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69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
#pragma once
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#include "Xy.h"
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#include "unordered_dense.h"
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/**
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* 根据路径和子层条件过滤图层，并提供包含检查功能
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*/
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class LayerHelper
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{
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public:
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LayerHelper(const CXy& xy, const CString& layerName, bool includeSubLayer)
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{
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CString fullName = CLayerName(layerName).GetFullPathNameA();
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fullName.MakeLower();
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CClassList* pClassList = const_cast<CXy&>(xy).GetClassList();
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POSITION classPos = pClassList->GetHeadPosition();
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while (classPos != nullptr)
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{
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CLayerList* pLayerList = pClassList->GetNext(classPos);
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assert(pLayerList != nullptr);
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POSITION layerPos = pLayerList->GetHeadPosition();
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while (layerPos != nullptr)
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{
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CLayer* pLayer = pLayerList->GetNext(layerPos);
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assert(pLayer != nullptr);
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if (CheckLayerPath(pLayer, fullName, includeSubLayer))
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{
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m_set.insert(pLayer);
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}
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}
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}
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}
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bool IsIncluedLayer(CLayer* pLayer) const
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{
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return m_set.find(pLayer) != m_set.end();
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}
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private:
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bool CheckLayerPath(CLayer* pLayer, const CString& fullName, bool includeSubLayer) const
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{
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CString layerFullName = pLayer->GetPathName();
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layerFullName.MakeLower();
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if (!StartsWith(layerFullName, fullName))
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{
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return false;
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}
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if (layerFullName.GetLength() == fullName.GetLength())
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{
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return true;
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}
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if (!includeSubLayer)
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{
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return false;
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}
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return (layerFullName.GetLength() > fullName.GetLength() && layerFullName[fullName.GetLength()] == '\\');
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}
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ankerl::unordered_dense::set<CLayer*> m_set;
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};
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