53 lines
1.4 KiB
Lua
53 lines
1.4 KiB
Lua
-- Rime Script >https://github.com/baopaau/rime-lua-collection/blob/master/unicode_translator.lua
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-- Unicode 內碼轉譯（輸出任意Unicode字符）
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-- 格式：U<d|x|o><code>
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-- d、x、o對應十進制、十六進制、八進制
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-- 如 Ux5C13 和 Ud23571 均輸出 `尓`
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-- 須在方案增加 `recognizer/patterns/unicode: "^U.*$"`
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local string_char = string.char
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local function utf8(cp)
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if cp < 128 then
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return string_char(cp)
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end
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local suffix = cp % 64
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local c4 = 128 + suffix
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cp = (cp - suffix) / 64
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if cp < 32 then
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return string_char(192 + cp, c4)
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end
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suffix = cp % 64
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local c3 = 128 + suffix
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cp = (cp - suffix) / 64
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if cp < 16 then
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return string_char(224 + cp, c3, c4)
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end
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suffix = cp % 64
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cp = (cp - suffix) / 64
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return string_char(240 + cp, 128 + suffix, c3, c4)
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end
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local function unicode_translator(input, seg)
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if string.sub(input, 1, 1) ~= "U" then return end
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local dict = { d=10, x=16, o=8 }
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local snd = string.sub(input, 2, 2)
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local n = dict[snd]
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if n == nil then return end
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local str = string.sub(input, 3)
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local c = tonumber(str, n)
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if c == nil then return end
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local fmt = "U"..snd.."%"..(n==16 and "X" or snd)
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-- 單獨查找
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yield(Candidate("number", seg.start, seg._end,
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utf8(c), string.format(fmt, c)))
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-- 區間查找
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for i = c*n, c*n+n-1 do
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yield(Candidate("number", seg.start, seg._end,
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utf8(i), string.format(fmt, i)))
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end
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end
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return unicode_translator
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