summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/context/base/publ-sor.lua
blob: c442e39539550bcc43c4e12a6b2179cea1238d5f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
if not modules then modules = { } end modules ['publ-sor'] = {
    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 needed we can optimize this one: chekc if it's detail or something else
-- and use direct access, but in practice it's fast enough

local type         = type
local concat       = table.concat
local formatters   = string.formatters
local compare      = sorters.comparers.basic -- (a,b)
local sort         = table.sort

local toarray      = utilities.parsers.settings_to_array
local utfchar      = utf.char

local publications = publications
local writers      = publications.writers

local variables    = interfaces.variables
local v_short      = variables.short
local v_default    = variables.default
local v_reference  = variables.reference
local v_dataset    = variables.dataset

local report       = logs.reporter("publications","sorters")

local trace_sorters  trackers.register("publications.sorters",function(v) trace_sorters = v end)

-- authors(s) | year | journal | title | pages

local template = [[
local type, tostring = type, tostring

local writers  = publications.writers
local datasets = publications.datasets
local getter   = publications.getfaster -- (current,data,details,field,categories,types)
local strip    = sorters.strip
local splitter = sorters.splitters.utf

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

return function(dataset,list,method) -- indexer
    local current       = datasets[dataset]
    local luadata       = current.luadata
    local details       = current.details
    local specification = publications.currentspecification
    local categories    = specification.categories
    local types         = specification.types
    local splitted      = newsplitter(splitter) -- saves mem
    local snippets      = { } -- saves mem
    local result        = { }

%helpers%

    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 index = tostring(i)
        local entry = luadata[tag]
        if entry then
            local detail  = details[tag]
            result[i] = {
                index  = i,
                split  = {

%getters%

                },
            }
        else
            result[i] = {
                index  = i,
                split  = {

%unknowns%

                },
            }
        end
    end
    return result
end
]]

local f_getter = formatters["splitted[strip(getter(current,entry,detail,%q,categories,types) or %q)], -- %s"]
local f_writer = formatters["splitted[strip(writer_%s(getter(current,entry,detail,%q,categories,types) or %q,snippets))], -- %s"]
local f_helper = formatters["local writer_%s = writers[%q] -- %s: %s"]
local f_value  = formatters["splitted[%q], -- %s"]
local s_index  = "splitted[index], -- the order in the list, always added"

-- there is no need to cache this in specification

local sharedmethods      = { }
publications.sortmethods = sharedmethods

local function sortsequence(dataset,list,sorttype)

    if not list or #list == 0 then
        return
    end

    local specification = publications.currentspecification
    local types         = specification.types
    local sortmethods   = specification.sortmethods
    local method        = sortmethods and sortmethods[sorttype] or sharedmethods[sorttype]
    local sequence      = method and method.sequence

    local s_default     = "<before end>"
    local s_unknown     = "<at the end>"

    local c_default     = utfchar(0xFFFE)
    local c_unknown     = utfchar(0xFFFF)

    if not sequence and type(sorttype) == "string" then
        local list = toarray(sorttype)
        if #list > 0 then
            local indexdone = false
            sequence = { }
            for i=1,#list do
                local entry   = toarray(list[i])
                local field   = entry[1]
                local default = entry[2]
                local unknown = entry[3] or default
                sequence[i] = {
                    field   = field,
                    default = default == s_default and c_default or default or c_default,
                    unknown = unknown == s_unknown and c_unknown or unknown or c_unknown,
                }
                if field == "index" then
                    indexdone = true
                end
            end
            if not indexdone then
                sequence[#sequence+1] = {
                    field   = "index",
                    default = 0,
                    unknown = 0,
                }
            end
        end
        if trace_sorters then
            report("creating sequence from method %a",sorttype)
        end
    end

    if sequence then

        local getters  = { }
        local unknowns = { }
        local helpers  = { }

        if trace_sorters then
            report("initializing method %a",sorttype)
        end

        for i=1,#sequence do
            local step      = sequence[i]
            local field     = step.field or "?"
            local default   = step.default or c_default
            local unknown   = step.unknown or c_unknown
            local fldtype   = types[field]
            local fldwriter = step.writer or fldtype
            local writer    = fldwriter and writers[fldwriter]

            if trace_sorters then
                report("% 3i : field %a, type %a, default %a, unknown %a",i,field,fldtype,
                    default == c_default and s_default or default,
                    unknown == c_unknown and s_unknown or unknown
                )
            end

            if writer then
                local h = #helpers + 1
                getters[i] = f_writer(h,field,default,field)
                helpers[h] = f_helper(h,fldwriter,field,fldtype)
            else
                getters[i] = f_getter(field,default,field)
            end
            unknowns[i] = f_value(unknown,field)
        end

        unknowns[#unknowns+1] = s_index
        getters [#getters +1] = s_index

        local code = utilities.templates.replace(template, {
            helpers  = concat(helpers, "\n"),
            getters  = concat(getters, "\n"),
            unknowns = concat(unknowns,"\n"),
        })

     -- print(code)

        local action, error = loadstring(code)
        if type(action) == "function" then
            action = action()
        else
            report("error when compiling sort method %a: %s",sorttype,error or "unknown")
        end
        if type(action) == "function" then
            local valid = action(dataset,list,method)
            if valid and #valid > 0 then
                sorters.sort(valid,compare)
                return valid
            else
                report("error when applying sort method %a",sorttype)
            end
        else
            report("error in sort method %a",sorttype)
        end
    else
        report("invalid sort method %a",sorttype)
    end

end

-- index      : order in dataset
-- order      : order of citations
-- short      : alphabetic + suffix
-- reference  : order in list
-- default    : automatic sorter
-- authoryear : sort order list

-- tag | listindex | 0 | u | u.btxint | data.index

local sorters = {
    [v_short] = function(dataset,rendering,list) -- should we store it
        local shorts = rendering.shorts
        local function compare(a,b)
            local aa = a and a[1]
            local bb = b and b[1]
            if aa and bb then
                aa, bb = shorts[aa], shorts[bb]
                return aa and bb and aa < bb
            else
                return a[1] < b[1]
            end
        end
        sort(list,compare)
    end,
    [v_reference] = function(dataset,rendering,list) -- tag
        local function compare(a,b)
            return a[1] < b[1]
        end
        sort(list,compare)
    end,
    [v_dataset] = function(dataset,rendering,list) -- dataset index
        local function compare(a,b)
            local aa = a and a[6]
            local bb = b and b[6]
            if aa and bb then
                return aa < bb
            else
                return a[1] < b[1]
            end
        end
        sort(list,compare)
    end,
    [v_default] = function(dataset,rendering,list,sorttype)
        if sorttype == "" or sorttype == v_default then -- listorder
            local function compare(a,b)
                return a[2] <  b[2]
            end
            sort(list,compare)
        else
            local valid = sortsequence(dataset,list,sorttype) -- field order
            if valid and #valid > 0 then
                -- hm, we have a complication here because a sortsequence doesn't know if there's a field
                -- so there is no real catch possible here .., anyway, we add a index as last entry when no
                -- one is set so that should be good enough (needs testing)
                for i=1,#valid do
                    local v = valid[i]
                    valid[i] = list[v.index]
                end
                return valid
            end
        end
    end
}

table.setmetatableindex(sorters,function(t,k) return t[v_default] end)

publications.lists.sorters = sorters