Module: Jekyll::JekyllRdf::Helper::RdfHelper

Defined in:
lib/jekyll/helper/rdf_general_helper.rb

Overview

Internal module to hold support for functionalities like submitting sparql queries

Constant Summary collapse

@@prefixes = 
{}
@@usePage = 
false
@@resources = 
{}
@@site = 
nil
@@page = 
nil

Class Method Summary collapse

Class Method Details

.domainiri ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 100

def self.domainiri
  @@domainiri
end

.domainiri=(domain) ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 96

def self.domainiri= domain
  @@domainiri = domain
end

.load_prefixes(path, prefHolder) ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 73

def self.load_prefixes(path, prefHolder)
  begin
    prefix_file = File.new(path).readlines
    prefHolder["rdf_prefixes"] = prefix_file.join(" ")
    prefHolder["rdf_prefix_map"] = Hash[ *(prefix_file.collect { |v|
          arr = v.split(":",2)
          next [nil, nil] if arr[1].nil?
          [arr[0][7..-1].strip, arr[1].strip[1..-2]]
        }.flatten.reject {|x| x.nil?})]
  rescue Errno::ENOENT
    Jekyll.logger.error("Prefix file not found: #{path}")
    raise
  end
end

.page ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 64

def self.page
  @@page
end

.page=(page) ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 55

def self.page= page
  @@page = page
  unless @@page.data["rdf_prefixes"].nil?
    @@usePage = true
  else
    @@usePage = false
  end
end

.pathiri ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 108

def self.pathiri
  @@baseiri
end

.pathiri=(path) ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 104

def self.pathiri= path
  @@baseiri = path
end

.prefixes ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 88

def self.prefixes
  if(@@usePage)
    return @@page.data
  else
    return @@prefixes
  end
end

.prefixes=(path) ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 68

def self.prefixes= path
  @@prefixes = {}
  self.load_prefixes(path, @@prefixes)
end

.reinitialize ⇒ Object

resets RdfHelper to its initialization values



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 129

def self.reinitialize
  @@prefixes.clear
  @@usePage = false
  @@resources.clear
  @@site = nil
  @@page = nil
end

.resources(uri) ⇒ Object

Constructs and returns a Jekyll::JekyllRdf::Drops::RdfResource. If the uri refers to an already created resource, this method wont create a new resource.



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 117

def self.resources uri
  resource = @@resources[uri.to_s]
  if resource.nil?
    resource = Jekyll::JekyllRdf::Drops::RdfResource.new(RDF::URI(uri.to_s), @@site, @@page)
    @@resources[uri.to_s] = resource
  end
  return resource
end

.site ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 51

def self.site
  @@site
end

.site=(site) ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 47

def self.site= site
  @@site = site
end

.sparql ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 43

def self.sparql
  @@sparql
end

.sparql=(sparql) ⇒ Object 



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# File 'lib/jekyll/helper/rdf_general_helper.rb', line 39

def self.sparql= sparql
  @@sparql = sparql
end