Added Mustache adapter

README.md

@@ -8,9 +8,10 @@ Simplify developers' lives by abstracting template rendering for multiple templa
 
 ## Supported out of the box
 
-| Language | File extensions | Required libraries |
+| Language | File extensions | Required libraries | Maintainer |
-| -------- | --------------- | ------------------ |
+| -------- | --------------- | ------------------ | ---------- |
-| ECR      | .ecr            | none (part of the stdlib) |
+| ECR      | .ecr            | none (part of the stdlib) | |
+| Mustache | .mustache       | [crustache](https://github.com/MakeNowJust/crustache) | [@MakeNowJust](https://github.com/MakeNowJust) |
 
 See also:
 [Registering your own template engine](#registering-your-own-template-engine).
@@ -92,4 +93,4 @@ Please contribute your own "adapter" if you create a template language for Cryst
 ## Contributors
 
 - [jeromegn](https://github.com/jeromegn) Jerome Gravel-Niquet - creator, maintainer
-- [waterlink](https://github.com/waterlink) Oleksii Fedorov
+- [waterlink](https://github.com/waterlink) Oleksii Fedorov

shard.yml

@@ -4,4 +4,8 @@ version: 0.1.0
 authors:
   - Jerome Gravel-Niquet <jeromegn@gmail.com>
 
-license: MIT
+license: MIT
+
+development_dependencies:
+  crustache:
+    github: MakeNowJust/crustache

spec/fixtures/test.mustache

@@ -0,0 +1 @@
+<span>{{pid}}</span>

spec/mustache_spec.cr

@@ -0,0 +1,26 @@
+require "./spec_helper"
+require "../src/mustache"
+
+class MustacheView
+  def has_key?(name)
+    name == "pid"
+  end
+
+  def [](name)
+    name == "pid" ? Process.pid : nil
+  end
+
+  Kilt.file "spec/fixtures/test.mustache", "__kilt_io__", self
+end
+
+describe Kilt do
+
+  it "renders ecr" do
+    Kilt.render("spec/fixtures/test.mustache", { "pid" => Process.pid }).should eq("<span>#{Process.pid}</span>")
+  end
+
+  it "works with classes" do
+    MustacheView.new.to_s.should eq("<span>#{Process.pid}</span>")
+  end
+
+end

src/mustache.cr

@@ -0,0 +1,4 @@
+require "./kilt"
+require "crustache"
+
+Kilt.register_engine "mustache", embed_mustache