Merge pull request #196 from sebastian-toepfer/format_assertion_json-…

…pointer

add support for json-pointer format

vocabulary/format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/formatassertion/Formats.java

@@ -42,7 +42,8 @@ final class Formats {
         Map.entry("email", Map.entry(5321, "mailbox")),
         Map.entry("ipv4", Map.entry(2673, "dotted-quad")),
         Map.entry("uuid", Map.entry(4122, "UUID")),
-        Map.entry("ipv6", Map.entry(4291, "IPv6address"))
+        Map.entry("ipv6", Map.entry(4291, "IPv6address")),
+        Map.entry("json-pointer", Map.entry(6901, "json-pointer"))
     );
 
     Format findByName(final String name) {

vocabulary/format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/formatassertion/rfc/Rfcs.java

@@ -258,6 +258,10 @@ public final class Rfcs {
                     )
                 )
             )
+        ),
+        Map.entry(
+            6901,
+            Map.of("json-pointer", new RegExRule(Pattern.compile("^(/([\\x00-.0-}\\x7f-\\u010ffff]|\\~[01])*)*$")))
         )
     );
 

vocabulary/format-assertion/src/main/resources/rfc/rfc6901

@@ -0,0 +1,6 @@
+json-pointer    = *( "/" reference-token )
+reference-token = *( unescaped / escaped )
+unescaped       = %x00-2E / %x30-7D / %x7F-10FFFF
+   ; %x2F ('/') and %x7E ('~') are excluded from 'unescaped'
+escaped         = "~" ( "0" / "1" )
+  ; representing '~' and '/', respectively

vocabulary/format-assertion/src/test/java/io/github/sebastiantoepfer/jsonschema/vocabulary/formatassertion/FormatsTest.java

@@ -121,4 +121,10 @@ void should_found_uuidformat() {
         assertThat(new Formats().findByName("uuid").applyTo("b7128c5b-eafc-4b6b-9b35-1c9e3dbaabb1"), is(true));
         assertThat(new Formats().findByName("uuid").applyTo("b7128c5b-eafc-4b6b-9b35"), is(false));
     }
+
+    @Test
+    void should_found_jsonpointerformat() {
+        assertThat(new Formats().findByName("json-pointer").applyTo("/abc"), is(true));
+        assertThat(new Formats().findByName("json-pointer:").applyTo("abc"), is(false));
+    }
 }