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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 context = context
local chardata = characters.data
local tostring = tostring
local concat = table.concat
local utfchar = utf.char
local formatters = string.formatters
local P, C, V, Cs, Ct, lpegmatch, lpegpatterns = lpeg.P, lpeg.C, lpeg.V, lpeg.Cs, lpeg.Ct, lpeg.match, lpeg.patterns
local publications = publications or { }
local datasets = publications.datasets or { }
publications.datasets = datasets
local writers = publications.writers or { }
publications.writers = writers
local authors = publications.authors or { }
publications.authors = 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
local space = P(" ")
local comma = P(",")
local firstcharacter = lpegpatterns.utf8byte
-- local andsplitter = lpeg.tsplitat(space^1 * "and" * space^1)
-- local commasplitter = lpeg.tsplitat(space^0 * comma * space^0)
-- local spacesplitter = lpeg.tsplitat(space^1)
local p_and = space^1 * "and" * space^1
local p_comma = space^0 * comma * space^0
local p_space = space^1
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")) + (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 function is_upper(str)
local first = lpegmatch(firstcharacter,str)
local okay = chardata[first]
return okay and okay.category == "lu"
end
local cache = { } -- 33% reuse on tugboat.bib
local nofhits = 0
local nofused = 0
local function splitauthorstring(str)
if not str then
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
local split = lpegmatch(commasplitter,author)
-- inspect(split)
local n = #split
if n == 1 then
-- First 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
-- safeguard
if #surnames == 0 then
firstnames = { }
vons = { }
surnames = { author }
end
elseif n == 2 then
-- 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
else
-- von Last, Jr ,First
firstnames = lpegmatch(spacesplitter,split[1])
juniors = lpegmatch(spacesplitter,split[2])
surnames = lpegmatch(spacesplitter,split[3])
if n > 3 then
-- error
end
end
if #surnames == 0 then
surnames[1] = firstnames[#firstnames]
firstnames[#firstnames] = nil
end
if firstnames then
initials = { }
for i=1,#firstnames do
initials[i] = utfchar(lpegmatch(firstcharacter,firstnames[i]))
end
end
detail = {
original = author,
firstnames = firstnames,
vons = vons,
surnames = surnames,
initials = initials,
juniors = juniors,
}
cache[author] = detail
nofhits = nofhits + 1
end
authors[i] = detail
end
return authors
end
authors.splitstring = splitauthorstring
-- local function splitauthors(dataset,tag,field)
-- local entries = datasets[dataset]
-- local luadata = entries.luadata
-- if not luadata then
-- return { }
-- end
-- local entry = luadata[tag]
-- if not entry then
-- return { }
-- end
-- return splitauthorstring(entry[field])
-- end
local function the_initials(initials,symbol)
if not symbol or symbol == "" then
return initials
else
local result = { }
for i=1,#initials do
result[i] = initials[i] .. symbol
end
return result
end
end
local ctx_btxsetconcat = context.btxsetconcat
local ctx_btxsetauthorindex = context.btxsetauthorindex
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
function commands.btx_a_i(i) local v = value(i,"initials") if v then context(concat(the_initials(v,currentauthorsymbol or "."))) end end
function commands.btx_a_f(i) local v = value(i,"firstnames") if v then context(concat(v," ")) end end
function commands.btx_a_j(i) local v = value(i,"juniors") if v then context(concat(v," ")) end end
function commands.btx_a_s(i) local v = value(i,"surnames") if v then context(concat(v," ")) end end
function commands.btx_a_v(i) local v = value(i,"vons") if v then context(concat(v," ")) end end
function commands.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(" ") -- symbol ?
end
context(applymanipulation(manipulator,value) or value)
end
elseif field == "initials" then
context(concat(the_initials(value,currentauthorsymbol or ".")))
