Add builder pattern for paragraph, lists, tables

lib/ezdoc/xml/document_xml.rb

@@ -8,8 +8,8 @@ module Ezdoc
         "xmlns:r" => "http://schemas.openxmlformats.org/officeDocument/2006/relationships"
       }.freeze
 
-      def initialize(content)
-        @content = content
+      def initialize(nodes)
+        @nodes = nodes
       end
 
       def to_xml
@@ -17,18 +17,88 @@ module Ezdoc
           xml.document(NAMESPACES) do
             xml.parent.namespace = xml.parent.namespace_definitions.find { |ns| ns.prefix == "w" }
             xml["w"].body do
-              @content.each do |item|
-                xml["w"].p do
-                  xml["w"].r do
-                    xml["w"].t item[:text]
-                  end
-                end
-              end
+              @nodes.each { |node| render_node(xml, node) }
             end
           end
         end
         builder.to_xml
       end
+
+      private
+
+      def render_node(xml, node)
+        case node
+        when Nodes::Paragraph
+          render_paragraph(xml, node)
+        when Nodes::List
+          render_list(xml, node)
+        when Nodes::Table
+          render_table(xml, node)
+        end
+      end
+
+      def render_paragraph(xml, para)
+        xml["w"].p do
+          para.runs.each { |run| render_run(xml, run) }
+        end
+      end
+
+      def render_list(xml, list)
+        list.items.each { |item| render_list_item(xml, item) }
+      end
+
+      def render_list_item(xml, item)
+        xml["w"].p do
+          xml["w"].pPr do
+            xml["w"].numPr do
+              xml["w"].ilvl("w:val" => "0")
+              xml["w"].numId("w:val" => item.num_id.to_s)
+            end
+          end
+          item.runs.each { |run| render_run(xml, run) }
+        end
+      end
+
+      def render_run(xml, run)
+        xml["w"].r do
+          if run.bold || run.italic || run.underline
+            xml["w"].rPr do
+              xml["w"].b if run.bold
+              xml["w"].i if run.italic
+              xml["w"].u("w:val" => "single") if run.underline
+            end
+          end
+          xml["w"].t(run.text, "xml:space" => "preserve")
+        end
+      end
+
+      def render_table(xml, table)
+        xml["w"].tbl do
+          xml["w"].tblPr do
+            xml["w"].tblW("w:w" => "0", "w:type" => "auto")
+            xml["w"].tblBorders do
+              %w[top left bottom right insideH insideV].each do |border|
+                xml["w"].send(border, "w:val" => "single", "w:sz" => "4", "w:color" => "000000")
+              end
+            end
+          end
+          table.rows.each { |row| render_table_row(xml, row) }
+        end
+      end
+
+      def render_table_row(xml, row)
+        xml["w"].tr do
+          row.cells.each { |cell| render_table_cell(xml, cell) }
+        end
+      end
+
+      def render_table_cell(xml, cell)
+        xml["w"].tc do
+          xml["w"].p do
+            cell.runs.each { |run| render_run(xml, run) }
+          end
+        end
+      end
     end
   end
 end