From f93e29372bb9cb5f71b320a1b3fd1263d7c6c045 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Thu, 1 Oct 2015 20:01:00 +0200
Subject: Add support for @img in templates.

---
 js/codeq/core.js | 73 +++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 49 insertions(+), 24 deletions(-)

diff --git a/js/codeq/core.js b/js/codeq/core.js
index 6b0719b..f1bd697 100644
--- a/js/codeq/core.js
+++ b/js/codeq/core.js
@@ -279,34 +279,59 @@
         return result;
     };
 
+    var resolveResource = function (resourceName, resourceBranches) {
+        var traversedPath = ['data'], // top-level directory
+            branch = resources,
+            candidate = null,
+            i, fragment;
+        if (!resourceName) {
+            codeq.log.error('No resource name provided; path: "' + resourceBranches.join('/') + '"');
+            return null;
+        }
+        if (branch[resourceName]) candidate = 'data/' + resourceName; // top-level match
+        for (i = 0; i < resourceBranches.length; i++) {
+            fragment = resourceBranches[i];
+            branch = branch[fragment];
+            if (!branch) {
+                codeq.log.error('Resource sub-branch ' + fragment + ' does not exist; resource: "' + resourceName + '", path: "' + resourceBranches.join('/') + '"');
+                break;
+            }
+            traversedPath.push(fragment);
+            if (branch[resourceName]) candidate = traversedPath.join('/') + '/' + resourceName;
+        }
+        if (candidate) return candidate;
+        codeq.log.error('Resource ' + resourceName + ' was not found; path: "' + resourceBranches.join('/') + '"');
+        return null;
+    };
+
     var directiveHandlers = {
         'resource': function (code, tokens, templatePath) {
-            var resourceName = tokens[1],
-                traversedPath = ['data'], // top-level directory
-                branch = resources,
-                candidate = null,
-                i, fragment;
-            if (!resourceName) {
-                codeq.log.error('No resource name provided; path: "' + templatePath.join('/') + '"');
-                code.push('_result.push("data/broken.png");\n');
-                return;
-            }
-            if (branch[resourceName]) candidate = 'data/' + resourceName; // top-level match
-            for (i = 0; i < templatePath.length; i++) {
-                fragment = templatePath[i];
-                branch = branch[fragment];
-                if (!branch) {
-                    codeq.log.error('Resource sub-branch ' + fragment + ' does not exist; resource: "' + resourceName + '", path: "' + templatePath.join('/') + '"');
-                    break;
+            code.push('_result.push("', resolveResource(tokens[1], templatePath) || 'data/broken.png', '");\n');
+        },
+
+        'img': function (code, tokens, templatePath) {
+            var N = tokens.length,
+                attrs = [],
+                token, i;
+            for (i = 1; i < N; i++) {
+                token = tokens[i];
+                if (!token || typeof token !== 'object') {
+                    codeq.log.error('Invalid token at position ' + i + ' in @img');
+                    continue;
+                }
+                switch (token.key) {
+                    case 'src':
+                        attrs.push('src="' + resolveResource(token.value, templatePath) + '"');
+                        break;
+                    case 'alt':
+                        attrs.push('alt="' + codeq.escapeHtml(token.value) + '"');
+                        break;
+                    case 'class':
+                        attrs.push('class="' + token.value + '"');
+                        break;
                 }
-                traversedPath.push(fragment);
-                if (branch[resourceName]) candidate = traversedPath.join('/') + '/' + resourceName;
-            }
-            if (candidate) code.push('_result.push("', candidate, '");\n');
-            else {
-                codeq.log.error('Resource ' + resourceName + ' was not found; path: "' + templatePath.join('/') + '"');
-                code.push('_result.push("data/broken.png");\n');
             }
+            code.push('_result.push("<img ', attrs.join(' ').replace(regexpQuote, '\\"'), '>");\n');
         }
     };
 
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