BIND 10 #2431: support flexible ordering/appearance of TTL, type and class in dns::MasterLoader

[BIND 10 Development]

#2431: support flexible ordering/appearance of TTL, type and class in
dns::MasterLoader
-------------------------------------+-------------------------------------
            Reporter:  jinmei        |                        Owner:
                Type:  task          |  jinmei
            Priority:  medium        |                       Status:
           Component:  libdns++      |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20121218
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  5             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |  loadzone-ng
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
-------------------------------------+-------------------------------------
Changes (by muks):

 * owner:  muks => jinmei


Comment:

 Merged branch `trac2431_2` to master in commit
 `5cd3fa2a026c0cfadffe57b6c859f8621c17c21f`:
 {{{
 * cecd1c5 [2431] Remove obsolete comment
 * f5dc740 [2431] Throw InternalException instead of BadValue in
 parseRRParams()
 * 91455fb [2431] Add parseRRParams() description
 * 757d91f [2431] Add more testcases for missing tokens
 * 7400eee [2431] Check exception message in tests
 * 88dd03a [2431] Remove always-true operand
 * 8a49f52 [2431] Rename test
 * c41a723 [2431] Update test comment (to refer to implementation)
 * 1a7c1e3 [2431] Add comments
 * 78688fb [2431] Move TTL, class and type parsing into a helper method
 * 7450f28 [2431] removed unused variables in catch.
 * 4643f0a [2431] constify exceptions in catch.
 * 0333782 [2431] Add tests with incorrect order of class, TTL and type
 * 1f33972 [2431] Add missing 'as' in comment
 * 48a5594 [2431] Support flexible order of TTL, type and class
 }}}

 Leaving this bug open for the code refactoring in `trac2431` branch that
 still needs review.

-- 
Ticket URL: <https://bind10.isc.org/ticket/2431#comment:18>
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