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+/*
+ * Copyright (c) 2015 Oleg Morozenkov
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef TGBOT_CPP_PARSER_H
+#define TGBOT_CPP_PARSER_H
+
+#include <string>
+
+#include <boost/property_tree/ptree.hpp>
+#include <boost/property_tree/json_parser.hpp>
+
+#include "tgbot/types/User.h"
+#include "tgbot/types/GroupChat.h"
+#include "tgbot/types/Message.h"
+#include "tgbot/types/PhotoSize.h"
+#include "tgbot/types/Audio.h"
+#include "tgbot/types/Document.h"
+#include "tgbot/types/Sticker.h"
+#include "tgbot/types/Video.h"
+#include "tgbot/types/Contact.h"
+#include "tgbot/types/Location.h"
+#include "tgbot/types/Update.h"
+#include "tgbot/types/UserProfilePhotos.h"
+#include "tgbot/types/ReplyKeyboardMarkup.h"
+#include "tgbot/types/ReplyKeyboardHide.h"
+#include "tgbot/types/ForceReply.h"
+#include "tgbot/types/GenericReply.h"
+
+namespace TgBot {
+
+class Parser {
+
+public:
+ User::Ptr parseUser(const boost::property_tree::ptree& data) const;
+ std::string parseUser(const User::Ptr& object) const;
+ GroupChat::Ptr parseGroupChat(const boost::property_tree::ptree& data) const;
+ std::string parseGroupChat(const GroupChat::Ptr& object) const;
+ Message::Ptr parseMessage(const boost::property_tree::ptree& data) const;
+ std::string parseMessage(const Message::Ptr& object) const;
+ PhotoSize::Ptr parsePhotoSize(const boost::property_tree::ptree& data) const;
+ std::string parsePhotoSize(const PhotoSize::Ptr& object) const;
+ Audio::Ptr parseAudio(const boost::property_tree::ptree& data) const;
+ std::string parseAudio(const Audio::Ptr& object) const;
+ Document::Ptr parseDocument(const boost::property_tree::ptree& data) const;
+ std::string parseDocument(const Document::Ptr& object) const;
+ Sticker::Ptr parseSticker(const boost::property_tree::ptree& data) const;
+ std::string parseSticker(const Sticker::Ptr& object) const;
+ Video::Ptr parseVideo(const boost::property_tree::ptree& data) const;
+ std::string parseVideo(const Video::Ptr& object) const;
+ Contact::Ptr parseContact(const boost::property_tree::ptree& data) const;
+ std::string parseContact(const Contact::Ptr& object) const;
+ Location::Ptr parseLocation(const boost::property_tree::ptree& data) const;
+ std::string parseLocation(const Location::Ptr& object) const;
+ Update::Ptr parseUpdate(const boost::property_tree::ptree& data) const;
+ std::string parseUpdate(const Update::Ptr& object) const;
+ UserProfilePhotos::Ptr parseUserProfilePhotos(const boost::property_tree::ptree& data) const;
+ std::string parseUserProfilePhotos(const UserProfilePhotos::Ptr& object) const;
+ ReplyKeyboardMarkup::Ptr parseReplyKeyboardMarkup(const boost::property_tree::ptree& data) const;
+ std::string parseReplyKeyboardMarkup(const ReplyKeyboardMarkup::Ptr& object) const;
+ ReplyKeyboardHide::Ptr parseReplyKeyboardHide(const boost::property_tree::ptree& data) const;
+ std::string parseReplyKeyboardHide(const ReplyKeyboardHide::Ptr& object) const;
+ ForceReply::Ptr parseForceReply(const boost::property_tree::ptree& data) const;
+ std::string parseForceReply(const ForceReply::Ptr& object) const;
+ GenericChat::Ptr parseGenericChat(const boost::property_tree::ptree& data) const;
+ std::string parseGenericChat(const GenericChat::Ptr& object) const;
+ GenericReply::Ptr parseGenericReply(const boost::property_tree::ptree& data) const;
+ std::string parseGenericReply(const GenericReply::Ptr& object) const;
+
+ inline boost::property_tree::ptree parseJson(const std::string& json) const {
+ boost::property_tree::ptree tree;
+ std::istringstream input(json);
+ boost::property_tree::read_json(input, tree);
+ return tree;
+ }
+
+ template<typename T>
+ std::shared_ptr<T> tryParse(std::shared_ptr<T> (Parser::*const parseFunc)(const boost::property_tree::ptree&) const, const boost::property_tree::ptree& data, const std::string& keyName) const {
+ auto treeItem = data.find(keyName);
+ if (treeItem == data.not_found()) {
+ return std::shared_ptr<T>();
+ }
+ return (this->*parseFunc)(treeItem->second);
+ }
+
+ template<typename T>
+ std::vector<std::shared_ptr<T>> parseArray(std::shared_ptr<T> (Parser::*const parseFunc)(const boost::property_tree::ptree&) const, const boost::property_tree::ptree& data, const std::string& keyName) const {
+ std::vector<std::shared_ptr<T>> result;
+ auto treeItem = data.find(keyName);
+ if (treeItem == data.not_found()) {
+ return result;
+ }
+ for (const std::pair<const std::string, boost::property_tree::ptree>& innerTreeItem : treeItem->second) {
+ result.push_back((this->*parseFunc)(innerTreeItem.second));
+ }
+ return result;
+ }
+
+ template<typename T>
+ std::vector<std::vector<std::shared_ptr<T>>> parse2DArray(std::shared_ptr<T> (Parser::*const parseFunc)(const boost::property_tree::ptree&) const, const boost::property_tree::ptree& data, const std::string& keyName) const {
+ std::vector<std::vector<std::shared_ptr<T>>> result;
+ auto treeItem = data.find(keyName);
+ if (treeItem == data.not_found()) {
+ return result;
+ }
+ for (const std::pair<const std::string, boost::property_tree::ptree>& innerTreeItem : treeItem->second) {
+ std::vector<std::shared_ptr<T>> innerResult;
+ for (const std::pair<const std::string, boost::property_tree::ptree>& innerInnerTreeItem : innerTreeItem.second) {
+ innerResult.push_back((this->*parseFunc)(innerInnerTreeItem.second));
+ }
+ result.push_back(innerResult);
+ }
+ return result;
+ }
+
+ template<typename T>
+ std::string parseArray(std::string (Parser::*const parseFunc)(const std::shared_ptr<T>&) const, const std::vector<std::shared_ptr<T>>& objects) const {
+ std::string result;
+ result += '[';
+ for (const std::shared_ptr<T>& item : objects) {
+ result += (this->*parseFunc)(item);
+ result += ',';
+ }
+ result.erase(result.length() - 1);
+ result += ']';
+ return result;
+ }
+
+ template<typename T>
+ std::string parse2DArray(std::string (Parser::*const parseFunc)(const std::shared_ptr<T>&) const, const std::vector<std::vector<std::shared_ptr<T>>>& objects) const {
+ std::string result;
+ result += '[';
+ for (const std::vector<std::shared_ptr<T>>& item : objects) {
+ result += parseArray(parseFunc, item);
+ result += ',';
+ }
+ result.erase(result.length() - 1);
+ result += ']';
+ return result;
+ }
+
+private:
+ template<typename T>
+ void appendToJson(std::string& json, const std::string& varName, const T& value) const {
+ if (value == 0) {
+ return;
+ }
+ json += '"';
+ json += varName;
+ json += "\":";
+ json += value;
+ json += ',';
+ }
+
+ void appendToJson(std::string& json, const std::string& varName, const std::string& value) const;
+};
+
+}
+
+#endif //TGBOT_CPP_PARSER_H
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