IdentifierField.h File Reference

#include <Identifier/ExpandedIdentifier.h>
#include <vector>
#include <string>
#include <stdexcept>
#include <iosfwd>
#include <limits>

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Classes
class	IdentifierField
	This is the individual specification for the range of one ExpandedIdentifier IdentifierField. More...

Functions
std::ostream &	operator<< (std::ostream &out, const IdentifierField &c)
std::istream &	operator>> (std::istream &in, IdentifierField &c)

Function Documentation

operator<<()

std::ostream& operator<<	(	std::ostream &	out,
		const IdentifierField &	c
	)

Definition at line 734 of file IdentifierField.cxx.

                                                       {
  out<<std::string(c);
  return out;
}

operator>>()

std::istream& operator>>	(	std::istream &	in,
		IdentifierField &	c
	)

Definition at line 742 of file IdentifierField.cxx.

                                                  {
  idf.clear();
  while (std::isspace(is.peek())){is.ignore();}
  char c = is.peek();
  if (c =='*'){
    is.ignore();
    //do nothing; the 'clear' set idf to unbounded
  } else if (c==':'){ //upper bound
    is.ignore();
    idf.set_maximum(parseStreamDigits(is));
  } else if (isDigit(c)){
    if (c =='+') is.ignore();
    int v = parseStreamDigits(is);//i is incremented
    c = is.peek();
    //possible: lowerbound, bound, list
    if (c == ','){ //found comma, so definitely list
      is.ignore();
      std::vector<int> vec(1,v);
      const auto  & restOfList = parseStreamList(is);
      vec.insert(vec.end(), restOfList.begin(), restOfList.end());
      idf.set(vec);
    } else if (c == ':'){ //bounded, or lower bound
      is.ignore();
      c=is.peek(); //peek char after the colon
      if (isDigit(c)){ //bounded
        int v1 = parseStreamDigits(is);
        idf.set(v,v1);
      } else { //lower bound
        idf.set_minimum(v);
      }
    } else { //remaining alternative: single number
      idf.add_value(v);
    }
  } else {
    std::string msg{"Stream extraction for IdentifierField: "};
    std::string remains;
    is >> remains;
    msg+=remains;
    throw std::invalid_argument(msg);
  }
  return is;
}