Add image tag

1 files changed, 23 insertions, 0 deletions

diff --git a/_plugins/image.rb b/_plugins/image.rb
new file mode 100644
index 0000000..93b70e9
--- /dev/null
+++ b/_plugins/image.rb
@@ -0,0 +1,23 @@
+module Jekyll
+  class ImageTag < Liquid::Tag
+
+    def initialize(tag_name, parameters, tokens)
+      super
+      @params = {}
+      parameters.scan(/(\w+)\s*=\s*"([^"]+)"/) do |key, value|
+        @params[key] = value
+      end
+    end
+
+    def render(context)
+      url = @params['url']
+      alt = @params['alt']
+      if alt
+        "<img src='#{url}' alt='#{alt}' />"
+      else
+        "<img src='#{url}' />"
+      end
+    end
+    Liquid::Template.register_tag('image', self)
+  end
+end