Move web_request directory to //extensions.

chrome/browser/extensions/api/web_request/upload_data_presenter.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_EXTENSIONS_API_WEB_REQUEST_UPLOAD_DATA_PRESENTER_H_
-#define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_UPLOAD_DATA_PRESENTER_H_
-
-#include <string>
-#include <vector>
-
-#include "base/gtest_prod_util.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace base {
-class DictionaryValue;
-class ListValue;
-class Value;
-}
-
-namespace extensions {
-class FormDataParser;
-}
-
-namespace net {
-class URLRequest;
-class UploadElementReader;
-}
-
-namespace extensions {
-
-namespace subtle {
-
-// Helpers shared with unit-tests.
-
-// Appends a dictionary {'key': 'value'} to |list|. |list| becomes the owner of
-// |value|.
-void AppendKeyValuePair(const char* key,
-                        base::Value* value,
-                        base::ListValue* list);
-
-}  // namespace subtle
-
-FORWARD_DECLARE_TEST(WebRequestUploadDataPresenterTest, RawData);
-
-// UploadDataPresenter is an interface for objects capable to consume a series
-// of UploadElementReader and represent this data as a base:Value.
-//
-// Workflow for objects implementing this interface:
-// 1. Call object->FeedNext(reader) for each element from the request's body.
-// 2. Check if object->Succeeded().
-// 3. If that check passed then retrieve object->Result().
-class UploadDataPresenter {
- public:
-  virtual ~UploadDataPresenter();
-  virtual void FeedNext(const net::UploadElementReader& reader) = 0;
-  virtual bool Succeeded() = 0;
-  virtual scoped_ptr<base::Value> Result() = 0;
-
- protected:
-  UploadDataPresenter() {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(UploadDataPresenter);
-};
-
-// This class passes all the bytes from bytes elements as a BinaryValue for each
-// such element. File elements are presented as StringValue containing the path
-// for that file.
-class RawDataPresenter : public UploadDataPresenter {
- public:
-  RawDataPresenter();
-  virtual ~RawDataPresenter();
-
-  // Implementation of UploadDataPresenter.
-  virtual void FeedNext(const net::UploadElementReader& reader) OVERRIDE;
-  virtual bool Succeeded() OVERRIDE;
-  virtual scoped_ptr<base::Value> Result() OVERRIDE;
-
- private:
-  void FeedNextBytes(const char* bytes, size_t size);
-  void FeedNextFile(const std::string& filename);
-  FRIEND_TEST_ALL_PREFIXES(WebRequestUploadDataPresenterTest, RawData);
-
-  bool success_;
-  scoped_ptr<base::ListValue> list_;
-
-  DISALLOW_COPY_AND_ASSIGN(RawDataPresenter);
-};
-
-// This class inspects the contents of bytes elements. It uses the
-// parser classes inheriting from FormDataParser to parse the concatenated
-// content of such elements. If the parsing is successful, the parsed form is
-// returned as a DictionaryValue. For example, a form consisting of
-// <input name="check" type="checkbox" value="A" checked />
-// <input name="check" type="checkbox" value="B" checked />
-// <input name="text" type="text" value="abc" />
-// would be represented as {"check": ["A", "B"], "text": ["abc"]} (although as a
-// DictionaryValue, not as a JSON string).
-class ParsedDataPresenter : public UploadDataPresenter {
- public:
-  explicit ParsedDataPresenter(const net::URLRequest& request);
-  virtual ~ParsedDataPresenter();
-
-  // Implementation of UploadDataPresenter.
-  virtual void FeedNext(const net::UploadElementReader& reader) OVERRIDE;
-  virtual bool Succeeded() OVERRIDE;
-  virtual scoped_ptr<base::Value> Result() OVERRIDE;
-
-  // Allows to create ParsedDataPresenter without the URLRequest. Uses the
-  // parser for "application/x-www-form-urlencoded" form encoding. Only use this
-  // in tests.
-  static scoped_ptr<ParsedDataPresenter> CreateForTests();
-
- private:
-  // This constructor is used in CreateForTests.
-  explicit ParsedDataPresenter(const std::string& form_type);
-
-  // Clears resources and the success flag.
-  void Abort();
-  scoped_ptr<FormDataParser> parser_;
-  bool success_;
-  scoped_ptr<base::DictionaryValue> dictionary_;
-
-  DISALLOW_COPY_AND_ASSIGN(ParsedDataPresenter);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_UPLOAD_DATA_PRESENTER_H_