115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
/*
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* Parsodus - A language agnostic parser generator
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* Copyright © 2016-2017 Thomas Avé, Robin Jadoul, Kobe Wullaert
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#ifndef JSON_H
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#define JSON_H
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#include <deque>
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#include <iostream>
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#include <map>
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#include <memory>
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#include <stdexcept>
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#include <string>
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namespace json {
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class JSONError : public std::runtime_error {
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public:
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JSONError(std::string msg) : std::runtime_error(msg) { }
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};
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enum Type {
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Num,
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String,
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Object,
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Array,
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Bool,
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Null
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};
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class JSON {
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public:
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/**
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* Default constructor, is a JSON null value
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*/
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JSON();
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JSON(const JSON& other);
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JSON(JSON&& other);
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JSON& operator=(const JSON& other);
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JSON& operator=(JSON&& other);
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~JSON();
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operator std::string() const;
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operator double() const;
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operator bool() const;
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JSON& operator[] (int) const;
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JSON& operator[] (std::string) const;
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JSON& operator[] (const char*) const;
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JSON& operator[] (const JSON&) const;
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std::string to_string() const;
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double to_double() const;
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bool to_bool() const;
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std::size_t size() const;
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void push_back(const JSON& other);
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void push_front(const JSON& other);
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bool isNull() const;
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Type getType() const;
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static JSON num(double n);
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static JSON string(const std::string& s);
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static JSON object();
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static JSON array();
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static JSON boolean(bool b);
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static JSON null();
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friend std::ostream& operator<<(std::ostream&, const JSON&);
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private:
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Type type;
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//Pointers because of union restrictions
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union Value {
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double num;
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std::string* str;
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std::map<std::string, JSON>* obj;
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std::deque<JSON>* arr;
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bool b;
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} val;
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JSON(Type t);
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JSON(Type t, Value v);
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};
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std::ostream& operator<<(std::ostream& os, const JSON& j);
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}
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#endif
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