Class: Redcarpet::Render::HTML_TOC

Inherits:
Base
  • Object
show all
Defined in:
ext/redcarpet/rc_render.c

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Object


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# File 'ext/redcarpet/rc_render.c', line 491

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;
}