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if not modules then modules = { } end modules ['publ-aut'] = {
version = 1.001,
comment = "this module part of publication support",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
if not characters then
dofile(resolvers.findfile("char-def.lua"))
dofile(resolvers.findfile("char-ini.lua"))
end
local lpeg = lpeg
local type, next, tostring = type, next, tostring
local concat = table.concat
local utfchar = utf.char
local formatters = string.formatters
local P, C, V, Cs, Ct, Cg, Cf, Cc = lpeg.P, lpeg.C, lpeg.V, lpeg.Cs, lpeg.Ct, lpeg.Cg, lpeg.Cf, lpeg.Cc
local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns
local context = context
----- commands = commands
local implement = interfaces.implement
local ctx_setmacro = interfaces.setmacro
local publications = publications
local datasets = publications.datasets
local getcasted = publications.getcasted
local allocate = utilities.storage.allocate
local chardata = characters.data
local report = logs.reporter("publications","authors")
-- local function makesplitter(separator)
-- return Ct { "start",
-- start = (Cs((V("outer") + (1-separator))^1) + separator^1)^1,
-- start = Cs(V("outer")) + (Cs((V("inner") + (1-separator))^1) + separator^1)^1,
-- outer = (P("{")/"") * ((V("inner") + P(1-P("}")))^0) * (P("}")/""),
-- inner = P("{") * ((V("inner") + P(1-P("}")))^0) * P("}"),
-- }
-- end
-- authorlist = { authorspec and authorspec and authorspec }
-- authorspec = composedname
-- authorspec = surnames, firstnames
-- authorspec = von, surnames, firstnames
-- authorspec = von, surnames, jr, firstnames
-- authorspec = von, surnames, jr, firstnames, initials
local space = lpegpatterns.whitespace
local comma = P(",")
local period = P(".")
local dash = P("-")
local firstcharacter = lpegpatterns.utf8byte
local utf8character = lpegpatterns.utf8character
local p_and = space^1 * (P("and") + P("&&") + P("++")) * space^1
local p_comma = space^0 * comma * space^0
local p_space = space^1
local p_shortone = C((utf8character -dash-period)^1)
local p_longone = C( utf8character) * (1-dash-period)^0
local p_empty = P("{}")/"" * #(p_space^0 * (P(-1) + P(",")))
local andsplitter = Ct { "start",
start = (Cs((V("inner") + (1-p_and))^1) + p_and)^1,
inner = P("{") * ((V("inner") + P(1-P("}")))^1) * P("}"),
}
local commasplitter = Ct { "start",
start = Cs(V("outer")) + (p_empty + Cs((V("inner") + (1-p_comma))^1) + p_comma)^1,
outer = (P("{")/"") * ((V("inner") + P(1-P("}")))^1) * (P("}")/""),
inner = P("{") * ((V("inner") + P(1-P("}")))^1) * P("}"),
}
local spacesplitter = Ct { "start",
start = Cs(V("outer")) + (Cs((V("inner") + (1-p_space))^1) + p_space)^1,
outer = (P("{")/"") * ((V("inner") + P(1-P("}")))^1) * (P("}")/""),
inner = P("{") * ((V("inner") + P(1-P("}")))^1) * P("}"),
}
local p_initial = p_shortone * period * dash^0
+ p_longone * (period + dash + P(-1))
local initialsplitter = p_initial * P(-1) + Ct((p_initial)^1)
local optionsplitter = Cf(Ct("") * Cg(C((1-space)^1) * space^0 * Cc(true))^1,rawset)
local function is_upper(str)
local first = lpegmatch(firstcharacter,str)
local okay = chardata[first]
return okay and okay.category == "lu"
end
-- local cleaner = Cs( ( P("{}")/"" + P(1) )^1 )
local cache = { } -- 33% reuse on tugboat.bib
local nofhits = 0
local nofused = 0
publications.authorcache = cache
local function makeinitials(firstnames)
if firstnames and #firstnames > 0 then
local initials = { }
for i=1,#firstnames do
initials[i] = lpegmatch(initialsplitter,firstnames[i])
end
return initials
end
end
