add support for webp images

Author: ss141309

lib/org-ruby/image_regexp.rb

@@ -1,7 +1,7 @@
 module Orgmode
   module ImageRegexp
     def image_file
-      /\.(gif|jpe?g|p(?:bm|gm|n[gm]|pm)|svgz?|tiff?|x[bp]m)/i
+      /\.(gif|jpe?g|webp|p(?:bm|gm|n[gm]|pm)|svgz?|tiff?|x[bp]m)/i
     end
   end
 end

lib/org-ruby/regexp_helper.rb

@@ -171,7 +171,7 @@ def org_emphasis_regexp
     end
 
     def org_image_file_regexp
-      /\.(gif|jpe?g|p(?:bm|gm|n[gm]|pm)|svgz?|tiff?|x[bp]m)/i
+      /\.(gif|jpe?g|webp|p(?:bm|gm|n[gm]|pm)|svgz?|tiff?|x[bp]m)/i
     end
 
     private

spec/html_examples/include-file.html

@@ -77,10 +77,10 @@ <h2>Continue numbered list</h2>
 <p>And now back to normal!</p>
 <h2>Within a commented block</h2>
 <pre class="example">
-&lt;li&gt;[ ] &amp;#8220;smart quotes&amp;#8221;&lt;/li&gt; 
-&lt;li&gt;[ ] I think I need this for &amp;#8216;single quotes&amp;#8217; too. Don&amp;#8217;t I?&lt;/li&gt; 
-&lt;li&gt;[ ] Em dashes would be great &amp;#8212; wouldn&amp;#8217;t they?&lt;/li&gt; 
-&lt;li&gt;[ ] I hope to develop an en dash sometime in 2010 &amp;#8211; 2011.&lt;/li&gt; 
+&lt;li&gt;[ ] &amp;#8220;smart quotes&amp;#8221;&lt;/li&gt;
+&lt;li&gt;[ ] I think I need this for &amp;#8216;single quotes&amp;#8217; too. Don&amp;#8217;t I?&lt;/li&gt;
+&lt;li&gt;[ ] Em dashes would be great &amp;#8212; wouldn&amp;#8217;t they?&lt;/li&gt;
+&lt;li&gt;[ ] I hope to develop an en dash sometime in 2010 &amp;#8211; 2011.&lt;/li&gt;
 </pre>
 <h2>Within a center block</h2>
 <div style="text-align: center">
@@ -98,6 +98,7 @@ <h2>Within a center block</h2>
     <li>.jpeg</li>
     <li>.svg</li>
     <li>.svgz</li>
+    <li>.webp</li>
   </ul>
   <p>Sample absolute link to .svg:</p>
   <p><img src="https://www.w3.org/Graphics/SVG/Test/20110816/svg/animate-dom-01-f.svg" alt="https://www.w3.org/Graphics/SVG/Test/20110816/svg/animate-dom-01-f.svg" /></p>
@@ -129,6 +130,7 @@ <h2>Within a blockquote</h2>
     <li>.jpeg</li>
     <li>.svg</li>
     <li>.svgz</li>
+    <li>.webp</li>
   </ul>
   <p>Sample absolute link to .svg:</p>
   <p><img src="https://www.w3.org/Graphics/SVG/Test/20110816/svg/animate-dom-01-f.svg" alt="https://www.w3.org/Graphics/SVG/Test/20110816/svg/animate-dom-01-f.svg" /></p>

spec/html_examples/inline-images.html

@@ -11,6 +11,7 @@
   <li>.jpeg</li>
   <li>.svg</li>
   <li>.svgz</li>
+  <li>.webp</li>
 </ul>
 <p>Sample absolute link to .svg:</p>
 <p><img src="https://www.w3.org/Graphics/SVG/Test/20110816/svg/animate-dom-01-f.svg" alt="https://www.w3.org/Graphics/SVG/Test/20110816/svg/animate-dom-01-f.svg" /></p>

spec/html_examples/inline-images.org

@@ -14,6 +14,7 @@ the inline image. I recognize the following image file types:
 - .jpeg
 - .svg
 - .svgz
+- .webp
 
 Sample absolute link to .svg:
 

spec/markdown_examples/inline-images.md

@@ -14,6 +14,7 @@ the inline image. I recognize the following image file types:
  * .jpeg
  * .svg
  * .svgz
+ * .webp
 
 Sample .svg:
 

spec/markdown_examples/inline-images.org

@@ -14,6 +14,7 @@ the inline image. I recognize the following image file types:
 - .jpeg
 - .svg
 - .svgz
+- .webp
 
 Sample .svg:
 

spec/org-ruby/image_regexp_spec.rb

@@ -15,6 +15,7 @@ class DummyRegexp
       it { expect(regexp.image_file).to match 'some/path/file.gif' }
       it { expect(regexp.image_file).to match 'other.svgz' }
       it { expect(regexp.image_file).to match 'tiffany.tiff' }
+      it { expect(regexp.image_file).to match 'file.webp' }
       it { expect(regexp.image_file).to match 'xx.xpm' }
       it { expect(regexp.image_file).to match 'yy.xbm' }