Remove WAPI-related code, except the type definition of ResourceEntry.

google_apis/drive/gdata_wapi_parser.h

Index: google_apis/drive/gdata_wapi_parser.h
diff --git a/google_apis/drive/gdata_wapi_parser.h b/google_apis/drive/gdata_wapi_parser.h
index 5d2ec50f18492b1fb0333b19e499ac82c8bf00e6..2ba79b67d25507d59d6fd9ba1d0385e218d459c2 100644
--- a/google_apis/drive/gdata_wapi_parser.h
+++ b/google_apis/drive/gdata_wapi_parser.h
@@ -6,310 +6,16 @@
 #define GOOGLE_APIS_DRIVE_GDATA_WAPI_PARSER_H_
 
 #include <string>
-#include <utility>
-#include <vector>
 
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "base/strings/string_piece.h"
-#include "base/time/time.h"
-#include "url/gurl.h"
-
-namespace base {
-class FilePath;
-class DictionaryValue;
-class Value;
-
-template <class StructType>
-class JSONValueConverter;
-
-namespace internal {
-template <class NestedType>
-class RepeatedMessageConverter;
-}  // namespace internal
-
-}  // namespace base
+#include "base/macros.h"
 
 // Defines data elements of Google Documents API as described in
 // http://code.google.com/apis/documents/.
 namespace google_apis {
 
