145 lines
4.2 KiB
C++
145 lines
4.2 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include <map>
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#include <vector>
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#include "include/internal/cef_string_multimap.h"
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#include "base/logging.h"
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namespace {
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class StringMultimap {
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using Map = std::multimap<CefString, CefString>;
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using value_type = Map::value_type;
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public:
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using const_iterator = Map::const_iterator;
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size_t size() const { return map_ref_.size(); }
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size_t count(const CefString& key) const { return map_.count(key); }
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const value_type operator[](size_t pos) const { return *map_ref_[pos]; }
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std::pair<const_iterator, const_iterator> equal_range(
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const CefString& key) const {
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return map_.equal_range(key);
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}
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void insert(value_type&& value) {
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auto it = map_.insert(std::move(value)); // does not invalidate iterators
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map_ref_.push_back(std::move(it));
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}
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void clear() {
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map_ref_.clear();
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map_.clear();
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}
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private:
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Map map_;
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std::vector<Map::const_iterator> map_ref_;
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};
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} // namespace
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CEF_EXPORT cef_string_multimap_t cef_string_multimap_alloc() {
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return reinterpret_cast<cef_string_multimap_t>(new StringMultimap);
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}
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CEF_EXPORT size_t cef_string_multimap_size(cef_string_multimap_t map) {
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DCHECK(map);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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return impl->size();
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}
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CEF_EXPORT size_t cef_string_multimap_find_count(cef_string_multimap_t map,
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const cef_string_t* key) {
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DCHECK(map);
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DCHECK(key);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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return impl->count(CefString(key));
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}
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CEF_EXPORT int cef_string_multimap_enumerate(cef_string_multimap_t map,
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const cef_string_t* key,
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size_t value_index,
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cef_string_t* value) {
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DCHECK(map);
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DCHECK(key);
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DCHECK(value);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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CefString key_str(key);
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DCHECK_LT(value_index, impl->count(key_str));
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if (value_index >= impl->count(key_str)) {
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return 0;
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}
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std::pair<StringMultimap::const_iterator, StringMultimap::const_iterator>
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range_it = impl->equal_range(key_str);
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size_t count = value_index;
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while (count-- && range_it.first != range_it.second) {
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range_it.first++;
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}
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if (range_it.first == range_it.second) {
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return 0;
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}
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const CefString& val = range_it.first->second;
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return cef_string_set(val.c_str(), val.length(), value, true);
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}
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CEF_EXPORT int cef_string_multimap_key(cef_string_multimap_t map,
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size_t index,
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cef_string_t* key) {
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DCHECK(map);
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DCHECK(key);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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DCHECK_LT(index, impl->size());
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if (index >= impl->size()) {
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return 0;
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}
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const auto& [k, _] = (*impl)[index];
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return cef_string_set(k.c_str(), k.length(), key, true);
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}
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CEF_EXPORT int cef_string_multimap_value(cef_string_multimap_t map,
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size_t index,
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cef_string_t* value) {
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DCHECK(map);
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DCHECK(value);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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DCHECK_LT(index, impl->size());
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if (index >= impl->size()) {
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return 0;
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}
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const auto& [_, v] = (*impl)[index];
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return cef_string_set(v.c_str(), v.length(), value, true);
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}
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CEF_EXPORT int cef_string_multimap_append(cef_string_multimap_t map,
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const cef_string_t* key,
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const cef_string_t* value) {
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DCHECK(map);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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impl->insert(std::make_pair(CefString(key), CefString(value)));
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return 1;
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}
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CEF_EXPORT void cef_string_multimap_clear(cef_string_multimap_t map) {
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DCHECK(map);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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impl->clear();
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}
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CEF_EXPORT void cef_string_multimap_free(cef_string_multimap_t map) {
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DCHECK(map);
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StringMultimap* impl = reinterpret_cast<StringMultimap*>(map);
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delete impl;
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}
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