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Module:Lyrics/colors
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模块文档该模块提供了一种简便的创建大段带翻译歌词的方法，可以在歌词中使用多种颜色来分辨不同的演唱者。
本模块被包装成模板{{LyricsKai/colors}}使用，不建议在只有单个演唱者的歌曲条目中使用本模块。
local module = {}
local getArgs = require('Module:Arguments').getArgs
local rainbow = require('Module:rainbow')._main
local genCharaBlock = require('Module:Lyrics/colors/sub')._charaBlock
local buildLyrics = require('Module:Lyrics')._lyrics
local initHandler = require('Module:HooksHandler').init
function module.parseArgs(colorsStr, charasStr, charaBlock)
local colors = mw.text.split(mw.ustring.gsub(colorsStr, ';+$', ''), '%s*;+%s*')
local aliases = {}
for idx, val in ipairs(colors) do
if mw.ustring.find(val, '=', 1, true) then
colors[idx], aliases[idx] = mw.ustring.match(val, '^%s*([^=]+)%f[%s=]%s*=%s*(.+)%f[%s%z]%s*$')
end
end
local charas = mw.text.split(mw.ustring.gsub(charasStr, '；+$', ''), '%s*；+%s*')
for idx, val in ipairs(charas) do
if charaBlock then
charas[idx] = mw.ustring.gsub(val, '%(.+%)', '')
end
end
local map_aliases = {}
for idx, val in pairs(aliases) do
map_aliases[val] = idx
end
for idx, val in pairs(charas) do
map_aliases[val] = idx
end
return colors, map_aliases, charas
end
function module.parse(colors, charas, chorusName, sentence)
local count_colors = #colors
-- 包裹节点
local chorus = '合唱'
if #charas > count_colors then chorus = charas[#charas] end
if chorusName ~='' then chorus = chorusName end
for i=1, #sentence do
local preParsed = mw.ustring.gsub(sentence[i], '(@%d%d?)([^@\n]+)\n-', function(m1, m2)
if m1:len() > 2 and tonumber(m1:sub(2)) > count_colors then
m1 = m1:sub(1, 2)
m2 = m1:sub(3) .. m2
end
return mw.ustring.format('<*span title="%s" style="color:%s">%s<*/span>', m1, m1, m2)
end)
if mw.ustring.find(sentence[i], '^@d+.-@.') or mw.ustring.find(sentence[i], '^[^@]') then
preParsed = '<span class="NoTitlebox" title="'..chorus..'">'..preParsed..'</span>'
end
sentence[i] = preParsed
end
local mode = {
lg = 'linear',
rg = 'radial',
rlg = 'repeating-linear',
rrg = 'repeating-radial',
rb = 'linear'
}
local special_color = {}
for idx, val in ipairs(colors) do
local match = val:match('^([lrc][lr]?[gbo])%(', 1)
if match and (mode[match] or match == 'co') then
special_color[idx] = match
end
end
for i, material in ipairs(sentence) do
local need_special = {}
material = mw.ustring.gsub(material, 'color:@(%d+)', function (m)
m = tonumber(m)
if special_color[m] then need_special[special_color[m]] = true end
return 'color:' .. (colors[m] or '')
end)
material = mw.ustring.gsub(material, 'title="@(%d+)"', function (m)
m = tonumber(m)
return charas[m] and ('title="' .. charas[m] ..'"') or ''
end)
-- 渐变色实现
for k, _ in pairs(need_special) do
v = mode[k]
if v then
material = mw.ustring.gsub(material, '<%*span ([^>]-)style="color:'..k..'(%(.-%))">(.-)<%*/span>', function(s1, s2, s3)
if k == 'rb' then
local pattern = ''
s2 = mw.ustring.gsub(s2, '%((.+)%)', '%1')
local colors = mw.text.split(s2, ',', true)
local quotient = 100 / #colors
for i, v in ipairs(colors) do
local color = mw.text.trim(v)
if i == 1 then
pattern = color..' '..quotient..'%'
else
pattern = pattern..', '..color..' '..(quotient * (i - 1))..'%'..', '..color..' '..(quotient * i)..'%'
end
end
s2 = '('..pattern..')'
