adds Selmer (#25)

* adding selmer

* update readme

Author: alekcz

README.md

@@ -37,6 +37,7 @@ Here the list of libraries tested:
 | :white_check_mark: | [ring/jetty](./ring-jetty)                           | Web server                                             |                                |
 | :white_check_mark: | [safely](./safely)                                   | Circuit breaker                                        |                                |
 | :white_check_mark: | [secure-random](./secure-random)                     | `SecureRandom` initialization                          |                                |
+| :white_check_mark: | [selmer](./selmer)                                   | A fast, Django inspired template system for Clojure.                          |                                |
 | :x:                | [system](./system)                                   | Layer on top of components                             | *Buildtime error, see Readme*  |
 
 

selmer/.gitignore

@@ -0,0 +1,12 @@
+/target
+/classes
+/checkouts
+profiles.clj
+pom.xml
+pom.xml.asc
+*.jar
+*.class
+/.lein-*
+/.nrepl-port
+.hgignore
+.hg/

selmer/README.md

@@ -0,0 +1,18 @@
+# Selmer
+
+Testing whether [Selmer](https://github.com/yogthos/Selmer) can be used in a native binary image with GraalVM.
+
+## Usage
+
+Currently testing:
+
+    [selmer "1.12.18"]
+
+Test with:
+
+    lein do clean, uberjar, native, run-native
+
+
+## Results
+`[selmer.parser]`  :white_check_mark:  
+`[selmer.filters]` :white_check_mark:

selmer/project.clj

@@ -0,0 +1,21 @@
+(defproject selmer "0.1.0-SNAPSHOT"
+
+  :dependencies [[org.clojure/clojure "1.10.1"]
+                 [selmer "1.12.18"]]
+
+  :main simple.main
+
+  :uberjar-name "simple-main.jar"
+
+  :profiles {:uberjar {:aot :all}
+             :dev {:plugins [[lein-shell "0.5.0"]]}}
+
+  :aliases
+  {"native"
+   ["shell"
+    "native-image" "--report-unsupported-elements-at-runtime" "--no-server"
+    "--initialize-at-build-time"
+    "-jar" "./target/${:uberjar-name:-${:name}-${:version}-standalone.jar}"
+    "-H:Name=./target/${:name}"]
+
+   "run-native" ["shell" "./target/${:name}"]})

selmer/src/simple/main.clj

@@ -0,0 +1,19 @@
+(ns simple.main
+  (:require [selmer.parser :refer [render]]
+            [selmer.filters :refer [add-filter!]]
+            [clojure.string :as str])
+  (:gen-class))
+
+(defn -main []
+  (add-filter! :embiginate str/upper-case)
+  (println (render "Hello {{name}}!" {:name "GraalVM"}))
+  (println (render "{{d|date:\"yyyy-MM-dd\"}}" {:d (java.util.Date.)}))
+  (println (render "{{number|phone}}" {:number "01234 567890"}))
+  (println (render "{{items|count}} item{{items|pluralize}}" {:items [1]}))
+  (println (render "{{foo|rand-nth}}" {:foo [1 2 3]}))
+  (println (render "{{data}}" {:data "<foo>"}))
+  (println (render "{{data|safe}}" {:data "<foo>"}))
+  (println (render "{{name|default-if-empty:\"I <3 ponies\"}}" {:name "GraalVM"}))
+  (println (render "{% if xs|empty? %}foo{% endif %}" {:xs []}))
+  (println (render "{{domain|hash:\"md5\"}}" {:domain "example.org"}))
+  (println (render "{{shout|embiginate}}" {:shout "graalvm"})))