class Redcarpet::Render::HTML_TOC

Public Class Methods

new(p1 = v1) click to toggle source
static VALUE rb_redcarpet_htmltoc_init(int argc, VALUE *argv, VALUE self)
{
        struct rb_redcarpet_rndr *rndr;
        unsigned int render_flags = HTML_TOC;
        VALUE hash, nesting_level = Qnil;

        Data_Get_Struct(self, struct rb_redcarpet_rndr, rndr);

        if (rb_scan_args(argc, argv, "01", &hash) == 1) {
                Check_Type(hash, T_HASH);

                /* Give access to the passed options through `@options` */
                rb_iv_set(self, "@options", hash);

                /* escape_html */
                if (rb_hash_aref(hash, CSTR2SYM("escape_html")) == Qtrue)
                        render_flags |= HTML_ESCAPE;

                /* Nesting level */
                nesting_level = rb_hash_aref(hash, CSTR2SYM("nesting_level"));
        }

        sdhtml_toc_renderer(&rndr->callbacks, (struct html_renderopt *)&rndr->options.html, render_flags);
        rb_redcarpet__overload(self, rb_cRenderHTML_TOC);

        /* Check whether we are dealing with a Range object by
           checking whether the object responds to min and max */
        if (rb_respond_to(nesting_level, rb_intern("min")) &&
            rb_respond_to(nesting_level, rb_intern("max"))) {
                int min = NUM2INT(rb_funcall(nesting_level, rb_intern("min"), 0));
                int max = NUM2INT(rb_funcall(nesting_level, rb_intern("max"), 0));

                rndr->options.html.toc_data.nesting_bounds[0] = min;
                rndr->options.html.toc_data.nesting_bounds[1] = max;
        } else if (FIXNUM_P(nesting_level)) {
                rndr->options.html.toc_data.nesting_bounds[0] = 1;
                rndr->options.html.toc_data.nesting_bounds[1] = NUM2INT(nesting_level);
        } else {
                rndr->options.html.toc_data.nesting_bounds[0] = 1;
                rndr->options.html.toc_data.nesting_bounds[1] = 6;
        }

        return Qnil;
}