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-rw-r--r--libraries/Bridge/FileIO.h103
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diff --git a/libraries/Bridge/FileIO.h b/libraries/Bridge/FileIO.h
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+/*
+ 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
+
+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 heirarchy--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;
+
+#endif