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# exceptions.h

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    00001
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    00006
    00007 /***********************************************************************
    00008  Copyright (c) 1998 by Kevin Atkinson, (c) 1999-2001 by MySQL AB, and
    00009  (c) 2004-2007 by Educational Technology Resources, Inc.  Others may
    00010  also hold copyrights on code in this file.  See the CREDITS file in
    00011  the top directory of the distribution for details.
    00012
    00013  This file is part of MySQL++.
    00014
    00015  MySQL++ is free software; you can redistribute it and/or modify it
    00016  under the terms of the GNU Lesser General Public License as published
    00017  by the Free Software Foundation; either version 2.1 of the License, or
    00018  (at your option) any later version.
    00019
    00020  MySQL++ is distributed in the hope that it will be useful, but WITHOUT
    00021  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    00022  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
    00023  License for more details.
    00024
    00025  You should have received a copy of the GNU Lesser General Public
    00026  License along with MySQL++; if not, write to the Free Software
    00027  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
    00028  USA
    00029 ***********************************************************************/
    00030
    00031 #if !defined(MYSQLPP_EXCEPTIONS_H)
    00032 #define MYSQLPP_EXCEPTIONS_H
    00033
    00034 #include "options.h"
    00035
    00036 #include <exception>
    00037 #include <string>
    00038
    00039 namespace mysqlpp {
    00040
    00042
    00043 class MYSQLPP_EXPORT Exception : public std::exception
    00044 {
    00045 public:
    00047         Exception(const Exception& e) throw() :
    00048         std::exception(e),
    00049         what_(e.what_)
    00050         {
    00051         }
    00052
    00054         Exception& operator=(const Exception& rhs) throw()
    00055         {
    00056                 what_ = rhs.what_;
    00057                 return *this;
    00058         }
    00059
    00061         ~Exception() throw() { }
    00062
    00064         virtual const char* what() const throw()
    00065         {
    00066                 return what_.c_str();
    00067         }
    00068
    00069 protected:
    00071         Exception(const char* w = "") throw() :
    00072         what_(w)
    00073         {
    00074         }
    00075
    00077         Exception(const std::string& w) throw() :
    00078         what_(w)
    00079         {
    00080         }
    00081
    00083         std::string what_;
    00084 };
    00085
    00086
    00088
    00089 class MYSQLPP_EXPORT BadConversion : public Exception
    00090 {
    00091 public:
    00092         const char* type_name;
    00093         std::string data;
    00094         size_t retrieved;
    00095         size_t actual_size;
    00096
    00104         BadConversion(const char* tn, const char* d,
    00105                         size_t r, size_t a) :
    00106         Exception("Bad type conversion: \""),
    00107         type_name(tn),
    00108         data(d),
    00109         retrieved(r),
    00110         actual_size(a)
    00111         {
    00112                 what_ += d ? d : "<NULL>";
    00113                 what_ += "\" incompatible with \"";
    00114                 what_ += tn;
    00115                 what_ += "\" type";
    00116         }
    00117
    00125         BadConversion(const std::string& w, const char* tn,
    00126                                   const char* d, size_t r, size_t a) :
    00127         Exception(w),
    00128         type_name(tn),
    00129         data(d),
    00130         retrieved(r),
    00131         actual_size(a)
    00132         {
    00133         }
    00134
    00140         explicit BadConversion(const char* w = "") :
    00141         Exception(w),
    00142         type_name("unknown"),
    00143         data(""),
    00144         retrieved(0),
    00145         actual_size(0)
    00146         {
    00147         }
    00148
    00150         ~BadConversion() throw() { }
    00151 };
    00152
    00153