local function splitauthorstring(str)
if str then
-- str = lpegmatch(cleaner,str)
else
return
end
nofused = nofused + 1
local authors = cache[str]
if authors then
-- hit 1
-- print("hit 1",author,nofhits,nofused,math.round(100*nofhits/nofused))
return { authors } -- we assume one author
end
local authors = lpegmatch(andsplitter,str)
for i=1,#authors do
local author = authors[i]
local detail = cache[author]
if detail then
-- hit 2
-- print("hit 2",author,nofhits,nofused,math.round(100*nofhits/nofused))
end
if not detail then
local firstnames, vons, surnames, initials, juniors, options
local split = lpegmatch(commasplitter,author)
local n = #split
detail = {
original = author,
snippets = n,
}
if n == 1 then
-- {First Middle von Last}
local words = lpegmatch(spacesplitter,author)
firstnames, vons, surnames = { }, { }, { }
local i, n = 1, #words
while i <= n do
local w = words[i]
if is_upper(w) then
firstnames[#firstnames+1], i = w, i + 1
else
break
end
end
while i <= n do
local w = words[i]
if is_upper(w) then
break
else
vons[#vons+1], i = w, i + 1
end
end
if i <= n then
while i <= n do
surnames[#surnames+1], i = words[i], i + 1
end
elseif #vons == 0 then
surnames[1] = firstnames[#firstnames]
firstnames[#firstnames] = nil
else
-- mess
end
if #surnames == 0 then
-- safeguard
firstnames = { }
vons = { }
surnames = { author }
else
initials = makeinitials(firstnames)
end
elseif n == 2 then
-- {Last, First}
-- {von Last, First}
firstnames, vons, surnames = { }, { }, { }
local words = lpegmatch(spacesplitter,split[1])
local i, n = 1, #words
while i <= n do
local w = words[i]
if is_upper(w) then
break
else
vons[#vons+1], i = w, i + 1
end
end
while i <= n do
surnames[#surnames+1], i = words[i], i + 1
end
--
local words = lpegmatch(spacesplitter,split[2])
local i, n = 1, #words
while i <= n do
local w = words[i]
if is_upper(w) then
firstnames[#firstnames+1], i = w, i + 1
else
break
end
end
while i <= n do
vons[#vons+1], i = words[i], i + 1
end
if surnames and firstnames and #surnames == 0 then
-- safeguard
surnames[1] = firstnames[#firstnames]
firstnames[#firstnames] = nil
end
initials = makeinitials(firstnames)
elseif n == 3 then
-- {von Last, First, Jr}
surnames = lpegmatch(spacesplitter,split[1])
juniors = lpegmatch(spacesplitter,split[2])
firstnames = lpegmatch(spacesplitter,split[3])
initials = makeinitials(firstnames)
elseif n == 4 then
-- {Von, Last, First, Jr}
vons = lpegmatch(spacesplitter,split[1])
surnames = lpegmatch(spacesplitter,split[2])
juniors = lpegmatch(spacesplitter,split[3])
firstnames = lpegmatch(spacesplitter,split[4])
initials = makeinitials(firstnames)
elseif n >= 5 then
-- {Von, Last, First, Jr, F.}
-- {Von, Last, First, Jr, Fr., options}
vons = lpegmatch(spacesplitter,split[1])
surnames = lpegmatch(spacesplitter,split[2])
juniors = lpegmatch(spacesplitter,split[3])
firstnames = lpegmatch(spacesplitter,split[4])
initials = lpegmatch(spacesplitter,split[5])
options = split[6]
if options then
options = lpegmatch(optionsplitter,options)
end
end
if firstnames and #firstnames > 0 then detail.firstnames = firstnames end
if vons and #vons > 0 then detail.vons = vons end
if surnames and #surnames > 0 then detail.surnames = surnames end
if initials and #initials > 0 then detail.initials = initials end
if juniors and #juniors > 0 then detail.juniors = juniors end
if options and next(options) then detail.options = options end
cache[author] = detail
nofhits = nofhits + 1
end
authors[i] = detail
end
return authors
end
local function the_initials(initials,symbol,connector)
if not symbol then
symbol = "."
