first take of book rebuild

scalp42 · Sep 7, 2012 · fcc74b3 · fcc74b3
1 parent 304dcbc
commit fcc74b3
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Showing 7 changed files with 78 additions and 14 deletions.
diff --git a/Gemfile b/Gemfile
@@ -1,4 +1,6 @@
 source 'http://rubygems.org'
 
-gem 'thor', '~> 0.14'
-gem 'maruku', '~> 0.6'
+gem 'pdfkit'
+gem 'rake'
+gem 'redcarpet', '~> 2.0'
+gem 'sinatra'
diff --git a/Rakefile b/Rakefile
@@ -0,0 +1,10 @@
+require File.join(File.dirname(__FILE__), "book.rb")
+
+namespace :book do
+  desc "build the book into pdf"
+  task :build do
+    include Book
+    build(true)
+    #File.open("#{OUTPUT_DIR}/sinatra-book.html", "w") { |f| f.write(doc) }
+  end
+end
diff --git a/app.rb b/app.rb
@@ -0,0 +1,23 @@
+require File.join(File.dirname(__FILE__), "book.rb")
+require 'erb'
+require 'sinatra'
+include Book
+
+get('/'){ erb build }
+
+get('/book.css') { send_file "#{ASSETS_DIR}/book.css", :type => 'text/css' }
+
+get('/logo.png') { send_file "#{ASSETS_DIR}/images/logo.png", :type => :png }
+
+__END__
+@@layout
+<html>
+  <head>
+    <title>Sinatra Book</title>
+    <link rel="stylesheet" type="text/css" href="/book.css" />
+  </head>
+  <body>
+    <p><img src="/logo.png" /></p>
+    <%= yield %>
+  </body>
+</html>
diff --git a/images/logo.png → assets/images/logo.png b/images/logo.png → assets/images/logo.png
diff --git a/book-order.txt b/book-order.txt
@@ -2,7 +2,6 @@
 # Use this approach rather than than naming the files with 1_, 2_, and so on to force
 # a sort order.
 
-TOC.markdown
 Introduction.markdown
 Getting_to_know_Sinatra.markdown
 Organizing_your_application.markdown

diff --git a/book.rb b/book.rb
@@ -0,0 +1,41 @@
+require 'pdfkit'
+require 'redcarpet'
+
+module Book
+  ASSETS_DIR = File.join(File.dirname(__FILE__), "assets") 
+  BOOK_DIR = File.join(File.dirname(__FILE__), "book")
+  OUTPUT_DIR = File.join(File.dirname(__FILE__), "output")
+
+  def build(pdf=false)
+    renderer = Redcarpet::Markdown.new(Redcarpet::Render::HTML,
+                             #:no_links => true,
+                             :space_after_headers => true,
+                             :with_toc_data => true,
+                             :fenced_code_blocks => true)
+    toc_renderer = Redcarpet::Markdown.new(Redcarpet::Render::HTML_TOC)
+    doc = toc_renderer.render(complete_markdown(true))
+    doc << renderer.render(complete_markdown)
+    if pdf
+      kit = PDFKit.new(doc, :page_size=>'Letter')
+      kit.stylesheets << "#{ASSETS_DIR}/book.css"
+      pdf = kit.to_pdf
+      mkdir_p OUTPUT_DIR
+      file = kit.to_file("#{OUTPUT_DIR}/sinatra-book.pdf")
+    end
+    return doc
+  end
+
+  private
+  def complete_markdown(toc=false)
+    s = []
+    File.new("book-order.txt").each_line do |line|
+      line.strip!
+      next if line =~ /^#/   # Skip comments
+      next if line =~ /^$/   # Skip blank lines
+      File.open(File.join(BOOK_DIR, line)) do |f|
+        s << f.read
+      end
+    end
+    return s.join("\n\n* * *\n\n")
+  end
+end
diff --git a/book/TOC.markdown b/book/TOC.markdown