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|
--
-- Copyright (c) 2021-2024 Zeping Lee
-- Released under the MIT license.
-- Repository: https://github.com/zepinglee/citeproc-lua
--
local util = {}
local uni_utf8
if kpse then
uni_utf8 = require("unicode").grapheme
else
uni_utf8 = require("lua-utf8")
end
local inspect -- only load it when debugging
local journal_data = nil -- load as needed
-- Deep copy
function util.deep_copy(obj)
local res
if type(obj) == "table" then
res = {}
local meta_table = getmetatable(obj)
if meta_table then
setmetatable(res, meta_table)
end
for key, value in pairs(obj) do
res[key] = util.deep_copy(value)
end
else
res = obj
end
return res
end
-- Shallow copy
function util.clone(obj)
if type(obj) == "table" then
local res = {}
for key, value in pairs(obj) do
res[key] = value
end
return setmetatable(res, getmetatable(obj))
else
return obj
end
end
---Limitation: Hierarchical or multiple inheritance is not supported.
---@param obj table
---@param class table
---@return boolean
function util.is_instance(obj, class)
return (type(obj) == "table" and obj._type == class._type)
end
function util.join(list, delimiter)
-- Why not return table.concat(list, delimiter)?
local res = {}
for i, item in ipairs(list) do
if i > 1 then
table.insert(res, delimiter)
end
table.insert(res, item)
end
return res
end
function util.to_boolean(str)
if not str then
return false
end
if str == "true" then
return true
elseif str == "false" then
return false
else
util.warning(string.format("Invalid boolean string '%s'", str))
return false
end
end
function util.to_list(str)
if not str then
return nil
end
return util.split(str)
end
--- Concat with CJK or western colon
---@param main_title string
---@param substitle string
function util.join_title(main_title, substitle)
local code_point = utf8.codepoint(main_title, utf8.len(main_title))
if util.is_cjk_char(code_point) then
return main_title .. ":" .. substitle
else
code_point = utf8.codepoint(substitle, 1)
if util.is_cjk_char(code_point) then
return main_title .. ":" .. substitle
else
return main_title .. ": " .. substitle
end
end
end
function util.to_ordinal (n)
-- assert(type(n) == "number")
local last_digit = n % 10
if last_digit == 1 and n ~= 11
then return tostring(n) .. "st"
elseif last_digit == 2 and n ~= 12
then return tostring(n) .. "nd"
elseif last_digit == 3 and n ~= 13
then return tostring(n) .. "rd"
else
return tostring(n) .. "th"
end
end
util.quiet_mode = false
-- A file handle to usually a `.blg` file.
util.logging_file = nil
function util.set_logging_file(path)
util.logging_file = io.open(path, "w")
if not util.logging_file then
util.error(string.format("Cannot write to '%s'.", path))
end
util.logging_file = io.open(path, 'a')
end
function util.close_logging_file()
if util.logging_file then
util.logging_file:close()
end
end
util.num_errors = 0
util.num_warnings = 0
---@param message string
function util.error(message)
util.num_errors = util.num_errors + 1
if luatexbase then
-- Run in LuaLaTeX
tex.print(string.format("\\csname msg_error:nnn\\endcsname{citeproc}{citeproc-error}{%s}", message))
-- Don't use the following methods.
-- `error()` prints long traceback when run in LuaLaTeX.
-- texio.write_nl("term", "\n")
-- `tex.error()` prints annoying `\lua_now:e #1->` when called from LaTeX3 interface.
-- `luatexbase.module_error()` prints traceback.
-- tex.print(string.format("\\PackageError{CSL}{%s}{}", message))
else
-- Run in citeproc-lua script
-- This format is used by latexmk. DO NOT change.
message = "Error: " .. message
-- Following bibtex and biber, the error message is printed to stdout rather than stderr.