end
if not connector then
connector = "-"
end
local result, r = { }, 0
for i=1,#initials do
local initial = initials[i]
if type(initial) == "table" then
local set, s = { }, 0
for i=1,#initial do
if i > 1 then
s = s + 1 ; set[s] = connector
end
s = s + 1 ; set[s] = initial[i]
s = s + 1 ; set[s] = symbol
end
r = r + 1 ; result[r] = concat(set)
else
r = r + 1 ; result[r] = initial .. symbol
end
end
return result
end
local ctx_btxsetconcat = context.btxsetconcat
local ctx_btxsetoverflow = context.btxsetoverflow
local ctx_btxsetinitials = context.btxsetinitials
local ctx_btxsetfirstnames = context.btxsetfirstnames
local ctx_btxsetvons = context.btxsetvons
local ctx_btxsetsurnames = context.btxsetsurnames
local ctx_btxsetjuniors = context.btxsetjuniors
local ctx_btxciteauthorsetup = context.btxciteauthorsetup
local ctx_btxlistauthorsetup = context.btxlistauthorsetup
local ctx_btxsetauthorvariant = context.btxsetauthorvariant
local ctx_btxstartauthor = context.btxstartauthor
local ctx_btxstopauthor = context.btxstopauthor
local concatstate = publications.concatstate
local f_invalid = formatters["<invalid %s: %s>"]
local currentauthordata = nil
local currentauthorsymbol = nil
local manipulators = typesetters.manipulators
local splitmanipulation = manipulators.splitspecification
local applymanipulation = manipulators.applyspecification
local manipulatormethods = manipulators.methods
local function value(i,field)
if currentauthordata then
local entry = currentauthordata[i]
if entry then
local value = entry[field]
if value and #value > 0 then
return value
end
end
end
end
implement { name = "btxcurrentfirstnames", arguments = "integer", actions = function(i) local v = value(i,"initials") if v then context(concat(the_initials(v,currentauthorsymbol))) end end }
implement { name = "btxcurrentinitials", arguments = "integer", actions = function(i) local v = value(i,"firstnames") if v then context(concat(v," ")) end end }
implement { name = "btxcurrentjuniors", arguments = "integer", actions = function(i) local v = value(i,"juniors") if v then context(concat(v," ")) end end }
implement { name = "btxcurrentsurnames", arguments = "integer", actions = function(i) local v = value(i,"surnames") if v then context(concat(v," ")) end end }
implement { name = "btxcurrentvons", arguments = "integer", actions = function(i) local v = value(i,"vons") if v then context(concat(v," ")) end end }
local function btxauthorfield(i,field)
if currentauthordata then
local entry = currentauthordata[i]
if entry then
local manipulator, field = splitmanipulation(field)
local value = entry[field]
if not value or #value == 0 then
-- value, no need for message
elseif manipulator then
for i=1,#value do
if i > 1 then
context(" ")
end
context(applymanipulation(manipulator,value) or value)
end
elseif field == "initials" then
context(concat(the_initials(value,currentauthorsymbol)))
else
context(concat(value," "))
end
end
end
end
-- This is somewhat tricky: an author is not always an author but
-- can also be a title or key, depending on the (optional) set it's
-- in. Also, authors can be combined with years and so and they
-- might be called upon mixed with other calls.
local function btxauthor(dataset,tag,field,settings)
local split, usedfield, kind = getcasted(dataset,tag,field)
if kind == "author" then
local max = split and #split or 0
if max == 0 then
return
-- error
end
local etallimit = tonumber(settings.etallimit) or 1000
local etaldisplay = tonumber(settings.etaldisplay) or etallimit
local combiner = settings.combiner
local symbol = settings.symbol
local index = settings.index
if not combiner or combiner == "" then
combiner = "normal"
end
if not symbol then
symbol = "."
