Teuchos_TreeBuildingXMLHandler.cpp
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00029 #include "Teuchos_TreeBuildingXMLHandler.hpp"
00030 #include "Teuchos_StrUtils.hpp"
00031 #include "Teuchos_TestForException.hpp"
00032
00033 using namespace Teuchos;
00034
00035 TreeBuildingXMLHandler::TreeBuildingXMLHandler()
00036 : root_(), current_(), path_()
00037 {
00038 current_ = root_;
00039 }
00040
00041 void TreeBuildingXMLHandler::characters(const std::string& chars)
00042 {
00043 TEST_FOR_EXCEPTION(current_.isEmpty(), std::logic_error,
00044 "TreeBuildingXMLHandler::trying to add content to an empty node");
00045
00046 current_.addContent(StrUtils::fixUnprintableCharacters(chars));
00047 }
00048
00049 void TreeBuildingXMLHandler::startElement(const std::string& tag,
00050 const Map& attributes)
00051 {
00052 XMLObject parent;
00053
00054 if (current_.isEmpty())
00055 {
00056 root_ = XMLObject("root");
00057 current_ = root_;
00058 }
00059 parent = current_;
00060 path_.push(current_);
00061 current_ = XMLObject(tag);
00062 parent.addChild(current_);
00063
00064 for (Map::const_iterator i=attributes.begin(); i != attributes.end(); ++i)
00065 {
00066 const std::string& key = (*i).first;
00067 const std::string& val = (*i).second;
00068 current_.addAttribute(key, val);
00069 }
00070 }
00071
00072 int TreeBuildingXMLHandler::endElement(const std::string& tag)
00073 {
00074 int error = 0;
00075 if (path_.size() > 0)
00076 {
00077 if (current_.getTag() != tag) {
00078 error = 1;
00079 }
00080 current_ = path_.top();
00081 path_.pop();
00082 }
00083 else
00084 {
00085 error = 1;
00086 }
00087 return error;
00088 }
00089