Pokitto Community Team / Pokitto_

PokittoLib with changes to lcd refresh etc.

Dependents:   Pokittris

Fork of Pokitto by Pokitto Community Team

This is a fork by user @Spinal, and is used in Pokittris for testing. Do not import this to your own program.

mbed-pokitto/common/FileSystemLike.cpp@11:02ad9c807a21, 2017-10-15 (annotated)

Committer:
spinal
Date:
Sun Oct 15 18:03:02 2017 +0000
Revision:
11:02ad9c807a21
Parent:
5:7e5c566b1760 
fixed 4color refreshRegion code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 5:7e5c566b1760 1 /* mbed Microcontroller Library
Pokitto 5:7e5c566b1760 2 * Copyright (c) 2006-2013 ARM Limited
Pokitto 5:7e5c566b1760 3 *
Pokitto 5:7e5c566b1760 4 * Licensed under the Apache License, Version 2.0 (the "License");
Pokitto 5:7e5c566b1760 5 * you may not use this file except in compliance with the License.
Pokitto 5:7e5c566b1760 6 * You may obtain a copy of the License at
Pokitto 5:7e5c566b1760 7 *
Pokitto 5:7e5c566b1760 8 * http://www.apache.org/licenses/LICENSE-2.0
Pokitto 5:7e5c566b1760 9 *
Pokitto 5:7e5c566b1760 10 * Unless required by applicable law or agreed to in writing, software
Pokitto 5:7e5c566b1760 11 * distributed under the License is distributed on an "AS IS" BASIS,
Pokitto 5:7e5c566b1760 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pokitto 5:7e5c566b1760 13 * See the License for the specific language governing permissions and
Pokitto 5:7e5c566b1760 14 * limitations under the License.
Pokitto 5:7e5c566b1760 15 */
Pokitto 5:7e5c566b1760 16 #include "FileSystemLike.h"
Pokitto 5:7e5c566b1760 17
Pokitto 5:7e5c566b1760 18 namespace mbed {
Pokitto 5:7e5c566b1760 19
Pokitto 5:7e5c566b1760 20 class BaseDirHandle : public DirHandle {
Pokitto 5:7e5c566b1760 21 public:
Pokitto 5:7e5c566b1760 22 /*
Pokitto 5:7e5c566b1760 23 We keep track of our current location as the n'th object in the
Pokitto 5:7e5c566b1760 24 FileSystemLike list. Using a Base* instead would cause problems if that
Pokitto 5:7e5c566b1760 25 object were to be destroyed between readdirs.
Pokitto 5:7e5c566b1760 26 Using this method does mean though that destroying/creating objects can
Pokitto 5:7e5c566b1760 27 give unusual results from readdir.
Pokitto 5:7e5c566b1760 28 */
Pokitto 5:7e5c566b1760 29 off_t n;
Pokitto 5:7e5c566b1760 30 struct dirent cur_entry;
Pokitto 5:7e5c566b1760 31
Pokitto 5:7e5c566b1760 32 BaseDirHandle() : n(0), cur_entry() {
Pokitto 5:7e5c566b1760 33 }
Pokitto 5:7e5c566b1760 34
Pokitto 5:7e5c566b1760 35 virtual int closedir() {
Pokitto 5:7e5c566b1760 36 delete this;
Pokitto 5:7e5c566b1760 37 return 0;
Pokitto 5:7e5c566b1760 38 }
Pokitto 5:7e5c566b1760 39
Pokitto 5:7e5c566b1760 40 virtual struct dirent *readdir() {
Pokitto 5:7e5c566b1760 41 FileBase *ptr = FileBase::get(n);
Pokitto 5:7e5c566b1760 42 if (ptr == NULL) return NULL;
Pokitto 5:7e5c566b1760 43
Pokitto 5:7e5c566b1760 44 /* Increment n, so next readdir gets the next item */
Pokitto 5:7e5c566b1760 45 n++;
Pokitto 5:7e5c566b1760 46
Pokitto 5:7e5c566b1760 47 /* Setup cur entry and return a pointer to it */
Pokitto 5:7e5c566b1760 48 std::strncpy(cur_entry.d_name, ptr->getName(), NAME_MAX);
Pokitto 5:7e5c566b1760 49 return &cur_entry;
Pokitto 5:7e5c566b1760 50 }
Pokitto 5:7e5c566b1760 51
Pokitto 5:7e5c566b1760 52 virtual off_t telldir() {
Pokitto 5:7e5c566b1760 53 return n;
Pokitto 5:7e5c566b1760 54 }
Pokitto 5:7e5c566b1760 55
Pokitto 5:7e5c566b1760 56 virtual void seekdir(off_t offset) {
Pokitto 5:7e5c566b1760 57 n = offset;
Pokitto 5:7e5c566b1760 58 }
Pokitto 5:7e5c566b1760 59
Pokitto 5:7e5c566b1760 60 virtual void rewinddir() {
Pokitto 5:7e5c566b1760 61 n = 0;
Pokitto 5:7e5c566b1760 62 }
Pokitto 5:7e5c566b1760 63 };
Pokitto 5:7e5c566b1760 64
Pokitto 5:7e5c566b1760 65 FileSystemLike::FileSystemLike(const char *name) : FileBase(name, FileSystemPathType) {
Pokitto 5:7e5c566b1760 66
Pokitto 5:7e5c566b1760 67 }
Pokitto 5:7e5c566b1760 68
Pokitto 5:7e5c566b1760 69 FileSystemLike::~FileSystemLike() {
Pokitto 5:7e5c566b1760 70
Pokitto 5:7e5c566b1760 71 }
Pokitto 5:7e5c566b1760 72
Pokitto 5:7e5c566b1760 73 DirHandle *FileSystemLike::opendir() {
Pokitto 5:7e5c566b1760 74 return new BaseDirHandle();
Pokitto 5:7e5c566b1760 75 }
Pokitto 5:7e5c566b1760 76
Pokitto 5:7e5c566b1760 77 } // namespace mbed