titlecase, rubypants for post content, more stuff from octopress

Gemfile

@@ -5,3 +5,5 @@ source "https://rubygems.org"
 gem 'jekyll', '~>1.3.0'
 gem 'mini_magick', '~>3.6.0'
 gem 'fileutils', '~>0.7'
+gem 'rubypants', '~> 0.2.0'
+gem 'gsl', '~> 1.15.3'

Gemfile.lock

@@ -10,6 +10,8 @@ GEM
     ffi (1.9.3)
     fileutils (0.7)
       rmagick (>= 2.13.1)
+    gsl (1.15.3)
+      narray (>= 0.5.9)
     highline (1.6.20)
     jekyll (1.3.1)
       classifier (~> 1.3)
@@ -30,6 +32,7 @@ GEM
       syntax (>= 1.0.0)
     mini_magick (3.6.0)
       subexec (~> 0.2.1)
+    narray (0.6.0.8)
     posix-spawn (0.3.6)
     pygments.rb (0.5.4)
       posix-spawn (~> 0.3.6)
@@ -41,6 +44,7 @@ GEM
       ffi (>= 0.5.0)
     redcarpet (2.3.0)
     rmagick (2.13.2)
+    rubypants (0.2.0)
     safe_yaml (0.9.7)
     subexec (0.2.3)
     syntax (1.0.0)
@@ -51,5 +55,7 @@ PLATFORMS
 
 DEPENDENCIES
   fileutils (~> 0.7)
+  gsl (~> 1.15.3)
   jekyll (~> 1.3.0)
   mini_magick (~> 3.6.0)
+  rubypants (~> 0.2.0)

_src/_includes/index.html

@@ -5,7 +5,7 @@
     	<header>
     		<h1 class="entry-title">
                 <a href="{{ post.linkurl }}" title="Go to source: {{ post.linkurl | remove:'http://' | remove:'https://' | remove:'www.' }}">
-                    {{ post.title }} <i class="icon-forward"></i>
+                    {{ post.title | titlecase }} <i class="icon-forward"></i>
                     <span class="linkurl">{{ post.linkurl | remove:'http://' | remove:'https://' | remove:'www.' | split:'/' | first }}</span>
                 </a>
             </h1>
@@ -29,7 +29,7 @@
             
                 {% picture {{ post.image }} %}
             
-        		<figcaption class="entry-title fn">{{ post.title }}</figcaption>
+        		<figcaption class="entry-title fn">{{ post.title | titlecase }}</figcaption>
         	</figure>
         </a>
 
@@ -39,7 +39,7 @@
 
     <article class="hentry format-post">
     	<header>
-    		<h1 class="entry-title"><a href="{{ post.url }}">{{ post.title }}</a></h1>
+    		<h1 class="entry-title"><a href="{{ post.url }}">{{ post.title | titlecase }}</a></h1>
     	</header>
 
         <section class="entry-content">

_src/_layouts/category_index.html

@@ -17,7 +17,7 @@ layout: base
 
             <article class="hentry goodie">
             	<header>
-            		<h1 class="entry-title"><a href="{{ post.url }}">{{ post.title }}</a></h1>
+            		<h1 class="entry-title"><a href="{{ post.url }}">{{ post.title | titlecase }}</a></h1>
             	</header>
 
                 <section class="entry-content">
@@ -58,3 +58,5 @@ layout: base
     {% endif %}
 
 </section>
+
+{% include paginator.html %}

_src/_layouts/link.html

@@ -8,7 +8,7 @@ layout: base
     	<header>
     		<h1 class="entry-title">
                 <a href="{{ post.linkurl }}" title="Go to source: {{ page.linkurl | remove:'http://' | remove:'https://' | remove:'www.' }}">
-                    {{ page.title }} <i class="icon-forward"></i>
+                    {{ page.title | titlecase }} <i class="icon-forward"></i>
                     <span class="linkurl">{{ page.linkurl | remove:'http://' | remove:'https://' | remove:'www.' | split:'/' | first }}</span>
                 </a>
             </h1>

_src/_layouts/photo.html

@@ -10,7 +10,7 @@ layout: base
         
             {% picture {{ page.image }} %}
         
-            <figcaption class="entry-title fn">{{ page.title }}</figcaption>
+            <figcaption class="entry-title fn">{{ page.title | titlecase }}</figcaption>
             
