Module:Chem2
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local getArgs = require('Module:Arguments').getArgs
local p = {} -- module tafla
-- Frumefni með wiki hlekki
-- Athugið að búið er að þýða einhver nöfn yfir á Íslensku
local am = {
H = "Vetni",
He = "Helín",
Li = "Litín",
Be = "Beryllín",
B = "Bór",
C = "Kolefni",
N = "Köfnunarefni",
O = "Súrefni",
F = "Flúor",
Ne = "Neon",
Na = "Natrín",
Mg = "Magnesín",
Al = "Ál",
Si = "Kísill",
P = "Fosfór",
S = "Brennisteinn",
Cl = "Klór",
Ar = "Argon",
K = "Kalín",
Ca = "Kalsín",
Sc = "Skandín",
Ti = "Títan",
V = "Vanadín",
Cr = "Króm",
Mn = "Mangan",
Fe = "Járn",
Co = "Kóbolt",
Ni = "Nikkel",
Cu = "Kopar",
Zn = "Sink",
Ga = "Gallín",
Ge = "German",
As = "Arsen",
Se = "Selen",
Br = "Bróm",
Kr = "Krypton",
Rb = "Rúbidín",
Sr = "Strontín",
Y = "Yttrín",
Zr = "Sirkon",
Nb = "Níóbín",
Mo = "Mólýbden",
Tc = "Teknetín",
Ru = "Rúten",
Rh = "Ródín",
Pd = "Palladín",
Ag = "Silfur",
Cd = "Kadmín",
In = "Indín",
Sn = "Tin",
Sb = "Antímon",
Te = "Tellúr",
I = "Joð",
Xe = "Xenon",
Cs = "Sesín",
Ba = "Barín",
La = "Lantan",
Ce = "Serín",
Pr = "Praseódým",
Nd = "Neódým",
Pm = "Prómetín",
Sm = "Samarín",
Eu = "Evrópín",
Gd = "Gadólín",
Tb = "Terbín",
Dy = "Dysprósín",
Ho = "Hólmín",
Er = "Erbín",
Tm = "Túlín",
Yb = "Ytterbín",
Lu = "Lútetín",
Hf = "Hafnín",
Ta = "Tantal",
W = "Volfram",
Re = "Renín",
Os = "Osmín",
Ir = "Iridín",
Pt = "Platína",
Au = "Gull",
Hg = "Kvikasilfur",
Tl = "Þallín",
Pb = "Blý",
Bi = "Bismút",
Po = "Pólon",
At = "Astat",
Rn = "Radon",
Fr = "Fransín",
Ra = "Radín",
Ac = "Aktín",
Th = "Þórín",
Pa = "Prótaktín",
U = "Úran",
Np = "Neptúnín",
Pu = "Plúton",
Am = "Ameríkín",
Cm = "Kúrín",
Bk = "Berkelín",
Cf = "Kalifornín",
Es = "Einsteinín",
Fm = "Fermín",
Md = "Mendelevín",
No = "Nóbelín",
Lr = "Lawrensín",
Rf = "Rutherfordín",
Db = "Dubnín",
Sg = "Seborgín",
Bh = "Bohrín",
Hs = "Hassín",
Mt = "Meitnerín",
Ds = "Darmstadtín",
Rg = "Röntgenín",
Cn = "Kópernikín",
Nh = "Nihonín",
Fl = "Fleróvín",
Mc = "Moskóvín",
Lv = "Livermorín",
Ts = "Tennessín",
Og = "Oganessín",
-- ALLT HÉR AÐ NEÐAN ER ÓÞÝTT ENNÞÁ 2024-12-17
-- Groups etc with element-like names
Bn = 'Bensýlhópur',
Bz = 'Bensóýlhópur',
D = 'Tvívetni',
Et = 'Etýlhópur',
Ln = 'Lantaníð',
Nu = 'Kjarnsækir',
Ph = 'Fenýlhópur',
R = 'Skiptihópur',
T = 'Þrívetni',
Tf = 'Tríflúormetýlsúlfónýlhópur',
X = 'Halógen',
}
-- Groups which are redirected from their normal target if wikilinked; never
-- autolinked.
