Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 | * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 | * (C) 2001 Peter Kelly (pmk@post.com) |
| 5 | * (C) 2001 Dirk Mueller (mueller@kde.org) |
| 6 | * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved. |
| 7 | * |
| 8 | * This library is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Library General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This library is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Library General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Library General Public License |
| 19 | * along with this library; see the file COPYING.LIB. If not, write to |
| 20 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 21 | * Boston, MA 02110-1301, USA. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #ifndef Attribute_h |
| 26 | #define Attribute_h |
| 27 | |
| 28 | #include "core/dom/QualifiedName.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 29 | |
| 30 | namespace WebCore { |
| 31 | |
| 32 | // This has no counterpart in DOM. |
| 33 | // It is an internal representation of the node value of an Attr. |
| 34 | // The actual Attr with its value as a Text child is allocated only if needed. |
| 35 | class Attribute { |
| 36 | public: |
| 37 | Attribute(const QualifiedName& name, const AtomicString& value) |
| 38 | : m_name(name) |
| 39 | , m_value(value) |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | // NOTE: The references returned by these functions are only valid for as long |
| 44 | // as the Attribute stays in place. For example, calling a function that mutates |
| 45 | // an Element's internal attribute storage may invalidate them. |
| 46 | const AtomicString& value() const { return m_value; } |
| 47 | const AtomicString& prefix() const { return m_name.prefix(); } |
| 48 | const AtomicString& localName() const { return m_name.localName(); } |
| 49 | const AtomicString& namespaceURI() const { return m_name.namespaceURI(); } |
| 50 | |
| 51 | const QualifiedName& name() const { return m_name; } |
| 52 | |
| 53 | bool isEmpty() const { return m_value.isEmpty(); } |
| 54 | bool matches(const QualifiedName&) const; |
| 55 | |
| 56 | void setValue(const AtomicString& value) { m_value = value; } |
| 57 | void setPrefix(const AtomicString& prefix) { m_name.setPrefix(prefix); } |
| 58 | |
| 59 | // Note: This API is only for HTMLTreeBuilder. It is not safe to change the |
| 60 | // name of an attribute once parseAttribute has been called as DOM |
| 61 | // elements may have placed the Attribute in a hash by name. |
| 62 | void parserSetName(const QualifiedName& name) { m_name = name; } |
| 63 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 64 | #if COMPILER(MSVC) |
| 65 | // NOTE: This constructor is not actually implemented, it's just defined so MSVC |
| 66 | // will let us use a zero-length array of Attributes. |
| 67 | Attribute(); |
| 68 | #endif |
| 69 | |
| 70 | private: |
| 71 | QualifiedName m_name; |
| 72 | AtomicString m_value; |
| 73 | }; |
| 74 | |
| 75 | inline bool Attribute::matches(const QualifiedName& qualifiedName) const |
| 76 | { |
| 77 | if (qualifiedName.localName() != localName()) |
| 78 | return false; |
| 79 | return qualifiedName.prefix() == starAtom || qualifiedName.namespaceURI() == namespaceURI(); |
| 80 | } |
| 81 | |
| 82 | } // namespace WebCore |
| 83 | |
| 84 | #endif // Attribute_h |