add markdown to pdf tools.

Author: masao

catmd.rb

@@ -0,0 +1,45 @@
+#!/usr/bin/env ruby
+
+require "liquid"
+
+class Jekyll2Markdown
+  def initialize
+    @done = {}
+    @markdown = ""
+  end
+  def to_markdown
+    @markdown
+  end
+  def <<(file)
+    cont = File.read(file)
+    markdown = cont.split(/---\r?\n/, 3).last
+    @markdown << parse_liquid(markdown)
+  end
+  def _parse_liquid(str)
+    template = Liquid::Template.parse(str, :error_mode => :strict)
+    template.render
+  end
+  def parse_liquid(str)
+    str = str.gsub(/\{::comment\}.*?\{:\/comment\}/m, "")
+    str = str.gsub("* Contents\n{:toc}", "")
+    str = str.gsub("../assets/", "assets/")
+    str = str.gsub(/{%\s*include\s+(.+?)\s*%}/) do |m|
+      file = $1.dup
+      if @done[file]
+        ""
+      else
+        @done[file] = true
+        cont = File.read(File.join("_includes", file))
+        template = Liquid::Template.parse(cont, :error_mode => :strict)
+        str = template.render
+        parse_liquid(str)
+      end
+    end
+  end
+end
+
+md = Jekyll2Markdown.new
+ARGV.each do |file|
+  md << file
+end
+puts md.to_markdown

filtertex.rb

@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+
+puts <<'EOF'
+\documentclass[dvipdfmx]{jsarticle}
+\usepackage{graphicx}
+\usepackage{url}
+\usepackage{hyperref}
+\begin{document}
+\tableofcontents
+EOF
+ARGF.each do |line|
+  line = line.gsub(/\\includegraphics{([^}]+)}/) do |m|
+    file = $1.dup
+    if file =~ /image_install_right_ctrl_[gm]\.png/
+      "\\includegraphics[height=1em]{#{file}}"
+    else
+      "\\includegraphics[width=.6\\hsize]{#{file}}"
+    end
+  end
+  #line = line.gsub(/\\url\b/, '\protect\url')
+  line = line.gsub(/\\paragraph\b/, '\paragraph[]')
+  puts line
+end
+puts '\end{document}'