オリジナルC++読み書きiniファイル

114715 ワード
C/C++ c++ C++ INI
C++STLベースiniファイル解析クラス
GitHubリンク /* * @Description: ini * @version:0.0.3 preview * @Author: windSnowLi * @LastEditors: windSnowLi * @LastEditTime:2020/11/9 */ #ifndef READWRITE_H_ #define READWRITE_H_ #include // MSVC MingW, cstring string #include #include #include #include #include #include #ifndef MAX_PATH #define MAX_PATH 260 #endif // !MAX_PATH namespace rwini { enum class RwExceptionType { RwiniException = 0, NotFoundKey = 1, NotFoundSection = 2, IniFormatError = 3, NullSectionOrKey = 4 }; class RwiniException :public std::exception { protected: std::string message; public: #ifdef _MSC_VER virtual const char* what() const { return message.c_str(); } #elif __GNUC__ virtual const char* what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT { return message.c_str(); } #endif // _MSC_VER||__BORLANDC__ virtual const rwini::RwExceptionType GetExceptionType() const { return RwExceptionType::RwiniException; } }; class NotFoundKey : public RwiniException { public: virtual const rwini::RwExceptionType GetExceptionType() const { return RwExceptionType::NotFoundKey; } NotFoundKey() { this->message = "Error : Key"; } NotFoundKey(std::string str) { this->message = "Error : " + str; } }; class NotFoundSection : public RwiniException { public: virtual const rwini::RwExceptionType GetExceptionType() const { return RwExceptionType::NotFoundSection; } NotFoundSection() { this->message = "Error : Section"; } NotFoundSection(std::string str) { this->message = "Error : " + str; } }; class NullSectionOrKey : public RwiniException { public: virtual const rwini::RwExceptionType GetExceptionType() const { return RwExceptionType::NullSectionOrKey; } NullSectionOrKey(std::string str) { this->message = "Error : " + str + " "; } }; class IniFormatError : public RwiniException { public: virtual const rwini::RwExceptionType GetExceptionType() const { return RwExceptionType::IniFormatError; } IniFormatError() { this->message = "Error : "; } }; class ReadWriteini { private: // char iniPath[MAX_PATH]; //[section [key,value] ] std::unordered_map<std::string, std::unordered_map<std::string, std::vector<std::string>>>* iniContent = new std::unordered_map<std::string, std::unordered_map<std::string, std::vector<std::string>>>(); // template <typename Type> std::string TypeToString(Type str) noexcept; public: // , ini ReadWriteini(const char* inipath) noexcept(false); // ~ReadWriteini(); // [section [key,value] ] template <typename Type1, typename Type2> bool FindValue(const Type1& tempsection, const Type2& tempkey, char* value) noexcept(false);; template<typename Type1, typename Type2> std::string FindValue(const Type1& tempsection, const Type2& tempkey) noexcept(false); // value template <typename Type1, typename Type2, typename Type3> bool SetValue(const Type1& tempsection, const Type2& tempkey, const Type3& value) noexcept(false); // key template <typename Type1, typename Type2, typename Type3> bool SetKey(const Type1& tempsection, const Type2& tempoldkey, const Type3& tempnewkey) noexcept(false); // section template <typename Type1> bool InsertSection(const Type1& tempsection); // key template <typename Type1, typename Type2, typename Type3> bool InsertKey(const Type2& tempsection, const Type1& tempkey, const Type3& tempvalue) noexcept(false); template<typename Type1, typename Type2, typename Type3> bool AutoInsertKey(const Type2& tempsection, const Type1& tempkey, const Type3& tempvalue) noexcept(false); // section template <typename Type1> bool DeleteSection(const Type1& tempsection) noexcept(false); // key template <typename Type1, typename Type2> bool DeleteKey(const Type1& tempsection, const Type2& tempkey); // ini bool Writeini(); // section key, std::unordered_map<std::string, std::unordered_map<std::string, std::vector<std::string>>>::iterator SeekSection(std::string