diff -r 000000000000 -r 6474c204b198 netwerk/dns/nsEffectiveTLDService.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/netwerk/dns/nsEffectiveTLDService.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,131 @@ +//* -*- 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/. */ + +#ifndef EffectiveTLDService_h +#define EffectiveTLDService_h + +#include "nsIEffectiveTLDService.h" + +#include "nsIMemoryReporter.h" +#include "nsTHashtable.h" +#include "nsString.h" +#include "nsCOMPtr.h" +#include "mozilla/Attributes.h" +#include "mozilla/MemoryReporting.h" + +class nsIIDNService; + +#define ETLD_ENTRY_N_INDEX_BITS 30 + +// struct for static data generated from effective_tld_names.dat +struct ETLDEntry { + uint32_t strtab_index : ETLD_ENTRY_N_INDEX_BITS; + uint32_t exception : 1; + uint32_t wild : 1; +}; + + +// hash entry class +class nsDomainEntry : public PLDHashEntryHdr +{ + friend class nsEffectiveTLDService; +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 GetEffectiveTLDName(mData->strtab_index); + } + + bool KeyEquals(KeyTypePointer aKey) const + { + return !strcmp(GetKey(), 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 nullptr + return PL_DHashStringKey(nullptr, 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; } + + static const char *GetEffectiveTLDName(size_t idx) + { + return strings.strtab + idx; + } + +private: + const ETLDEntry* mData; +#define ETLD_STR_NUM_1(line) str##line +#define ETLD_STR_NUM(line) ETLD_STR_NUM_1(line) + struct etld_string_list { +#define ETLD_ENTRY(name, ex, wild) char ETLD_STR_NUM(__LINE__)[sizeof(name)]; +#include "etld_data.inc" +#undef ETLD_ENTRY + }; + static const union etld_strings { + struct etld_string_list list; + char strtab[1]; + } strings; + static const ETLDEntry entries[]; + void FuncForStaticAsserts(void); +#undef ETLD_STR_NUM +#undef ETLD_STR_NUM1 +}; + +class nsEffectiveTLDService MOZ_FINAL + : public nsIEffectiveTLDService + , public nsIMemoryReporter +{ +public: + NS_DECL_ISUPPORTS + NS_DECL_NSIEFFECTIVETLDSERVICE + NS_DECL_NSIMEMORYREPORTER + + nsEffectiveTLDService(); + nsresult Init(); + + size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf); + +private: + nsresult GetBaseDomainInternal(nsCString &aHostname, int32_t aAdditionalParts, nsACString &aBaseDomain); + nsresult NormalizeHostname(nsCString &aHostname); + ~nsEffectiveTLDService(); + + nsTHashtable mHash; + nsCOMPtr mIDNService; +}; + +#endif // EffectiveTLDService_h