aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/sisudoc/io_out/paths_output.d
blob: f134f41cbd3b1e66d212904dcaefeeb82942a4a3 (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
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
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
/+
- Name: SisuDoc Spine, Doc Reform [a part of]
  - Description: documents, structuring, processing, publishing, search
    - static content generator

  - Author: Ralph Amissah
    [ralph.amissah@gmail.com]

  - Copyright: (C) 2015 - 2024 Ralph Amissah, All Rights Reserved.

  - License: AGPL 3 or later:

    Spine (SiSU), a framework for document structuring, publishing and
    search

    Copyright (C) Ralph Amissah

    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU AFERO General Public License as published by the
    Free Software Foundation, either version 3 of the License, or (at your
    option) any later version.

    This program is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
    more details.

    You should have received a copy of the GNU General Public License along with
    this program. If not, see [https://www.gnu.org/licenses/].

    If you have Internet connection, the latest version of the AGPL should be
    available at these locations:
    [https://www.fsf.org/licensing/licenses/agpl.html]
    [https://www.gnu.org/licenses/agpl.html]

  - Spine (by Doc Reform, related to SiSU) uses standard:
    - docReform markup syntax
      - standard SiSU markup syntax with modified headers and minor modifications
    - docReform object numbering
      - standard SiSU object citation numbering & system

  - Homepages:
    [https://www.sisudoc.org]
    [https://www.doc-reform.org]

  - Git
    [https://git.sisudoc.org/]

+/
/++
  default settings
+/
module sisudoc.io_out.paths_output;
@safe:
import
  std.array,
  std.path,
  std.regex,
  std.stdio;
import
  sisudoc.meta.rgx_files;
template spineOutPaths() {
  auto spineOutPaths()(
    string output_pth_root,
    string lng = "",
  ) {
    struct _PathsStruct {
      string output_root() {
        return (output_pth_root.length > 0)
        ? output_pth_root : "";
      }
      string output_base() {
        return ((output_root.chainPath(lng)).asNormalizedPath).array;
      }
      string internal_base() {
        return lng.asNormalizedPath.array;
      }
    }
    return _PathsStruct();
  }
}
template spineOutPathSQLite() {
  auto spineOutPathSQLite(Po)(
    Po  output_pth_root,
  ) {
    struct _PathsStruct {
      string output_root() {
        return (output_pth_root.length > 0)
        ? output_pth_root : "";
      }
      string output_base() {
        return ((output_root).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}
template spineOutPathSQLiteCGI() {
  auto spineOutPathSQLiteCGI(Po)(
    Po  output_pth_root,
  ) {
    struct _PathsStruct {
      string output_root() {
        return (output_pth_root.length > 0)
        ? output_pth_root : "";
      }
      string output_base() {
        return ((output_root).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}
template spineOutPathsFnPd() {
  /+ TODO stuff to work out here +/
  auto spineOutPathsFnPd(Fn,Pn)(
    Fn  fn_src_pth,
    Pn  pod_name_with_path
  ) {
    struct _PathsStruct {
      string base_filename() {
        return fn_src_pth.baseName.stripExtension;
      }
      string base_pod_and_filename() { // TODO
        /+
          - if pod,
            - pod_name
            - file_name
            - if pod_name == file_name
              - file_name
            - else if pod_name != file_name
              - pod_name.file_name
        +/
        string _fn_src = fn_src_pth.baseName.stripExtension;
        string _output_base_name;
        if (!(pod_name_with_path.empty)) {
          if (pod_name_with_path == _fn_src) {
            _output_base_name = _fn_src;
          } else {
            _output_base_name = pod_name_with_path ~ "." ~ _fn_src;
          }
        } else {
          _output_base_name = _fn_src;
        }
        return _output_base_name;
      }
    }
    return _PathsStruct();
  }
}

