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69695f33 MW |
1 | |
2 | /* Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 by Arkkra Enterprises */ | |
3 | /* All rights reserved */ | |
4 | ||
5 | /* Assign values to internal variables in an SSV struct. The functions in | |
6 | * this file are called from the parse phase. */ | |
7 | ||
8 | ||
9 | #include <string.h> | |
10 | #include "defines.h" | |
11 | #include "structs.h" | |
12 | #include "globals.h" | |
13 | ||
14 | ||
15 | /* there are several cases where we ultimately want arrays, but don't | |
16 | * know in advance how many elements will be in the array. This could be | |
17 | * done by building a linked list first, then malloc-ing the right size and | |
18 | * copying everything. However, what we'll do is allocate CHUNK elements | |
19 | * to start, and realloc if necessary. When we're done, we realloc down | |
20 | * to the actual size */ | |
21 | #define CHUNK (8) | |
22 | ||
23 | /* minimum allowable height or width of page (in inches) | |
24 | * after subtracting off the margins */ | |
25 | #define MIN_USABLE_SPACE 0.5 | |
26 | ||
27 | ||
28 | /* Macros to adjust numbers between inches to centimeters . */ | |
29 | ||
30 | /* Given a number in inches, use that number if in inches mode. | |
31 | * If in centimeter mode, then use the equivalent distance in centimeters, | |
32 | * rounded to the nearest quarter of a centimeter. */ | |
33 | #define ADJUST4UNITS(n) (Score.units == INCHES ? n : NEARESTQUARTER(n * CMPERINCH)) | |
34 | ||
35 | /* Given an input number, leave as is if in inches mode. If in centimeter | |
36 | * mode, treat the number as being in centimeters, and convert to the inch | |
37 | * equivalent distance. */ | |
38 | #define ADJUST2INCHES(n) { if (Score.units == CM) n /= CMPERINCH; } | |
39 | ||
40 | static struct STAFFSET *Curr_staffset_p;/* staffset currently | |
41 | * being filled in */ | |
42 | static int Ss_count; /* num of elements in Curr_staffset_p | |
43 | * currently actually being used */ | |
44 | static int Ss_length; /* num of elements allocated | |
45 | * to Curr_staffset_p */ | |
46 | ||
47 | static struct TOP_BOT *Curr_barstlist_p;/* bar style list being filled in */ | |
48 | static int Barst_count; /* number of elements in | |
49 | * Curr_barstlist_p that are currently | |
50 | * filled in with valid values */ | |
51 | static int Barst_length; /* number of elements allocated to | |
52 | * Curr_barstlist_p */ | |
53 | ||
54 | struct BEAMLIST { | |
55 | RATIONAL *list_p; /* beam list being filled in */ | |
56 | int count; /* elements filled in list_p */ | |
57 | int length; /* elements allocated to list_p */ | |
58 | }; | |
59 | /* These store info from the beamstyle parameter. */ | |
60 | static struct BEAMLIST Curr_beamstyle; | |
61 | static struct BEAMLIST Curr_subbeamstyle; | |
62 | static int Subbeam_index; /* Index into Curr_subbeamstyle where | |
63 | * the most recent '(' was, or -1 if | |
64 | * no pending unmatched parenthesis. */ | |
65 | static char *parmformat = "%s parameter"; /* for error messages */ | |
66 | ||
67 | /* functions to do all the various checks. They check the context, | |
68 | * range, power_of2, etc, and | |
69 | * mark the variable as used if everything passes the checks. The first | |
70 | * is for int variables (actually short) in SSV, the second for floats */ | |
