PHung Tung / WAV2

SPKT

Dependencies:   F746_GUI SD_PlayerSkeleton F746_SAI_IO

mbed_src_STM32F7/common/FilePath.cpp@0:aa3fc5ad02f7, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 09:08:29 2019 +0000
Revision:
0:aa3fc5ad02f7
SPKT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:aa3fc5ad02f7 1 /* mbed Microcontroller Library
phungductung 0:aa3fc5ad02f7 2 * Copyright (c) 2006-2013 ARM Limited
phungductung 0:aa3fc5ad02f7 3 *
phungductung 0:aa3fc5ad02f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
phungductung 0:aa3fc5ad02f7 5 * you may not use this file except in compliance with the License.
phungductung 0:aa3fc5ad02f7 6 * You may obtain a copy of the License at
phungductung 0:aa3fc5ad02f7 7 *
phungductung 0:aa3fc5ad02f7 8 * http://www.apache.org/licenses/LICENSE-2.0
phungductung 0:aa3fc5ad02f7 9 *
phungductung 0:aa3fc5ad02f7 10 * Unless required by applicable law or agreed to in writing, software
phungductung 0:aa3fc5ad02f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
phungductung 0:aa3fc5ad02f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
phungductung 0:aa3fc5ad02f7 13 * See the License for the specific language governing permissions and
phungductung 0:aa3fc5ad02f7 14 * limitations under the License.
phungductung 0:aa3fc5ad02f7 15 */
phungductung 0:aa3fc5ad02f7 16 #include "FilePath.h"
phungductung 0:aa3fc5ad02f7 17
phungductung 0:aa3fc5ad02f7 18 namespace mbed {
phungductung 0:aa3fc5ad02f7 19
phungductung 0:aa3fc5ad02f7 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
phungductung 0:aa3fc5ad02f7 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
phungductung 0:aa3fc5ad02f7 22
phungductung 0:aa3fc5ad02f7 23 const char* file_system = &file_path[1];
phungductung 0:aa3fc5ad02f7 24 file_name = file_system;
phungductung 0:aa3fc5ad02f7 25 int len = 0;
phungductung 0:aa3fc5ad02f7 26 while (true) {
phungductung 0:aa3fc5ad02f7 27 char c = *file_name;
phungductung 0:aa3fc5ad02f7 28 if (c == '/') { // end of object name
phungductung 0:aa3fc5ad02f7 29 file_name++; // point to one char after the '/'
phungductung 0:aa3fc5ad02f7 30 break;
phungductung 0:aa3fc5ad02f7 31 }
phungductung 0:aa3fc5ad02f7 32 if (c == 0) { // end of object name, with no filename
phungductung 0:aa3fc5ad02f7 33 break;
phungductung 0:aa3fc5ad02f7 34 }
phungductung 0:aa3fc5ad02f7 35 len++;
phungductung 0:aa3fc5ad02f7 36 file_name++;
phungductung 0:aa3fc5ad02f7 37 }
phungductung 0:aa3fc5ad02f7 38
phungductung 0:aa3fc5ad02f7 39 fb = FileBase::lookup(file_system, len);
phungductung 0:aa3fc5ad02f7 40 }
phungductung 0:aa3fc5ad02f7 41
phungductung 0:aa3fc5ad02f7 42 const char* FilePath::fileName(void) {
phungductung 0:aa3fc5ad02f7 43 return file_name;
phungductung 0:aa3fc5ad02f7 44 }
phungductung 0:aa3fc5ad02f7 45
phungductung 0:aa3fc5ad02f7 46 bool FilePath::isFileSystem(void) {
phungductung 0:aa3fc5ad02f7 47 if (NULL == fb)
phungductung 0:aa3fc5ad02f7 48 return false;
phungductung 0:aa3fc5ad02f7 49 return (fb->getPathType() == FileSystemPathType);
phungductung 0:aa3fc5ad02f7 50 }
phungductung 0:aa3fc5ad02f7 51
phungductung 0:aa3fc5ad02f7 52 FileSystemLike* FilePath::fileSystem(void) {
phungductung 0:aa3fc5ad02f7 53 if (isFileSystem()) {
phungductung 0:aa3fc5ad02f7 54 return (FileSystemLike*)fb;
phungductung 0:aa3fc5ad02f7 55 }
phungductung 0:aa3fc5ad02f7 56 return NULL;
phungductung 0:aa3fc5ad02f7 57 }
phungductung 0:aa3fc5ad02f7 58
phungductung 0:aa3fc5ad02f7 59 bool FilePath::isFile(void) {
phungductung 0:aa3fc5ad02f7 60 if (NULL == fb)
phungductung 0:aa3fc5ad02f7 61 return false;
phungductung 0:aa3fc5ad02f7 62 return (fb->getPathType() == FilePathType);
phungductung 0:aa3fc5ad02f7 63 }
phungductung 0:aa3fc5ad02f7 64
phungductung 0:aa3fc5ad02f7 65 FileLike* FilePath::file(void) {
phungductung 0:aa3fc5ad02f7 66 if (isFile()) {
phungductung 0:aa3fc5ad02f7 67 return (FileLike*)fb;
phungductung 0:aa3fc5ad02f7 68 }
phungductung 0:aa3fc5ad02f7 69 return NULL;
phungductung 0:aa3fc5ad02f7 70 }
phungductung 0:aa3fc5ad02f7 71
phungductung 0:aa3fc5ad02f7 72 bool FilePath::exists(void) {
phungductung 0:aa3fc5ad02f7 73 return fb != NULL;
phungductung 0:aa3fc5ad02f7 74 }
phungductung 0:aa3fc5ad02f7 75
phungductung 0:aa3fc5ad02f7 76 } // namespace mbed