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
|
-- lua-placeholders-types.lua
-- Copyright 2024 E. Nijenhuis
--
-- This work may be distributed and/or modified under the
-- conditions of the LaTeX Project Public License, either version 1.3c
-- of this license or (at your option) any later version.
-- The latest version of this license is in
-- http://www.latex-project.org/lppl.txt
-- and version 1.3c or later is part of all distributions of LaTeX
-- version 2005/12/01 or later.
--
-- This work has the LPPL maintenance status ‘maintained’.
--
-- The Current Maintainer of this work is E. Nijenhuis.
--
-- This work consists of the files lua-placeholders.sty
-- lua-placeholders-manual.pdf lua-placeholders.lua
-- lua-placeholders-common.lua lua-placeholders-namespace.lua
-- lua-placeholders-parser.lua and lua-placeholders-types.lua
require('lua-placeholders-common')
function table.copy(t)
local u = { }
for k, v in pairs(t) do
u[k] = v
end
return setmetatable(u, getmetatable(t))
end
base_param = {}
function base_param:new(o)
o = o or {}
setmetatable(o, self)
self.__index = self
return o
end
function base_param:is_set()
return self and ((self.values or self.fields or self.value) ~= nil)
end
function base_param:raw_val()
return self.value or self.values or self.default
end
function base_param:val()
return self:raw_val()
end
function base_param:to_upper()
local val = self:val()
if type(val) == 'string' then
return val:upper()
elseif type(self.placeholder) == 'string' then
return '[' .. self.placeholder:upper() .. ']'
end
end
function base_param:print_val()
local value = self:val()
if value ~= nil then
tex.sprint(value)
else
tex.sprint(lua_placeholders_toks.placeholder_format, '{', self.placeholder or self.key, '}')
end
end
bool_param = base_param:new{
type = 'bool'
}
function bool_param:new(key, _o)
local o = {
key = key,
default = _o.default
}
setmetatable(o, self)
self.__index = self
tex.sprint(lua_placeholders_toks.new_bool, '{', o.key, '}')
return o
end
function bool_param:raw_val()
local value
if self.value ~= nil then
value = tostring(self.value)
elseif self.default ~= nil then
value = tostring(self.default)
else
value = 'false'
end
return value
end
function bool_param:set_bool(key)
tex.sprint(lua_placeholders_toks.set_bool, '{', key, '}{', self:val(), '}')
end
str_param = base_param:new{
type = 'string'
}
function str_param:new(key, _o)
local o = {
key = key,
placeholder = _o.placeholder,
default = _o.default
}
setmetatable(o, self)
self.__index = self
return o
end
function str_param:val()
local value = self:raw_val()
if value then
local formatted, _ = string.gsub(value, '\n', ' ')
return formatted
end
end
number_param = base_param:new{
type = 'number'
}
function number_param:new(key, _o)
local o = {
key = key,
placeholder = _o.placeholder,
default = _o.default
}
setmetatable(o, self)
self.__index = self
return o
end
function number_param:raw_val()
if self.value ~= nil or self.default ~= nil then
return self.value or self.default
end
end
function number_param:val()
local val = self:raw_val()
if val ~= nil then
if token.is_defined('numprint') then
return '\\numprint{' .. val .. '}'
else
texio.write_nl([[Warning: package 'numprint' not loaded. Outputting numbers as is.]])
return val
end
end
end
function number_param:print_num()
texio.write_nl('Warning: number_param:print_num is deprecated. Use number_param:print_val instead')
self:print_val()
end
list_param = base_param:new{
type = 'list'
}
function list_param:new(key, _o)
local o = {
key = key,
item_type = base_param.define('list_item', { type = (_o["item type"] or 'string') }),
default = {}
}
if _o.default then
for _, default_val in ipairs(_o.default) do
local v = table.copy(o.item_type)
v:load('list_item', default_val)
table.insert(o.default, v)
end
end
setmetatable(o, self)
self.__index = self
return o
end
function list_param:val()
return self.values or self.default or {}
end
function list_param:print_val()
local list = self:val()
if #list > 0 then
if not self.values then
tex.sprint(lua_placeholders_toks.placeholder_format, '{')
end
tex.sprint(list[1]:val())
for i = 2, #list do
tex.sprint(lua_placeholders_toks.list_conj, list[i]:val())
end
if not self.values then
tex.sprint('}')
end
end
end
object_param = base_param:new{
type = 'object'
}
function object_param:new(key, _o)
local o = {
key = key,
fields = {},
default = _o.default
}
for _key, field in pairs(_o.fields) do
o.fields[_key] = base_param.define(_key, field)
end
setmetatable(o, self)
self.__index = self
return o
end
table_param = base_param:new{
type = 'table'
}
function table_param:new(key, _o)
local o = {
key = key,
columns = {}
}
for col_key, col in pairs(_o.columns) do
o.columns[col_key] = base_param.define(col_key, col)
end
setmetatable(o, self)
self.__index = self
return o
end
function base_param.define(key, o)
if o.type then
if o.type == 'bool' then
return bool_param:new(key, o)
elseif o.type == 'string' then
return str_param:new(key, o)
elseif o.type == 'number' then
return number_param:new(key, o)
elseif o.type == 'list' then
return list_param:new(key, o)
elseif o.type == 'object' then
return object_param:new(key, o)
elseif o.type == 'table' then
return table_param:new(key, o)
else
texio.write_nl('Warning: no such parameter type ' .. o.type)
end
else
error('ERROR: parameter must have a "type" field')
end
end
function base_param:load(key, value)
if self.type == 'list' then
self.values = {}
for _, val in ipairs(value) do
local param = table.copy(self.item_type)
param:load('list-item', val)
table.insert(self.values, param)
end
elseif self.type == 'table' then
self.values = {}
for _, row_vals in ipairs(value) do
local row = {}
for col_key, col in pairs(self.columns) do
local cell = table.copy(col)
cell:load(col.key, row_vals[col_key])
row[col_key] = cell
end
table.insert(self.values, row)
end
elseif self.type == 'object' then
for field_key, field in pairs(self.fields) do
local field_val = value[field_key]
if field_val then
field:load(field_key, field_val)
else
texio.write_nl('Warning: Passed unknown field to object', field_key)
end
end
else
self.value = value
end
if self.type == 'bool' then
self:set_bool(key)
end
end
|