From 72ad04159683e8958ff957695fc9bb224fc376ca Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Mon, 28 Nov 2016 21:22:41 +0000
Subject: Parse break style mappings

---
 lib/style-reader.js        | 24 +++++++++++++++++++++++-
 test/style-reader.tests.js | 21 +++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/lib/style-reader.js b/lib/style-reader.js
index 20cdb56..3a71ef6 100644
--- a/lib/style-reader.js
+++ b/lib/style-reader.js
@@ -139,13 +139,35 @@ function documentMatcherRule() {
     var strikethrough = identifierToConstant("strike", documentMatchers.strikethrough);
     var commentReference = identifierToConstant("comment-reference", documentMatchers.commentReference);
     
+    var breakMatcher = sequence(
+        lop.rules.token("identifier", "br"),
+        sequence.cut(),
+        lop.rules.tokenOfType("open-square-bracket"),
+        lop.rules.token("identifier", "type"),
+        lop.rules.tokenOfType("equals"),
+        sequence.capture(stringRule),
+        lop.rules.tokenOfType("close-square-bracket")
+    ).map(function(breakType) {
+        switch (breakType) {
+        case "line":
+            return documentMatchers.lineBreak;
+        case "page":
+            return documentMatchers.pageBreak;
+        case "column":
+            return documentMatchers.columnBreak;
+        default:
+            // TODO: handle unknown document matchers
+        }
+    });
+    
     return lop.rules.firstOf("element type",
         paragraphOrRun,
         bold,
         italic,
         underline,
         strikethrough,
-        commentReference
+        commentReference,
+        breakMatcher
     );
 }
 
diff --git a/test/style-reader.tests.js b/test/style-reader.tests.js
index 6092bb9..96c0c39 100644
--- a/test/style-reader.tests.js
+++ b/test/style-reader.tests.js
@@ -164,6 +164,27 @@ test("styleReader.readDocumentMatcher", {
             "comment-reference",
             documentMatchers.commentReference
         );
+    },
+    
+    "reads line breaks": function() {
+        assertDocumentMatcher(
+            "br[type='line']",
+            documentMatchers.lineBreak
+        );
+    },
+    
+    "reads page breaks": function() {
+        assertDocumentMatcher(
+            "br[type='page']",
+            documentMatchers.pageBreak
+        );
+    },
+    
+    "reads column breaks": function() {
+        assertDocumentMatcher(
+            "br[type='column']",
+            documentMatchers.columnBreak
+        );
     }
 });
     
-- 
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