Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/unixfilesystem.h b/webrtc/base/unixfilesystem.h
new file mode 100644
index 0000000..7b6c20e
--- /dev/null
+++ b/webrtc/base/unixfilesystem.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_BASE_UNIXFILESYSTEM_H_
+#define WEBRTC_BASE_UNIXFILESYSTEM_H_
+
+#include <sys/types.h>
+
+#include "webrtc/base/fileutils.h"
+
+namespace rtc {
+
+class UnixFilesystem : public FilesystemInterface {
+ public:
+ UnixFilesystem();
+ virtual ~UnixFilesystem();
+
+#if defined(WEBRTC_ANDROID) || defined(WEBRTC_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. Or at least that used to be
+ // the case; now the ctor will do the work if necessary and possible.
+ // TODO(fischman): add an Android version that uses JNI and drop the
+ // SetApp*Folder() APIs once external users stop using them.
+ 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(WEBRTC_ANDROID) || defined(WEBRTC_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 rtc
+
+#endif // WEBRTC_BASE_UNIXFILESYSTEM_H_