mirror of https://github.com/ARMmbed/mbed-os.git
88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "platform/FilePath.h"
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namespace mbed {
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FilePath::FilePath(const char *file_path) : file_name(NULL), fb(NULL)
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{
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// skip slashes
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file_path += strspn(file_path, "/");
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const char *file_system = file_path;
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file_name = file_system;
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int len = 0;
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while (true) {
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char c = *file_name;
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if (c == '/') { // end of object name
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file_name++; // point to one char after the '/'
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break;
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}
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if (c == 0) { // end of object name, with no filename
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break;
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}
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len++;
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file_name++;
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}
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MBED_ASSERT(len != 0);
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fb = FileBase::lookup(file_system, len);
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}
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const char *FilePath::fileName(void)
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{
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return file_name;
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}
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bool FilePath::isFileSystem(void)
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{
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if (NULL == fb) {
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return false;
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}
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return (fb->getPathType() == FileSystemPathType);
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}
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FileSystemLike *FilePath::fileSystem(void)
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{
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if (isFileSystem()) {
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return static_cast<FileSystemLike *>(fb);
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}
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return NULL;
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}
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bool FilePath::isFile(void)
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{
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if (NULL == fb) {
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return false;
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}
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return (fb->getPathType() == FilePathType);
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}
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FileLike *FilePath::file(void)
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{
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if (isFile()) {
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return (FileLike *)fb;
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}
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return NULL;
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}
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bool FilePath::exists(void)
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{
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return fb != NULL;
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}
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} // namespace mbed
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