Class: TTL2HTML::Template

Inherits:
Object
  • Object
show all
Includes:
ERB::Util
Defined in:
lib/ttl2html/template.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(template, param = {}) ⇒ Template

Returns a new instance of Template.



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# File 'lib/ttl2html/template.rb', line 11

def initialize(template, param = {})
  @template = template
  @param = param
  @template_path = [ Dir.pwd, File.join(Dir.pwd, "templates") ]
  @template_path << File.join(File.dirname(__FILE__), "..", "..", "templates")
end

Instance Attribute Details

#param ⇒ Object (readonly)

Returns the value of attribute param.



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# File 'lib/ttl2html/template.rb', line 9

def param
  @param
end

Instance Method Details

#expand_shape(data, uri, prefixes = {}) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 52

def expand_shape(data, uri, prefixes = {})
  return nil if not data[uri]
  return nil if not data[uri]["http://www.w3.org/ns/shacl#property"]
  result = data[uri]["http://www.w3.org/ns/shacl#property"].sort_by do |e|
    e["http://www.w3.org/ns/shacl#order"]
  end.map do |property|
    path = data[property]["http://www.w3.org/ns/shacl#path"].first
    shorten_path = path.dup
    prefixes.each do |prefix, val|
      if path.index(val) == 0
        shorten_path = path.sub(/\A#{val}/, "#{prefix}:")
      end
    end
    repeatable = false
    if data[property]["http://www.w3.org/ns/shacl#maxCount"]
      max_count = data[property]["http://www.w3.org/ns/shacl#maxCount"].first.to_i
      if max_count > 1
        repeatable = true
      end
    else
      repeatable = true
    end
    nodes = nil
    if data[property]["http://www.w3.org/ns/shacl#node"]
      node = data[property]["http://www.w3.org/ns/shacl#node"].first
      if data[node]["http://www.w3.org/ns/shacl#or"]
        node_or = data[data[node]["http://www.w3.org/ns/shacl#or"].first]
        node_mode = :or
        nodes = []
        nodes << expand_shape(data, node_or["http://www.w3.org/1999/02/22-rdf-syntax-ns#first"].first, prefixes)
        rest = node_or["http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"].first
        while data[rest] do
          nodes << expand_shape(data, data[rest]["http://www.w3.org/1999/02/22-rdf-syntax-ns#first"].first, prefixes)
          rest = data[rest]["http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"].first
        end
      else
        nodes = expand_shape(data, node, prefixes)
      end
      #p nodes
    end
    {
      path: path,
      shorten_path: shorten_path,
      name: data[property]["http://www.w3.org/ns/shacl#name"].first,
      example: data[property]["http://www.w3.org/2004/02/skos/core#example"] ? data[property]["http://www.w3.org/2004/02/skos/core#example"].first : nil,
      description: data[property]["http://www.w3.org/ns/shacl#description"] ? data[property]["http://www.w3.org/ns/shacl#description"].first : nil,
      required: data[property]["http://www.w3.org/ns/shacl#minCount"] ? data[property]["http://www.w3.org/ns/shacl#minCount"].first.to_i > 0 : false,
      repeatable: repeatable,
      nodeKind: data[property]["http://www.w3.org/ns/shacl#nodeKind"] ? data[property]["http://www.w3.org/ns/shacl#nodeKind"].first : nil,
      nodes: nodes,
      node_mode: node_mode,
    }
  end
  template = "shape-table.html.erb"
  tmpl = Template.new(template)
  tmpl.to_html_raw(template, {properties: result})
end

#find_template_path(fname) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 40

def find_template_path(fname)
  if @param[:template_dir] and Dir.exist?(@param[:template_dir])
    @template_path.unshift(@param[:template_dir])
    @template_path.uniq!
  end
  @template_path.each do |dir|
    file = File.join(dir, fname)
    return file if File.exist? file
  end
  return nil
end

#format_object(object, data) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 157

def format_object(object, data)
  if object =~ /\Ahttps?:\/\//
    rel_path = relative_path_uri(object, param[:base_uri])
    if data[object]
      "<a href=\"#{rel_path}\">#{get_title(param[:data_global][object]) or object}</a>"
    else
      "<a href=\"#{rel_path}\">#{object}</a>"
    end
  elsif object =~ /\A_:/ and param[:data_global][object]
    format_triples(param[:data_global][object])
  else
    object
  end
end

#format_property(property, labels = {}) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 150

def format_property(property, labels = {})
  if labels and labels[property]
    labels[property]
  else
    property.split(/[\/\#]/).last.capitalize
  end
end

#format_triples(triples) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 171

def format_triples(triples)
  param_local = @param.merge(data: triples)
  to_html_raw("triples.html.erb", param_local)
end

#get_language_literal(object) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 141

def get_language_literal(object)
  if object.respond_to? :has_key?
    object.values.first
  elsif object.is_a? Array
    object.first
  else
    object
  end
end

#get_title(data, default_title = "no title") ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 126

def get_title(data, default_title = "no title")
  if @param[:title_property] and data[@param[:title_property]]
    return get_language_literal(data[@param[:title_property]])
  end
  %w(
    http://www.w3.org/2000/01/rdf-schema#label
    http://purl.org/dc/terms/title
    http://purl.org/dc/elements/1.1/title
    http://schema.org/name
    http://www.w3.org/2004/02/skos/core#prefLabel
  ).each do |property|
    return get_language_literal(data[property]) if data[property]
  end
  default_title
end

#output_to(file, param = {}) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 17

def output_to(file, param = {})
  @param.update(param)
  @param[:output_file] = file
  dir = File.dirname(file)
  FileUtils.mkdir_p(dir) if not File.exist?(dir)
  open(file, "w") do |io|
    io.print to_html(@param)
  end
end

#relative_path(dest) ⇒ Object

helper method:



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# File 'lib/ttl2html/template.rb', line 111

def relative_path(dest)
  src = @param[:output_file]
  src = Pathname.new(src).relative_path_from(Pathname.new(@param[:output_dir])) if @param[:output_dir]
  path = Pathname(dest).relative_path_from(Pathname(File.dirname src))
  path = path.to_s + "/" if File.directory? path
  path
end

#relative_path_uri(dest_uri, base_uri) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 118

def relative_path_uri(dest_uri, base_uri)
  if dest_uri.start_with? base_uri
    dest = dest_uri.sub(base_uri, "")
    relative_path(dest)
  else
    dest_uri
  end
end

#to_html(param) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 26

def to_html(param)
  param[:content] = to_html_raw(@template, param)
  layout_fname = "layout.html.erb"
  to_html_raw(layout_fname, param)
end

#to_html_raw(template, param) ⇒ Object 



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# File 'lib/ttl2html/template.rb', line 31

def to_html_raw(template, param)
  @param.update(param)
  template = find_template_path(template)
  tmpl = open(template){|io| io.read }
  erb = ERB.new(tmpl, nil, "-")
  erb.filename = template
  erb.result(binding)
end