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dot: quote identifiers containing a minus

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* spot/twaalgos/dot.cc: Quote identifiers containing a minus.
* tests/core/alternating.test: Add test case.
* NEWS: Mention the bug.
This commit is contained in:
Alexandre Duret-Lutz 2022-06-23 16:19:50 +02:00
parent 166a26417c
commit b4279d3a12
3 changed files with 64 additions and 5 deletions
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25
spot/twaalgos/dot.cc
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@ -578,10 +578,27 @@ namespace spot
return tmp_dst.str();
}
template<typename U, typename V>
void print_true_state(U to, V from) const
void print_hidden_true_name(unsigned to, unsigned from) const
{
os_ << " T" << to << 'T' << from << " [label=\"\", style=invis, ";
os_ << 'T' << to << 'T' << from;
}
void print_hidden_true_name(unsigned to, const std::string& from) const
{
bool neg = from[0] == '-';
if (neg)
os_ << '"';
os_ << 'T' << to << 'T' << from;
if (neg)
os_ << '"';
}
template <typename F>
void print_true_state(unsigned to, F from) const
{
os_ << " ";
print_hidden_true_name(to, from);
os_ << " [label=\"\", style=invis, ";
os_ << (opt_vertical_ ? "height=0]\n" : "width=0]\n");
}
@ -606,7 +623,7 @@ namespace spot
print_true_state(d, dest);
os_ << " " << dest << " -> ";
if (dst_is_hidden_true_state)
os_ << 'T' << d << 'T' << dest;
print_hidden_true_name(d, dest);
else
os_ << d;
if ((style && *style) || opt_id_)