import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/dns/nsEffectiveTLDService.h

@@ -0,0 +1,98 @@
+//* -*- 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