54 lines
2.6 KiB
C++
54 lines
2.6 KiB
C++
/* Copyright (C) 2007 J.F.Dockes
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _xmacros_h_included_
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#define _xmacros_h_included_
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// Generic Xapian exception catching code. We do this quite often,
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// and I have no idea how to do this except for a macro
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#define XCATCHERROR(MSG) \
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catch (const Xapian::Error &e) { \
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MSG = e.get_msg(); \
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if (MSG.empty()) MSG = "Empty error message"; \
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} catch (const std::string &s) { \
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MSG = s; \
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if (MSG.empty()) MSG = "Empty error message"; \
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} catch (const char *s) { \
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MSG = s; \
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if (MSG.empty()) MSG = "Empty error message"; \
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} catch (std::exception& ex) { \
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MSG = std::string("Caught std::exception: ") + ex.what(); \
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} catch (...) { \
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MSG = std::string("Caught unknown exception??"); \
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}
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#define XAPTRY(STMTTOTRY, XAPDB, ERSTR) \
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for (int tries = 0; tries < 2; tries++) { \
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try { \
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STMTTOTRY; \
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ERSTR.erase(); \
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break; \
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} catch (const Xapian::DatabaseModifiedError &e) { \
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ERSTR = e.get_msg(); \
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XAPDB.reopen(); \
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continue; \
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} XCATCHERROR(ERSTR); \
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break; \
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}
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#endif
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