1 | /* |
2 | * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 | * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 | * Copyright (C) 2003-2018 Apple Inc. All rights reserved. |
5 | * |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Library General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2 of the License, or (at your option) any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Library General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Library General Public License |
17 | * along with this library; see the file COPYING.LIB. If not, write to |
18 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 | * Boston, MA 02110-1301, USA. |
20 | * |
21 | */ |
22 | |
23 | #pragma once |
24 | |
25 | #include "CharacterData.h" |
26 | #include "RenderPtr.h" |
27 | |
28 | namespace WebCore { |
29 | |
30 | class RenderText; |
31 | |
32 | class Text : public CharacterData { |
33 | WTF_MAKE_ISO_ALLOCATED(Text); |
34 | public: |
35 | static const unsigned defaultLengthLimit = 1 << 16; |
36 | |
37 | static Ref<Text> create(Document&, const String&); |
38 | static Ref<Text> createWithLengthLimit(Document&, const String&, unsigned positionInString, unsigned lengthLimit = defaultLengthLimit); |
39 | static Ref<Text> createEditingText(Document&, const String&); |
40 | |
41 | virtual ~Text(); |
42 | |
43 | WEBCORE_EXPORT ExceptionOr<Ref<Text>> splitText(unsigned offset); |
44 | |
45 | // DOM Level 3: http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1312295772 |
46 | |
47 | WEBCORE_EXPORT String wholeText() const; |
48 | WEBCORE_EXPORT RefPtr<Text> replaceWholeText(const String&); |
49 | |
50 | RenderPtr<RenderText> createTextRenderer(const RenderStyle&); |
51 | |
52 | bool canContainRangeEndPoint() const final { return true; } |
53 | |
54 | RenderText* renderer() const; |
55 | |
56 | void updateRendererAfterContentChange(unsigned offsetOfReplacedData, unsigned lengthOfReplacedData); |
57 | |
58 | protected: |
59 | Text(Document& document, const String& data, ConstructionType type) |
60 | : CharacterData(document, data, type) |
61 | { |
62 | } |
63 | |
64 | private: |
65 | String nodeName() const override; |
66 | NodeType nodeType() const override; |
67 | Ref<Node> cloneNodeInternal(Document&, CloningOperation) override; |
68 | bool childTypeAllowed(NodeType) const override; |
69 | |
70 | virtual Ref<Text> virtualCreate(const String&); |
71 | |
72 | #if ENABLE(TREE_DEBUGGING) |
73 | void formatForDebugger(char* buffer, unsigned length) const override; |
74 | #endif |
75 | }; |
76 | |
77 | } // namespace WebCore |
78 | |
79 | SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::Text) |
80 | static bool isType(const WebCore::Node& node) { return node.isTextNode(); } |
81 | SPECIALIZE_TYPE_TRAITS_END() |
82 | |