-- And the error doesn't break the execution of the script.
print(message)
if util.logging_file then
util.logging_file:write(message .. "\n")
end
end
end
util.warning_enabled = true
function util.warning(message)
util.num_warnings = util.num_warnings + 1
if luatexbase then
tex.print(string.format("\\csname msg_warning:nnn\\endcsname{citeproc}{citeproc-warning}{%s}", message))
else
-- This format is used by latexmk. DO NOT change.
message = "Warning: " .. message
if util.logging_file then
util.logging_file:write(message .. "\n")
end
if util.warning_enabled then
io.stderr:write(message, "\n")
end
end
end
---@param message string
function util.info(message)
if not luatexbase and not util.quiet_mode then
print(message)
end
if util.logging_file then
util.logging_file:write(message .. "\n")
end
end
local remove_all_metatables = nil
function util.debug(obj)
local text
if type(obj) == "table" and (obj._debug or (obj[1] and obj[1]._debug)) then
if obj._debug then
text = obj:_debug()
else
text = ""
for _, child in ipairs(obj) do
text = text .. child:_debug()
end
end
else
if not inspect then
inspect = require("inspect")
remove_all_metatables = function (item, path)
if path[#path] ~= inspect.METATABLE then
return item
end
end
end
text = inspect(obj, {process = remove_all_metatables})
end
io.stderr:write("[")
io.stderr:write(debug.getinfo(2, "S").source:sub(2))
io.stderr:write(":")
io.stderr:write(debug.getinfo(2, "l").currentline)
io.stderr:write("] ")
io.stderr:write(text)
io.stderr:write("\n")
end
-- Similar to re.split() in Python
---comment
---@param str string
---@param sep string?
---@param maxsplit integer?
---@return string[]
function util.split(str, sep, maxsplit)
if type(str) ~= "string" then
util.error("Invalid string")
end
sep = sep or "%s+"
if sep == "" then
util.error("Empty separator")
end
if str == "" then
return {}
end
if string.find(str, sep) == nil then
return { str }
end
if maxsplit == nil or maxsplit < 0 then
maxsplit = -1 -- No limit
end
local result = {}
local pattern = "(.-)" .. sep .. "()"
local num_splits = 0
local lastPos = 1
for part, pos in string.gmatch(str, pattern) do
if num_splits == maxsplit then
break
end
num_splits = num_splits + 1
result[num_splits] = part
lastPos = pos
end
-- Handle the last field
result[num_splits + 1] = string.sub(str, lastPos)
return result
end
function util.split_multiple(str, seps, include_sep)
seps = seps or "%s+"
if seps == "" then
error("Empty separator")
end
if type(seps) == "string" then
seps = {seps}
end
local splits = {}
for _, sep_pattern in ipairs(seps) do
for start, sep, stop in string.gmatch(str, "()(" .. sep_pattern .. ")()") do
table.insert(splits, {start, sep, stop})
end
end
if #seps > 1 then
table.sort(splits, function (a, b) return a[1] < b[1] end)
end
local res = {}
local previous = 1
for _, sep_tuple in ipairs(splits) do
local start, sep, stop = table.unpack(sep_tuple)
local item = string.sub(str, previous, start - 1)
if include_sep then
table.insert(res, {item, sep})
else
table.insert(res, item)
end
previous = stop
end
local item = string.sub(str, previous, #str)
if include_sep then
table.insert(res, {item, ""})
else
table.insert(res, item)
end
return res
end
function util.slice (t, start, stop)
start = start or 1
stop = stop or #t
if start < 0 then
start = start + #t + 1
end
if stop < 0 then
stop = stop + #t + 1
end
local new = {}
for i, item in ipairs(t) do
if i >= start and i <= stop then
table.insert(new, item)
end
end
return new
end
function util.concat (list, sep)
-- This helper function omits empty strings in list, which is different from table.concat
-- This function always returns a string, even empty.
