Merge pull request #16 from craigw/txt-records-characters

Allow the = character in unquoted TXT content

lib/dns/zonefile.treetop

@@ -505,7 +505,7 @@ grammar Zonefile
   end
 
   rule unquoted_string
-    [a-zA-Z0-9]+ {
+    [a-zA-Z0-9=]+ {
       def to_s
         text_value
       end

spec/dns/zonefile_spec.rb

@@ -73,6 +73,7 @@
 @             TXT   "some other \\"message\\" goes here" ; embedded quotes
 long          TXT   "a multi-segment TXT record" "usually used for really long TXT records" "since each segment can only span 255 chars"
 unquoted      TXT   some text data
+with-eq       TXT   MS=example
 
 multiline     TXT   "A TXT record
 split across multiple lines
@@ -142,7 +143,7 @@
 
     it "should build the correct number of resource records" do
       zone = DNS::Zonefile.parse(@zonefile)
-      expect(zone.rr.size).to eq(50)
+      expect(zone.rr.size).to eq(51)
     end
 
     it "should build the correct NS records" do
@@ -350,7 +351,7 @@
     it "should build the correct TXT records" do
       zone = DNS::Zonefile.load(@zonefile)
       txt_records = zone.records_of DNS::Zonefile::TXT
-      expect(txt_records.size).to eq(6)
+      expect(txt_records.size).to eq(7)
 
       expect(txt_records.detect { |r|
         r.host == "_domainkey.example.com." && r.data == '"v=DKIM1\;g=*\;k=rsa\; p=4tkw1bbkfa0ahfjgnbewr2ttkvahvfmfizowl9s4g0h28io76ndow25snl9iumpcv0jwxr2k"'
@@ -372,6 +373,10 @@
         r.host == "unquoted.example.com." && r.data == 'some text data'
       }).to_not be_nil
 
+      expect(txt_records.detect { |r|
+        r.host == "with-eq.example.com." && r.data == 'MS=example'
+      }).to_not be_nil
+
       expect(txt_records.detect { |r|
         r.host == "multiline.example.com." && r.data == "\"A TXT record\nsplit across multiple lines\nwith LF and CRLF line endings\""
       }).to_not be_nil