summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/context/base/cldf-int.lua
blob: 2291fd849f03f5ffc4727123fe4c658b50749042 (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
if not modules then modules = { } end modules ['mult-clm'] = {
    version   = 1.001,
    comment   = "companion to mult-clm.mkiv",
    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
    copyright = "PRAGMA ADE / ConTeXt Development Team",
    license   = "see context related readme files"
}

-- another experiment
-- needs upgrading
-- needs checking
-- todo: multilingual

local texsprint, ctxcatcodes, vrbcatcodes = tex.sprint, tex.ctxcatcodes, tex.vrbcatcodes
local format, insert, remove, concat = string.format, table.insert, table.remove, table.concat
local unpack = unpack or table.unpack

local trace_define = false  trackers.register("context.define", function(v) trace_define = v end)

interfaces = interfaces or { }

_clmh_ = utilities.parsers.settings_to_array
_clma_ = utilities.parsers.settings_to_array

local starters, stoppers, macros, stack = { }, { }, { }, { }

local checkers = {
    "\\dosingleempty",
    "\\dodoubleempty",
    "\\dotripleempty",
    "\\doquadrupleempty",
    "\\doquintupleempty",
    "\\dosixtupleempty",
}

function _clmm_(name,...)
    macros[name](...)
end

function _clmb_(name,...)
    local sn = stack[name]
    insert(sn,{...})
    starters[name](...)
end

function _clme_(name)
    local sn = stack[name]
    local sv = remove(sn)
    if sv then
        stoppers[name](unpack(sv))
    else
        -- nesting error
    end
end

_clmn_ = tonumber

function interfaces.definecommand(name,specification) -- name is optional
    if type(name) == "table" then
        specification = name
        name = specification.name
    end
    if name and specification then
        local arguments = specification.arguments
        local na = (arguments and #arguments) or 0
        local environment = specification.environment
        if na == 0 then
            if environment then
                texsprint(ctxcatcodes,"\\clmb{",name,"}{\\ctxlua{_clmb_('",name,"')}}")
                texsprint(ctxcatcodes,"\\clme{",name,"}{\\ctxlua{_clme_('",name,"')}}")
            else
                texsprint(ctxcatcodes,"\\clmm{",name,"}{\\ctxlua{_clmm_('",name,"')}}")
            end
        else
            stack[name] = { }
            local opt, done = 0, false
            local mkivdo = "\\mkivdo" .. name -- maybe clddo
            texsprint(ctxcatcodes,"\\def",mkivdo)
            for i=1,na do
                local a = arguments[i]
                local variant = a[1]
                if variant == "option" then
                    texsprint(ctxcatcodes,"[#",i,"]")
                    if not done then
                        opt = opt + 1
                    end
                else
                    done = true -- no more optional checking after this
                    texsprint(ctxcatcodes,"#",i)
                end
            end
            if environment then
                texsprint(ctxcatcodes,"{\\ctxlua{_clmb_('",name,"'")
            else
                texsprint(ctxcatcodes,"{\\ctxlua{_clmm_('",name,"'")
            end
            for i=1,na do
                local a = arguments[i]
                local variant = a[2]
                if variant == "list" then
                    texsprint(ctxcatcodes,",_clma_([[#",i,"]])")
                elseif variant == "hash" then
                    texsprint(ctxcatcodes,",_clmh_([[#",i,"]])")
                elseif variant == "number" then
                    texsprint(ctxcatcodes,",_clmn_([[#",i,"]])")
                else
                    texsprint(ctxcatcodes,",[[#",i,"]]")
                end
            end
            texsprint(ctxcatcodes,")}}")
            if environment then
                texsprint(ctxcatcodes,"\\clme{",name,"}{\\ctxlua{_clme_('",name,"')}}")
                texsprint(ctxcatcodes,"\\clmb{",name,"}{",checkers[opt],mkivdo,"}")
            else
                texsprint(ctxcatcodes,"\\clmm{",name,"}{",checkers[opt],mkivdo,"}")
            end
        end
        if environment then
            starters[name] = specification.starter
            stoppers[name] = specification.stopper
        else
            macros[name] = specification.macro
        end
    end
end

function interfaces.tolist(t)
    local r = { }
    for i=1,#t do
        r[i] = t[i]
    end
    local n = #r
    for k,v in table.sortedhash(t) do
        if type(k) ~= "number" then
            n = n + 1
            r[n] = k .. "=" .. v
        end
    end
    return concat(r,", ")
end

--~ \startluacode
--~ function test(opt_1, opt_2, arg_1)
--~     context.startnarrower()
--~     context("options 1: %s",interfaces.tolist(opt_1))
--~     context.par()
--~     context("options 2: %s",interfaces.tolist(opt_2))
--~     context.par()
--~     context("argument 1: %s",arg_1)
--~     context.stopnarrower()
--~ end

--~ interfaces.definecommand {
--~     name = "test",
--~     arguments = {
--~         { "option", "list" },
--~         { "option", "hash" },
--~         { "content", "string" },
--~     },
--~     macro = test,
--~ }
--~ \stopluacode

--~ test: \test[1][a=3]{whatever}

--~ \startluacode
--~ local function startmore(opt_1)
--~     context.startnarrower()
--~     context("start more, options: %s",interfaces.tolist(opt_1))
--~     context.startnarrower()
--~ end

--~ local function stopmore(opt_1)
--~     context.stopnarrower()
--~     context("stop more, options: %s",interfaces.tolist(opt_1))
--~     context.stopnarrower()
--~ end

--~ interfaces.definecommand ( "more", {
--~     environment = true,
--~     arguments = {
--~         { "option", "list" },
--~     },
--~     starter = startmore,
--~     stopper = stopmore,
--~ } )
--~ \stopluacode

--~ more: \startmore[1] one \startmore[2] two \stopmore one \stopmore