end
local style = 'background:-webkit-'..v..'-gradient'..s2..';-webkit-background-clip:text;-webkit-text-fill-color:transparent;-webkit-box-decoration-break:clone;'
--[[
s3 = mw.ustring.gsub(s3, '<rt%s*([^>]-)%s*>', function(s)
if s ~= '' then
local before, attr, after = mw.ustring.match(s, '^(.-style=")([^"]*)(".*)$')
if attr ~= nil and mw.text.trim(attr) == '' then attr = nil end
if attr ~= nil then
s = before..attr..'; '..style..after
else
s = (before or s..' style="')..style..(after or '"')
end
else
s = ' style="'..style..'"'
end
return '<rt '..s..'>'
end)
]]--
-- 额外套一层span，以免影响titlebox
return '<span '..s1..'><span class="Lyrics-gradient" style="'..style..'">'..s3..'</span></span>'
end)
end
end
-- 交替色实现
if need_special['co'] then
material = mw.ustring.gsub(material, '<%*span ([^>]-)style="color:co%((.-)%)">(.-)<%*/span>',
function(s1, s2, s3)
local colors = mw.text.split(s2, ',')
for idx, val in ipairs(colors) do
colors[idx] = mw.text.trim(val)
end
return '<span '..s1..'>'..rainbow(colors, s3)..'</span>'
end)
end
-- 整理节点
sentence[i] = mw.ustring.gsub(mw.ustring.gsub(material, '<%*(/?span)', '<%1'), '@', '')
end
return sentence
end
local preSplit = function (original, translated, customArgs)
local ce = {}
local deal = function (text)
text = mw.ustring.gsub(text, '%$([%d%$%[@])', function(s)
if not ce[s] then ce[s] = mw.getCurrentFrame():expandTemplate{ title = 'ce', args = {s} } end
return ce[s]
end)
text = mw.ustring.gsub(text, '@%[([^%[]-)%]', function(match) return '@' .. (customArgs.map_aliases[match] and customArgs.map_aliases[match] or '['..match..']') end)
return text
end
return deal(original), deal(translated)
end
local preParse = function (original, translated, customArgs)
original = module.parse(customArgs.colors, customArgs.charas, customArgs.chorusName, original)
if customArgs.traColors and translated then
translated = module.parse(customArgs.colors, customArgs.charas, customArgs.chorusName, translated)
end
end
local preOutput = function (html, customArgs)
if customArgs.doCharaBlock then
html = '<p>' .. genCharaBlock(customArgs.genCharaBlock) .. '</p>' .. html
end
local css = mw.getCurrentFrame():extensionTag{ name = 'templatestyles', args = { src = 'Template:LyricsKai/colors/styles.css' } }
return css .. html
end
function module.initHooks(args, hooksHandler, customArgs)
customArgs.traColors = (args.traColors or '') == 'on'
customArgs.doCharaBlock = (args.charaBlock or '') == 'on'
customArgs.chorusName = args.chorusName or ''
customArgs.colors, customArgs.map_aliases, customArgs.charas = module.parseArgs(args.colors or '', args.charas or '', customArgs.doCharaBlock)
customArgs.genCharaBlock = { colors = args.colors or '', charas = args.charas or '', groupName = args.groupName, groupColor = args.lstyle }
return hooksHandler({ preSplit = preSplit, preParse = preParse, preOutput = preOutput })
end
function module.main(frame)
local args = getArgs(frame, { wrappers = 'Template:LyricsKai/colors' })
local hooksHandler, customArgs = initHandler(), {}
local hookTrigger = module.initHooks(args, hooksHandler, customArgs)
return buildLyrics(args, hookTrigger, customArgs)
end
return module