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@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
187:0387e8f68319 
mbed library release version 165

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 189:f392fc9709a3 3 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 167:e84263d55307 4 *
AnnaBridge 167:e84263d55307 5 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 167:e84263d55307 6 * you may not use this file except in compliance with the License.
AnnaBridge 167:e84263d55307 7 * You may obtain a copy of the License at
AnnaBridge 167:e84263d55307 8 *
AnnaBridge 167:e84263d55307 9 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 167:e84263d55307 10 *
AnnaBridge 167:e84263d55307 11 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 167:e84263d55307 12 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 167:e84263d55307 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 167:e84263d55307 14 * See the License for the specific language governing permissions and
AnnaBridge 167:e84263d55307 15 * limitations under the License.
AnnaBridge 167:e84263d55307 16 */
AnnaBridge 167:e84263d55307 17 #include "platform/FilePath.h"
AnnaBridge 167:e84263d55307 18
AnnaBridge 167:e84263d55307 19 namespace mbed {
AnnaBridge 167:e84263d55307 20
AnnaBridge 187:0387e8f68319 21 FilePath::FilePath(const char *file_path) : file_name(NULL), fb(NULL)
AnnaBridge 187:0387e8f68319 22 {
AnnaBridge 182:a56a73fd2a6f 23 // skip slashes
AnnaBridge 182:a56a73fd2a6f 24 file_path += strspn(file_path, "/");
AnnaBridge 167:e84263d55307 25
AnnaBridge 187:0387e8f68319 26 const char *file_system = file_path;
AnnaBridge 167:e84263d55307 27 file_name = file_system;
AnnaBridge 167:e84263d55307 28 int len = 0;
AnnaBridge 167:e84263d55307 29 while (true) {
AnnaBridge 167:e84263d55307 30 char c = *file_name;
AnnaBridge 167:e84263d55307 31 if (c == '/') { // end of object name
AnnaBridge 167:e84263d55307 32 file_name++; // point to one char after the '/'
AnnaBridge 167:e84263d55307 33 break;
AnnaBridge 167:e84263d55307 34 }
AnnaBridge 167:e84263d55307 35 if (c == 0) { // end of object name, with no filename
AnnaBridge 167:e84263d55307 36 break;
AnnaBridge 167:e84263d55307 37 }
AnnaBridge 167:e84263d55307 38 len++;
AnnaBridge 167:e84263d55307 39 file_name++;
AnnaBridge 167:e84263d55307 40 }
AnnaBridge 167:e84263d55307 41
AnnaBridge 182:a56a73fd2a6f 42 MBED_ASSERT(len != 0);
AnnaBridge 167:e84263d55307 43 fb = FileBase::lookup(file_system, len);
AnnaBridge 167:e84263d55307 44 }
AnnaBridge 167:e84263d55307 45
AnnaBridge 187:0387e8f68319 46 const char *FilePath::fileName(void)
AnnaBridge 187:0387e8f68319 47 {
AnnaBridge 167:e84263d55307 48 return file_name;
AnnaBridge 167:e84263d55307 49 }
AnnaBridge 167:e84263d55307 50
AnnaBridge 187:0387e8f68319 51 bool FilePath::isFileSystem(void)
AnnaBridge 187:0387e8f68319 52 {
AnnaBridge 187:0387e8f68319 53 if (NULL == fb) {
AnnaBridge 167:e84263d55307 54 return false;
AnnaBridge 187:0387e8f68319 55 }
AnnaBridge 167:e84263d55307 56 return (fb->getPathType() == FileSystemPathType);
AnnaBridge 167:e84263d55307 57 }
AnnaBridge 167:e84263d55307 58
AnnaBridge 187:0387e8f68319 59 FileSystemLike *FilePath::fileSystem(void)
AnnaBridge 187:0387e8f68319 60 {
AnnaBridge 167:e84263d55307 61 if (isFileSystem()) {
AnnaBridge 187:0387e8f68319 62 return static_cast<FileSystemLike *>(fb);
AnnaBridge 167:e84263d55307 63 }
AnnaBridge 167:e84263d55307 64 return NULL;
AnnaBridge 167:e84263d55307 65 }
AnnaBridge 167:e84263d55307 66
AnnaBridge 187:0387e8f68319 67 bool FilePath::isFile(void)
AnnaBridge 187:0387e8f68319 68 {
AnnaBridge 187:0387e8f68319 69 if (NULL == fb) {
AnnaBridge 167:e84263d55307 70 return false;
AnnaBridge 187:0387e8f68319 71 }
AnnaBridge 167:e84263d55307 72 return (fb->getPathType() == FilePathType);
AnnaBridge 167:e84263d55307 73 }
AnnaBridge 167:e84263d55307 74
AnnaBridge 187:0387e8f68319 75 FileLike *FilePath::file(void)
AnnaBridge 187:0387e8f68319 76 {
AnnaBridge 167:e84263d55307 77 if (isFile()) {
AnnaBridge 187:0387e8f68319 78 return (FileLike *)fb;
AnnaBridge 167:e84263d55307 79 }
AnnaBridge 167:e84263d55307 80 return NULL;
AnnaBridge 167:e84263d55307 81 }
AnnaBridge 167:e84263d55307 82
AnnaBridge 187:0387e8f68319 83 bool FilePath::exists(void)
AnnaBridge 187:0387e8f68319 84 {
AnnaBridge 167:e84263d55307 85 return fb != NULL;
AnnaBridge 167:e84263d55307 86 }
AnnaBridge 167:e84263d55307 87
AnnaBridge 167:e84263d55307 88 } // namespace mbed