Class: Dimples::Sources::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/dimples/sources/base.rb

Overview

A base class representing a source file with frontmatter metadata that can be rendered.

Direct Known Subclasses

Layout, Page, Post

Constant Summary collapse

FRONT_MATTER_PATTERN = 
/^(-{3}\n.*?\n?)^(-{3}*$\n?)/m

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(site, path) ⇒ Base

Returns a new instance of Base.



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# File 'lib/dimples/sources/base.rb', line 11

def initialize(site, path)
  @site = site
  @path = File.expand_path(path)

  @metadata = default_metadata
  @contents = File.read(@path)

  parse_metadata(@contents)
  assign_metadata
end

Instance Attribute Details

#contents ⇒ Object

Returns the value of attribute contents.



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# File 'lib/dimples/sources/base.rb', line 9

def contents
  @contents
end

#metadata ⇒ Object

Returns the value of attribute metadata.



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# File 'lib/dimples/sources/base.rb', line 9

def metadata
  @metadata
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/dimples/sources/base.rb', line 9

def path
  @path
end

Instance Method Details

#assign_metadata ⇒ Object 



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# File 'lib/dimples/sources/base.rb', line 30

def assign_metadata
  @metadata.each_key do |key|
    self.class.send(:define_method, key.to_sym) { @metadata[key] }
  end
end

#output_directory ⇒ Object 



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# File 'lib/dimples/sources/base.rb', line 58

def output_directory
  @site.config[:output][:root]
end

#parse_metadata(contents) ⇒ Object 



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# File 'lib/dimples/sources/base.rb', line 22

def parse_metadata(contents)
  matches = contents.match(FRONT_MATTER_PATTERN)
  return unless matches

  @metadata.merge!(YAML.safe_load(matches[1], symbolize_names: true, permitted_classes: [Date]))
  @contents = matches.post_match.strip
end

#render(render_metadata = {}, body = nil) ⇒ Object 



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# File 'lib/dimples/sources/base.rb', line 48

def render(render_metadata = {}, body = nil)
  render_metadata[:site] ||= @site.metadata
  render_metadata[:page] ||= metadata

  output = template.render(Metadata.new(render_metadata)) { body }
  return output unless @metadata[:layout] && @site.layouts[@metadata[:layout]]

  @site.layouts[@metadata[:layout]].render(render_metadata, output)
end

#template ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/dimples/sources/base.rb', line 66

def template
  raise NotImplementedError, 'You must set a Tilt template for this class.'
end

#url_for(path) ⇒ Object 



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# File 'lib/dimples/sources/base.rb', line 62

def url_for(path)
  path.gsub(@site.config[:output][:root], '').concat('/')
end

#write(output_path = nil, metadata = {}) ⇒ Object 



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# File 'lib/dimples/sources/base.rb', line 36

def write(output_path = nil, metadata = {})
  output_path = File.join(output_directory, filename) if output_path.nil?
  output_dir = File.dirname(output_path)

  @metadata[:url] = url_for(output_dir)

  output = render(metadata)

  FileUtils.mkdir_p(output_dir) unless File.directory?(output_dir)
  File.write(output_path, output)
end