instiki/vendor/sqlite3-ruby/sqlite3/errors.rb

101 lines
3.9 KiB
Ruby

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