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239ee6797a
This was discovered while trying to fix bug 796792. However that bug itself is totally unrelated.
67 lines
2.7 KiB
C++
67 lines
2.7 KiB
C++
/********************************************************************
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* gnc-xml-backend.hpp: Declare XML file backend. *
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* Copyright 2016 John Ralls <jralls@ceridwen.us> *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License*
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* along with this program; if not, contact: *
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* *
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* Free Software Foundation Voice: +1-617-542-5942 *
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* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
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* Boston, MA 02110-1301, USA gnu@gnu.org *
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\********************************************************************/
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#ifndef __GNC_XML_BACKEND_HPP__
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#define __GNC_XML_BACKEND_HPP__
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extern "C"
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{
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#include <qof.h>
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}
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#include <string>
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#include <qof-backend.hpp>
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class GncXmlBackend : public QofBackend
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{
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public:
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GncXmlBackend() = default;
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GncXmlBackend(const GncXmlBackend&) = delete;
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GncXmlBackend operator=(const GncXmlBackend&) = delete;
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GncXmlBackend(const GncXmlBackend&&) = delete;
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GncXmlBackend operator=(const GncXmlBackend&&) = delete;
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~GncXmlBackend() = default;
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void session_begin(QofSession* session, const char* book_id,
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bool ignore_lock, bool create, bool force) override;
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void session_end() override;
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void load(QofBook* book, QofBackendLoadType loadType) override;
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/* The XML backend isn't able to do anything with individual instances. */
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void export_coa(QofBook*) override;
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void sync(QofBook* book) override;
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void safe_sync(QofBook* book) override { sync(book); } // XML sync is inherently safe.
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const char * get_filename() { return m_fullpath.c_str(); }
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QofBook* get_book() { return m_book; }
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private:
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bool save_may_clobber_data();
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bool get_file_lock();
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bool link_or_make_backup(const std::string& orig, const std::string& bkup);
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bool backup_file();
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bool write_to_file(bool make_backup);
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void remove_old_files();
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void write_accounts(QofBook* book);
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bool check_path(const char* fullpath, bool create);
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std::string m_dirname;
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std::string m_lockfile;
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std::string m_linkfile;
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int m_lockfd;
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QofBook* m_book = nullptr; /* The primary, main open book */
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};
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#endif // __GNC_XML_BACKEND_HPP__
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