Add FS, SD and SD_MMC (#256)

libraries/FS/src/FS.h

@@ -0,0 +1,122 @@
+/*
+ FS.h - file system wrapper
+ Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
+ This file is part of the esp8266 core for Arduino environment.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef FS_H
+#define FS_H
+
+#include <memory>
+#include <Arduino.h>
+
+namespace fs
+{
+
+#define FILE_READ       "r"
+#define FILE_WRITE      "w"
+#define FILE_APPEND     "a"
+
+class File;
+
+class FileImpl;
+typedef std::shared_ptr<FileImpl> FileImplPtr;
+class FSImpl;
+typedef std::shared_ptr<FSImpl> FSImplPtr;
+
+enum SeekMode {
+    SeekSet = 0,
+    SeekCur = 1,
+    SeekEnd = 2
+};
+
+class File : public Stream
+{
+public:
+    File(FileImplPtr p = FileImplPtr()) : _p(p) {}
+
+    size_t write(uint8_t) override;
+    size_t write(const uint8_t *buf, size_t size) override;
+    int available() override;
+    int read() override;
+    int peek() override;
+    void flush() override;
+    size_t read(uint8_t* buf, size_t size);
+    size_t readBytes(char *buffer, size_t length)
+    {
+        return read((uint8_t*)buffer, length);
+    }
+
+    bool seek(uint32_t pos, SeekMode mode);
+    bool seek(uint32_t pos)
+    {
+        return seek(pos, SeekSet);
+    }
+    size_t position() const;
+    size_t size() const;
+    void close();
+    operator bool() const;
+    const char* name() const;
+
+    boolean isDirectory(void);
+    File openNextFile(const char* mode = FILE_READ);
+    void rewindDirectory(void);
+
+protected:
+    FileImplPtr _p;
+};
+
+class FS
+{
+public:
+    FS(FSImplPtr impl) : _impl(impl) { }
+
+    File open(const char* path, const char* mode = FILE_READ);
+    File open(const String& path, const char* mode = FILE_READ);
+
+    bool exists(const char* path);
+    bool exists(const String& path);
+
+    bool remove(const char* path);
+    bool remove(const String& path);
+
+    bool rename(const char* pathFrom, const char* pathTo);
+    bool rename(const String& pathFrom, const String& pathTo);
+
+    bool mkdir(const char *path);
+    bool mkdir(const String &path);
+
+    bool rmdir(const char *path);
+    bool rmdir(const String &path);
+
+
+protected:
+    FSImplPtr _impl;
+};
+
+} // namespace fs
+
+#ifndef FS_NO_GLOBALS
+using fs::FS;
+using fs::File;
+using fs::SeekMode;
+using fs::SeekSet;
+using fs::SeekCur;
+using fs::SeekEnd;
+#endif //FS_NO_GLOBALS
+
+#endif //FS_H