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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_AUTOFILL_AUTOFILL_SCANNER_H_ | 5 #ifndef CHROME_BROWSER_AUTOFILL_AUTOFILL_SCANNER_H_ |
| 6 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_SCANNER_H_ | 6 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_SCANNER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| (...skipping 13 matching lines...) Expand all Loading... | |
| 24 // Returns the current field in the stream, or |NULL| if there are no more | 24 // Returns the current field in the stream, or |NULL| if there are no more |
| 25 // fields in the stream. | 25 // fields in the stream. |
| 26 const AutofillField* Cursor() const; | 26 const AutofillField* Cursor() const; |
| 27 | 27 |
| 28 // Returns |true| if the cursor has reached the end of the stream. | 28 // Returns |true| if the cursor has reached the end of the stream. |
| 29 bool IsEnd() const; | 29 bool IsEnd() const; |
| 30 | 30 |
| 31 // Returns the most recently saved cursor -- see also |SaveCursor()|. | 31 // Returns the most recently saved cursor -- see also |SaveCursor()|. |
| 32 void Rewind(); | 32 void Rewind(); |
| 33 | 33 |
| 34 // Returns the specified |index| saved cursor. |index| must be the return | |
| 35 // value of |SaveCursor()|. | |
| 36 void RewindTo(size_t position); | |
| 37 | |
| 34 // Saves the current cursor position. Multiple cursor positions can be saved, | 38 // Saves the current cursor position. Multiple cursor positions can be saved, |
| 35 // with stack ordering semantics. See also |Rewind()|. | 39 // with stack ordering semantics. Returns the saved cursor position. |
| 36 void SaveCursor(); | 40 // See also |Rewind()|. |
| 41 size_t SaveCursor(); | |
| 37 | 42 |
| 38 private: | 43 private: |
| 39 // Indicates the current position in the stream, represented as a vector. | 44 // Indicates the current position in the stream, represented as a vector. |
| 40 std::vector<AutofillField*>::const_iterator cursor_; | 45 std::vector<AutofillField*>::const_iterator cursor_; |
| 41 | 46 |
| 42 // A stack of saved positions in the stream. | 47 // A stack of saved positions in the stream. |
| 43 std::vector<std::vector<AutofillField*>::const_iterator> saved_cursors_; | 48 std::vector<std::vector<AutofillField*>::const_iterator> saved_cursors_; |
|
Ilya Sherman
2011/05/13 00:54:53
Since we need to expose RewindTo() functionality a
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| 44 | 49 |
| 45 // The past-the-end pointer for the stream. | 50 // The past-the-end pointer for the stream. |
| 46 const std::vector<AutofillField*>::const_iterator end_; | 51 const std::vector<AutofillField*>::const_iterator end_; |
| 47 | 52 |
| 48 DISALLOW_COPY_AND_ASSIGN(AutofillScanner); | 53 DISALLOW_COPY_AND_ASSIGN(AutofillScanner); |
| 49 }; | 54 }; |
| 50 | 55 |
| 51 #endif // CHROME_BROWSER_AUTOFILL_AUTOFILL_SCANNER_H_ | 56 #endif // CHROME_BROWSER_AUTOFILL_AUTOFILL_SCANNER_H_ |
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