| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef STARBOARD_NBLP_FILE_HELPERS_H_ |
| #define STARBOARD_NBLP_FILE_HELPERS_H_ |
| |
| #include <string> |
| |
| #include "starboard/file.h" |
| |
| namespace starboard { |
| namespace nplb { |
| |
| // Gets the temporary directory in which ScopedRandomFile places its files. |
| std::string GetTempDir(); |
| |
| // Creates a random file of the given length, and deletes it when the instance |
| // falls out of scope. |
| class ScopedRandomFile { |
| public: |
| enum { |
| kDefaultLength = 64, |
| }; |
| |
| enum Create { |
| kCreate, |
| kDontCreate, |
| }; |
| |
| // Will create a file of |kDefaultLength| bytes long. |
| ScopedRandomFile() : size_(kDefaultLength) { |
| filename_ = MakeRandomFile(size_); |
| } |
| |
| // Will create a file |length| bytes long. |
| ScopedRandomFile(int length) : size_(length) { |
| filename_ = MakeRandomFile(size_); |
| } |
| |
| // Will either create a file |length| bytes long, or will just generate a |
| // filename. |create| is whether to create the file or not. |
| ScopedRandomFile(int length, Create create) : size_(length) { |
| filename_ = |
| (create == kCreate ? MakeRandomFile(size_) : MakeRandomFilename()); |
| } |
| |
| // Will either create a file of |kDefaultLength| bytes long, or will just |
| // generate a filename. |create| is whether to create the file or not. |
| ScopedRandomFile(Create create) : size_(kDefaultLength) { |
| filename_ = |
| (create == kCreate ? MakeRandomFile(size_) : MakeRandomFilename()); |
| } |
| |
| ~ScopedRandomFile() { SbFileDelete(filename_.c_str()); } |
| |
| // Returns the filename generated for this file. |
| const std::string& filename() const { return filename_; } |
| |
| // Returns the SPECIFIED size of the file (not the size returned by the |
| // filesystem). |
| const int size() const { return size_; } |
| |
| // Checks |buffer| of size |size| against this class's write pattern, offset |
| // by |pattern_offset|. Failures print the original line number |line|. |
| static void ExpectPattern(int pattern_offset, |
| void* buffer, |
| int size, |
| int line); |
| |
| private: |
| // Creates a file with a random name and |length| bytes, returning the path to |
| // the new file. |
| static std::string MakeRandomFile(int length); |
| |
| // Creates and returns a random filename, but does not create the file. |
| static std::string MakeRandomFilename(); |
| |
| std::string filename_; |
| int size_; |
| }; |
| |
| } // namespace nplb |
| } // namespace starboard |
| |
| #endif |