1 files changed, 32 insertions, 0 deletions
diff --git a/core/src/main/scala/com/softwaremill/sttp/UriInterpolator.scala b/core/src/main/scala/com/softwaremill/sttp/UriInterpolator.scala
new file mode 100644
index 0000000..abb2327
--- /dev/null
+++ b/core/src/main/scala/com/softwaremill/sttp/UriInterpolator.scala
@@ -0,0 +1,32 @@
+package com.softwaremill.sttp
+
+// from https://gist.github.com/teigen/5865923
+object UriInterpolator {
+
+  private val unreserved = {
+    val alphanum = (('a' to 'z') ++ ('A' to 'Z') ++ ('0' to '9')).toSet
+    val mark     = Set('-', '_', '.', '!', '~', '*', '\'', '(', ')')
+    alphanum ++ mark
+  }
+
+  implicit class UriContext(val sc:StringContext) extends AnyVal {
+    def uri(args:String*) = {
+      val strings     = sc.parts.iterator
+      val expressions = args.iterator
+      val sb          = new StringBuffer(strings.next())
+
+      while(strings.hasNext){
+        for(c <- expressions.next()){
+          if(unreserved(c))
+            sb.append(c)
+          else for(b <- c.toString.getBytes("UTF-8")){
+            sb.append("%")
+            sb.append("%02X".format(b))
+          }
+        }
+        sb.append(strings.next())
+      }
+      sb.toString
+    }
+  }
+}