Keep only base/extractor.[cc|h].

third_party/breakpad/src/common/windows/string_utils-inl.h

-// Copyright (c) 2006, 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.
-
-// string_utils-inl.h: Safer string manipulation on Windows, supporting
-// pre-MSVC8 environments.
-
-#ifndef COMMON_WINDOWS_STRING_UTILS_INL_H__
-#define COMMON_WINDOWS_STRING_UTILS_INL_H__
-
-#include <stdarg.h>
-#include <wchar.h>
-
-#include <string>
-
-// The "ll" printf format size specifier corresponding to |long long| was
-// intrudced in MSVC8.  Earlier versions did not provide this size specifier,
-// but "I64" can be used to print 64-bit types.  Don't use "I64" where "ll"
-// is available, in the event of oddball systems where |long long| is not
-// 64 bits wide.
-#if _MSC_VER >= 1400  // MSVC 2005/8
-#define WIN_STRING_FORMAT_LL "ll"
-#else  // MSC_VER >= 1400
-#define WIN_STRING_FORMAT_LL "I64"
-#endif  // MSC_VER >= 1400
-
-// A nonconforming version of swprintf, without the length argument, was
-// included with the CRT prior to MSVC8.  Although a conforming version was
-// also available via an overload, it is not reliably chosen.  _snwprintf
-// behaves as a standards-confirming swprintf should, so force the use of
-// _snwprintf when using older CRTs.
-#if _MSC_VER < 1400  // MSVC 2005/8
-#define swprintf _snwprintf
-#else
-// For MSVC8 and newer, swprintf_s is the recommended method. Conveniently,
-// it takes the same argument list as swprintf.
-#define swprintf swprintf_s
-#endif  // MSC_VER < 1400
-
-namespace google_breakpad {
-
-using std::string;
-using std::wstring;
-
-class WindowsStringUtils {
- public:
-  // Roughly equivalent to MSVC8's wcscpy_s, except pre-MSVC8, this does
-  // not fail if source is longer than destination_size.  The destination
-  // buffer is always 0-terminated.
-  static void safe_wcscpy(wchar_t *destination, size_t destination_size,
-                          const wchar_t *source);
-
-  // Roughly equivalent to MSVC8's wcsncpy_s, except that _TRUNCATE cannot
-  // be passed directly, and pre-MSVC8, this will not fail if source or count
-  // are longer than destination_size.  The destination buffer is always
-  // 0-terminated.
-  static void safe_wcsncpy(wchar_t *destination, size_t destination_size,
-                           const wchar_t *source, size_t count);
-
-  // Performs multi-byte to wide character conversion on C++ strings, using
-  // mbstowcs_s (MSVC8) or mbstowcs (pre-MSVC8).  Returns false on failure,
-  // without setting wcs.
-  static bool safe_mbstowcs(const string &mbs, wstring *wcs);
-
-  // The inverse of safe_mbstowcs.
-  static bool safe_wcstombs(const wstring &wcs, string *mbs);
-
-  // Returns the base name of a file, e.g. strips off the path.
-  static wstring GetBaseName(const wstring &filename);
-
- private:
-  // Disallow instantiation and other object-based operations.
-  WindowsStringUtils();
-  WindowsStringUtils(const WindowsStringUtils&);
-  ~WindowsStringUtils();
-  void operator=(const WindowsStringUtils&);
-};
-
-// static
-inline void WindowsStringUtils::safe_wcscpy(wchar_t *destination,
-                                            size_t destination_size,
-                                            const wchar_t *source) {
-#if _MSC_VER >= 1400  // MSVC 2005/8
-  wcscpy_s(destination, destination_size, source);
-#else  // _MSC_VER >= 1400
-  // Pre-MSVC 2005/8 doesn't have wcscpy_s.  Simulate it with wcsncpy.
-  // wcsncpy doesn't 0-terminate the destination buffer if the source string
-  // is longer than size.  Ensure that the destination is 0-terminated.
-  wcsncpy(destination, source, destination_size);
-  if (destination && destination_size)
-    destination[destination_size - 1] = 0;
-#endif  // _MSC_VER >= 1400
-}
-
-// static
-inline void WindowsStringUtils::safe_wcsncpy(wchar_t *destination,
-                                             size_t destination_size,
-                                             const wchar_t *source,
-                                             size_t count) {
-#if _MSC_VER >= 1400  // MSVC 2005/8
-  wcsncpy_s(destination, destination_size, source, count);
-#else  // _MSC_VER >= 1400
-  // Pre-MSVC 2005/8 doesn't have wcsncpy_s.  Simulate it with wcsncpy.
-  // wcsncpy doesn't 0-terminate the destination buffer if the source string
-  // is longer than size.  Ensure that the destination is 0-terminated.
-  if (destination_size < count)
-    count = destination_size;
-
-  wcsncpy(destination, source, count);
-  if (destination && count)
-    destination[count - 1] = 0;
-#endif  // _MSC_VER >= 1400
-}
-
-}  // namespace google_breakpad
-
-#endif  // COMMON_WINDOWS_STRING_UTILS_INL_H__