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Class: ActionView::FileSystemResolver

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
FixtureResolver
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Resolver
Instance Chain:
self, Resolver, ::ActiveSupport::Deprecation::DeprecatedConstantAccessor
Inherits: ActionView::Resolver
Defined in: actionview/lib/action_view/template/resolver.rb

Overview

A resolver that loads files from the filesystem.

Class Attribute Summary

Resolver - Inherited

.caching?

Alias for Resolver.caching.

Class Method Summary

Resolver - Inherited

.caching

Instance Attribute Summary

Resolver - Inherited

#caching

Instance Method Summary

Resolver - Inherited

#caching?, #clear_cache,
#find_all

Normalizes the arguments and passes it on to find_templates.
#_find_all,
#find_templates

This is what child classes implement.
#all_template_paths, #built_templates

Constructor Details

.new(path) ⇒ FileSystemResolver

Raises:

  • (ArgumentError)
[ GitHub ] 

  


# File 'actionview/lib/action_view/template/resolver.rb', line 96



def initialize(path)
  raise ArgumentError, "path already is a Resolver class" if path.is_a?(Resolver)
  @unbound_templates = Concurrent::Map.new
  @path_parser = PathParser.new
  @path = File.expand_path(path)
  super()
end


  







Instance Attribute Details



  

    #path   (readonly)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 94



attr_reader :path


  







Instance Method Details



  

    #==(resolver)  
  



  

    

Alias for #eql?.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 118



alias :== :eql?


  








  

    #_find_all(name, prefix, partial, details, key, locals)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 134



def _find_all(name, prefix, partial, details, key, locals)
  requested_details = key || TemplateDetails::Requested.new(**details)
  cache = key ? @unbound_templates : Concurrent::Map.new

  unbound_templates =
    cache.compute_if_absent(TemplatePath.virtual(name, prefix, partial)) do
      path = TemplatePath.build(name, prefix, partial)
      unbound_templates_from_path(path)
    end

  filter_and_sort_by_details(unbound_templates, requested_details).map do |unbound_template|
    unbound_template.bind_locals(locals)
  end
end


  








  

    #all_template_paths  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 120



def all_template_paths # :nodoc:
  paths = template_glob("**/*")
  paths.map do |filename|
    filename.from(@path.size + 1).remove(/\.[^\/]*\z/)
  end.uniq.map do |filename|
    TemplatePath.parse(filename)
  end
end


  








  

    #build_unbound_template(template)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 153



def build_unbound_template(template)
  parsed = @path_parser.parse(template.from(@path.size + 1))
  details = parsed.details
  source = source_for_template(template)

  UnboundTemplate.new(
    source,
    template,
    details: details,
    virtual_path: parsed.path.virtual,
  )
end


  








  

    #built_templates  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 129



def built_templates # :nodoc:
  @unbound_templates.values.flatten.flat_map(&:built_templates)
end


  








  

    #clear_cache  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 104



def clear_cache
  @unbound_templates.clear
  @path_parser = PathParser.new
  super
end


  








  

    #eql?(resolver)  ⇒ Boolean 
    Also known as: #==
  



  

    
  





  


  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 115



def eql?(resolver)
  self.class.equal?(resolver.class) && to_path == resolver.to_path
end


  








  

    #escape_entry(entry)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 211



def escape_entry(entry)
  entry.gsub(/[*?{}\[\]]/, '\\\\\\&')
end


  








  

    #filter_and_sort_by_details(templates, requested_details)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 183



def filter_and_sort_by_details(templates, requested_details)
  filtered_templates = templates.select do |template|
    template.details.matches?(requested_details)
  end

  if filtered_templates.count > 1
    filtered_templates.sort_by! do |template|
      template.details.sort_key_for(requested_details)
    end
  end

  filtered_templates
end


  








  

    #source_for_template(template)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 149



def source_for_template(template)
  Template::Sources::File.new(template)
end


  








  

    #template_glob(glob)   (private)
  



  

    

Safe glob within @path


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 198



def template_glob(glob)
  query = File.join(escape_entry(@path), glob)
  path_with_slash = File.join(@path, "")

  Dir.glob(query).filter_map do |filename|
    filename = File.expand_path(filename)
    next if File.directory?(filename)
    next unless filename.start_with?(path_with_slash)

    filename
  end
end


  








  

    #to_path  
  



  

    

Alias for #to_s.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 113



alias :to_path :to_s


  








  

    #to_s  
    Also known as: #to_path
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 110



def to_s
  @path.to_s
end


  








  

    #unbound_templates_from_path(path)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/template/resolver.rb', line 166



def unbound_templates_from_path(path)
  if path.name.include?(".")
    return []
  end

  # Instead of checking for every possible path, as our other globs would
  # do, scan the directory for files with the right prefix.
  paths = template_glob("#{escape_entry(path.to_s)}*")

  paths.map do |path|
    build_unbound_template(path)
  end.select do |template|
    # Select for exact virtual path match, including case sensitivity
    template.virtual_path == path.virtual
  end
end