temp_section) noexcept(false); std::unordered_map<std::string, std::vector<std::string>>::iterator SeekKey(std::string temp_section, std::string temp_key) noexcept(false); }; } #ifndef READWRITEINI_TEMPLATE_ #define READWRITEINI_TEMPLATE_ /* * @name:TypeToString * @describe: * @param typename Type * @return:string */ template<typename Type> std::string rwini::ReadWriteini::TypeToString(Type str) noexcept { std::stringstream tempStrStream; std::string goalStr; tempStrStream << str; goalStr = tempStrStream.str(); return goalStr; } /* * @name:FindValue * @describe: section key value * @param const Type1& tempsection, const Type2& tempkey, char* value * @return:bool */ template <typename Type1, typename Type2> bool rwini::ReadWriteini::FindValue(const Type1& tempsection, const Type2& tempkey, char* value) noexcept(false) { // std::string section = TypeToString(tempsection); std::string key = TypeToString(tempkey); value[0] = '\0'; std::unordered_map<std::string, std::vector<std::string>>::iterator tempiter; try { tempiter = SeekKey(section, key); } catch (const rwini::NullSectionOrKey& e) { throw e; } catch (const rwini::NotFoundSection& e) { throw e; } catch (const rwini::NotFoundKey& e) { throw e; } const char* tempStr = tempiter->second.front().c_str(); memcpy(value, tempStr, sizeof(char) * strlen(tempStr)); value[strlen(tempStr) + 1] = '\0'; return true; } /// /// value std::string， section key NotFoundKey NotFoundSection /// /// section /// key /// section /// key /// template <typename Type1, typename Type2> std::string rwini::ReadWriteini::FindValue(const Type1& tempsection, const Type2& tempkey) noexcept(false) { // std::string section = TypeToString(tempsection); std::string key = TypeToString(tempkey); std::unordered_map<std::string, std::vector<std::string>>::iterator tempiter; try { tempiter = SeekKey(section, key); } catch (const rwini::NullSectionOrKey& e) { throw e; } catch (const rwini::NotFoundSection& e) { throw e; } catch (const rwini::NotFoundKey& e) { throw e; } return tempiter->second.front(); } /* * @name:SetValue * @describe: section key value * @param const Type1& tempsection, const Type2& tempkey, const Type3& tempvalue * @return:bool */ template <typename Type1, typename Type2, typename Type3> bool rwini::ReadWriteini::SetValue(const Type1& tempsection, const Type2& tempkey, const Type3& tempvalue) noexcept(false) { // std::string section = TypeToString(tempsection); std::string key = TypeToString(tempkey); std::string value = TypeToString(tempvalue); std::unordered_map<std::string, std::vector<std::string>>::iterator tempiter; try { tempiter = SeekKey(section, key); } catch (const rwini::NullSectionOrKey& e) { throw e; } catch (const rwini::NotFoundSection& e) { throw e; } catch (const rwini::NotFoundKey& e) { throw e; } tempiter->second[0] = value; return true; } /* * @name:SetKey * @describe: section key * @param {const char*, const char*,const char*} * @return:bool */ /* *2020/6/11 ， */ template <typename Type1, typename Type2, typename Type3> bool rwini::ReadWriteini::SetKey(const Type1& tempsection, const Type2& tempoldkey, const Type3& tempnewkey) noexcept(false) { // std::string section = TypeToString(tempsection); std::string oldkey = TypeToString(tempoldkey); std::string newkey = TypeToString(tempnewkey); if (newkey.empty()) { throw* (new NullSectionOrKey("new key:" + newkey)); } try { auto tempiter = SeekKey(section, oldkey); const std::vector<std::string> tempvalue = tempiter->second; auto iter = SeekSection(section); iter->second.erase(tempiter); iter->second.insert(std::make_pair(newkey, tempvalue)); } catch (const rwini::NullSectionOrKey& e) { throw e; } catch (const rwini::NotFoundSection& e) { throw e; } catch (const rwini::NotFoundKey& e) { throw e; } return true; } /* * @name:InsertSection * @describe: section * @param {const char*} * @return:bool */ template <typename Type1> bool rwini::ReadWriteini::InsertSection(const