-
Notifications
You must be signed in to change notification settings - Fork 132
/
ox-hugo-deprecated.el
442 lines (401 loc) · 20.7 KB
/
ox-hugo-deprecated.el
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
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
;;; ox-hugo-deprecated.el --- Deprecated stuff from ox-hugo -*- lexical-binding: t -*-
;; Authors: Kaushal Modi <[email protected]>
;; URL: https://ox-hugo.scripter.co
;;; Commentary:
;; This file contains variables and functions deprecated from ox-hugo.
;; Do not depend on this file as it may disappear any day.
;;; Obsoletions
;; Blackfriday support is being removed from `ox-hugo' as Hugo has
;; deprecated its support for a while.
;; https://github.com/kaushalmodi/ox-hugo/discussions/485
;;; Code:
;; Silence byte-compiler
(defvar org-hugo--date-time-regexp)
(defvar org-hugo--subtree-coord)
(declare-function org-string-nw-p "org-macs")
(declare-function org-hugo--calc-weight "ox-hugo")
(declare-function org-hugo-slug "ox-hugo")
(declare-function org-hugo--front-matter-value-booleanize "ox-hugo")
(declare-function org-hugo--delim-str-to-list "ox-hugo")
(declare-function org-hugo--parse-property-arguments "ox-hugo")
;;
(make-obsolete-variable 'org-hugo-blackfriday-options nil "Hugo has switched to use Goldmark as the default Markdown parser since v0.60." "Jan 15, 2022")
(make-obsolete-variable 'org-hugo-blackfriday-extensions nil "Hugo has switched to use Goldmark as the default Markdown parser since v0.60." "Jan 15, 2022")
;;; Variables
(defvar org-hugo-blackfriday-options
'("taskLists"
"smartypants"
"smartypantsQuotesNBSP"
"angledQuotes"
"fractions"
"smartDashes"
"latexDashes"
"hrefTargetBlank"
"plainIDAnchors"
"extensions"
"extensionsmask")
"Deprecated Blackfriday parser option names.")
(defvar org-hugo-blackfriday-extensions
'("noIntraEmphasis"
"tables"
"fencedCode"
"autolink"
"strikethrough"
"laxHtmlBlocks"
"spaceHeaders"
"hardLineBreak"
"tabSizeEight"
"footnotes"
"noEmptyLineBeforeBlock"
"headerIds"
"titleblock"
"autoHeaderIds"
"backslashLineBreak"
"definitionLists"
"joinLines")
"Deprecated Blackfriday extension names.")
;;; Functions
(defun org-hugo--parse-blackfriday-prop-to-alist (str)
"Return an alist of valid Hugo blackfriday properties converted from STR.
For example, input STR:
\":fractions :smartdashes nil :angledquotes t\"
would convert to:
((fractions . \"false\") (smartDashes . \"false\") (angledQuotes . \"true\"))
The \"true\" and \"false\" strings in the return value are due to
`org-hugo--front-matter-value-booleanize'."
(let ((blackfriday-alist (org-hugo--parse-property-arguments str))
valid-blackfriday-alist)
(dolist (ref-prop org-hugo-blackfriday-options)
(dolist (user-prop blackfriday-alist)
(when (string= (downcase (symbol-name (car user-prop)))
(downcase ref-prop))
(let* ((key (intern ref-prop))
(value (cdr user-prop))
(value (if (or (equal key 'extensions)
(equal key 'extensionsmask))
(org-hugo--delim-str-to-list value)
(org-hugo--front-matter-value-booleanize value))))
(push (cons key value)
valid-blackfriday-alist)))))
valid-blackfriday-alist))
(defun org-hugo--return-valid-blackfriday-extension (ext)
"Return valid case-sensitive string for Blackfriday extension EXT.
Example: If EXT is \"hardlinebreak\",
\"\"hardLineBreak\"\" (quoted string) is returned."
(let (ret)
(dolist (ref-ext org-hugo-blackfriday-extensions)
;; (message "ox-hugo bf valid ext DBG: ext=%s ref-ext=%s" ext ref-ext)
(when (string= (downcase ext) (downcase ref-ext))
(setq ret ref-ext)))
(unless ret
(user-error "Invalid Blackfriday extension name %S, see `org-hugo-blackfriday-extensions'"
ext))
(org-hugo--yaml-quote-string ret)))
;;; YAML Support
(defun org-hugo--yaml-quote-string (val &optional prefer-no-quotes)
"Wrap VAL with quotes as appropriate.
