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
AddressDetector()24 AddressDetector::AddressDetector() {
25 }
26
~AddressDetector()27 AddressDetector::~AddressDetector() {
28 }
29
GetIntentURL(const std::string & content_text)30 GURL AddressDetector::GetIntentURL(const std::string& content_text) {
31 return GURL(kAddressPrefix +
32 net::EscapeQueryParamValue(content_text, true));
33 }
34
GetMaximumContentLength()35 size_t AddressDetector::GetMaximumContentLength() {
36 return kMaxAddressLength;
37 }
38
GetContentText(const base::string16 & text)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
FindContent(const base::string16::const_iterator & begin,const base::string16::const_iterator & end,size_t * start_pos,size_t * end_pos,std::string * content_text)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
62