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Teuchos_TreeBuildingXMLHandler.hpp
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00041 
00042 #ifndef Teuchos_TREEBUILDINGXMLHANDLER_H
00043 #define Teuchos_TREEBUILDINGXMLHANDLER_H
00044 
00049 #include "Teuchos_ConfigDefs.hpp"
00050 #include "Teuchos_XMLObject.hpp"
00051 #include <list>
00052 #include <stack>
00053 
00054 
00055 namespace Teuchos
00056 {
00057 
00061   class TreeBuildingXMLHandler
00062     {
00063       typedef Teuchos::map<std::string, std::string> Map;
00064     public:
00066       TreeBuildingXMLHandler();
00067 
00069       const XMLObject& getObject() const
00070         {
00071           // valid XML requires a root object; we will allow empty XML files
00072           TEST_FOR_EXCEPTION(
00073             root_.isEmpty(), EmptyXMLError
00074             ,"Error, An empty XML std::string or file was specified!"
00075             "  The XML specification requires at minimum the presence"
00076             " of a root element!" );
00077           return root_.getChild(0);
00078         }
00079 
00081       void characters(const std::string& chars);
00082 
00084       int endElement(const std::string& tag);
00085 
00087       void startElement(const std::string& tag,
00088                         const Map& attributes);
00089 
00090     private:
00091       XMLObject root_;
00092       XMLObject current_;
00093       std::stack<XMLObject> path_;
00094     };
00095 }
00096 
00097 
00098 #endif
00099 
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