Fix #776

Author: halx99

extensions/scripting/lua-bindings/manual/network/lua_downloader.cpp

@@ -22,6 +22,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 ****************************************************************************/
 #include "lua_downloader.h"
+#include "scripting/lua-bindings/manual/CCLuaValue.h"
 
 #include "network/CCDownloader.h"
 #include <iostream>
@@ -171,22 +172,35 @@ static int lua_downloader_createDownloadFileTask(lua_State* L)
 {
     int argc                = lua_gettop(L) - 1;
     Downloader* d           = checkDownloader(L);
-    std::string url         = "";
-    std::string storagePath = "";
-    std::string identifier  = "";
+    std::string_view url         = ""sv;
+    std::string_view storagePath = ""sv;
+    std::string_view identifier  = ""sv;
 
     if (argc < 2)
     {
         luaL_error(L, "ax.Downloader.createDownloadFileTask parameter error!");
         return 0;
     }
 
-    url         = lua_tostring(L, 2);
-    storagePath = lua_tostring(L, 3);
+    url         = axislua_tosv(L, 2);
+    storagePath = axislua_tosv(L, 3);
     if (argc > 2)
-        identifier = lua_tostring(L, 4);
+        identifier = axislua_tosv(L, 4);
 
-    auto tsk = d->createDownloadFileTask(url, storagePath, identifier);
+    std::string_view md5checksum = ""sv;
+    std::string_view cacertPath  = ""sv;
+    bool background = false;
+
+    if (argc > 3)
+        md5checksum = axislua_tosv(L, 5);
+
+    if (argc > 4)
+        background = lua_toboolean(L, 6);
+
+    if (argc > 5)
+        cacertPath = axislua_tosv(L, 7);
+
+    auto tsk = d->createDownloadFileTask(url, storagePath, identifier, md5checksum, background, cacertPath);
 
     pushTaskTable(L, *tsk);
     return 1;