Provide eoParser::setORcreateParam to set a paramter in the parser to

a specific value.
This commit is contained in:
kuepper 2005-08-29 07:50:50 +00:00
commit f0fd15f20c
3 changed files with 421 additions and 399 deletions

View file

@ -3,7 +3,7 @@
//-----------------------------------------------------------------------------
// eoParser.cpp
// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000
/*
/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
@ -31,7 +31,7 @@
#include <stdexcept>
#include <algorithm>
#include <fstream>
#include <iomanip>
#include <iomanip>
#include <utils/compatibility.h>
@ -49,8 +49,8 @@ std::ostream& printSectionHeader(std::ostream& os, std::string section)
if (section == "")
section = "General";
os << '\n' << setw(10) << "###### " << setw(20) << section << setw(10) << " ######\n";
return os;
os << '\n' << setw(10) << "###### " << setw(20) << section << setw(10) << " ######\n";
return os;
}
eoParameterLoader::~eoParameterLoader()
@ -62,102 +62,62 @@ eoParameterLoader::~eoParameterLoader()
}
eoParser::eoParser ( unsigned _argc, char **_argv , string _programDescription, string _lFileParamName, char _shortHand) :
programName( _argv[0]),
programDescription( _programDescription),
eoParser::eoParser ( unsigned _argc, char **_argv , string _programDescription,
string _lFileParamName, char _shortHand) :
programName(_argv[0]),
programDescription( _programDescription),
needHelp(false, "help", "Prints this message", 'h'),
stopOnUnknownParam(true, "stopOnUnknownParam", "Stop if unkown param entered", '\0')
{
// need to process the param file first
// need to process the param file first
// if we want command-line to have highest priority
unsigned i;
unsigned i;
for (i = 1; i < _argc; ++i)
{
if (_argv[i][0] == '@')
{ // read response file
{
if(_argv[i][0] == '@')
{ // read response file
char *pts = _argv[i]+1; // yes a char*, sorry :-)
ifstream ifs (pts);
ifs.peek(); // check if it exists
if (!ifs)
{
string msg = (string)("Could not open response file: ") + pts;
{
string msg = string("Could not open response file: ") + pts;
throw runtime_error(msg);
}
}
// read - will be overwritten by command-line
readFrom(ifs);
break; // stop reading command line args for '@'
}
}
}
}
// now read arguments on command-line
#ifdef HAVE_SSTREAM
stringstream stream;
#else
strstream stream;
#endif
for (i = 1; i < _argc; ++i)
{
stream << _argv[i] << '\n';
}
readFrom(stream);
processParam(needHelp);
processParam(stopOnUnknownParam);
}
/**
* get a handle on a param from its longName
*
* if not found, returns 0 (null pointer :-)
*
* Not very clean (requires hard-coding of the long name twice!)
* but very useful in many occasions...
*/
eoParam* eoParser::getParamWithLongName(std::string _name)
eoParam * eoParser::getParamWithLongName(const std::string& _name) const
{
typedef std::multimap<std::string, eoParam*> MultiMapType;
typedef MultiMapType::const_iterator It;
for (It p = params.begin(); p != params.end(); ++p)
{
if (p->second->longName() == prefix+_name)
return p->second;
}
return 0;
typedef std::multimap<std::string, eoParam*> MultiMapType;
typedef MultiMapType::const_iterator iter;
std::string search(prefix+_name);
for(iter p = params.begin(); p != params.end(); ++p)
if(p->second->longName() == search)
return p->second;
return 0;
}
/** it seems finally that the easiest use of the above method is
through the following, whose interface is similar to that of the
widely-used createParam
For some (probably very stupid) reason, I failed to put it in
the .cpp. Any hint???
*/
/*
template <class ValueType>
eoValueParam<ValueType>& eoParser::getORcreateParam (
ValueType _defaultValue,
std::string _longName,
std::string _description,
char _shortHand,
std::string _section,
bool _required)
{
eoParam* ptParam = getParamWithLongName(_longName);
if (ptParam) { // found
eoValueParam<ValueType>* ptTypedParam =
dynamic_cast<eoValueParam<ValueType>*>(ptParam);
return *ptTypedParam;
}
// not found -> create it
return createParam (_defaultValue, _longName, _description,
_shortHand, _section, _required);
}
*/
void eoParser::processParam(eoParam& param, std::string section)
{
@ -210,7 +170,7 @@ pair<bool, string> eoParser::getValue(eoParam& _param) const
result.second = it->second;
result.first = true;
return result;
}
}
// else (TODO: check environment, just long names)
return result;
@ -256,7 +216,7 @@ void eoParser::readFrom(istream& is)
{
string::iterator equalLocation = find(str.begin() + 2, str.end(), '=');
string value;
if (equalLocation == str.end())
{ // TODO: it should be the next string
value = "";
@ -306,7 +266,7 @@ void eoParser::printOn(ostream& os) const
printSectionHeader(os, section);
//print every param with its value
for (; p != params.end(); ++p)
for (; p != params.end(); ++p)
{
std::string newSection = p->first;
@ -315,14 +275,14 @@ void eoParser::printOn(ostream& os) const
section = newSection;
printSectionHeader(os, section);
}
eoParam* param = p->second;
if (!isItThere(*param)) // comment out the ones not set by the user
os << "# ";
string str = "--" + param->longName() + "=" + param->getValue();
os.setf(ios_base::left, ios_base::adjustfield);
os << setw(40) << str;
@ -330,7 +290,7 @@ void eoParser::printOn(ostream& os) const
if (param->shortName())
os << '-' << param->shortName() << " : ";
os << param->description();
if (param->required())
{
os << " REQUIRED ";
@ -340,7 +300,7 @@ void eoParser::printOn(ostream& os) const
}
}
void eoParser::printHelp(ostream& os)
void eoParser::printHelp(ostream& os)
{
if (needHelp.value() == false && !messages.empty())
{
@ -355,7 +315,7 @@ void eoParser::printHelp(ostream& os)
// print the usage when calling the program from the command line
os << "Usage: "<< programName<<" [Options]\n";
// only short usage!
os << "Options of the form \"-f[=Value]\" or \"--Name[=value]\"" << endl;
os << "Options of the form \"-f[=Value]\" or \"--Name[=value]\"" << endl;
os << "Where:"<<endl;
@ -368,7 +328,7 @@ void eoParser::printHelp(ostream& os)
printSectionHeader(os, section);
//print every param with its value
for (; p != params.end(); ++p)
for (; p != params.end(); ++p)
{
std::string newSection = p->first;
@ -383,7 +343,7 @@ void eoParser::printHelp(ostream& os)
os << "--" <<p->second->longName() <<":\t"
<< p->second->description() ;
os << "\n" << setw(20) << ( (p->second->required())?"Required":"Optional" );
os <<". By default: "<<p->second->defValue() << '\n';
} // for p
@ -393,10 +353,10 @@ void eoParser::printHelp(ostream& os)
}
bool eoParser::userNeedsHelp(void)
bool eoParser::userNeedsHelp(void)
{
/*
check whether there are long or short names entered
/*
check whether there are long or short names entered
without a corresponding parameter
*/
// first, check if we want to check that !
@ -445,18 +405,18 @@ bool eoParser::userNeedsHelp(void)
}
}
}
return needHelp.value() || !messages.empty();
return needHelp.value() || !messages.empty();
}
///////////////// I put these here at the moment
ostream & operator<<(ostream & _os, const eoParamParamType & _rate)
{
{
_rate.printOn(_os);
return _os;
}
istream & operator>>(istream & _is, eoParamParamType & _rate)
{
{
_rate.readFrom(_is);
return _is;
}