VAL can be a string, symbol, number or nil.
VAL is returned as-it-is under the following cases:
- It is a number.
- It is a string and is already wrapped with double quotes.
- It is a string and it's value is \"true\" or \"false\".
- It is a string representing a date.
- It is a string representing an integer or float.
If VAL is nil or an empty string, a quoted empty string \"\" is
returned.
If optional argument PREFER-NO-QUOTES is non-nil, return the VAL
as-it-is if it's a string with just alphanumeric characters."
(cond
((null val) ;nil
val)
((numberp val)
val)
((symbolp val)
(format "\"%s\"" (symbol-name val)))
((stringp val)
(cond
((org-string-nw-p val) ;If `val' is a non-empty string
(cond
((or (and (string= (substring val 0 1) "\"") ;First char is literally a "
(string= (substring val -1) "\"")) ;Last char is literally a "
(and prefer-no-quotes ;If quotes are not preferred and `val' is only alpha-numeric
(string-match-p "\\`[a-zA-Z0-9]+\\'" val))
;; or if it an integer that can be stored in the system as
;; a fixnum. For example, if `val' is
;; "10040216507682529280" that needs more than 64 bits to
;; be stored as a signed integer, it will be automatically
;; stored as a float. So (integerp (string-to-number
;; val)) will return nil [or `fixnump' instead of
;; `integerp' in Emacs 27 or newer]
;; https://github.com/toml-lang/toml#integer Integer
;; examples: 7, +7, -7, 7_000
(and (string-match-p "\\`[+-]?[[:digit:]_]+\\'" val)
(if (functionp #'fixnump) ;`fixnump' and `bignump' get introduced in Emacs 27.x
(fixnump (string-to-number val))
(integerp (string-to-number val)))) ;On older Emacsen, `integerp' behaved the same as the new `fixnump'
(string= "true" val)
(string= "false" val)
;; or if it is a date (date, publishDate, expiryDate, lastmod)
(string-match-p org-hugo--date-time-regexp val)
;; or if it is a float
;; https://github.com/toml-lang/toml#float
;; Float examples (decimals): 7.8, +7.8, -7.8
(string-match-p "\\`[+-]?[[:digit:]_]+\\.[[:digit:]_]+\\'" val)
;; Float examples (exponentials): 7e-8, -7E+8, 1.7e-05
(string-match-p "\\`[+-]?[[:digit:]_]+\\(\\.[[:digit:]_]+\\)*[eE][+-]?[[:digit:]_]+\\'" val)
;; Special float values (infinity/NaN)
;; Looks like Hugo is not supporting these.. Tue Mar 20 18:05:40 EDT 2018 - kmodi
;; (let ((case-fold-search nil))
;; (string-match-p "\\`[+-]?\\(inf\\|nan\\)\\'" val))
)
val)
((string-match-p "\n" val) ;Multi-line string
;; The indentation of the multi-line string is needed only for the
;; YAML format. But the same is done for TOML too just for better
;; presentation.
(setq val (replace-regexp-in-string "^" " " val))
;; https://yaml-multiline.info/
;;
;; | |foo : >
;; |abc | abc
;; | >>> |
;; |def |
;; | | def
;;
;; In Org, a single blank line is used to start a new
;; paragraph. In the YAML multi-line string, that needs to
;; be 2 blank lines.
(setq val (replace-regexp-in-string "\n[[:blank:]]*\n" "\n\n\n" val))
(format ">\n%s" val))
(t ;Single-line string
;; Below 2 replacements are order-dependent.. first escape the
;; backslashes, then escape the quotes with backslashes.
;; Escape the backslashes (for both TOML and YAML).
(setq val (replace-regexp-in-string "\\\\" "\\\\\\\\" val))
;; Escape the double-quotes.
(setq val (replace-regexp-in-string "\"" "\\\\\"" val))
(concat "\"" val "\""))))
(t ;If `val' is any empty string
"\"\"")))
(t ;Return empty string if anything else
"\"\"")))
(defun org-hugo--get-yaml-list-string (key list)
"Return KEY's LIST value as a YAML list, represented as a string.