     	</figure>
     

_src/_layouts/post.html

@@ -6,7 +6,7 @@ layout: base
     
     <article class="hentry format-post">
     	<header>
-    		<h1 class="entry-title">{{ page.title }}</h1>
+    		<h1 class="entry-title">{{ page.title | titlecase }}</h1>
     	</header>
 
         <section class="entry-content">
@@ -14,7 +14,7 @@ layout: base
                 {% picture {{ page.image }} class="teaser" %}
             {% endif %}
         
-            {{ content }}
+            {{ content | condense_spaces }}
         </section>
         
         {% include entry_meta.html %}

_src/_plugins/octopress_filters.rb

@@ -1,8 +1,37 @@
-# Filters taken from the Octopress project by Brandon Mathis.
-# https://github.com/imathis/octopress/blob/master/plugins/octopress_filters.rb
-module Jekyll
+#custom filters for Octopress
+require './_src/_plugins/post_filters.rb'
+require './_src/_plugins/raw.rb'
+require 'rubypants'
 
-  module Filters
+module OctopressFilters
+  include TemplateWrapper
+  def pre_filter(input)
+    input = input
+  end
+  def post_filter(input)
+    input = unwrap(input)
+    RubyPants.new(input).to_html
+  end
+end
+
+module Jekyll
+  class ContentFilters < PostFilter
+    include OctopressFilters
+    def pre_render(post)
+      if post.ext.match('html|textile|markdown|md|haml|slim|xml')
+        post.content = pre_filter(post.content)
+      end
+    end
+    def post_render(post)
+      if post.ext.match('html|textile|markdown|md|haml|slim|xml')
+        post.content = post_filter(post.content)
+      end
+    end
+  end
+end
+
+
+module OctopressLiquidFilters
 
   # Used on the blog index to split posts on the <!--more--> marker
   def excerpt(input)
@@ -14,10 +43,31 @@ module Jekyll
   end
 
   # Checks for excerpts (helpful for template conditionals)
-    def has_more(input)
+  def has_excerpt(input)
     input =~ /<!--\s*more\s*-->/i ? true : false
   end
 
+  # Summary is used on the Archive pages to return the first block of content from a post.
+  def summary(input)
+    if input.index(/\n\n/)
+      input.split(/\n\n/)[0]
+    else
+      input
+    end
+  end
+
+  # Extracts raw content DIV from template, used for page description as {{ content }}
+  # contains complete sub-template code on main page level
+  def raw_content(input)
+    /<div class="entry-content">(?<content>[\s\S]*?)<\/div>\s*<(footer|\/article)>/ =~ input
+    return (content.nil?) ? input : content
+  end
+
+  # Escapes CDATA sections in post content
+  def cdata_escape(input)
+    input.gsub(/<!\[CDATA\[/, '&lt;![CDATA[').gsub(/\]\]>/, ']]&gt;')
+  end
+
   # Replaces relative urls with full urls
   def expand_urls(input, url='')
     url ||= '/'
@@ -26,7 +76,52 @@ module Jekyll
     end
   end
 
+  # Improved version of Liquid's truncate:
+  # - Doesn't cut in the middle of a word.
+  # - Uses typographically correct ellipsis (…) insted of '...'
+  def truncate(input, length)
+    if input.length > length && input[0..(length-1)] =~ /(.+)\b.+$/im
+      $1.strip + ' &hellip;'
+    else
+      input
+    end
+  end
+
+  # Improved version of Liquid's truncatewords:
+  # - Uses typographically correct ellipsis (…) insted of '...'
+  def truncatewords(input, length)
+    truncate = input.split(' ')
+    if truncate.length > length
+      truncate[0..length-1].join(' ').strip + ' &hellip;'
+    else
+      input
+    end
+  end
+
+  # Condenses multiple spaces and tabs into a single space
+  def condense_spaces(input)
+    input.gsub(/\s{2,}/, ' ')
+  end
+
+  # Removes trailing forward slash from a string for easily appending url segments
+  def strip_slash(input)
+    if input =~ /(.+)\/$|^\/$/
+      input = $1
+    end
+    input
+  end
+
+  # Returns a url without the protocol (http://)
+  def shorthand_url(input)
+    input.gsub /(https?:\/\/)(\S+)/ do
+      $2
+    end
+  end
+
+  # Returns a title cased string based on John Gruber's title case http://daringfireball.net/2008/08/title_case_update
+  def titlecase(input)
+    input.titlecase
   end
 
 end
-Liquid::Template.register_filter(Jekyll::Filters)
+Liquid::Template.register_filter OctopressLiquidFilters

