printing/page_range.cc

   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
   9 namespace {
  10 const std::size_t kMaxNumberOfPages = 100000;
  11 }
  12
  13 namespace printing {
  14
  15 /* static */
  16 std::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