1eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch// Copyright 2013 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "components/autofill/core/browser/autofill_scanner.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 8eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "components/autofill/core/browser/autofill_field.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)namespace autofill { 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano TucciAutofillScanner::AutofillScanner(std::vector<AutofillField*>& fields) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : cursor_(fields.begin()), 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) saved_cursor_(fields.begin()), 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) begin_(fields.begin()), 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) end_(fields.end()) { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)AutofillScanner::~AutofillScanner() { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AutofillScanner::Advance() { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!IsEnd()); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ++cursor_; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 271320f92c476a1ad9d19dba2a48c72b75566198e9Primiano TucciAutofillField* AutofillScanner::Cursor() const { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IsEnd()) { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return *cursor_; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool AutofillScanner::IsEnd() const { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return cursor_ == end_; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AutofillScanner::Rewind() { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(saved_cursor_ != end_); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cursor_ = saved_cursor_; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) saved_cursor_ = end_; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void AutofillScanner::RewindTo(size_t index) { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(index < static_cast<size_t>(end_ - begin_)); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cursor_ = begin_ + index; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) saved_cursor_ = end_; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t AutofillScanner::SaveCursor() { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) saved_cursor_ = cursor_; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<size_t>(cursor_ - begin_); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 56c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 57c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} // namespace autofill 58