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More nrex fixes

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This commit is contained in:
Zher Huei Lee 2015-07-24 13:25:04 +01:00
parent 732bfd0baf
commit d9f1a85948
1 changed files with 16 additions and 8 deletions
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24
drivers/nrex/nrex.cpp
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@ -246,7 +246,18 @@ struct nrex_node_group : public nrex_node
{
return res;
}
if ((res >= 0) != negate)
if (negate)
{
if (res < 0)
{
res = pos + 1;
}
else
{
return -1;
}
}
if (res >= 0)
{
if (capturing >= 0)
{
@ -479,7 +490,6 @@ struct nrex_node_quantifier : public nrex_node
{
nrex_array<int> backtrack;
backtrack.push(pos);
s->complete = false;
while (backtrack.top() <= s->end)
{
if (max >= 1 && backtrack.size() > (unsigned int)max)
@ -502,7 +512,6 @@ struct nrex_node_quantifier : public nrex_node
return res;
}
}
s->complete = false;
int res = child->test(s, backtrack.top());
if (s->complete)
{
@ -516,12 +525,7 @@ struct nrex_node_quantifier : public nrex_node
}
while (greedy && (unsigned int) min < backtrack.size())
{
s->complete = false;
int res = backtrack.top();
if (s->complete)
{
return res;
}
if (next)
{
res = next->test(s, res);
@ -530,6 +534,10 @@ struct nrex_node_quantifier : public nrex_node
{
return res;
}
if (s->complete)
{
return res;
}
backtrack.pop();
}
return -1;