articlenumber.cpp

   1 /* $Id$
   2
   3 This file is part of R²C²
   4 Copyright © 2010  Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <msp/strings/utils.h>
   9 #include "articlenumber.h"
  10
  11 using namespace std;
  12 using namespace Msp;
  13
  14 namespace R2C2 {
  15
  16 ArticleNumber::ArticleNumber(unsigned n)
  17 {
  18         Part part;
  19         part.number = n;
  20         part.letter = 0;
  21         parts.push_back(part);
  22 }
  23
  24 ArticleNumber::ArticleNumber(const string &s)
  25 {
  26         vector<string> sparts = split(s, '-');
  27         for(vector<string>::iterator i=sparts.begin(); i!=sparts.end(); ++i)
  28         {
  29                 if(i->empty())
  30                         throw InvalidParameterValue("Malformed article number");
  31
  32                 unsigned nondigit = i->size();
  33                 for(unsigned j=0; j<i->size(); ++j)
  34                         if(!isdigit((*i)[j]))
  35                         {
  36                                 nondigit = j;
  37                                 break;
  38                         }
  39
  40                 if(!nondigit || nondigit<i->size()-1)
  41                         throw InvalidParameterValue("Malformed article number");
  42
  43                 Part part;
  44                 part.number = lexical_cast<unsigned>(i->substr(0, nondigit));
  45                 part.letter = nondigit<i->size() ? (*i)[nondigit] : 0;
  46                 parts.push_back(part);
  47         }
  48 }
  49
  50 string ArticleNumber::str() const
  51 {
  52         string result;
  53         for(vector<Part>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
  54         {
  55                 if(!result.empty())
  56                         result += '-';
  57
  58                 result += lexical_cast(i->number);
  59                 if(i->letter)
  60                         result += i->letter;
  61         }
  62
  63         return result;
  64 }
  65
  66 bool ArticleNumber::operator<(const ArticleNumber &other) const
  67 {
  68         return parts<other.parts;
  69 }
  70
  71
  72 bool ArticleNumber::Part::operator<(const Part &other) const
  73 {
  74         if(number!=other.number)
  75                 return number<other.number;
  76         return letter<other.letter;
  77 }
  78
  79
  80 void operator>>(const LexicalConverter &conv, ArticleNumber &art_nr)
  81 {
  82         art_nr = ArticleNumber(conv.get());
  83 }
  84
  85 void operator<<(LexicalConverter &conv, const ArticleNumber &art_nr)
  86 {
  87         conv.result(art_nr.str());
  88 }
  89
  90 } // namespace R2C2