add h2 from yaml in preprocess.rb; remove from sample sections

Author: pbinkley

_scripts/preprocess.rb

@@ -1,14 +1,68 @@
 #!/usr/bin/env ruby
 
+require 'yaml'
+
 @mainyamldone = false
 @inyaml = false
+@inbox = false
+@yaml_block = ""
+@main_yaml = nil
+@section_yaml = nil
 
 ARGF.each_with_index do |line, idx|
+
+	# handle yaml blocks
 	if /^---$/.match(line)
+		# pass the main yaml block through
 		print line if !@mainyamldone
 		@inyaml = !@inyaml
-		@mainyamldone = true if !@inyaml
+		if @inyaml
+			# we're starting a yaml block
+			@yaml_block = line + "\n"
+		else
+			# we've reached end of yaml block
+			@yaml_block = @yaml_block + line + "\n"
+			if @main_yaml.nil?
+				@main_yaml = YAML.load(@yaml_block)
+			else
+				@section_yaml = YAML.load(@yaml_block)
+				# add section h2 header to output
+				# note: can't get header_attributes to work, so have to create 
+				# section anchor explicitly
+				print "\n\n\\newpage\n"
+				print "\\hypertarget{" + @section_yaml['id'].to_s + "}{}" 
+				print "\n\n## " + @section_yaml['title'].to_s + "\n"
+
+			end	
+			@mainyamldone = true
+		end 
+	elsif @inyaml
+		print line unless @mainyamldone
+		@yaml_block = @yaml_block + line + "\n"
 	else
-		print line unless (@inyaml && @mainyamldone)
+
+		# replace internal links
+		# match [text](./03-chapter2.html#s03n6) -> \hyperlink{s03n6}{text}
+		line.gsub!(/\[([^\]]*)\]\(\.\/.+?\.html#(.+?)\)/, "\\hyperlink{\\2}{\\1}")
+		# match [text](./03-chapter2.html) -> \hyperlink{s03}{text}
+		line.gsub!(/\[([^\]]*)\]\(\.\/([0-9]*).+?\.html\)/, "\\hyperlink{s\\2}{\\1}")
+		# match <span name="s00n3"></span> -> \hypertarget{s00n3}{}
+		line.gsub!(/\<span name=['"]([A-Za-z0-9]*)['"]\>\<\/span\>/, "\\hypertarget{\\1}{} ")
+
+		# handle catalog-card boxes
+		if /<p class=\"right\".*/.match(line)
+			print "\\rightline{\\texttt{" + /\>(.*)\</.match(line)[1] + "}}\n"
+		elsif /^\<div class=\"box\"/.match(line)
+			@inbox = true
+			print "\\fboxsep=10pt\n\\fbox{\\begin{minipage}{30em}\n"
+		elsif /^\<\/div\>/.match(line)
+			@inbox = false
+		    print "\\end{minipage}}\n"
+		elsif @inbox
+			# handle text lines in catalogue card box
+			print "\\texttt{" + line.gsub(/\*(.+?)\*/,"\\underline{\\1}").sub(/^(\ )*/,"\\hspace*{0.5ex}") + "\\\\}\n"
+		else
+			print line
+		end
 	end
 end

sections/01-section1.md

@@ -6,8 +6,6 @@ id: s01
 group: sections
 ---
 
-## Chapter 1: Lorem Ipsum
-
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent pretium arcu diam, sit amet porta ligula porta at. *Duis lobortis tellus in lacus dictum, vitae consequat sapien facilisis. Duis ullamcorper neque nec purus ultrices, at porttitor ex varius.* **Mauris sed convallis odio. Praesent sagittis enim sed tempor pretium.** Morbi eget volutpat neque. Proin accumsan odio purus, ut mattis tortor imperdiet a. Nulla facilisi. Morbi ac enim aliquet mauris pulvinar vestibulum. Aliquam blandit ante eget accumsan dictum. Ut hendrerit ipsum quis dictum rutrum. Integer in metus tincidunt, dictum nibh at, efficitur ex. Duis porttitor purus quis pretium suscipit. Proin placerat volutpat congue. Nulla interdum pretium velit, vitae lobortis arcu vehicula vitae.[^note-02-1]
 
 [^note-02-1]: This is a footnote.

sections/02-section2.md

@@ -6,8 +6,6 @@ id: s02
 group: sections
 ---
 
-## Chapter 2: Tables
-
 Markdown does tables in several ways, but getting a format that works well for HTML and PDF is not easy. Here are samples of the different formats. The sample tables are copied from the [Pandoc readme](http://pandoc.org/README.html#tables), where more details may be found.
 
 ### Simple table (with alignment)