summaryrefslogtreecommitdiff
path: root/Build/source/texk/web2c/omegafonts/extra_routines.c
blob: 109c86818156ae378b7e998fb0977a004b36e6c3 (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
/* extra_routines.c: Tables for glues, rules, penalties, etc.

This file is part of Omega,
which is based on the web2c distribution of TeX,

Copyright (c) 1994--2001 John Plaice and Yannis Haralambous

Omega is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

Omega 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 Omega; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

*/

#include "cpascal.h"
#include "manifests.h"
#include "list_routines.h"
#include "extra_routines.h"
#include "header_routines.h"
#include "error_routines.h"

#define MAX_EXTRA_TABLES 16
#define MAX_TABLE_ENTRIES 256

unsigned *ivalue_tables[MAX_EXTRA_TABLES];
unsigned *penalty_tables[MAX_EXTRA_TABLES];
fix      *fvalue_tables[MAX_EXTRA_TABLES];
fix      *mvalue_tables[MAX_EXTRA_TABLES];
rule     *rule_tables[MAX_EXTRA_TABLES];
glue     *glue_tables[MAX_EXTRA_TABLES];

unsigned max_ivalue_entry[MAX_EXTRA_TABLES];
unsigned max_penalty_entry[MAX_EXTRA_TABLES];
unsigned max_fvalue_entry[MAX_EXTRA_TABLES];
unsigned max_mvalue_entry[MAX_EXTRA_TABLES];
unsigned max_rule_entry[MAX_EXTRA_TABLES];
unsigned max_glue_entry[MAX_EXTRA_TABLES];

unsigned no_ivalue_tables = 0;
unsigned no_penalty_tables = 0;
unsigned no_fvalue_tables = 0;
unsigned no_mvalue_tables = 0;
unsigned no_rule_tables = 0;
unsigned no_glue_tables = 0;

unsigned *cur_ivalue_table;
unsigned *cur_penalty_table;
fix      *cur_mvalue_table;
fix      *cur_fvalue_table;
rule     *cur_rule_table;
glue     *cur_glue_table;

unsigned cur_ivalue_table_index;
unsigned cur_penalty_table_index;
unsigned cur_mvalue_table_index;
unsigned cur_fvalue_table_index;
unsigned cur_rule_table_index;
unsigned cur_glue_table_index;

unsigned *cur_ivalue_entry;
unsigned *cur_penalty_entry;
fix      *cur_mvalue_entry;
fix      *cur_fvalue_entry;
rule     *cur_rule_entry;
glue     *cur_glue_entry;

unsigned nki=0;
unsigned nwi=0;
unsigned nkp=0;
unsigned nwp=0;
unsigned nkm=0;
unsigned nwm=0;
unsigned nkf=0;
unsigned nwf=0;
unsigned nkr=0;
unsigned nwr=0;
unsigned nkg=0;
unsigned nwg=0;

void
compute_ofm_extra_stuff(void)
{
    unsigned i;

