Add JSON-LD Lexer.

Adapted from PR 289.

3 files changed, 51 insertions, 2 deletions

diff --git a/pygments/lexers/_mapping.py b/pygments/lexers/_mapping.py
index 8ee280ca..6d7c94df 100644
--- a/pygments/lexers/_mapping.py
+++ b/pygments/lexers/_mapping.py
@@ -176,6 +176,7 @@ LEXERS = {
     'JavascriptLexer': ('pygments.lexers.javascript', 'JavaScript', ('js', 'javascript'), ('*.js',), ('application/javascript', 'application/x-javascript', 'text/x-javascript', 'text/javascript')),
     'JavascriptPhpLexer': ('pygments.lexers.templates', 'JavaScript+PHP', ('js+php', 'javascript+php'), (), ('application/x-javascript+php', 'text/x-javascript+php', 'text/javascript+php')),
     'JavascriptSmartyLexer': ('pygments.lexers.templates', 'JavaScript+Smarty', ('js+smarty', 'javascript+smarty'), (), ('application/x-javascript+smarty', 'text/x-javascript+smarty', 'text/javascript+smarty')),
+    'JsonLdLexer': ('pygments.lexers.data', 'JSON-LD', ('json-ld',), ('*.jsonld',), ('application/json-ld',)),
     'JsonLexer': ('pygments.lexers.data', 'JSON', ('json',), ('*.json',), ('application/json',)),
     'JspLexer': ('pygments.lexers.templates', 'Java Server Page', ('jsp',), ('*.jsp',), ('application/x-jsp',)),
     'JuliaConsoleLexer': ('pygments.lexers.julia', 'Julia console', ('jlcon',), (), ()),
diff --git a/pygments/lexers/data.py b/pygments/lexers/data.py
index 6b7cc107..6ea331f6 100644
--- a/pygments/lexers/data.py
+++ b/pygments/lexers/data.py
@@ -12,11 +12,11 @@
 import re
 
 from pygments.lexer import RegexLexer, ExtendedRegexLexer, LexerContext, \
-    include, bygroups
+    include, bygroups, inherit
 from pygments.token import Text, Comment, Keyword, Name, String, Number, \
     Punctuation, Literal
 
-__all__ = ['YamlLexer', 'JsonLexer']
+__all__ = ['YamlLexer', 'JsonLexer', 'JsonLdLexer']
 
 
 class YamlLexerContext(LexerContext):
@@ -507,3 +507,24 @@ class JsonLexer(RegexLexer):
             include('value'),
         ],
     }
+
+class JsonLdLexer(JsonLexer):
+    """
+    For `JSON-LD <http://json-ld.org/>`_ linked data.
+
+    .. versionadded:: 2.0
+    """
+
+    name = 'JSON-LD'
+    aliases = ['jsonld', 'json-ld']
+    filenames = ['*.jsonld']
+    mimetypes = ['application/ld+json']
+
+    tokens = {
+        'objectvalue': [
+            (r'"@(context|id|value|language|type|container|list|set|'
+             r'reverse|index|base|vocab|graph)"', Name.Decorator,
+             'objectattribute'),
+            inherit,
+        ],
+    }
diff --git a/tests/examplefiles/example.jsonld b/tests/examplefiles/example.jsonld
new file mode 100644
index 00000000..48787d75
--- /dev/null
+++ b/tests/examplefiles/example.jsonld
@@ -0,0 +1,27 @@
+{
+  "@context": {
+     "schema": "http://schema.org/",
+     "name": "schema:name",
+     "body": "schema:articleBody",
+     "words": "schema:wordCount",
+     "post": {
+       "@id": "schema:blogPost",
+       "@container": "@index"
+     }
+  },
+  "@id": "http://example.com/",
+  "@type": "schema:Blog",
+  "name": "World Financial News",
+  "post": {
+     "en": {
+       "@id": "http://example.com/posts/1/en",
+       "body": "World commodities were up today with heavy trading of crude oil...",
+       "words": 1539
+     },
+     "de": {
+       "@id": "http://example.com/posts/1/de",
+       "body": "Die Werte an Warenbörsen stiegen im Sog eines starken Handels von Rohöl...",
+       "words": 1204
+     }
+  }
+}