Mòdul:Chem2
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local getArgs = require('Module:Arguments').getArgs
local p = {} -- module's table
-- Elements with wiki links
local am = {
H = "Hidrogen",
He = "Heli",
Li = "Liti",
Be = "Beril·li",
B = "Bor",
C = "Carboni",
N = "Nitrogen",
O = "Oxigen",
F = "Fluor",
Ne = "Neó",
Na = "Sodi",
Mg = "Magnesi",
Al = "Alumini",
Si = "Silici",
P = "Fòsfor",
S = "Sofre",
Cl = "Clor",
Ar = "Argó",
K = "Potassi",
Ca = "Calci",
Sc = "Escandi",
Ti = "Titani",
V = "Vanadi",
Cr = "Crom",
Mn = "Manganès",
Fe = "Ferro",
Co = "Cobalt",
Ni = "Níquel",
Cu = "Coure",
Zn = "Zinc",
Ga = "Gal·li",
Ge = "Germani",
As = "Arsènic",
Se = "Seleni",
Br = "Brom",
Kr = "Criptó",
Rb = "Rubidi",
Sr = "Estronci",
Y = "Itri",
Zr = "Zirconi",
Nb = "Niobi",
Mo = "Molibdè",
Tc = "Tecneci",
Ru = "Ruteni",
Rh = "Rodi",
Pd = "Pal·ladi (element)",
Ag = "Argent (element)",
Cd = "Cadmi",
In = "Indi (element)",
Sn = "Estany (element)",
Sb = "Antimoni",
Te = "Tel·luri",
I = "Iode",
Xe = "Xenó",
Cs = "Cesi",
Ba = "Bari (element)",
La = "Lantani",
Ce = "Ceri",
Pr = "Praseodimi",
Nd = "Neodimi",
Pm = "Prometi",
Sm = "Samari",
Eu = "Europi",
Gd = "Gadolini",
Tb = "Terbi",
Dy = "Disprosi",
Ho = "Holmi",
Er = "Erbi",
Tm = "Tuli",
Yb = "Iterbi",
Lu = "Luteci",
Hf = "Hafni",
Ta = "Tàntal",
W = "Tungstè",
Re = "Reni",
Os = "Osmi",
Ir = "Iridi",
Pt = "Platí",
Au = "Or",
Hg = "Mercuri (element)",
Tl = "Tal·li",
Pb = "Plom",
Bi = "Bismut",
Po = "Poloni",
At = "Àstat",
Rn = "Radó",
Fr = "Franci",
Ra = "Radi (element)",
Ac = "Actini",
Th = "Tori",
Pa = "Protoactini",
U = "Urani",
Np = "Neptuni",
Pu = "Plutoni",
Am = "Americi",
Cm = "Curi",
Bk = "Berkeli",
Cf = "Californi",
Es = "Einsteini",
Fm = "Fermi (element)",
Md = "Mendelevi",
No = "Nobeli",
Lr = "Lawrenci",
Rf = "Rutherfordi",
Db = "Dubni",
Sg = "Seaborgi",
Bh = "Bohri",
Hs = "Hassi",
Mt = "Meitneri",
Ds = "Darmstadti",
Rg = "Roentgeni",
Cp = "Copernici",
Nh = "Nihoni",
Fl = "Flerovi",
Mc = "Moscovi",
Lv = "Livermori",
Ts = "Tennes",
Og = "Oganessó",
-- Groups etc with element-like names
Bn = 'Benzil',
Bz = 'Benzoïl',
D = 'Deuteri',
Et = 'Etil',
Ln = 'Lantànid',
Nu = 'Nucleòfil',
Ph = 'Grup fenil',
R = 'Grup substituent',
T = 'Triti',
Tf = 'Grup trifluorometilsulfonil',
X = 'Halogen',
}
-- Groups which are redirected from their normal target if wikilinked; never
-- autolinked.
local groups = {
CH3 = 'Metil',
CO3 = 'Carbonat',
COOH = 'Grup carboxil',
ClO = 'Hipoclorit',
ClO2 = 'Clorit',
ClO3 = 'Clorat',
ClO4 = 'Perclorat',
H2O = 'Aigua de cristal·lització',
H3O = 'Oxidani',
NH2 = 'Grup amino',
NH4 = 'Amoni',
NO3 = 'Nitrat',
PO3 = 'Fosfit',
PO4 = 'Fosfat',
SH = 'Tiol',
SO3 = 'Sulfit',
SO4 = 'Sulfat',
SeH = 'Selenol'
}
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