Module:Interlinear

local p = {} local data = mw.loadData( 'Module:Interlinear/data' ) local gloss_override = {} -- for custom gloss abbreviations local getArgs = require('Module:Arguments').getArgs local yesno = require('Module:Yesno') local lang_data = mw.loadData( 'Module:Lang/data' )

-- -- Almost-global variables -- local glossing_type, displaying_messages, free_translation, msg, buffer

--- -- General settings --- local conf = { --settings WordSeparator = " \n\r\t", -- Don't replace with %s as this would include non-breaking spaces GlossAbbrPattern = "^([Ø0-9A-Z]+)$", -- this isn't a full regex, but a Lua pattern -- NOTE: The following characters must be formatted for use in a pattern set. GlossAbbrBoundary = "-.,;:<>‹›/\\~+=%?%s%[%]%_\127'", GlossExcludeTable = {I = true,}, --strings not be treated as glossing abbreviations GlossExcludePattern = '^[0-9][0-9]+$', -- excludes strings consisting entirely of digits GlossSmallCapsExclude = "^[AOPS]$", -- glossing abbreviations matching this pattern will not be rendered in small caps GlossingType = "label", -- if set to "label" gloss abbreviations are formatted as an with the "label" appearing in a tooltip -- if set to "wikilink" the abbreviation is formatted as a wikilink to the relevant wikipedia article -- if set to "none" abbreviations aren't formatted at all ErrorCategory = "", AmbiguousGlossCategory = "", MessageGlossingError = "Error(s) in interlinear glossing", combining_gender_numbers = "[0-9][0-9]?$", --e.g. G4 '4th gender' or CL7 'class 7' combining_gender_prefixes = {G = "gender", CL = "class"}, combining_person = {["1"] = "first person", ["2"] = "second person", ["3"] = "third person"}, combining_number = {S = "singular", SG = "singular", P = "plural", PL = "plural", D = "dual", DU = "dual", TRI = "trial"}, combining_gender = {F = "feminine", M = "masculine", N = "neuter"}, LowerCaseGlosses = {["1sg"] = true, ["2sg"] = true, ["3sg"] = true, ["1du"] = true, ["2du"] = true, ["3du"] = true, ["1pl"] = true, ["2pl"] = true, ["3pl"] = true, ["Fsg"] = true, ["Fpl"] = true, ["Msg"] = true, ["Mpl"] = true,}, -- these are the non-all-upper-case strings that will be recognised as glossing abbreviations ErrorHelpLocation = "Template:Interlinear", }

- -- CSS styles and classes - conf.style = { --CSS styles WordDiv = "float: left; margin-bottom: 0.3em;", WordMargin = "margin-right: 1em;", WordP = "margin: 0px;", -- the style for the word elements GlossAbbr = "font-variant: small-caps; font-variant-numeric: oldstyle-nums; text-transform: lowercase; ", -- won't be applied to gloss abbreviations containing lower-case characters HiddenText = "display: none;", EndDiv = "clear: left; display: block;", -- style of the element at the end of the interlinear display ErrorMessage = "font-size: inherit", } conf.class = { --CSS classes Interlinear = "interlinear", GlossAbbr = "gloss-abbr", GlossAbbrAmb = "gloss-abbr-ambiguous", GlossAbbrError = "gloss-abbr-error", ErrorMessage = "error", } - -- Section transclusion - local page_content = nil -- lazy initilization local function get_section(frame, section_name) if page_content == nil then local current_title = mw.title.getCurrentTitle page_content = current_title:getContent end if page_content then if mw.ustring.find(page_content, section_name, 1, true) then return frame:preprocess('') end end return '' end - -- Sundry small functions - local function normalise(str) return mw.ustring.gsub(str,"[" .. conf.WordSeparator .. "]+"," ") end

local function tidyCss(str) str = mw.ustring.gsub(str, '^[\"\']*(.-)[\"\']*$', "%1") -- trims quotation marks if mw.ustring.sub(str, -1) ~= ";" then str = str .. ";" end -- appends ";" if missing return str end

local function highlight(text) if text then return ' ' .. text .. ' '	else return "" end end

local function tone_sup(str) return mw.ustring.gsub(str, "([^%p%s0-9])([0-9]+)", "%1%2") end

local function is_empty(str) -- returns "false" if its argument is a string containing chars other than spaces &c. if not str then return true end if mw.ustring.find(str, "[^" .. conf.WordSeparator .. "]") then return false else return true end end

local function help_link (anchor) if anchor then return " (help)" else return "" end end

