Hi Dave,
Thanks for finding and fixing this bug!  Jimmy incorporated your changes
into the code in trunk, and will be included with the next release.
--Luis



On Tue, Aug 27, 2013 at 1:19 PM, Dave Trudgian <
[email protected]> wrote:

> I've come across an issue with InteractParser on some Comet data files. In
> the PepXML that Comet produces sometimes the last
> <search_result></search_result> block in the file is empty (no
> peptide-spectrum match for the spectrum?). In this case InteractParser
> fails to write the </msms_run_summary> and </analysis_summary> tags through
> into the interact.pep.xml output.
>
> E.g. from Comet last 10 lines are:
>
>     <search_score name="expect" value="0.00E+00"/>
>    </search_hit>
>   </search_result>
>  </spectrum_query>
>  <spectrum_query spectrum="HeLa_GluC_pH6_CID_3xload.37816.37816.6"
> start_scan="37816" end_scan="37816" precursor_neutral_mass="7740.7671"
> assumed_charge="6" index="32020" retention_time_sec="12964.2">
>   <search_result>
>   </search_result>
>  </spectrum_query>
>  </msms_run_summary>
> </msms_pipeline_analysis>
>
> After InteractParser this is truncated incorrectly to the last spectrum
> query_block that had a search result, missing the final end tags to close
> the pepxml.
>
> <search_score name="expect" value="0.00E+00"/>
> </search_hit>
> </search_result>
> </spectrum_query>
>
>
> I've put a quick and dirty fix in InteractParser.cxx after line 630 which
> fixes this, and doesn't appear to break anything. Not sure this is the
> correct way to do it given the rest of the parsing logic though:
>
>   // DCT
>   // Always stop skipping if we hit an msms_run_summary closing tag.
>   // Fix for issue where end of file is not written if last search_result
>   // is empty, as observed on a Comet output file
>   if(! strcmp(tag->getName(), "msms_run_summary") ) {
>     if (tag->isEnd()) {
>       tag_cache->clear();
>       output = True;
>       skip_hit = False;
>       skip_spec = False;
>     }
>   }
>
>
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