Upgrade pygments to v1.x (#5937)

Merge pull request 5937

Gemfile

@@ -81,7 +81,7 @@ group :jekyll_optional_dependencies do
   platform :ruby, :mswin, :mingw, :x64_mingw do
     gem "classifier-reborn", "~> 2.1.0"
     gem "liquid-c", "~> 3.0"
-    gem "pygments.rb", "~> 0.6.0"
+    gem "pygments.rb", "~> 1.0"
     gem "rdiscount", "~> 2.0"
     gem "redcarpet", "~> 3.2", ">= 3.2.3"
     gem "yajl-ruby", "~> 1.2"

lib/jekyll/tags/highlight.rb

@@ -86,7 +86,7 @@ MSG
       end
 
       def render_pygments(code, is_safe)
-        Jekyll::External.require_with_graceful_fail("pygments")
+        Jekyll::External.require_with_graceful_fail("pygments") unless defined?(Pygments)
 
         highlighted_code = Pygments.highlight(
           code,
@@ -118,7 +118,7 @@ MSG
           :gutter_class => "gutter",
           :code_class   => "code"
         )
-        lexer = Rouge::Lexer.find_fancy(@lang, code) || Rouge::Lexers::PlainText
+        lexer = ::Rouge::Lexer.find_fancy(@lang, code) || Rouge::Lexers::PlainText
         formatter.format(lexer.lex(code))
       end
 

test/test_redcarpet.rb

@@ -46,8 +46,9 @@ class TestRedcarpet < JekyllUnitTest
       end
 
       should "render fenced code blocks with syntax highlighting" do
-        assert_equal "<div class=\"highlight\"><pre><code class=\"language-ruby\" "\
+        assert_equal \
-                     "data-lang=\"ruby\"><span class=\"nb\">puts</span> <span "\
+          "<div class=\"highlight\"><pre><code class=\"language-ruby\" " \
+          "data-lang=\"ruby\"><span></span><span class=\"nb\">puts</span> <span " \
           "class=\"s2\">&quot;Hello world&quot;</span>\n</code></pre></div>",
           @markdown.convert(
             <<-EOS

test/test_tags.rb

@@ -185,7 +185,8 @@ CONTENT
 
       should "render markdown with pygments" do
         assert_match(
-          %(<pre><code class="language-text" data-lang="text">test</code></pre>),
+          %(<pre><code class="language-text" data-lang="text">) +
+          %(<span></span>test</code></pre>),
           @result
         )
       end
@@ -193,7 +194,7 @@ CONTENT
       should "render markdown with pygments with line numbers" do
         assert_match(
           %(<pre><code class="language-text" data-lang="text">) +
-          %(<span class="lineno">1</span> test</code></pre>),
+          %(<span></span><span class="lineno">1 </span>test</code></pre>),
           @result
         )
       end
@@ -206,7 +207,7 @@ CONTENT
 
       should "not embed the file" do
         assert_match(
-          %(<pre><code class="language-text" data-lang="text">) +
+          %(<pre><code class="language-text" data-lang="text"><span></span>) +
           %(./jekyll.gemspec</code></pre>),
           @result
         )
@@ -220,7 +221,8 @@ CONTENT
 
       should "render markdown with pygments line handling" do
         assert_match(
-          %(<pre><code class="language-text" data-lang="text">Æ</code></pre>),
+          %(<pre><code class="language-text" data-lang="text">) +
+          %(<span></span>Æ</code></pre>),
           @result
         )
       end
@@ -240,7 +242,8 @@ EOS
 
       should "only strip the preceding newlines" do
         assert_match(
-          %(<pre><code class=\"language-text\" data-lang=\"text\">     [,1] [,2]),
+          %(<pre><code class=\"language-text\" data-lang=\"text\">) +
+          %(<span></span>     [,1] [,2]),
           @result
         )
       end
@@ -265,8 +268,8 @@ EOS
 
       should "only strip the newlines which precede and succeed the entire block" do
         assert_match(
-          "<pre><code class=\"language-text\" data-lang=\"text\">" \
+          %(<pre><code class=\"language-text\" data-lang=\"text\"><span></span>) +
-          "     [,1] [,2]\n\n\n[1,] FALSE TRUE\n[2,] FALSE TRUE</code></pre>",
+          %(     [,1] [,2]\n\n\n[1,] FALSE TRUE\n[2,] FALSE TRUE</code></pre>),
           @result
         )
       end
@@ -280,7 +283,8 @@ EOS
 
       should "only strip the preceding newlines" do
         assert_match(
-          %(<pre><code class="language-text" data-lang="text">     [,1] [,2]),
+          %(<pre><code class="language-text" data-lang="text"><span></span>) +
+          %(     [,1] [,2]),
           @result
         )
       end
@@ -298,7 +302,8 @@ EOS
 
       should "only strip the preceding newlines" do
         assert_match(
-          %(<pre><code class=\"language-text\" data-lang=\"text\">     [,1] [,2]),
+          %(<pre><code class=\"language-text\" data-lang=\"text\"><span></span>) +
+          %(     [,1] [,2]),
           @result
         )
       end