local res = ""
for i = 1, #list do
local s = list[i]
if s and s~= "" then
if res == "" then
res = s
else
res = res .. sep .. s
end
end
end
return res
end
-- Python list.extend()
function util.extend(first, second)
-- if not second then
-- print(debug.traceback())
-- end
local l = #first
for i, element in ipairs(second) do
first[l + i] = element
end
return first
end
-- Concat two lists in place
function util.concat_list(first, second)
local res
for i, element in ipairs(first) do
res[i] = element
end
local i = #res
for j, element in ipairs(second) do
res[i + j] = element
end
return res
end
---@param str string
---@return string
function util.lstrip (str)
if not str then
error("Invalid input")
end
local res = string.gsub(str, "^%s*", "")
return res
end
---@param str string
---@param prefix string
---@return string
function util.remove_prefix(str, prefix)
if type(str) ~= "string" or type(prefix) ~= "string" then
error("Invalid input")
end
if util.startswith(str, prefix) then
return string.sub(str, #prefix + 1)
end
return str
end
---@param str string
---@return string
function util.rstrip (str)
if not str then
error("Invalid input")
end
local res = string.gsub(str, "%s*$", "")
return res
end
---@param str string
---@return string
function util.strip (str)
return util.lstrip(util.rstrip(str))
end
function util.startswith(str, prefix)
if type(str) ~= "string" then
util.error(string.format("\n%s\n'%s' is not a string.", debug.traceback(), str))
end
return string.sub(str, 1, #prefix) == prefix
end
function util.endswith(str, suffix)
-- if not str or type(str) ~= "string" then
-- print(debug.traceback())
-- end
return string.sub(str, -#suffix) == suffix
end
---@param str string | number
---@return boolean
function util.is_numeric(str)
if str == nil or str == "" then
return false
end
str = string.gsub(str, util.unicode["en dash"], "-")
local res = true
for w in string.gmatch(str, "%w+") do
if not string.match(w, "^%w*%d+%a*$") and
not string.match(w, "^and$") and
not string.match(w, "^et$") and
not string.match(w, "^[MDCLXVI]+$") and
not string.match(w, "^[mdclxvi]+$") then
-- Roman number without validation
return false
end
end
for w in string.gmatch(str, "%W+") do
if not string.match(w, "^%s*[,&-]+%s*$")
and not string.match(str, "%s+") then
res = false
break
end
end
return res
end
util.variable_types = {}
-- schema/schemas/styles/csl-variables.rnc
util.variables = {}
-- -- Standard variables
-- util.variables.standard = {
-- "abstract",
-- "annote",
-- "archive",
-- "archive_collection",
-- "archive_location",
-- "archive-place",
-- "authority",
-- "call-number",
-- "citation-key",
-- "citation-label",
-- "collection-title",
-- "container-title",
-- "container-title-short",
-- "dimensions",
-- "division",
-- "DOI",
-- "event",
-- "event-title",
-- "event-place",
-- "genre",
-- "ISBN",
-- "ISSN",
-- "jurisdiction",
-- "keyword",
-- "language",
-- "license",
-- "medium",
-- "note",
-- "original-publisher",
-- "original-publisher-place",
-- "original-title",
-- "part-title",
-- "PMCID",
-- "PMID",
-- "publisher",
-- "publisher-place",
-- "references",
-- "reviewed-genre",
-- "reviewed-title",
-- "scale",
-- "source",
-- "status",
-- "title",
-- "title-short",
