Rahul Dahiya / Mbed OS STM32F7 Ethernet

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mbed-os/platform/FilePath.cpp@0:fb8047b156bb, 2020-01-15 (annotated)

Committer:
rahul_dahiya
Date:
Wed Jan 15 15:57:15 2020 +0530
Revision:
0:fb8047b156bb
STM32F7 LWIP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahul_dahiya 0:fb8047b156bb 1 /* mbed Microcontroller Library
rahul_dahiya 0:fb8047b156bb 2 * Copyright (c) 2006-2013 ARM Limited
rahul_dahiya 0:fb8047b156bb 3 *
rahul_dahiya 0:fb8047b156bb 4 * Licensed under the Apache License, Version 2.0 (the "License");
rahul_dahiya 0:fb8047b156bb 5 * you may not use this file except in compliance with the License.
rahul_dahiya 0:fb8047b156bb 6 * You may obtain a copy of the License at
rahul_dahiya 0:fb8047b156bb 7 *
rahul_dahiya 0:fb8047b156bb 8 * http://www.apache.org/licenses/LICENSE-2.0
rahul_dahiya 0:fb8047b156bb 9 *
rahul_dahiya 0:fb8047b156bb 10 * Unless required by applicable law or agreed to in writing, software
rahul_dahiya 0:fb8047b156bb 11 * distributed under the License is distributed on an "AS IS" BASIS,
rahul_dahiya 0:fb8047b156bb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rahul_dahiya 0:fb8047b156bb 13 * See the License for the specific language governing permissions and
rahul_dahiya 0:fb8047b156bb 14 * limitations under the License.
rahul_dahiya 0:fb8047b156bb 15 */
rahul_dahiya 0:fb8047b156bb 16 #include "platform/FilePath.h"
rahul_dahiya 0:fb8047b156bb 17
rahul_dahiya 0:fb8047b156bb 18 namespace mbed {
rahul_dahiya 0:fb8047b156bb 19
rahul_dahiya 0:fb8047b156bb 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
rahul_dahiya 0:fb8047b156bb 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
rahul_dahiya 0:fb8047b156bb 22
rahul_dahiya 0:fb8047b156bb 23 const char* file_system = &file_path[1];
rahul_dahiya 0:fb8047b156bb 24 file_name = file_system;
rahul_dahiya 0:fb8047b156bb 25 int len = 0;
rahul_dahiya 0:fb8047b156bb 26 while (true) {
rahul_dahiya 0:fb8047b156bb 27 char c = *file_name;
rahul_dahiya 0:fb8047b156bb 28 if (c == '/') { // end of object name
rahul_dahiya 0:fb8047b156bb 29 file_name++; // point to one char after the '/'
rahul_dahiya 0:fb8047b156bb 30 break;
rahul_dahiya 0:fb8047b156bb 31 }
rahul_dahiya 0:fb8047b156bb 32 if (c == 0) { // end of object name, with no filename
rahul_dahiya 0:fb8047b156bb 33 break;
rahul_dahiya 0:fb8047b156bb 34 }
rahul_dahiya 0:fb8047b156bb 35 len++;
rahul_dahiya 0:fb8047b156bb 36 file_name++;
rahul_dahiya 0:fb8047b156bb 37 }
rahul_dahiya 0:fb8047b156bb 38
rahul_dahiya 0:fb8047b156bb 39 fb = FileBase::lookup(file_system, len);
rahul_dahiya 0:fb8047b156bb 40 }
rahul_dahiya 0:fb8047b156bb 41
rahul_dahiya 0:fb8047b156bb 42 const char* FilePath::fileName(void) {
rahul_dahiya 0:fb8047b156bb 43 return file_name;
rahul_dahiya 0:fb8047b156bb 44 }
rahul_dahiya 0:fb8047b156bb 45
rahul_dahiya 0:fb8047b156bb 46 bool FilePath::isFileSystem(void) {
rahul_dahiya 0:fb8047b156bb 47 if (NULL == fb)
rahul_dahiya 0:fb8047b156bb 48 return false;
rahul_dahiya 0:fb8047b156bb 49 return (fb->getPathType() == FileSystemPathType);
rahul_dahiya 0:fb8047b156bb 50 }
rahul_dahiya 0:fb8047b156bb 51
rahul_dahiya 0:fb8047b156bb 52 FileSystemLike* FilePath::fileSystem(void) {
rahul_dahiya 0:fb8047b156bb 53 if (isFileSystem()) {
rahul_dahiya 0:fb8047b156bb 54 return static_cast<FileSystemLike*>(fb);
rahul_dahiya 0:fb8047b156bb 55 }
rahul_dahiya 0:fb8047b156bb 56 return NULL;
rahul_dahiya 0:fb8047b156bb 57 }
rahul_dahiya 0:fb8047b156bb 58
rahul_dahiya 0:fb8047b156bb 59 bool FilePath::isFile(void) {
rahul_dahiya 0:fb8047b156bb 60 if (NULL == fb)
rahul_dahiya 0:fb8047b156bb 61 return false;
rahul_dahiya 0:fb8047b156bb 62 return (fb->getPathType() == FilePathType);
rahul_dahiya 0:fb8047b156bb 63 }
rahul_dahiya 0:fb8047b156bb 64
rahul_dahiya 0:fb8047b156bb 65 FileLike* FilePath::file(void) {
rahul_dahiya 0:fb8047b156bb 66 if (isFile()) {
rahul_dahiya 0:fb8047b156bb 67 return (FileLike*)fb;
rahul_dahiya 0:fb8047b156bb 68 }
rahul_dahiya 0:fb8047b156bb 69 return NULL;
rahul_dahiya 0:fb8047b156bb 70 }
rahul_dahiya 0:fb8047b156bb 71
rahul_dahiya 0:fb8047b156bb 72 bool FilePath::exists(void) {
rahul_dahiya 0:fb8047b156bb 73 return fb != NULL;
rahul_dahiya 0:fb8047b156bb 74 }
rahul_dahiya 0:fb8047b156bb 75
rahul_dahiya 0:fb8047b156bb 76 } // namespace mbed