    00158
    00159 class MYSQLPP_EXPORT BadFieldName : public Exception
    00160 {
    00161 public:
    00165         explicit BadFieldName(const char* bad_field) :
    00166         Exception(std::string("Unknown field name: ") + bad_field)
    00167         {
    00168         }
    00169
    00171         ~BadFieldName() throw() { }
    00172 };
    00173
    00174
    00177
    00178 class MYSQLPP_EXPORT BadOption : public Exception
    00179 {
    00180 public:
    00182         explicit BadOption(const char* w, const std::type_info& ti) :
    00183         Exception(w),
    00184         ti_(ti)
    00185         {
    00186         }
    00187
    00189         explicit BadOption(const std::string& w, const std::type_info& ti) :
    00190         Exception(w),
    00191         ti_(ti)
    00192         {
    00193         }
    00194
    00199         const std::type_info& what_option() const { return ti_; }
    00200
    00201 private:
    00202         const std::type_info& ti_;
    00203 };
    00204
    00205
    00210
    00211 class MYSQLPP_EXPORT BadParamCount : public Exception
    00212 {
    00213 public:
    00215         explicit BadParamCount(const char* w = "") :
    00216         Exception(w)
    00217         {
    00218         }
    00219
    00221         ~BadParamCount() throw() { }
    00222 };
    00223
    00226
    00227 class MYSQLPP_EXPORT UseQueryError : public Exception
    00228 {
    00229 public:
    00231         explicit UseQueryError(const char* w = "") :
    00232         Exception(w)
    00233         {
    00234         }
    00235 };
    00236
    00237
    00257
    00258 class MYSQLPP_EXPORT BadQuery : public Exception
    00259 {
    00260 public:
    00265         explicit BadQuery(const char* w = "", int e = 0) :
    00266         Exception(w),
    00267         errnum_(e)
    00268         {
    00269         }
    00270
    00275         explicit BadQuery(const std::string& w, int e = 0) :
    00276         Exception(w),
    00277         errnum_(e)
    00278         {
    00279         }
    00280
    00287         int errnum() const { return errnum_; }
    00288
    00289 private:
    00290         int     errnum_;
    00291 };
    00292
    00293
    00300
    00301 class MYSQLPP_EXPORT ConnectionFailed : public Exception
    00302 {
    00303 public:
    00308         explicit ConnectionFailed(const char* w = "", int e = 0) :
    00309         Exception(w),
    00310         errnum_(e)
    00311         {
    00312         }
    00313
    00322         int errnum() const { return errnum_; }
    00323
    00324 private:
    00325         int     errnum_;
    00326 };
    00327
    00328
    00331
    00332 class MYSQLPP_EXPORT DBSelectionFailed : public Exception
    00333 {
    00334 public:
    00339         explicit DBSelectionFailed(const char* w = "", int e = 0) :
    00340         Exception(w),
    00341         errnum_(e)
    00342         {
    00343         }
    00344
    00353         int errnum() const { return errnum_; }
    00354
    00355 private:
    00356         int     errnum_;
    00357 };
    00358
    00359
    00361
    00362 class MYSQLPP_EXPORT MutexFailed : public Exception
    00363 {
    00364 public:
    00366         explicit MutexFailed(const char* w = "lock failed") :
    00367         Exception(w)
    00368         {
    00369         }
    00370 };
    00371
    00372
    00375
    00376 class MYSQLPP_EXPORT ObjectNotInitialized : public Exception
    00377 {
    00378 public:
    00380         explicit ObjectNotInitialized(const char* w = "") :
    00381         Exception(w)
    00382         {
    00383         }
    00384 };
    00385
    00386
    00388
    00389 class MYSQLPP_EXPORT SelfTestFailed : public Exception
    00390 {
    00391 public:
    00393         explicit SelfTestFailed(const std::string& w) :
    00394         Exception(w)
    00395         {
    00396         }
    00397 };
    00398
    00399
    00410
    00411 class MYSQLPP_EXPORT TypeLookupFailed : public Exception
    00412 {
    00413 public:
    00415         explicit TypeLookupFailed(const std::string& w) :
    00416         Exception(w)
    00417         {
    00418         }
    00419 };
    00420
    00421
    00422 } // end namespace mysqlpp
    00423
    00424 #endif // !defined(MYSQLPP_EXCEPTIONS_H)