D11940: Penalize matches in the shared project prefix path

[Milian Wolff]

mwolff created this revision.
Restricted Application added a subscriber: kdevelop-devel.
mwolff requested review of this revision.

REVISION SUMMARY
  This is a refinement of the previous patch, which isn't perfect yet:
  Assume you have a project at /A/B/C. Now, you have
  these two files in there:
  
  /A/B/C/D/file
  /A/B/C/C/E/file
  
  Note also how quickopen trims the shared prefix path when it displays
  the results:
  
  D/file
  C/E/file
  
  When you search for C/file, both files used to get the same quality,
  even though the former one matches only in the shared prefix path
  of the project.
  
  This patch adds a penalty when the match happens in the shared
  prefix. Thus, when you search for C/file you'd now get the second
  path preferred. This is imo much more desirable.
  
  The benchmark timings are still pretty much the same.

REPOSITORY
  R32 KDevelop

REVISION DETAIL
  https://phabricator.kde.org/D11940

AFFECTED FILES
  kdevplatform/language/interfaces/abbreviations.cpp
  kdevplatform/language/interfaces/abbreviations.h
  kdevplatform/language/interfaces/quickopenfilter.h
  plugins/quickopen/projectfilequickopen.h
  plugins/quickopen/tests/quickopentestbase.h
  plugins/quickopen/tests/test_quickopen.cpp

To: mwolff
Cc: kdevelop-devel
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