ClickHouse/base/poco/Foundation/include/Poco/JSONString.h

//
// JSONString.h
//
// Library: Foundation
// Package: Core
// Module:  String
//
// JSONString utility functions.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef Foundation_JSONString_INCLUDED
#define Foundation_JSONString_INCLUDED


#include "Poco/Foundation.h"


namespace Poco
{


enum JSONOptions
{
    JSON_PRESERVE_KEY_ORDER = 1,
    /// Applies to JSON::Object. If specified, the Object will
    /// preserve the items insertion order. Otherwise, items
    /// will be sorted by keys.
    ///
    /// Has no effect on toJSON() function.

    JSON_ESCAPE_UNICODE = 2,
    /// If specified, when the object is stringified, all
    /// unicode characters will be escaped in the resulting
    /// string.

    JSON_WRAP_STRINGS = 4
    /// If specified, the object will preserve the items
    /// insertion order. Otherwise, items will be sorted
    /// by keys.
};


//@ deprecated
void Foundation_API toJSON(const std::string & value, std::ostream & out, bool wrap = true);
/// Formats string value into the supplied output stream by
/// escaping control and ALL Unicode characters.
/// If wrap is true, the resulting string is enclosed in double quotes.
///
/// This function is deprecated, please use
///
/// void Poco::toJSON(const std::string&, std::ostream&, int)


//@ deprecated
std::string Foundation_API toJSON(const std::string & value, bool wrap = true);
/// Formats string value by escaping control and ALL Unicode characters.
/// If wrap is true, the resulting string is enclosed in double quotes
///
/// Returns formatted string.
///
/// This function is deprecated, please use
///
/// std::string Poco::toJSON(const std::string&, int)


void Foundation_API toJSON(const std::string & value, std::ostream & out, int options);
/// Formats string value into the supplied output stream by
/// escaping control characters.
/// If JSON_WRAP_STRINGS is in options, the resulting strings is enclosed in double quotes
/// If JSON_ESCAPE_UNICODE is in options, all unicode characters will be escaped, otherwise
/// only the compulsory ones.


std::string Foundation_API toJSON(const std::string & value, int options);
/// Formats string value by escaping control characters.
/// If JSON_WRAP_STRINGS is in options, the resulting string is enclosed in double quotes
/// If JSON_ESCAPE_UNICODE is in options, all unicode characters will be escaped, otherwise
/// only the compulsory ones.
///
/// Returns formatted string.
/// If escapeAllUnicode is true, all unicode characters will be escaped, otherwise only the compulsory ones.


} // namespace Poco


#endif // Foundation_JSONString_INCLUDED