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//-----------------------------------------------------------------------------
/** @file libpentobi_base/NodeUtil.cpp
@author Markus Enzenberger
@copyright GNU General Public License version 3 or later */
//-----------------------------------------------------------------------------
#include "NodeUtil.h"
namespace libpentobi_base {
using libboardgame_base::InvalidProperty;
//-----------------------------------------------------------------------------
bool has_move(const SgfNode& node, Variant variant)
{
// See also comment in get_move()
switch (get_nu_colors(variant))
{
case 2:
for (auto& prop : node.get_properties())
{
auto& id = prop.id;
if (id == "B" || id == "W" || id == "1" || id == "2"
|| id == "BLUE" || id == "GREEN")
return true;
}
break;
case 3:
for (auto& prop : node.get_properties())
{
auto& id = prop.id;
if (id == "1" || id == "2" || id == "3" || id == "BLUE"
|| id == "YELLOW" || id == "RED")
return true;
}
break;
case 4:
for (auto& prop : node.get_properties())
{
auto& id = prop.id;
if (id == "1" || id == "2" || id == "3" || id == "4"
|| id == "BLUE" || id == "YELLOW" || id == "RED"
|| id == "GREEN")
return true;
}
break;
default:
LIBBOARDGAME_ASSERT(false);
}
return false;
}
bool get_move(const SgfNode& node, Variant variant, Color& c,
MovePoints& points)
{
auto nu_colors = get_nu_colors(variant);
string id;
// Pentobi 0.1 used BLUE/YELLOW/RED/GREEN instead of 1/2/3/4 as suggested
// by SGF FF[5]. Pentobi 12.0 erroneosly used 1/2 for two-player Callisto
// instead of B/W. We still want to be able to read files written by older
// versions. They will be converted to the current format by
// PentobiTreeWriter.
if (nu_colors == 2)
{
if (node.has_property("B"))
{
id = "B";
c = Color(0);
}
else if (node.has_property("W"))
{
id = "W";
c = Color(1);
}
else if (node.has_property("1"))
{
id = "1";
c = Color(0);
}
else if (node.has_property("2"))
{
id = "2";
c = Color(1);
}
else if (node.has_property("BLUE"))
{
id = "BLUE";
c = Color(0);
}
else if (node.has_property("GREEN"))
{
id = "GREEN";
c = Color(1);
}
}
else
{
if (node.has_property("1"))
{
id = "1";
c = Color(0);
}
else if (node.has_property("2"))
{
id = "2";
c = Color(1);
}
else if (node.has_property("3"))
{
id = "3";
c = Color(2);
}
else if (node.has_property("4"))
{
id = "4";
c = Color(3);
}
else if (node.has_property("BLUE"))
{
id = "BLUE";
c = Color(0);
}
else if (node.has_property("YELLOW"))
{
id = "YELLOW";
c = Color(1);
}
else if (node.has_property("RED"))
{
id = "RED";
c = Color(2);
}
else if (node.has_property("GREEN"))
{
id = "GREEN";
c = Color(3);
}
}
if (id.empty() || c.to_int() >= nu_colors)
return false;
// Note: we still support having the points of a move in a list of point
// values instead of a single value as used by Pentobi <= 0.2, but it
// is deprecated
points.clear();
auto& geo = get_geometry(variant);
for (auto& s : node.get_multi_property(id))
{
auto begin = s.begin();
auto end = begin;
while (true)
{
while (end != s.end() && *end != ',')
++end;
Point p;
if (! geo.from_string(begin, end, p)
|| points.size() == MovePoints::max_size)
throw InvalidProperty(id, string(begin, end));
points.push_back(p);
if (end == s.end())
break;
++end;
begin = end;
}
}
return true;
}
bool get_player(const SgfNode& node, Color::IntType nu_colors, Color& c)
{
if (! node.has_property("PL"))
return false;
string value = node.get_property("PL");
if (value == "B" || value == "1")
c = Color(0);
else if (value == "W" || value == "2")
c = Color(1);
else if (value == "3" && nu_colors > 2)
c = Color(2);
else if (value == "4" && nu_colors > 3)
c = Color(3);
else
return false;
return true;
}
bool has_setup(const SgfNode& node)
{
for (auto& i : node.get_properties())
if (i.id == "AB" || i.id == "AW" || i.id == "A1" || i.id == "A2"
|| i.id == "A3" || i.id == "A4" || i.id == "AE")
return true;
return false;
}
//-----------------------------------------------------------------------------
} // namespace libpentobi_base
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