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50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
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// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_TOOLS_HUFFMAN_TRIE_TRIE_ENTRY_H_
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#define NET_TOOLS_HUFFMAN_TRIE_TRIE_ENTRY_H_
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#include <memory>
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#include <string>
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#include <vector>
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namespace net {
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namespace huffman_trie {
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class TrieBitBuffer;
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class TrieEntry {
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public:
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TrieEntry();
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virtual ~TrieEntry();
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// The name to be used when inserting the entry to the trie. E.g. for HSTS
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// preload list, this is the hostname.
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virtual std::string name() const = 0;
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virtual bool WriteEntry(huffman_trie::TrieBitBuffer* writer) const = 0;
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};
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// std::unique_ptr's are not covariant, so operations on TrieEntry uses a vector
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// of raw pointers instead.
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using TrieEntries = std::vector<TrieEntry*>;
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// ReversedEntry points to a TrieEntry and contains the reversed name for
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// that entry. This is used to construct the trie.
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struct ReversedEntry {
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ReversedEntry(std::vector<uint8_t> reversed_name, const TrieEntry* entry);
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~ReversedEntry();
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std::vector<uint8_t> reversed_name;
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const TrieEntry* entry;
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};
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using ReversedEntries = std::vector<std::unique_ptr<ReversedEntry>>;
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} // namespace huffman_trie
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} // namespace net
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#endif // NET_TOOLS_HUFFMAN_TRIE_TRIE_ENTRY_H_
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