#include "svgtiny.h"
#include "svgtiny_internal.h"
+static css_error node_name(void *pw, void *node, css_qname *qname);
+static css_error node_classes(void *pw, void *node,
+ lwc_string ***classes, uint32_t *n_classes);
+
+
/**
* Resolve a relative URL to an absolute one by doing nothing. This is
* the simplest possible implementation of a URL resolver, needed for
return css_stylesheet_create(¶ms, sheet);
}
+
+
+/**************************/
+/* libcss select handlers */
+/**************************/
+/*
+ * From here on we implement the "select handler "API defined in
+ * libcss's include/libcss/select.h and discussed briefly in its
+ * docs/API document.
+ */
+
+
+/**
+ * Retrieve the given node's name
+ *
+ * \param pw Pointer to the current SVG parser state
+ * \param node Libdom SVG node
+ * \param qname Address at which to store the node name
+ *
+ * \return CSS_OK on success, or CSS_NOMEM if anything goes wrong
+ */
+css_error node_name(void *pw, void *node, css_qname *qname)
+{
+ dom_string *name;
+ dom_exception err;
+ struct svgtiny_parse_state *state;
+
+ err = dom_node_get_node_name((dom_node *)node, &name);
+ if (err != DOM_NO_ERR) {
+ return CSS_NOMEM;
+ }
+
+ state = (struct svgtiny_parse_state *)pw;
+ qname->ns = lwc_string_ref(state->interned_svg_xmlns);
+
+ err = dom_string_intern(name, &qname->name);
+ if (err != DOM_NO_ERR) {
+ dom_string_unref(name);
+ return CSS_NOMEM;
+ }
+
+ dom_string_unref(name);
+
+ return CSS_OK;
+}
+
+
+/**
+ * Retrieve the given node's classes
+ *
+ * \param pw Pointer to the current SVG parser state
+ * \param node Libdom SVG node
+ * \param classes Address at which to store the class name array
+ * \param n_classes Address at which to store the length of the class
+ * name array
+ *
+ * \return CSS_OK on success, or CSS_NOMEM if anything goes wrong
+ *
+ * \note CSS_NOMEM is not possible in practice as of libdom-0.4.1,
+ * because the underlying libdom function never fails
+ */
+css_error node_classes(void *pw, void *node,
+ lwc_string ***classes, uint32_t *n_classes)
+{
+ UNUSED(pw);
+ dom_exception err;
+
+ err = dom_element_get_classes((dom_node *)node, classes, n_classes);
+
+ /* The implementation does not do it, but the documentation
+ for dom_element_get_classes() says that a DOM_NO_MEM_ERR is
+ possible here, so we handle it to be on the safe side. */
+ if (err != DOM_NO_ERR) {
+ return CSS_NOMEM;
+ }
+
+ return CSS_OK;
+}