// 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. // // Author: keith.ray@gmail.com (Keith Ray) // // Google Test filepath utilities // // This header file declares classes and functions used internally by // Google Test. They are subject to change without notice. // // This file is #included in <gtest/internal/gtest-internal.h>. // Do not include this header file separately! #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_ #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_ #include "gtest/internal/gtest-string.h" namespace testing { namespace internal { // FilePath - a class for file and directory pathname manipulation which // handles platform-specific conventions (like the pathname separator). // Used for helper functions for naming files in a directory for xml output. // Except for Set methods, all methods are const or static, which provides an // "immutable value object" -- useful for peace of mind. // A FilePath with a value ending in a path separator ("like/this/") represents // a directory, otherwise it is assumed to represent a file. In either case, // it may or may not represent an actual file or directory in the file system. // Names are NOT checked for syntax correctness -- no checking for illegal // characters, malformed paths, etc. class GTEST_API_ FilePath { public: FilePath() : pathname_("") { } FilePath(const FilePath& rhs) : pathname_(rhs.pathname_) { } explicit FilePath(const std::string& pathname) : pathname_(pathname) { Normalize(); } FilePath& operator=(const FilePath& rhs) { Set(rhs); return *this; } void Set(const FilePath& rhs) { pathname_ = rhs.pathname_; } const std::string& string() const { return pathname_; } const char* c_str() const { return pathname_.c_str(); } // Returns the current working directory, or "" if unsuccessful. static FilePath GetCurrentDir(); // 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 /. static FilePath MakeFileName(const FilePath& directory, const FilePath& base_name, int number, const char* extension); // Given directory = "dir", relative_path = "test.xml", // returns "dir/test.xml". // On Windows, uses \ as the separator rather than /. static FilePath ConcatPaths(const FilePath& directory, const FilePath& relative_path); // 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. static FilePath GenerateUniqueFileName(const FilePath& directory, const FilePath& base_name, const char* extension); // Returns true iff the path is "". bool IsEmpty() const { return pathname_.empty(); } // If input name has a trailing separator character, removes it and returns // the name, otherwise return the name string unmodified. // On Windows platform, uses \ as the separator, other platforms use /. FilePath RemoveTrailingPathSeparator() const; // 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 RemoveDirectoryName() const; // 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 RemoveFileName() const; // 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 RemoveExtension(const char* extension) const; // Creates 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. Will also return false if the FilePath does // not represent a directory (that is, it doesn't end with a path separator). bool CreateDirectoriesRecursively() const; // 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 CreateFolder() const; // Returns true if FilePath describes something in the file-system, // either a file, directory, or whatever, and that something exists. bool FileOrDirectoryExists() const; // Returns true if pathname describes a directory in the file-system // that exists. bool DirectoryExists() const; // 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 IsDirectory() const; // Returns true if pathname describes a root directory. (Windows has one // root directory per disk drive.) bool IsRootDirectory() const; // Returns true if pathname describes an absolute path. bool IsAbsolutePath() const; private: // Replaces multiple consecutive separators with a single separator. // For example, "bar///foo" becomes "bar/foo". Does not eliminate other // redundancies that might be in a pathname involving "." or "..". // // A pathname with multiple consecutive separators may occur either through // user error or as a result of some scripts or APIs that generate a pathname // with a trailing separator. On other platforms the same API or script // may NOT generate a pathname with a trailing "/". Then elsewhere that // pathname may have another "/" and pathname components added to it, // without checking for the separator already being there. // The script language and operating system may allow paths like "foo//bar" // but some of the functions in FilePath will not handle that correctly. In // particular, RemoveTrailingPathSeparator() only removes one separator, and // it is called in CreateDirectoriesRecursively() assuming that it will change // a pathname from directory syntax (trailing separator) to filename syntax. // // On Windows this method also replaces the alternate path separator '/' with // the primary path separator '\\', so that for example "bar\\/\\foo" becomes // "bar\\foo". void Normalize(); // Returns a pointer to the last occurence 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* FindLastPathSeparator() const; std::string pathname_; }; // class FilePath } // namespace internal } // namespace testing #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_