Add UltiSnips snippets

UltiSnips/html_reveal.js.snippets

@@ -0,0 +1,56 @@
+# snippet completion function
+global !p
+def complete(t, opts):
+	if t:
+			opts = [m[len(t):] for m in opts if m.startswith(t)]
+	if len(opts) == 1:
+			return opts[0]
+	elif len(opts) == 0:
+			return "-error"
+	return '(' + '|'.join(opts) + ')'
+endglobal
+
+# shared fragment style completion list
+global !p
+def fragments():
+	return ['grow', 'shrink', 'fade-in', 'fade-out', 'current-visible',
+			'highlight-current-blue', 'highlight-red', 'highlight-green',
+			'highlight-blue']
+endglobal
+
+# reveal.js html snippets
+snippet frag "reveal.js fragment class" i
+fragment $1`!p snip.rv=complete(t[1], fragments())`
+endsnippet
+
+snippet bg "reveal.js data-background"
+data-background="$1"$0
+endsnippet
+
+snippet trans "reveal.js data-transition"
+data-transition="$1`!p snip.rv=complete(t[1], ['slide', 'none', 'fade',
+											   'convex', 'concave', 'zoom'])`"
+endsnippet
+
+snippet index "reveal.js data-fragment-index"
+data-fragment-index="$1"$0
+endsnippet
+
+snippet notes "reveal.js speaker notes"
+<aside class="notes">
+	$0
+</aside>
+endsnippet
+
+# reveal.js markdown section snippets
+snippet mdsec "Reveal.js markdown section"
+<section data-markdown>
+	<script type="text/template">
+$0
+	</script>
+</section>
+endsnippet
+
+snippet mdelem "reveal.js markdown element"
+<!-- .element: class="$1"$2 -->$0
+endsnippet