mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-13 18:27:35 +00:00
9d2a708f22
This saves 128 KiB of memory per process. It requires putting the eTLD entries in sorted order. --HG-- extra : rebase_source : 96678fcd91089a5151760dcced77e459bcbd4821
99 lines
2.7 KiB
C++
99 lines
2.7 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/. */
|
|
|
|
#ifndef EffectiveTLDService_h
|
|
#define EffectiveTLDService_h
|
|
|
|
#include "nsIEffectiveTLDService.h"
|
|
|
|
#include "nsIMemoryReporter.h"
|
|
#include "nsString.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/BinarySearch.h"
|
|
#include "mozilla/MemoryReporting.h"
|
|
|
|
class nsIIDNService;
|
|
|
|
// struct for static data generated from effective_tld_names.dat
|
|
struct ETLDEntry {
|
|
friend class nsEffectiveTLDService;
|
|
|
|
public:
|
|
bool IsNormal() const { return wild || !exception; }
|
|
bool IsException() const { return exception; }
|
|
bool IsWild() const { return wild; }
|
|
|
|
const char* GetEffectiveTLDName() const
|
|
{
|
|
return strings.strtab + strtab_index;
|
|
}
|
|
|
|
static const ETLDEntry* GetEntry(const char* aDomain);
|
|
|
|
static const size_t ETLD_ENTRY_N_INDEX_BITS = 30;
|
|
|
|
// These fields must be public to allow static construction.
|
|
uint32_t strtab_index : ETLD_ENTRY_N_INDEX_BITS;
|
|
uint32_t exception : 1;
|
|
uint32_t wild : 1;
|
|
|
|
private:
|
|
struct Cmp {
|
|
int operator()(const ETLDEntry aEntry) const
|
|
{
|
|
return strcmp(mName, aEntry.GetEffectiveTLDName());
|
|
}
|
|
explicit Cmp(const char* aName) : mName(aName) {}
|
|
const char* mName;
|
|
};
|
|
|
|
#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
|
|
};
|
|
|
|
// This static string table is all the eTLD domain names packed together.
|
|
static const union etld_strings {
|
|
struct etld_string_list list;
|
|
char strtab[1];
|
|
} strings;
|
|
|
|
// This is the static entries table. Each entry has an index into the string
|
|
// table. The entries are in sorted order so that binary search can be used.
|
|
static const ETLDEntry entries[];
|
|
|
|
void FuncForStaticAsserts(void);
|
|
#undef ETLD_STR_NUM
|
|
#undef ETLD_STR_NUM1
|
|
};
|
|
|
|
class nsEffectiveTLDService 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();
|
|
|
|
nsCOMPtr<nsIIDNService> mIDNService;
|
|
};
|
|
|
|
#endif // EffectiveTLDService_h
|