-- "URL",
-- "volume-title",
-- "year-suffix",
-- }
-- Number variables
util.variables.number = {
"chapter-number",
"citation-number",
"collection-number",
"edition",
"first-reference-note-number",
"issue",
"locator",
"number",
"number-of-pages",
"number-of-volumes",
"page",
"page-first",
"part-number",
"printing-number",
"section",
"supplement-number",
"version",
"volume",
}
-- Date variables
util.variables.date = {
"accessed",
"available-date",
"event-date",
"issued",
"original-date",
"submitted",
}
-- Name variables
util.variables.name = {
"author",
"chair",
"collection-editor",
"compiler",
"composer",
"container-author",
"contributor",
"curator",
"director",
"editor",
"editor-translator",
"editorial-director",
"executive-producer",
"guest",
"host",
"illustrator",
"interviewer",
"narrator",
"organizer",
"original-author",
"performer",
"producer",
"recipient",
"reviewed-author",
"script-writer",
"series-creator",
"translator",
}
util.variable_types = {}
for type, variables in pairs(util.variables) do
for _, variable in ipairs(variables) do
util.variable_types[variable] = type
end
end
util.primary_dialects = {
af= "af-ZA",
ar= "ar",
bg= "bg-BG",
ca= "ca-AD",
cs= "cs-CZ",
cy= "cy-GB",
da= "da-DK",
de= "de-DE",
el= "el-GR",
en= "en-US",
es= "es-ES",
et= "et-EE",
eu= "eu",
fa= "fa-IR",
fi= "fi-FI",
fr= "fr-FR",
he= "he-IL",
hi= "hi-IN",
hr= "hr-HR",
hu= "hu-HU",
id= "id-ID",
is= "is-IS",
it= "it-IT",
ja= "ja-JP",
km= "km-KH",
ko= "ko-KR",
la= "la",
lt= "lt-LT",
lv= "lv-LV",
mn= "mn-MN",
nb= "nb-NO",
nl= "nl-NL",
nn= "nn-NO",
pl= "pl-PL",
pt= "pt-PT",
ro= "ro-RO",
ru= "ru-RU",
sk= "sk-SK",
sl= "sl-SI",
sr= "sr-RS",
sv= "sv-SE",
th= "th-TH",
tr= "tr-TR",
uk= "uk-UA",
vi= "vi-VN",
zh= "zh-CN"
}
-- Range delimiter
util.unicode = {
["no-break space"] = "\u{00A0}",
["em space"] = "\u{2003}",
["en dash"] = "\u{2013}",
["em dash"] = "\u{2014}",
["left single quotation mark"] = "\u{2018}",
["right single quotation mark"] = "\u{2019}",
["apostrophe"] = "\u{2019}",
["left double quotation mark"] = "\u{201C}",
["right double quotation mark"] = "\u{201D}",
["left-pointing double angle quotation mark"] = "\u{00AB}",
["right-pointing double angle quotation mark"] = "\u{00BB}",
["horizontal ellipsis"] = "\u{2026}",
["narrow no-break space"] = "\u{202F}",
}
util.word_boundaries = {
":",
" ",
"%-",
"/",
util.unicode["no-break space"],
util.unicode["en dash"],
util.unicode["em dash"],
}
-- TODO: process multiple words
util.stop_words = {
["a"] = true,
["according to"] = true,
["across"] = true,
["afore"] = true,
["after"] = true,
["against"] = true,
["ahead of"] = true,
["along"] = true,
["alongside"] = true,
["amid"] = true,
["amidst"] = true,
["among"] = true,
["amongst"] = true,
["an"] = true,
["and"] = true,
["anenst"] = true,
["apart from"] = true,
["apropos"] = true,
["apud"] = true,
["around"] = true,
["as"] = true,
["as regards"] = true,
["aside"] = true,
["astride"] = true,
["at"] = true,
["athwart"] = true,
["atop"] = true,
["back to"] = true,
["barring"] = true,
["because of"] = true,
["before"] = true,
["behind"] = true,
["below"] = true,
["beneath"] = true,
["beside"] = true,
["besides"] = true,
["between"] = true,
["beyond"] = true,
["but"] = true,