    /* discard trailing empty tables */
    for (i=0; i<no_ivalue_tables; i++)
        if (max_ivalue_entry[i] > 0) {
            nki = i + 1;
            nwi += max_ivalue_entry[i];
        }
    for (i=0; i<no_penalty_tables; i++)
        if (max_penalty_entry[i] > 0) {
            nkp = i + 1;
            nwp += max_penalty_entry[i];
        }
    for (i=0; i<no_mvalue_tables; i++)
        if (max_mvalue_entry[i] > 0) {
            nkm = i + 1;
            nwm += max_mvalue_entry[i];
        }
    for (i=0; i<no_fvalue_tables; i++)
        if (max_fvalue_entry[i] > 0) {
            nkf = i + 1;
            nwf += max_fvalue_entry[i];
        }
    for (i=0; i<no_rule_tables; i++)
        if (max_rule_entry[i] > 0) {
            nkr = i + 1;
            nwr += 3 * max_rule_entry[i];
        }
    for (i=0; i<no_glue_tables; i++)
        if (max_glue_entry[i] > 0) {
            nkg = i + 1;
            nwg += 4 * max_glue_entry[i];
        }
    if (ofm_level < OFM_LEVEL1) {
        if (no_ivalue_tables > 0) {
            warning_2("Ignoring %d words in %d IVALUE tables", nwi, nki);
            nki = nwi = 0;
        }
        if (no_penalty_tables > 0) {
            warning_2("Ignoring %d words in %d PENALTY tables", nwp, nkp);
            nkp = nwp = 0;
        }
        if (no_mvalue_tables > 0) {
            warning_2("Ignoring %d words in %d MVALUE tables", nwm, nkm);
            nkm = nwm = 0;
        }
        if (no_fvalue_tables > 0) {
            warning_2("Ignoring %d words in %d FVALUE tables", nwf, nkf);
            nkf = nwf = 0;
        }
        if (no_rule_tables > 0) {
            warning_2("Ignoring %d words in %d RULE tables", nwr, nkr);
            nkr = nwr = 0;
        }
        if (no_glue_tables > 0) {
            warning_2("Ignoring %d words in %d GLUE tables", nwg, nkg);
            nkg = nwg = 0;
        }
    }
}

void
output_ofm_extra_stuff(void)
{
    if (ofm_level >= OFM_LEVEL1) {
      if (nki+nkp+nkm+nkf+nkr+nkg > 0) {
        fatal_error_0("OFM level 1 not currently supported");
      }
    }
}

#if 0
/* Not used */
static void
init_all_tables(void)
{
     unsigned i=0;

     for (i=0; i<MAX_EXTRA_TABLES; i++) {
         ivalue_tables[i] = NULL;
         penalty_tables[i] = NULL;
         fvalue_tables[i] = NULL;
         mvalue_tables[i] = NULL;
         rule_tables[i] = NULL;
         glue_tables[i] = NULL;
     }
}
#endif

void
init_font_ivalue(unsigned tab)
{
     if (tab>=MAX_EXTRA_TABLES)
         internal_error_1("init_font_ivalue (tab=%d)", tab);
     if (ivalue_tables[tab] != NULL) {
         warning_1("IVALUE table (D %d) previously defined; "
                   "old value ignored", tab);
         free(ivalue_tables[tab]);
     }
     ivalue_tables[tab] =
         (unsigned *) xcalloc(MAX_TABLE_ENTRIES, sizeof(unsigned));
     if (tab >= no_ivalue_tables)
         no_ivalue_tables = tab + 1;
     cur_ivalue_table_index = tab;
     cur_ivalue_table = ivalue_tables[tab];
     max_ivalue_entry[tab] = 0;
}

void
init_font_penalty(unsigned tab)
{
     if (tab>=MAX_EXTRA_TABLES)
         internal_error_1("init_font_penalty (tab=%d)", tab);
     if (penalty_tables[tab] != NULL) {
         warning_1("PENALTY table (D %d) previously defined; "
                   "old value ignored", tab);
         free(penalty_tables[tab]);
     }
     penalty_tables[tab] =
         (unsigned *) xcalloc(MAX_TABLE_ENTRIES, sizeof(unsigned));
     cur_penalty_table_index = tab;
     cur_penalty_table = penalty_tables[tab];
     if (tab >= no_penalty_tables)
         no_penalty_tables = tab + 1;
     max_penalty_entry[tab] = 0;
}

void
init_font_mvalue(unsigned tab)
{
     if (tab>=MAX_EXTRA_TABLES)
         internal_error_1("init_font_mvalue (tab=%d)", tab);
     if (mvalue_tables[tab] != NULL) {
         warning_1("MVALUE table (D %d) previously defined; "
                   "old value ignored", tab);
         free(mvalue_tables[tab]);
     }
     mvalue_tables[tab] =
         (fix *) xcalloc(MAX_TABLE_ENTRIES, sizeof(fix));
     if (tab >= no_mvalue_tables)
         no_mvalue_tables = tab + 1;
     cur_mvalue_table_index = tab;
     cur_mvalue_table = mvalue_tables[tab];
     max_mvalue_entry[tab] = 0;
}

