57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
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#include "color_registry.hh"
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#include "exception.hh"
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namespace Kakoune
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{
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static Color parse_color(const String& color)
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{
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if (color == "default") return Color::Default;
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if (color == "black") return Color::Black;
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if (color == "red") return Color::Red;
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if (color == "green") return Color::Green;
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if (color == "yellow") return Color::Yellow;
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if (color == "blue") return Color::Blue;
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if (color == "magenta") return Color::Magenta;
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if (color == "cyan") return Color::Cyan;
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if (color == "white") return Color::White;
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throw runtime_error("Unable to parse color '" + color + "'");
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return Color::Default;
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}
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const ColorPair& ColorRegistry::operator[](const String& colordesc)
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{
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auto alias_it = m_aliases.find(colordesc);
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if (alias_it != m_aliases.end())
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return alias_it->second;
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auto it = std::find(colordesc.begin(), colordesc.end(), ',');
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ColorPair colpair{ parse_color(String(colordesc.begin(), it)),
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it != colordesc.end() ?
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parse_color(String(it+1, colordesc.end()))
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: Color::Default };
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m_aliases[colordesc] = colpair;
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}
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void ColorRegistry::register_alias(const String& name, const String& colordesc)
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{
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if (m_aliases.find(name) != m_aliases.end())
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throw runtime_error("alias '" + name + "' already defined");
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if (std::find_if(name.begin(), name.end(),
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[](Character c) { return not isalnum(c); }) != name.end())
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throw runtime_error("alias names are limited to alpha numeric words");
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auto it = std::find(colordesc.begin(), colordesc.end(), ',');
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auto fg = parse_color(String(colordesc.begin(), it));
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auto bg = Color::Default;
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if (it != colordesc.end())
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bg = parse_color(String(it+1, colordesc.end()));
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m_aliases[name] = { fg, bg };
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}
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}
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