--- /dev/null
+// Copyright 2008, 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.
+
+#include "gtest/internal/gtest-filepath.h"
+
+#include <stdlib.h>
+#include "gtest/internal/gtest-port.h"
+#include "gtest/gtest-message.h"
+
+#if GTEST_OS_WINDOWS_MOBILE
+# include <windows.h>
+#elif GTEST_OS_WINDOWS
+# include <direct.h>
+# include <io.h>
+#elif GTEST_OS_SYMBIAN
+// Symbian OpenC has PATH_MAX in sys/syslimits.h
+# include <sys/syslimits.h>
+#else
+# include <limits.h>
+# include <climits> // Some Linux distributions define PATH_MAX here.
+#endif // GTEST_OS_WINDOWS_MOBILE
+
+#include "gtest/internal/gtest-string.h"
+
+#if GTEST_OS_WINDOWS
+# define GTEST_PATH_MAX_ _MAX_PATH
+#elif defined(PATH_MAX)
+# define GTEST_PATH_MAX_ PATH_MAX
+#elif defined(_XOPEN_PATH_MAX)
+# define GTEST_PATH_MAX_ _XOPEN_PATH_MAX
+#else
+# define GTEST_PATH_MAX_ _POSIX_PATH_MAX
+#endif // GTEST_OS_WINDOWS
+
+namespace testing {
+namespace internal {
+
+#if GTEST_OS_WINDOWS
+// On Windows, '\\' is the standard path separator, but many tools and the
+// Windows API also accept '/' as an alternate path separator. Unless otherwise
+// noted, a file path can contain either kind of path separators, or a mixture
+// of them.
+const char kPathSeparator = '\\';
+const char kAlternatePathSeparator = '/';
+const char kAlternatePathSeparatorString[] = "/";
+# if GTEST_OS_WINDOWS_MOBILE
+// Windows CE doesn't have a current directory. You should not use
+// the current directory in tests on Windows CE, but this at least
+// provides a reasonable fallback.
+const char kCurrentDirectoryString[] = "\\";
+// Windows CE doesn't define INVALID_FILE_ATTRIBUTES
+const DWORD kInvalidFileAttributes = 0xffffffff;
+# else
+const char kCurrentDirectoryString[] = ".\\";
+# endif // GTEST_OS_WINDOWS_MOBILE
+#else
+const char kPathSeparator = '/';
+const char kCurrentDirectoryString[] = "./";
+#endif // GTEST_OS_WINDOWS
+
+// Returns whether the given character is a valid path separator.
+static bool IsPathSeparator(char c) {
+#if GTEST_HAS_ALT_PATH_SEP_
+ return (c == kPathSeparator) || (c == kAlternatePathSeparator);
+#else
+ return c == kPathSeparator;
+#endif
+}
+
+// Returns the current working directory, or "" if unsuccessful.
+FilePath FilePath::GetCurrentDir() {
+#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT
+ // Windows CE doesn't have a current directory, so we just return
+ // something reasonable.
+ return FilePath(kCurrentDirectoryString);
+#elif GTEST_OS_WINDOWS
+ char cwd[GTEST_PATH_MAX_ + 1] = { '\0' };
+ return FilePath(_getcwd(cwd, sizeof(cwd)) == NULL ? "" : cwd);
+#else
+ char cwd[GTEST_PATH_MAX_ + 1] = { '\0' };
+ char* result = getcwd(cwd, sizeof(cwd));
+# if GTEST_OS_NACL
+ // getcwd will likely fail in NaCl due to the sandbox, so return something
+ // reasonable. The user may have provided a shim implementation for getcwd,
+ // however, so fallback only when failure is detected.
+ return FilePath(result == NULL ? kCurrentDirectoryString : cwd);
+# endif // GTEST_OS_NACL
+ return FilePath(result == NULL ? "" : cwd);
+#endif // GTEST_OS_WINDOWS_MOBILE
+}
+
+// Returns a copy of the FilePath with the case-insensitive extension removed.
+// Example: FilePath("dir/file.exe").RemoveExtension("EXE") returns
+// FilePath("dir/file"). If a case-insensitive extension is not
+// found, returns a copy of the original FilePath.
+FilePath FilePath::RemoveExtension(const char* extension) const {
+ const std::string dot_extension = std::string(".") + extension;
+ if (String::EndsWithCaseInsensitive(pathname_, dot_extension)) {
+ return FilePath(pathname_.substr(
+ 0, pathname_.length() - dot_extension.length()));
+ }
+ return *this;
+}
+
+// Returns a pointer to the last occurrence of a valid path separator in
+// the FilePath. On Windows, for example, both '/' and '\' are valid path
+// separators. Returns NULL if no path separator was found.
+const char* FilePath::FindLastPathSeparator() const {
+ const char* const last_sep = strrchr(c_str(), kPathSeparator);
+#if GTEST_HAS_ALT_PATH_SEP_
+ const char* const last_alt_sep = strrchr(c_str(), kAlternatePathSeparator);
+ // Comparing two pointers of which only one is NULL is undefined.
