gecko/netwerk/dns/nsEffectiveTLDService.h

131 lines
3.8 KiB
C++

//* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla TLD Service
*
* The Initial Developer of the Original Code is
* Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pamela Greene <pamg.bugs@gmail.com> (original author)
* Daniel Witte <dwitte@stanford.edu>
* Jeff Walden <jwalden+code@mit.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIEffectiveTLDService.h"
#include "nsTHashtable.h"
#include "nsString.h"
#include "nsCOMPtr.h"
class nsIIDNService;
// struct for static data generated from effective_tld_names.dat
struct ETLDEntry {
const char* domain;
PRPackedBool exception;
PRPackedBool wild;
};
// hash entry class
class nsDomainEntry : public PLDHashEntryHdr
{
public:
// Hash methods
typedef const char* KeyType;
typedef const char* KeyTypePointer;
nsDomainEntry(KeyTypePointer aEntry)
{
}
nsDomainEntry(const nsDomainEntry& toCopy)
{
// if we end up here, things will break. nsTHashtable shouldn't
// allow this, since we set ALLOW_MEMMOVE to true.
NS_NOTREACHED("nsDomainEntry copy constructor is forbidden!");
}
~nsDomainEntry()
{
}
KeyType GetKey() const
{
return mData->domain;
}
PRBool KeyEquals(KeyTypePointer aKey) const
{
return !strcmp(mData->domain, aKey);
}
static KeyTypePointer KeyToPointer(KeyType aKey)
{
return aKey;
}
static PLDHashNumber HashKey(KeyTypePointer aKey)
{
// PL_DHashStringKey doesn't use the table parameter, so we can safely
// pass nsnull
return PL_DHashStringKey(nsnull, aKey);
}
enum { ALLOW_MEMMOVE = PR_TRUE };
void SetData(const ETLDEntry* entry) { mData = entry; }
PRPackedBool IsNormal() { return mData->wild || !mData->exception; }
PRPackedBool IsException() { return mData->exception; }
PRPackedBool IsWild() { return mData->wild; }
private:
const ETLDEntry* mData;
};
class nsEffectiveTLDService : public nsIEffectiveTLDService
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIEFFECTIVETLDSERVICE
nsEffectiveTLDService() { }
nsresult Init();
private:
nsresult GetBaseDomainInternal(nsCString &aHostname, PRUint32 aAdditionalParts, nsACString &aBaseDomain);
nsresult NormalizeHostname(nsCString &aHostname);
~nsEffectiveTLDService() { }
nsTHashtable<nsDomainEntry> mHash;
nsCOMPtr<nsIIDNService> mIDNService;
};