_src/_plugins/post_filters.rb

@@ -0,0 +1,176 @@
+module Jekyll
+
+  # Extended plugin type that allows the plugin
+  # to be called on varous callback methods.
+  #
+  # Examples:
+  # https://github.com/tedkulp/octopress/blob/master/plugins/post_metaweblog.rb
+  # https://github.com/tedkulp/octopress/blob/master/plugins/post_twitter.rb
+  class PostFilter < Plugin
+
+    #Called before post is sent to the converter. Allows
+    #you to modify the post object before the converter
+    #does it's thing
+    def pre_render(post)
+    end
+
+    #Called after the post is rendered with the converter.
+    #Use the post object to modify it's contents before the
+    #post is inserted into the template.
+    def post_render(post)
+    end
+
+    #Called after the post is written to the disk.
+    #Use the post object to read it's contents to do something
+    #after the post is safely written.
+    def post_write(post)
+    end
+  end
+
+  # Monkey patch for the Jekyll Site class. For the original class,
+  # see: https://github.com/mojombo/jekyll/blob/master/lib/jekyll/site.rb
+  class Site
+
+    # Instance variable to store the various post_filter
+    # plugins that are loaded.
+    attr_accessor :post_filters
+
+    # Instantiates all of the post_filter plugins. This is basically
+    # a duplication of the other loaders in Site#setup.
+    def load_post_filters
+      self.post_filters = Jekyll::PostFilter.subclasses.select do |c|
+        !self.safe || c.safe
+      end.map do |c|
+        c.new(self.config)
+      end
+    end
+  end
+
+  # Monkey patch for the Jekyll Post class. For the original class,
+  # see: https://github.com/mojombo/jekyll/blob/master/lib/jekyll/post.rb
+  class Post
+
+    # Copy the #write method to #old_write, so we can redefine #write
+    # method.
+    alias_method :old_write, :write
+
+    # Write the generated post file to the destination directory. It
+    # then calls any post_write methods that may exist.
+    #   +dest+ is the String path to the destination dir
+    #
+    # Returns nothing
+    def write(dest)
+      old_write(dest)
+      post_write if respond_to?(:post_write)
+    end
+  end
+
+  # Monkey patch for the Jekyll Page class. For the original class,
+  # see: https://github.com/mojombo/jekyll/blob/master/lib/jekyll/page.rb
+  class Page
+
+    # Copy the #write method to #old_write, so we can redefine #write
+    # method.
+    alias_method :old_write, :write
+
+    # Write the generated post file to the destination directory. It
+    # then calls any post_write methods that may exist.
+    #   +dest+ is the String path to the destination dir
+    #
+    # Returns nothing
+    def write(dest)
+      old_write(dest)
+      post_write if respond_to?(:post_write)
+    end
+  end
+
+  # Monkey patch for the Jekyll Convertible module. For the original class,
+  # see: https://github.com/mojombo/jekyll/blob/master/lib/jekyll/convertible.rb
+  module Convertible
+
+    def is_post?
+      self.class.to_s == 'Jekyll::Post'
+    end
+
+    def is_page?
+      self.class.to_s == 'Jekyll::Page'
+    end
+
+    def is_filterable?
+      is_post? or is_page?
+    end
+
+    # Call the #pre_render methods on all of the loaded
+    # post_filter plugins.
+    #
+    # Returns nothing
+    def pre_render
+      self.site.load_post_filters unless self.site.post_filters
+
+      if self.site.post_filters and is_filterable?
+        self.site.post_filters.each do |filter|
+          filter.pre_render(self)
+        end
+      end
+    end
+
+    # Call the #post_render methods on all of the loaded
+    # post_filter plugins.
+    #
+    # Returns nothing
+    def post_render
+      if self.site.post_filters and is_filterable?
+        self.site.post_filters.each do |filter|
+          filter.post_render(self)
+        end
+      end
+    end
+
+    # Call the #post_write methods on all of the loaded
+    # post_filter plugins.
+    #
+    # Returns nothing
+    def post_write
+      if self.site.post_filters and is_filterable?
+        self.site.post_filters.each do |filter|
+          filter.post_write(self)
+        end
+      end
+    end
+
+    # Copy the #transform method to #old_transform, so we can
+    # redefine #transform method.
+    alias_method :old_transform, :transform
+
+    # Transform the contents based on the content type. Then calls the
+    # #post_render method if it exists
+    #
+    # Returns nothing.
+    def transform
+      old_transform
+      post_render if respond_to?(:post_render)
+    end
+
+    # Copy the #do_layout method to #old_do_layout, so we can
+    # redefine #do_layout method.
+    alias_method :old_do_layout, :do_layout
+
+    # Calls the pre_render method if it exists and then adds any necessary
+    # layouts to this convertible document.
+    #
+    # payload - The site payload Hash.
+    # layouts - A Hash of {"name" => "layout"}.
+    #
+    # Returns nothing.
+    def do_layout(payload, layouts)
+      pre_render if respond_to?(:pre_render)
+      old_do_layout(payload, layouts)
+    end
+
+    # Returns the full url of the post, including the
+    # configured url
+    def full_url
+      self.site.config['url'] + self.url
+    end
+  end
+end

