PHung Tung / SRC_STM32F7

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Dependents:   WAV

common/FilePath.cpp@0:e87aa4c49e95, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:51:46 2019 +0000
Revision:
0:e87aa4c49e95
libray

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:e87aa4c49e95 1 /* mbed Microcontroller Library
phungductung 0:e87aa4c49e95 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:e87aa4c49e95 3 *
phungductung 0:e87aa4c49e95 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:e87aa4c49e95 5 * you may not use this file except in compliance with the License.
phungductung 0:e87aa4c49e95 6 * You may obtain a copy of the License at
phungductung 0:e87aa4c49e95 7 *
phungductung 0:e87aa4c49e95 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:e87aa4c49e95 9 *
phungductung 0:e87aa4c49e95 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:e87aa4c49e95 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:e87aa4c49e95 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:e87aa4c49e95 13 * See the License for the specific language governing permissions and
phungductung 0:e87aa4c49e95 14 * limitations under the License.
phungductung 0:e87aa4c49e95 15 */
phungductung 0:e87aa4c49e95 16 #include "FilePath.h"
phungductung 0:e87aa4c49e95 17
phungductung 0:e87aa4c49e95 18 namespace mbed {
phungductung 0:e87aa4c49e95 19
phungductung 0:e87aa4c49e95 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
phungductung 0:e87aa4c49e95 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
phungductung 0:e87aa4c49e95 22
phungductung 0:e87aa4c49e95 23 const char* file_system = &file_path[1];
phungductung 0:e87aa4c49e95 24 file_name = file_system;
phungductung 0:e87aa4c49e95 25 int len = 0;
phungductung 0:e87aa4c49e95 26 while (true) {
phungductung 0:e87aa4c49e95 27 char c = *file_name;
phungductung 0:e87aa4c49e95 28 if (c == '/') { // end of object name
phungductung 0:e87aa4c49e95 29 file_name++; // point to one char after the '/'
phungductung 0:e87aa4c49e95 30 break;
phungductung 0:e87aa4c49e95 31 }
phungductung 0:e87aa4c49e95 32 if (c == 0) { // end of object name, with no filename
phungductung 0:e87aa4c49e95 33 break;
phungductung 0:e87aa4c49e95 34 }
phungductung 0:e87aa4c49e95 35 len++;
phungductung 0:e87aa4c49e95 36 file_name++;
phungductung 0:e87aa4c49e95 37 }
phungductung 0:e87aa4c49e95 38
phungductung 0:e87aa4c49e95 39 fb = FileBase::lookup(file_system, len);
phungductung 0:e87aa4c49e95 40 }
phungductung 0:e87aa4c49e95 41
phungductung 0:e87aa4c49e95 42 const char* FilePath::fileName(void) {
phungductung 0:e87aa4c49e95 43 return file_name;
phungductung 0:e87aa4c49e95 44 }
phungductung 0:e87aa4c49e95 45
phungductung 0:e87aa4c49e95 46 bool FilePath::isFileSystem(void) {
phungductung 0:e87aa4c49e95 47 if (NULL == fb)
phungductung 0:e87aa4c49e95 48 return false;
phungductung 0:e87aa4c49e95 49 return (fb->getPathType() == FileSystemPathType);
phungductung 0:e87aa4c49e95 50 }
phungductung 0:e87aa4c49e95 51
phungductung 0:e87aa4c49e95 52 FileSystemLike* FilePath::fileSystem(void) {
phungductung 0:e87aa4c49e95 53 if (isFileSystem()) {
phungductung 0:e87aa4c49e95 54 return (FileSystemLike*)fb;
phungductung 0:e87aa4c49e95 55 }
phungductung 0:e87aa4c49e95 56 return NULL;
phungductung 0:e87aa4c49e95 57 }
phungductung 0:e87aa4c49e95 58
phungductung 0:e87aa4c49e95 59 bool FilePath::isFile(void) {
phungductung 0:e87aa4c49e95 60 if (NULL == fb)
phungductung 0:e87aa4c49e95 61 return false;
phungductung 0:e87aa4c49e95 62 return (fb->getPathType() == FilePathType);
phungductung 0:e87aa4c49e95 63 }
phungductung 0:e87aa4c49e95 64
phungductung 0:e87aa4c49e95 65 FileLike* FilePath::file(void) {
phungductung 0:e87aa4c49e95 66 if (isFile()) {
phungductung 0:e87aa4c49e95 67 return (FileLike*)fb;
phungductung 0:e87aa4c49e95 68 }
phungductung 0:e87aa4c49e95 69 return NULL;
phungductung 0:e87aa4c49e95 70 }
phungductung 0:e87aa4c49e95 71
phungductung 0:e87aa4c49e95 72 bool FilePath::exists(void) {
phungductung 0:e87aa4c49e95 73 return fb != NULL;
phungductung 0:e87aa4c49e95 74 }
phungductung 0:e87aa4c49e95 75
phungductung 0:e87aa4c49e95 76 } // namespace mbed