local groups = {
CH3 = 'Metýlhópur',
CO3 = 'Karbónat',
COOH = 'Karboxýlhópur',
ClO = 'Hýpóklórít',
ClO2 = 'Klórít',
ClO3 = 'Klórat',
ClO4 = 'Perklórat',
H2O = 'Kristalvatn',
H3O = 'Hýdróníum',
NH2 = 'Amínhópur',
NH4 = 'Ammoníum',
NO3 = 'Nítrat',
PO3 = 'Fosfít',
PO4 = 'Fosfat',
SH = 'Brennisteinshópur',
SO3 = 'Súlfít',
SO4 = 'Súlfat',
SeH = 'Selenhópur'
}
local T_ELEM = 0 -- token types
local T_NUM = 1 -- number
local T_OPEN = 2 -- open '('
local T_CLOSE = 3 -- close ')'
local T_PM_CHARGE = 4 -- + or −
local T_WATER = 6 -- .xH2O x number
local T_CRYSTAL = 9 -- .x
local T_CHARGE = 8 -- charge (x+), (x-)
local T_SUF_CHARGE = 10 -- suffix and charge e.g. 2+ from H2+
local T_SUF_CHARGE2 = 12 -- suffix and (charge) e.g. 2(2+) from He2(2+)
local T_SPECIAL = 14 -- starting with \ e.g. \d for double bond (=)
local T_SPECIAL2 = 16 -- starting with \y{x} e.g. \i{12} for isotope with mass number 12
local T_ARROW_R = 17 -- match: ->
local T_ARROW_EQ = 18 -- match: <->
local T_UNDERSCORE = 19 -- _{ ... }
local T_CARET = 20 -- ^{ ... }
local T_LINKOPEN = 21 -- Opening of link, always like "[[target|" even if the source wasn't
local T_NOCHANGE = 30 -- Anything else like ☃
function su(up, down)
if up == "" then
return ('<sub class="template-chem2-sub">%s</sub>'):format(down)
end
if down == "" then
return ('<sup class="template-chem2-sup">%s</sup>'):format(up)
end
return ('<span class="template-chem2-su"><span>%s</span><span>%s</span></span>'):format(up, down)
end
function DotIt()
return '·'
end
function item(f) -- (iterator) returns one token (type, value) at a time from the formula 'f'
local i = 1
return function ()
local t, x = nil, nil
if (i == 1) and f:match('^[0-9]', i) then
x = f:match('^[%d.]+', i); t = T_NOCHANGE; i = i + x:len(); -- matching coefficient (need a space first)
elseif i <= f:len() then
x = f:match('^%s+[%d.]+', i); t = T_NOCHANGE; -- matching coefficient (need a space first)
if not x then x = f:match('^%s[+]', i); t = T_NOCHANGE; end -- matching + (H2O + H2O)
if not x then x = f:match('^%&%#[%w%d]+%;', i); t = T_NOCHANGE; end -- &#...;
if not x then x = f:match('^%<%-%>', i); t = T_ARROW_EQ; end -- matching <->
if not x then x = f:match('^%-%>', i); t = T_ARROW_R; end -- matching ->
if not x then x = f:match('^%u%l*', i); t = T_ELEM; end -- matching symbols like Aaaaa
if not x then x = f:match('^%d+[+-]', i); t = T_SUF_CHARGE; end -- matching x+, x-
if not x then x = f:match('^%d+%(%d*[+-]%)', i); t = T_SUF_CHARGE2; end -- matching x(y+/-), x(+/-)
if not x then x = f:match('^%(%d*[+-]%)', i); t = T_CHARGE; end -- matching (x+) (xx+), (x-) (xx-)
if not x then x = f:match('^[%d.]+', i); t = T_NUM; end -- matching number
if not x and (f:match('^%[%[%[[^[]', i) or f:match('^%[[^[]', i)) then
i = i + 1; return T_OPEN, '[' end -- escape [[[X or [X (relevant to auto-linking)
if not x and f:sub(i, i + 1) == '[[' then
x = f:match('^%[%[([^]|]*)', i) -- link target
local len = x:len() + 3
x = '[[' .. (groups[x] or am[x] or x) .. '|' -- override link target for common groups