["by"] = true,
["c"] = true,
["ca"] = true,
["circa"] = true,
["close to"] = true,
["d'"] = true,
["de"] = true,
["despite"] = true,
["down"] = true,
["due to"] = true,
["during"] = true,
["et"] = true,
["except"] = true,
["far from"] = true,
["for"] = true,
["forenenst"] = true,
["from"] = true,
["given"] = true,
["in"] = true,
["inside"] = true,
["instead of"] = true,
["into"] = true,
["lest"] = true,
["like"] = true,
["modulo"] = true,
["near"] = true,
["next"] = true,
["nor"] = true,
["notwithstanding"] = true,
["of"] = true,
["off"] = true,
["on"] = true,
["onto"] = true,
["or"] = true,
["out"] = true,
["outside of"] = true,
["over"] = true,
["per"] = true,
["plus"] = true,
["prior to"] = true,
["pro"] = true,
["pursuant to"] = true,
["qua"] = true,
["rather than"] = true,
["regardless of"] = true,
["sans"] = true,
["since"] = true,
["so"] = true,
["such as"] = true,
["than"] = true,
["that of"] = true,
["the"] = true,
["through"] = true,
["throughout"] = true,
["thru"] = true,
["thruout"] = true,
["till"] = true,
["to"] = true,
["toward"] = true,
["towards"] = true,
["under"] = true,
["underneath"] = true,
["until"] = true,
["unto"] = true,
["up"] = true,
["upon"] = true,
["v."] = true,
["van"] = true,
["versus"] = true,
["via"] = true,
["vis-à-vis"] = true,
["von"] = true,
["vs."] = true,
["where as"] = true,
["with"] = true,
["within"] = true,
["without"] = true,
["yet"] = true,
}
-- <https://github.com/Juris-M/citeproc-js/blob/73bc1b44bc7d54d0bfec4e070fd27f5efe024ff9/src/load.js#L1052C2-L1052C2>
local citeproc_js_addition_stop_words = {
["about"] = true,
["above"] = true,
["al"] = true,
["as for"] = true,
["as of"] = true,
["as per"] = true,
["aside from"] = true,
["except for"] = true,
["inside of"] = true,
["near to"] = true,
["next to"] = true,
["on to"] = true,
["out from"] = true,
["out of"] = true,
["up to"] = true,
["v"] = true,
["vs"] = true,
}
for word, _ in pairs(citeproc_js_addition_stop_words) do
util.stop_words[word] = true
end
function util.all (t)
for _, item in ipairs(t) do
if not item then
return false
end
end
return true
end
function util.any (t)
for _, item in ipairs(t) do
if item then
return true
end
end
return false
end
-- ROMANESQUE_REGEXP = "-0-9a-zA-Z\u0e01-\u0e5b\u00c0-\u017f\u0370-\u03ff\u0400-\u052f\u0590-\u05d4\u05d6-\u05ff\u1f00-\u1fff\u0600-\u06ff\u200c\u200d\u200e\u0218\u0219\u021a\u021b\u202a-\u202e"
util.romanesque_ranges = {
{0x0030, 0x0039}, -- 0-9
{0x0041, 0x005A}, -- A-Z
{0x0061, 0x007A}, -- a-z
{0x0E01, 0x0E5B}, -- Thai
{0x0E01, 0x0E5B}, -- Thai
{0x00C0, 0x017F}, -- Latin-1 Supplement
{0x0370, 0x03FF}, -- Greek and Coptic
{0x0400, 0x052F}, -- Cyrillic
{0x0590, 0x05D4}, -- Hebrew
{0x05D6, 0x05FF}, -- Hebrew
{0x1F00, 0x1FFF}, -- Greek Extended
{0x0600, 0x06FF}, -- Arabic
{0x202A, 0x202E}, -- Writing directions in General Punctuation
}
util.romanesque_chars = {
0x200c,
0x200d,
0x200e,
0x0218,
0x0219,
0x021a,
0x021b,
}
util.CJK_ranges = {
{0x4E00, 0x9FFF}, -- CJK Unified Ideographs
{0x3400, 0x4DBF}, -- CJK Unified Ideographs Extension A
{0x3040, 0x309F}, -- Hiragana
{0x30A0, 0x30FF}, -- Katakana
{0xF900, 0xFAFF}, -- CJK Compatibility Ideographs
{0x20000, 0x2A6DF}, -- CJK Unified Ideographs Extension B