-- the following is part of a trial implementation of automatic transliteration: local function transliterate (str, lang_from, lang_to, scheme) local lookup = {grc = {module = 'Module:Ancient Greek', funct = "transliterate", } } if not lang_from then msg:add("error", "Source language for transliteration is not set") else local t = lookup[lang_from] if t then local module = require(t.module) return module[t.funct](str) else msg:add("error", "Can't find transliterator for language '" .. lang_from .. "'") end end return "" end -- end of trial block

-- The following two functions update the glossing settings based on the received -- template arguments. set_global_glossing_settings updates the global settings -- that are valid for all gloss abbreviations. set_glossing_type -- returns the glossing type, which can vary between the different lines.

local function set_global_glossing_settings(a) local style = "" if a.style then style = tidyCss(a.style) end if a.underline == "no" then style = style .. "text-decoration: none;" end if a.small_caps == "no" then style = style .. "font-variant:normal; text-transform: none;" end if style ~= "" then conf.style.GlossAbbr = conf.style.GlossAbbr .. style end end

local function set_glossing_type(glossing) if glossing then local GlossingType glossing = mw.ustring.lower(mw.text.trim(glossing)) if mw.ustring.find(glossing, 'link') then GlossingType = "wikilink" elseif mw.ustring.find(glossing, 'label') or mw.ustring.find(glossing, 'no link') then GlossingType = 'label' elseif mw.ustring.find(glossing, 'no abbr') then GlossingType = "no abbr" elseif yesno(glossing) == false then GlossingType = nil elseif yesno(glossing) then GlossingType = conf.GlossingType else msg:add('error', 'Glossing type "' .. glossing .. '" not recognised') end return GlossingType else error("set_glossing_type: 'glossing' is nil or false", 2) end end

local function set_custom_glosses(list) local abbs = mw.text.split(list, '[;\n\t]') for _,v in pairs(abbs) do		local gloss = mw.text.split(v, ':') local a = mw.text.trim(gloss[1]) if a and a ~= "" then gloss_override[a] = {} gloss_override[a].expansion = gloss[2] gloss_override[a].wikipage = gloss[3] end end end

- -- The UserMessages object contains and processes error messages and warnings - local UserMessages = {errors = {}, warnings = {}, gloss_messages = {}} function UserMessages:add(msgtype, text, gloss) if msgtype == "gloss_message" then self.gloss_messages[gloss] = text elseif msgtype == "warning" then table.insert(self.warnings, text) elseif msgtype == "non-repeating error" then self.errors.nre = text elseif msgtype == "ambiguous gloss" then self.if_ambiguous_glosses = true elseif msgtype == "error" then table.insert(self.errors, text) else return error("UserMessages:add: unknown message type", 2) end end function UserMessages:print_errors local out = "" local namespace = mw.title.getCurrentTitle.namespace if next(self.errors) or self.warnings[1] then local err_span = mw.html.create("span") err_span:attr("style", conf.style.ErrorMessage) err_span:addClass(conf.class.ErrorMessage) for _,v in pairs(self.errors) do err_span:wikitext(" " .. v .. ";") end if namespace % 2 == 0 and namespace ~= 2 -- non-talk namespaces, excluding user pages; if modifying please update the description on the category page then err_span:wikitext(conf.ErrorCategory) end out = tostring(err_span) mw.addWarning(conf.MessageGlossingError) end if self.if_ambiguous_glosses then if namespace == 0 -- article namespace then out = out .. conf.AmbiguousGlossCategory -- this category will only track articles end end return out end function UserMessages:print_warnings local out = "" -- Messages and warnings get displayed only if the page is being viewed in "preview" mode: if displaying_messages and (next(self.gloss_messages) or next(self.warnings)) then local div = mw.html.create("div") div:addClass("interlinear-preview-warning") :cssText('border: 1px solid #a2a9b1; background-color: #f8f9fa; width: 80%; padding: 0.2em;') :wikitext("This message box is shown only in preview:") :newline for _,v in ipairs(self.warnings) do			local p = div:tag("p") p:addClass(conf.class.ErrorMessage) p:attr("style", conf.style.ErrorMessage) p:wikitext(v) end if self.gloss_messages then div:wikitext(" To change any of the following default expansions, see the template's documentation: ") end for _,v in pairs(self.gloss_messages) do div:wikitext(" " .. v .. " ") end out = out .. "\n\n" .. tostring(div) end return out end

