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Arduino-Development

/*
  Copyright (c) 2013 Arduino LLC. All right reserved.
  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 __FILEIO_H__
#define __FILEIO_H__

#include <Process.h>

#define FILE_READ 0
#define FILE_WRITE 1
#define FILE_APPEND 2

namespace BridgeLib {

class File : public Stream {

  public:
    File(BridgeClass &b = Bridge);
    File(const char *_filename, uint8_t _mode, BridgeClass &b = Bridge);
    ~File();

    virtual size_t write(uint8_t);
    virtual size_t write(const uint8_t *buf, size_t size);
    virtual int read();
    virtual int peek();
    virtual int available();
    virtual void flush();
    int read(void *buf, uint16_t nbyte);
    boolean seek(uint32_t pos);
    uint32_t position();
    uint32_t size();
    void close();
    operator bool();
    const char * name();
    boolean isDirectory();
    File openNextFile(uint8_t mode = FILE_READ);
    void rewindDirectory(void);

    //using Print::write;

  private:
    void doBuffer();
    uint8_t buffered;
    uint8_t readPos;
    uint16_t dirPosition;
    static const int BUFFER_SIZE = 64;
    uint8_t buffer[BUFFER_SIZE];


  private:
    BridgeClass &bridge;
    String filename;
    uint8_t mode;
    uint8_t handle;

};

class FileSystemClass {
  public:
    FileSystemClass() : bridge(Bridge) { }
    FileSystemClass(BridgeClass &_b) : bridge(_b) { }

    boolean begin();

    // Open the specified file/directory with the supplied mode (e.g. read or
    // write, etc). Returns a File object for interacting with the file.
    // Note that currently only one file can be open at a time.
    File open(const char *filename, uint8_t mode = FILE_READ);

    // Methods to determine if the requested file path exists.
    boolean exists(const char *filepath);

    // Create the requested directory hierarchy--if intermediate directories
    // do not exist they will be created.
    boolean mkdir(const char *filepath);

    // Delete the file.
    boolean remove(const char *filepath);

    boolean rmdir(const char *filepath);

  private:
    friend class File;

    BridgeClass &bridge;
};

extern FileSystemClass FileSystem;

};

// We enclose File and FileSystem classes in namespace BridgeLib to avoid
// conflicts with legacy SD library.

// This ensure compatibility with older sketches that uses only Bridge lib
// (the user can still use File instead of BridgeFile)
using namespace BridgeLib;

// This allows sketches to use BridgeLib::File together with SD library
// (you must use BridgeFile instead of File when needed to disambiguate)
typedef BridgeLib::File            BridgeFile;
typedef BridgeLib::FileSystemClass BridgeFileSystemClass;
#define BridgeFileSystem           BridgeLib::FileSystem

#endif

	/*
	Copyright (c) 2013 Arduino LLC. All right reserved.

	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 __FILEIO_H__
	#define __FILEIO_H__

	#include <Process.h>

	#define FILE_READ 0
	#define FILE_WRITE 1
	#define FILE_APPEND 2

	namespace BridgeLib {

	class File : public Stream {

	public:
	File(BridgeClass &b = Bridge);
	File(const char *_filename, uint8_t _mode, BridgeClass &b = Bridge);
	~File();

	virtual size_t write(uint8_t);
	virtual size_t write(const uint8_t *buf, size_t size);
	virtual int read();
	virtual int peek();
	virtual int available();
	virtual void flush();
	int read(void *buf, uint16_t nbyte);
	boolean seek(uint32_t pos);
	uint32_t position();
	uint32_t size();
	void close();
	operator bool();
	const char * name();
	boolean isDirectory();
	File openNextFile(uint8_t mode = FILE_READ);
	void rewindDirectory(void);

	//using Print::write;

	private:
	void doBuffer();
	uint8_t buffered;
	uint8_t readPos;
	uint16_t dirPosition;
	static const int BUFFER_SIZE = 64;
	uint8_t buffer[BUFFER_SIZE];


	private:
	BridgeClass &bridge;
	String filename;
	uint8_t mode;
	uint8_t handle;

	};

	class FileSystemClass {
	public:
	FileSystemClass() : bridge(Bridge) { }
	FileSystemClass(BridgeClass &_b) : bridge(_b) { }

	boolean begin();

	// Open the specified file/directory with the supplied mode (e.g. read or
	// write, etc). Returns a File object for interacting with the file.
	// Note that currently only one file can be open at a time.
	File open(const char *filename, uint8_t mode = FILE_READ);

	// Methods to determine if the requested file path exists.
	boolean exists(const char *filepath);

	// Create the requested directory hierarchy--if intermediate directories
	// do not exist they will be created.
	boolean mkdir(const char *filepath);

	// Delete the file.
	boolean remove(const char *filepath);

	boolean rmdir(const char *filepath);

	private:
	friend class File;

	BridgeClass &bridge;
	};

	extern FileSystemClass FileSystem;

	};

	// We enclose File and FileSystem classes in namespace BridgeLib to avoid
	// conflicts with legacy SD library.

	// This ensure compatibility with older sketches that uses only Bridge lib
	// (the user can still use File instead of BridgeFile)
	using namespace BridgeLib;

	// This allows sketches to use BridgeLib::File together with SD library
	// (you must use BridgeFile instead of File when needed to disambiguate)
	typedef BridgeLib::File BridgeFile;
	typedef BridgeLib::FileSystemClass BridgeFileSystemClass;
	#define BridgeFileSystem BridgeLib::FileSystem

	#endif