Type1& tempsection) noexcept(false) { // std::string section = TypeToString(tempsection); if (section.empty()) { throw* (new NullSectionOrKey("section")); } iniContent->insert(std::make_pair(section, std::unordered_map<std::string, std::vector<std::string>>())); return true; } /* * @name:InsertKey * @describe: Key * @param const Type2& tempsection, const Type1& tempkey, const Type3& tempvalue * @return:bool */ template <typename Type1, typename Type2, typename Type3> bool rwini::ReadWriteini::InsertKey(const Type2& tempsection, const Type1& tempkey, const Type3& tempvalue) noexcept(false) { // std::string section = TypeToString(tempsection); std::string key = TypeToString(tempkey); std::string value = TypeToString(tempvalue); if (section.empty()) { throw* (new NullSectionOrKey("section")); } if (key.empty()) { throw* (new NullSectionOrKey("key")); } auto iter = iniContent->find(section); if (iter == iniContent->end()) { throw* (new NotFoundSection(" section：" + section)); } std::shared_ptr<std::vector<std::string>> temp_value = std::make_shared< std::vector<std::string>>(); temp_value->push_back(value); iter->second.insert(std::make_pair(key, *temp_value)); return true; } /// /// ， /// /// section /// key /// value /// section /// key /// value /// template <typename Type1, typename Type2, typename Type3> bool rwini::ReadWriteini::AutoInsertKey(const Type2& tempsection, const Type1& tempkey, const Type3& tempvalue) noexcept(false) { // std::string section = TypeToString(tempsection); std::string key = TypeToString(tempkey); std::string value = TypeToString(tempvalue); if (section.empty()) { throw* (new NullSectionOrKey("section")); } if (key.empty()) { throw* (new NullSectionOrKey("key")); } auto iter = iniContent->find(section); if (iter == iniContent->end()) { this->InsertSection(section); } iter = iniContent->find(section); std::shared_ptr<std::vector<std::string>> temp_value = std::make_shared< std::vector<std::string>>(); temp_value->push_back(value); iter->second.insert(std::make_pair(key, *temp_value)); return true; } /* * @name:DeleteSection * @describe: section * @param const Type1& tempsection * @return:bool */ /* *2020/6/11 ， */ template <typename Type1> bool rwini::ReadWriteini::DeleteSection(const Type1& tempsection) noexcept(false) { // std::string section = TypeToString(tempsection); try { auto iter = SeekSection(section); iniContent->erase(iter); } catch (const rwini::NullSectionOrKey& e) { throw e; } catch (const rwini::NotFoundSection& e) { throw e; } catch (const rwini::NotFoundKey& e) { throw e; } return true; } /* * @name:DeleteKey * @describe: Key * @param {const char*} * @return:bool */ template <typename Type1, typename Type2> bool rwini::ReadWriteini::DeleteKey(const Type1& tempsection, const Type2& tempkey) { // std::string section = TypeToString(tempsection); std::string key = TypeToString(tempkey); try { auto iter = SeekSection(section); auto tempiter = iter->second.find(key); iter->second.erase(tempiter); } catch (const rwini::NullSectionOrKey& e) { throw e; } catch (const rwini::NotFoundSection& e) { throw e; } catch (const rwini::NotFoundKey& e) { throw e; } return true; } #endif // !READWRITEINI_TEMPLATE_ #ifndef READWRITEINI_REALIZE_ #define READWRITEINI_REALIZE_ /* * @name: * @describe: * @param {char*} * @return: */ rwini::ReadWriteini::ReadWriteini(const char* inipath) noexcept(false) { memset(iniPath, '\0', sizeof(char) * MAX_PATH); memcpy(iniPath, inipath, sizeof(char) * strlen(inipath)); std::ifstream iniFile; iniFile.open(iniPath, std::ios::in); std::string tempSection; std::string tempKey; std::string tempValue; std::string tempAnn; // ， +1， -1 int tempSectionBracket = 0; enum class LineType { // section, , , section = 1, key = 2, value = 3, ann = 4, refuse = 5 }; std::shared_ptr<LineType> lineType = std::make_shared<LineType>(); *lineType = LineType::refuse; // std::string tempData; std::string