1// Copyright (c) 2010 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 "chrome/common/extensions/extension_extent.h"
6
7#include "chrome/common/extensions/url_pattern.h"
8#include "googleurl/src/gurl.h"
9
10ExtensionExtent::ExtensionExtent() {
11}
12
13ExtensionExtent::ExtensionExtent(const ExtensionExtent& rhs)
14    : patterns_(rhs.patterns_) {
15}
16
17ExtensionExtent::~ExtensionExtent() {
18}
19
20ExtensionExtent& ExtensionExtent::operator=(const ExtensionExtent& rhs) {
21  patterns_ = rhs.patterns_;
22  return *this;
23}
24
25bool ExtensionExtent::is_empty() const {
26  return patterns_.empty();
27}
28
29void ExtensionExtent::AddPattern(const URLPattern& pattern) {
30  patterns_.push_back(pattern);
31}
32
33void ExtensionExtent::ClearPaths() {
34  patterns_.clear();
35}
36
37bool ExtensionExtent::ContainsURL(const GURL& url) const {
38  for (PatternList::const_iterator pattern = patterns_.begin();
39       pattern != patterns_.end(); ++pattern) {
40    if (pattern->MatchesUrl(url))
41      return true;
42  }
43
44  return false;
45}
46
47bool ExtensionExtent::OverlapsWith(const ExtensionExtent& other) const {
48  // Two extension extents overlap if there is any one URL that would match at
49  // least one pattern in each of the extents.
50  for (PatternList::const_iterator i = patterns_.begin();
51       i != patterns_.end(); ++i) {
52    for (PatternList::const_iterator j = other.patterns().begin();
53         j != other.patterns().end(); ++j) {
54      if (i->OverlapsWith(*j))
55        return true;
56    }
57  }
58
59  return false;
60}
61