Parametrizable.cpp
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5 Copyright (c) 2010--2012,
6 François Pomerleau and Stephane Magnenat, ASL, ETHZ, Switzerland
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8 <stephane at magnenat dot net>
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35 
36 #include "Parametrizable.h"
37 #include <boost/format.hpp>
38 #include <boost/typeof/typeof.hpp>
39 #include <string>
40 
41 namespace PointMatcherSupport
42 {
43  using namespace std;
44 
46  Parametrizable::InvalidParameter::InvalidParameter(const std::string& reason):
47  runtime_error(reason)
48  {}
49 
51  std::ostream& operator<< (std::ostream& o, const Parametrizable::ParameterDoc& p)
52  {
53  o << p.name << " (default: " << p.defaultValue << ") - " << p.doc;
54  if (!p.minValue.empty())
55  o << " - min: " << p.minValue;
56  if (!p.maxValue.empty())
57  o << " - max: " << p.maxValue;
58  return o;
59  }
60 
62  std::ostream& operator<< (std::ostream& o, const Parametrizable& p)
63  {
64  o << p.parametersDoc;
65  return o;
66  }
67 
69  std::ostream& operator<< (std::ostream& o, const Parametrizable::ParametersDoc& p)
70  {
71  for (BOOST_AUTO(it,p.begin()); it != p.end(); ++it)
72  o << "- " << *it << endl;
73  return o;
74  }
75 
77  bool FalseLexicalComparison(std::string, std::string)
78  {
79  return false;
80  }
81 
82  /*template<typename S>
83  bool ScalarLexicalComparison(std::string a, std::string b)
84  {
85  return boost::lexical_cast<S>(a) < boost::lexical_cast<S>(b);
86  }
87 
88  Uncomment once most people have gcc >= 4.5
89  Shame on bug 9050 (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9050)
90  template<typename S>
91  Parametrizable::ParameterDoc::ParameterDoc(const std::string& name, const std::string& doc, const S defaultValue, const S minValue, const S maxValue):
92  name(name),
93  doc(doc),
94  defaultValue(boost::lexical_cast<string>(defaultValue)),
95  minValue(boost::lexical_cast<string>(minValue)),
96  maxValue(boost::lexical_cast<string>(maxValue)),
97  comp(ScalarLexicalComparison<S>)
98  {}
99 
100  template<typename S>
101  Parametrizable::ParameterDoc::ParameterDoc(const std::string& name, const std::string& doc, const S defaultValue):
102  name(name),
103  doc(doc),
104  defaultValue(boost::lexical_cast<string>(defaultValue)),
105  minValue(""),
106  maxValue(""),
107  comp(TrueLexicalComparison)
108  {}
109  */
110 
112  Parametrizable::ParameterDoc::ParameterDoc(const std::string& name, const std::string& doc, const std::string& defaultValue, const std::string& minValue, const std::string& maxValue, LexicalComparison comp):
113  name(name),
114  doc(doc),
115  defaultValue(defaultValue),
116  minValue(minValue),
117  maxValue(maxValue),
118  comp(comp)
119  {}
120 
122  Parametrizable::ParameterDoc::ParameterDoc(const std::string& name, const std::string& doc, const std::string& defaultValue):
123  name(name),
124  doc(doc),
125  defaultValue(defaultValue),
126  minValue(""),
127  maxValue(""),
128  comp(FalseLexicalComparison)
129  {}
130 
132  /*ParametersDoc(const std::vector<ParameterDoc>& list):
133  std::vector<ParameterDoc>(list)
134  {}*/
135 
136  /*
137  Again, not used because fo gcc bug 9050
138 
139  template<typename S>
140  Parametrizable::Parameter::Parameter(const S value):
141  std::string(boost::lexical_cast<string>(value))
142  {}
143 
144  // force instantiation of constructors
145  template Parametrizable::ParameterDoc::ParameterDoc<int>(const std::string, const std::string, const int);
146  template Parametrizable::ParameterDoc::ParameterDoc<float>(const std::string, const std::string, const float);
147  template Parametrizable::ParameterDoc::ParameterDoc<double>(const std::string, const std::string, const double);
148  template Parametrizable::ParameterDoc::ParameterDoc<bool>(const std::string, const std::string, const bool);
149  template Parametrizable::ParameterDoc::ParameterDoc<std::string>(const std::string, const std::string, const std::string);
150  template Parametrizable::ParameterDoc::ParameterDoc<const char*>(const std::string, const std::string, const char*);
151 
152  template Parametrizable::ParameterDoc::ParameterDoc<int>(const std::string, const std::string, const int, const int, const int);
153  template Parametrizable::ParameterDoc::ParameterDoc<float>(const std::string, const std::string, const float, const float, const float);
154  template Parametrizable::ParameterDoc::ParameterDoc<double>(const std::string, const std::string, const double, const double, const double);
155 
156  template Parametrizable::Parameter::Parameter<int>(const int);
157  template Parametrizable::Parameter::Parameter<float>(const float);
158  template Parametrizable::Parameter::Parameter<double>(const double);
159  template Parametrizable::Parameter::Parameter<bool>(const bool);
160  template Parametrizable::Parameter::Parameter<std::string>(const std::string);
161 
162  */
163 
165  Parametrizable::Parametrizable():
166  className("unknown")
167  {}
168 
170  Parametrizable::Parametrizable(
171  const std::string& className, const ParametersDoc paramsDoc, const Parameters& params):
172  className(className),
173  parametersDoc(paramsDoc)
174  {
175  // fill current parameters from either values passed as argument, or default value
