Warning.h

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/*
 * Copyright Onix Solutions Limited [OnixS]. All rights reserved.
 *
 * This software owned by Onix Solutions Limited [OnixS] and is protected by copyright law
 * and international copyright treaties.
 *
 * Access to and use of the software is governed by the terms of the applicable ONIXS Software
 * Services Agreement (the Agreement) and Customer end user license agreements granting
 * a non-assignable, non-transferable and non-exclusive license to use the software
 * for it's own data processing purposes under the terms defined in the Agreement.
 *
 * Except as otherwise granted within the terms of the Agreement, copying or reproduction of any part
 * of this source code or associated reference material to any other location for further reproduction
 * or redistribution, and any amendments to this copyright notice, are expressly prohibited.
 *
 * Any reproduction or redistribution for sale or hiring of the Software not in accordance with
 * the terms of the Agreement is a violation of copyright law.
 */

#pragma once

#include <OnixS/Senaf/MarketData/Export.h>

#include <iosfwd>
#include <string>

namespace OnixS { namespace Senaf { namespace MarketData {

/// List of known warnings.
struct ONIXS_BME_SENAF_EXPORT KnownWarnings
{
    /// List of known warnings.
    enum Enum
    {
        /// General-purpose warning.
        Generic,
    };

    /// Returns constant from its text presentation.
    static Enum deserialize(const char* value);

    /// Returns description of a particular warning.
    static const char* toString(Enum value);
};

/// Code of warning.
typedef KnownWarnings::Enum WarningCode;

/// Warning.
class ONIXS_BME_SENAF_EXPORT Warning
{
public:
    /// Initializes instance with just a code.
    Warning(const std::string& source, WarningCode code);

    /// Initializes instance with code and description.
    Warning(const std::string& source, WarningCode code, const std::string& description);

    /// Initializes as clone of another warning.
    Warning(const Warning& other);

    /// Cleans internal resources.
    ~Warning();

    /// Code of warning.
    WarningCode code() const;

    /// Human readable description.
    const char* description() const;

    /// Origin of the warning.
    const char* source() const;

    /// String presentation of an warning.
    std::string toString() const;

    /// Appends presentation of an warning to the string.
    void toString(std::string&) const;

    /// Copies warning attributes from another instance.
    Warning& operator=(const Warning& other);

private:
    enum Traits
    {
        SourceMaxLength = 128,
        DescriptionMaxLength = 1024
    };

    WarningCode code_;
    char source_[SourceMaxLength];
    char description_[DescriptionMaxLength];
};

/// Make it printable to formatted C++ I/O streams.
ONIXS_BME_SENAF_EXPORT std::ostream& operator<<(std::ostream&, const Warning&);

inline WarningCode Warning::code() const
{
    return code_;
}

inline const char* Warning::description() const
{
    return description_;
}

inline const char* Warning::source() const
{
    return source_;
}

inline std::string Warning::toString() const
{
    std::string str;
    toString(str);
    return str;
}

}}}                                                        // namespace MarketData, Senaf, OnixS