- -- gloss_lookup receives a gloss abbreviation and tries to uncover its meaning. - local function gloss_lookup(a, label, wikilink) local _label, _wikilink, _lookup, source = nil, nil, nil, nil if gloss_override[a] then _lookup = gloss_override[a] source = "local" elseif data.abbreviations[a] then _lookup = data.abbreviations[a] end if _lookup and _lookup.expansion ~= "" then _label, _wikilink = _lookup.expansion, _lookup.wikipage else local prefix = mw.ustring.sub(a,1,1) local suffix = mw.ustring.sub(a,2) if conf.combining_person[prefix] then -- is it of the form 1PL or 3FS? _label = conf.combining_person[prefix] local _suffix = conf.combining_number[suffix] or conf.combining_gender[suffix] if _suffix then _label = _label .. ", " .. _suffix else local suffix1 = mw.ustring.sub(suffix,1,1) local suffix2 = mw.ustring.sub(suffix,2) if conf.combining_gender[suffix1] and conf.combining_number[suffix2] then _label = _label .. ", " .. conf.combining_gender[suffix1] .. ", " .. conf.combining_number[suffix2] else _label = nil end end elseif mw.ustring.match(suffix,conf.combining_gender_numbers) then -- cases like G4 = gender 4 local _i,_j = mw.ustring.find(a, conf.combining_gender_numbers) local _pre = mw.ustring.sub(a, 1, _i - 1) local _suff = mw.ustring.sub(a, _i) if conf.combining_gender_prefixes[_pre] then _label = conf.combining_gender_prefixes[_pre] .. " " .. _suff end elseif prefix == "N" then -- dealing with cases like NPST = non-past local s = gloss_override[suffix] or data.abbreviations[suffix] if s ~= nil and not s.ExcludeNegation then _label = "non-" .. s.expansion _wikilink = s.wikipage end s = nil end end if _label == "" then _label = nil end if _wikilink == "" then _wikilink = nil end if not label then label = _label end if not wikilink then wikilink = _wikilink end return label, wikilink, source end

- -- format_gloss calls gloss_lookup to find the meaning of a gloss -- abbreviation, which it then proceeds to format - local function format_gloss(gloss, label, wikilink) if string.sub(gloss,1,3) == "000" then -- checks for a common component of exposed strip markers (see mw:Strip marker) return gloss end local gloss2 = mw.ustring.gsub(gloss,"<.->","") -- remove any html fluff gloss2 = mw.ustring.gsub(gloss2, "%'%'+", "") -- remove wiki bold/italic formatting gloss2 = mw.text.trim(mw.ustring.upper(gloss2)) if not (label or wikilink) or (not label and glossing_type == "label") or (not wikilink and glossing_type == "wikilink") then if glossing_type ~= "no abbr" then label, wikilink, source = gloss_lookup(gloss2, label, wikilink) end end local gloss_node if glossing_type == "no abbr" then gloss_node = mw.html.create("span") else gloss_node = mw.html.create("abbr") end gloss_node:addClass(conf.class.GlossAbbr) if label or wikilink then if not mw.ustring.match(gloss, "%l") -- excluding glosses that contain lower-case characters and not mw.ustring.match(gloss,conf.GlossSmallCapsExclude) -- and also excluding A, O etc. from rendering in small caps then gloss_node:attr("style", conf.style.GlossAbbr) end local abbr_label if label then abbr_label = label else abbr_label = wikilink end gloss_node:attr("title", abbr_label) if source ~= "local" and data.abbreviations[gloss2] then if data.abbreviations[gloss2].ambiguous then gloss_node:addClass(conf.class.GlossAbbrAmb) msg:add("ambiguous gloss") end end if glossing_type == "wikilink" and wikilink then gloss_node:wikitext("", gloss, "") else gloss_node:wikitext(gloss) end if source ~= "local" and displaying_messages then -- logging gloss lookups: local message = "" if label then message = "assuming " .. gloss2 .. " means \"" .. abbr_label .. "\";" end if glossing_type == "wikilink" and wikilink then message = message .. " linking to " .. wikilink .. ";" end msg:add("gloss_message", message, gloss) end elseif glossing_type == "no abbr" then gloss_node :attr("style", conf.style.GlossAbbr) :wikitext(gloss) else if displaying_messages then msg:add("warning", "Gloss abbreviation " .. highlight(gloss2) .. " not recognised" .. help_link("gloss abbr")) end msg:add("non-repeating error", "Unknown glossing abbreviation(s)" .. help_link("gloss abbr")) gloss_node :addClass(conf.class.GlossAbbrError) :addClass("error") :css("font-size", "100%") :attr("title", gloss2 .. ": glossing abbreviation not found") :attr("style", conf.style.ErrorMessage) :wikitext(gloss) end return tostring(gloss_node) end