KEY is a string and LIST is a list where an element can be a
symbol, number or a non-empty string. Examples:
\(\"abc\" \"def\") -> \"[\\\"abc\\\", \\\"def\\\"]\"."
(concat "["
(mapconcat #'identity
(mapcar (lambda (v)
(org-hugo--yaml-quote-string
(cond
((symbolp v)
(symbol-name v))
((numberp v)
(number-to-string v))
((org-string-nw-p v)
v)
(t
(user-error "Invalid element %S in `%s' value %S" v key list)))))
list)
", ")
"]"))
(defun org-hugo--gen-yaml-front-matter (data)
"Generate Hugo front-matter in YAML format, and return that string.
DATA is an alist of the form \((KEY1 . VAL1) (KEY2 . VAL2) .. \),
where KEY is a symbol and VAL is a string."
(let ((sep "---\n")
(sign ":")
(front-matter "")
(indent (make-string 2 ? ))
(nested-string "")
(menu-string "")
(res-string ""))
(dolist (pair data)
(let ((key (symbol-name (car pair)))
(value (cdr pair)))
;; (message "[hugo fm key value DBG] %S %S" key value)
(unless (or (null value) ;Skip writing front-matter variables whose value is nil
(and (stringp value) ;or an empty string.
(string= "" value)))
;; In TOML/YAML, the value portion needs to be wrapped in
;; double quotes.
;; TOML example:
;; title = "My Post"
;; YAML example:
;; title: "My Post"
(cond
((string= key "menu")
(unless (listp value)
(user-error (concat "The `menu' front-matter did not get the expected "
"list value; probably because HUGO_MENU was not "
"used to set its value.\n"
"Usage examples: \":EXPORT_HUGO_MENU: :menu main\" or "
"\"#+hugo_menu: :menu main\"")))
;; Menu name needs to be non-nil to insert menu info in front-matter.
(when (assoc 'menu value)
(let* ((menu-alist value)
;; Menu entry string might need to be quoted if
;; it contains spaces, for example.
(menu-entry (org-hugo--yaml-quote-string (cdr (assoc 'menu menu-alist)) :prefer-no-quotes))
(menu-entry-str "")
(menu-value-str ""))
;; Auto-set menu identifier if not already set by user.
(unless (assoc 'identifier menu-alist)
(let ((title (cdr (assoc 'title data))))
(push `(identifier . ,(org-hugo-slug title)) menu-alist)))
;; Auto-set menu weight if not already set by user.
(unless (assoc 'weight menu-alist)
(when org-hugo--subtree-coord
(push `(weight . ,(org-hugo--calc-weight)) menu-alist)))
;; (message "[menu alist DBG] = %S" menu-alist)
(when menu-entry
(setq menu-entry-str (prog1
(format "menu%s\n%s%s%s\n"
sign indent menu-entry sign)
(setq indent (concat indent indent)))) ;Double the indent for next use
(dolist (menu-pair menu-alist)
(let ((menu-key (symbol-name (car menu-pair)))
(menu-value (cdr menu-pair)))
;; (message "menu DBG: %S %S %S" menu-entry menu-key menu-value)
(unless (string= "menu" menu-key)
(when menu-value
;; Cannot skip quote wrapping for values of keys inside menu.
;; Attempting to do:
;; [menu.foo]
;; parent = main
;; # parent = "main" # But this works
;; gives this error:
;; ERROR 2017/07/21 10:56:07 failed to parse page metadata
;; for "singles/post-draft.md": Near line 10 (last key parsed
;; 'menu.foo.parent'): expected value but found "main" instead.
(setq menu-value (org-hugo--yaml-quote-string menu-value))
(setq menu-value-str
(concat menu-value-str
(format "%s%s%s %s\n"
indent menu-key sign menu-value)))))))
(setq menu-string (concat menu-entry-str menu-value-str))))))
((string= key "resources")
(unless (listp value)
(user-error (concat "The `resources' front-matter did not get the expected "
"list value; probably because HUGO_RESOURCES was not "
"used to set its value.\n"
"Usage examples: \":EXPORT_HUGO_RESOURCES: :src \"my-image.png\" :title \"My Image\" "
"or \"#+hugo_resources: :src \"my-image.png\" :title \"My Image\"")))
(when value
(dolist (res-alist value)
(let ((res-entry-str "")
(res-value-str "")
res-src-present
res-param-str)
(setq res-entry-str
;; For YAML, this string
;; needs to be inserted
;; only once.
