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			87 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
	
		
			2.1 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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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
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        {
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            return mTextKeyByTime.begin();
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        }
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        auto end() const noexcept
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        {
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            return mTextKeyByTime.end();
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        }
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        auto rbegin() const noexcept
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        {
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            return mTextKeyByTime.rbegin();
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        }
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        auto rend() const noexcept
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        {
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            return mTextKeyByTime.rend();
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        }
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        auto lowerBound(float time) const
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        {
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            return mTextKeyByTime.lower_bound(time);
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        }
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        auto upperBound(float time) const
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        {
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            return mTextKeyByTime.upper_bound(time);
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        }
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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
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        {
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            return mTextKeyByTime.empty();
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        }
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        auto findGroupStart(const std::string &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(const std::string &groupName) const
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        {
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            return mGroups.count(groupName) > 0;
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        }
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    private:
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        struct IsGroupStart
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        {
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            const std::string &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> 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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