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Diffstat (limited to 'third_party/protobuf/3.0.0/src/google/protobuf/io/io_win32.cc')
-rw-r--r-- | third_party/protobuf/3.0.0/src/google/protobuf/io/io_win32.cc | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/third_party/protobuf/3.0.0/src/google/protobuf/io/io_win32.cc b/third_party/protobuf/3.0.0/src/google/protobuf/io/io_win32.cc deleted file mode 100644 index d30bcf0bfe..0000000000 --- a/third_party/protobuf/3.0.0/src/google/protobuf/io/io_win32.cc +++ /dev/null @@ -1,159 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// 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. - -// Author: laszlocsomor@google.com (Laszlo Csomor) -// -// Implementation for long-path-aware open/mkdir/access on Windows. -// -// These functions convert the input path to an absolute Windows path -// with UNC prefix if necessary, then pass that to -// _wopen/_wmkdir/_waccess (declared in <io.h>) respectively. This -// allows working with files/directories whose paths is longer than -// MAX_PATH (260 chars). -// -// This file is only used on Windows, it's empty on other platforms. - -#if defined(_WIN32) - -#include <Windows.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <io.h> - -#include <string> -#include <memory> - -#include <google/protobuf/io/io_win32.h> - -namespace google { -namespace protobuf { -namespace io { -namespace win32 { - -template <typename char_type> -static bool has_unc_prefix(const std::basic_string<char_type>& path) { - return path.size() > 4 && path[0] == '\\' && path[1] == '\\' && - path[2] == '?' && path[3] == '\\'; -} - -template <typename char_type> -static bool is_path_absolute(const std::basic_string<char_type>& path) { - return (path.size() > 2 && path[1] == ':') || has_unc_prefix(path); -} - -template <typename char_type> -static bool is_separator(char_type c) { - return c == '/' || c == '\\'; -} - -static void replace_directory_separators(WCHAR* p) { - for (; *p != L'\0'; ++p) { - if (*p == L'/') { - *p = L'\\'; - } - } -} - -static std::wstring get_cwd() { - DWORD result = ::GetCurrentDirectoryW(0, NULL); - std::unique_ptr<WCHAR[]> cwd(new WCHAR[result]); - ::GetCurrentDirectoryW(result, cwd.get()); - cwd.get()[result - 1] = 0; - replace_directory_separators(cwd.get()); - return std::move(std::wstring(cwd.get())); -} - -static std::wstring join_paths(const std::wstring& path1, - const std::wstring& path2) { - if (path1.empty() || is_path_absolute(path2)) { - return path2; - } - if (path2.empty()) { - return path1; - } - - if (is_separator(path1.back())) { - return is_separator(path2.front()) - ? (path1 + path2.substr(1)) - : (path1 + path2); - } else { - return is_separator(path2.front()) - ? (path1 + path2) - : (path1 + L'\\' + path2); - } -} - -static std::wstring as_wchar_path(const std::string& path) { - int len = ::MultiByteToWideChar(CP_UTF8, 0, path.c_str(), path.size(), - NULL, 0); - std::unique_ptr<WCHAR[]> wbuf(new WCHAR[len + 1]); - ::MultiByteToWideChar(CP_UTF8, 0, path.c_str(), path.size(), - wbuf.get(), len + 1); - wbuf.get()[len] = 0; - replace_directory_separators(wbuf.get()); - return std::move(std::wstring(wbuf.get())); -} - -static std::wstring as_windows_path(const std::string& path, - size_t max_path) { - std::wstring wpath(as_wchar_path(path)); - if (!is_path_absolute(path)) { - wpath = join_paths(get_cwd(), wpath); - } - if (wpath.size() >= max_path && !has_unc_prefix(wpath)) { - wpath = std::wstring(L"\\\\?\\") + wpath; - } - return wpath; -} - -int open(const char* path, int flags, int mode) { - return ::_wopen(as_windows_path(path, MAX_PATH).c_str(), flags, mode); -} - -int mkdir(const char* name, int _mode) { - // CreateDirectoryA's limit is 248 chars, see MSDN. - // https://msdn.microsoft.com/en-us/library/windows/desktop/aa363855(v=vs.85).aspx - // This limit presumably includes the null-terminator, because other - // functions that have the MAX_PATH limit, such as CreateFileA, - // actually include it. - return ::_wmkdir(as_windows_path(name, 248).c_str()); -} - -int access(const char* pathname, int mode) { - return ::_waccess(as_windows_path(pathname, MAX_PATH).c_str(), mode); -} - -} // namespace win32 -} // namespace io -} // namespace protobuf -} // namespace google - -#endif // defined(_WIN32) |