resolves #405 - add attribute to control which substitutions are performed on docinfo files

- add docinfosubs attribute to control substitutions performed on docinfo files
- don't parse attribute option to cli as an array (interfers with docinfosubs value)
- add method to resolve docinfosubs
- add tests for docinfosubs attribute

4 files changed, 21 insertions, 2 deletions

diff --git a/test/document_test.rb b/test/document_test.rb
index ac2c9c18..ca03d40f 100644
--- a/test/document_test.rb
+++ b/test/document_test.rb
@@ -817,6 +817,16 @@ text
       assert_css 'productname', output, 0
       assert_css 'copyright', output, 0
     end
+
+    test 'should apply explicit substitutions to docinfo files' do
+      sample_input_path = fixture_path('subs.adoc')
+
+      output = Asciidoctor.convert_file sample_input_path, :to_file => false,
+                                        :header_footer => true, :safe => Asciidoctor::SafeMode::SERVER, :attributes => {'docinfo' => '', 'docinfosubs' => 'attributes,replacements', 'linkcss' => ''}
+      assert !output.empty?
+      assert_css 'script[src="bootstrap.3.2.0.min.js"]', output, 1
+      assert_xpath %(//meta[@name="copyright"][@content="#{entity 169} OpenDevise"]), output, 1
+    end
   end
 
   context 'MathJax' do
diff --git a/test/fixtures/subs-docinfo.html b/test/fixtures/subs-docinfo.html
new file mode 100644
index 00000000..b75acc83
--- /dev/null
+++ b/test/fixtures/subs-docinfo.html
@@ -0,0 +1,2 @@
+<meta name="copyright" content="(C) OpenDevise">
+<script src="bootstrap.{bootstrap-version}.min.js"></script>
diff --git a/test/fixtures/subs.adoc b/test/fixtures/subs.adoc
new file mode 100644
index 00000000..c7203896
--- /dev/null
+++ b/test/fixtures/subs.adoc
@@ -0,0 +1,7 @@
+= Document Title
+Doc Writer <doc.writer@asciidoc.org>
+v1.0, 2013-01-01
+:bootstrap-version: 3.2.0
+
+Body content.
+
diff --git a/test/options_test.rb b/test/options_test.rb
index 1cf525ba..123fee59 100644
--- a/test/options_test.rb
+++ b/test/options_test.rb
@@ -57,9 +57,9 @@ context 'Options' do
   end
 
   test 'standard attribute assignment' do
-    options = Asciidoctor::Cli::Options.parse!(%w(-a imagesdir=images,icons test/fixtures/sample.asciidoc))
+    options = Asciidoctor::Cli::Options.parse!(%w(-a docinfosubs=attributes,replacements -a icons test/fixtures/sample.asciidoc))
 
-    assert_equal 'images', options[:attributes]['imagesdir']
+    assert_equal 'attributes,replacements', options[:attributes]['docinfosubs']
     assert_equal '', options[:attributes]['icons']
   end