source/pattern.cpp

   1 #include <stdexcept>
   2 #include "pattern.h"
   3
   4 using namespace std;
   5
   6 Pattern::Pattern(const string &pat)
   7 {
   8         string::size_type percent = pat.find('%');
   9         if(percent==string::npos)
  10                 throw invalid_argument("No percent sign in pattern");
  11         prefix = pat.substr(0, percent);
  12         suffix = pat.substr(percent+1);
  13 }
  14
  15 string Pattern::apply(const string &body) const
  16 {
  17         return prefix+body+suffix;
  18 }
  19
  20 list<string> Pattern::apply_list(const list<Pattern> &patterns, const string &body)
  21 {
  22         list<string> result;
  23         for(list<Pattern>::const_iterator i=patterns.begin(); i!=patterns.end(); ++i)
  24                 result.push_back(i->apply(body));
  25         return result;
  26 }