Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk
git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/unixfilesystem.h b/talk/base/unixfilesystem.h
new file mode 100644
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--- /dev/null
+++ b/talk/base/unixfilesystem.h
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+/*
+ * libjingle
+ * Copyright 2004--2006, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef TALK_BASE_UNIXFILESYSTEM_H_
+#define TALK_BASE_UNIXFILESYSTEM_H_
+
+#include <sys/types.h>
+
+#include "talk/base/fileutils.h"
+
+namespace talk_base {
+
+class UnixFilesystem : public FilesystemInterface {
+ public:
+
+#if defined(ANDROID) || defined(IOS)
+// Android does not have a native code API to fetch the app data or temp
+// folders. That needs to be passed into this class from Java. Similarly, iOS
+// only supports an Objective-C API for fetching the folder locations, so that
+// needs to be passed in here from Objective-C.
+
+ static void SetAppDataFolder(const std::string& folder);
+ static void SetAppTempFolder(const std::string& folder);
+#endif
+
+ // Opens a file. Returns an open StreamInterface if function succeeds.
+ // Otherwise, returns NULL.
+ virtual FileStream *OpenFile(const Pathname &filename,
+ const std::string &mode);
+
+ // Atomically creates an empty file accessible only to the current user if one
+ // does not already exist at the given path, otherwise fails.
+ virtual bool CreatePrivateFile(const Pathname &filename);
+
+ // This will attempt to delete the file located at filename.
+ // It will fail with VERIY if you pass it a non-existant file, or a directory.
+ virtual bool DeleteFile(const Pathname &filename);
+
+ // This will attempt to delete the folder located at 'folder'
+ // It ASSERTs and returns false if you pass it a non-existant folder or a
+ // plain file.
+ virtual bool DeleteEmptyFolder(const Pathname &folder);
+
+ // Creates a directory. This will call itself recursively to create /foo/bar
+ // even if /foo does not exist. All created directories are created with the
+ // given mode.
+ // Returns TRUE if function succeeds
+ virtual bool CreateFolder(const Pathname &pathname, mode_t mode);
+
+ // As above, with mode = 0755.
+ virtual bool CreateFolder(const Pathname &pathname);
+
+ // This moves a file from old_path to new_path, where "file" can be a plain
+ // file or directory, which will be moved recursively.
+ // Returns true if function succeeds.
+ virtual bool MoveFile(const Pathname &old_path, const Pathname &new_path);
+ virtual bool MoveFolder(const Pathname &old_path, const Pathname &new_path);
+
+ // This copies a file from old_path to _new_path where "file" can be a plain
+ // file or directory, which will be copied recursively.
+ // Returns true if function succeeds
+ virtual bool CopyFile(const Pathname &old_path, const Pathname &new_path);
+
+ // Returns true if a pathname is a directory
+ virtual bool IsFolder(const Pathname& pathname);
+
+ // Returns true if pathname represents a temporary location on the system.
+ virtual bool IsTemporaryPath(const Pathname& pathname);
+
+ // Returns true of pathname represents an existing file
+ virtual bool IsFile(const Pathname& pathname);
+
+ // Returns true if pathname refers to no filesystem object, every parent
+ // directory either exists, or is also absent.
+ virtual bool IsAbsent(const Pathname& pathname);
+
+ virtual std::string TempFilename(const Pathname &dir,
+ const std::string &prefix);
+
+ // A folder appropriate for storing temporary files (Contents are
+ // automatically deleted when the program exists)
+ virtual bool GetTemporaryFolder(Pathname &path, bool create,
+ const std::string *append);
+
+ virtual bool GetFileSize(const Pathname& path, size_t* size);
+ virtual bool GetFileTime(const Pathname& path, FileTimeType which,
+ time_t* time);
+
+ // Returns the path to the running application.
+ virtual bool GetAppPathname(Pathname* path);
+
+ virtual bool GetAppDataFolder(Pathname* path, bool per_user);
+
+ // Get a temporary folder that is unique to the current user and application.
+ virtual bool GetAppTempFolder(Pathname* path);
+
+ virtual bool GetDiskFreeSpace(const Pathname& path, int64 *freebytes);
+
+ // Returns the absolute path of the current directory.
+ virtual Pathname GetCurrentDirectory();
+
+ private:
+#if defined(ANDROID) || defined(IOS)
+ static char* provided_app_data_folder_;
+ static char* provided_app_temp_folder_;
+#else
+ static char* app_temp_path_;
+#endif
+
+ static char* CopyString(const std::string& str);
+};
+
+} // namespace talk_base
+
+#endif // TALK_BASE_UNIXFILESYSTEM_H_