void
init_font_fvalue(unsigned tab)
{
     if (tab>=MAX_EXTRA_TABLES)
         internal_error_1("init_font_fvalue (tab=%d)", tab);
     if (fvalue_tables[tab] != NULL) {
         warning_1("FVALUE table (D %d) previously defined; "
                   "old value ignored", tab);
         free(fvalue_tables[tab]);
     }
     fvalue_tables[tab] =
         (fix *) xcalloc(MAX_TABLE_ENTRIES, sizeof(fix));
     if (tab >= no_fvalue_tables)
         no_fvalue_tables = tab + 1;
     cur_fvalue_table_index = tab;
     cur_fvalue_table = fvalue_tables[tab];
     max_fvalue_entry[tab] = 0;
}

void
init_font_rule(unsigned tab)
{
     if (tab>=MAX_EXTRA_TABLES)
         internal_error_1("init_font_rule (tab=%d)", tab);
     if (rule_tables[tab] != NULL) {
         warning_1("RULE table (D %d) previously defined; "
                   "old value ignored", tab);
         free(rule_tables[tab]);
     }
     rule_tables[tab] =
         (rule *) xcalloc(MAX_TABLE_ENTRIES, sizeof(rule));
     if (tab >= no_rule_tables)
         no_rule_tables = tab + 1;
     cur_rule_table_index = tab;
     cur_rule_table = rule_tables[tab];
     max_rule_entry[tab] = 0;
}

void
init_font_glue(unsigned tab)
{
     if (tab>=MAX_EXTRA_TABLES)
         internal_error_1("init_font_glue (tab=%d)", tab);
     if (glue_tables[tab] != NULL) {
         warning_1("GLUE table (D %d) previously defined; "
                   "old value ignored", tab);
         free(glue_tables[tab]);
     }
     glue_tables[tab] =
         (glue *) xcalloc(MAX_TABLE_ENTRIES, sizeof(glue));
     if (tab >= no_glue_tables)
         no_glue_tables = tab + 1;
     cur_glue_table_index = tab;
     cur_glue_table = glue_tables[tab];
     max_glue_entry[tab] = 0;
}


void
init_font_ivalue_entry(unsigned index)
{
     if (index>=MAX_TABLE_ENTRIES)
         internal_error_1("init_font_ivalue_entry (index=%d)", index);
     cur_ivalue_entry = &cur_ivalue_table[index];
     if (max_ivalue_entry[cur_ivalue_table_index] <= index)
         max_ivalue_entry[cur_ivalue_table_index] = index + 1;
}

void
init_font_penalty_entry(unsigned index)
{
     if (index>=MAX_TABLE_ENTRIES)
         internal_error_1("init_font_penalty_entry (index=%d)", index);
     cur_penalty_entry = &cur_penalty_table[index];
     if (max_penalty_entry[cur_penalty_table_index] <= index)
         max_penalty_entry[cur_penalty_table_index] = index + 1;
}

void
init_font_mvalue_entry(unsigned index)
{
     if (index>=MAX_TABLE_ENTRIES)
         internal_error_1("init_font_mvalue_entry (index=%d)", index);
     cur_mvalue_entry = &cur_mvalue_table[index];
     if (max_mvalue_entry[cur_mvalue_table_index] <= index)
         max_mvalue_entry[cur_mvalue_table_index] = index + 1;
}

