BIND 10 #2521: support generic version of rdata::createRdata(text) in RRSIG, DHCID, OPT RDATA

[BIND 10 Development]

#2521: support generic version of rdata::createRdata(text) in RRSIG, DHCID, OPT
RDATA
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |  jinmei
            Priority:  medium        |                       Status:
           Component:  libdns++      |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20130423
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  4             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |  loadzone-ng
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Changes (by pselkirk):

 * owner:  pselkirk => jinmei
 * milestone:  Sprint-20130514 => Sprint-20130423


Comment:

 I think I've addressed all your concerns.

 * I borrowed Mukund's string aggregator code from DNSKEY. (OTOH, I think
 the better long-term solution would be to add a read-to-EOL method to
 MasterLexer.)

 * I reworded the documentation for the RRSIG Original TTL field.

 * I removed the length check from the DHCID constructors (and changed the
 unit tests to match the new behavior).

 * While I was at it, I divided Rdata_RRSIG_Test.badText into a bunch of
 smaller tests, because it had grown to 25 separate checks.

-- 
Ticket URL: <https://bind10.isc.org/ticket/2521#comment:25>
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