src/lua/subtitles.cpp

   1 #include "lua/internal.hpp"
   2 #include "core/subtitles.hpp"
   3
   4 namespace
   5 {
   6         function_ptr_luafun enumerate(LS, "subtitle.byindex", [](lua_state& L, const std::string& fname) -> int {
   7                 uint64_t n = L.get_numeric_argument<uint64_t>(1, fname.c_str());
   8                 uint64_t j = 0;
   9                 for(auto i : get_subtitles()) {
  10                         if(j == n) {
  11                                 L.pushnumber(i.first);
  12                                 L.pushnumber(i.second);
  13                                 return 2;
  14                         }
  15                         j++;
  16                 }
  17                 return 0;
  18         });
  19
  20         function_ptr_luafun sget(LS, "subtitle.get", [](lua_state& L, const std::string& fname) -> int {
  21                 uint64_t frame = L.get_numeric_argument<uint64_t>(1, fname.c_str());
  22                 uint64_t length = L.get_numeric_argument<uint64_t>(2, fname.c_str());
  23                 std::string x = get_subtitle_for(frame, length);
  24                 L.pushstring(x.c_str());
  25                 return 1;
  26         });
  27
  28         function_ptr_luafun sset(LS, "subtitle.set", [](lua_state& L, const std::string& fname) -> int {
  29                 uint64_t frame = L.get_numeric_argument<uint64_t>(1, fname.c_str());
  30                 uint64_t length = L.get_numeric_argument<uint64_t>(2, fname.c_str());
  31                 std::string text = L.get_string(3, fname.c_str());
  32                 set_subtitle_for(frame, length, text);
  33                 return 0;
  34         });
  35
  36         function_ptr_luafun sdel(LS, "subtitle.delete", [](lua_state& L, const std::string& fname) -> int {
  37                 uint64_t frame = L.get_numeric_argument<uint64_t>(1, fname.c_str());
  38                 uint64_t length = L.get_numeric_argument<uint64_t>(2, fname.c_str());
  39                 set_subtitle_for(frame, length, "");
  40                 return 0;
  41         });
  42 }
  43