template spineDocRootTreeHTML() {
  auto spineDocRootTreeHTML()(string lng) {
    auto lng_pth = spineOutPaths!()("", lng);
    string base_dir = "html";
    string suffix = ".html";
    struct _PathsStruct {
      string base_filename(string fn_src) {
        return fn_src.baseName.stripExtension;
      }
      string base_filename_scroll(string fn_src) {
        return base_filename(fn_src);
      }
      string base_filename_seg(string fn_src) {
        return base_filename(fn_src);
      }
      string doc_root() {
        return ((lng_pth.output_root).asNormalizedPath).array;
      }
      string base() {
        return (((lng).chainPath(base_dir)).asNormalizedPath).array;
      }
      string image() {
        return (("image").asNormalizedPath).array;
      }
      string css() {
        return (("css").asNormalizedPath).array;
      }
      string fn_seg_css() {
        return ((css.chainPath("html_seg.css")).asNormalizedPath).array;
      }
      string fn_scroll_css() {
        return ((css.chainPath("html_scroll.css")).asNormalizedPath).array;
      }
      string seg(string fn_src) {
        return ((base.chainPath(base_filename_seg(fn_src))).asNormalizedPath).array;
      }
      string fn_metadata(string fn_src) {
        return ((base.chainPath("metadata." ~ base_filename_scroll(fn_src) ~ suffix)).asNormalizedPath).array;
      }
      string fn_scroll(string fn_src) {
        return ((base.chainPath(base_filename_scroll(fn_src) ~ suffix)).asNormalizedPath).array;
      }
      string fn_seg(string fn_src, string seg_filename) {
        return ((seg(fn_src).chainPath(seg_filename ~ suffix)).asNormalizedPath).array;
      }
      string tail_seg(string fn_src) {
        return lng ~ "/html/" ~ base_filename_seg(fn_src);
      }
      string tail_fn_scroll(string fn_src) {
        return lng ~ "/html/" ~ base_filename_scroll(fn_src) ~ suffix;
      }
      string tail_fn_seg(string fn_src, string seg_filename) {
        return lng ~ "/html/" ~ seg(fn_src) ~ "/" ~ seg_filename ~ suffix;
      }
    }
    return _PathsStruct();
  }
}
template spinePathsHTML() {
  auto spinePathsHTML()(
    string output_path_root,
    string lng,
  ) {
    auto doc_tree = spineDocRootTreeHTML!()(lng);
    string base_dir = "html";
    string suffix = ".html";
    struct _PathsStruct {
      string doc_root() {
        return ((output_path_root.chainPath(doc_tree.doc_root)).asNormalizedPath).array;
      }
      string curate(string fn_curate) {
        return doc_root ~ "/" ~ fn_curate;
      }
      string internal_base() {
        return ((doc_tree.base).asNormalizedPath).array;
      }
      string base() {
        return ((output_path_root.chainPath(doc_tree.base)).asNormalizedPath).array;
      }
      string image() {
        return ((output_path_root.chainPath(doc_tree.image)).asNormalizedPath).array;
      }
      string css() {
        return ((output_path_root.chainPath(doc_tree.css)).asNormalizedPath).array;
      }
      string fn_seg_css() {
        return ((output_path_root.chainPath(doc_tree.fn_seg_css)).asNormalizedPath).array;
      }
      string fn_scroll_css() {
        return ((output_path_root.chainPath(doc_tree.fn_scroll_css)).asNormalizedPath).array;
      }
      string seg(string fn_src) {
        return ((output_path_root.chainPath(doc_tree.seg(fn_src))).asNormalizedPath).array;
      }
      string fn_metadata(string fn_src) {
        return ((output_path_root.chainPath(doc_tree.fn_metadata(fn_src))).asNormalizedPath).array;
      }
      string fn_scroll(string fn_src) {
        return ((output_path_root.chainPath(doc_tree.fn_scroll(fn_src))).asNormalizedPath).array;
      }
      string fn_seg(string fn_src, string seg_filename) {
        return ((output_path_root.chainPath(doc_tree.fn_seg(fn_src, seg_filename))).asNormalizedPath).array;
      }
      string tail_seg(string fn_src) {
        return doc_tree.tail_seg(fn_src);
      }
      string tail_fn_scroll(string fn_src) {
        return doc_tree.tail_fn_scroll(fn_src);
      }
      string tail_fn_seg(string fn_src, string seg_filename) {
        return doc_tree.tail_fn_seg(fn_src, seg_filename);
      }
    }
    return _PathsStruct();
  }
}
template spineUrlsHTML() {
  import std.format;
  auto spineUrlsHTML()(
    string url_doc_root,
    string lng,
  ) {
    auto doc_tree = spineDocRootTreeHTML!()(lng);