71 | static int do_assign P((int var, int value, int min, int max, | |
72 | int cont, int empty_value, char *name, | |
73 | struct MAINLL *mainll_item_p, short *ptr2dest)); | |
74 | ||
75 | static int do_fassign P((int var, double value, double min, | |
76 | double max, int cont, char *name, struct MAINLL *mainll_item_p, | |
77 | float *ptr2dest)); | |
78 | static void chg_too_late P((char *var_name)); | |
79 | ||
80 | /* comparison functions to be passed to qsort */ | |
81 | static int comp_staffset P((const void *item1_p, | |
82 | const void *item2_p)); | |
83 | static int comp_barst P((const void *item1_p, const void *item2_p)); | |
84 | static int is_tablature_staff P((struct SSV *ssv_p)); | |
85 | static void init_beamlist P((struct BEAMLIST *beamlist_p)); | |
86 | static void add2outerbeam P((RATIONAL value)); | |
87 | \f | |
88 | ||
89 | /* assign a value to an SSV variable having a domain of short, | |
90 | * after doing any appropriate checks */ | |
91 | ||
92 | void | |
93 | assign_int(var, value, mainll_item_p) | |
94 | ||
95 | int var; /* SSV index of which variable to set */ | |
96 | int value; /* what to set it to */ | |
97 | struct MAINLL *mainll_item_p; /* where to store SSV info in main list */ | |
98 | ||
99 | { | |
100 | /* all of these things except font can only go | |
101 | * into score/staff sorts of things, | |
102 | * not head/foot. If we are in a head/foot, the MAINLL will be null */ | |
103 | if (Context == C_MUSIC || Context == C_GRIDS || Context == C_HEADSHAPES | |
104 | || (mainll_item_p == 0 && var != SIZE)) { | |
105 | yyerror("trying to set parameter value in wrong context"); | |
106 | return; | |
107 | } | |
108 | ||
109 | ||
110 | if (mainll_item_p != (struct MAINLL *) 0) { | |
111 | debug(4, "assign_int file=%s line=%d var=%d t value=%d", | |
112 | mainll_item_p->inputfile, mainll_item_p->inputlineno, var, value); | |
113 | } | |
114 | ||
115 | /* handle each variable appropriately */ | |
116 | switch (var) { | |
117 | ||
118 | case SIZE: | |
119 | Curr_size = value; | |
120 | if ( Context & C_BLOCKHEAD ) { | |
121 | (void) rangecheck(value, MINSIZE, MAXSIZE, "size"); | |
122 | ||
123 | /* special case -- size can be set in block, | |
124 | * and there we don't put in SSV struct, | |
125 | * just save its value in Curr_size */ | |
126 | return; | |
127 | } | |
128 | else { | |
129 | (void) do_assign(var, value, MINSIZE, MAXSIZE, | |
130 | C_SCORE | C_STAFF, NO, "size", | |
131 | mainll_item_p, &(mainll_item_p->u.ssv_p->size)); | |
132 | /* set in Score, in case we get an "all" */ | |
133 | if (Context == C_SCORE) { | |
134 | Score.size = (short) value; | |
135 | } | |
136 | } | |
137 | break; | |
138 | ||
139 | case LYRICSSIZE: | |
140 | if (do_assign(var, value, MINSIZE, MAXSIZE, C_SCORE | C_STAFF, | |
141 | NO, "lyricssize", mainll_item_p, | |
142 | &(mainll_item_p->u.ssv_p->lyricssize) ) | |
143 | == YES) { | |
144 | /* save values for any lyrics that come later */ | |
145 | if (Context == C_SCORE) { | |
146 | /* set in case we get some "all" lyrics */ | |
147 | Score.lyricssize = (short) value; | |
148 | } | |
149 | setlyrsize(mainll_item_p->u.ssv_p->staffno, value); | |
150 | } | |
151 | break; | |
152 | ||
153 | case MEASNUMSIZE: | |
154 | (void) do_assign(var, value, MINSIZE, MAXSIZE, C_SCORE, | |