{0x2A700, 0x2B73F}, -- CJK Unified Ideographs Extension C
{0x2B740, 0x2B81F}, -- CJK Unified Ideographs Extension D
{0x2B820, 0x2CEAF}, -- CJK Unified Ideographs Extension E
{0x2CEB0, 0x2EBEF}, -- CJK Unified Ideographs Extension F
{0x30000, 0x3134F}, -- CJK Unified Ideographs Extension G
{0x2F800, 0x2FA1F}, -- CJK Compatibility Ideographs Supplement
}
function util.in_list (value, list)
for _, v in ipairs(list) do
if value == v then
return true
end
end
return false
end
function util.in_ranges (value, ranges)
for _, range in ipairs(ranges) do
if value >= range[1] and value <= range[2] then
return true
end
end
return false
end
function util.is_romanesque(code_point)
if not code_point then
return false
end
if util.in_ranges(code_point, util.romanesque_ranges) then
return true
end
if util.in_list(code_point, util.romanesque_chars) then
return true
end
return false
end
function util.has_romanesque_char(s)
-- has romanesque char but not necessarily pure romanesque
if not s then
return false
end
for _, code_point in utf8.codes(s) do
if util.is_romanesque(code_point) then
return true
end
end
return false
end
function util.is_cjk_char(code_point)
if not code_point then
return false
end
if util.in_ranges(code_point, util.CJK_ranges) then
return true
end
return false
end
function util.has_cjk_char(s)
-- has romanesque char but not necessarily pure romanesque
if not s then
return false
end
for _, code_point in utf8.codes(s) do
if util.is_cjk_char(code_point) then
return true
end
end
return false
end
---@param ordinal string
---@return string
function util.convert_ordinal_to_arabic(ordinal)
-- "1st", "2nd"
local numeral, suffix = string.match(ordinal, "^(%d+)(%a+)$")
if numeral then
return numeral
end
local arabic = util.ordinal_to_arabic_map[string.lower(ordinal)]
if arabic then
return arabic
else
return ordinal
end
end
util.ordinal_to_arabic_map = {
first = "1",
second = "2",
third = "3",
fourth = "4",
fifth = "5",
sixth = "6",
seventh = "7",
eighth = "8",
ninth = "9",
tenth = "10",
eleventh = "11",
twelfth = "12",
thirteenth = "13",
fourteenth = "14",
fifteenth = "15",
sixteenth = "16",
seventeenth = "17",
eighteenth = "18",
nineteenth = "19",
twentieth = "20",
["twenty-first"] = "21",
["twenty-second"] = "22",
["twenty-third"] = "23",
["twenty-fourth"] = "24",
["twenty-fifth"] = "25",
["twenty-sixth"] = "26",
["twenty-seventh"] = "27",
["twenty-eighth"] = "28",
["twenty-ninth"] = "29",
thirtieth = "30",
}
function util.convert_roman (number)
-- assert(type(number) == "number")
local output = {}
for _, tuple in ipairs(util.roman_numerals) do
local letter, value = table.unpack(tuple)
table.insert(output, string.rep(letter, math.floor(number / value)))
number = number % value
end
return table.concat(output, "")
end
util.roman_numerals = {
{"m", 1000},
{"cm", 900},
{"d", 500},
{"cd", 400},
{"c", 100},
{"xc", 90},
{"l", 50},
{"xl", 40},
{"x", 10},
{"ix", 9},
{"v", 5},
{"iv", 4},
{"i", 1},
};
-- Choose
---@enum Postion
local Position = {
First = 0,
Subsequent = 1,
Ibid = 2,
IbidWithLocator = 3,
}
util.Position = Position
util.position_map = {
["first"] = Position.First,
["subsequent"] = Position.Subsequent,
["ibid"] = Position.Ibid,