if f:sub(len + i, len + i) == ']' then
-- We're going to read the link twice, once as target and once as
-- chemical markup, e.g. [[CH3]] => "[[CH3|", "CH3]]"
i = i + 2
else
i = i + len
end
return T_LINKOPEN, x
end
if not x then x = f:match('^[(|{|%[]', i); t = T_OPEN; end -- matching ({[
if not x then x = f:match('^[)|}|%]]', i); t = T_CLOSE; end -- matching )}]
if not x then x = f:match('^[+-]', i); t = T_PM_CHARGE; end -- matching + or -
if not x then x = f:match('^%*[%d.]*H2O', i); t = T_WATER; end -- Crystal water
if not x then x = f:match('^%*[%d.]*', i); t = T_CRYSTAL; end -- Crystal
if not x then x = f:match('^[\\].{%d+}', i); t = T_SPECIAL2; end -- \y{x}
if not x then x = f:match('^[\\].', i); t = T_SPECIAL; end -- \x
if not x then x = f:match('^_{[^}]*}', i); t = T_UNDERSCORE; end -- _{...}
if not x then x = f:match('^^{[^}]*}', i); t = T_CARET; end -- ^{...}
if not x then x = f:match('^.', i); t = T_NOCHANGE; end --the rest - one by one
if x then i = i + x:len(); else i = i + 999; error("Invalid character in formula! : "..f) end
end
return t, x
end
end
function p._chem(args)
local f = args[1] or ''
f = mw.text.decode( f, true ) -- handle entity input (like −): decode right away
f = string.gsub(f, "–", "-") -- replace – with - (hyphen not ndash)
f = string.gsub(f, "−", "-") -- replace – with - (hyphen not minus sign)
local formula = ''
local t, x
local link = args['link'] or ""
local auto = args['auto'] or ""
local seen = {}
local _debug = false
if not (link == '') then formula = formula .. "[[" .. link .. "|"; end -- wikilink start [[link|
for t, x in item(f) do
if _debug then
formula = ("%s\n* %d %s"):format(formula, t, x)
elseif t == T_ELEM then
if (auto == '') or (not am[x]) or seen[x] then formula = formula .. x
else formula = ("%s[[%s|%s]]"):format(formula, am[x], x); seen[x] = true
end
elseif t == T_COEFFICIENT then formula = formula .. x
elseif t == T_NUM then formula = formula .. su("", x);
elseif t == T_LINKOPEN then formula = formula .. x; -- [[Link|
elseif t == T_OPEN then formula = formula .. x; -- ([{
elseif t == T_CLOSE then formula = formula .. x; -- )]}
elseif t == T_PM_CHARGE then formula = formula .. su(x:gsub("-", "−"), "");
elseif t == T_SUF_CHARGE then
formula = formula .. su(x:match("[+-]"):gsub("-", "−"), x:match("%d+"), "");
elseif t == T_SUF_CHARGE2 then
formula = formula .. su(x:match("%(%d*[+-]"):gsub("-", "−"):sub(2, -1), x:match("%d+"))
elseif t == T_CHARGE then
formula = formula .. "<sup>"
if x:match("%d+") then formula = formula .. x:match("%d+"); end
formula = formula .. x:match("[%+-]"):gsub("-", "−") .. "</sup>";
-- Cannot concatenat a nil value from x:match("%d+");
elseif t == T_CRYSTAL then formula = formula .. DotIt() .. string.gsub( x, "*", '', 1 );
elseif t == T_SPECIAL then
parameter = x:sub(2, 2) -- x fra \x
if parameter == "s" then formula = formula .. "−" -- single bond
elseif parameter == "d" then formula = formula .. "=" -- double bond
