From f5174ee66ed244fa72a7cfe94e5a24d7c8c4c58c Mon Sep 17 00:00:00 2001
From: scippio <scippio@2ants.eu>
Date: Mon, 7 Nov 2016 18:49:02 +0100
Subject: [PATCH] ternary operator

---
 .gitignore    |  1 +
 lib/parser.js | 26 +++++++++++++++++++++++---
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 8ae7939..719c850 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ tmp
 docs/docs/*.json
 docs/coverage.html
 build/
+.tags
diff --git a/lib/parser.js b/lib/parser.js
index 0c94ea9..e45ef72 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -617,24 +617,42 @@ exports.parse = function (swig, source, opts, tags, filters) {
     return token;
   }
 
+   function isTernary(chunk){
+       var ternexp = RegExp('^'+varOpen+'\\s*([\\w"\']+)\\s*\\?\\s*([\\w"\']+)\\s*:\\s*([\\w"\']+)\\s*'+varClose+'$|^'+varOpen+'\\s*([\\w"\']+)\\s*\\?:\\s*([\\w"\']+)\\s*'+varClose+'$','i');
+       return chunk.match(ternexp)
+   }
+
   /*!
    * Loop over the source, split via the tag/var/comment regular expression splitter.
    * Send each chunk to the appropriate parser.
    */
-  utils.each(source.split(splitter), function (chunk) {
+  var chunksToParser = function (chunk) {
     var token, lines, stripPrev, prevToken, prevChildToken;
 
     if (!chunk) {
       return;
     }
 
+    // Ternary operator
+    var ternary = isTernary(chunk);
+    if(ternary !== null){
+        var ternarySource;
+        if(ternary[1] === undefined){
+            ternarySource = '{% if '+ternary[4]+' %}{{'+ternary[4]+'}}{% else %}{{'+ternary[5]+'}}{% endif %}';
+        } else {
+            ternarySource = '{% if '+ternary[1]+' %}{{'+ternary[2]+'}}{% else %}{{'+ternary[3]+'}}{% endif %}';
+        }
+        utils.each(ternarySource.split(splitter), chunksToParser);
+        return;
+    }
+
     // Is a variable?
     if (!inRaw && utils.startsWith(chunk, varOpen) && utils.endsWith(chunk, varClose)) {
       stripPrev = varStripBefore.test(chunk);
       stripNext = varStripAfter.test(chunk);
       token = parseVariable(chunk.replace(varStrip, ''), line);
     // Is a tag?
-    } else if (utils.startsWith(chunk, tagOpen) && utils.endsWith(chunk, tagClose)) {
+    } else if(utils.startsWith(chunk, tagOpen) && utils.endsWith(chunk, tagClose)) {
       stripPrev = tagStripBefore.test(chunk);
       stripNext = tagStripAfter.test(chunk);
       token = parseTag(chunk.replace(tagStrip, ''), line);
@@ -687,7 +705,9 @@ exports.parse = function (swig, source, opts, tags, filters) {
 
     lines = chunk.match(/\n/g);
     line += lines ? lines.length : 0;
-  });
+  };
+
+  utils.each(source.split(splitter), chunksToParser);
 
   return {
     name: opts.filename,