gecko-dev/netwerk/dns/nsEffectiveTLDService.h

97 lines
2.2 KiB
C++

//* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsIEffectiveTLDService.h"
#include "nsTHashtable.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "mozilla/Attributes.h"
class nsIIDNService;
// struct for static data generated from effective_tld_names.dat
struct ETLDEntry {
const char* domain;
bool exception;
bool 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;
}
bool 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 = true };
void SetData(const ETLDEntry* entry) { mData = entry; }
bool IsNormal() { return mData->wild || !mData->exception; }
bool IsException() { return mData->exception; }
bool IsWild() { return mData->wild; }
private:
const ETLDEntry* mData;
};
class nsEffectiveTLDService MOZ_FINAL : 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;
};