Introduce url::Origin to represent Web Origin.

Introduce url::Origin to represent a serialized Web Origin defined in RFC6455.
This class wraps a string representation of blink-side SecurityOrigin object.

BUG=339373
R=tyoshino@chromium.org, ricea@chromium.org

Review URL: https://codereview.chromium.org/170843007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256789 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 91 insertions, 0 deletions

diff --git a/url/origin.cc b/url/origin.cc
new file mode 100644
index 0000000..eb2cf14
--- /dev/null
+++ b/url/origin.cc
@@ -0,0 +1,19 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "url/origin.h"
+
+#include "base/strings/string_util.h"
+
+namespace url {
+
+Origin::Origin() : string_("null") {}
+
+Origin::Origin(const std::string& origin) : string_(origin) {
+  DCHECK(origin == "null" || MatchPattern(origin, "?*://?*"));
+  DCHECK_GT(origin.size(), 0u);
+  DCHECK_NE(origin[origin.size() - 1], '/');
+}
+
+}  // namespace url
diff --git a/url/origin.h b/url/origin.h
new file mode 100644
index 0000000..777e4e1e
--- /dev/null
+++ b/url/origin.h
@@ -0,0 +1,33 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef URL_ORIGIN_H_
+#define URL_ORIGIN_H_
+
+#include <string>
+
+#include "url/url_export.h"
+
+namespace url {
+
+// Origin represents a Web Origin serialized to a string.
+// See RFC6454 for details.
+class URL_EXPORT Origin {
+ public:
+  Origin();
+  explicit Origin(const std::string& origin);
+
+  const std::string& string() const { return string_; }
+
+  bool IsSameAs(const Origin& that) const {
+    return string_ == that.string_;
+  }
+
+ private:
+  std::string string_;
+};
+
+}  // namespace url
+
+#endif  // URL_ORIGIN_H_
diff --git a/url/origin_unittest.cc b/url/origin_unittest.cc
new file mode 100644
index 0000000..d08342e
--- /dev/null
+++ b/url/origin_unittest.cc
@@ -0,0 +1,36 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/origin.h"
+
+namespace url {
+
+namespace {
+
+// Each test examines the Origin is constructed correctly without
+// violating DCHECKs.
+TEST(OriginTest, constructEmpty) {
+  Origin origin;
+  EXPECT_EQ("null", origin.string());
+}
+
+TEST(OriginTest, constructNull) {
+  Origin origin("null");
+  EXPECT_EQ("null", origin.string());
+}
+
+TEST(OriginTest, constructValidOrigin) {
+  Origin origin("http://example.com:8080");
+  EXPECT_EQ("http://example.com:8080", origin.string());
+}
+
+TEST(OriginTest, constructValidOriginWithoutPort) {
+  Origin origin("wss://example2.com");
+  EXPECT_EQ("wss://example2.com", origin.string());
+}
+
+}  // namespace
+
+}  // namespace url
diff --git a/url/url.gyp b/url/url.gyp
index bb617f1..93bbee2 100644
--- a/url/url.gyp
+++ b/url/url.gyp
@@ -48,6 +48,7 @@
       ],
       'sources': [
         'gurl_unittest.cc',
+        'origin_unittest.cc',
         'url_canon_unittest.cc',
         'url_parse_unittest.cc',
         'url_test_utils.h',
diff --git a/url/url_srcs.gypi b/url/url_srcs.gypi
index e26bd75..3114620 100644
--- a/url/url_srcs.gypi
+++ b/url/url_srcs.gypi
@@ -7,6 +7,8 @@
     'gurl_sources': [
       'gurl.cc',
       'gurl.h',
+      'origin.cc',
+      'origin.h',
       'third_party/mozilla/url_parse.cc',
       'third_party/mozilla/url_parse.h',
       'url_canon.h',