-// Defines link (URL) of an entity (document, file, feed...). Each entity could
-// have more than one link representing it.
-class Link {
- public:
-  enum LinkType {
-    LINK_UNKNOWN,
-    LINK_SELF,
-    LINK_NEXT,
-    LINK_PARENT,
-    LINK_ALTERNATE,
-    LINK_EDIT,
-    LINK_EDIT_MEDIA,
-    LINK_ALT_EDIT_MEDIA,
-    LINK_ALT_POST,
-    LINK_FEED,
-    LINK_POST,
-    LINK_BATCH,
-    LINK_RESUMABLE_EDIT_MEDIA,
-    LINK_RESUMABLE_CREATE_MEDIA,
-    LINK_TABLES_FEED,
-    LINK_WORKSHEET_FEED,
-    LINK_THUMBNAIL,
-    LINK_EMBED,
-    LINK_PRODUCT,
-    LINK_ICON,
-    LINK_OPEN_WITH,
-    LINK_SHARE,
-  };
-  Link();
-  ~Link();
-
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  static void RegisterJSONConverter(base::JSONValueConverter<Link>* converter);
-
-  // Type of the link.
-  LinkType type() const { return type_; }
-
-  // URL of the link.
-  const GURL& href() const { return href_; }
-
-  // Title of the link.
-  const std::string& title() const { return title_; }
-
-  // For OPEN_WITH links, this contains the application ID. For all other link
-  // types, it is the empty string.
-  const std::string& app_id() const { return app_id_; }
-
-  // Link MIME type.
-  const std::string& mime_type() const { return mime_type_; }
-
-  void set_type(LinkType type) { type_ = type; }
-  void set_href(const GURL& href) { href_ = href; }
-  void set_title(const std::string& title) { title_ = title; }
-  void set_app_id(const std::string& app_id) { app_id_ = app_id; }
-  void set_mime_type(const std::string& mime_type) { mime_type_ = mime_type; }
-
- private:
-  friend class ResourceEntry;
-  // Converts value of link.rel into LinkType. Outputs to |type| and returns
-  // true when |rel| has a valid value. Otherwise does nothing and returns
-  // false.
-  static bool GetLinkType(const base::StringPiece& rel, LinkType* type);
-
-  // Converts value of link.rel to application ID, if there is one embedded in
-  // the link.rel field. Outputs to |app_id| and returns true when |rel| has a
-  // valid value. Otherwise does nothing and returns false.
-  static bool GetAppID(const base::StringPiece& rel, std::string* app_id);
-
-  LinkType type_;
-  GURL href_;
-  std::string title_;
-  std::string app_id_;
-  std::string mime_type_;
-
-  DISALLOW_COPY_AND_ASSIGN(Link);
-};
-
-// Feed links define links (URLs) to special list of entries (i.e. list of
-// previous document revisions).
-class ResourceLink {
- public:
-  enum ResourceLinkType {
-    FEED_LINK_UNKNOWN,
-    FEED_LINK_ACL,
-    FEED_LINK_REVISIONS,
-  };
-  ResourceLink();
-
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  static void RegisterJSONConverter(
-      base::JSONValueConverter<ResourceLink>* converter);
-
-  // MIME type of the feed.
-  ResourceLinkType type() const { return type_; }
-
-  // URL of the feed.
-  const GURL& href() const { return href_; }
-
-  void set_type(ResourceLinkType type) { type_ = type; }
-  void set_href(const GURL& href) { href_ = href; }
-
- private:
-  friend class ResourceEntry;
-  // Converts value of gd$feedLink.rel into ResourceLinkType enum.
-  // Outputs to |result| and returns true when |rel| has a valid
-  // value.  Otherwise does nothing and returns false.
-  static bool GetFeedLinkType(
-      const base::StringPiece& rel, ResourceLinkType* result);
-
-  ResourceLinkType type_;
-  GURL href_;
-
-  DISALLOW_COPY_AND_ASSIGN(ResourceLink);
-};
-
-// Author represents an author of an entity.
-class Author {
- public:
-  Author();
-
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  static void RegisterJSONConverter(
-      base::JSONValueConverter<Author>* converter);
-
-  // Getters.
-  const std::string& name() const { return name_; }
-  const std::string& email() const { return email_; }
-
-  void set_name(const std::string& name) { name_ = name; }
-  void set_email(const std::string& email) { email_ = email; }
-
- private:
-  friend class ResourceEntry;
-
-  std::string name_;
-  std::string email_;
-
-  DISALLOW_COPY_AND_ASSIGN(Author);
-};
-
-// Entry category.
-class Category {
- public:
-  enum CategoryType {
-    CATEGORY_UNKNOWN,
-    CATEGORY_ITEM,
-    CATEGORY_KIND,
-    CATEGORY_LABEL,
-  };
-
-  Category();
-
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  static void RegisterJSONConverter(
-      base::JSONValueConverter<Category>* converter);
-
-  // Category label.
-  const std::string& label() const { return label_; }
-
-  // Category type.
-  CategoryType type() const { return type_; }
-
-  // Category term.
-  const std::string& term() const { return term_; }
-
-  void set_label(const std::string& label) { label_ = label; }
-  void set_type(CategoryType type) { type_ = type; }
-  void set_term(const std::string& term) { term_ = term; }
-
- private:
-  friend class ResourceEntry;
-  // Converts category scheme into CategoryType enum. For example,