    string base_dir = "html";
    string suffix = ".html";
    struct _PathsStruct {
      string doc_root() {
        return url_doc_root ~ ((doc_tree.doc_root).asNormalizedPath).array;
      }
      string curate(string fn_curate) {
        return format(q"┃%s/%s┃",
          doc_root,
          fn_curate,
        );
      }
      string base() {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.base).asNormalizedPath).array,
        );
      }
      string image() {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.image).asNormalizedPath).array,
        );
      }
      string css() {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.css).asNormalizedPath).array,
        );
      }
      string fn_seg_css() {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.fn_seg_css).asNormalizedPath).array,
        );
      }
      string fn_scroll_css() {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.fn_scroll_css).asNormalizedPath).array,
        );
      }
      string seg(string fn_src) {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.seg(fn_src)).asNormalizedPath).array,
        );
      }
      string fn_metadata(string fn_src) {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.fn_metadata(fn_src)).asNormalizedPath).array,
        );
      }
      string fn_scroll(string fn_src) {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.fn_scroll(fn_src)).asNormalizedPath).array,
        );
      }
      string fn_seg(string fn_src, string seg_filename) {
        return format(q"┃%s/%s┃",
          url_doc_root,
          ((doc_tree.fn_seg(fn_src, seg_filename)).asNormalizedPath).array,
        );
      }
      string fn_scroll_obj_num(string fn_src, string obj_num) {
        return format(q"┃%s/%s#%s┃",
          url_doc_root,
          ((doc_tree.fn_scroll(fn_src)).asNormalizedPath).array,
          obj_num,
        );
      }
      string fn_seg_obj_num(string fn_src, string seg_filename, string obj_num) {
        return format(q"┃%s/%s#%s┃",
          url_doc_root,
          ((doc_tree.fn_seg(fn_src, seg_filename)).asNormalizedPath).array,
          obj_num,
        );
      }
      string tail_seg(string fn_src) {
        return doc_tree.tail_seg(fn_src);
      }
      string tail_fn_scroll(string fn_src) {
        return doc_tree.tail_fn_scroll(fn_src);
      }
      string tail_fn_seg(string fn_src, string seg_filename) {
        return doc_tree.tail_fn_seg(fn_src, seg_filename);
      }
    }
    return _PathsStruct();
  }
}
template spinePathsEPUB() {
  auto spinePathsEPUB()(
    string output_pth_root,
    string lng,
  ) {
    auto out_pth = spineOutPaths!()(output_pth_root, lng);
    string base_dir = "epub";
    struct _PathsStruct {
      string internal_base() {
        return (((out_pth.internal_base).chainPath(base_dir)).asNormalizedPath).array;
      }
      string base() {
        return (((out_pth.output_base).chainPath(base_dir)).asNormalizedPath).array;
      }
      string base_filename(string fn_src) {
        return fn_src.baseName.stripExtension;
      }
      string base_filename_epub(string fn_src) {
        return base_filename(fn_src) ~ "." ~ lng;
      }
      string doc_meta_inf() {
        return (("META-INF").asNormalizedPath).array;
      }
      string doc_oebps() {
        return (("OEBPS").asNormalizedPath).array;
      }
      string doc_oebps_css() {
        return ((doc_oebps.chainPath("Styles")).asNormalizedPath).array;
      }
      string doc_oebps_image() {
        return ((doc_oebps.chainPath("image")).asNormalizedPath).array;
      }
      string epub_file(string fn_src) {
        return ((base.chainPath(base_filename_epub(fn_src) ~ ".epub")).asNormalizedPath).array;
      }
      string dirtop() {
        return "".chainPath("").array;
      }
      string fn_mimetypes() {
        return ((dirtop.chainPath("mimetype")).asNormalizedPath).array;
      }
      string fn_dmi_container_xml() {
        return ((doc_meta_inf.chainPath("container.xml")).asNormalizedPath).array;
      }
      string fn_oebps_toc_nav_xhtml() {
        return ((doc_oebps.chainPath("toc_nav.xhtml")).asNormalizedPath).array;
      }
      string fn_oebps_toc_ncx() {
        return ((doc_oebps.chainPath("toc.ncx")).asNormalizedPath).array;
      }
      string fn_oebps_content_opf() {
        return ((doc_oebps.chainPath("content.opf")).asNormalizedPath).array;
      }
