add PIJSON, yet without doc

2022-09-26 17:49:58 +03:00
parent 858b54ce64
commit 2d2f6b254b
3 changed files with 512 additions and 167 deletions
--- a/libs/main/core/pijson.h
+++ b/libs/main/core/pijson.h
@@ -0,0 +1,122 @@
+/*! \file pijson.h
+ * \ingroup Core
+ * \brief
+ * \~english JSON class
+ * \~russian Класс JSON
+*/
+/*
+	PIP - Platform Independent Primitives
+	JSON class
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PIJSON_H
+#define PIJSON_H
+
+#include "pivariant.h"
+
+
+//! \ingroup Core
+//! \~\brief
+//! \~english JSON class.
+//! \~russian Класс JSON.
+class PIP_EXPORT PIJSON {
+	friend PICout operator <<(PICout s, const PIJSON & v);
+public:
+	enum Type {
+		Invalid,
+		Null,
+		Boolean,
+		Number,
+		String,
+		Object,
+		Array
+	};
+	enum PrintType {
+		Compact,
+		Tree
+	};
+	PIJSON() {}
+	PIJSON(const PIJSON & o) = default;
+
+	static PIJSON newObject();
+	static PIJSON newArray();
+
+	const PIString & name() const {return c_name;}
+	const PIVector<PIJSON> & array() const {return c_array;}
+	const PIMap<PIString, PIJSON> & object() const {return c_object;}
+	const PIVariant & value() const {return c_value;}
+	bool toBool() const {return c_value.toBool();}
+	int toInt() const {return c_value.toInt();}
+	double toDouble() const {return c_value.toDouble();}
+	PIString toString() const {return c_value.toString();}
+	Type type() const {return c_type;}
+	bool isValid() const {return c_type != Invalid;}
+	bool isObject() const {return c_type == Object;}
+	bool isArray() const {return c_type == Array;}
+	void setValue(const PIVariant & v);
+	void clear();
+	int size() const;
+	bool contains(const PIString & key) const;
+	void resize(int new_size);
+
+	const PIJSON & operator[](int index) const;
+	PIJSON & operator[](int index);
+	PIJSON & operator=(const PIVariant & v) {setValue(v); return *this;}
+	PIJSON & operator=(const PIJSON & v);
+
+	PIJSON operator[](const PIString & key) const;
+	PIJSON & operator[](const PIString & key);
+	PIJSON operator[](const char * key) const {return (*this)[PIString::fromUTF8(key)];}
+	PIJSON & operator[](const char * key) {return (*this)[PIString::fromUTF8(key)];}
+
+	PIString toJSON() const;
+	static PIJSON fromJSON(PIString str);
+
+private:
+	static PIJSON & nullEntry();
+	static PIString parseName(PIString & s);
+	static PIJSON parseValue(PIString & s);
+	static PIJSON parseObject(PIString s);
+	static PIJSON parseArray(PIString s);
+	static PIString stringMask(const PIString & s);;
+	static PIString stringUnmask(const PIString & s);;
+	static void print(PIString & s, const PIJSON & v, PIString tab, bool transform = false, bool comma = false);
+
+	PIString c_name;
+	PIVariant c_value;
+	PIVector<PIJSON> c_array;
+	PIMap<PIString, PIJSON> c_object;
+	Type c_type = Invalid;
+};
+
+
+
+//! \relatesalso PICout
+//! \~english Output operator to \a PICout.
+//! \~russian Оператор вывода в \a PICout.
+inline PICout operator <<(PICout s, const PIJSON & v) {
+	s.space();
+	s.saveAndSetControls(0);
+	PIString str;
+	PIJSON::print(str, v, "");
+	s << str;
+	s.restoreControls();
+	return s;
+}
+
+
+#endif // PICONSTCHARS_H