(if (org-string-nw-p res-string)
""
(format "resources%s\n" sign)))
(dolist (res-pair res-alist)
;; (message "[resources DBG] res-pair: %S" res-pair)
(let* ((res-key (symbol-name (car res-pair)))
(res-value (cdr res-pair)))
;; (message "[resources DBG]: %S %S" res-key res-value)
(cond ((string= res-key "params")
(setq indent (make-string 4 ? ))
(setq res-param-str (format " %s%s\n" res-key sign))
(dolist (param-pair res-value) ;res-value would be an alist of params
(let ((param-key (symbol-name (car param-pair)))
(param-value (cdr param-pair))
param-value-str)
;; (message "[resources DBG] param-key: %S" param-key)
;; (message "[resources DBG] param-value: %S" param-value)
(setq param-value-str (if (listp param-value)
(org-hugo--get-yaml-list-string param-key param-value)
(org-hugo--yaml-quote-string param-value)))
(setq res-param-str
(concat res-param-str
(format "%s%s%s %s\n"
indent param-key sign param-value-str)))))
;; (message "[resources params DBG] %s" res-param-str)
)
(t
(when (string= res-key "src")
(setq res-src-present t))
(if (string= res-key "src")
(setq indent "- ")
(setq indent " "))
(setq res-value (org-hugo--yaml-quote-string res-value))
(setq res-value-str
(concat res-value-str
(format "%s%s%s %s\n"
indent res-key sign res-value)))))))
(unless res-src-present
(user-error "`src' must be set for the `resources'"))
(setq res-string (concat res-string res-entry-str res-value-str res-param-str))))))
(;; Front-matter with nested map values: blackfriday, custom front-matter.
;; Only 1 level of nesting is supported.
(and (listp value) ;Example value: '((legs . 4) ("eyes" . 2) (friends . (poo boo)))
(eq 0 (cl-count-if (lambda (el) ;Check if value is a list of lists (or conses)
(not (listp el)))
value)))
(let ((nested-parent-key key)
(nested-alist value)
(nested-parent-key-str "")
(nested-keyval-str ""))
;; (message "[nested entry DBG] = %s" nested-parent-key)
;; (message "[nested alist DBG] = %S" nested-alist)
(setq nested-parent-key-str (format "%s%s\n" nested-parent-key sign))
(dolist (nested-pair nested-alist)
(unless (consp nested-pair)
(user-error "Ox-hugo: Custom front-matter values with nested maps need to be an alist of conses"))
;; (message "[nested pair DBG] = %S" nested-pair)
(let* ((nested-key (car nested-pair))
(nested-key (cond
((symbolp nested-key)
(symbol-name nested-key))
(t
nested-key)))
(nested-value (cdr nested-pair))
(nested-value (cond
((and nested-value
(listp nested-value))
(if (and (string= nested-parent-key "blackfriday")
(or (string= nested-key "extensions")
(string= nested-key "extensionsmask")))
(org-hugo--get-yaml-list-string
nested-key
(mapcar #'org-hugo--return-valid-blackfriday-extension
nested-value))
(org-hugo--get-yaml-list-string nested-key nested-value)))
((null nested-value)
"false")
((equal nested-value 't)
"true")
(t
(org-hugo--yaml-quote-string nested-value)))))
;; (message "nested DBG: %S KEY %S->%S VALUE %S->%S" nested-parent-key
;; (car nested-pair) nested-key
;; (cdr nested-pair) nested-value)
(when nested-value
(setq nested-keyval-str
(concat nested-keyval-str
(format "%s%s%s %s\n"
indent nested-key sign nested-value))))))
(when (org-string-nw-p nested-keyval-str)
(setq nested-string (concat nested-string nested-parent-key-str
nested-keyval-str)))))
(t
(setq front-matter
(concat front-matter
(format "%s%s %s\n"
key
sign
(cond (;; Tags, categories, keywords, aliases,
;; custom front-matter which are lists.
(listp value)
(org-hugo--get-yaml-list-string key value))
(t
(org-hugo--yaml-quote-string value nil)))))))))))
(concat sep front-matter nested-string menu-string res-string sep)))
(provide 'ox-hugo-deprecated)
;;; ox-hugo-deprecated.el ends here