void
init_font_fvalue_entry(unsigned index)
{
     if (index>=MAX_TABLE_ENTRIES)
         internal_error_1("init_font_fvalue_entry (index=%d)", index);
     cur_fvalue_entry = &cur_fvalue_table[index];
     if (max_fvalue_entry[cur_fvalue_table_index] <= index)
         max_fvalue_entry[cur_fvalue_table_index] = index + 1;
}

void
init_font_rule_entry(unsigned index)
{
     if (index>=MAX_TABLE_ENTRIES)
         internal_error_1("init_font_rule_entry (index=%d)", index);
     cur_rule_entry = &cur_rule_table[index];
     if (max_rule_entry[cur_rule_table_index] <= index)
         max_rule_entry[cur_rule_table_index] = index + 1;
}

void
init_font_glue_entry(unsigned index)
{
     if (index>=MAX_TABLE_ENTRIES)
         internal_error_1("init_font_glue_entry (index=%d)", index);
     cur_glue_entry = &cur_glue_table[index];
     if (max_glue_entry[cur_glue_table_index] <= index)
         max_glue_entry[cur_glue_table_index] = index + 1;
}


void
set_font_ivalue_definition(unsigned val)
{
     *cur_ivalue_entry = val;
}

void
set_font_penalty_definition(unsigned val)
{
     *cur_penalty_entry = val;
}

void
set_font_mvalue_definition(fix fval)
{
     *cur_mvalue_entry = fval;
}

void
set_font_fvalue_definition(fix fval)
{
     *cur_fvalue_entry = fval;
}

void
set_font_rule_measure(unsigned measure, fix fval)
{
     switch (measure) {
         case RULE_WD: {
             cur_rule_entry->rule_wd = fval; break;
         }
         case RULE_HT: {
             cur_rule_entry->rule_ht = fval; break;
         }
         case RULE_DP: {
             cur_rule_entry->rule_dp = fval; break;
         }
         default: {
             internal_error_1("set_font_rule_measure (measure=%d)", measure);
         }
     }
}


void
set_font_glue_width(fix width)
{
     cur_glue_entry->glue_width = width;
}

void
set_font_glue_shrink_stretch(unsigned shrink_stretch,
                             fix width, unsigned order)
{
     switch (shrink_stretch) {
         case GLUE_SHRINK: {
             cur_glue_entry->glue_shrink = width;
             cur_glue_entry->glue_shrink_order = order; break;
         }
         case GLUE_STRETCH: {
             cur_glue_entry->glue_stretch = width;
             cur_glue_entry->glue_stretch_order = order; break;
         }
         default: {
             internal_error_1("set_font_rule_measure (shrink_stretch=%d)",
                              shrink_stretch);
         }
     }
}

void
set_font_glue_type(unsigned type)
{
     cur_glue_entry->glue_type = type;
}

void
set_font_glue_character(unsigned c)
{
    cur_glue_entry->glue_arg_type = GLUEARG_CHAR;
    cur_glue_entry->glue_arg1 = c;
}

void
set_font_glue_rule(unsigned rule_table, unsigned rule_index)
{
    cur_glue_entry->glue_arg_type = GLUEARG_RULE;
    cur_glue_entry->glue_arg1 = rule_table;
    cur_glue_entry->glue_arg2 = rule_index;
}

void
set_character_ivalue(unsigned table, unsigned index)
{
    fatal_error_0("CHARIVALUE not currently supported");
}

void
set_character_penalty(unsigned table, unsigned index)
{
    fatal_error_0("CHARPENALTY not currently supported");
}

void
set_character_mvalue(unsigned table, unsigned index)
{
    fatal_error_0("CHARMVALUE not currently supported");
}

void
set_character_fvalue(unsigned table, unsigned index)
{
    fatal_error_0("CHARFVALUE not currently supported");
}

void
set_character_rule(unsigned table, unsigned index)
{
    fatal_error_0("CHARRULE not currently supported");
}

void
set_character_glue(unsigned table, unsigned index)
{
    fatal_error_0("CHARGLUE not currently supported");
}