- -- find_gloss parses a word into morphemes, and it calls format_gloss -- for anything that looks like a glossing abbreviation. - local function find_gloss(word) local function scan_gloss(boundary, gloss_abbr) -- checks a morpheme if it is a gloss abbreviation if (mw.ustring.match(gloss_abbr, conf.GlossAbbrPattern)			or conf.LowerCaseGlosses[gloss_abbr]) and not (conf.GlossExcludeTable[gloss_abbr]				or mw.ustring.match(gloss_abbr, conf.GlossExcludePattern)) then gloss_abbr = format_gloss(gloss_abbr) end return boundary .. gloss_abbr end local word = mw.text.decode(word, true) if word == "I" -- for the case of the English word "I", the 1SG pronoun then return word end local pattern = "([" .. conf.GlossAbbrBoundary .. "]?)([^" .. conf.GlossAbbrBoundary .. "]+)" word = mw.ustring.gsub(word, pattern, scan_gloss) -- splits into morphemes return word end

- -- The main purpose of the bletcherous parse is to split a line into words and and then for each eligible word -- to call find_gloss. The parser outputs the individual words (with any gloss abbreviation formatting applied). -- The simple job of splitting at whitespaces has been made complicated by a) the fact that the input can contain -- whitespaces inside the various html elements that are the result of the application of various formatting templates; -- and b) the need to be able to recognise the output of the template that formats custom gloss abbreviations -- (and hence skip passing it on to find_gloss). See talk for a suggestion about its future. - local function parse(cline, i, tags_found,ifglossing)

local function issue_error(message, culprit) UserMessages:add("error", message .. ": " .. mw.ustring.sub(cline.whole, 1, i-1) .. "" .. culprit  .. "") end if i > cline.length then return i end --this will only be triggered if the current line has less words than line 1 local next_step, j, _, chunk local probe = mw.ustring.sub(cline.whole,i,i) if mw.ustring.match(probe,"[" .. conf.WordSeparator .. "]") and tags_found == 0 then next_step = i-1 elseif probe == "[" then --Wikilink? if mw.ustring.sub(cline.whole,i+1,i+1) == "[" then _,j,chunk = mw.ustring.find(cline.whole,"(%[%[.-%]%])", i)		else chunk = "["; j = i end --not a wikilink then buffer = buffer .. chunk next_step = parse(cline, j+1,tags_found,ifglossing) elseif probe == "{" and tags_found == 0 then --curly brackets enclose a sequence of words to be treated as a single unit _,j,chunk = mw.ustring.find(cline.whole,"(.-)(})", i+1) if not chunk then issue_error("Unclosed curly bracket", "{") chunk = highlight("{"); j = i		elseif ifglossing==true then chunk = find_gloss(chunk) else if cline.tone_sup then chunk = tone_sup(chunk) end end buffer = buffer .. chunk next_step = parse(cline, j+1,tags_found,ifglossing) elseif probe == "<" then -- We've encountered an HTML tag. What do we do now? local _,j,chunk = mw.ustring.find(cline.whole,"(<.->)",i) if not chunk then issue_error("Unclosed angle bracket", "<") chunk = highlight("<"); j = i		elseif mw.ustring.sub(cline.whole,i,i+1) == "$") -- It's an OPENING tag, unless it opens a self-closing element (in which case the element is ignored) then if ifglossing == true -- the following checks for the output of : and mw.ustring.find(chunk, conf.class.GlossAbbr, 1, true) -- it's important that the "find" function uses literal strings and not patterns then ifglossing = false end tags_found = tags_found + 1 end buffer = buffer .. chunk next_step = parse(cline, j+1,tags_found,ifglossing) else -- No HTML tags, so we only need to find where the word ends local _,k,chunk = mw.ustring.find(cline.whole,"(..-)([ <[])",i) if k then --ordinary text if ifglossing==true then buffer = buffer .. find_gloss(chunk) else if cline.tone_sup then chunk = tone_sup(chunk) end buffer = buffer .. chunk end next_step = parse(cline, k, tags_found, ifglossing) else -- reached end of string if ifglossing == true then chunk = find_gloss(mw.ustring.sub(cline.whole,i)) else chunk = mw.ustring.sub(cline.whole,i) if cline.tone_sup then chunk = tone_sup(chunk) end end buffer = buffer .. chunk next_step = cline.length end end return next_step end

