exception.h

/***************************************************************************************************************************************************/
/*  DocToText - A multifaceted, data extraction software development toolkit that converts all sorts of files to plain text and html.              */
/*  Written in C++, this data extraction tool has a parser able to convert PST & OST files along with a brand new API for better file processing.  */
/*  To enhance its utility, DocToText, as a data extraction tool, can be integrated with other data mining and data analytics applications.        */
/*  It comes equipped with a high grade, scriptable and trainable OCR that has LSTM neural networks based character recognition.                   */
/*                                                                                                                                                 */
/*  This document parser is able to extract metadata along with annotations and supports a list of formats that include:                           */
/*  DOC, XLS, XLSB, PPT, RTF, ODF (ODT, ODS, ODP), OOXML (DOCX, XLSX, PPTX), iWork (PAGES, NUMBERS, KEYNOTE), ODFXML (FODP, FODS, FODT),           */
/*  PDF, EML, HTML, Outlook (PST, OST), Image (JPG, JPEG, JFIF, BMP, PNM, PNG, TIFF, WEBP) and DICOM (DCM)                                         */
/*                                                                                                                                                 */
/*  Copyright (c) SILVERCODERS Ltd                                                                                                                 */
/*  http://silvercoders.com                                                                                                                        */
/*                                                                                                                                                 */
/*  Project homepage:                                                                                                                              */
/*  http://silvercoders.com/en/products/doctotext                                                                                                  */
/*  https://www.docwire.io/                                                                                                                        */
/*                                                                                                                                                 */
/*  The GNU General Public License version 2 as published by the Free Software Foundation and found in the file COPYING.GPL permits                */
/*  the distribution and/or modification of this application.                                                                                      */
/*                                                                                                                                                 */
/*  Please keep in mind that any attempt to circumvent the terms of the GNU General Public License by employing wrappers, pipelines,               */
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/*  other than the GNU General Public License version 2, directly or indirectly calls any portion of this code.                                    */
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/*                                                                                                                                                 */
/*  According to the terms of the license provided by SILVERCODERS and included in the file COPYING.COM, licensees in possession of                */
/*  a current commercial license for this product may use this file.                                                                               */
/*                                                                                                                                                 */
/*  This program is provided WITHOUT ANY WARRANTY, not even the implicit warranty of merchantability or fitness for a particular purpose.          */
/*  It is supplied in the hope that it will be useful.                                                                                             */
/***************************************************************************************************************************************************/
 
#ifndef DOCTOTEXT_EXCEPTION_H
#define DOCTOTEXT_EXCEPTION_H
 
#include <exception>
#include <list>
#include <string>
#include "defines.h"
 
namespace doctotext
{
    class DllExport Exception : public std::exception
    {
        private:
            struct Implementation;
            Implementation* impl;
 
        public:
 
            Exception() noexcept;
 
            explicit Exception(const std::string& first_error_message) noexcept;
 
            Exception(const Exception& ex) noexcept;
 
            ~Exception() noexcept;
 
            Exception& operator = (const Exception& ex) noexcept;
 
            const char* what(){ return "doctotext_exception"; }
 
            std::string getBacktrace();
 
            void appendError(const std::string& error_message);
 
            std::list<std::string>::iterator getErrorIterator() const;
 
            size_t getErrorCount() const;
    };
 
    class EncryptedFileException : public Exception
    {
    public:
        explicit EncryptedFileException(const std::string &msg)
            : Exception(msg)
        {}
    };
} // namespace doctotext
 
#endif