75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
#include "color.hh"
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#include "containers.hh"
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#include "exception.hh"
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#include "regex.hh"
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#include <cstdio>
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namespace Kakoune
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{
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static constexpr const char* color_names[] = {
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"default",
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"black",
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"red",
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"green",
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"yellow",
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"blue",
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"magenta",
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"cyan",
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"white",
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};
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bool is_color_name(StringView color)
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{
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return contains(color_names, color);
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}
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Color str_to_color(StringView color)
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{
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auto it = find_if(color_names, [&](const char* c){ return color == c; });
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if (it != std::end(color_names))
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return static_cast<Colors>(it - color_names);
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static const Regex rgb_regex{"rgb:[0-9a-fA-F]{6}"};
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if (regex_match(color.begin(), color.end(), rgb_regex))
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{
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unsigned l;
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sscanf(color.zstr() + 4, "%x", &l);
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return { (unsigned char)((l >> 16) & 0xFF),
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(unsigned char)((l >> 8) & 0xFF),
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(unsigned char)(l & 0xFF) };
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}
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throw runtime_error("Unable to parse color '" + color + "'");
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return Colors::Default;
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}
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String color_to_str(Color color)
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{
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if (color.color == Colors::RGB)
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{
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char buffer[11];
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sprintf(buffer, "rgb:%02x%02x%02x", color.r, color.g, color.b);
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return buffer;
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}
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else
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{
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size_t index = static_cast<size_t>(color.color);
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kak_assert(index < std::end(color_names) - std::begin(color_names));
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return color_names[index];
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}
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}
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String option_to_string(Color color)
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{
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return color_to_str(color);
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}
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void option_from_string(StringView str, Color& color)
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{
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color = str_to_color(str);
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}
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}
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