      string fn_oebps_content_xhtml(string seg_filename) {
        return ((doc_oebps.chainPath(seg_filename ~ ".xhtml")).asNormalizedPath).array;
      }
      string fn_oebps_css() {
        return ((doc_oebps_css.chainPath("epub.css")).asNormalizedPath).array;
      }
      /+ debug +/
      string dbg_docdir(string fn_src) {
        return base.chainPath(base_filename(fn_src)).array;
      }
      string dbg_docdir_oebps(string fn_src) {
        return dbg_docdir(fn_src).chainPath("OEBPS").array;
      }
      string dbg_doc_meta_inf(string fn_src) {
        return dbg_docdir(fn_src).chainPath("META-INF").array;
      }
      string dbg_doc_oebps(string fn_src) {
        return dbg_docdir(fn_src).chainPath("OEBPS").array;
      }
      string dbg_doc_oebps_css(string fn_src) {
        return dbg_doc_oebps(fn_src).chainPath("Styles").array;
      }
      string dbg_doc_oebps_image(string fn_src) {
        return dbg_doc_oebps(fn_src).chainPath("image").array;
      }
      string dbg_fn_mimetypes(string fn_src) {
        return dbg_docdir(fn_src).chainPath("mimetype").array;
      }
      string dbg_fn_dmi_container_xml(string fn_src) {
        return dbg_doc_meta_inf(fn_src).chainPath("container.xml").array;
      }
      string dbg_fn_oebps_toc_nav_xhtml(string fn_src) {
        return dbg_docdir_oebps(fn_src).chainPath("toc_nav.xhtml").array;
      }
      string dbg_fn_oebps_toc_ncx(string fn_src) {
        return dbg_docdir_oebps(fn_src).chainPath("toc.ncx").array;
      }
      string dbg_fn_oebps_content_opf(string fn_src) {
        return dbg_docdir_oebps(fn_src).chainPath("content.opf").array;
      }
      string dbg_fn_oebps_content_xhtml(string fn_src, string seg_filename) {
        return dbg_docdir_oebps(fn_src).chainPath(seg_filename ~ ".xhtml").array;
      }
      string dbg_fn_oebps_css(string fn_src) {
        return dbg_doc_oebps_css(fn_src).chainPath("epub.css").array;
      }
    }
    return _PathsStruct();
  }
}
template spinePathsODT() {
  import std.conv;
  auto spinePathsODT(M)(
    M  doc_matters,
  ) {
    auto out_pth = spineOutPaths!()( doc_matters.output_path, doc_matters.src.language);
    string base_dir = "odf";
    struct _PathsStruct {
      string base_pth() { // dir will contain odt document file (also debug file tree)
        return (((out_pth.output_base).chainPath(base_dir)).asNormalizedPath).array;
      }
      string odt_file() {
        return ((base_pth.chainPath(doc_matters.src.doc_uid_out ~ ".odt")).asNormalizedPath).array;
      }
      string dirtop(string type) {
        return (type == "zip")
        ? "" // ".chainPath("").array
        : ((base_pth.chainPath(doc_matters.src.doc_uid_out)).asNormalizedPath).array.to!string;
      }
      string mimetype(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("mimetype")).asNormalizedPath).array;
      }
      string manifest_rdf(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("manifest.rdf")).asNormalizedPath).array;
      }
      string settings_xml(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("settings.xml")).asNormalizedPath).array;
      }
      string styles_xml(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("styles.xml")).asNormalizedPath).array;
      }
      string image_dir(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("Pictures")).asNormalizedPath).array;
      }
      string image(string image_fn_src, string type="fs") {
        assert(type == "zip" || "fs");
        return ((image_dir(type).chainPath(image_fn_src)).asNormalizedPath).array;
      }
      string content_xml(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("content.xml")).asNormalizedPath).array;
      }
      string meta_inf_dir(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("META-INF")).asNormalizedPath).array;
      }
      string manifest_xml(string type="fs") {
        assert(type == "zip" || "fs");
        return ((meta_inf_dir(type).chainPath("manifest.xml")).asNormalizedPath).array;
      }
      string meta_xml(string type="fs") {
        assert(type == "zip" || "fs");
        return ((dirtop(type).chainPath("meta.xml")).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}
template spinePathsPDF() {
  auto spinePathsPDF(M)(
    M  doc_matters,
  ) {
    struct _PathsStruct {
      string base_filename(string fn_src) {
        return fn_src.baseName.stripExtension;
