src/lua/subtitles.cpp

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