alarsyo/spot
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

acc: introduce acc_cond::name()

Browse source 
* spot/twa/acc.cc, spot/twa/acc.hh (acc_cond::name): New method.
* spot/twaalgos/dot.cc: Use it.
* tests/python/acc_cond.ipynb: Add a small test.
* NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz 2017-11-03 18:15:58 +01:00
parent 4711dcd74f
commit bd39edde27
5 changed files with 215 additions and 86 deletions
Download patch file Download diff file Expand all files Collapse all files

158
spot/twa/acc.cc
View file

@ -1498,6 +1498,164 @@ namespace spot
}
/// Return the name of this acceptance condition, in the
/// specified format.
std::string acc_cond::name(const char* fmt) const
{
bool accentuated = false;
bool no_extra_param = false;
bool no_main_param = false;
bool no_parity_param = false;
bool abbreviate = false;
bool like_names = false;
bool other = false;
if (fmt)
while (*fmt)
switch (char c = *fmt++)
{
case '0': // no param style
no_extra_param = no_main_param = no_parity_param = true;
break;
case 'a':
accentuated = true;
break;
case 'b':
abbreviate = true;
break;
case 'd': // print_dot() style
accentuated = no_extra_param = abbreviate = like_names = true;
break;
case 'g':
no_extra_param = true;
break;
case 'l':
like_names = true;
break;
case 'm':
no_main_param = true;
break;
case 'p':
no_parity_param = true;
break;
case 'o':
other = true;
break;
case 's':
other = no_extra_param = no_main_param = no_parity_param =
like_names = true;
break;
default:
throw std::runtime_error
(std::string("unknown option for acc_cond::name(): ") + c);
}
std::ostringstream os;
auto gen = [abbreviate]()
{
return abbreviate ? "gen. " : "generalized-";
};
auto sets = [no_main_param, this]() -> std::string
{
return no_main_param ? "" : " " + std::to_string(num_sets());
};
if (is_generalized_buchi())
{
if (is_all())
os << "all";
else if (is_buchi())
os << (accentuated ? "Büchi" : "Buchi");
else
os << gen() << (accentuated ? "Büchi" : "Buchi") << sets();
}
else if (is_generalized_co_buchi())
{
if (is_none())
os << "none";
else if (is_co_buchi())
os << (accentuated ? "co-Büchi" : "co-Buchi");
else
os << gen() << (accentuated ? "co-Büchi" : "co-Buchi") << sets();
}
else
{
int r = is_rabin();
assert(r != 0);
if (r > 0)
{
os << "Rabin";
if (!no_main_param)
os << ' ' << r;
}
else
{
r = is_streett();
assert(r != 0);
if (r > 0)
{
os << "Streett";
if (!no_main_param)
os << ' ' << r;
}
else
{
std::vector<unsigned> pairs;
if (is_generalized_rabin(pairs))
{
os << gen() << "Rabin";
if (!no_main_param)
{
os << ' ' << pairs.size();
if (!no_extra_param)
for (auto p: pairs)
os << ' ' << p;
}
}
else
{
bool max = false;
bool odd = false;
if (is_parity(max, odd))
{
os << "parity";
if (!no_parity_param)
os << (max ? " max" : " min")
<< (odd ? " odd" : " even");
os << sets();
}
else if (like_names)
{
std::vector<acc_cond::rs_pair> r_pairs;
bool r_like = is_rabin_like(r_pairs);
unsigned rsz = r_pairs.size();
std::vector<acc_cond::rs_pair> s_pairs;
bool s_like = is_streett_like(s_pairs);
unsigned ssz = s_pairs.size();
if (r_like && (!s_like || (rsz <= ssz)))
{
os << "Rabin-like";
if (!no_main_param)
os << ' ' << rsz;
}
else if (s_like && (!r_like || (ssz < rsz)))
{
os << "Streett-like";
if (!no_main_param)
os << ' ' << ssz;
}
}
}
}
}
}
std::string res = os.str();
if (other && res.empty())
res = "other" + sets();
return res;
}
namespace
{