自学教程：C++ FindNode函数代码示例

CTSTR LocaleStringLookup::LookupString(CTSTR lookupVal){    StringLookupNode *child = FindNode(lookupVal);    if(!child)        return TEXT("(string not found)");    if(!child->leaf)        return TEXT("(lookup error)");    return child->leaf->strValue;}

VOID Map<K,V,KeyElementTraits, ValueElementTraits, ThreadingModel>::Add( CONST K& Key, CONST V& Value ){	Node* pNode = FindNode(Key);	if( pNode == 0 )  {    m_NodeCount++;		Insert( Key, Value );  }  else		pNode->m_Value = Value;}

string XMLFile::Get( const string& path ) {	xmlNodePtr cur;	// Look for the Node	cur = FindNode( path );	if( cur ) { // Found the path		return NodeToString(xmlPtr,cur);;	} else {		return "";	}}

MySensorsBase::_tMySensorNode* MySensorsBase::InsertNode(const int nodeID){	_tMySensorNode mNode;	mNode.nodeID = nodeID;	mNode.SketchName = "Unknown";	mNode.SketchVersion = "1.0";	mNode.lastreceived = time(NULL);	m_nodes[mNode.nodeID] = mNode;	Add2Database(mNode.nodeID, mNode.SketchName, mNode.SketchVersion);	return FindNode(nodeID);}

void CTopologyNodeList::Delete (CTopologyNode *pNode)//	Delete////	Delete the given node	{	int iIndex;	if (FindNode(pNode, &iIndex))		m_List.Delete(iIndex);	}

void XMLFile::Set( const string& path, const int value ) {	// Convert the int to a string before saving it.	string stringvalue;	stringstream val_ss;	val_ss << value;	val_ss >> stringvalue;	LogMsg(INFO,"Overriding Option['%s'] from '%s' to '%s'",path.c_str(),Get(path).c_str(),stringvalue.c_str());	xmlNodePtr p =  FindNode(path,true);	xmlNodeSetContent(p, BAD_CAST stringvalue.c_str() );	assert( stringvalue == Get(path));}

BOOL Set<K,ElementTraits>::Remove( CONST K& Key ){	Node* pNode = FindNode(Key);		if (pNode == 0)		return false;  m_NodeCount--;	Delete(pNode);	return true;}

Node* FindValue(HashTable* hashTable, char* key){    if(hashTable != NULL)    {        int hashOffset = GenerateHash((char*)key) % hashTable->totalBucketCount;        if(hashTable->nodeTable[hashOffset] != NULL)        {            return FindNode(hashTable->nodeTable[hashOffset], key);        }    }    return NULL;}

//-----------------------------------------------------------------------------bool ConicModel::Read(TiXmlNode* node){    TiXmlNode* sensor = FindNode(node,"sensor");    TiXmlNode* image_size =  FindNode(sensor,"image_size");    m_width = ReadNodeAs<unsigned int>(image_size,"width");    m_height= ReadNodeAs<unsigned int>(image_size,"height");    TiXmlNode* ppa = FindNode(sensor,"ppa");    m_cPPA = ReadNodeAs<double>(ppa,"c");    m_lPPA = ReadNodeAs<double>(ppa,"l");    m_focal= ReadNodeAs<double>(ppa,"focale");    TiXmlNode* disto = FindNode(sensor,"distortion");    if(m_distortion) delete m_distortion;    if(disto)    {        m_distortion = new DistortionPolynom;        m_distortion->Read(disto);    }    return true;}

SpatialGraphKDNode* SpatialGraph::FindNode(SpatialGraphKDNode* node, const BoundingBox& bbox){	if (node == NULL)		return NULL;	//check if this bbox fits entirely within our node	if (node->BBox.Contains(bbox) == Within)	{		//Check our children		SpatialGraphKDNode* retVal = FindNode(node->LHC, bbox );		if (retVal != NULL)			return retVal;		retVal = FindNode(node->RHC, bbox);		if( retVal != NULL )			return retVal;		//otherwise, return ourselves		return node;	}	return NULL;}

node* FullFindNode(HWND hwnd){  unsigned short tag;  node *found;  for (tag=0; tag<TAGS; tag++) {    found = FindNode(hwnd, tag);    if (found) return found;  }  return NULL;}

void PCB_TEXT::Parse( XNODE*        aNode,                      int           aLayer,                      wxString      aDefaultMeasurementUnit,                      wxString      aActualConversion ){    XNODE*      lNode;    wxString    str;    m_PCadLayer     = aLayer;    m_KiCadLayer    = GetKiCadLayer();    m_positionX     = 0;    m_positionY     = 0;    m_name.mirror   = 0;    // Normal, not mirrored    lNode = FindNode( aNode, wxT( "pt" ) );    if( lNode )        SetPosition( lNode->GetNodeContent(), aDefaultMeasurementUnit,                     &m_positionX, &m_positionY, aActualConversion );    lNode = FindNode( aNode, wxT( "rotation" ) );    if( lNode )    {        str = lNode->GetNodeContent();        str.Trim( false );        m_rotation = StrToInt1Units( str );    }    aNode->GetAttribute( wxT( "Name" ), &m_name.text );    str = FindNodeGetContent( aNode, wxT( "isFlipped" ) );    if( str == wxT( "True" ) )        m_name.mirror = 1;    lNode = FindNode( aNode, wxT( "textStyleRef" ) );    if( lNode )        SetFontProperty( lNode, &m_name, aDefaultMeasurementUnit, aActualConversion );}

void SetFontProperty( XNODE*        aNode,                      TTEXTVALUE*   aTextValue,                      wxString      aDefaultMeasurementUnit,                      wxString      aActualConversion ){    wxString n, propValue;    aNode->GetAttribute( wxT( "Name" ), &n );    while( aNode->GetName() != wxT( "www.lura.sk" ) )        aNode = aNode->GetParent();    aNode = FindNode( aNode, wxT( "library" ) );    if( aNode )        aNode = FindNode( aNode, wxT( "textStyleDef" ) );    if( aNode )    {        while( true )        {            aNode->GetAttribute( wxT( "Name" ), &propValue );            propValue.Trim( false );            propValue.Trim( true );            if( propValue == n )                break;            aNode = aNode->GetNext();        }        if( aNode )        {            aNode = FindNode( aNode, wxT( "font" ) );            if( aNode )            {                if( FindNode( aNode, wxT( "fontHeight" ) ) )                    // // SetWidth(iNode.ChildNodes.FindNode('fontHeight').Text,                    // //          DefaultMeasurementUnit,tv.TextHeight);                    // Fixed By Lubo, 02/2008                    SetHeight( FindNode( aNode, wxT(                                             "fontHeight" ) )->GetNodeContent(),                               aDefaultMeasurementUnit, &aTextValue->textHeight,                               aActualConversion );                if( FindNode( aNode, wxT( "strokeWidth" ) ) )                    SetWidth( FindNode( aNode, wxT(                                            "strokeWidth" ) )->GetNodeContent(),                              aDefaultMeasurementUnit, &aTextValue->textstrokeWidth,                              aActualConversion );            }        }    }}

/**************************************************************************	//Function:			DelData	//Description:		根据关键字删除一条记录	//Calls:	//Called by:	//Input:						tKey				记录关键字	//Output:	//Return:						返回值				说明						0					成功						负值				失败	//Others:	//Author:	fanyh	Email: [email
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