[12177] | 1 | // Copyright 2008, Google Inc. |
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| 2 | // All rights reserved. |
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| 3 | // |
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| 4 | // Redistribution and use in source and binary forms, with or without |
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| 5 | // modification, are permitted provided that the following conditions are |
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| 6 | // met: |
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| 7 | // |
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| 8 | // * Redistributions of source code must retain the above copyright |
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| 9 | // notice, this list of conditions and the following disclaimer. |
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| 10 | // * Redistributions in binary form must reproduce the above |
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| 11 | // copyright notice, this list of conditions and the following disclaimer |
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| 12 | // in the documentation and/or other materials provided with the |
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| 13 | // distribution. |
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| 14 | // * Neither the name of Google Inc. nor the names of its |
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| 15 | // contributors may be used to endorse or promote products derived from |
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| 16 | // this software without specific prior written permission. |
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| 17 | // |
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| 18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 29 | // |
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| 30 | // Author: keith.ray@gmail.com (Keith Ray) |
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| 31 | // |
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| 32 | // Google Test filepath utilities |
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| 33 | // |
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| 34 | // This header file declares classes and functions used internally by |
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| 35 | // Google Test. They are subject to change without notice. |
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| 36 | // |
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| 37 | // This file is #included in <gtest/internal/gtest-internal.h>. |
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| 38 | // Do not include this header file separately! |
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| 39 | |
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| 40 | #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_ |
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| 41 | #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_ |
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| 42 | |
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| 43 | #include "gtest/internal/gtest-string.h" |
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| 44 | |
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| 45 | namespace testing { |
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| 46 | namespace internal { |
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| 47 | |
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| 48 | // FilePath - a class for file and directory pathname manipulation which |
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| 49 | // handles platform-specific conventions (like the pathname separator). |
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| 50 | // Used for helper functions for naming files in a directory for xml output. |
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| 51 | // Except for Set methods, all methods are const or static, which provides an |
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| 52 | // "immutable value object" -- useful for peace of mind. |
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| 53 | // A FilePath with a value ending in a path separator ("like/this/") represents |
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| 54 | // a directory, otherwise it is assumed to represent a file. In either case, |
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| 55 | // it may or may not represent an actual file or directory in the file system. |
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| 56 | // Names are NOT checked for syntax correctness -- no checking for illegal |
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| 57 | // characters, malformed paths, etc. |
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| 58 | |
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| 59 | class GTEST_API_ FilePath { |
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| 60 | public: |
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| 61 | FilePath() : pathname_("") { } |
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| 62 | FilePath(const FilePath& rhs) : pathname_(rhs.pathname_) { } |
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| 63 | |
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| 64 | explicit FilePath(const char* pathname) : pathname_(pathname) { |
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| 65 | Normalize(); |
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| 66 | } |
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| 67 | |
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| 68 | explicit FilePath(const String& pathname) : pathname_(pathname) { |
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| 69 | Normalize(); |
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| 70 | } |
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| 71 | |
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| 72 | FilePath& operator=(const FilePath& rhs) { |
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| 73 | Set(rhs); |
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| 74 | return *this; |
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| 75 | } |
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| 76 | |
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| 77 | void Set(const FilePath& rhs) { |
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| 78 | pathname_ = rhs.pathname_; |
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| 79 | } |
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| 80 | |
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| 81 | String ToString() const { return pathname_; } |
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| 82 | const char* c_str() const { return pathname_.c_str(); } |
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| 83 | |
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| 84 | // Returns the current working directory, or "" if unsuccessful. |
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| 85 | static FilePath GetCurrentDir(); |
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| 86 | |
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| 87 | // Given directory = "dir", base_name = "test", number = 0, |
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| 88 | // extension = "xml", returns "dir/test.xml". If number is greater |
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| 89 | // than zero (e.g., 12), returns "dir/test_12.xml". |
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| 90 | // On Windows platform, uses \ as the separator rather than /. |
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| 91 | static FilePath MakeFileName(const FilePath& directory, |
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| 92 | const FilePath& base_name, |
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| 93 | int number, |
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| 94 | const char* extension); |
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| 95 | |
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| 96 | // Given directory = "dir", relative_path = "test.xml", |
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| 97 | // returns "dir/test.xml". |
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| 98 | // On Windows, uses \ as the separator rather than /. |
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| 99 | static FilePath ConcatPaths(const FilePath& directory, |
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| 100 | const FilePath& relative_path); |
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| 101 | |
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| 102 | // Returns a pathname for a file that does not currently exist. The pathname |
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| 103 | // will be directory/base_name.extension or |
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| 104 | // directory/base_name_<number>.extension if directory/base_name.extension |
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| 105 | // already exists. The number will be incremented until a pathname is found |
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| 106 | // that does not already exist. |
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| 107 | // Examples: 'dir/foo_test.xml' or 'dir/foo_test_1.xml'. |
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| 108 | // There could be a race condition if two or more processes are calling this |
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| 109 | // function at the same time -- they could both pick the same filename. |
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| 110 | static FilePath GenerateUniqueFileName(const FilePath& directory, |
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| 111 | const FilePath& base_name, |
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| 112 | const char* extension); |
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| 113 | |
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| 114 | // Returns true iff the path is NULL or "". |
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| 115 | bool IsEmpty() const { return c_str() == NULL || *c_str() == '\0'; } |
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| 116 | |
