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| author | Ben Murdoch <benm@google.com> | 2011-05-13 16:23:25 +0100 |
|---|---|---|
| committer | Ben Murdoch <benm@google.com> | 2011-05-16 11:35:02 +0100 |
| commit | 65f03d4f644ce73618e5f4f50dd694b26f55ae12 (patch) | |
| tree | f478babb801e720de7bfaee23443ffe029f58731 /Source/WebKit/chromium/public/WebCString.h | |
| parent | 47de4a2fb7262c7ebdb9cd133ad2c54c187454d0 (diff) | |
| download | external_webkit-65f03d4f644ce73618e5f4f50dd694b26f55ae12.zip external_webkit-65f03d4f644ce73618e5f4f50dd694b26f55ae12.tar.gz external_webkit-65f03d4f644ce73618e5f4f50dd694b26f55ae12.tar.bz2 | |
Merge WebKit at r75993: Initial merge by git.
Change-Id: I602bbdc3974787a3b0450456a30a7868286921c3
Diffstat (limited to 'Source/WebKit/chromium/public/WebCString.h')
| -rw-r--r-- | Source/WebKit/chromium/public/WebCString.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/Source/WebKit/chromium/public/WebCString.h b/Source/WebKit/chromium/public/WebCString.h new file mode 100644 index 0000000..0320eb6 --- /dev/null +++ b/Source/WebKit/chromium/public/WebCString.h @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2009 Google Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef WebCString_h +#define WebCString_h + +#include "WebCommon.h" + +#if WEBKIT_IMPLEMENTATION +#include <wtf/Forward.h> +#else +#include <string> +#endif + +namespace WTF { +class CString; +} + +namespace WebKit { + +class WebCStringPrivate; +class WebString; + +// A single-byte string container with unspecified encoding. It is +// inexpensive to copy a WebCString object. +// +// WARNING: It is not safe to pass a WebCString across threads!!! +// +class WebCString { +public: + ~WebCString() { reset(); } + + WebCString() : m_private(0) { } + + WebCString(const char* data, size_t len) : m_private(0) + { + assign(data, len); + } + + WebCString(const WebCString& s) : m_private(0) { assign(s); } + + WebCString& operator=(const WebCString& s) + { + assign(s); + return *this; + } + + // Returns 0 if both strings are equals, a value greater than zero if the + // first character that does not match has a greater value in this string + // than in |other|, or a value less than zero to indicate the opposite. + WEBKIT_API int compare(const WebCString& other) const; + + WEBKIT_API void reset(); + WEBKIT_API void assign(const WebCString&); + WEBKIT_API void assign(const char* data, size_t len); + + WEBKIT_API size_t length() const; + WEBKIT_API const char* data() const; + + bool isEmpty() const { return !length(); } + bool isNull() const { return !m_private; } + + WEBKIT_API WebString utf16() const; + + WEBKIT_API static WebCString fromUTF16(const WebUChar* data, size_t length); + WEBKIT_API static WebCString fromUTF16(const WebUChar* data); + +#if WEBKIT_IMPLEMENTATION + WebCString(const WTF::CString&); + WebCString& operator=(const WTF::CString&); + operator WTF::CString() const; +#else + WebCString(const std::string& s) : m_private(0) + { + assign(s.data(), s.length()); + } + + WebCString& operator=(const std::string& s) + { + assign(s.data(), s.length()); + return *this; + } + + operator std::string() const + { + size_t len = length(); + return len ? std::string(data(), len) : std::string(); + } + + template <class UTF16String> + static WebCString fromUTF16(const UTF16String& s) + { + return fromUTF16(s.data(), s.length()); + } +#endif + +private: + void assign(WebCStringPrivate*); + WebCStringPrivate* m_private; +}; + +inline bool operator<(const WebCString& a, const WebCString& b) +{ + return a.compare(b) < 0; +} + +} // namespace WebKit + +#endif |
