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Support attributes in face specifications

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Maxime Coste 2014-07-11 00:44:59 +01:00
parent a32b49acd1
commit 608e188960
1 changed files with 23 additions and 5 deletions
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28
src/face_registry.cc
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@ -5,12 +5,30 @@
namespace Kakoune
{
static Face parse_face(const String& facedesc)
static Face parse_face(StringView facedesc)
{
auto it = std::find(facedesc.begin(), facedesc.end(), ',');
return { str_to_color({facedesc.begin(), it}),
it != facedesc.end() ? str_to_color({it+1, facedesc.end()})
: Colors::Default };
auto bg_it = std::find(facedesc.begin(), facedesc.end(), ',');
auto attr_it = std::find(facedesc.begin(), facedesc.end(), '+');
if (bg_it != facedesc.end() and attr_it < bg_it)
throw runtime_error("invalid face description, expected <fg>[,<bg>][+<attr>]");
Face res;
res.fg = str_to_color({facedesc.begin(), std::min(attr_it, bg_it)});
if (bg_it != facedesc.end())
res.bg = str_to_color({bg_it+1, attr_it});
if (attr_it != facedesc.end())
{
for (++attr_it; attr_it != facedesc.end(); ++attr_it)
{
switch (*attr_it)
{
case 'u': res.attributes |= Underline; break;
case 'r': res.attributes |= Reverse; break;
case 'b': res.attributes |= Bold; break;
default: throw runtime_error("unknown face attribute '" + String(*attr_it) + "'");
}
}
}
return res;
}
const Face& FaceRegistry::operator[](const String& facedesc)