176  for (BOOST_AUTO(it, parametersDoc.begin()); it != parametersDoc.end(); ++it)
177  {
178  const string& paramName(it->name);
179  Parameters::const_iterator paramIt(params.find(paramName));
180  if (paramIt != params.end())
181  {
182  const string& val(paramIt->second);
183  if (it->comp(val, it->minValue))
184  throw InvalidParameter((boost::format("Value %1% of parameter %2% in class %3% is smaller than minimum admissible value %4%") % val % paramName % className % it->minValue).str());
185  if (it->comp(it->maxValue, val))
186  throw InvalidParameter((boost::format("Value %1% of parameter %2% in class %3% is larger than maximum admissible value %4%") % val % paramName % className % it->maxValue).str());
187  parameters[paramName] = val;
188  }
189  else
190  parameters[paramName] = it->defaultValue;
191  }
192  }
193 
195  Parametrizable::~Parametrizable()
196  {}
197 
199  std::string Parametrizable::getParamValueString(const std::string& paramName)
200  {
201  Parameters::const_iterator paramIt(parameters.find(paramName));
202  if (paramIt == parameters.end())
203  throw InvalidParameter((boost::format("Parameter %1% does not exist in class %2%") % paramName % className).str());
204  // TODO: use string distance to propose close one, copy/paste code from Aseba
205  this->parametersUsed.insert(paramIt->first);
206  return paramIt->second;
207  }
208 } // namespace PointMatcherSupport
PointMatcherSupport::Parametrizable::operator<<
friend std::ostream & operator<<(std::ostream &o, const Parametrizable &p)
Dump the documentation of this object to a stream.
Definition: Parametrizable.cpp:62
PointMatcherSupport::Parametrizable::Parametrizable
Parametrizable()
Construct a documentation of parameters from a description in the source.
Definition: Parametrizable.cpp:165
PointMatcherSupport::Parametrizable::parametersDoc
const ParametersDoc parametersDoc
documentation of parameters
Definition: Parametrizable.h:160
PointMatcherSupport::Parametrizable::ParameterDoc::doc
std::string doc
short documentation
Definition: Parametrizable.h:120
PointMatcherSupport::Parametrizable::parametersUsed
ParametersUsed parametersUsed
parameters whose value has actually been read
Definition: Parametrizable.h:162
Parametrizable.h
testing::internal::string
::std::string string
Definition: gtest.h:1979
PointMatcherSupport::Parametrizable::LexicalComparison
bool(* LexicalComparison)(std::string a, std::string b)
A function that returns whether a is smaller than b.
Definition: Parametrizable.h:107
PointMatcherSupport::Parametrizable::ParametersDoc
std::vector< ParameterDoc > ParametersDoc
The documentation of all parameters.
Definition: Parametrizable.h:144
PointMatcherSupport::Parametrizable::ParameterDoc::defaultValue
std::string defaultValue
default value
Definition: Parametrizable.h:121
PointMatcherSupport::Parametrizable::parameters
Parameters parameters
parameters with their values encoded in string
Definition: Parametrizable.h:161
PointMatcherSupport::Parametrizable::ParameterDoc::ParameterDoc
ParameterDoc(const std::string &name, const std::string &doc, const std::string &defaultValue, const std::string &minValue, const std::string &maxValue, LexicalComparison comp)
Construct a parameter documentation with bounds.
Definition: Parametrizable.cpp:112
PointMatcherSupport::Parametrizable::ParameterDoc::maxValue
std::string maxValue
if bounds are checked, maxmimu value
Definition: Parametrizable.h:123
PointMatcherSupport::Parametrizable::ParameterDoc::name
std::string name
name
Definition: Parametrizable.h:119
PointMatcherSupport::Parametrizable::InvalidParameter
An exception thrown when one tries to fetch the value of an unexisting parameter.
Definition: Parametrizable.h:101
PointMatcherSupport::Parametrizable::getParamValueString
std::string getParamValueString(const std::string &paramName)
Get the value of a parameter, as a string.
Definition: Parametrizable.cpp:199
PointMatcherSupport::Parametrizable::~Parametrizable
virtual ~Parametrizable()
Virtual destructor, do nothing.
Definition: Parametrizable.cpp:195
PointMatcherSupport::Parametrizable::InvalidParameter::InvalidParameter
InvalidParameter(const std::string &reason)
Construct an invalid-parameter exception.
Definition: Parametrizable.cpp:46
PointMatcherSupport::Parametrizable
The superclass of classes that are constructed using generic parameters. This class provides the para...
Definition: Parametrizable.h:98
std
PointMatcherSupport::Parametrizable::ParameterDoc
The documentation of a parameter.
Definition: Parametrizable.h:117
PointMatcherSupport
Functions and classes that are not dependant on scalar type are defined in this namespace.
Definition: Bibliography.cpp:45
PointMatcherSupport::Parametrizable::ParameterDoc::minValue
std::string minValue
if bounds are checked, minimum value
Definition: Parametrizable.h:122
PointMatcherSupport::Parametrizable::className
const std::string className
name of the class
Definition: Parametrizable.h:159
PointMatcherSupport::Parametrizable::Parameters
std::map< std::string, Parameter > Parameters
Parameters stored as a map of string->string.
Definition: Parametrizable.h:156
PointMatcherSupport::FalseLexicalComparison
bool FalseLexicalComparison(std::string, std::string)
Return always false.
Definition: Parametrizable.cpp:77

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