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tools/toolutils/attributeelementchoicelist.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "toolutils/attributeelementchoicelist.h"
+#include "datamodel/dmelement.h"
+
+	
+typedef CUtlRBTree< CDmElement *, int > ElementDict_t;
+
+
+//-----------------------------------------------------------------------------
+// returns the choice string that AddElementsRecursively would have returned
+//-----------------------------------------------------------------------------
+const char *GetChoiceString( CDmElement *pElement )
+{
+	return pElement->GetName();
+}
+
+//-----------------------------------------------------------------------------
+// Recursively adds all elements referred to this element into the list of elements
+//-----------------------------------------------------------------------------
+void AddElementsRecursively_R( CDmElement *pElement, ElementChoiceList_t &list, ElementDict_t &dict, const char *pElementType )
+{
+	if ( !pElement )
+		return;
+
+	if ( dict.Find( pElement ) != dict.InvalidIndex() )
+		return;
+
+	dict.Insert( pElement );
+
+	if ( pElement->IsA( pElementType ) )
+	{
+		int nIndex = list.AddToTail( );
+		ElementChoice_t &entry = list[nIndex];
+		entry.m_pValue = pElement;
+		entry.m_pChoiceString = GetChoiceString( pElement );
+	}
+
+	for ( CDmAttribute *pAttribute = pElement->FirstAttribute(); pAttribute; pAttribute = pAttribute->NextAttribute() )
+	{
+		char const *attributeName = pAttribute->GetName( );
+		DmAttributeType_t attrType = pAttribute->GetType( );
+		if ( attrType == AT_ELEMENT )
+		{
+			CDmElement *pChild = pElement->GetValueElement< CDmElement >( attributeName );
+			AddElementsRecursively_R( pChild, list, dict, pElementType );
+		}
+		else if ( attrType == AT_ELEMENT_ARRAY )
+		{
+			const CDmrElementArray<CDmElement> children( pElement, attributeName );
+			uint n = children.Count();
+			for ( uint i = 0; i < n; ++i )
+			{
+				CDmElement *pChild = children[ i ];
+				AddElementsRecursively_R( pChild, list, dict, pElementType );
+			}
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Recursively adds all elements referred to this element into the list of elements
+//-----------------------------------------------------------------------------
+void AddElementsRecursively_R( CDmElement *pElement, DmeHandleVec_t &list, ElementDict_t &dict, const char *pElementType )
+{
+	if ( !pElement )
+		return;
+
+	if ( dict.Find( pElement ) != dict.InvalidIndex() )
+		return;
+
+	dict.Insert( pElement );
+
+	if ( pElement->IsA( pElementType ) )
+	{
+		int nIndex = list.AddToTail( );
+		list[nIndex] = pElement;
+	}
+
+	for ( CDmAttribute *pAttribute = pElement->FirstAttribute(); pAttribute; pAttribute = pAttribute->NextAttribute() )
+	{
+		char const *attributeName = pAttribute->GetName( );
+		DmAttributeType_t attrType = pAttribute->GetType( );
+		if ( attrType == AT_ELEMENT )
+		{
+			CDmElement *pChild = pElement->GetValueElement< CDmElement >( attributeName );
+			AddElementsRecursively_R( pChild, list, dict, pElementType );
+		}
+		else if ( attrType == AT_ELEMENT_ARRAY )
+		{
+			const CDmrElementArray<CDmElement> children( pElement, attributeName );
+			uint n = children.Count();
+			for ( uint i = 0; i < n; ++i )
+			{
+				CDmElement *pChild = children[ i ];
+				AddElementsRecursively_R( pChild, list, dict, pElementType );
+			}
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Recursively adds all elements referred to this element into the list of elements
+//-----------------------------------------------------------------------------
+void AddElementsRecursively( CDmElement *obj, ElementChoiceList_t &list, const char *pElementType )
+{
+	if ( !pElementType )
+	{
+		pElementType = g_pDataModel->GetString( CDmElement::GetStaticTypeSymbol() );
+	}
+
+	ElementDict_t dict( 0, 0, DefLessFunc( CDmElement * ) );
+	AddElementsRecursively_R( obj, list, dict, pElementType );
+}
+
+
+//-----------------------------------------------------------------------------
+// Recursively adds all elements of the specified type under pElement into the vector
+//-----------------------------------------------------------------------------
+void AddElementsRecursively( CDmElement *pElement, DmeHandleVec_t &list, const char *pElementType )
+{
+	if ( !pElementType )
+	{
+		pElementType = g_pDataModel->GetString( CDmElement::GetStaticTypeSymbol() );
+	}
+
+	ElementDict_t dict( 0, 0, DefLessFunc( CDmElement * ) );
+	AddElementsRecursively_R( pElement, list, dict, pElementType );
+}