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MueLu_ParameterListUtils.hpp
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46 
47 #ifndef MUELU_PARAMETERLISTUTILS_HPP
48 #define MUELU_PARAMETERLISTUTILS_HPP
49 
50 #include <string>
51 #include <sstream>
52 
54 #include <Teuchos_RCPDecl.hpp>
55 #include "MueLu_ConfigDefs.hpp"
56 
57 namespace MueLu {
58 
59  /* See also: ML_Epetra::UpdateList */
60  void MergeParameterList(const Teuchos::ParameterList &source, Teuchos::ParameterList &dest, bool overWrite);
61 
63 
64  // Usage: GetMLSubList(paramList, "smoother", 2);
65  const Teuchos::ParameterList & GetMLSubList(const Teuchos::ParameterList & paramList, const std::string & type, int levelID);
66 
67  // Extract all the parameters that begin with "str:" (but skip sublist)
69 
75  void replaceAll(std::string& str, const std::string& from, const std::string& to);
76 
78  template<typename Type>
79  bool replacePlaceholder(std::string& str, const std::string& placeholder, Type data) {
80  std::stringstream s;
81  s << data;
82  replaceAll(str, placeholder, s.str());
83  return true;
84  }
85 
86  template<typename Type>
87  bool actionInterpretParameter(Teuchos::ParameterList& mlParams, const std::string& paramName, std::string& str) {
88 
89  //MUELU_READ_PARAM(mlParams, paramName, int, 0, data);
90 
91  Type varName; // = defaultValue; // extract from master list
92  if (mlParams.isParameter(paramName)) varName = mlParams.get<Type>(paramName);
93 
94  std::stringstream placeholder;
95  placeholder << "$" << paramName << "$";
96 
97  return MueLu::replacePlaceholder<Type>(str, placeholder.str(), varName);
98  }
99 
100 } // namespace MueLu
101 
102 #endif // MUELU_PARAMETERLISTUTILS_HPP
void MergeParameterList(const Teuchos::ParameterList &source, Teuchos::ParameterList &dest, bool overWrite)
: merge two parameter lists
bool replacePlaceholder(std::string &str, const std::string &placeholder, Type data)
templated version to replace placeholder by data in &quot;str&quot;
T & get(const std::string &name, T def_value)
const Teuchos::ParameterList & GetMLSubList(const Teuchos::ParameterList &paramList, const std::string &type, int levelID)
bool isParameter(const std::string &name) const
void CreateSublists(const ParameterList &List, ParameterList &newList)
Teuchos::RCP< Teuchos::ParameterList > ExtractSetOfParameters(const Teuchos::ParameterList &paramList, const std::string &str)
bool actionInterpretParameter(Teuchos::ParameterList &mlParams, const std::string &paramName, std::string &str)
void replaceAll(std::string &str, const std::string &from, const std::string &to)