зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.2 KiB
C
66 строки
2.2 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef IDNBlocklistUtils_h__
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#define IDNBlocklistUtils_h__
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#include "mozilla/Pair.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace net {
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// A blocklist range is defined as all of the characters between:
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// { firstCharacterInRange, lastCharacterInRange }
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typedef mozilla::Pair<char16_t, char16_t> BlocklistRange;
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// Used to perform a binary search of the needle in the sorted array of pairs
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class BlocklistPairToCharComparator {
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public:
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bool Equals(const BlocklistRange& pair, char16_t needle) const {
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// If the needle is between pair.first() and pair.second() it
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// is part of the range.
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return pair.first() <= needle && needle <= pair.second();
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}
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bool LessThan(const BlocklistRange& pair, char16_t needle) const {
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// The needle has to be larger than the second value,
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// otherwise it may be equal.
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return pair.second() < needle;
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}
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};
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// Used to sort the array of pairs
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class BlocklistEntryComparator {
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public:
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bool Equals(const BlocklistRange& a, const BlocklistRange& b) const {
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return a.first() == b.first() && a.second() == b.second();
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}
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bool LessThan(const BlocklistRange& a, const BlocklistRange& b) const {
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return a.first() < b.first();
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}
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};
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// Returns true if the char can be found in the blocklist
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inline bool CharInBlocklist(char16_t aChar,
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const nsTArray<BlocklistRange>& aBlocklist) {
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return aBlocklist.ContainsSorted(aChar, BlocklistPairToCharComparator());
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}
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// Initializes the blocklist based on the statically defined list and the
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// values of the following preferences:
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// - network.IDN.extra_allowed_chars
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// - network.IDN.extra_blocked_chars
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void InitializeBlocklist(nsTArray<BlocklistRange>& aBlocklist);
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void RemoveCharFromBlocklist(char16_t aChar,
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nsTArray<BlocklistRange>& aBlocklist);
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} // namespace net
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} // namespace mozilla
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#endif // IDNBlocklistUtils_h__
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