applies new string literal convention in guides

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

1 files changed, 28 insertions, 28 deletions

diff --git a/guides/rails_guides/kindle.rb b/guides/rails_guides/kindle.rb
index 081afcb09f..3686e195e0 100644
--- a/guides/rails_guides/kindle.rb
+++ b/guides/rails_guides/kindle.rb
@@ -4,10 +4,10 @@ unless `which kindlerb`
   abort "Please gem install kindlerb"
 end
 
-require 'nokogiri'
-require 'fileutils'
-require 'yaml'
-require 'date'
+require "nokogiri"
+require "fileutils"
+require "yaml"
+require "date"
 
 module Kindle
   extend self
@@ -18,7 +18,7 @@ module Kindle
       puts "=> Using output dir: #{output_dir}"
       puts "=> Arranging html pages in document order"
       toc = File.read("toc.ncx")
-      doc = Nokogiri::XML(toc).xpath("//ncx:content", 'ncx' => "http://www.daisy.org/z3986/2005/ncx/")
+      doc = Nokogiri::XML(toc).xpath("//ncx:content", "ncx" => "http://www.daisy.org/z3986/2005/ncx/")
       html_pages = doc.select {|c| c[:src]}.map {|c| c[:src]}.uniq
      
       generate_front_matter(html_pages)
@@ -49,14 +49,14 @@ module Kindle
 
     fdoc = Nokogiri::HTML(html)
     fdoc.search("h3").each do |h3|
-      h3.name = 'h4'
+      h3.name = "h4"
     end
     fdoc.search("h2").each do |h2| 
-      h2.name = 'h3'
-      h2['id'] = h2.inner_text.gsub(/\s/, '-')
+      h2.name = "h3"
+      h2["id"] = h2.inner_text.gsub(/\s/, "-")
     end
     add_head_section fdoc, "Front Matter"
-    File.open("frontmatter.html",'w') {|f| f.puts fdoc.to_html}
+    File.open("frontmatter.html","w") {|f| f.puts fdoc.to_html}
     html_pages.unshift "frontmatter.html"
   end
 
@@ -65,9 +65,9 @@ module Kindle
     html_pages.each_with_index do |page, section_idx|
       FileUtils::mkdir_p("sections/%03d" % section_idx)
       doc = Nokogiri::HTML(File.open(page))
-      title = doc.at("title").inner_text.gsub("Ruby on Rails Guides: ", '')
-      title = page.capitalize.gsub('.html', '') if title.strip == ''
-      File.open("sections/%03d/_section.txt" % section_idx, 'w') {|f| f.puts title}
+      title = doc.at("title").inner_text.gsub("Ruby on Rails Guides: ", "")
+      title = page.capitalize.gsub(".html", "") if title.strip == ""
+      File.open("sections/%03d/_section.txt" % section_idx, "w") {|f| f.puts title}
       doc.xpath("//h3[@id]").each_with_index do |h3,item_idx|
         subsection = h3.inner_text
         content = h3.xpath("./following-sibling::*").take_while {|x| x.name != "h3"}.map(&:to_html)
@@ -75,10 +75,10 @@ module Kindle
         item_path = "sections/%03d/%03d.html" % [section_idx, item_idx] 
         add_head_section(item, subsection)
         item.search("img").each do |img|
-          img['src'] = "#{Dir.pwd}/#{img['src']}"
+          img["src"] = "#{Dir.pwd}/#{img['src']}"
         end
         item.xpath("//li/p").each {|p| p.swap(p.children); p.remove}
-        File.open(item_path, 'w') {|f| f.puts item.to_html}
+        File.open(item_path, "w") {|f| f.puts item.to_html}
       end
     end
   end
@@ -87,21 +87,21 @@ module Kindle
     puts "=> Generating _document.yml"
     x = Nokogiri::XML(File.open("rails_guides.opf")).remove_namespaces!
     cover_jpg = "#{Dir.pwd}/images/rails_guides_kindle_cover.jpg"
-    cover_gif = cover_jpg.sub(/jpg$/, 'gif')
+    cover_gif = cover_jpg.sub(/jpg$/, "gif")
     puts `convert #{cover_jpg} #{cover_gif}`
     document = {
-      'doc_uuid' => x.at("package")['unique-identifier'],
-      'title' => x.at("title").inner_text.gsub(/\(.*$/, " v2"),
-      'publisher' => x.at("publisher").inner_text,
-      'author' => x.at("creator").inner_text,
-      'subject' => x.at("subject").inner_text,
-      'date' => x.at("date").inner_text,
-      'cover' => cover_gif,
-      'masthead' => nil,
-      'mobi_outfile' => mobi_outfile
+      "doc_uuid" => x.at("package")["unique-identifier"],
+      "title" => x.at("title").inner_text.gsub(/\(.*$/, " v2"),
+      "publisher" => x.at("publisher").inner_text,
+      "author" => x.at("creator").inner_text,
+      "subject" => x.at("subject").inner_text,
+      "date" => x.at("date").inner_text,
+      "cover" => cover_gif,
+      "masthead" => nil,
+      "mobi_outfile" => mobi_outfile
     }
     puts document.to_yaml
-    File.open("_document.yml", 'w'){|f| f.puts document.to_yaml}
+    File.open("_document.yml", "w"){|f| f.puts document.to_yaml}
   end
 
   def add_head_section(doc, title)
@@ -110,9 +110,9 @@ module Kindle
     title_node.content = title
     title_node.parent = head
     css = Nokogiri::XML::Node.new "link", doc
-    css['rel'] = 'stylesheet'
-    css['type'] = 'text/css'
-    css['href'] = "#{Dir.pwd}/stylesheets/kindle.css"
+    css["rel"] = "stylesheet"
+    css["type"] = "text/css"
+    css["href"] = "#{Dir.pwd}/stylesheets/kindle.css"
     css.parent = head
     doc.at("body").before head
   end