-  // http://schemas.google.com/g/2005#kind => Category::CATEGORY_KIND
-  // Returns false and does not change |result| when |scheme| has an
-  // unrecognizable value.
-  static bool GetCategoryTypeFromScheme(
-      const base::StringPiece& scheme, CategoryType* result);
-
-  std::string label_;
-  CategoryType type_;
-  std::string term_;
-
-  DISALLOW_COPY_AND_ASSIGN(Category);
-};
-
-// Content details of a resource: mime-type, url, and so on.
-class Content {
- public:
-  Content();
-
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  static void RegisterJSONConverter(
-      base::JSONValueConverter<Content>* converter);
-
-  // The URL to download the file content.
-  // Note that the url can expire, so we'll fetch the latest resource
-  // entry before starting a download to get the download URL.
-  const GURL& url() const { return url_; }
-  const std::string& mime_type() const { return mime_type_; }
-
-  void set_url(const GURL& url) { url_ = url; }
-  void set_mime_type(const std::string& mime_type) { mime_type_ = mime_type; }
-
- private:
-  friend class ResourceEntry;
-
-  GURL url_;
-  std::string mime_type_;
-};
-
-// Base class for feed entries. This class defines fields commonly used by
-// various feeds.
-class CommonMetadata {
- public:
-  CommonMetadata();
-  virtual ~CommonMetadata();
-
-  // Returns a link of a given |type| for this entry. If not found, it returns
-  // NULL.
-  const Link* GetLinkByType(Link::LinkType type) const;
-
-  // Entry update time.
-  base::Time updated_time() const { return updated_time_; }
-
-  // Entry ETag.
-  const std::string& etag() const { return etag_; }
-
-  // List of entry authors.
-  const ScopedVector<Author>& authors() const { return authors_; }
-
-  // List of entry links.
-  const ScopedVector<Link>& links() const { return links_; }
-  ScopedVector<Link>* mutable_links() { return &links_; }
-
-  // List of entry categories.
-  const ScopedVector<Category>& categories() const { return categories_; }
-
-  void set_etag(const std::string& etag) { etag_ = etag; }
-  void set_authors(ScopedVector<Author> authors) {
-    authors_ = authors.Pass();
-  }
-  void set_links(ScopedVector<Link> links) {
-    links_ = links.Pass();
-  }
-  void set_categories(ScopedVector<Category> categories) {
-    categories_ = categories.Pass();
-  }
-  void set_updated_time(const base::Time& updated_time) {
-    updated_time_ = updated_time;
-  }
-
- protected:
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  template<typename CommonMetadataDescendant>
-  static void RegisterJSONConverter(
-      base::JSONValueConverter<CommonMetadataDescendant>* converter);
-
-  std::string etag_;
-  ScopedVector<Author> authors_;
-  ScopedVector<Link> links_;
-  ScopedVector<Category> categories_;
-  base::Time updated_time_;
-
-  DISALLOW_COPY_AND_ASSIGN(CommonMetadata);
-};
-
 // This class represents a resource entry. A resource is a generic term which
 // refers to a file and a directory.
-class ResourceEntry : public CommonMetadata {
+class ResourceEntry {
  public:
   enum ResourceEntryKind {
     ENTRY_KIND_UNKNOWN,
@@ -317,110 +23,17 @@ class ResourceEntry : public CommonMetadata {
     ENTRY_KIND_FILE
   };
   ResourceEntry();
-  ~ResourceEntry() override;
-
-  // Extracts "entry" dictionary from the JSON value, and parse the contents,
-  // using CreateFrom(). Returns NULL on failure. The input JSON data, coming
-  // from the gdata server, looks like:
-  //
-  // {
-  //   "encoding": "UTF-8",
-  //   "entry": { ... },   // This function will extract this and parse.
-  //   "version": "1.0"
-  // }
-  //
-  // The caller should delete the returned object.
-  static scoped_ptr<ResourceEntry> ExtractAndParse(const base::Value& value);
-
-  // Creates resource entry from parsed JSON Value.  You should call
-  // this instead of instantiating JSONValueConverter by yourself
-  // because this method does some post-process for some fields.  See
-  // FillRemainingFields comment and implementation for the details.
-  static scoped_ptr<ResourceEntry> CreateFrom(const base::Value& value);
-
-  // Returns name of entry node.
-  static std::string GetEntryNodeName();
-
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  static void RegisterJSONConverter(
-      base::JSONValueConverter<ResourceEntry>* converter);
-
-  // Sets true to |result| if the field exists.
-  // Always returns true even when the field does not exist.
-  static bool HasFieldPresent(const base::Value* value, bool* result);
-
-  // Parses |value| as int64 and sets it to |result|. If the field does not
-  // exist, sets 0 to |result| as default value.
-  // Returns true if |value| is NULL or it is parsed as int64 successfully.
-  static bool ParseChangestamp(const base::Value* value, int64* result);
+  ~ResourceEntry();
 
