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require 'sqlite3/constants'
module SQLite3
class Exception < ::StandardError
@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
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