From a6ed1742539c62186fb903017b52dd48f145ae4f Mon Sep 17 00:00:00 2001
From: Vasil Zlatanov <v@skozl.com>
Date: Wed, 3 May 2017 16:30:16 +0100
Subject: Add template and build environment.

---
 ext/FileSystemLike.h | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 ext/FileSystemLike.h

(limited to 'ext/FileSystemLike.h')

diff --git a/ext/FileSystemLike.h b/ext/FileSystemLike.h
new file mode 100644
index 0000000..1b6b501
--- /dev/null
+++ b/ext/FileSystemLike.h
@@ -0,0 +1,104 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_FILESYSTEMLIKE_H
+#define MBED_FILESYSTEMLIKE_H
+
+#include "platform.h"
+
+#include "FileBase.h"
+#include "FileHandle.h"
+#include "DirHandle.h"
+
+namespace mbed {
+
+/** A filesystem-like object is one that can be used to open files
+ *  though it by fopen("/name/filename", mode)
+ *
+ *  Implementations must define at least open (the default definitions
+ *  of the rest of the functions just return error values).
+ */
+class FileSystemLike : public FileBase {
+
+public:
+    /** FileSystemLike constructor
+     *
+     *  @param name The name to use for the filesystem.
+     */
+    FileSystemLike(const char *name);
+
+    virtual ~FileSystemLike();
+
+    static DirHandle *opendir();
+    friend class BaseDirHandle;
+
+    /** Opens a file from the filesystem
+     *
+     *  @param filename The name of the file to open.
+     *  @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with
+     *    zero or more of O_CREAT, O_TRUNC, or O_APPEND.
+     *
+     *  @returns
+     *    A pointer to a FileHandle object representing the
+     *   file on success, or NULL on failure.
+     */
+    virtual FileHandle *open(const char *filename, int flags) = 0;
+
+    /** Remove a file from the filesystem.
+     *
+     *  @param filename the name of the file to remove.
+     *  @param returns 0 on success, -1 on failure.
+     */
+    virtual int remove(const char *filename) { return -1; };
+
+    /** Rename a file in the filesystem.
+     *
+     *  @param oldname the name of the file to rename.
+     *  @param newname the name to rename it to.
+     *
+     *  @returns
+     *    0 on success,
+     *   -1 on failure.
+     */
+    virtual int rename(const char *oldname, const char *newname) { return -1; };
+
+    /** Opens a directory in the filesystem and returns a DirHandle
+     *   representing the directory stream.
+     *
+     *  @param name The name of the directory to open.
+     *
+     *  @returns
+     *    A DirHandle representing the directory stream, or
+     *   NULL on failure.
+     */
+    virtual DirHandle *opendir(const char *name) { return NULL; };
+
+    /** Creates a directory in the filesystem.
+     *
+     *  @param name The name of the directory to create.
+     *  @param mode The permissions to create the directory with.
+     *
+     *  @returns
+     *    0 on success,
+     *   -1 on failure.
+     */
+    virtual int mkdir(const char *name, mode_t mode) { return -1; }
+
+    // TODO other filesystem functions (mkdir, rm, rn, ls etc)
+};
+
+} // namespace mbed
+
+#endif
-- 
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