["ibid-with-locator"] = Position.IbidWithLocator,
["container-subsequent"] = 4,
}
-- Output
util.superscripts = {
["\u{00AA}"] = "\u{0061}",
["\u{00B2}"] = "\u{0032}",
["\u{00B3}"] = "\u{0033}",
["\u{00B9}"] = "\u{0031}",
["\u{00BA}"] = "\u{006F}",
["\u{02B0}"] = "\u{0068}",
["\u{02B1}"] = "\u{0266}",
["\u{02B2}"] = "\u{006A}",
["\u{02B3}"] = "\u{0072}",
["\u{02B4}"] = "\u{0279}",
["\u{02B5}"] = "\u{027B}",
["\u{02B6}"] = "\u{0281}",
["\u{02B7}"] = "\u{0077}",
["\u{02B8}"] = "\u{0079}",
["\u{02E0}"] = "\u{0263}",
["\u{02E1}"] = "\u{006C}",
["\u{02E2}"] = "\u{0073}",
["\u{02E3}"] = "\u{0078}",
["\u{02E4}"] = "\u{0295}",
["\u{1D2C}"] = "\u{0041}",
["\u{1D2D}"] = "\u{00C6}",
["\u{1D2E}"] = "\u{0042}",
["\u{1D30}"] = "\u{0044}",
["\u{1D31}"] = "\u{0045}",
["\u{1D32}"] = "\u{018E}",
["\u{1D33}"] = "\u{0047}",
["\u{1D34}"] = "\u{0048}",
["\u{1D35}"] = "\u{0049}",
["\u{1D36}"] = "\u{004A}",
["\u{1D37}"] = "\u{004B}",
["\u{1D38}"] = "\u{004C}",
["\u{1D39}"] = "\u{004D}",
["\u{1D3A}"] = "\u{004E}",
["\u{1D3C}"] = "\u{004F}",
["\u{1D3D}"] = "\u{0222}",
["\u{1D3E}"] = "\u{0050}",
["\u{1D3F}"] = "\u{0052}",
["\u{1D40}"] = "\u{0054}",
["\u{1D41}"] = "\u{0055}",
["\u{1D42}"] = "\u{0057}",
["\u{1D43}"] = "\u{0061}",
["\u{1D44}"] = "\u{0250}",
["\u{1D45}"] = "\u{0251}",
["\u{1D46}"] = "\u{1D02}",
["\u{1D47}"] = "\u{0062}",
["\u{1D48}"] = "\u{0064}",
["\u{1D49}"] = "\u{0065}",
["\u{1D4A}"] = "\u{0259}",
["\u{1D4B}"] = "\u{025B}",
["\u{1D4C}"] = "\u{025C}",
["\u{1D4D}"] = "\u{0067}",
["\u{1D4F}"] = "\u{006B}",
["\u{1D50}"] = "\u{006D}",
["\u{1D51}"] = "\u{014B}",
["\u{1D52}"] = "\u{006F}",
["\u{1D53}"] = "\u{0254}",
["\u{1D54}"] = "\u{1D16}",
["\u{1D55}"] = "\u{1D17}",
["\u{1D56}"] = "\u{0070}",
["\u{1D57}"] = "\u{0074}",
["\u{1D58}"] = "\u{0075}",
["\u{1D59}"] = "\u{1D1D}",
["\u{1D5A}"] = "\u{026F}",
["\u{1D5B}"] = "\u{0076}",
["\u{1D5C}"] = "\u{1D25}",
["\u{1D5D}"] = "\u{03B2}",
["\u{1D5E}"] = "\u{03B3}",
["\u{1D5F}"] = "\u{03B4}",
["\u{1D60}"] = "\u{03C6}",
["\u{1D61}"] = "\u{03C7}",
["\u{2070}"] = "\u{0030}",
["\u{2071}"] = "\u{0069}",
["\u{2074}"] = "\u{0034}",
["\u{2075}"] = "\u{0035}",
["\u{2076}"] = "\u{0036}",
["\u{2077}"] = "\u{0037}",
["\u{2078}"] = "\u{0038}",
["\u{2079}"] = "\u{0039}",
["\u{207A}"] = "\u{002B}",
["\u{207B}"] = "\u{2212}",
["\u{207C}"] = "\u{003D}",
["\u{207D}"] = "\u{0028}",
["\u{207E}"] = "\u{0029}",
["\u{207F}"] = "\u{006E}",
["\u{2120}"] = "\u{0053}\u{004D}",
["\u{2122}"] = "\u{0054}\u{004D}",
["\u{3192}"] = "\u{4E00}",
["\u{3193}"] = "\u{4E8C}",
["\u{3194}"] = "\u{4E09}",
["\u{3195}"] = "\u{56DB}",
["\u{3196}"] = "\u{4E0A}",
["\u{3197}"] = "\u{4E2D}",
["\u{3198}"] = "\u{4E0B}",
["\u{3199}"] = "\u{7532}",
["\u{319A}"] = "\u{4E59}",
["\u{319B}"] = "\u{4E19}",
["\u{319C}"] = "\u{4E01}",
["\u{319D}"] = "\u{5929}",
["\u{319E}"] = "\u{5730}",
["\u{319F}"] = "\u{4EBA}",
["\u{02C0}"] = "\u{0294}",
["\u{02C1}"] = "\u{0295}",
["\u{06E5}"] = "\u{0648}",
["\u{06E6}"] = "\u{064A}",
}
-- File IO
function util.remove_bom(text)
if type(text) == "string" then
return string.gsub(text, "^\xEF\xBB\xBF", "")
else
return text
end
end
---@param path string
---@return string?
function util.read_file(path, allowe_missing)
if type(path) ~= "string" then
error("Invalid path.")
