101 lines
2.4 KiB
Ruby
101 lines
2.4 KiB
Ruby
# inspired by
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# - https://gist.github.com/jgatjens/8925165
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# - http://simon.heimlicher.com/articles/2012/02/01/jekyll-directory-listing
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module Jekyll
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class Loopdir < Liquid::Block
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include Liquid::StandardFilters
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Syntax = /(#{Liquid::QuotedFragment}+)?/
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def initialize(tag_name, markup, tokens)
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@attributes = {}
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@attributes['path'] = nil;
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@attributes['parse'] = 'true';
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@attributes['match'] = '*';
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@attributes['sort'] = 'path';
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markup.scan(Liquid::TagAttributes) do | key, value |
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if 'path' == key
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# path can be dynamic to support includes
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@attributes['path'] = Liquid::Variable.new(value)
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else
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@attributes[key] = value.gsub /"(.*)"/, '\1'
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end
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end
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if @attributes['path'].nil?
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raise SyntaxError.new("The `path` attribute is missing for `loopdir` tag.")
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end
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if 'true' == @attributes['parse']
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@attributes['parse'] = true
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else
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@attributes['parse'] = false
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end
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super
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end
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def render(context)
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context.registers[:loopdir] ||= Hash.new(0)
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items = []
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path = @attributes['path'].render(context)
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Dir.glob(File.join(path, @attributes['match'])).each do |pathname|
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if @attributes['parse']
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item = {}
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content = File.read(pathname)
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if content =~ /^(---\s*\n.*?\n?)^(---\s*$\n?)/m
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content = $POSTMATCH
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begin
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item = YAML.load($1)
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rescue => e
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puts "YAML Exception reading #{name}: #{e.message}"
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end
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end
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item['content'] = content
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else
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context['item'] = pathname
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end
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item['name'] = File.basename(pathname, @attributes['match'].sub('*', ''))
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item['fullname'] = pathname.gsub(/\.[^\.]+$/, '')
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item['path'] = pathname
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items.push item
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end
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sortby = @attributes['sort'].gsub(/^-/, '')
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items.sort! do | x, y |
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x[sortby] <=> y[sortby]
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end
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if sortby != @attributes['sort']
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items.reverse!
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end
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context.stack do
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result = []
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items.each do | item |
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context['item'] = item
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result << render_all(@nodelist, context)
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end
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result
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end
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end
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end
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end
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Liquid::Template.register_tag('loopdir', Jekyll::Loopdir)
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