src/plugins/litehtml_viewer/litehtml/string_id.cpp

   1 #include "html.h"
   2 #include "string_id.h"
   3 #include <assert.h>
   4
   5 #ifndef LITEHTML_NO_THREADS
   6         #include <mutex>
   7         static std::mutex mutex;
   8         #define lock_guard std::lock_guard<std::mutex> lock(mutex)
   9 #else
  10         #define lock_guard
  11 #endif
  12
  13 namespace litehtml
  14 {
  15
  16 static std::map<string, string_id> map;
  17 static std::vector<string> array;
  18
  19 static int init()
  20 {
  21         string_vector names;
  22         split_string(initial_string_ids, names, ",");
  23         for (auto& name : names)
  24         {
  25                 trim(name);
  26                 assert(name[0] == '_' && name.back() == '_');
  27                 name = name.substr(1, name.size() - 2);                         // _border_color_ -> border_color
  28                 std::replace(name.begin(), name.end(), '_', '-');       // border_color   -> border-color
  29                 _id(name);  // this will create association _border_color_ <-> "border-color"
  30         }
  31         return 0;
  32 }
  33 static int dummy = init();
  34
  35 const string_id empty_id = _id("");
  36 const string_id star_id = _id("*");
  37
  38 string_id _id(const string& str)
  39 {
  40         lock_guard;
  41         auto it = map.find(str);
  42         if (it != map.end()) return it->second;
  43         // else: str not found, add it to the array and the map
  44         array.push_back(str);
  45         return map[str] = (string_id)(array.size() - 1);
  46 }
  47
  48 const string& _s(string_id id)
  49 {
  50         lock_guard;
  51         return array[id];
  52 }
  53
  54 } // namespace litehtml