Project rename

lib/notare/xml/styles_xml.rb

@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+module Notare
+  module Xml
+    class StylesXml
+      NAMESPACE = "http://schemas.openxmlformats.org/wordprocessingml/2006/main"
+
+      ALIGNMENT_MAP = {
+        left: "left",
+        center: "center",
+        right: "right",
+        justify: "both"
+      }.freeze
+
+      def initialize(styles)
+        @styles = styles
+      end
+
+      def to_xml
+        builder = Nokogiri::XML::Builder.new(encoding: "UTF-8") do |xml|
+          xml.styles("xmlns:w" => NAMESPACE) do
+            xml.parent.namespace = xml.parent.namespace_definitions.find { |ns| ns.prefix == "w" }
+
+            @styles.each_value do |style|
+              render_style(xml, style)
+            end
+          end
+        end
+        builder.to_xml
+      end
+
+      private
+
+      def render_style(xml, style)
+        style_type = style.paragraph_properties? ? "paragraph" : "character"
+
+        xml["w"].style("w:type" => style_type, "w:styleId" => style.style_id) do
+          xml["w"].name("w:val" => style.display_name)
+
+          render_paragraph_properties(xml, style) if style.paragraph_properties?
+          render_run_properties(xml, style) if style.text_properties?
+        end
+      end
+
+      def render_paragraph_properties(xml, style)
+        xml["w"].pPr do
+          xml["w"].jc("w:val" => ALIGNMENT_MAP[style.align]) if style.align
+          xml["w"].ind("w:left" => style.indent.to_s) if style.indent
+          xml["w"].spacing("w:before" => style.spacing_before.to_s) if style.spacing_before
+          xml["w"].spacing("w:after" => style.spacing_after.to_s) if style.spacing_after
+        end
+      end
+
+      def render_run_properties(xml, style)
+        xml["w"].rPr do
+          xml["w"].rFonts("w:ascii" => style.font, "w:hAnsi" => style.font) if style.font
+          xml["w"].sz("w:val" => style.size_half_points.to_s) if style.size
+          xml["w"].color("w:val" => style.color) if style.color
+          xml["w"].b if style.bold
+          xml["w"].i if style.italic
+          xml["w"].u("w:val" => "single") if style.underline
+        end
+      end
+    end
+  end
+end