UriParamsIter.init_

Initializes an attribute/value pair iterator.

The iterator keeps pointers to the params and separators arguments, those variables must thus outlive the iterator and not be modified during the iteration.

If G_URI_PARAMS_WWW_FORM is passed in flags, + characters in the param string will be replaced with spaces in the output. For example, foo=bar+baz will give attribute foo with value bar baz. This is commonly used on the web (the https and http schemes only), but is deprecated in favour of the equivalent of encoding spaces as `20`.

Unlike with glib.uri.Uri.parseParams, G_URI_PARAMS_CASE_INSENSITIVE has no effect if passed to flags for glib.uri_params_iter.UriParamsIter.init_. The caller is responsible for doing their own case-insensitive comparisons.

GUriParamsIter iter;
GError *error = NULL;
gchar *unowned_attr, *unowned_value;

g_uri_params_iter_init (&iter, "foo=bar&baz=bar&Foo=frob&baz=bar2", -1, "&", G_URI_PARAMS_NONE);
while (g_uri_params_iter_next (&iter, &unowned_attr, &unowned_value, &error))
  {
    g_autofree gchar *attr = g_steal_pointer (&unowned_attr);
    g_autofree gchar *value = g_steal_pointer (&unowned_value);
    // do something with attr and value; this code will be called 4 times
    // for the params string in this example: once with attr=foo and value=bar,
    // then with baz/bar, then Foo/frob, then baz/bar2.
  }
if (error)
  // handle parsing error