_src/_plugins/raw.rb

@@ -0,0 +1,40 @@
+# Author: Brandon Mathis
+# Description: Provides plugins with a method for wrapping and unwrapping input to prevent Markdown and Textile from parsing it.
+# Purpose: This is useful for preventing Markdown and Textile from being too aggressive and incorrectly parsing in-line HTML.
+module TemplateWrapper
+  # Wrap input with a <div>
+  def safe_wrap(input)
+    "<div class='bogus-wrapper'><notextile>#{input}</notextile></div>"
+  end
+  # This must be applied after the
+  def unwrap(input)
+    input.gsub /<div class='bogus-wrapper'><notextile>(.+?)<\/notextile><\/div>/m do
+      $1
+    end
+  end
+end
+
+# Author: phaer, https://github.com/phaer
+# Source: https://gist.github.com/1020852
+# Description: Raw tag for jekyll. Keeps liquid from parsing text betweeen {% raw %} and {% endraw %}
+
+module Jekyll
+  class RawTag < Liquid::Block
+    def parse(tokens)
+      @nodelist ||= []
+      @nodelist.clear
+
+      while token = tokens.shift
+        if token =~ FullToken
+          if block_delimiter == $1
+            end_tag
+            return
+          end
+        end
+        @nodelist << token if not token.empty?
+      end
+    end
+  end
+end
+
+Liquid::Template.register_tag('raw', Jekyll::RawTag)

_src/_plugins/titlecase.rb

@@ -0,0 +1,36 @@
+class String
+  def titlecase
+    small_words = %w(a an and as at but by en for if in of on or the to v v. via vs vs. ezeep)
+
+    x = split(" ").map do |word|
+      # note: word could contain non-word characters!
+      # downcase all small_words, capitalize the rest
+      small_words.include?(word.gsub(/\W/, "").downcase) ? word.downcase! : word.smart_capitalize!
+      word
+    end
+    # capitalize first and last words
+    #x.first.to_s.smart_capitalize!
+    #x.last.to_s.smart_capitalize!
+    # small words are capitalized after colon, period, exclamation mark, question mark
+    x.join(" ").gsub(/(:|\.|!|\?)\s?(\W*#{small_words.join("|")}\W*)\s/) { "#{$1} #{$2.smart_capitalize} " }
+  end
+
+  def titlecase!
+    replace(titlecase)
+  end
+
+  def smart_capitalize
+    # ignore any leading crazy characters and capitalize the first real character
+    if self =~ /^['"\(\[']*([a-z])/
+      i = index($1)
+      x = self[i,self.length]
+      # word with capitals and periods mid-word are left alone
+      self[i,1] = self[i,1].upcase unless x =~ /[A-Z]/ or x =~ /\.\w+/
+    end
+    self
+  end
+
+  def smart_capitalize!
+    replace(smart_capitalize)
+  end
+end

_src/search.json

@@ -3,7 +3,7 @@
 [
     {% for post in site.posts %}
         {
-          "title"     : "{{ post.title | escape }}",
+          "title"     : "{{ post.title | escape | titlecase }}",
           "category"  : "{{ post.categories }}",
           "url"       : "{{ post.url }}",
           "date"      : "{{ post.date }}",