-- The following function is called by Template:gcl and is used for formatting an individual glossing abbreviation

function p.gcl(frame) local args = getArgs(frame,{		trim = true,		removeBlanks = false,		parentOnly = true,		wrappers = {'Template:Gcl'},	}) msg = UserMessages set_global_glossing_settings{style = args.style, underline = args.underline, small_caps = args['small-caps']} if not args.glossing then glossing_type = conf.GlossingType -- a global variable else glossing_type = set_glossing_type(args.glossing) end local gloss, label, wikilink = args[1], args[2], args[3] if not gloss then UserMessages:add("error", "No gloss supplied") return UserMessages:print end if wikilink and not args.glossing then -- if a wikilink is supplied and glossing isn't set to 'label'... glossing_type = 'wikilink' end --    .. then the wikilink will be formatted as such if label == "" then label = nil end if wikilink == "" then wikilink = nil end local result = format_gloss(gloss, label, wikilink) return result end

-- The following is the function called by Template:Interlinear. -- It processes the template arguments, then calls parse to split the input lines into words -- and it then builds the output html.

function p.interlinearise(frame) - -- Prepare arguments -	local if_auto_translit = false local args = getArgs(frame, { -- configuration for Module:Arguments		trim = true,		removeBlanks = false,		parentFirst = true,		wrappers = {'Template:Interlinear', 'Template:Fs interlinear'},	}) local template_name = frame:getParent:getTitle if template_name == 'Template:Fs interlinear' then args.italics1 = args.italics1 or "no" args.italics2 = args.italics2 or "yes" args.glossing3 = args.glossing3 or "yes" if args.lang and not args.lang2 then args.lang2 = args.lang .."-Latn" end if args.transl and not args.transl2 then args.transl2 = args.transl end if_auto_translit = true

end local revid = frame:preprocess( "" ) if revid == "" then if not args['display-messages'] or yesno(args['display-messages']) then displaying_messages = true end-- messages will be displayed only in preview mode end msg = UserMessages local line = {}

local function set_italics(n) line[n].attr.style = line[n].attr.style .. "font-style: italic;" line[n].tone_sup = true -- single digits are assumed to be tone markers and will hence be superscripted if args['tone-superscripting'] and not yesno(args['tone-superscripting']) then line[n].tone_sup = false end end

if args.glossing then -- the glossing= parameter sets the default glossing type local _gl = set_glossing_type(args.glossing) if _gl then conf.GlossingType = _gl end end --this looks for a list of glossing abbreviations on the page that transcludes the template: local _ablist_section = get_section(frame, 'list-of-glossing-abbreviations') if _ablist_section and _ablist_section ~= "" then local _a = mw.ustring.gsub(_ablist_section, '', '') -- strips off the div tags set_custom_glosses(_a) end --and this looks looks for a list of abbreviations set within the template: local _ablist = args.abbreviations if _ablist and _ablist ~= "" then set_custom_glosses(_ablist) end local _ablist = args.ablist if _ablist and _ablist ~= "" then set_custom_glosses(_ablist) end

local _spacing = tonumber(args.spacing) if _spacing and _spacing <= 20 then conf.style.WordDiv = conf.style.WordDiv .. 'margin-right: ' .. _spacing .. 'em;' else conf.style.WordDiv = conf.style.WordDiv .. conf.style.WordMargin end

local offset, last_line = 0, 0 for j,v in ipairs(args) do -- iterates over the unnamed parameters from the template last_line = last_line +1 if is_empty(v) then offset = offset + 1 else local i = j - offset line[i] = {} v = normalise(v)