end
local file = io.open(path, "r")
if not file then
if not allowe_missing then
util.error(string.format("Cannot open file '%s'.", path))
end
return nil
end
local content = file:read("*a")
content = util.remove_bom(content)
file:close()
return content
end
---@param text string
---@param path string
function util.write_file(text, path)
local file = io.open(path, "w")
if not file then
util.error(string.format("Cannot write to file '%s'.", path))
return
end
file:write(text)
file:close()
end
function util.parse_edtf(str)
local date = {["date-parts"] = {}}
local range_parts = util.split(str, "/")
for i, range_part in ipairs(range_parts) do
if i > 2 then
break
end
date["date-parts"][i] = {}
local negative_year = false
if string.match(range_part, "^Y%-") then
negative_year = true
end
range_part = string.gsub(range_part, "^Y[+-]?", "")
if string.match(range_part, "[?~%%]$") then
date.circa = true
range_part = string.gsub(range_part, "[?~%%]$", "")
end
range_part = string.gsub(range_part, "T.*$", "")
for j, date_part in ipairs(util.split(range_part, "%-")) do
if j > 3 then
break
end
if string.match(date_part, "X") then
date.circa = true
date_part = string.gsub(date_part, "X", "0")
end
if string.match(date_part, "^%d+$") then
date_part = tonumber(date_part)
if date_part > 0 then
date["date-parts"][i][j] = date_part
else
break
end
else
return nil
end
end
if negative_year then
date["date-parts"][i][1] = - date["date-parts"][i][1]
end
end
return date
end
function util.parse_extra_name(str)
local name
local name_parts = util.split(str, "%s*||%s*")
if #name_parts == 2 then
name = {
family = name_parts[1],
given = name_parts[2],
}
else
name = {literal = str}
end
return name
end
function util.check_journal_abbreviations(item)
if item["container-title"] and not item["container-title-short"] then
if not journal_data then
if kpse then
journal_data = require("citeproc-journal-data")
else
journal_data = require("citeproc.journal-data")
end
end
local key = uni_utf8.upper(string.gsub(item["container-title"], "%.", ""))
local full = journal_data.unabbrevs[key]
if full then
item["container-title-short"] = item["container-title"]
item["container-title"] = full
else
local abbr = journal_data.abbrevs[key]
if abbr then
item["container-title-short"] = abbr
end
end
end
end
---CSL-M: `layout` extension
---Select the layout by
---@param element Citation | Bibliography
---@param engine CiteProc
---@param item any
---@return Layout
---@return string
function util.get_layout_by_language(element, engine, item)
if not item then
return element.layout, engine.lang
end
local entry_lang = item.language or ""
local language = string.sub(entry_lang, 1, 2)
local primary_dialect = util.primary_dialects[language] or ""
local layouts = element.layouts_by_language
local active_layout = layouts[entry_lang] or layouts[language] or layouts[primary_dialect]
local context_lang
if active_layout then
context_lang = entry_lang
else
context_lang = engine.lang
active_layout = element.layout
end
return active_layout, context_lang
end
util.trigraph = "Aaaa00:AaAa00:AaAA00:AAAA00"
---comment
---@param trigraph string
---@return { authors: integer[], year: integer }
function util.get_trigraph_param(trigraph)
if not trigraph or string.sub(trigraph, 1, 1) ~= "A" then
util.error(string.format("Bad trigraph definition: '%s'", trigraph))
end
local param = {
authors = {},
year = 0,
}
for i = 1, #trigraph do
local char = string.sub(trigraph, i, i)
if char == "A" then
table.insert(param.authors, 1)
elseif char == "a" then
local len = #param.authors
param.authors[len] = param.authors[len] + 1
elseif char == "0" then
param.year = param.year + 1
else
util.error(string.format("Invalid character '%s' in trigraph definition '%s'", char, trigraph))
end
end
return param
end
---comment
---@param item ItemData
---@return string
function util.get_citation_label(item)
local label = ""
local trigraph = util.split(util.trigraph, ":")
local config = util.get_trigraph_param(trigraph[1])
for _, name_variable in ipairs(util.variables.name) do
local names = item[name_variable]
if names then
local param = trigraph[1]
if #names > #trigraph then
param = trigraph[#trigraph]
else
param = trigraph[#names]
end
config = util.get_trigraph_param(param)
for i, name in ipairs(names) do
if i > #config.authors then
break
end
local name_label = ""
if name and name.family then
name_label = name.family
name_label = string.gsub(name_label, "^[ 'a-z]+%s*", "")
name_label = string.gsub(name_label, "^\u{2019}+%s*", "")
elseif name and name.literal then
name_label = name.literal
end
name_label = uni_utf8.lower(name_label)
name_label = string.gsub(name_label, "^a%s+", "")
name_label = string.gsub(name_label, "^an%s+", "")
name_label = string.gsub(name_label, "^the%s+", "")
-- TODO: Remove none reomanesque
name_label = uni_utf8.sub(name_label, 1, config.authors[i])
if #name_label > 1 then
name_label = uni_utf8.upper(uni_utf8.sub(name_label, 1, 1)) .. uni_utf8.lower(uni_utf8.sub(name_label, 2))
elseif #name_label == 1 then
name_label = uni_utf8.upper(name_label)
end
label = label .. name_label
end
break
end
end
if label == "" then
-- TODO: try the title
end
local year = "0000"
if item.issued and item.issued["date-parts"] then
year = tostring(item.issued["date-parts"][1][1])
end
year = string.sub(year, -config.year)
label = label .. year
return label
end
return util
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