155 | NO, "measnumsize", mainll_item_p, | |
156 | &(mainll_item_p->u.ssv_p->measnumsize) ); | |
157 | break; | |
158 | ||
159 | case SYLPOSITION: | |
160 | (void) do_assign(var, value, MINSYLPOSITION, MAXSYLPOSITION, | |
161 | C_SCORE | C_STAFF, | |
162 | NO, "sylposition", mainll_item_p, | |
163 | &(mainll_item_p->u.ssv_p->sylposition) ); | |
164 | break; | |
165 | ||
166 | case DEFOCT: | |
167 | (void) do_assign(var, value, MINOCTAVE, MAXOCTAVE, | |
168 | C_SSV, NO, "defoct", mainll_item_p, | |
169 | &(mainll_item_p->u.ssv_p->defoct) ); | |
170 | if (Context != C_SCORE && | |
171 | is_tab_staff(mainll_item_p->u.ssv_p->staffno) | |
172 | == YES) { | |
173 | yyerror("defoct not allowed on tablature staff"); | |
174 | } | |
175 | else { | |
176 | asgnssv(mainll_item_p->u.ssv_p); | |
177 | } | |
178 | break; | |
179 | ||
180 | case NUMSTAFF: | |
181 | if (do_assign(var, value, MINSTAFFS, MAXSTAFFS, C_SCORE, NO, | |
182 | "staffs", mainll_item_p, | |
183 | &(mainll_item_p->u.ssv_p->staffs) ) | |
184 | == YES) { | |
185 | ||
186 | /* can only change number of staffs if not in the | |
187 | * middle of doing music data. We exclaimed about | |
188 | * the user error in end_prev_context(), so if this | |
189 | * occurs, we just skip over the code in the "if" | |
190 | */ | |
191 | if (List_of_staffs_p == (struct MAINLL *) 0) { | |
192 | /* NUMSTAFFS is a special case, | |
193 | * in that several other | |
194 | * items have to do error checking | |
195 | * based on the number of staffs specified, | |
196 | * so we have to set it immediately rather than | |
197 | * waiting for the whole SSV struct | |
198 | * to be built. */ | |
199 | Score.staffs = (short) value; | |
200 | ||
201 | /* if the number of scores changes, | |
202 | * there can't be any | |
203 | * pending "til" clauses on STUFF */ | |
204 | chk4dangling_til_clauses( | |
205 | "change in number of staffs"); | |
206 | ||
207 | /* any pedal information is no long valid */ | |
208 | reset_ped_state(); | |
209 | } | |
210 | } | |
211 | break; | |
212 | ||
213 | case VISIBLE: | |
214 | /* actually yacc already guarantees will be in range */ | |
215 | (void) do_assign(var, value, 0, 1, C_SCORE|C_STAFF|C_VOICE, NO, | |
216 | "visible", mainll_item_p, | |
217 | &(mainll_item_p->u.ssv_p->visible) ); | |
218 | break; | |
219 | ||
220 | case MEASNUM: | |
221 | /* actually yacc already guarantees will be in range */ | |
222 | (void) do_assign(var, value, 0, 1, C_SCORE, NO, | |
223 | "measnum", mainll_item_p, | |
224 | &(mainll_item_p->u.ssv_p->measnum) ); | |
225 | break; | |
226 | ||
227 | case CANCELKEY: | |
228 | /* actually yacc already guarantees will be in range */ | |
229 | (void) do_assign(var, value, 0, 1, C_SCORE | C_STAFF, NO, | |
230 | "cancelkey", mainll_item_p, | |
231 | &(mainll_item_p->u.ssv_p->cancelkey) ); | |
232 | break; | |
233 | ||
234 | case MINSTSEP: | |
235 | (void) do_assign(var, value, MINMINSTSEP, MAXSEPVAL, | |
236 | C_SCORE | C_STAFF, NO, "staffsep", mainll_item_p, | |
237 | &(mainll_item_p->u.ssv_p->minstsep) ); | |
238 | break; | |
239 | ||
240 | case MINSCSEP: | |
241 | (void) do_assign(var, value, MINMINSCSEP, MAXSEPVAL, | |
242 | C_SCORE, NO, "min scoresep", mainll_item_p, | |
243 | &(mainll_item_p->u.ssv_p->minscsep) ); | |
244 | break; | |
245 | ||
246 | case MAXSCSEP: | |
247 | (void) do_assign(var, value, MINMAXSCSEP, MAXSEPVAL, | |
