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65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
#ifndef OPENMW_COMPONENTS_SCENEUTIL_TEXTKEYMAP
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#define OPENMW_COMPONENTS_SCENEUTIL_TEXTKEYMAP
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#include <algorithm>
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#include <map>
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#include <set>
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#include <string>
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#include <string_view>
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namespace SceneUtil
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{
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class TextKeyMap
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{
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public:
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using ConstIterator = std::multimap<float, std::string>::const_iterator;
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auto begin() const noexcept { return mTextKeyByTime.begin(); }
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auto end() const noexcept { return mTextKeyByTime.end(); }
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auto rbegin() const noexcept { return mTextKeyByTime.rbegin(); }
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auto rend() const noexcept { return mTextKeyByTime.rend(); }
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auto lowerBound(float time) const { return mTextKeyByTime.lower_bound(time); }
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auto upperBound(float time) const { return mTextKeyByTime.upper_bound(time); }
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void emplace(float time, std::string&& textKey)
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{
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const auto separator = textKey.find(": ");
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if (separator != std::string::npos)
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mGroups.emplace(textKey.substr(0, separator));
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mTextKeyByTime.emplace(time, std::move(textKey));
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}
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bool empty() const noexcept { return mTextKeyByTime.empty(); }
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auto findGroupStart(std::string_view groupName) const
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{
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return std::find_if(mTextKeyByTime.begin(), mTextKeyByTime.end(), IsGroupStart{ groupName });
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}
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bool hasGroupStart(std::string_view groupName) const { return mGroups.count(groupName) > 0; }
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private:
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struct IsGroupStart
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{
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std::string_view mGroupName;
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bool operator()(const std::multimap<float, std::string>::value_type& value) const
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{
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return value.second.compare(0, mGroupName.size(), mGroupName) == 0
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&& value.second.compare(mGroupName.size(), 2, ": ") == 0;
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}
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};
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std::set<std::string, std::less<>> mGroups;
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std::multimap<float, std::string> mTextKeyByTime;
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};
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}
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#endif
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