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| 117 | // If input name has a trailing separator character, removes it and returns |
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| 118 | // the name, otherwise return the name string unmodified. |
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| 119 | // On Windows platform, uses \ as the separator, other platforms use /. |
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| 120 | FilePath RemoveTrailingPathSeparator() const; |
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| 121 | |
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| 122 | // Returns a copy of the FilePath with the directory part removed. |
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| 123 | // Example: FilePath("path/to/file").RemoveDirectoryName() returns |
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| 124 | // FilePath("file"). If there is no directory part ("just_a_file"), it returns |
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| 125 | // the FilePath unmodified. If there is no file part ("just_a_dir/") it |
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| 126 | // returns an empty FilePath (""). |
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| 127 | // On Windows platform, '\' is the path separator, otherwise it is '/'. |
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| 128 | FilePath RemoveDirectoryName() const; |
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| 129 | |
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| 130 | // RemoveFileName returns the directory path with the filename removed. |
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| 131 | // Example: FilePath("path/to/file").RemoveFileName() returns "path/to/". |
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| 132 | // If the FilePath is "a_file" or "/a_file", RemoveFileName returns |
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| 133 | // FilePath("./") or, on Windows, FilePath(".\\"). If the filepath does |
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| 134 | // not have a file, like "just/a/dir/", it returns the FilePath unmodified. |
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| 135 | // On Windows platform, '\' is the path separator, otherwise it is '/'. |
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| 136 | FilePath RemoveFileName() const; |
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| 137 | |
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| 138 | // Returns a copy of the FilePath with the case-insensitive extension removed. |
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| 139 | // Example: FilePath("dir/file.exe").RemoveExtension("EXE") returns |
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| 140 | // FilePath("dir/file"). If a case-insensitive extension is not |
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| 141 | // found, returns a copy of the original FilePath. |
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| 142 | FilePath RemoveExtension(const char* extension) const; |
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| 143 | |
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| 144 | // Creates directories so that path exists. Returns true if successful or if |
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| 145 | // the directories already exist; returns false if unable to create |
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| 146 | // directories for any reason. Will also return false if the FilePath does |
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| 147 | // not represent a directory (that is, it doesn't end with a path separator). |
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| 148 | bool CreateDirectoriesRecursively() const; |
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| 149 | |
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| 150 | // Create the directory so that path exists. Returns true if successful or |
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| 151 | // if the directory already exists; returns false if unable to create the |
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| 152 | // directory for any reason, including if the parent directory does not |
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| 153 | // exist. Not named "CreateDirectory" because that's a macro on Windows. |
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| 154 | bool CreateFolder() const; |
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| 155 | |
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| 156 | // Returns true if FilePath describes something in the file-system, |
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| 157 | // either a file, directory, or whatever, and that something exists. |
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| 158 | bool FileOrDirectoryExists() const; |
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| 159 | |
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| 160 | // Returns true if pathname describes a directory in the file-system |
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| 161 | // that exists. |
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| 162 | bool DirectoryExists() const; |
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| 163 | |
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| 164 | // Returns true if FilePath ends with a path separator, which indicates that |
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| 165 | // it is intended to represent a directory. Returns false otherwise. |
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| 166 | // This does NOT check that a directory (or file) actually exists. |
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| 167 | bool IsDirectory() const; |
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| 168 | |
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| 169 | // Returns true if pathname describes a root directory. (Windows has one |
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| 170 | // root directory per disk drive.) |
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| 171 | bool IsRootDirectory() const; |
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| 172 | |
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| 173 | // Returns true if pathname describes an absolute path. |
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| 174 | bool IsAbsolutePath() const; |
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| 175 | |
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| 176 | private: |
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| 177 | // Replaces multiple consecutive separators with a single separator. |
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| 178 | // For example, "bar///foo" becomes "bar/foo". Does not eliminate other |
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| 179 | // redundancies that might be in a pathname involving "." or "..". |
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| 180 | // |
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| 181 | // A pathname with multiple consecutive separators may occur either through |
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| 182 | // user error or as a result of some scripts or APIs that generate a pathname |
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| 183 | // with a trailing separator. On other platforms the same API or script |
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| 184 | // may NOT generate a pathname with a trailing "/". Then elsewhere that |
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| 185 | // pathname may have another "/" and pathname components added to it, |
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| 186 | // without checking for the separator already being there. |
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| 187 | // The script language and operating system may allow paths like "foo//bar" |
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| 188 | // but some of the functions in FilePath will not handle that correctly. In |
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| 189 | // particular, RemoveTrailingPathSeparator() only removes one separator, and |
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| 190 | // it is called in CreateDirectoriesRecursively() assuming that it will change |
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| 191 | // a pathname from directory syntax (trailing separator) to filename syntax. |
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| 192 | // |
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| 193 | // On Windows this method also replaces the alternate path separator '/' with |
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| 194 | // the primary path separator '\\', so that for example "bar\\/\\foo" becomes |
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| 195 | // "bar\\foo". |
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| 196 | |
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| 197 | void Normalize(); |
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| 198 | |
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| 199 | // Returns a pointer to the last occurence of a valid path separator in |
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| 200 | // the FilePath. On Windows, for example, both '/' and '\' are valid path |
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| 201 | // separators. Returns NULL if no path separator was found. |
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| 202 | const char* FindLastPathSeparator() const; |
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| 203 | |
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| 204 | String pathname_; |
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| 205 | }; // class FilePath |
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| 206 | |
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| 207 | } // namespace internal |
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| 208 | } // namespace testing |
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| 209 | |
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| 210 | #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_FILEPATH_H_ |
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