t
Fork of mbed-dev by
Diff: drivers/FilePath.cpp
- Revision:
- 149:156823d33999
- Child:
- 160:d5399cc887bb
diff -r 21d94c44109e -r 156823d33999 drivers/FilePath.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/FilePath.cpp Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,76 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * 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. + */ +#include "drivers/FilePath.h" + +namespace mbed { + +FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) { + if ((file_path[0] != '/') || (file_path[1] == 0)) return; + + const char* file_system = &file_path[1]; + file_name = file_system; + int len = 0; + while (true) { + char c = *file_name; + if (c == '/') { // end of object name + file_name++; // point to one char after the '/' + break; + } + if (c == 0) { // end of object name, with no filename + break; + } + len++; + file_name++; + } + + fb = FileBase::lookup(file_system, len); +} + +const char* FilePath::fileName(void) { + return file_name; +} + +bool FilePath::isFileSystem(void) { + if (NULL == fb) + return false; + return (fb->getPathType() == FileSystemPathType); +} + +FileSystemLike* FilePath::fileSystem(void) { + if (isFileSystem()) { + return (FileSystemLike*)fb; + } + return NULL; +} + +bool FilePath::isFile(void) { + if (NULL == fb) + return false; + return (fb->getPathType() == FilePathType); +} + +FileLike* FilePath::file(void) { + if (isFile()) { + return (FileLike*)fb; + } + return NULL; +} + +bool FilePath::exists(void) { + return fb != NULL; +} + +} // namespace mbed