else
context(concat(value," "))
end
end
end
end
function commands.btxauthor(dataset,tag,field,settings)
local ds = datasets[dataset]
if not ds then
return f_invalid("dataset",dataset)
end
local dt = ds.details[tag]
if not dt then
return f_invalid("details",tag)
end
local split = dt[field]
if not split then
return f_invalid("field",field)
end
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
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
for i=1,max do
ctx_btxstartauthor(i,max)
ctx_btxsetconcat(concatstate(i,max))
ctx_btxsetauthorvariant(combiner)
local author = split[i]
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 i == max then
local overflow = #split - max
if overflow > 0 then
ctx_btxsetoverflow(overflow)
end
end
ctx_btxsetup(combiner)
ctx_btxstopauthor()
end
end
-- We can consider creating a hashtable key -> entry but I wonder if
-- pays off.
local compare = sorters.comparers.basic -- (a,b)
-- local compare = sorters.basicsorter -- (a,b)
local strip = sorters.strip
local splitter = sorters.splitters.utf
-- authors(s) | year | journal | title | pages
local pubsorters = { }
authors.sorters = pubsorters
local function writer(key,snippets)
if not key then
return ""
end
local n = #key
if n == 0 then
return ""
end
if not snippets then
snippets = { }
end
local s = 0
for i=1,n do
local k = key[i]
local vons = k.vons
local surnames = k.surnames
local initials = k.initials
if vons and #vons > 0 then
s = s + 1 ; snippets[s] = concat(vons," ")
end
if surnames and #surnames > 0 then
s = s + 1 ; snippets[s] = concat(surnames," ")
end
if initials and #initials > 0 then
s = s + 1 ; snippets[s] = concat(initials," ")
end
end
return concat(snippets," ",1,s)
end
writers.author = writer
writers.editor = editor
local function newsplitter(splitter)
return table.setmetatableindex({},function(t,k) -- could be done in the sorter but seldom that many shared
local v = splitter(k,true) -- in other cases
t[k] = v
return v
end)
end
local function byauthor(dataset,list,method)
local luadata = datasets[dataset].luadata
local details = datasets[dataset].details
local result = { }
local splitted = newsplitter(splitter) -- saves mem
local snippets = { } -- saves mem
for i=1,#list do
-- either { tag, tag, ... } or { { tag, index }, { tag, index } }
local li = list[i]
local tag = type(li) == "string" and li or li[1]
local entry = luadata[tag]
local detail = details[tag]
if entry and detail then
result[i] = {
index = i,
split = {
splitted[strip(writer(detail.author or detail.editor or "",snippets))],
splitted[entry.year or "9998"],
splitted[detail.suffix or " "],
splitted[strip(entry.journal or "")],
splitted[strip(entry.title or "")],
splitted[entry.pages or ""],
splitted[tostring(i)],
},
}
else
result[i] = {
index = i,
split = {
splitted[""],
splitted["9999"],
splitted[" "],
splitted[""],
splitted[""],
splitted[""],
splitted[tostring(i)],
},
}
end
end
return result
end
authors.sorters.writer = writer
authors.sorters.author = byauthor
function authors.sorted(dataset,list,sorttype) -- experimental
local valid = byauthor(dataset,list,sorttype)
if #valid == 0 or #valid ~= #list then
return list
else
sorters.sort(valid,function(a,b) return a ~= b and compare(a,b) == -1 end)
for i=1,#valid do
valid[i] = valid[i].index
end
return valid
end
end
-- local dataset = publications.datasets.test
--
-- local function add(str)
-- dataset.details[str] = { author = publications.authors.splitstring(str) }
-- end
--
-- add("Hagen, Hans and Hoekwater, Taco Whoever T. Ex. and Henkel Hut, Hartmut Harald von der")
-- add("Hans Hagen and Taco Whoever T. Ex. Hoekwater and Hartmut Harald von der Henkel Hut")
-- add("de Gennes, P. and Gennes, P. de")
-- add("van't Hoff, J. H. and {van't Hoff}, J. H.")
--
-- local list = table.keys(dataset.details)
-- local sort = publications.authors.sorted("test",list,"author")
-- local test = { } for i=1,#sort do test[i] = dataset.details[list[sort[i]]] end
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