1// Copyright (c) 2012 - Cloud Instruments Co., Ltd.
2//
3// All rights reserved.
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7//
8// 1. Redistributions of source code must retain the above copyright notice, this
9//    list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright notice,
11//    this list of conditions and the following disclaimer in the documentation
12//    and/or other materials provided with the distribution.
13//
14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
25package seelog
26
27import (
28	"errors"
29)
30
31var (
32	errNodeMustHaveChildren   = errors.New("node must have children")
33	errNodeCannotHaveChildren = errors.New("node cannot have children")
34)
35
36type unexpectedChildElementError struct {
37	baseError
38}
39
40func newUnexpectedChildElementError(msg string) *unexpectedChildElementError {
41	custmsg := "Unexpected child element: " + msg
42	return &unexpectedChildElementError{baseError{message: custmsg}}
43}
44
45type missingArgumentError struct {
46	baseError
47}
48
49func newMissingArgumentError(nodeName, attrName string) *missingArgumentError {
50	custmsg := "Output '" + nodeName + "' has no '" + attrName + "' attribute"
51	return &missingArgumentError{baseError{message: custmsg}}
52}
53
54type unexpectedAttributeError struct {
55	baseError
56}
57
58func newUnexpectedAttributeError(nodeName, attr string) *unexpectedAttributeError {
59	custmsg := nodeName + " has unexpected attribute: " + attr
60	return &unexpectedAttributeError{baseError{message: custmsg}}
61}
62