248 | C_SCORE, NO, "max scoresep", mainll_item_p, | |
249 | &(mainll_item_p->u.ssv_p->maxscsep) ); | |
250 | break; | |
251 | ||
252 | case CHORDDIST: | |
253 | (void) do_assign(var, value, MINCHORDDIST, MAXCHORDDIST, | |
254 | C_SCORE | C_STAFF, NO, "chorddist", | |
255 | mainll_item_p, | |
256 | &(mainll_item_p->u.ssv_p->chorddist) ); | |
257 | break; | |
258 | ||
259 | case DIST: | |
260 | (void) do_assign(var, value, MINDIST, MAXDIST, | |
261 | C_SCORE | C_STAFF, NO, "dist", mainll_item_p, | |
262 | &(mainll_item_p->u.ssv_p->dist) ); | |
263 | break; | |
264 | ||
265 | case DYNDIST: | |
266 | (void) do_assign(var, value, MINDYNDIST, MAXDYNDIST, | |
267 | C_SCORE | C_STAFF, NO, "dyndist", | |
268 | mainll_item_p, | |
269 | &(mainll_item_p->u.ssv_p->dyndist) ); | |
270 | break; | |
271 | ||
272 | case STAFFPAD: | |
273 | (void) do_assign(var,value, MINSTPAD, MAXSTPAD, | |
274 | C_SCORE | C_STAFF, NO, | |
275 | "staffpad", mainll_item_p, | |
276 | &(mainll_item_p->u.ssv_p->staffpad) ); | |
277 | break; | |
278 | ||
279 | case MINSCPAD: | |
280 | (void) do_assign(var, value, MINMINSCPAD, MAXPADVAL, | |
281 | C_SCORE, NO, "min scorepad", mainll_item_p, | |
282 | &(mainll_item_p->u.ssv_p->minscpad) ); | |
283 | break; | |
284 | ||
285 | case MAXSCPAD: | |
286 | (void) do_assign(var, value, MINMAXSCPAD, MAXPADVAL, | |
287 | C_SCORE, NO, "max scorepad", mainll_item_p, | |
288 | &(mainll_item_p->u.ssv_p->maxscpad) ); | |
289 | break; | |
290 | ||
291 | case DIVISION: | |
292 | chg_too_late("division"); | |
293 | (void) do_assign(var, value, MINDIVISION, MAXDIVISION, | |
294 | C_SCORE, NO, "division", mainll_item_p, | |
295 | &(mainll_item_p->u.ssv_p->division) ); | |
296 | /* division values that aren't divisible by 2 and 3 are | |
297 | * unlikely to be right and are likely to lead to rational | |
298 | * overflow in MIDI code, so give warning */ | |
299 | if ((value % 6) != 0) { | |
300 | l_warning(Curr_filename, yylineno, | |
301 | "dubious division value"); | |
302 | } | |
303 | ||
304 | break; | |
305 | ||
306 | case RELEASE: | |
307 | (void) do_assign(var, value, MINRELEASE, MAXRELEASE, | |
308 | C_SCORE | C_STAFF | C_VOICE, NO, | |
309 | "release", mainll_item_p, | |
310 | &(mainll_item_p->u.ssv_p->release) ); | |
311 | break; | |
312 | ||
313 | case PANELSPERPAGE: | |
314 | chg_too_late("panelsperpage"); | |
315 | (void) do_assign(var, value, MINPANELSPERPAGE, MAXPANELSPERPAGE, | |
316 | C_SCORE, NO, | |
317 | "panelsperpage", mainll_item_p, | |
318 | &(mainll_item_p->u.ssv_p->panelsperpage) ); | |
319 | break; | |
320 | ||
321 | case RESTCOMBINE: | |
322 | (void) do_assign(var, value, | |
323 | MINRESTCOMBINE, MAXRESTCOMBINE, | |
324 | C_SCORE, NORESTCOMBINE, | |
325 | "restcombine", mainll_item_p, | |
326 | &(mainll_item_p->u.ssv_p->restcombine) ); | |
327 | break; | |
328 | ||
329 | case FIRSTPAGE: | |
330 | chg_too_late("firstpage"); | |
331 | (void) do_assign(var, value, MINFIRSTPAGE, MAXFIRSTPAGE, | |
332 | C_SCORE, NO, | |
333 | "firstpage", mainll_item_p, | |
334 | &(mainll_item_p->u.ssv_p->firstpage) ); | |
335 | break; | |
336 | ||
337 | case GRIDFRET: | |
338 | (void) do_assign(var, value, MINGRIDFRET, MAXGRIDFRET, | |
339 | C_SCORE | C_STAFF, NOGRIDFRET, | |
340 | "gridfret", mainll_item_p, | |
341 | &(mainll_item_p->u.ssv_p->gridfret) ); | |
342 | break; | |