+ if (last_alt_sep != NULL &&
+ (last_sep == NULL || last_alt_sep > last_sep)) {
+ return last_alt_sep;
+ }
+#endif
+ return last_sep;
+}
+
+// Returns a copy of the FilePath with the directory part removed.
+// Example: FilePath("path/to/file").RemoveDirectoryName() returns
+// FilePath("file"). If there is no directory part ("just_a_file"), it returns
+// the FilePath unmodified. If there is no file part ("just_a_dir/") it
+// returns an empty FilePath ("").
+// On Windows platform, '\' is the path separator, otherwise it is '/'.
+FilePath FilePath::RemoveDirectoryName() const {
+ const char* const last_sep = FindLastPathSeparator();
+ return last_sep ? FilePath(last_sep + 1) : *this;
+}
+
+// RemoveFileName returns the directory path with the filename removed.
+// Example: FilePath("path/to/file").RemoveFileName() returns "path/to/".
+// If the FilePath is "a_file" or "/a_file", RemoveFileName returns
+// FilePath("./") or, on Windows, FilePath(".\\"). If the filepath does
+// not have a file, like "just/a/dir/", it returns the FilePath unmodified.
+// On Windows platform, '\' is the path separator, otherwise it is '/'.
+FilePath FilePath::RemoveFileName() const {
+ const char* const last_sep = FindLastPathSeparator();
+ std::string dir;
+ if (last_sep) {
+ dir = std::string(c_str(), last_sep + 1 - c_str());
+ } else {
+ dir = kCurrentDirectoryString;
+ }
+ return FilePath(dir);
+}
+
+// Helper functions for naming files in a directory for xml output.
+
+// Given directory = "dir", base_name = "test", number = 0,
+// extension = "xml", returns "dir/test.xml". If number is greater
+// than zero (e.g., 12), returns "dir/test_12.xml".
+// On Windows platform, uses \ as the separator rather than /.
+FilePath FilePath::MakeFileName(const FilePath& directory,
+ const FilePath& base_name,
+ int number,
+ const char* extension) {
+ std::string file;
+ if (number == 0) {
+ file = base_name.string() + "." + extension;
+ } else {
+ file = base_name.string() + "_" + StreamableToString(number)
+ + "." + extension;
+ }
+ return ConcatPaths(directory, FilePath(file));
+}
+
+// Given directory = "dir", relative_path = "test.xml", returns "dir/test.xml".
+// On Windows, uses \ as the separator rather than /.
+FilePath FilePath::ConcatPaths(const FilePath& directory,
+ const FilePath& relative_path) {
+ if (directory.IsEmpty())
+ return relative_path;
+ const FilePath dir(directory.RemoveTrailingPathSeparator());
+ return FilePath(dir.string() + kPathSeparator + relative_path.string());
+}
+
+// Returns true if pathname describes something findable in the file-system,
+// either a file, directory, or whatever.
+bool FilePath::FileOrDirectoryExists() const {
+#if GTEST_OS_WINDOWS_MOBILE
+ LPCWSTR unicode = String::AnsiToUtf16(pathname_.c_str());
+ const DWORD attributes = GetFileAttributes(unicode);
+ delete [] unicode;
+ return attributes != kInvalidFileAttributes;
+#else
+ posix::StatStruct file_stat;
+ return posix::Stat(pathname_.c_str(), &file_stat) == 0;
+#endif // GTEST_OS_WINDOWS_MOBILE
+}
+
+// Returns true if pathname describes a directory in the file-system
+// that exists.
+bool FilePath::DirectoryExists() const {
+ bool result = false;
+#if GTEST_OS_WINDOWS
+ // Don't strip off trailing separator if path is a root directory on
+ // Windows (like "C:\\").
+ const FilePath& path(IsRootDirectory() ? *this :
+ RemoveTrailingPathSeparator());
+#else
+ const FilePath& path(*this);
+#endif
+
+#if GTEST_OS_WINDOWS_MOBILE
+ LPCWSTR unicode = String::AnsiToUtf16(path.c_str());
+ const DWORD attributes = GetFileAttributes(unicode);
+ delete [] unicode;
+ if ((attributes != kInvalidFileAttributes) &&
+ (attributes & FILE_ATTRIBUTE_DIRECTORY)) {
+ result = true;
+ }
+#else
+ posix::StatStruct file_stat;
+ result = posix::Stat(path.c_str(), &file_stat) == 0 &&
+ posix::IsDir(file_stat);
+#endif // GTEST_OS_WINDOWS_MOBILE
+
+ return result;
+}
+
+// Returns true if pathname describes a root directory. (Windows has one
+// root directory per disk drive.)
+bool FilePath::IsRootDirectory() const {
+#if GTEST_OS_WINDOWS
+ // FIXME: on Windows a network share like
+ // \\server\share can be a root directory, although it cannot be the
+ // current directory. Handle this properly.
