From 1425e365a53b4a2ff3ecd12c754da453b7aa026f Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 13 Feb 2016 18:41:35 +0000
Subject: Warn when referenced style is not defined

---
 src/main/java/org/zwobble/mammoth/docx/ReadResult.java | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'src/main/java/org/zwobble/mammoth/docx/ReadResult.java')

diff --git a/src/main/java/org/zwobble/mammoth/docx/ReadResult.java b/src/main/java/org/zwobble/mammoth/docx/ReadResult.java
index 9fd2e6c..7c672b2 100644
--- a/src/main/java/org/zwobble/mammoth/docx/ReadResult.java
+++ b/src/main/java/org/zwobble/mammoth/docx/ReadResult.java
@@ -1,11 +1,12 @@
 package org.zwobble.mammoth.docx;
 
 import com.google.common.collect.ImmutableList;
-import org.zwobble.mammoth.results.Result;
 import org.zwobble.mammoth.documents.DocumentElement;
+import org.zwobble.mammoth.results.Result;
 import org.zwobble.mammoth.results.Warning;
 
 import java.util.List;
+import java.util.function.BiFunction;
 import java.util.function.Function;
 
 import static org.zwobble.mammoth.util.MammothLists.list;
@@ -23,6 +24,20 @@ public class ReadResult {
         return new ReadResult(elements.build(), warnings.build());
     }
 
+    public static <T> ReadResult map(
+        Result<T> first,
+        ReadResult second,
+        BiFunction<T, List<DocumentElement>, DocumentElement> function)
+    {
+        ImmutableList.Builder<Warning> warnings = ImmutableList.builder();
+        warnings.addAll(first.getWarnings());
+        warnings.addAll(second.warnings);
+
+        return new ReadResult(
+            list(function.apply(first.getValue(), second.elements)),
+            warnings.build());
+    }
+
     public static ReadResult success(DocumentElement element) {
         return success(list(element));
     }
-- 
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