void
SysComponentLoader::updateComponentContext(
RefCountedPtr<SysContext> &ctx,
const DOMDocument* doc )
{
std::vector<DOMProcessingInstruction*> pis;
DomUtils::findProcessingInstructions( doc, TARGET_NAME, pis );
for ( std::vector<DOMProcessingInstruction*>::const_iterator it = pis.begin();
it != pis.end(); it++ )
{
// check to see if the processing instruction has the
// following attributes:
// "component-name" - name of the class to create
// "component-config" - path of the config tree for the component
//
Mapping attrs;
if ( DomUtils::getAttributes( (*it), attrs ) )
{
String cmpName;
attrs.getIfAvailable(CMP_NAME_ATTR, cmpName);
RefCountedPtr<iSysComponent> cmp = ctx->getComponent( cmpName );
if ( cmp != NULL )
{
// locate it's configuration and call it to initialize
String xmlIsland;
attrs.getIfAvailable(CMP_CFG_ATTR, xmlIsland);
if ( xmlIsland.length() > 0 )
{
const DOMNode* theNode = (const DOMNode*)doc->getDocumentElement();
DOMElement* xmlNode = NULL;
DomUtils::selectSingleNode( theNode, xmlIsland, (DOMNode**)&xmlNode );
cmp->update( xmlNode );
}
}
}
}
}