   // The resource ID is used to identify a resource, which looks like:
   // file:d41d8cd98f00b204e9800998ecf8
   const std::string& resource_id() const { return resource_id_; }
 
-  // This is a URL looks like:
-  // https://docs.google.com/feeds/id/file%3Ad41d8cd98f00b204e9800998ecf8.
-  // The URL is currently not used.
-  const std::string& id() const { return id_; }
-
   ResourceEntryKind kind() const { return kind_; }
   const std::string& title() const { return title_; }
-  base::Time published_time() const { return published_time_; }
-  base::Time last_viewed_time() const { return last_viewed_time_; }
-  const std::vector<std::string>& labels() const { return labels_; }
-
-  // The URL to download a file content.
-  // Search for 'download_url' in gdata_wapi_requests.h for details.
-  const GURL& download_url() const { return content_.url(); }
-
-  const std::string& content_mime_type() const { return content_.mime_type(); }
-
-  // The resource links contain extra links for revisions and access control,
-  // etc.  Note that links() contain more basic links like edit URL,
-  // alternative URL, etc.
-  const ScopedVector<ResourceLink>& resource_links() const {
-    return resource_links_;
-  }
-
-  // File name (exists only for kinds FILE and PDF).
-  const std::string& filename() const { return filename_; }
-
-  // Suggested file name (exists only for kinds FILE and PDF).
-  const std::string& suggested_filename() const { return suggested_filename_; }
-
-  // File content MD5 (exists only for kinds FILE and PDF).
-  const std::string& file_md5() const { return file_md5_; }
-
-  // File size (exists only for kinds FILE and PDF).
-  int64 file_size() const { return file_size_; }
 
   // True if the file or directory is deleted (applicable to change list only).
-  bool deleted() const { return deleted_ || removed_; }
-
-  // Changestamp (exists only for change query results).
-  // If not exists, defaults to 0.
-  int64 changestamp() const { return changestamp_; }
-
-  // Image width (exists only for images).
-  // If doesn't exist, then equals -1.
-  int64 image_width() const { return image_width_; }
-
-  // Image height (exists only for images).
-  // If doesn't exist, then equals -1.
-  int64 image_height() const { return image_height_; }
-
-  // Image rotation in clockwise degrees (exists only for images).
-  // If doesn't exist, then equals -1.
-  int64 image_rotation() const { return image_rotation_; }
-
-  // The time of this modification.
-  // Note: This property is filled only when converted from ChangeResource.
-  const base::Time& modification_date() const { return modification_date_; }
-
-  // Text version of resource entry kind. Returns an empty string for
-  // unknown entry kind.
-  std::string GetEntryKindText() const;
+  bool deleted() const { return deleted_; }
 
   // True if resource entry is a folder (collection).
   bool is_folder() const {
@@ -434,169 +47,19 @@ class ResourceEntry : public CommonMetadata {
   void set_resource_id(const std::string& resource_id) {
     resource_id_ = resource_id;
   }
-  void set_id(const std::string& id) { id_ = id; }
   void set_kind(ResourceEntryKind kind) { kind_ = kind; }
   void set_title(const std::string& title) { title_ = title; }
-  void set_published_time(const base::Time& published_time) {
-    published_time_ = published_time;
-  }
-  void set_last_viewed_time(const base::Time& last_viewed_time) {
-    last_viewed_time_ = last_viewed_time;
-  }
-  void set_labels(const std::vector<std::string>& labels) {
-    labels_ = labels;
-  }
-  void set_content(const Content& content) {
-    content_ = content;
-  }
-  void set_resource_links(ScopedVector<ResourceLink> resource_links) {
-    resource_links_ = resource_links.Pass();
-  }
-  void set_filename(const std::string& filename) { filename_ = filename; }
-  void set_suggested_filename(const std::string& suggested_filename) {
-    suggested_filename_ = suggested_filename;
-  }
-  void set_file_md5(const std::string& file_md5) { file_md5_ = file_md5; }
-  void set_file_size(int64 file_size) { file_size_ = file_size; }
   void set_deleted(bool deleted) { deleted_ = deleted; }
-  void set_removed(bool removed) { removed_ = removed; }
-  void set_changestamp(int64 changestamp) { changestamp_ = changestamp; }
-  void set_image_width(int64 image_width) { image_width_ = image_width; }
-  void set_image_height(int64 image_height) { image_height_ = image_height; }
-  void set_image_rotation(int64 image_rotation) {
-    image_rotation_ = image_rotation;
-  }
-  void set_modification_date(const base::Time& modification_date) {
-    modification_date_ = modification_date;
-  }
-
-  // Fills the remaining fields where JSONValueConverter cannot catch.
-  // Currently, sets |kind_| and |labels_| based on the |categories_| in the
-  // class.
-  void FillRemainingFields();
 