343 | ||
344 | case GRIDSWHEREUSED: | |
345 | (void) do_assign(var, value, 0, 1, | |
346 | C_SCORE | C_STAFF, NO, | |
347 | "gridswhereused", mainll_item_p, | |
348 | &(mainll_item_p->u.ssv_p->gridswhereused) ); | |
349 | break; | |
350 | ||
351 | case GRIDSATEND: | |
352 | (void) do_assign(var, value, 0, 1, C_SCORE, NO, | |
353 | "gridsatend", mainll_item_p, | |
354 | &(mainll_item_p->u.ssv_p->gridsatend) ); | |
355 | break; | |
356 | ||
357 | case TABWHITEBOX: | |
358 | /* actually yacc already guarantees will be in range */ | |
359 | (void) do_assign(var, value, 0, 1, | |
360 | C_SCORE | C_STAFF | C_VOICE, NO, | |
361 | "tabwhitebox", mainll_item_p, | |
362 | &(mainll_item_p->u.ssv_p->tabwhitebox) ); | |
363 | break; | |
364 | ||
365 | case ONTHELINE: | |
366 | /* This only makes sense on 1-line staffs, but we decided | |
367 | * it is best to silently accept it elsewhere. For example, | |
368 | * you might want to set it in score context to apply to all | |
369 | * the 1-line staffs there are. */ | |
370 | (void) do_assign(var, value, 0, 1, | |
371 | C_SCORE | C_STAFF | C_VOICE, NO, | |
372 | "ontheline", mainll_item_p, | |
373 | &(mainll_item_p->u.ssv_p->ontheline) ); | |
374 | break; | |
375 | ||
376 | case WARN: | |
377 | (void) do_assign(var, value, 0, 1, | |
378 | C_SCORE, NO, "warn", mainll_item_p, | |
379 | &(mainll_item_p->u.ssv_p->warn) ); | |
380 | break; | |
381 | ||
382 | case NUMBERMRPT: | |
383 | (void) do_assign(var, value, 0, 1, | |
384 | C_SCORE | C_STAFF, NO, "numbermrpt", mainll_item_p, | |
385 | &(mainll_item_p->u.ssv_p->numbermrpt) ); | |
386 | break; | |
387 | ||
388 | case PRINTMULTNUM: | |
389 | (void) do_assign(var, value, 0, 1, | |
390 | C_SCORE | C_STAFF, NO, "printmultnum", mainll_item_p, | |
391 | &(mainll_item_p->u.ssv_p->printmultnum) ); | |
392 | break; | |
393 | ||
394 | case RESTSYMMULT: | |
395 | (void) do_assign(var, value, 0, 1, | |
396 | C_SCORE | C_STAFF, NO, "restsymmult", mainll_item_p, | |
397 | &(mainll_item_p->u.ssv_p->restsymmult) ); | |
398 | break; | |
399 | ||
400 | default: | |
401 | pfatal("bad parameter name\n"); | |
402 | break; | |
403 | } | |
404 | } | |
405 | \f | |
406 | ||
407 | /* do all the error checks for an int variable. If it passes all checks, | |
408 | * set the used flag to YES and return YES. If something fails, return NO. */ | |
409 | /* Checks are: must be within range, must be in valid context, the MAINLL | |
410 | * struct passed must be non-NULL, and if the pow2 flag is YES, the value | |
411 | * must be a power of two. Also give warning if field already used. Getting | |
412 | * a null pointer is not fatal--it can happen if user tried to do something | |
413 | * in the wrong context. */ | |
414 | ||
415 | static int | |
416 | do_assign(var, value, min, max, cont, empty_value, name, mainll_item_p, ptr2dest) | |
417 | ||
418 | int var; /* which variable to set */ | |
419 | int value; /* what to set it to */ | |
420 | int min; /* minimum valid value */ | |
421 | int max; /* maximum valid value */ | |
422 | int cont; /* valid context(s) (bitmap) */ | |
423 | int empty_value; /* if NO, value must be strictly within the | |
424 | * given min/max. If != NO, it is an extra | |
425 | * value, outside the min/max range, that | |
426 | * is legal, and indicates | |
427 | * user set the value to empty */ | |
