teralytic / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed by teralytic

common/FilePath.cpp@148:4802eb17e82b, 2016-10-17 (annotated)

Committer:
rodriguise
Date:
Mon Oct 17 18:47:01 2016 +0000
Revision:
148:4802eb17e82b
Parent:
144:ef7eb2e8f9f7 
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<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #include "FilePath.h"
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 namespace mbed {
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
<> 144:ef7eb2e8f9f7 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 const char* file_system = &file_path[1];
<> 144:ef7eb2e8f9f7 24 file_name = file_system;
<> 144:ef7eb2e8f9f7 25 int len = 0;
<> 144:ef7eb2e8f9f7 26 while (true) {
<> 144:ef7eb2e8f9f7 27 char c = *file_name;
<> 144:ef7eb2e8f9f7 28 if (c == '/') { // end of object name
<> 144:ef7eb2e8f9f7 29 file_name++; // point to one char after the '/'
<> 144:ef7eb2e8f9f7 30 break;
<> 144:ef7eb2e8f9f7 31 }
<> 144:ef7eb2e8f9f7 32 if (c == 0) { // end of object name, with no filename
<> 144:ef7eb2e8f9f7 33 break;
<> 144:ef7eb2e8f9f7 34 }
<> 144:ef7eb2e8f9f7 35 len++;
<> 144:ef7eb2e8f9f7 36 file_name++;
<> 144:ef7eb2e8f9f7 37 }
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 fb = FileBase::lookup(file_system, len);
<> 144:ef7eb2e8f9f7 40 }
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 const char* FilePath::fileName(void) {
<> 144:ef7eb2e8f9f7 43 return file_name;
<> 144:ef7eb2e8f9f7 44 }
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46 bool FilePath::isFileSystem(void) {
<> 144:ef7eb2e8f9f7 47 if (NULL == fb)
<> 144:ef7eb2e8f9f7 48 return false;
<> 144:ef7eb2e8f9f7 49 return (fb->getPathType() == FileSystemPathType);
<> 144:ef7eb2e8f9f7 50 }
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 FileSystemLike* FilePath::fileSystem(void) {
<> 144:ef7eb2e8f9f7 53 if (isFileSystem()) {
<> 144:ef7eb2e8f9f7 54 return (FileSystemLike*)fb;
<> 144:ef7eb2e8f9f7 55 }
<> 144:ef7eb2e8f9f7 56 return NULL;
<> 144:ef7eb2e8f9f7 57 }
<> 144:ef7eb2e8f9f7 58
<> 144:ef7eb2e8f9f7 59 bool FilePath::isFile(void) {
<> 144:ef7eb2e8f9f7 60 if (NULL == fb)
<> 144:ef7eb2e8f9f7 61 return false;
<> 144:ef7eb2e8f9f7 62 return (fb->getPathType() == FilePathType);
<> 144:ef7eb2e8f9f7 63 }
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 FileLike* FilePath::file(void) {
<> 144:ef7eb2e8f9f7 66 if (isFile()) {
<> 144:ef7eb2e8f9f7 67 return (FileLike*)fb;
<> 144:ef7eb2e8f9f7 68 }
<> 144:ef7eb2e8f9f7 69 return NULL;
<> 144:ef7eb2e8f9f7 70 }
<> 144:ef7eb2e8f9f7 71
<> 144:ef7eb2e8f9f7 72 bool FilePath::exists(void) {
<> 144:ef7eb2e8f9f7 73 return fb != NULL;
<> 144:ef7eb2e8f9f7 74 }
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 } // namespace mbed