-- the following is part of a trial implementation of automatic transliteration: if if_auto_translit and v == "auto" and i > 1 then local source_line = line[i-1] local src_lang = source_line.lang if not src_lang then src_lang = args.lang end if src_lang then v = transliterate(source_line.whole, src_lang) else v = ""; msg:add("error", "No language specified for automatic transliteration") end end -- end of trial block

line[i].whole = v		line[i].length = mw.ustring.len(v)

local _c = args["c" .. i]		if _c and _c ~= "" then line.hasComments = true line[i].c = _c end

---prepare style arguments line[i].class = "" local _style = args["style" .. i]		if not _style then _style = "" else _style = tidyCss(_style) end --line[i].attr holds the attributes for the elements that enclose the words in line i line[i].attr = {style = conf.style.WordP .. _style}

local _lang = args["lang" .. i]		if _lang and #_lang > 1 then line[i].lang = _lang else _lang = args.lang if _lang and #_lang > 1 and i == 1 then -- if a lang= parameter is supplied, it's assumed to apply to line 1 line[i].lang = _lang end end line[i].attr.lang = line[i].lang --the following emulates the behaviour of (see Template talk:Fs interlinear#Tibetan): if template_name == 'Template:Fs interlinear' then if _lang == "bo" and i == 1 then line[1].class = line[1].class .. " uchen" line[1].attr.style = line[1].attr.style .. "font-size:1.25em; word-wrap:break-word;" end end

if yesno(args["italics" .. i]) then set_italics(i) end

local _transl = args["transl" .. i]		if _transl and #_transl > 1 then _transl = mw.ustring.lower(_transl) local _lookup = lang_data.translit_title_table[_transl] if _lookup then if _lang and _lookup[_lang] then _transl = _lookup[_lang] else _transl = _lookup.default end if _transl then line[i].attr.title = _transl end else msg:add("error", "Transliteration scheme '" .. _transl .. "' not recognised") end end

local _glossing = args["glossing" .. i]		if _glossing then line[i].glossing = set_glossing_type(_glossing) -- Do not treat default glossing settings as custom. if not ((i == 1 and not yesno(_glossing)) or (i == 2 and yesno(_glossing))) then line.HasCustomGlossing = true end end

local _ipa = args['ipa' .. i]		if yesno(_ipa) then line[i].class = "IPA" end

local _class = args['class' .. i]		if _class then line[i].class = line[i].class .. " " .. _class end

if line[i].class == "" then line[i].class = nil end end -- ends the first if-statement in the loop end -- ends the FOR cycle

local line_count = #line if line_count == 0 then msg:add("error", template_name .. ": no lines supplied.") return msg:print_errors end

if line_count > 1 then local _italics = args.italics local n = tonumber(_italics) if n and n > 0 then set_italics(n) elseif not (_italics and not yesno(_italics)) and not (args["italics1"] and not yesno(args["italics1"])) then set_italics(1) -- by default, the first line will get italicised, unless italics=no or italics1=no end -- the last unnamed parameter is assumed to be the free translation: free_translation = args[last_line] if not is_empty(free_translation) then line [line_count] = nil  end  --... and is thus excluded from interlinearising end

-- If glossing isn't specified for any line, then it's chosen by default to occur -- in the second line, unless only a single line has been supplied, in which case -- the assumption is that it is the one containing grammatical glosses if yesno(args.glossing) == false then line.HasCustomGlossing = true end if not line.HasCustomGlossing then if line_count == 1 then line[1].glossing = conf.GlossingType elseif line[2] then line[2].glossing = conf.GlossingType end end set_global_glossing_settings{style = args['glossing-style'], underline = args.underline, small_caps = args['small-caps']}