428 | char *name; /* of internal variable, for error messages */ | |
429 | struct MAINLL *mainll_item_p; /* which structure to set it in */ | |
430 | short *ptr2dest; /* the address of the variable to be set */ | |
431 | ||
432 | { | |
433 | char fullname[50]; /* name + " parameter" */ | |
434 | if (mainll_item_p == (struct MAINLL *) 0) { | |
435 | l_yyerror(Curr_filename, yylineno, "wrong context for setting %s", | |
436 | name); | |
437 | return(NO); | |
438 | } | |
439 | (void) sprintf(fullname, parmformat, name); | |
440 | if (contextcheck(cont, fullname) == NO) { | |
441 | return(NO); | |
442 | } | |
443 | ||
444 | /* exclaim if already set in this SSV */ | |
445 | used_check(mainll_item_p, var, name); | |
446 | ||
447 | /* do the checks */ | |
448 | if (empty_value != NO && erangecheck(value, min, max, empty_value, name) == NO) { | |
449 | return(NO); | |
450 | } | |
451 | else if (empty_value == NO && rangecheck(value, min, max, name) == NO) { | |
452 | return(NO); | |
453 | } | |
454 | /* passed all the checks-- assign and mark it as used */ | |
455 | mainll_item_p->u.ssv_p->used[var] = YES; | |
456 | *ptr2dest = (short) value; | |
457 | return(YES); | |
458 | } | |
459 | \f | |
460 | ||
461 | /* do assignment of float type SSV variables */ | |
462 | ||
463 | void | |
464 | assign_float(var, value, mainll_item_p) | |
465 | ||
466 | int var; /* which variable to set */ | |
467 | double value; /* what to set it to */ | |
468 | struct MAINLL *mainll_item_p; /* where to store info */ | |
469 | ||
470 | { | |
471 | ||
472 | /* all of these things can only go into score/staff sorts of things, | |
473 | * not head/foot. If we are in a head/foot, the MAINLL will be null */ | |
474 | if (mainll_item_p == 0 || Context == C_MUSIC) { | |
475 | yyerror("trying to set parameter value in wrong context"); | |
476 | return; | |
477 | } | |
478 | ||
479 | debug(4, "assign_float file=%s line=%d var=%d value=%f", | |
480 | mainll_item_p->inputfile, mainll_item_p->inputlineno, var, value); | |
481 | ||
482 | /* some changes are only allowed before music data is entered */ | |
483 | if (Got_some_data == YES) { | |
484 | switch (var) { | |
485 | case TOPMARGIN: | |
486 | case BOTMARGIN: | |
487 | case LEFTMARGIN: | |
488 | case RIGHTMARGIN: | |
489 | chg_too_late( "margin"); | |
490 | break; | |
491 | case SCALE_FACTOR: | |
492 | chg_too_late( "scale"); | |
493 | break; | |
494 | case PAGEHEIGHT: | |
495 | case PAGEWIDTH: | |
496 | chg_too_late( "page size"); | |
497 | break; | |
498 | default: | |
499 | break; | |
500 | } | |
501 | } | |
502 | ||
503 | /* if pagesize minus the margins get too small (or even worse, | |
504 | * negative), we better complain */ | |
505 | switch (var) { | |
506 | case TOPMARGIN: | |
507 | case BOTMARGIN: | |
508 | case LEFTMARGIN: | |
509 | case RIGHTMARGIN: | |
510 | case PAGEHEIGHT: | |
511 | case PAGEWIDTH: | |
512 | chkmargin(Score.topmargin, Score.botmargin, Score.leftmargin, | |
513 | Score.rightmargin); | |
514 | break; | |
515 | default: | |
516 | break; | |
517 | } | |
518 | ||
519 | switch (var) { | |
520 | ||
521 | case TOPMARGIN: | |
522 | if (do_fassign(var, (double) value, | |
523 | (double) ADJUST4UNITS(MINVMARGIN), | |
524 | (double) ADJUST4UNITS(Score.pageheight - MIN_USABLE_SPACE), | |
525 | C_SCORE, "topmargin", mainll_item_p, | |
