46 #include "Teuchos_CommHelpers.hpp" 49 void Teuchos::updateParametersFromXmlFileAndBroadcast(
50 const std::string &xmlFileName,
51 const Ptr<ParameterList> ¶mList,
52 const Comm<int> &comm,
56 if (comm.getSize()==1)
59 if (comm.getRank()==0) {
60 XMLParameterListReader xmlPLReader;
61 xmlPLReader.setAllowsDuplicateSublists(
false );
62 FileInputSource xmlFile(xmlFileName);
63 XMLObject xmlParams = xmlFile.getObject();
64 std::string xmlString =
toString(xmlParams);
65 int strsize = xmlString.size();
66 broadcast<int, int>(comm, 0, &strsize);
67 broadcast<int, char>(comm, 0, strsize, &xmlString[0]);
72 broadcast<int, int>(comm, 0, &strsize);
73 std::string xmlString;
74 xmlString.resize(strsize);
75 broadcast<int, char>(comm, 0, strsize, &xmlString[0]);
Writes an XML object to a parameter list.
TEUCHOSPARAMETERLIST_LIB_DLL_EXPORT void updateParametersFromXmlFile(const std::string &xmlFileName, const Ptr< ParameterList > ¶mList)
Reads XML parameters from a file and updates those already in the given parameter list...
std::string toString(const any &rhs)
Converts the value in any to a std::string.
Additional ParameterList XML helper functions including parallel support.
TEUCHOSPARAMETERLIST_LIB_DLL_EXPORT void updateParametersFromXmlString(const std::string &xmlStr, const Ptr< ParameterList > ¶mList, bool overwrite=true)
Reads XML parameters from a std::string and updates those already in the given parameter list...