint8_t *dest, int maxLength, const uint16_t inText); 52 int FindSpanish(uint8_t *dest, int maxLength, const uint16_t inText); 53 int FindPortu(uint8_t *dest, int maxLength, const uint16_t inText); 54 uint8_t FindReplaceChar(const uint16_t inText); 55 56 int Gsm7bitToUcs2(uint8_t *dest, int maxLength, const uint8_t *src, int srcLength, const MsgLangInfo &langInfo); 57 int EscapeTurkishLockingToUcs2(const uint8_t *src, int srcLen, const MsgLangInfo &langInfo, uint16_t &result); 58 int EscapePortuLockingToUcs2(const uint8_t *src, int srcLen, const MsgLangInfo &langInfo, uint16_t &result); 59 int EscapeGsm7bitToUcs2(const uint8_t *src, int srcLen, const MsgLangInfo &langInfo, uint16_t &result); 60 uint16_t EscapeToUcs2(const uint8_t srcText, const MsgLangInfo &langInfo); 61 62 void GetTurkishSingleToUcs2(const uint8_t &srcText, uint16_t &result); 63 void GetSpanishSingleToUcs2(const uint8_t &srcText, uint16_t &result); 64 void GetGsm7BitExtToUcs2(const uint8_t &srcText, uint16_t &result); 65 void GetPortuSingleToUcs2(const uint8_t &srcText, uint16_t &result); 66 67 void InitExtCharMap(); 68 void InitGsm7bitDefMap(); 69 void InitGsm7bitExtMap(); 70 void InitTurkishMap(); 71 void InitSpanishMap(); 72 void InitPortuMap(); 73 void InitReplaceCharMap(); 74 75 private: 76 std::map<uint16_t, uint8_t> extCharMap_; 77 std::map<uint16_t, uint8_t> gsm7bitDefMap_; 78 std::map<uint16_t, uint8_t> gsm7bitExtMap_; 79 std::map<uint16_t, uint8_t> turkishMap_; 80 std::map<uint16_t, uint8_t> spanishMap_; 81 std::map<uint16_t, uint8_t> portuMap_; 82 std::map<uint16_t, uint8_t> replaceCharMap_; 83 }; 84 } // namespace Telephony 85 } // namespace OHOS 86 #endif 87