From beb28d69dcf076b73dda47096353fd7404565fa8 Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Thu, 19 Jun 2014 21:14:34 -0400
Subject: v6: docbook, metadata header (docinfo)

---
 data/doc/sisu/CHANGELOG_v6     |  1 +
 lib/sisu/v6/shared_metadata.rb | 66 ++++++++++++++++++++++++++++++++++++++++++
 lib/sisu/v6/xml_docbook5.rb    |  9 ++++++
 3 files changed, 76 insertions(+)

diff --git a/data/doc/sisu/CHANGELOG_v6 b/data/doc/sisu/CHANGELOG_v6
index 820995f8..bfa4d5e7 100644
--- a/data/doc/sisu/CHANGELOG_v6
+++ b/data/doc/sisu/CHANGELOG_v6
@@ -41,6 +41,7 @@ http://www.jus.uio.no/sisu/pkg/src/sisu_6.0.8.orig.tar.xz
 
 * docbook,
   * ocn & footnote numbers (as xml comments)
+  * metadata header (docinfo)
 
 %% 6.0.7.orig.tar.xz (2014-05-25:20/7)
 http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=shortlog;h=refs/tags/sisu_6.0.7
diff --git a/lib/sisu/v6/shared_metadata.rb b/lib/sisu/v6/shared_metadata.rb
index 1fa57fa7..dae28c6c 100644
--- a/lib/sisu/v6/shared_metadata.rb
+++ b/lib/sisu/v6/shared_metadata.rb
@@ -297,6 +297,57 @@ module SiSU_Metadata
       end
       meta
     end
+    def metadata_alt
+      meta=[]
+      if @display_heading
+        @tag,@inf=%{<b><u>Document Metadata</u></b>},''
+        meta << self.meta_para
+      end
+      if defined? @md.title.main \
+      and @md.title.main=~/\S+/
+        @tag='title'
+        @inf=@md.title.main
+        meta << self.meta_para
+      end
+      if defined? @md.title.sub \
+      and @md.title.sub=~/\S+/
+        @tag='subtitle'
+        @inf=@md.title.sub
+        meta << self.meta_para
+      end
+      if defined? @md.creator.author \
+      and @md.creator.author=~/\S+/
+        @tag='author'
+        @inf=@md.creator.author
+        meta << self.meta_para
+      end
+      if defined? @md.creator.translator \
+      and @md.creator.translator=~/\S+/
+        @tag='translator'
+        @inf=@md.creator.translator
+        meta << self.meta_para
+      end
+      if defined? @md.creator.illustrator \
+      and @md.creator.illustrator=~/\S+/
+        @tag='illustrator'
+        @inf=@md.creator.illustrator
+        meta << self.meta_para
+      end
+      if defined? @md.rights.copyright.text \
+      and @md.rights.copyright.text=~/\S+/
+        @tag='copyright'
+        @inf=@md.rights.copyright.text # year & holder
+        @inf=@inf.gsub(/(?:Copyright|\(C\))+\s*/,'')
+        meta << self.meta_para
+      end
+      if defined? @md.rights.license \
+      and @md.rights.license=~/\S+/
+        @tag='license'
+        @inf=@md.rights.license
+        meta << self.meta_para
+      end
+      meta
+    end
     def processing_tags
       def make
         def language
@@ -756,6 +807,21 @@ module SiSU_Metadata
       end
       self
     end
+    def xml_docbook
+      def meta_para
+        inf_xml=char_enc(@inf).utf8
+        inf_xml=char_enc(inf_xml).br
+        <<WOK
+#{Ax[:tab]}<#{@tag}>
+#{Ax[:tab]*2}#{inf_xml}
+#{Ax[:tab]}</#{@tag}>
+WOK
+      end
+      def metadata
+        SiSU_Metadata::Summary.new(@md).metadata_alt
+      end
+      self
+    end
     def xml_sax
       def meta_para
         inf_xml=char_enc(@inf).utf8
diff --git a/lib/sisu/v6/xml_docbook5.rb b/lib/sisu/v6/xml_docbook5.rb
index 3f5333b2..75764043 100644
--- a/lib/sisu/v6/xml_docbook5.rb
+++ b/lib/sisu/v6/xml_docbook5.rb
@@ -70,6 +70,7 @@ module SiSU_XML_Docbook_Book
     include SiSU_TextUtils
   require_relative 'xml_shared'                         # xml_shared.rb
     include SiSU_XML_Munge
+  require_relative 'shared_metadata'                    # shared_metadata.rb
   class Source
     def initialize(opt)
       @opt=opt
@@ -189,6 +190,13 @@ module SiSU_XML_Docbook_Book
       end
       #def chapterlevel
       #end
+      def xml_head
+        [
+          '<docinfo>',
+          SiSU_Metadata::Summary.new(@md).xml_docbook.metadata,
+          '</docinfo>'
+        ].flatten
+      end
       def structure_build_collapsed(data)
         #output_file=@md.file.output_path.xml_docbook_book.dir + '/' + @md.file.base_filename.xml_docbook_book
         file=SiSU_Env::FileOp.new(@md)
@@ -197,6 +205,7 @@ module SiSU_XML_Docbook_Book
         @chlv=chlv=0
         doc_position=:head
         filename_docbook.puts head
+        filename_docbook.puts xml_head
         data.each_with_index do |o,i|
           if (defined? o.ocn and not o.ocn.nil?)
             ocn=(@make.build.ocn?) \
-- 
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