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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WebCString_h | |
| 32 #define WebCString_h | |
| 33 | |
| 34 #include "WebCommon.h" | |
| 35 | |
| 36 #if WEBKIT_IMPLEMENTATION | |
| 37 namespace WebCore { class CString; } | |
| 38 #else | |
| 39 #include <string> | |
| 40 #endif | |
| 41 | |
| 42 namespace WebKit { | |
| 43 | |
| 44 class WebCStringPrivate; | |
| 45 class WebString; | |
| 46 | |
| 47 // A single-byte string container with unspecified encoding. It is | |
| 48 // inexpensive to copy a WebCString object. | |
| 49 // | |
| 50 // WARNING: It is not safe to pass a WebCString across threads!!! | |
| 51 // | |
| 52 class WebCString { | |
| 53 public: | |
| 54 ~WebCString() { reset(); } | |
| 55 | |
| 56 WebCString() : m_private(0) { } | |
| 57 | |
| 58 WebCString(const char* data, size_t len) : m_private(0) | |
| 59 { | |
| 60 assign(data, len); | |
| 61 } | |
| 62 | |
| 63 WebCString(const WebCString& s) : m_private(0) { assign(s); } | |
| 64 | |
| 65 WebCString& operator=(const WebCString& s) | |
| 66 { | |
| 67 assign(s); | |
| 68 return *this; | |
| 69 } | |
| 70 | |
| 71 WEBKIT_API void reset(); | |
| 72 WEBKIT_API void assign(const WebCString&); | |
| 73 WEBKIT_API void assign(const char* data, size_t len); | |
| 74 | |
| 75 WEBKIT_API size_t length() const; | |
| 76 WEBKIT_API const char* data() const; | |
| 77 | |
| 78 bool isEmpty() const { return !length(); } | |
| 79 bool isNull() const { return !m_private; } | |
| 80 | |
| 81 WEBKIT_API WebString utf16() const; | |
| 82 | |
| 83 WEBKIT_API static WebCString fromUTF16(const WebUChar* data, size_t length); | |
| 84 WEBKIT_API static WebCString fromUTF16(const WebUChar* data); | |
| 85 | |
| 86 #if WEBKIT_IMPLEMENTATION | |
| 87 WebCString(const WebCore::CString&); | |
| 88 WebCString& operator=(const WebCore::CString&); | |
| 89 operator WebCore::CString() const; | |
| 90 #else | |
| 91 WebCString(const std::string& s) : m_private(0) | |
| 92 { | |
| 93 assign(s.data(), s.length()); | |
| 94 } | |
| 95 | |
| 96 WebCString& operator=(const std::string& s) | |
| 97 { | |
| 98 assign(s.data(), s.length()); | |
| 99 return *this; | |
| 100 } | |
| 101 | |
| 102 operator std::string() const | |
| 103 { | |
| 104 size_t len = length(); | |
| 105 return len ? std::string(data(), len) : std::string(); | |
| 106 } | |
| 107 | |
| 108 template <class UTF16String> | |
| 109 static WebCString fromUTF16(const UTF16String& s) | |
| 110 { | |
| 111 return fromUTF16(s.data(), s.length()); | |
| 112 } | |
| 113 #endif | |
| 114 | |
| 115 private: | |
| 116 void assign(WebCStringPrivate*); | |
| 117 WebCStringPrivate* m_private; | |
| 118 }; | |
| 119 | |
| 120 } // namespace WebKit | |
| 121 | |
| 122 #endif | |
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