Messagelib

messagecore/src/helpers/nodehelper.cpp
1/*
2 SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
3 SPDX-FileCopyrightText: 2009 Andras Mantia <andras@kdab.net>
4 SPDX-FileCopyrightText: 2010 Leo Franchi <lfranchi@kde.org>
5
6 SPDX-License-Identifier: GPL-2.0-or-later
7*/
8
9#include "nodehelper.h"
10
11#include <KMime/Content>
12#include <KMime/KMimeMessage>
13
15{
16 if (!node) {
17 return nullptr;
18 }
19
20 KMime::Content *next = nullptr;
21 KMime::Content *parent = node->parent();
22 if (parent) {
23 const auto contents = parent->contents();
24 const int index = contents.indexOf(const_cast<KMime::Content *>(node)) + 1;
25 if (index < contents.size()) { // next on the same level
26 next = contents.at(index);
27 }
28 }
29
30 return next;
31}
32
34{
35 if (allowChildren) {
36 if (KMime::Content *child = firstChild(node)) {
37 return child;
38 }
39 }
40
41 if (KMime::Content *sibling = nextSibling(node)) {
42 return sibling;
43 }
44
45 for (KMime::Content *parent = node->parent(); parent; parent = parent->parent()) {
46 if (KMime::Content *sibling = nextSibling(parent)) {
47 return sibling;
48 }
49 }
50
51 return nullptr;
52}
53
55{
56 if (!node) {
57 return nullptr;
58 }
59
60 KMime::Content *child = nullptr;
61 if (!node->contents().isEmpty()) {
62 child = node->contents().at(0);
63 }
64
65 return child;
66}
Content * parent() const
QList< Content * > contents() const
MESSAGECORE_EXPORT KMime::Content * firstChild(const KMime::Content *node)
Returns the first child node of the given node.
MESSAGECORE_EXPORT KMime::Content * next(KMime::Content *node, bool allowChildren=true)
Returns the next node (child, sibling or parent) of the given node.
MESSAGECORE_EXPORT KMime::Content * nextSibling(const KMime::Content *node)
Returns the next sibling node of the given node.
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