gecko-dev/layout/style/CSSMozDocumentRule.cpp

72 строки
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/CSSMozDocumentRule.h"
#include "mozilla/dom/CSSMozDocumentRuleBinding.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
using namespace mozilla::css;
/* virtual */ JSObject*
CSSMozDocumentRule::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto)
{
return CSSMozDocumentRuleBinding::Wrap(aCx, this, aGivenProto);
}
bool
CSSMozDocumentRule::Match(nsIDocument* aDoc,
nsIURI* aDocURI,
const nsACString& aDocURISpec,
const nsACString& aPattern,
URLMatchingFunction aUrlMatchingFunction)
{
switch (aUrlMatchingFunction) {
case URLMatchingFunction::eURL: {
if (aDocURISpec == aPattern) {
return true;
}
} break;
case URLMatchingFunction::eURLPrefix: {
if (StringBeginsWith(aDocURISpec, aPattern)) {
return true;
}
} break;
case URLMatchingFunction::eDomain: {
nsAutoCString host;
if (aDocURI) {
aDocURI->GetHost(host);
}
int32_t lenDiff = host.Length() - aPattern.Length();
if (lenDiff == 0) {
if (host == aPattern) {
return true;
}
} else {
if (StringEndsWith(host, aPattern) &&
host.CharAt(lenDiff - 1) == '.') {
return true;
}
}
} break;
case URLMatchingFunction::eRegExp: {
NS_ConvertUTF8toUTF16 spec(aDocURISpec);
NS_ConvertUTF8toUTF16 regex(aPattern);
if (nsContentUtils::IsPatternMatching(spec, regex, aDoc)) {
return true;
}
} break;
}
return false;
}
} // namespace dom
} // namespace mozilla