mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

platform/FilePath.cpp@187:0387e8f68319, 2018-09-06 (annotated)

Committer:
AnnaBridge
Date:
Thu Sep 06 13:40:20 2018 +0100
Revision:
187:0387e8f68319
Parent:
182:a56a73fd2a6f
Child:
189:f392fc9709a3
mbed-dev library. Release version 163

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 167:e84263d55307 1 /* mbed Microcontroller Library
AnnaBridge 167:e84263d55307 2 * Copyright (c) 2006-2013 ARM Limited
AnnaBridge 167:e84263d55307 3 *
AnnaBridge 167:e84263d55307 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 167:e84263d55307 5 * you may not use this file except in compliance with the License.
AnnaBridge 167:e84263d55307 6 * You may obtain a copy of the License at
AnnaBridge 167:e84263d55307 7 *
AnnaBridge 167:e84263d55307 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 167:e84263d55307 9 *
AnnaBridge 167:e84263d55307 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 167:e84263d55307 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 167:e84263d55307 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 167:e84263d55307 13 * See the License for the specific language governing permissions and
AnnaBridge 167:e84263d55307 14 * limitations under the License.
AnnaBridge 167:e84263d55307 15 */
AnnaBridge 167:e84263d55307 16 #include "platform/FilePath.h"
AnnaBridge 167:e84263d55307 17
AnnaBridge 167:e84263d55307 18 namespace mbed {
AnnaBridge 167:e84263d55307 19
AnnaBridge 187:0387e8f68319 20 FilePath::FilePath(const char *file_path) : file_name(NULL), fb(NULL)
AnnaBridge 187:0387e8f68319 21 {
AnnaBridge 182:a56a73fd2a6f 22 // skip slashes
AnnaBridge 182:a56a73fd2a6f 23 file_path += strspn(file_path, "/");
AnnaBridge 167:e84263d55307 24
AnnaBridge 187:0387e8f68319 25 const char *file_system = file_path;
AnnaBridge 167:e84263d55307 26 file_name = file_system;
AnnaBridge 167:e84263d55307 27 int len = 0;
AnnaBridge 167:e84263d55307 28 while (true) {
AnnaBridge 167:e84263d55307 29 char c = *file_name;
AnnaBridge 167:e84263d55307 30 if (c == '/') { // end of object name
AnnaBridge 167:e84263d55307 31 file_name++; // point to one char after the '/'
AnnaBridge 167:e84263d55307 32 break;
AnnaBridge 167:e84263d55307 33 }
AnnaBridge 167:e84263d55307 34 if (c == 0) { // end of object name, with no filename
AnnaBridge 167:e84263d55307 35 break;
AnnaBridge 167:e84263d55307 36 }
AnnaBridge 167:e84263d55307 37 len++;
AnnaBridge 167:e84263d55307 38 file_name++;
AnnaBridge 167:e84263d55307 39 }
AnnaBridge 167:e84263d55307 40
AnnaBridge 182:a56a73fd2a6f 41 MBED_ASSERT(len != 0);
AnnaBridge 167:e84263d55307 42 fb = FileBase::lookup(file_system, len);
AnnaBridge 167:e84263d55307 43 }
AnnaBridge 167:e84263d55307 44
AnnaBridge 187:0387e8f68319 45 const char *FilePath::fileName(void)
AnnaBridge 187:0387e8f68319 46 {
AnnaBridge 167:e84263d55307 47 return file_name;
AnnaBridge 167:e84263d55307 48 }
AnnaBridge 167:e84263d55307 49
AnnaBridge 187:0387e8f68319 50 bool FilePath::isFileSystem(void)
AnnaBridge 187:0387e8f68319 51 {
AnnaBridge 187:0387e8f68319 52 if (NULL == fb) {
AnnaBridge 167:e84263d55307 53 return false;
AnnaBridge 187:0387e8f68319 54 }
AnnaBridge 167:e84263d55307 55 return (fb->getPathType() == FileSystemPathType);
AnnaBridge 167:e84263d55307 56 }
AnnaBridge 167:e84263d55307 57
AnnaBridge 187:0387e8f68319 58 FileSystemLike *FilePath::fileSystem(void)
AnnaBridge 187:0387e8f68319 59 {
AnnaBridge 167:e84263d55307 60 if (isFileSystem()) {
AnnaBridge 187:0387e8f68319 61 return static_cast<FileSystemLike *>(fb);
AnnaBridge 167:e84263d55307 62 }
AnnaBridge 167:e84263d55307 63 return NULL;
AnnaBridge 167:e84263d55307 64 }
AnnaBridge 167:e84263d55307 65
AnnaBridge 187:0387e8f68319 66 bool FilePath::isFile(void)
AnnaBridge 187:0387e8f68319 67 {
AnnaBridge 187:0387e8f68319 68 if (NULL == fb) {
AnnaBridge 167:e84263d55307 69 return false;
AnnaBridge 187:0387e8f68319 70 }
AnnaBridge 167:e84263d55307 71 return (fb->getPathType() == FilePathType);
AnnaBridge 167:e84263d55307 72 }
AnnaBridge 167:e84263d55307 73
AnnaBridge 187:0387e8f68319 74 FileLike *FilePath::file(void)
AnnaBridge 187:0387e8f68319 75 {
AnnaBridge 167:e84263d55307 76 if (isFile()) {
AnnaBridge 187:0387e8f68319 77 return (FileLike *)fb;
AnnaBridge 167:e84263d55307 78 }
AnnaBridge 167:e84263d55307 79 return NULL;
AnnaBridge 167:e84263d55307 80 }
AnnaBridge 167:e84263d55307 81
AnnaBridge 187:0387e8f68319 82 bool FilePath::exists(void)
AnnaBridge 187:0387e8f68319 83 {
AnnaBridge 167:e84263d55307 84 return fb != NULL;
AnnaBridge 167:e84263d55307 85 }
AnnaBridge 167:e84263d55307 86
AnnaBridge 167:e84263d55307 87 } // namespace mbed