Module:User:Benwing2/en-headword/angle-bracket
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This is a private module sandbox of Benwing2, for their own experimentation. Items in this module may be added and removed at Benwing2's discretion; do not rely on this module's stability.
local export = {}
function export.conjugate_angle_bracket_spec(data, par1, pagename, base_default_verb_forms,
compute_plusplus_s_form, compute_double_last_cons_stem)
-- In the angle bracket format, we always copy the full past tense specs to the past participle
-- specs if none of the latter are given, so act as if the past participle is always given.
-- There is a separate check to see if the past tense and past participle are identical, in any case.
local past_ptcs_given = true
local iut = require("Module:inflection utilities")
-- (1) Parse the indicator specs inside of angle brackets.
local function parse_indicator_spec(angle_bracket_spec)
local inside = angle_bracket_spec:match("^<(.*)>$")
assert(inside)
local segments = iut.parse_balanced_segment_run(inside, "[", "]")
local comma_separated_groups = iut.split_alternating_runs(segments, ",")
if #comma_separated_groups > 4 then
error("Too many comma-separated parts in indicator spec: " .. angle_bracket_spec)
end
local function fetch_qualifiers(separated_group)
local qualifiers
for j = 2, #separated_group - 1, 2 do
if separated_group[j + 1] ~= "" then
error("Extraneous text after bracketed qualifiers: '" .. table.concat(separated_group) .. "'")
end
if not qualifiers then
qualifiers = {}
end
table.insert(qualifiers, separated_group[j])
end
return qualifiers
end
local function fetch_specs(comma_separated_group)
if not comma_separated_group then
return {{}}
end
local specs = {}
local colon_separated_groups = iut.split_alternating_runs(comma_separated_group, ":")
for _, colon_separated_group in ipairs(colon_separated_groups) do
local form = colon_separated_group[1]
if form == "*" or form == "++*" then
error("* and ++* not allowed inside of indicator specs: " .. angle_bracket_spec)
end
if form == "" then
form = nil
end
table.insert(specs, {form = form, qualifiers = fetch_qualifiers(colon_separated_group)})
end
return specs
end
local s_specs = fetch_specs(comma_separated_groups[1])
local ing_specs = fetch_specs(comma_separated_groups[2])
local ed_specs = fetch_specs(comma_separated_groups[3])
local en_specs = fetch_specs(comma_separated_groups[4])
for _, spec in ipairs(s_specs) do
if spec.form == "++" and #ing_specs == 1 and not ing_specs[1].form and not ing_specs[1].qualifiers
and #ed_specs == 1 and ed_specs[1].form and not ed_specs[1].qualifiers then
ing_specs[1].form = "++"
ed_specs[1].form = "++"
break
end
end
return {
forms = {},
s_specs = s_specs,
ing_specs = ing_specs,
ed_specs = ed_specs,
en_specs = en_specs,
}
end
local parse_props = {
parse_indicator_spec = parse_indicator_spec,
}
local alternant_multiword_spec = iut.parse_inflected_text(par1, parse_props)
-- (2) Remove any links from the lemma, but remember the original form
-- so we can use it below in the 'lemma_linked' form.
iut.map_word_specs(alternant_multiword_spec, function(base)
if base.lemma == "" then
base.lemma = pagename
end
base.orig_lemma = base.lemma
base.lemma = require("Module:links").remove_links(base.lemma)
end)
-- (3) Conjugate the verbs according to the indicator specs parsed above.
local all_verb_slots = {
lemma = "infinitive",
lemma_linked = "infinitive",
s_form = "3|s|pres",
ing_form = "pres|ptcp",
ed_form = "past",
en_form = "past|ptcp",
}
local function conjugate_verb(base)
local def_s_form, def_ing_form, def_ed_form = base_default_verb_forms(base.lemma)
local function process_specs(slot, specs, default_form, canonicalize_plusplus)
for _, spec in ipairs(specs) do
local form = spec.form
if not form or form == "+" then
form = default_form
elseif form == "++" then
form = canonicalize_plusplus()
end
-- If there's a ~ in the form, substitute it with the lemma,
-- but make sure to first replace % in the lemma with %% so that
-- it doesn't get interpreted as a capture replace expression.
if form:find("~") then
-- Assign to a var because gsub returns multiple values.
local subbed_lemma = base.lemma:gsub("%%", "%%%%")
form = form:gsub("~", subbed_lemma)
end
-- If the form is -, don't insert any forms, which will result
-- in there being no overall forms (in fact it will be nil).
-- We check for that down below and substitute a single "-" as
-- the form, which in turn gets turned into special labels like
-- "no present participle".
if form ~= "-" then
iut.insert_form(base.forms, slot, {form = form, footnotes = spec.qualifiers})
end
end
end
process_specs("s_form", base.s_specs, def_s_form,
function() return compute_plusplus_s_form(base.lemma, def_s_form) end)
process_specs("ing_form", base.ing_specs, def_ing_form,
function() return compute_double_last_cons_stem(base.lemma) .. "ing" end)
process_specs("ed_form", base.ed_specs, def_ed_form,
function() return compute_double_last_cons_stem(base.lemma) .. "ed" end)
-- If the -en spec is completely missing, substitute the -ed spec in its entirely.
-- Otherwise, if individual -en forms are missing or use +, we will substitute the
-- default -ed form, as with the -ed spec.
local en_specs = base.en_specs
if #en_specs == 1 and not en_specs[1].form and not en_specs[1].qualifiers then
en_specs = base.ed_specs
end
process_specs("en_form", en_specs, def_ed_form,
function() return compute_double_last_cons_stem(base.lemma) .. "ed" end)
iut.insert_form(base.forms, "lemma", {form = base.lemma})
-- Add linked version of lemma for use in head=. We write this in a general fashion in case
-- there are multiple lemma forms (which isn't possible currently at this level, although it's
-- possible overall using the ((...,...)) notation).
iut.insert_forms(base.forms, "lemma_linked", iut.map_forms(base.forms.lemma, function(form)
if form == base.lemma and base.orig_lemma:find("%[%[") then
return base.orig_lemma
else
return form
end
end))
end
local inflect_props = {
slot_table = all_verb_slots,
inflect_word_spec = conjugate_verb,
}
iut.inflect_multiword_or_alternant_multiword_spec(alternant_multiword_spec, inflect_props)
-- (4) Fetch the forms and put the conjugated lemmas in data.heads if not explicitly given.
local function fetch_forms(slot)
local forms = alternant_multiword_spec.forms[slot]
-- See above. This should only occur if the user explicitly used -
-- for a spec.
if not forms or #forms == 0 then
forms = {{form = "-"}}
end
return forms
end
local pres_3sgs = fetch_forms("s_form")
local pres_ptcs = fetch_forms("ing_form")
local pasts = fetch_forms("ed_form")
local past_ptcs = fetch_forms("en_form")
-- Use the "linked" form of the lemma as the head if no head= explicitly given.
-- If no links in this form and it has multiple words, autolink the individual words.
-- The user can override this using head=.
if #data.heads == 0 then
for _, lemma_obj in ipairs(alternant_multiword_spec.forms.lemma_linked) do
local lemma = lemma_obj.form
if not lemma:find("%[%[") then
local m_headword = require("Module:headword")
if m_headword.head_is_multiword(lemma) then
lemma = m_headword.add_multiword_links(lemma)
end
end
table.insert(data.heads, lemma)
end
end
return pres_3sgs, pres_ptcs, pasts, past_ptcs, past_ptcs_given
end
return export