63 lines
2.3 KiB
Lua
63 lines
2.3 KiB
Lua
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--[[
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#302@abcdefg233 #305@Mirtle
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自动大写英文词汇：
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- 部分规则不做转换
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- 输入首字母大写，候选词转换为首字母大写： Hello → Hello
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- 输入至少前 2 个字母大写，候选词转换为全部大写： HEllo → HELLO
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大写时无法动态调整词频
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--]]
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local function autocap_filter(input, env)
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local code = env.engine.context.input -- 输入码
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local codeLen = #code
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local codeAllUCase = false
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local codeUCase = false
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-- 不转换：
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if codeLen == 1 or -- 码长为 1
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code:find("^[%l%p]") -- 输入码首位为小写字母或标点
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then -- 输入码不满足条件不判断候选项
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for cand in input:iter() do
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yield(cand)
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end
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return
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---- 输入码全大写
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-- elseif code == code:upper() then
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-- codeAllUCase = true
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-- 输入码前 2 - n 位大写
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elseif code:find("^%u%u+.*") then
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codeAllUCase = true
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-- 输入码首位大写
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elseif code:find("^%u.*") then
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codeUCase = true
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end
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local pureCode = code:gsub("[%s%p]", "") -- 删除标点和空格的输入码
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for cand in input:iter() do
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local text = cand.text -- 候选词
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local pureText = text:gsub("[%s%p]", "") -- 删除标点和空格的候选词
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-- 不转换：
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if
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text:find("[^%w%p%s]") or -- 候选词包含非字母和数字、非标点符号、非空格的字符
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text:find("%s") or -- 候选词中包含空格
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pureText:find("^" .. code) or -- 输入码完全匹配候选词
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(cand.type ~= "completion" and -- 单词与其对应的编码不一致
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pureCode:lower() ~= pureText:lower()) -- 例如 PS - Photoshop
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then
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yield(cand)
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-- 输入码前 2~10 位大写，候选词转换为全大写
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elseif codeAllUCase then
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text = text:upper()
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yield(Candidate(cand.type, 0, codeLen, text, cand.comment))
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-- 输入码首位大写，候选词转换为首位大写
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elseif codeUCase then
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text = text:gsub("^%a", string.upper)
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yield(Candidate(cand.type, 0, codeLen, text, cand.comment))
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else
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yield(cand)
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end
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end
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end
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return autocap_filter
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