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Do not output empty parse error blocks in the CGI script.

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* wrap/python/spot.i: Provide a __nonzero__() method for
parse_error_list.
* wrap/python/cgi-bin/ltl2tgba.in: Do not call format_parse_errors()
unconditionally.
This commit is contained in:
Alexandre Duret-Lutz 2011-01-17 21:52:59 +01:00
parent fe535a1594
commit dc2a89f853
3 changed files with 23 additions and 3 deletions
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7
wrap/python/cgi-bin/ltl2tgba.in
View file

@ -497,9 +497,10 @@ pel = spot.empty_parse_error_list()
f = spot.parse(formula, pel, env, show_parse)
if show_parse: print '</pre>'
print '<font color="red"><pre>'
err = spot.format_parse_errors(spot.get_cout(), formula, pel)
print '</pre></font>'
if pel:
print '<font color="red"><pre>'
err = spot.format_parse_errors(spot.get_cout(), formula, pel)
print '</pre></font>'
if not f:
print '<p><b>Aborting...</b></p>'

10
wrap/python/spot.i
View file

@ -280,3 +280,13 @@ unblock_signal(int signum)
}
%}
%extend spot::ltl::parse_error_list {
bool
__nonzero__()
{
return !self->empty();
}
}