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Diffstat (limited to 'site/src/main/jekyll/_plugins/include_code.rb')
-rw-r--r-- | site/src/main/jekyll/_plugins/include_code.rb | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/site/src/main/jekyll/_plugins/include_code.rb b/site/src/main/jekyll/_plugins/include_code.rb new file mode 100644 index 00000000..5d62064d --- /dev/null +++ b/site/src/main/jekyll/_plugins/include_code.rb @@ -0,0 +1,95 @@ +# Title: Include Code Tag for Jekyll +# Author: Brandon Mathis http://brandonmathis.com +# Description: Import files on your filesystem into any blog post as embedded code snippets with syntax highlighting and a download link. +# Configuration: You can set default import path in _config.yml (defaults to code_dir: downloads/code) +# +# Syntax {% include_code path/to/file %} +# +# Example 1: +# {% include_code javascripts/test.js %} +# +# This will import test.js from source/downloads/code/javascripts/test.js +# and output the contents in a syntax highlighted code block inside a figure, +# with a figcaption listing the file name and download link +# +# Example 2: +# You can also include an optional title for the <figcaption> +# +# {% include_code javascripts/test.js Example 2 %} +# +# will output a figcaption with the title: Example 2 (test.js) +# +#encoding: utf-8 + +#require 'colorator' +require 'pathname' +require './_plugins/pygments_code' + +module Jekyll + + class IncludeCodeTag < Liquid::Tag + def initialize(tag_name, markup, tokens) + @file = nil + @title_old = nil + @original_markup = markup + + opts = Octopress::Pygments.parse_markup(markup) + @options = opts.merge({ + link_text: opts[:link_text] || 'view raw', + start: opts[:start] || 1 + }) + markup = Octopress::Pygments.clean_markup(markup) + + if markup.strip =~ /(^\S*\.\S+) *(.+)?/i + @file = $1 + @options[:title] ||= $2 + elsif markup.strip =~ /(.*?)(\S*\.\S+)\Z/i # Title before file is deprecated in 2.1 + @title_old = $1 + @file = $2 + end + super + end + + def render(context) + code_dir = (context.registers[:site].config['code_dir'].sub(/^\//,'') || 'downloads/code') + code_path = (Pathname.new(context.registers[:site].source) + code_dir).expand_path + filepath = code_path + @file + + unless @title_old.nil? + @options[:title] ||= @title_old + puts "### ------------ WARNING ------------ ###".yellow + puts "This include_code syntax is deprecated ".yellow + puts "Correct syntax: path/to/file.ext [title]".yellow + puts "Update include for #{filepath}".yellow + puts "### --------------------------------- ###".yellow + end + + if File.symlink?(code_path) + puts "Code directory '#{code_path}' cannot be a symlink".yellow + return "Code directory '#{code_path}' cannot be a symlink".yellow + end + + unless filepath.file? + puts "File #{filepath} could not be found".yellow + return "File #{filepath} could not be found".yellow + end + + Dir.chdir(code_path) do + @options[:lang] ||= filepath.extname.sub('.','') + @options[:title] = @options[:title] ? "#{@options[:title]} (#{filepath.basename})" : filepath.basename + @options[:url] ||= "/#{code_dir}/#{@file}" + + code = filepath.read + code = Octopress::Pygments.get_range(code, @options[:start], @options[:end]) + begin + Octopress::Pygments.highlight(code, @options) + rescue MentosError => e + markup = "{% include_code #{@original_markup} %}" + Octopress::Pygments.highlight_failed(e, "{% include_code [title] [lang:language] path/to/file [start:#] [end:#] [range:#-#] [mark:#,#-#] [linenos:false] %}", markup, code, filepath) + end + end + end + end +end + +Liquid::Template.register_tag('include_code', Jekyll::IncludeCodeTag) |