BIND 10 #2518: introduce exception hierarchy for "from text" errors in libdns++

[BIND 10 Development]

#2518: introduce exception hierarchy for "from text" errors in libdns++
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            Reporter:  jinmei        |                        Owner:  muks
                Type:  task          |                       Status:
            Priority:  medium        |  reviewing
           Component:  libdns++      |                    Milestone:
            Keywords:                |  bind10-1.2-release-freeze
           Sensitive:  0             |                   Resolution:
         Sub-Project:  DNS           |                 CVSS Scoring:
Estimated Difficulty:  4             |              Defect Severity:  N/A
         Total Hours:  0             |  Feature Depending on Ticket:
                                     |  loadzone-ng
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Comment (by muks):

 Replying to [comment:7 pselkirk]:
 > I have reviewed this code, and convinced {{{make check}}} to run, and
 everything looks good. The remaining question is whether we need to do
 anything in the Python wrapper.

 The Python wrapper has been updated now. Some more reorganization was done
 and C++ unittests were also added.

 The pydnspp module still requires considerable general cleanup (including
 use of exceptions), but it's not suitable for this ticket. I think there's
 a different ticket open for it.

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Ticket URL: <http://bind10.isc.org/ticket/2518#comment:9>
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