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[FEAT] substr

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JailDoctor
2021-12-13 14:52:38 +01:00
parent 0421f7f154
commit 788c5d6c6e
3 changed files with 17 additions and 2 deletions
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8
lua.cpp
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@@ -183,6 +183,13 @@ extern "C" {
lua_pushinteger(L, strlen(str));
return 1;
}
static int cpp_substr(lua_State *L) {
const char* str = luaL_checkstring(L, 1);
int start = luaL_checknumber(L, 2);
int length = luaL_checknumber(L, 3);
lua_pushstring(L, substr(str, start, length));
return 1;
}
static int cpp_setchar(lua_State *L) {
int index = luaL_checkinteger(L, 1);
@@ -346,6 +353,7 @@ void lua_init(const char* filename, const bool start_playing) {
lua_pushcfunction(L,cpp_ascii); lua_setglobal(L, "ascii");
lua_pushcfunction(L,cpp_chr); lua_setglobal(L, "chr");
lua_pushcfunction(L,cpp_strlen); lua_setglobal(L, "strlen");
lua_pushcfunction(L,cpp_substr); lua_setglobal(L, "substr");
lua_pushcfunction(L,cpp_setchar); lua_setglobal(L, "setchar");
lua_pushcfunction(L,cpp_peek); lua_setglobal(L, "peek");