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
3// found in the LICENSE file.
4
5#include "printing/page_range.h"
6
7#include <set>
8
9namespace {
10const std::size_t kMaxNumberOfPages = 100000;
11}
12
13namespace printing {
14
15/* static */
16std::vector<int> PageRange::GetPages(const PageRanges& ranges) {
17  // TODO(vitalybuka): crbug.com/95548 Remove this method as part fix.
18  std::set<int> pages;
19  for (unsigned i = 0; i < ranges.size(); ++i) {
20    const PageRange& range = ranges[i];
21    // Ranges are inclusive.
22    for (int i = range.from; i <= range.to; ++i) {
23      pages.insert(i);
24      if (pages.size() >= kMaxNumberOfPages)
25        return std::vector<int>(pages.begin(), pages.end());
26    }
27  }
28  return std::vector<int>(pages.begin(), pages.end());
29}
30
31}  // namespace printing
32