end
local ctx_btxsetup = settings.kind == "cite" and ctx_btxciteauthorsetup or ctx_btxlistauthorsetup
if max > etallimit and etaldisplay < max then
max = etaldisplay
end
currentauthordata = split
currentauthorsymbol = symbol
local function oneauthor(i)
local author = split[i]
if index then
ctx_btxstartauthor(i,1,0)
else
local state = author.state or 0
ctx_btxstartauthor(i,max,state)
ctx_btxsetconcat(concatstate(i,max))
ctx_btxsetauthorvariant(combiner)
end
local initials = author.initials
if initials and #initials > 0 then
ctx_btxsetinitials() -- (concat(the_initials(initials,symbol)," "))
end
local firstnames = author.firstnames
if firstnames and #firstnames > 0 then
ctx_btxsetfirstnames() -- (concat(firstnames," "))
end
local vons = author.vons
if vons and #vons > 0 then
ctx_btxsetvons() -- (concat(vons," "))
end
local surnames = author.surnames
if surnames and #surnames > 0 then
ctx_btxsetsurnames() -- (concat(surnames," "))
end
local juniors = author.juniors
if juniors and #juniors > 0 then
ctx_btxsetjuniors() -- (concat(juniors," "))
end
if not index and i == max then
local overflow = #split - max
if overflow > 0 then
ctx_btxsetoverflow(overflow)
end
end
ctx_btxsetup(combiner)
ctx_btxstopauthor()
end
if index then
oneauthor(index)
else
for i=1,max do
oneauthor(i)
end
end
else
report("ignored field %a of tag %a, used field %a is no author",field,tag,usedfield)
end
end
implement {
name = "btxauthorfield",
actions = btxauthorfield,
arguments = { "integer", "string" }
}
implement {
name = "btxauthor",
actions = btxauthor,
arguments = {
"string",
"string",
"string",
{
{ "combiner" },
{ "kind" },
{ "etallimit" },
{ "etaldisplay" },
{ "symbol" },
}
}
}
local function components(snippet,short)
local vons = snippet.vons
local surnames = snippet.surnames
local initials = snippet.initials
local firstnames = not short and snippet.firstnames
local juniors = snippet.juniors
return
vons and #vons > 0 and concat(vons," ") or "",
surnames and #surnames > 0 and concat(surnames," ") or "",
initials and #initials > 0 and concat(the_initials(initials)," ") or "",
firstnames and #firstnames > 0 and concat(firstnames," ") or "",
juniors and #juniors > 0 and concat(juniors, " ") or ""
end
local collapsers = allocate { }
publications.authorcollapsers = collapsers
local function default(author)
local vons = author.vons
local surnames = author.surnames
local initials = author.initials
local firstnames = author.firstnames
local juniors = author.juniors
local result = { }
local nofresult = 0
if vons and #vons > 0 then
nofresult = nofresult + 1 ; result[nofresult] = concat(vons," ")
end
if surnames and #surnames > 0 then
nofresult = nofresult + 1 ; result[nofresult] = concat(surnames," ")
end
if initials and #initials > 0 then
nofresult = nofresult + 1 ; result[nofresult] = concat(the_initials(initials)," ")
end
if firstnames and #firstnames > 0 then
nofresult = nofresult + 1 ; result[nofresult] = concat(firstnames," ")
end
if juniors and #juniors > 0 then
nofresult = nofresult + 1 ; result[nofresult] = concat(juniors," ")
end
return concat(result," ")
end
collapsers.default = default
local function writer(key,snippets)
if not key then
return ""
end
if type(key) == "string" then
return key
end
local n = #key
if n == 0 then
return ""
elseif n == 1 then
local author = key[1]
local options = author.options
if options then
for option in next, options do
local collapse = collapsers[option]
if collapse then
return collapse(author)
end
end
end
return default(author)
else
local t = { }
local s = 0
for i=1,n do
local author = key[i]
local options = author.options
s = s + 1
if options then
local done = false
for option in next, options do
local collapse = collapsers[option]
if collapse then
t[s] = collapse(author)
done = true
end
end
if not done then
t[s] = default(author)
end
else
t[s] = default(author)
end
end
return concat(t," & ")
end
end
publications.writers .author = writer
publications.casters .author = splitauthorstring
publications.components.author = components
-- sharedmethods.author = {
-- { field = "key", default = "", unknown = "" },
-- { field = "author", default = "", unknown = "" },
-- { field = "title", default = "", unknown = "" },
-- }
-- Analysis of the APA by Alan:
--
-- first : key author editor publisher title journal volume number pages
-- second: year suffix title month day journal volume number
publications.sortmethods.authoryear = {
sequence = {
{ field = "key", default = "", unknown = "" },
{ field = "author", default = "", unknown = "" },
{ field = "year", default = "9998", unknown = "9999" },
{ field = "suffix", default = " ", unknown = " " },
{ field = "month", default = "13", unknown = "14" },
{ field = "day", default = "32", unknown = "33" },
{ field = "journal", default = "", unknown = "" },
{ field = "volume", default = "", unknown = "" },
{ field = "number", default = "", unknown = "" },
{ field = "title", default = "", unknown = "" },
{ field = "pages", default = "", unknown = "" },
},
}
|