content/renderer/android/address_detector.cc

   1 // Copyright (c) 2012 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 "content/renderer/android/address_detector.h"
   6
   7 #include <bitset>
   8
   9 #include "base/strings/string_util.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "content/common/android/address_parser.h"
  12 #include "content/public/renderer/android_content_detection_prefixes.h"
  13 #include "net/base/escape.h"
  14
  15 namespace {
  16
  17 // Maximum text length to be searched for address detection.
  18 static const size_t kMaxAddressLength = 250;
  19
  20 }  // anonymous namespace
  21
  22 namespace content {
  23
  24 AddressDetector::AddressDetector() {
  25 }
  26
  27 AddressDetector::~AddressDetector() {
  28 }
  29
  30 GURL AddressDetector::GetIntentURL(const std::string& content_text) {
  31   return GURL(kAddressPrefix +
  32       net::EscapeQueryParamValue(content_text, true));
  33 }
  34
  35 size_t AddressDetector::GetMaximumContentLength() {
  36   return kMaxAddressLength;
  37 }
  38
  39 std::string AddressDetector::GetContentText(const base::string16& text) {
  40   // Get the address and replace unicode bullets with commas.
  41   base::string16 address_16 = base::CollapseWhitespace(text, false);
  42   std::replace(address_16.begin(), address_16.end(),
  43       static_cast<base::char16>(0x2022), static_cast<base::char16>(','));
  44   return base::UTF16ToUTF8(address_16);
  45 }
  46
  47 bool AddressDetector::FindContent(
  48     const base::string16::const_iterator& begin,
  49     const base::string16::const_iterator& end,
  50     size_t* start_pos,
  51     size_t* end_pos,
  52     std::string* content_text) {
  53   if (address_parser::FindAddress(begin, end, start_pos, end_pos)) {
  54     content_text->assign(
  55         GetContentText(base::string16(begin + *start_pos, begin + *end_pos)));
  56     return true;
  57   }
  58   return false;
  59 }
  60
  61 }  // namespace content