external_libraries/yaml-cpp-0.3.0/src/tag.cpp

   1 #include "tag.h"
   2 #include "directives.h"
   3 #include "token.h"
   4 #include <cassert>
   5 #include <stdexcept>
   6
   7 namespace YAML
   8 {
   9         Tag::Tag(const Token& token): type(static_cast<TYPE>(token.data))
  10         {
  11                 switch(type) {
  12                         case VERBATIM:
  13                                 value = token.value;
  14                                 break;
  15                         case PRIMARY_HANDLE:
  16                                 value = token.value;
  17                                 break;
  18                         case SECONDARY_HANDLE:
  19                                 value = token.value;
  20                                 break;
  21                         case NAMED_HANDLE:
  22                                 handle = token.value;
  23                                 value = token.params[0];
  24                                 break;
  25                         case NON_SPECIFIC:
  26                                 break;
  27                         default:
  28                                 assert(false);
  29                 }
  30         }
  31
  32         const std::string Tag::Translate(const Directives& directives)
  33         {
  34                 switch(type) {
  35                         case VERBATIM:
  36                                 return value;
  37                         case PRIMARY_HANDLE:
  38                                 return directives.TranslateTagHandle("!") + value;
  39                         case SECONDARY_HANDLE:
  40                                 return directives.TranslateTagHandle("!!") + value;
  41                         case NAMED_HANDLE:
  42                                 return directives.TranslateTagHandle("!" + handle + "!") + value;
  43                         case NON_SPECIFIC:
  44                                 // TODO:
  45                                 return "!";
  46                         default:
  47                                 assert(false);
  48                 }
  49                 throw std::runtime_error("yaml-cpp: internal error, bad tag type");
  50         }
  51 }
  52