temp_end_section; std::string temp_end_key; while (getline(iniFile, tempData)) { if (tempData.length() == 0) { continue; } bool emptystr = true; for (char tempCheck : tempData) { if (tempCheck == ' ') { continue; } emptystr = false; if (tempCheck == '[') { *lineType = LineType::section; } else if (tempCheck == ';') { *lineType = LineType::ann; } else { *lineType = LineType::key; } break; } if (emptystr) { continue; } for (char tempCh : tempData) { if (*lineType != LineType::refuse && tempCh == ' ') { continue; } else if (*lineType == LineType::section && tempCh == '[') { *lineType = LineType::section; if (++tempSectionBracket >= 2) { throw* (new IniFormatError()); } } else if (*lineType == LineType::section && tempCh == ']') { *lineType = LineType::refuse; if (--tempSectionBracket < 0) { throw* (new IniFormatError()); } } else if (*lineType != LineType::ann && tempCh == ';') { *lineType = LineType::ann; } else if (*lineType != LineType::ann && *lineType != LineType::value && tempCh == '=') { *lineType = LineType::value; } else if (*lineType == LineType::ann) { tempAnn.append(TypeToString(tempCh)); } else if (*lineType == LineType::section) { tempSection.append(TypeToString(tempCh)); } else if (*lineType == LineType::key) { tempKey.append(TypeToString(tempCh)); } else if (*lineType == LineType::value) { tempValue.append(TypeToString(tempCh)); } } if (!tempSection.empty()) { // section iniContent->insert(std::make_pair(tempSection, std::unordered_map<std::string, std::vector<std::string>>())); temp_end_section = tempSection; temp_end_key.clear(); } else if (!tempKey.empty()) { std::vector<std::string> temp_add_ann; temp_add_ann.push_back(tempValue); if (!tempAnn.empty()) { temp_add_ann.push_back(tempAnn); } iniContent->find(temp_end_section)->second.insert(std::make_pair(tempKey, temp_add_ann)); temp_end_key = tempKey; } else if (!tempAnn.empty()) { if (!temp_end_key.empty()) { iniContent->find(temp_end_section)->second.find(temp_end_key)->second.push_back(tempAnn); } } tempSection.clear(); tempKey.clear(); tempValue.clear(); tempAnn.clear(); *lineType = LineType::refuse; } // lineType.~shared_ptr(); // iniFile.close(); } rwini::ReadWriteini::~ReadWriteini() { delete iniContent; } /* * @name:Writeini * @describe: * @param {const char*} * @return:bool */ bool rwini::ReadWriteini::Writeini() { std::ofstream iniFile; iniFile.open(iniPath, std::ios::out | std::ios::trunc); for (auto&& i : *iniContent) { iniFile << "[" << i.first << "]" << std::endl; for (auto&& j : i.second) { iniFile << j.first << "=" << j.second.front() << std::endl; for (int k = 1; k < j.second.size(); k++) { if (j.second[k].front() != ';') { iniFile << ";"; } iniFile << j.second[k] << std::endl; } } iniFile << std::endl; } iniFile.close(); return true; } std::unordered_map<std::string, std::unordered_map<std::string, std::vector<std::string>>>::iterator rwini::ReadWriteini::SeekSection(std::string temp_section) noexcept(false) { if (temp_section.empty()) { throw* (new NullSectionOrKey("section")); } auto iter = iniContent->find(temp_section); if (iter == iniContent->end()) { throw* (new NotFoundSection(" section：" + temp_section)); } return iter; } std::unordered_map<std::string, std::vector<std::string>>::iterator rwini::ReadWriteini::SeekKey(std::string temp_section, std::string temp_key) noexcept(false) { if (temp_section.empty()) { throw* (new NullSectionOrKey("section")); } if (temp_key.empty()) { throw* (new NullSectionOrKey("key")); } auto iter = iniContent->find(temp_section); if (iter == iniContent->end()) { throw* (new NotFoundSection(" section：" + temp_section)); } auto tempiter = iter->second.find(temp_key); if (tempiter == iter->second.end()) { throw* (new NotFoundKey(" section:" + temp_section + " key：" + temp_key)); } return tempiter; } #endif // READWRITEINI_TEMPLATE_ #endif // !READWRITE_H_
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