  private:
-  friend class base::internal::RepeatedMessageConverter<ResourceEntry>;
-  friend class ResourceList;
-  friend class ResumeUploadRequest;
-
-  // Converts categories.term into ResourceEntryKind enum.
-  static ResourceEntryKind GetEntryKindFromTerm(const std::string& term);
-
   std::string resource_id_;
-  std::string id_;
   ResourceEntryKind kind_;
   std::string title_;
-  base::Time published_time_;
-  // Last viewed value may be unreliable. See: crbug.com/152628.
-  base::Time last_viewed_time_;
-  std::vector<std::string> labels_;
-  Content content_;
-  ScopedVector<ResourceLink> resource_links_;
-  // Optional fields for files only.
-  std::string filename_;
-  std::string suggested_filename_;
-  std::string file_md5_;
-  int64 file_size_;
   bool deleted_;
-  bool removed_;
-  int64 changestamp_;
-  int64 image_width_;
-  int64 image_height_;
-  int64 image_rotation_;
-
-  base::Time modification_date_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceEntry);
 };
 
-// This class represents a list of resource entries with some extra metadata
-// such as the root upload URL. The feed is paginated and the rest of the
-// feed can be fetched by retrieving the remaining parts of the feed from
-// URLs provided by GetNextFeedURL() method.
-class ResourceList : public CommonMetadata {
- public:
-  ResourceList();
-  ~ResourceList() override;
-
-  // Extracts "feed" dictionary from the JSON value, and parse the contents,
-  // using CreateFrom(). Returns NULL on failure. The input JSON data, coming
-  // from the gdata server, looks like:
-  //
-  // {
-  //   "encoding": "UTF-8",
-  //   "feed": { ... },   // This function will extract this and parse.
-  //   "version": "1.0"
-  // }
-  static scoped_ptr<ResourceList> ExtractAndParse(const base::Value& value);
-
-  // Creates feed from parsed JSON Value.  You should call this
-  // instead of instantiating JSONValueConverter by yourself because
-  // this method does some post-process for some fields.  See
-  // FillRemainingFields comment and implementation in ResourceEntry
-  // class for the details.
-  static scoped_ptr<ResourceList> CreateFrom(const base::Value& value);
-
-  // Registers the mapping between JSON field names and the members in
-  // this class.
-  static void RegisterJSONConverter(
-      base::JSONValueConverter<ResourceList>* converter);
-
-  // Returns true and passes|url| of the next feed if the current entry list
-  // does not completed this feed.
-  bool GetNextFeedURL(GURL* url) const;
-
-  // List of resource entries.
-  const ScopedVector<ResourceEntry>& entries() const { return entries_; }
-  ScopedVector<ResourceEntry>* mutable_entries() { return &entries_; }
-
-  // Releases entries_ into |entries|. This is a transfer of ownership, so the
-  // caller is responsible for deleting the elements of |entries|.
-  void ReleaseEntries(std::vector<ResourceEntry*>* entries);
-
-  // Start index of the resource entry list.
-  int start_index() const { return start_index_; }
-
-  // Number of items per feed of the resource entry list.
-  int items_per_page() const { return items_per_page_; }
-
-  // The largest changestamp. Next time the resource list should be fetched
-  // from this changestamp.
-  int64 largest_changestamp() const { return largest_changestamp_; }
-
-  // Resource entry list title.
-  const std::string& title() { return title_; }
-
-  void set_entries(ScopedVector<ResourceEntry> entries) {
-    entries_ = entries.Pass();
-  }
-  void set_start_index(int start_index) {
-    start_index_ = start_index;
-  }
-  void set_items_per_page(int items_per_page) {
-    items_per_page_ = items_per_page;
-  }
-  void set_title(const std::string& title) {
-    title_ = title;
-  }
-  void set_largest_changestamp(int64 largest_changestamp) {
-    largest_changestamp_ = largest_changestamp;
-  }
-
- private:
-  // Parses and initializes data members from content of |value|.
-  // Return false if parsing fails.
-  bool Parse(const base::Value& value);
-
-  ScopedVector<ResourceEntry> entries_;
-  int start_index_;
-  int items_per_page_;
-  std::string title_;
-  int64 largest_changestamp_;
-
-  DISALLOW_COPY_AND_ASSIGN(ResourceList);
-};
-
 }  // namespace google_apis
 
 #endif  // GOOGLE_APIS_DRIVE_GDATA_WAPI_PARSER_H_