D19999: Fix endRegion folding in rules with beginRegion+endRegion (use length=0)

[Nibaldo González]

nibags created this revision.
Herald added projects: Kate, Frameworks.
Herald added subscribers: kde-frameworks-devel, kwrite-devel.
nibags requested review of this revision.

REVISION SUMMARY
  BUG: 405585
  
  There is a problem of folding in rules with beginRegion + endRegion.
  
  Example:
  
    xml
    <StringDetect String="hello" endRegion="region1" beginRegion="region2" />
  
  In this case, the "hello" string is part of the "region1" and "region2" regions simultaneously, which generates folding problems. The ideal behavior is that "hello" isn't part of "region1", but of "region2". That is, don't publish length of endRegion folding in rules with beginRegion+endRegion.
  
  The following XML files use rules with beginRegion + endRegion:
  
    ansforth94.xml apparmor.xml asciidoc.xml asp.xml c.xml cisco.xml desktop.xml fortran.xml
    haml.xml ini.xml isocpp.xml julia.xml lex.xml lua.xml makefile.xml perl.xml pony.xml
    rhtml.xml rpmspec.xml ruby.xml template-toolkit.xml txt2tags.xml yacc.xml

REPOSITORY
  R216 Syntax Highlighting

BRANCH
  folding-endRegion-beginRegion

REVISION DETAIL
  https://phabricator.kde.org/D19999

AFFECTED FILES
  autotests/folding/Makefile.fold
  autotests/folding/folding.cpp.fold
  autotests/folding/highlight.asp.fold
  autotests/folding/highlight.cpp.fold
  autotests/folding/highlight.f90.fold
  autotests/folding/highlight.lex.fold
  autotests/folding/highlight.pl.fold
  autotests/folding/highlight.pony.fold
  autotests/folding/highlight.prg.fold
  autotests/folding/highlight.rb.fold
  autotests/folding/highlight.spec.fold
  autotests/folding/highlight.t2t.fold
  autotests/folding/highlight.y.fold
  autotests/folding/test.desktop.fold
  autotests/folding/test.ini.fold
  autotests/folding/usr.bin.apparmor-profile-test.fold
  autotests/html/test.desktop.html
  autotests/input/test.desktop
  autotests/reference/test.desktop.ref
  src/lib/abstracthighlighter.cpp

To: nibags
Cc: kwrite-devel, kde-frameworks-devel, gennad, domson, michaelh, ngraham, bruns, demsking, cullmann, sars, dhaumann
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