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[lua] expose reload() and goto_url() to lua api

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Two api methods for lua scripting has been added.

`reload()` allows to refresh the document without triggering a new
html request. This commits expose that existing internal function to the
lua api.

One example where it is useful : making a lua hook that allows to edit a
local file we're browsing and see the change without having to perform a
full reload (thus losing the scrolling position). Or anything else that
allows to interactively modify the currently loaded document.

`goto_url()` allows to navigate to given url long after the page has been
loaded (so follow_url_hooks can't be used).

Example where it's useful : binding a key to load the latest archive.org
snapshot for current page (especially useful when using tor and being
constantly harassed by cloudflare).
This commit is contained in:
Olivier El Mekki 2021-11-13 13:20:53 +01:00
parent 1342d7510a
commit edaf66fc60
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GPG Key ID: 16889BA35BFB1E68
1 changed files with 23 additions and 0 deletions
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23
src/scripting/lua/core.c
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@ -651,6 +651,27 @@ lua_error:
/* End of set/get option */
static int
l_reload(LS)
{
reload(lua_ses, CACHE_MODE_INCREMENT);
cls_redraw_all_terminals();
return 1;
}
static int
l_goto_url(LS)
{
if (lua_isstring(S, 1)) {
goto_url(lua_ses, (unsigned char *) lua_tostring(S, 1));
lua_pushnumber(S, 0);
return 1;
}
lua_pushnil(L);
return 1;
}
int
eval_function(LS, int num_args, int num_results)
{
@ -711,6 +732,8 @@ init_lua(struct module *module)
lua_register(L, "xdialog", l_xdialog);
lua_register(L, "set_option", l_set_option);
lua_register(L, "get_option", l_get_option);
lua_register(L, "reload", l_reload);
lua_register(L, "goto_url", l_goto_url);
lua_pushstring(L, elinks_home ? elinks_home
: (char *) CONFDIR);