Support for a black list of documented rules

Any rule in that black list will be skipped during build encyclopedia
generation.

This is for supporting outside documentation of rules that have a
different documentation internally.

--
MOS_MIGRATED_REVID=103958542

1 files changed, 6 insertions, 1 deletions

diff --git a/src/main/java/com/google/devtools/build/docgen/BuildEncyclopediaGenerator.java b/src/main/java/com/google/devtools/build/docgen/BuildEncyclopediaGenerator.java
index b8de243d90..d7983a1600 100644
--- a/src/main/java/com/google/devtools/build/docgen/BuildEncyclopediaGenerator.java
+++ b/src/main/java/com/google/devtools/build/docgen/BuildEncyclopediaGenerator.java
@@ -57,7 +57,8 @@ public class BuildEncyclopediaGenerator {
       try {
         BuildEncyclopediaProcessor processor = new BuildEncyclopediaProcessor(
             createRuleClassProvider());
-        processor.generateDocumentation(args[0].split(","), args.length > 1 ? args[1] : null);
+        processor.generateDocumentation(
+            args[0].split(","), getArgsOrNull(args, 1), getArgsOrNull(args, 2));
       } catch (BuildEncyclopediaDocException e) {
         fail(e, false);
       } catch (Throwable e) {
@@ -65,4 +66,8 @@ public class BuildEncyclopediaGenerator {
       }
     }
   }
+
+  private static String getArgsOrNull(String[] args, int idx) {
+    return args.length > idx ? args[idx] : null;
+  }
 }