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if not modules then modules = { } end modules ['strc-syn'] = {
version = 1.001,
comment = "companion to str-syn.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local next, type = next, type
local format = string.format
local allocate = utilities.storage.allocate
-- interface to tex end
local context = context
local sorters = sorters
local structures = structures
local synonyms = structures.synonyms
local tags = structures.tags
local collected = allocate()
local tobesaved = allocate()
local firstofsplit = sorters.firstofsplit
local strip = sorters.strip
local splitter = sorters.splitters.utf
synonyms.collected = collected
synonyms.tobesaved = tobesaved
local function initializer()
collected = synonyms.collected
tobesaved = synonyms.tobesaved
end
local function finalizer()
for entry, data in next, tobesaved do
data.hash = nil
end
end
job.register('structures.synonyms.collected', tobesaved, initializer, finalizer)
-- todo: allocate becomes metatable
local function allocate(class)
local d = tobesaved[class]
if not d then
d = {
metadata = {
language = 'en',
sorted = false,
class = class
},
entries = {
},
hash = {
}
}
tobesaved[class] = d
end
return d
end
function synonyms.define(class,kind)
local data = allocate(class)
data.metadata.kind = kind
end
function synonyms.register(class,kind,spec)
local data = allocate(class)
data.metadata.kind = kind -- runtime, not saved in format (yet)
if not data.hash[spec.definition.tag or ""] then
data.entries[#data.entries+1] = spec
data.hash[spec.definition.tag or ""] = spec
end
end
function synonyms.registerused(class,tag)
local data = allocate(class)
local dht = data.hash[tag]
if dht then
dht.definition.used = true
end
end
function synonyms.synonym(class,tag)
local data = allocate(class).hash
local d = data[tag]
if d then
local de = d.definition
de.used = true
context(de.synonym)
end
end
function synonyms.meaning(class,tag)
local data = allocate(class).hash
local d = data[tag]
if d then
local de = d.definition
de.used = true
context(de.meaning)
end
end
synonyms.compare = sorters.comparers.basic -- (a,b)
function synonyms.filter(data,options)
local result = { }
local entries = data.entries
local all = options and options.criterium == interfaces.variables.all
for i=1,#entries do
local entry = entries[i]
if all or entry.definition.used then
result[#result+1] = entry
end
end
data.result = result
end
function synonyms.prepare(data)
local result = data.result
if result then
for i=1, #result do
local r = result[i]
local rd = r.definition
if rd then
local rt = rd.tag
local sortkey = rt and rt ~= "" and rt or rd.synonym
r.split = splitter(strip(sortkey))
end
end
end
end
function synonyms.sort(data,options)
sorters.sort(data.result,synonyms.compare)
end
function synonyms.finalize(data,options) -- mostly the same as registers so we will generalize it: sorters.split
local result = data.result
data.metadata.nofsorted = #result
local split, nofsplit, lasttag, done, nofdone = { }, 0, nil, nil, 0
local firstofsplit = sorters.firstofsplit
for k=1,#result do
local v = result[k]
local entry, tag = firstofsplit(v)
if tag ~= lasttag then
-- if trace_registers then
-- report_registers("splitting at %a",tag)
-- end
done = { }
nofdone = 0
nofsplit = nofsplit + 1
lasttag = tag
split[nofsplit] = { tag = tag, data = done }
end
nofdone = nofdone + 1
done[nofdone] = v
end
data.result = split
end
-- for now, maybe at some point we will do a multipass or so
-- maybe pass the settings differently
local ctx_synonymentry = context.synonymentry
function synonyms.flush(data,options)
local kind = data.metadata.kind -- hack, will be done better
local result = data.result
for i=1,#result do
local sublist = result[i]
local letter = sublist.tag
local data = sublist.data
for d=1,#data do
local entry = data[d].definition
ctx_synonymentry(d,entry.tag,entry.synonym,entry.meaning or "")
end
end
data.result = nil
data.metadata.sorted = false
end
function synonyms.analyzed(class,options)
local data = synonyms.collected[class]
if data and data.entries then
options = options or { }
sorters.setlanguage(options.language,options.method)
synonyms.filter(data,options) -- filters entries to result
synonyms.prepare(data,options) -- adds split table parallel to list table
synonyms.sort(data,options) -- sorts entries in result
synonyms.finalize(data,options) -- do things with data.entries
data.metadata.sorted = true
end
return data and data.metadata.sorted and data.result and next(data.result)
end
function synonyms.process(class,options)
if synonyms.analyzed(class,options) then
synonyms.flush(synonyms.collected[class],options)
end
end
commands.registersynonym = synonyms.register
commands.registerusedsynonym = synonyms.registerused
commands.synonymmeaning = synonyms.meaning
commands.synonymname = synonyms.synonym
commands.processsynonyms = synonyms.process
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