+ return pathname_.length() == 3 && IsAbsolutePath();
+#else
+ return pathname_.length() == 1 && IsPathSeparator(pathname_.c_str()[0]);
+#endif
+}
+
+// Returns true if pathname describes an absolute path.
+bool FilePath::IsAbsolutePath() const {
+ const char* const name = pathname_.c_str();
+#if GTEST_OS_WINDOWS
+ return pathname_.length() >= 3 &&
+ ((name[0] >= 'a' && name[0] <= 'z') ||
+ (name[0] >= 'A' && name[0] <= 'Z')) &&
+ name[1] == ':' &&
+ IsPathSeparator(name[2]);
+#else
+ return IsPathSeparator(name[0]);
+#endif
+}
+
+// Returns a pathname for a file that does not currently exist. The pathname
+// will be directory/base_name.extension or
+// directory/base_name_<number>.extension if directory/base_name.extension
+// already exists. The number will be incremented until a pathname is found
+// that does not already exist.
+// Examples: 'dir/foo_test.xml' or 'dir/foo_test_1.xml'.
+// There could be a race condition if two or more processes are calling this
+// function at the same time -- they could both pick the same filename.
+FilePath FilePath::GenerateUniqueFileName(const FilePath& directory,
+ const FilePath& base_name,
+ const char* extension) {
+ FilePath full_pathname;
+ int number = 0;
+ do {
+ full_pathname.Set(MakeFileName(directory, base_name, number++, extension));
+ } while (full_pathname.FileOrDirectoryExists());
+ return full_pathname;
+}
+
+// Returns true if FilePath ends with a path separator, which indicates that
+// it is intended to represent a directory. Returns false otherwise.
+// This does NOT check that a directory (or file) actually exists.
+bool FilePath::IsDirectory() const {
+ return !pathname_.empty() &&
+ IsPathSeparator(pathname_.c_str()[pathname_.length() - 1]);
+}
+
+// Create directories so that path exists. Returns true if successful or if
+// the directories already exist; returns false if unable to create directories
+// for any reason.
+bool FilePath::CreateDirectoriesRecursively() const {
+ if (!this->IsDirectory()) {
+ return false;
+ }
+
+ if (pathname_.length() == 0 || this->DirectoryExists()) {
+ return true;
+ }
+
+ const FilePath parent(this->RemoveTrailingPathSeparator().RemoveFileName());
+ return parent.CreateDirectoriesRecursively() && this->CreateFolder();
+}
+
+// Create the directory so that path exists. Returns true if successful or
+// if the directory already exists; returns false if unable to create the
+// directory for any reason, including if the parent directory does not
+// exist. Not named "CreateDirectory" because that's a macro on Windows.
+bool FilePath::CreateFolder() const {
+#if GTEST_OS_WINDOWS_MOBILE
+ FilePath removed_sep(this->RemoveTrailingPathSeparator());
+ LPCWSTR unicode = String::AnsiToUtf16(removed_sep.c_str());
+ int result = CreateDirectory(unicode, NULL) ? 0 : -1;
+ delete [] unicode;
+#elif GTEST_OS_WINDOWS
+ int result = _mkdir(pathname_.c_str());
+#else
+ int result = mkdir(pathname_.c_str(), 0777);
+#endif // GTEST_OS_WINDOWS_MOBILE
+
+ if (result == -1) {
+ return this->DirectoryExists(); // An error is OK if the directory exists.
+ }
+ return true; // No error.
+}
+
+// If input name has a trailing separator character, remove it and return the
+// name, otherwise return the name string unmodified.
+// On Windows platform, uses \ as the separator, other platforms use /.
+FilePath FilePath::RemoveTrailingPathSeparator() const {
+ return IsDirectory()
+ ? FilePath(pathname_.substr(0, pathname_.length() - 1))
+ : *this;
+}
+
+// Removes any redundant separators that might be in the pathname.
+// For example, "bar///foo" becomes "bar/foo". Does not eliminate other
+// redundancies that might be in a pathname involving "." or "..".
+// FIXME: handle Windows network shares (e.g. \\server\share).
+void FilePath::Normalize() {
+ if (pathname_.c_str() == NULL) {
+ pathname_ = "";
+ return;
+ }
+ const char* src = pathname_.c_str();
+ char* const dest = new char[pathname_.length() + 1];
+ char* dest_ptr = dest;
+ memset(dest_ptr, 0, pathname_.length() + 1);
+
+ while (*src != '\0') {
+ *dest_ptr = *src;
+ if (!IsPathSeparator(*src)) {
+ src++;
+ } else {
+#if GTEST_HAS_ALT_PATH_SEP_
+ if (*dest_ptr == kAlternatePathSeparator) {
+ *dest_ptr = kPathSeparator;
+ }
+#endif
+ while (IsPathSeparator(*src))
+ src++;
+ }
+ dest_ptr++;
+ }
+ *dest_ptr = '\0';
+ pathname_ = dest;
+ delete[] dest;
+}
+
+} // namespace internal
+} // namespace testing
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