Example for issue 30, and some improvements for the CLI.

Author: gkellogg

Gemfile

@@ -8,7 +8,6 @@ group :development do
   gem 'ebnf',           github: "gkellogg/ebnf",            branch: "develop"
   gem 'sxp',            github: "dryruby/sxp.rb",           branch: "develop"
   gem 'rdf-isomorphic', github: "ruby-rdf/rdf-isomorphic",  branch: "develop"
-  gem 'rdf-turtle',     github: "ruby-rdf/rdf-turtle",      branch: "develop"
   gem 'rdf-trig',       github: "ruby-rdf/rdf-trig",        branch: "develop"
   gem 'rdf-vocab',      github: "ruby-rdf/rdf-vocab",       branch: "develop"
   gem 'rdf-xsd',        github: "ruby-rdf/rdf-xsd",         branch: "develop"

example-files/issue_30.jsonld

@@ -0,0 +1,25 @@
+[
+  {
+    "@id": "http://vocab.getty.edu/ulan/500115403",
+    "http://xmlns.com/foaf/0.1/focus": [
+      {
+        "@id": "http://vocab.getty.edu/ulan/500115403-agent"
+      }
+    ],
+    "http://www.w3.org/2004/02/skos/core#prefLabel": [
+      {
+        "@value": "Couture, Thomas"
+      }
+    ],
+    "http://www.w3.org/2004/02/skos/core#inScheme": [
+      {
+        "@id": "http://vocab.getty.edu/ulan/"
+      }
+    ],
+    "http://schema.org/url": [
+      {
+        "@id": "http://www.getty.edu/vow/ULANFullDisplay?find=&role=&nation=&subjectid=500115403"
+      }
+    ]
+  }
+]

example-files/issue_30.rb

@@ -0,0 +1,61 @@
+#! /usr/bin/env ruby
+
+require 'linkeddata'
+
+unframed_json = JSON.parse '[
+  {
+    "@id": "http://vocab.getty.edu/ulan/500115403",
+    "http://xmlns.com/foaf/0.1/focus": [
+      {
+        "@id": "http://vocab.getty.edu/ulan/500115403-agent"
+      }
+    ],
+    "http://www.w3.org/2004/02/skos/core#prefLabel": [
+      {
+        "@value": "Couture, Thomas"
+      }
+    ],
+    "http://www.w3.org/2004/02/skos/core#inScheme": [
+      {
+        "@id": "http://vocab.getty.edu/ulan/"
+      }
+    ],
+    "http://schema.org/url": [
+      {
+        "@id": "http://www.getty.edu/vow/ULANFullDisplay?find=&role=&nation=&subjectid=500115403"
+      }
+    ]
+  }
+]'
+
+frame = JSON.parse '{
+  "@explicit": true,
+  "@context": {
+    "skos": "http://www.w3.org/2004/02/skos/core#",
+    "foaf": "http://xmlns.com/foaf/0.1/",
+    "schema": "http://schema.org/",
+    "label": "skos:prefLabel",
+    "id": "@id",
+    "source": {
+      "@id": "skos:inScheme",
+      "@type": "@id"
+    },
+    "agent": {
+      "@id": "foaf:focus",
+      "@type": "@id"
+    },
+    "website": {
+      "@id": "schema:url",
+      "@type": "@id"
+    }
+  },
+  "@requireAll": false,
+  "@explicit": false,
+  "label": {},
+  "id": {},
+  "source": {},
+  "agent": {},
+  "website": {}
+}'
+
+puts JSON::LD::API.frame(unframed_json, frame, logger: STDERR).to_json(JSON::LD::JSON_STATE)

example-files/issue_30_frame.jsonld

@@ -0,0 +1,27 @@
+{
+  "@explicit": true,
+  "@context": {
+    "skos": "http://www.w3.org/2004/02/skos/core#",
+    "foaf": "http://xmlns.com/foaf/0.1/",
+    "schema": "http://schema.org/",
+    "label": "skos:prefLabel",
+    "id": "@id",
+    "source": {
+      "@id": "skos:inScheme",
+      "@type": "@id"
+    },
+    "agent": {
+      "@id": "foaf:focus",
+      "@type": "@id"
+    },
+    "website": {
+      "@id": "schema:url",
+      "@type": "@id"
+    }
+  },
+  "label": {},
+  "id": {},
+  "source": {},
+  "agent": {},
+  "website": {}
+}

json-ld.gemspec

@@ -29,6 +29,7 @@ Gem::Specification.new do |gem|
   gem.requirements          = []
   gem.add_runtime_dependency     'rdf',             '~> 2.1'
   gem.add_runtime_dependency     'multi_json',      '~> 1.12'
+  gem.add_development_dependency 'linkeddata',      '~> 2.0'
   gem.add_development_dependency 'jsonlint',        '~> 0.2' unless RUBY_ENGINE == "jruby"
   gem.add_development_dependency 'oj',              '~> 2.17'  unless RUBY_ENGINE == "jruby"
   gem.add_development_dependency 'yajl-ruby',       '~> 1.2' unless RUBY_ENGINE == "jruby"

lib/json/ld/format.rb

@@ -152,9 +152,9 @@ def self.cli_commands
           end
         },
         frame: {
-          description: "Flatten JSON-LD or parsed RDF",
+          description: "Frame JSON-LD or parsed RDF",
           parse: false,
-          help: "flatten --frame <frame-file>  files ...",
+          help: "frame --frame <frame-file>  files ...",
           lambda: ->(files, options) do
             raise ArgumentError, "Framing requires a frame" unless options[:frame]
             out = options[:output] || $stdout