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# exceptions.h

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    00001
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    00005
    00006
    00007 /***********************************************************************
    00008  Copyright (c) 1998 by Kevin Atkinson, (c) 1999, 2000 and 2001 by
    00009  MySQL AB, and (c) 2004, 2005 by Educational Technology Resources, Inc.
    00010  Others may also hold copyrights on code in this file.  See the CREDITS
    00011  file in 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 #ifndef MYSQLPP_EXCEPTIONS_H
    00032 #define MYSQLPP_EXCEPTIONS_H
    00033
    00034 #include "connection.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 BadNullConversion : public Exception
    00179 {
    00180 public:
    00182         explicit BadNullConversion(const char* w = "") :
    00183         Exception(w)
    00184         {
    00185         }
    00186 };
    00187
    00188
    00191
    00192 class MYSQLPP_EXPORT BadOption : public Exception
    00193 {
    00194 public:
    00196         explicit BadOption(const char* w,
    00197                         Connection::Option o) :
    00198         Exception(w),
    00199         option_(o)
    00200         {
    00201         }
    00202
    00204         explicit BadOption(const std::string& w,
    00205                         Connection::Option o) :
    00206         Exception(w),
    00207         option_(o)
    00208         {
    00209         }
    00210
    00212         Connection::Option what_option() const { return option_; }
    00213
    00214 private:
    00215         Connection::Option option_;
    00216 };
    00217
    00218
    00223
    00224 class MYSQLPP_EXPORT BadParamCount : public Exception
    00225 {
    00226 public:
    00228         explicit BadParamCount(const char* w = "") :
    00229         Exception(w)
    00230         {
    00231         }
    00232
    00234         ~BadParamCount() throw() { }
    00235 };
    00236
    00237
    00244
    00245 class MYSQLPP_EXPORT BadQuery : public Exception
    00246 {
    00247 public:
    00249         explicit BadQuery(const char* w = "") :
    00250         Exception(w)
    00251         {
    00252         }
    00253
    00255         explicit BadQuery(const std::string& w) :
    00256         Exception(w)
    00257         {
    00258         }
    00259 };
    00260
    00261
    00265
    00266 class MYSQLPP_EXPORT ConnectionFailed : public Exception
    00267 {
    00268 public:
    00270         explicit ConnectionFailed(const char* w = "") :
    00271         Exception(w)
    00272         {
    00273         }
    00274 };
    00275
    00276
    00279
    00280 class MYSQLPP_EXPORT DBSelectionFailed : public Exception
    00281 {
    00282 public:
    00284         explicit DBSelectionFailed(const char* w = "") :
    00285         Exception(w)
    00286         {
    00287         }
    00288 };
    00289
    00290
    00293
    00294 class MYSQLPP_EXPORT EndOfResults : public Exception
    00295 {
    00296 public:
    00298         explicit EndOfResults(const char* w = "end of results") :
    00299         Exception(w)
    00300         {
    00301         }
    00302 };
    00303
    00304
    00307
    00308 class MYSQLPP_EXPORT EndOfResultSets : public Exception
    00309 {
    00310 public:
    00312         explicit EndOfResultSets(const char* w = "end of result sets") :
    00313         Exception(w)
    00314         {
    00315         }
    00316 };
    00317
    00318
    00326
    00327 class MYSQLPP_EXPORT LockFailed : public Exception
    00328 {
    00329 public:
    00331         explicit LockFailed(const char* w = "lock failed") :
    00332         Exception(w)
    00333         {
    00334         }
    00335 };
    00336
    00337
    00340
    00341 class MYSQLPP_EXPORT ObjectNotInitialized : public Exception
    00342 {
    00343 public:
    00345         explicit ObjectNotInitialized(const char* w = "") :
    00346         Exception(w)
    00347         {
    00348         }
    00349 };
    00350
    00351
    00352 } // end namespace mysqlpp
    00353
    00354 #endif