24a1bd54dc
These are the style points that I'd like to try and maintain in our lua scripts: - Parentheses around conditionals - Trailing semicolons, except on block terminators - s:method(...) instead of string.method(s, ...) where applicable There's likely more, but that'll get hammered out as we continue.
99 lines
2.5 KiB
Lua
99 lines
2.5 KiB
Lua
--
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-- Copyright (c) 2015 Pedro Souza <pedrosouza@freebsd.org>
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-- All rights reserved.
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions
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-- are met:
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-- 1. Redistributions of source code must retain the above copyright
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-- notice, this list of conditions and the following disclaimer.
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-- 2. Redistributions in binary form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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-- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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-- ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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-- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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-- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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-- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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-- SUCH DAMAGE.
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--
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-- $FreeBSD$
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--
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local color = {};
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local core = require("core");
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color.BLACK = 0;
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color.RED = 1;
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color.GREEN = 2;
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color.YELLOW = 3;
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color.BLUE = 4;
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color.MAGENTA = 5;
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color.CYAN = 6;
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color.WHITE = 7;
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color.DEFAULT = 0;
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color.BRIGHT = 1;
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color.DIM = 2;
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function color.isEnabled()
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local c = loader.getenv("loader_color");
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if (c ~= nil) then
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if (c:lower() == "no") or (c == "0") then
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return false;
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end
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end
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return (not core.bootserial());
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end
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color.disabled = (not color.isEnabled());
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function color.escapef(c)
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if (color.disabled) then
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return c;
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end
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return "\027[3"..c.."m";
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end
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function color.escapeb(c)
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if (color.disabled) then
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return c;
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end
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return "\027[4"..c.."m";
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end
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function color.escape(fg, bg, att)
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if (color.disabled) then
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return "";
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end
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if (not att) then
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att = ""
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else
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att = att..";";
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end
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return "\027["..att.."3"..fg..";4"..bg.."m";
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end
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function color.default()
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if (color.disabled) then
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return "";
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end
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return "\027[0;37;40m";
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end
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function color.highlight(str)
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if (color.disabled) then
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return str;
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end
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return "\027[1m"..str.."\027[0m";
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end
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return color;
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