PHung Tung / DISCO-F746_WAV_PLAYER

SPKT

Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

SRC_STM32F7/common/FilePath.cpp@0:8ede47d38d10, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:37:21 2019 +0000
Revision:
0:8ede47d38d10
SPKT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:8ede47d38d10 1 /* mbed Microcontroller Library
phungductung 0:8ede47d38d10 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:8ede47d38d10 3 *
phungductung 0:8ede47d38d10 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:8ede47d38d10 5 * you may not use this file except in compliance with the License.
phungductung 0:8ede47d38d10 6 * You may obtain a copy of the License at
phungductung 0:8ede47d38d10 7 *
phungductung 0:8ede47d38d10 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:8ede47d38d10 9 *
phungductung 0:8ede47d38d10 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:8ede47d38d10 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:8ede47d38d10 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:8ede47d38d10 13 * See the License for the specific language governing permissions and
phungductung 0:8ede47d38d10 14 * limitations under the License.
phungductung 0:8ede47d38d10 15 */
phungductung 0:8ede47d38d10 16 #include "FilePath.h"
phungductung 0:8ede47d38d10 17
phungductung 0:8ede47d38d10 18 namespace mbed {
phungductung 0:8ede47d38d10 19
phungductung 0:8ede47d38d10 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
phungductung 0:8ede47d38d10 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
phungductung 0:8ede47d38d10 22
phungductung 0:8ede47d38d10 23 const char* file_system = &file_path[1];
phungductung 0:8ede47d38d10 24 file_name = file_system;
phungductung 0:8ede47d38d10 25 int len = 0;
phungductung 0:8ede47d38d10 26 while (true) {
phungductung 0:8ede47d38d10 27 char c = *file_name;
phungductung 0:8ede47d38d10 28 if (c == '/') { // end of object name
phungductung 0:8ede47d38d10 29 file_name++; // point to one char after the '/'
phungductung 0:8ede47d38d10 30 break;
phungductung 0:8ede47d38d10 31 }
phungductung 0:8ede47d38d10 32 if (c == 0) { // end of object name, with no filename
phungductung 0:8ede47d38d10 33 break;
phungductung 0:8ede47d38d10 34 }
phungductung 0:8ede47d38d10 35 len++;
phungductung 0:8ede47d38d10 36 file_name++;
phungductung 0:8ede47d38d10 37 }
phungductung 0:8ede47d38d10 38
phungductung 0:8ede47d38d10 39 fb = FileBase::lookup(file_system, len);
phungductung 0:8ede47d38d10 40 }
phungductung 0:8ede47d38d10 41
phungductung 0:8ede47d38d10 42 const char* FilePath::fileName(void) {
phungductung 0:8ede47d38d10 43 return file_name;
phungductung 0:8ede47d38d10 44 }
phungductung 0:8ede47d38d10 45
phungductung 0:8ede47d38d10 46 bool FilePath::isFileSystem(void) {
phungductung 0:8ede47d38d10 47 if (NULL == fb)
phungductung 0:8ede47d38d10 48 return false;
phungductung 0:8ede47d38d10 49 return (fb->getPathType() == FileSystemPathType);
phungductung 0:8ede47d38d10 50 }
phungductung 0:8ede47d38d10 51
phungductung 0:8ede47d38d10 52 FileSystemLike* FilePath::fileSystem(void) {
phungductung 0:8ede47d38d10 53 if (isFileSystem()) {
phungductung 0:8ede47d38d10 54 return (FileSystemLike*)fb;
phungductung 0:8ede47d38d10 55 }
phungductung 0:8ede47d38d10 56 return NULL;
phungductung 0:8ede47d38d10 57 }
phungductung 0:8ede47d38d10 58
phungductung 0:8ede47d38d10 59 bool FilePath::isFile(void) {
phungductung 0:8ede47d38d10 60 if (NULL == fb)
phungductung 0:8ede47d38d10 61 return false;
phungductung 0:8ede47d38d10 62 return (fb->getPathType() == FilePathType);
phungductung 0:8ede47d38d10 63 }
phungductung 0:8ede47d38d10 64
phungductung 0:8ede47d38d10 65 FileLike* FilePath::file(void) {
phungductung 0:8ede47d38d10 66 if (isFile()) {
phungductung 0:8ede47d38d10 67 return (FileLike*)fb;
phungductung 0:8ede47d38d10 68 }
phungductung 0:8ede47d38d10 69 return NULL;
phungductung 0:8ede47d38d10 70 }
phungductung 0:8ede47d38d10 71
phungductung 0:8ede47d38d10 72 bool FilePath::exists(void) {
phungductung 0:8ede47d38d10 73 return fb != NULL;
phungductung 0:8ede47d38d10 74 }
phungductung 0:8ede47d38d10 75
phungductung 0:8ede47d38d10 76 } // namespace mbed