Hugo to Asciidoctor

1 files changed, 54 insertions, 0 deletions

diff --git a/lib/parser.rb b/lib/parser.rb
new file mode 100644
index 0000000..8ae3303
--- /dev/null
+++ b/lib/parser.rb
@@ -0,0 +1,54 @@
+module NulDoc
+  class Parser
+    def initialize(common_attributes, content_dir, template_dir)
+      @common_attributes = common_attributes
+      @content_dir = content_dir
+      @template_dir = template_dir
+    end
+
+    def parse_file(file_path)
+      Asciidoctor.load_file(
+        file_path,
+        backend: :html5,
+        doctype: :article,
+        standalone: true,
+        safe: :unsafe,
+        template_dirs: [@template_dir],
+        template_engine: 'erb',
+        attributes: @common_attributes.merge({
+          'source-file-path' => file_path,
+          'href' => file_path.sub(@content_dir, '').sub('.adoc', '/'),
+        }),
+        extension_registry: Asciidoctor::Extensions.create do
+          tree_processor Nuldoc::Extensions::RevisionHistoryProcessor
+          tree_processor Nuldoc::Extensions::DocumentTitleProcessor
+          tree_processor Nuldoc::Extensions::LangAttributeProcessor
+          # tree_processor Nuldoc::Extensions::SectionIdValidator
+          # tree_processor Nuldoc::Extensions::SourceIdValidator
+          tree_processor Nuldoc::Extensions::TagsProcessor
+
+          # MUST BE AT THE END
+          tree_processor Nuldoc::Extensions::SourceIdProcessor
+        end,
+      )
+    end
+
+    def parse_string(s, copyright_year)
+      Asciidoctor.convert(
+        s,
+        backend: :html5,
+        doctype: :article,
+        safe: :unsafe,
+        template_dirs: [@template_dir],
+        template_engine: 'erb',
+        attributes: @common_attributes.merge({
+          'copyright-year' => copyright_year,
+        }),
+        extension_registry: Asciidoctor::Extensions.create do
+          tree_processor Nuldoc::Extensions::LangAttributeProcessor
+          tree_processor Nuldoc::Extensions::TagsProcessor
+        end,
+      )
+    end
+  end
+end