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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_
      6 #define CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/scoped_ptr.h"
     11 #include "google_apis/drive/drive_common_callbacks.h"
     12 #include "google_apis/drive/gdata_errorcode.h"
     13 
     14 class GURL;
     15 
     16 namespace base {
     17 class FilePath;
     18 class Value;
     19 }  // namespace base
     20 
     21 namespace google_apis {
     22 class ChangeList;
     23 class ChangeResource;
     24 class FileList;
     25 class FileResource;
     26 class ResourceEntry;
     27 class ResourceList;
     28 }  // namespace google_apis
     29 
     30 namespace drive {
     31 namespace util {
     32 
     33 // Google Apps MIME types:
     34 const char kGoogleDocumentMimeType[] = "application/vnd.google-apps.document";
     35 const char kGoogleDrawingMimeType[] = "application/vnd.google-apps.drawing";
     36 const char kGooglePresentationMimeType[] =
     37     "application/vnd.google-apps.presentation";
     38 const char kGoogleSpreadsheetMimeType[] =
     39     "application/vnd.google-apps.spreadsheet";
     40 const char kGoogleTableMimeType[] = "application/vnd.google-apps.table";
     41 const char kGoogleFormMimeType[] = "application/vnd.google-apps.form";
     42 const char kDriveFolderMimeType[] = "application/vnd.google-apps.folder";
     43 
     44 // Escapes ' to \' in the |str|. This is designed to use for string value of
     45 // search parameter on Drive API v2.
     46 // See also: https://developers.google.com/drive/search-parameters
     47 std::string EscapeQueryStringValue(const std::string& str);
     48 
     49 // Parses the query, and builds a search query for Drive API v2.
     50 // This only supports:
     51 //   Regular query (e.g. dog => fullText contains 'dog')
     52 //   Conjunctions
     53 //     (e.g. dog cat => fullText contains 'dog' and fullText contains 'cat')
     54 //   Exclusion query (e.g. -cat => not fullText contains 'cat').
     55 //   Quoted query (e.g. "dog cat" => fullText contains 'dog cat').
     56 // See also: https://developers.google.com/drive/search-parameters
     57 std::string TranslateQuery(const std::string& original_query);
     58 
     59 // Extracts resource_id out of edit url.
     60 std::string ExtractResourceIdFromUrl(const GURL& url);
     61 
     62 // If |resource_id| is in the old resource ID format used by WAPI, converts it
     63 // into the new format.
     64 std::string CanonicalizeResourceId(const std::string& resource_id);
     65 
     66 // Converts FileResource to ResourceEntry.
     67 scoped_ptr<google_apis::ResourceEntry>
     68 ConvertFileResourceToResourceEntry(
     69     const google_apis::FileResource& file_resource);
     70 
     71 // Converts ChangeResource to ResourceEntry.
     72 scoped_ptr<google_apis::ResourceEntry>
     73 ConvertChangeResourceToResourceEntry(
     74     const google_apis::ChangeResource& change_resource);
     75 
     76 // Converts FileList to ResourceList.
     77 scoped_ptr<google_apis::ResourceList>
     78 ConvertFileListToResourceList(const google_apis::FileList& file_list);
     79 
     80 // Converts ChangeList to ResourceList.
     81 scoped_ptr<google_apis::ResourceList>
     82 ConvertChangeListToResourceList(const google_apis::ChangeList& change_list);
     83 
     84 // Returns the (base-16 encoded) MD5 digest of the file content at |file_path|,
     85 // or an empty string if an error is found.
     86 std::string GetMd5Digest(const base::FilePath& file_path);
     87 
     88 // Returns preferred file extension for hosted documents which have given mime
     89 // type.
     90 std::string GetHostedDocumentExtension(const std::string& mime_type);
     91 
     92 // Returns true if the given mime type is corresponding to one of known hosted
     93 // document types.
     94 bool IsKnownHostedDocumentMimeType(const std::string& mime_type);
     95 
     96 // Returns true if the given file path has an extension corresponding to one of
     97 // hosted document types.
     98 bool HasHostedDocumentExtension(const base::FilePath& path);
     99 
    100 }  // namespace util
    101 }  // namespace drive
    102 
    103 #endif  // CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_
    104