- -- Segment lines into words -	for i,v in ipairs(line) do		local ifglossing = false if line[i].glossing then ifglossing = true -- if true the parser will attempt to format gloss abbreviations in the current line glossing_type = line[i].glossing -- neccessarily a global variable end local wc, n = 1, 1 line[i].words = {} while n <= line[i].length do			buffer = "" n = parse(line[i], n, 0, ifglossing)+2 line[i].words[wc] = buffer wc = wc + 1 end end

Check for mismatches in number of words across lines local number_of_words, mismatch_found = 0, false for i,v in ipairs(line) do -- find the maximum number of words in any line local wc = #line[i].words if wc ~= number_of_words then if i ~= 1 and wc ~= 0 then mismatch_found = true end if wc > number_of_words then number_of_words = wc			end end end Deal with mismatches--- if mismatch_found then local error_text = "Mismatch in the number of words between lines: " for i,v in ipairs(line) do			local wc = #line[i].words error_text = error_text .. wc .. " word(s) in line " .. i .. ", "			if wc ~= number_of_words then for current_word = wc+1, number_of_words do					line[i].words[current_word] = " " end end end if string.sub(error_text, -2) == ", " then error_text = string.sub(error_text, 1, #error_text - 2) .. " "		end error_text = error_text .. help_link("mismatch") UserMessages:add("error", error_text) end

- -- Build the HTML -	 If just a single line was supplied, format it as inline text if line_count == 1 then local span = mw.html.create('span') span:attr(line[1].attr) for wi = 1, number_of_words do			local space if wi < number_of_words then space = " " else space = "" end span:wikitext(line[1].words[wi] .. space) end return tostring(span) end

More than one line supplied, so we'll produce interlinear display local div = mw.html.create("div") div:addClass(conf.class.Interlinear)

-- For stuff to be displayed in the left margin, like example numbering local number, indent = nil, nil if args.number and args.number ~= "" then number = args.number end if args.indent and args.indent ~="" then indent = args.indent end if indent or number then if not indent then indent = "4" end --default value div:css("margin-left", indent .. 'em') if number then div:tag("div") :css("position", "absolute") :css("left", "1em") :wikitext(args.number) end end

if args.box and args.box ~= "" then div:css("background-color", "#f8f9fa") :css("border", "1px solid #eaecf0") :css("padding", "1em") end if args.top and args.top ~= "" then --lines to display above the interlinear block div:tag("div") :wikitext(args.top) end

-- Producing the interlinear block for wi = 1, number_of_words do		local div2 = div:tag("div") :attr("style", conf.style.WordDiv) for i,_ in ipairs (line) do			if line[i].whole ~= "" then -- skipping empty lines local p = div2:tag("p") p:attr(line[i].attr) if line[i].class then p:addClass(line[i].class) end local _text = line[i].words[wi] if _text == "" or _text == " " then _text = " " end -- elements without content mess up the interlinear display p:wikitext(_text) end end end

--- If any "comments" have been specified, add them at the end of each line if line.hasComments then local divc = div:tag("div") :attr("style", conf.style.WordDiv) for i,_ in ipairs (line) do			local p = divc:tag("p") p:attr("style", conf.style.WordP) if line[i].c then p:wikitext(line[i].c)			else p:wikitext(" ") end end end

--Add hidden lines containing the content of each line of interlinear text: this is for accessibility for i,v in ipairs(line) do		local hidden_line = div:tag("p") hidden_line:attr("style", conf.style.HiddenText) :wikitext(v.whole) end

-- Format the free translation local ft_line = div:tag("p") if free_translation and free_translation ~= "" then ft_line:attr("style", "clear: left;") ft_line:wikitext(free_translation) end if args.bottom and args.bottom ~= "" then local bottom = div:tag('p') bottom:css('margin-top', '0') bottom:wikitext(args.bottom) end ft_line:node(msg:print_errors) -- for error messages

local end_div = div:tag("div") end_div:attr("style", conf.style.EndDiv) div:newline local temp_track = "" if last_line == 2 then temp_track = "" end if last_line > 3 and template_name ~= 'Template:Fs interlinear' then temp_track = "" end return tostring(div) .. temp_track .. msg:print_warnings end

return p