95 lines
3 KiB
C++
95 lines
3 KiB
C++
/// \file json.h Holds all JSON-related headers.
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#pragma once
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#include <string>
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#include <deque>
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#include <map>
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#include <istream>
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//empty definition of DTSC::Stream so it can be a friend.
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namespace DTSC{class Stream;}
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/// JSON-related classes and functions
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namespace JSON{
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/// Lists all types of JSON::Value.
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enum ValueType{ EMPTY, BOOL, INTEGER, STRING, ARRAY, OBJECT };
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class Value;//forward declaration for below typedef
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typedef std::map<std::string, Value>::iterator ObjIter;
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typedef std::deque<Value>::iterator ArrIter;
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/// A JSON::Value is either a string or an integer, but may also be an object, array or null.
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class Value{
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private:
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ValueType myType;
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long long int intVal;
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std::string strVal;
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std::deque<Value> arrVal;
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std::map<std::string, Value> objVal;
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std::string read_string(int separator, std::istream & fromstream);
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std::string string_escape(std::string val);
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int c2hex(int c);
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static void skipToEnd(std::istream & fromstream);
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public:
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//friends
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friend class DTSC::Stream;//for access to strVal
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//constructors
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Value();
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Value(std::istream & fromstream);
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Value(const std::string & val);
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Value(const char * val);
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Value(long long int val);
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Value(bool val);
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//comparison operators
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bool operator==(const Value &rhs) const;
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bool operator!=(const Value &rhs) const;
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//assignment operators
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Value & operator=(const std::string &rhs);
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Value & operator=(const char * rhs);
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Value & operator=(const long long int &rhs);
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Value & operator=(const int &rhs);
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Value & operator=(const unsigned int &rhs);
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Value & operator=(const bool &rhs);
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//converts to basic types
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operator long long int();
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operator std::string();
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operator bool();
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const std::string asString();
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const long long int asInt();
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const bool asBool();
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//array operator for maps and arrays
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Value & operator[](const std::string i);
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Value & operator[](const char * i);
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Value & operator[](unsigned int i);
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//handy functions and others
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std::string toPacked();
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std::string & toNetPacked();
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std::string toString();
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std::string toPrettyString(int indentation = 0);
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void append(const Value & rhs);
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void prepend(const Value & rhs);
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void shrink(unsigned int size);
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void removeMember(const std::string & name);
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bool isMember(const std::string & name) const;
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bool isInt() const;
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bool isString() const;
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bool isBool() const;
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bool isObject() const;
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bool isArray() const;
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bool isNull() const;
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ObjIter ObjBegin();
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ObjIter ObjEnd();
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ArrIter ArrBegin();
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ArrIter ArrEnd();
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unsigned int size();
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void null();
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};
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Value fromDTMI(std::string data);
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Value fromDTMI(const unsigned char * data, unsigned int len, unsigned int &i);
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Value fromString(std::string json);
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Value fromFile(std::string filename);
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};
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