Add gdata content search

chrome/browser/chromeos/gdata/gdata_util.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "googleurl/src/gurl.h"
 
 class FilePath;
 class Profile;
 
 namespace gdata {
 namespace util {
 
+// Search path is a path used to display gdata content search results.
+// All results are displayed under virtual directory "gdata/.search", in which
+// each query is given its own directory for displaying results.
+enum GDataSearchPathType {
+  // Not a search path.
+  GDATA_SEARCH_PATH_INVALID,
+  // gdata/.search.
+  GDATA_SEARCH_PATH_ROOT,
+  // Path that defines search query (gdata/.search/foo).
+  GDATA_SEARCH_PATH_QUERY,
+  // Path given to a search result (gdata/.search/foo/foo_found).
+  // The file name will be formatted: "resource_id.file_name".
+  GDATA_SEARCH_PATH_RESULT,
+  // If search result is directory, it may contain some children.
+  GDATA_SEARCH_PATH_RESULT_CHILD
+};
+
 // Returns the GData mount point path, which looks like "/special/gdata".
 const FilePath& GetGDataMountPointPath();
 
 // Returns the GData mount path as string.
 const std::string& GetGDataMountPointPathAsString();
 
 // Returns the 'local' root of remote file system as "/special".
 const FilePath& GetSpecialRemoteRootPath();
 
 // Returns the gdata file resource url formatted as
 // chrome://gdata/<resource_id>/<file_name>.
 GURL GetFileResourceUrl(const std::string& resource_id,
                         const std::string& file_name);
 
 // Given a profile and a gdata_cache_path, return the file resource url.
 void ModifyGDataFileResourceUrl(Profile* profile,
                                 const FilePath& gdata_cache_path,
                                 GURL* url);
 
 // Returns true if the given path is under the GData mount point.
 bool IsUnderGDataMountPoint(const FilePath& path);
 
+// Checks if the path is under (virtual) gdata search directory, and returns its
+// search status.
+GDataSearchPathType GetSearchPathStatus(const FilePath& path);
+
+// Checks if the path is under (virtual) gdata earch directory, and returns its
+// search status.
+GDataSearchPathType GetSearchPathStatusForPathComponents(
+    const std::vector<std::string>& path_components);
+
+// Gets resource id and original file name from the search file name.
+// Search file name is formatted as: <resource_id>.<original_file_name>.
+// If the path is not search path, the behaviour is not defined.
+bool ParseSearchFileName(const std::string& search_file_name,
+                         std::string* resource_id,
+                         std::string* original_file_name);
+
 // Extracts the GData path from the given path located under the GData mount
 // point. Returns an empty path if |path| is not under the GData mount point.
 // Examples: ExtractGDatPath("/special/gdata/foo.txt") => "gdata/foo.txt"
 FilePath ExtractGDataPath(const FilePath& path);
 
 // Returns vector of all possible cache paths for a given path on gdata mount
 // point.
 void InsertGDataCachePathsPermissions(
     Profile* profile_,
     const FilePath& gdata_path,
@@ skipping 21 matching lines @@
 // Example: path="/user/GCache/v1/persistent/pdf:a1b2.01234567.mounted" =>
 //          resource_id="pdf:a1b2", md5="01234567", extra_extension="mounted".
 void ParseCacheFilePath(const FilePath& path,
                         std::string* resource_id,
                         std::string* md5,
                         std::string* extra_extension);
 }  // namespace util
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_UTIL_H_