100 lines
3.9 KiB
Ruby
100 lines
3.9 KiB
Ruby
#--
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# =============================================================================
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# Copyright (c) 2004, Jamis Buck (jgb3@email.byu.edu)
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# * The names of its contributors may not be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# =============================================================================
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#++
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require 'sqlite3/constants'
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module SQLite3
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class Exception < ::Exception
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@code = 0
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# The numeric error code that this exception represents.
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def self.code
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@code
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end
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# A convenience for accessing the error code for this exception.
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def code
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self.class.code
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end
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end
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class SQLException < Exception; end
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class InternalException < Exception; end
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class PermissionException < Exception; end
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class AbortException < Exception; end
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class BusyException < Exception; end
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class LockedException < Exception; end
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class MemoryException < Exception; end
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class ReadOnlyException < Exception; end
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class InterruptException < Exception; end
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class IOException < Exception; end
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class CorruptException < Exception; end
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class NotFoundException < Exception; end
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class FullException < Exception; end
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class CantOpenException < Exception; end
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class ProtocolException < Exception; end
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class EmptyException < Exception; end
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class SchemaChangedException < Exception; end
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class TooBigException < Exception; end
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class ConstraintException < Exception; end
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class MismatchException < Exception; end
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class MisuseException < Exception; end
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class UnsupportedException < Exception; end
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class AuthorizationException < Exception; end
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class FormatException < Exception; end
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class RangeException < Exception; end
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class NotADatabaseException < Exception; end
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EXCEPTIONS = [
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nil,
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SQLException, InternalException, PermissionException,
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AbortException, BusyException, LockedException, MemoryException,
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ReadOnlyException, InterruptException, IOException, CorruptException,
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NotFoundException, FullException, CantOpenException, ProtocolException,
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EmptyException, SchemaChangedException, TooBigException,
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ConstraintException, MismatchException, MisuseException,
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UnsupportedException, AuthorizationException, FormatException,
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RangeException, NotADatabaseException
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].each_with_index { |e,i| e.instance_variable_set( :@code, i ) if e }
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module Error
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def check( result, db=nil, msg=nil )
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unless result == Constants::ErrorCode::OK
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msg = ( msg ? msg + ": " : "" ) + db.errmsg if db
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raise ( EXCEPTIONS[result] || SQLite3::Exception ), msg
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end
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end
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module_function :check
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end
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end
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