From c94da068c1d10b9de282396355565ec7214d4fa3 Mon Sep 17 00:00:00 2001 From: Michael Orlitzky Date: Tue, 17 Oct 2023 10:29:52 -0400 Subject: [PATCH] src/svgtiny_css.c: implement set_libcss_node_data() select handler --- src/svgtiny_css.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/src/svgtiny_css.c b/src/svgtiny_css.c index 4e42888..ce31ef2 100644 --- a/src/svgtiny_css.c +++ b/src/svgtiny_css.c @@ -59,6 +59,8 @@ static css_error node_is_lang(void *pw, void *node, lwc_string *lang, bool *is_lang); static css_error ua_default_for_property(void *pw, uint32_t property, css_hint *hint); +static css_error set_libcss_node_data(void *pw, void *node, + void *libcss_node_data); /** @@ -1787,3 +1789,39 @@ css_error ua_default_for_property(void *pw, uint32_t property, UNUSED(hint); return CSS_INVALID; } + + +/** + * Store libcss data on a node + * + * This is part of the libcss select handler API that we need to + * implement. It is essentially a thin dom_node_set_user_data() + * wrapper. + * + * \param pw Pointer to the current SVG parser state + * \param node Libdom SVG node on which to store the data + * \param libcss_node_data Pointer to the data to store + * + * \return Always returns CSS_OK + */ +css_error set_libcss_node_data(void *pw, void *node, + void *libcss_node_data) +{ + struct svgtiny_parse_state *state; + void *old_data; + + /* A unique "userdata key" (a string) is used to identify this + * data. The fourth parameter (NULL) is a "user handler + * function." We will eventually have one, but for now we set + * it to NULL to avoid a circular reference mess that would + * break the build temporarily. */ + state = (struct svgtiny_parse_state *)pw; + dom_node_set_user_data((dom_node *)node, + state->interned_userdata_key, + libcss_node_data, + NULL, + &old_data); + + /* dom_node_set_user_data() always returns DOM_NO_ERR */ + return CSS_OK; +} -- 2.44.2