1 /* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * Copyright (C) 2009 Google Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef WebDOMString_h 22 #define WebDOMString_h 23 24 #include <WebDOMCString.h> 25 #include <wtf/Forward.h> 26 27 class WebDOMStringPrivate; 28 29 // A UTF-16 string container. It is inexpensive to copy a WebDOMString 30 // object. 31 // 32 // WARNING: It is not safe to pass a WebDOMString across threads!!! 33 // 34 class WebDOMString { 35 public: ~WebDOMString()36 ~WebDOMString() { reset(); } 37 WebDOMString()38 WebDOMString() : m_private(0) { } 39 WebDOMString(const WebUChar * data,size_t len)40 WebDOMString(const WebUChar* data, size_t len) : m_private(0) 41 { 42 assign(data, len); 43 } 44 WebDOMString(const WebDOMString & s)45 WebDOMString(const WebDOMString& s) : m_private(0) { assign(s); } 46 47 WebDOMString& operator=(const WebDOMString& s) 48 { 49 assign(s); 50 return *this; 51 } 52 53 void reset(); 54 void assign(const WebDOMString&); 55 void assign(const WebUChar* data, size_t len); 56 57 size_t length() const; 58 const WebUChar* data() const; 59 isEmpty()60 bool isEmpty() const { return !length(); } isNull()61 bool isNull() const { return !m_private; } 62 63 WebDOMCString utf8() const; 64 65 static WebDOMString fromUTF8(const char* data, size_t length); 66 static WebDOMString fromUTF8(const char* data); 67 WebDOMString(const char (& data)[N])68 template <int N> WebDOMString(const char (&data)[N]) 69 : m_private(0) 70 { 71 assign(fromUTF8(data, N - 1)); 72 } 73 74 template <int N> WebDOMString& operator=(const char (&data)[N]) 75 { 76 assign(fromUTF8(data, N - 1)); 77 return *this; 78 } 79 80 WebDOMString(const WTF::String&); 81 WebDOMString& operator=(const WTF::String&); 82 operator WTF::String() const; 83 84 WebDOMString(const WTF::AtomicString&); 85 WebDOMString& operator=(const WTF::AtomicString&); 86 operator WTF::AtomicString() const; 87 88 bool equals(const char* string) const; 89 90 private: 91 void assign(WebDOMStringPrivate*); 92 WebDOMStringPrivate* m_private; 93 }; 94 95 #endif 96