kakoune/src/color_registry.cc

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#include "color_registry.hh"
#include "exception.hh"
namespace Kakoune
{
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static ColorPair parse_color_pair(const String& colordesc)
{
auto it = std::find(colordesc.begin(), colordesc.end(), ',');
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return { str_to_color({colordesc.begin(), it}),
it != colordesc.end() ? str_to_color({it+1, colordesc.end()})
: Colors::Default };
}
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const ColorPair& ColorRegistry::operator[](const String& colordesc)
{
auto it = m_aliases.find(colordesc);
if (it != m_aliases.end())
return it->second;
return (m_aliases[colordesc] = parse_color_pair(colordesc));
}
void ColorRegistry::register_alias(const String& name, const String& colordesc,
bool override)
{
if (not override and m_aliases.find(name) != m_aliases.end())
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throw runtime_error("alias '" + name + "' already defined");
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if (name.empty() or
find_if(name, [](char c){ return not isalnum(c); }) != name.end())
throw runtime_error("invalid alias name");
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auto it = m_aliases.find(colordesc);
m_aliases[name] = (it != m_aliases.end()) ?
it->second : parse_color_pair(colordesc);
}
CandidateList ColorRegistry::complete_alias_name(StringView prefix,
ByteCount cursor_pos) const
{
CandidateList res;
auto real_prefix = prefix.substr(0, cursor_pos);
for (auto& alias : m_aliases)
{
if (prefix_match(alias.first, real_prefix))
res.push_back(alias.first);
}
return res;
}
ColorRegistry::ColorRegistry()
: m_aliases{
{ "PrimarySelection", { Colors::Cyan, Colors::Blue } },
{ "SecondarySelection", { Colors::Black, Colors::Blue } },
{ "PrimaryCursor", { Colors::Black, Colors::White } },
{ "SecondaryCursor", { Colors::Black, Colors::White } },
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{ "LineNumbers", { Colors::Default, Colors::Default } },
{ "MenuForeground", { Colors::White, Colors::Blue } },
{ "MenuBackground", { Colors::Blue, Colors::White } },
{ "Information", { Colors::Black, Colors::Yellow } },
{ "Error", { Colors::Black, Colors::Red } },
{ "StatusLine", { Colors::Cyan, Colors::Default } },
{ "StatusCursor", { Colors::Black, Colors::Cyan } },
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{ "Prompt", { Colors::Yellow, Colors::Default } },
{ "MatchingChar", { Colors::Default, Colors::Magenta } },
{ "Search", { Colors::Default, Colors::Magenta } },
}
{}
}