elseif parameter == "t" then formula = formula .. "≡" -- tripple bond
elseif parameter == "q" then formula = formula .. "≣" -- Quadruple bond
elseif parameter == "h" then formula = formula .. "η" -- η, hapticity
elseif parameter == "*" then formula = formula .. "*" -- *, normal *
elseif parameter == "-" then formula = formula .. "-" -- -
elseif parameter == "\\" then formula = formula .. "\\" -- \
elseif parameter == "\'" then formula = formula .. "'" -- html-code for '
end
elseif t == T_SPECIAL2 then -- \y{x}
parameter = x:sub(2, 2) -- y fra \y{x}
if parameter == "h" then --[[Hapticity]]
if (auto == '') then formula = formula .. "η<sup>" .. x:match('%d+') .. "</sup>-"
else
formula = formula .. "[[Hapticity|η<sup>" .. x:match('%d+') .. "</sup>]]-"
end
elseif parameter == "m" then formula = formula .. "μ<sub>" .. x:match('%d+') .. "</sub>-" -- mu ([[bridging ligand]])
end
elseif t == T_WATER then
if x:match("^%*[%d.]") then
formula = formula .. DotIt() .. x:match("%f[%.%d]%d*%.?%d*%f[^%.%d%]]") .. "H<sub>2</sub>O";
else
formula = formula .. DotIt() .. "H<sub>2</sub>O";
end
elseif t == T_UNDERSCORE then formula = formula .. su("", x:gsub("-", "−"):sub(3, -2)) -- x contains _{string}
elseif t == T_CARET then formula = formula .. su(x:gsub("-", "−"):sub(3, -2), "") -- x contains ^{string}
elseif t == T_ARROW_R then formula = formula .. " → "
elseif t == T_ARROW_EQ then formula = formula .. " ⇌ "
elseif t == T_NOCHANGE then formula = formula .. x; -- The rest - everything which isn't captured by the regular expresions.
else error('unreachable - ???') end -- in fact, unreachable
end
if not (link == nil or link == '') then formula = formula .. "]]"; end -- wikilink closing ]]
formula = mw.getCurrentFrame():preprocess('<templatestyles src="Module:Chem2/styles.css"/>') ..
'<span class="chemf nowrap">' .. formula .. '</span>'
if args[2] or args[3] or args[4] then
formula = formula .. require('Module:If preview')._warning{
'{{chem2}} was called with multiple positional arguments. It should have just one, e.g. {{chem2|H2O}}.'
}
end
return formula
end
function p.chem(frame)
local args = getArgs(frame)
return p._chem(args)
end
-- PRIVATE function to generate documentation.
function p._autodoc(frame)
local TableTools = require('Module:TableTools') -- we don't want to load this on articles for no reason
local result = {
'===Elements and element-style symbols===\nThese may be automatically linked or used as if they were redirects.\n',
'{| class="wikitable"\n! Symbol !! Link target\n'
}
for symbol, target in TableTools.sortedPairs(am) do
result[#result + 1] = ('|-\n| %s || [[%s]]\n'):format(symbol, target)
end
result[#result + 1] = '|}\n===Groups===\nThese must be linked manually; they work as if they were redirects.\n'
result[#result + 1] = '{| class="wikitable"\n! Symbol !! Link target\n'
for symbol, target in TableTools.sortedPairs(groups) do
result[#result + 1] = ('|-\n| %s || [[%s]]\n'):format(symbol, target)
end
result[#result + 1] = '|}'
return table.concat(result)
end
return p