Module:Ruby

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local Ruby = {}
local getArgs = require('Dev:Arguments').getArgs 
local HF = require('Module:HF') 

function Ruby.ruby (frame)
    local args = getArgs(frame, {
    	trim = true,
    	removeBlanks = false
    })
    return Ruby._ruby(args)
end

function Ruby._ruby (args)
    local rubytag = mw.html.create('ruby')
    local lang = args['lang'] or 'ja'
    local link = args['link']
    
    rubytag:addClass('rubytext'):addClass('ruby-'..lang):attr('lang', lang)
    
    for i,v in ipairs(args) do
        --if (i % 2 ~= 0) and (type(args[i + 1]) ~= string) then
        --    rubytag:wikitext(v)
        --else
        if (i % 2 ~= 0) then
            rubytag:tag('rb'):wikitext(v):done()
        elseif (i % 2 == 0) and 
            ((type(v) == nil) or
             mw.ustring.len( mw.text.trim( v ) ) == 0)
            then
            
        else
            rubytag:tag('rp'):wikitext(' ('):done()
            rubytag:tag('rt'):wikitext(v):done()
            rubytag:tag('rp'):wikitext(') '):done()
        end
    end
    rubytag:allDone()
    return link and HF.Link(link, tostring(rubytag)) or tostring(rubytag)
    --[==[
    {{ #if: {{{2<includeonly>|</includeonly>}}}
  | <ruby class="rubytext ruby-{{{lang|ja}}}" lang="{{{lang|ja}}}"><rb>{{{1}}}</rb><rp>（</rp><rt>{{{2}}}</rt><rp>）</rp></ruby>
  | {{{1}}}[[Category:Pages with an unnecessary ((Ruby)) transclusion]]
}}{{ #if: {{{1<includeonly>|</includeonly>}}} || [[Category:Pages with an unnecessary ((Ruby)) transclusion]]
}}{{ #ifeq: {{{3|¬}}} | ¬ || [[Category:((Ruby)) transclusions with too many parameters]] }}
    --]==]
end

function Ruby.split( frame )
    --
    -- implements {{Ruby/split}}
    --

    if frame == mw.getCurrentFrame() then
        args = frame:getParent().args
    else
        args = frame
    end
    if not args[1] then
        return
    end

    args[1] = mw.text.trim( args[1] )

    if not mw.ustring.find( args[1], '<ruby' ) then
        return args[1]
    end

    args[2] = args[2] and ( mw.text.trim( args[2] ) == 'base' and '' or mw.text.trim( args[2] ) ) or ''

    local first, parts, match
    first = mw.ustring.match( args[1], '^(.-)<ruby' ) or ''
    parts = mw.text.split( args[1], '<ruby' )
    match = args[2] == '' and '<rb[^>]*>(.-)</rb>' or '<rt[^>]*>(.-)</rt>'

    for i = 1, #parts do
        parts[i] = ( mw.ustring.match( parts[i], match ) or '' )
                .. ( mw.ustring.match( parts[i], '</ruby>(.*)$' ) or '' )
    end

    return first, table.concat( parts, '' )
end

return Ruby