      }
      auto out_pth() {
        string output_dir = doc_matters.output_path ~ "/pdf";
        return spineOutPaths!()(output_dir);
      }
      string base() {
        return (((out_pth.output_root).chainPath("pdf")).asNormalizedPath).array;
      }
      string pdf_path_stuff() {
        return ((base.chainPath(base_filename(doc_matters.src.filename))).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}
template spinePathsLaTeX() {
  auto spinePathsLaTeX(M)(
    M  doc_matters,
  ) {
    struct _PathsStruct {
      string base_filename(string fn_src) {
        return fn_src.baseName.stripExtension;
      }
      auto out_pth() {
        return spineOutPaths!()(doc_matters.output_path, doc_matters.src.language);
      }
      string base() {
        return (((out_pth.output_root).chainPath("latex")).asNormalizedPath).array;
      }
      string base_sty() {
        return (((out_pth.output_root).chainPath("latex").chainPath("sty")).asNormalizedPath).array;
      }
      string latex_path_stuff() {
        return ((base.chainPath(base_filename(doc_matters.src.filename))).asNormalizedPath).array;
      }
      string latex_file_with_path(string paper_size_orientation) {
        return ((base.chainPath(base_filename(doc_matters.src.filename)
             ~ "." ~ doc_matters.src.language
             ~ "."  ~ paper_size_orientation
             ~ ".tex")
          ).asNormalizedPath).array;
      }
      string latex_sty_with_path(string paper_size_orientation) { // spineA4portrait.sty
        return ((base_sty.chainPath("spine"
             ~ paper_size_orientation
             ~ ".sty")
          ).asNormalizedPath).array;
      }
      string latex_sty_with_path_static() { // spineShared.sty
        return ((base_sty.chainPath("spineShared.sty")).asNormalizedPath).array;
      }
      string images() {
        string image_dir = "image";
        return (((base).chainPath(image_dir)).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}
template spinePathsLaTeXsty() {
  auto spinePathsLaTeXsty(string output_dir) {
    struct _PathsStruct {
      auto out_pth() {
        return spineOutPaths!()(output_dir);
      }
      string base() {
        return (((out_pth.output_root).chainPath("latex")).asNormalizedPath).array;
      }
      string base_sty() {
        return (((out_pth.output_root).chainPath("latex").chainPath("sty")).asNormalizedPath).array;
      }
      string latex_sty_with_path(string paper_size_orientation) { // spineA4portrait.sty
        return ((base_sty.chainPath("spine"
             ~ paper_size_orientation
             ~ ".sty")
          ).asNormalizedPath).array;
      }
      string latex_sty_with_path_static() { // spineShared.sty
        return ((base_sty.chainPath("spineShared.sty")).asNormalizedPath).array;
      }
      string latex_document_header_sty(string filename) { // spineShared.sty
        return ((base_sty.chainPath(filename)).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}
template spinePathsSQLiteDiscrete() {
  auto spinePathsSQLiteDiscrete()(
    string output_pth_root,
    string lng,
  ) {
    struct _PathsStruct {
      string base_filename(string fn_src) {
        return fn_src.baseName.stripExtension;
      }
      string base() {
        auto out_pth = spineOutPaths!()(output_pth_root, lng);
        string base_dir = "sqlite";
        return (((out_pth.output_base).chainPath(base_dir)).asNormalizedPath).array;
      }
      string seg(string fn_src) {
        return ((base.chainPath(base_filename(fn_src))).asNormalizedPath).array;
      }
      string sqlite_file(string fn_src) {
        return ((base.chainPath(base_filename(fn_src) ~ ".sql.db")).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}
template spinePathsSQLite() {
  auto spinePathsSQLite()(
    string db_name,
    string output_pth_root,
  ) {
    struct _PathsStruct {
      string base_filename(string fn_src) {
        return fn_src.baseName.stripExtension;
      }
      string base() {
        auto out_pth = spineOutPathSQLite!()(output_pth_root); // decide whether to have separate files for each language
        string base_dir = "";
        return (((out_pth.output_root).chainPath(base_dir)).asNormalizedPath).array;
      }
      string sqlite_file() {
        return (base.chainPath(db_name).asNormalizedPath).array;
      }
    }
    return _PathsStruct();
  }
}