526 | &(mainll_item_p->u.ssv_p->topmargin) ) | |
527 | == YES) { | |
528 | ADJUST2INCHES(mainll_item_p->u.ssv_p->topmargin) | |
529 | ||
530 | /* put in score so we can check for margins exceeding paper size */ | |
531 | Score.topmargin = mainll_item_p->u.ssv_p->topmargin; | |
532 | } | |
533 | break; | |
534 | ||
535 | case BOTMARGIN: | |
536 | if (do_fassign(var, (double) value, | |
537 | (double) ADJUST4UNITS(MINVMARGIN), | |
538 | (double) ADJUST4UNITS(Score.pageheight - MIN_USABLE_SPACE), | |
539 | C_SCORE, "bottommargin", mainll_item_p, | |
540 | &(mainll_item_p->u.ssv_p->botmargin) ) | |
541 | == YES) { | |
542 | ADJUST2INCHES(mainll_item_p->u.ssv_p->botmargin) | |
543 | Score.botmargin = mainll_item_p->u.ssv_p->botmargin; | |
544 | } | |
545 | break; | |
546 | ||
547 | case LEFTMARGIN: | |
548 | if (do_fassign(var, (double) value, | |
549 | (double) ADJUST4UNITS(MINHMARGIN), | |
550 | (double) ADJUST4UNITS(Score.pagewidth - MIN_USABLE_SPACE), | |
551 | C_SCORE, "leftmargin", mainll_item_p, | |
552 | &(mainll_item_p->u.ssv_p->leftmargin) ) | |
553 | == YES) { | |
554 | ADJUST2INCHES(mainll_item_p->u.ssv_p->leftmargin) | |
555 | Score.leftmargin = mainll_item_p->u.ssv_p->leftmargin; | |
556 | } | |
557 | break; | |
558 | ||
559 | case RIGHTMARGIN: | |
560 | if (do_fassign(var, (double) value, | |
561 | (double) ADJUST4UNITS(MINHMARGIN), | |
562 | (double) ADJUST4UNITS(Score.pagewidth - MIN_USABLE_SPACE), | |
563 | C_SCORE, "rightmargin", mainll_item_p, | |
564 | &(mainll_item_p->u.ssv_p->rightmargin) ) | |
565 | == YES) { | |
566 | ADJUST2INCHES(mainll_item_p->u.ssv_p->rightmargin) | |
567 | Score.rightmargin = mainll_item_p->u.ssv_p->rightmargin; | |
568 | } | |
569 | break; | |
570 | ||
571 | case PACKFACT: | |
572 | (void) do_fassign(var, (double) value, | |
573 | (double) MINPACKFACT, (double) MAXPACKFACT, | |
574 | C_SCORE, "packfact", mainll_item_p, | |
575 | &(mainll_item_p->u.ssv_p->packfact) ); | |
576 | break; | |
577 | ||
578 | case PACKEXP: | |
579 | (void) do_fassign(var, (double) value, | |
580 | (double) MINPACKEXP, (double) MAXPACKEXP, | |
581 | C_SCORE, "packexp", mainll_item_p, | |
582 | &(mainll_item_p->u.ssv_p->packexp) ); | |
583 | break; | |
584 | ||
585 | case SCALE_FACTOR: | |
586 | (void) do_fassign(var, (double) value, | |
587 | (double) MINSCALE, (double) MAXSCALE, | |
588 | C_SCORE, "scale factor", mainll_item_p, | |
589 | &(mainll_item_p->u.ssv_p->scale_factor) ); | |
590 | break; | |
591 | ||
592 | case STAFFSCALE: | |
593 | (void) do_fassign(var, (double) value, | |
594 | (double) MINSTFSCALE, (double) MAXSTFSCALE, | |
595 | C_SCORE | C_STAFF, "staffscale", mainll_item_p, | |
596 | &(mainll_item_p->u.ssv_p->staffscale) ); | |
597 | break; | |
598 | ||
599 | case GRIDSCALE: | |
600 | (void) do_fassign(var, (double) value, | |
601 | (double) MINGRIDSCALE, (double) MAXGRIDSCALE, | |
602 | C_SCORE | C_STAFF, "gridscale", mainll_item_p, | |
603 | &(mainll_item_p->u.ssv_p->gridscale) ); | |
604 | break; | |
605 | ||
606 | case PAGEHEIGHT: | |
607 | if (do_fassign(var, (double) value, | |
608 | (double) ADJUST4UNITS(MINPAGEHEIGHT), | |
609 | (double) ADJUST4UNITS(MAXPAGEHEIGHT), | |
610 | C_SCORE, "pageheight", mainll_item_p, | |
611 | &(mainll_item_p->u.ssv_p->pageheight) ) | |
612 | == YES) { | |
613 | ADJUST2INCHES(mainll_item_p->u.ssv_p->pageheight) | |
614 | Score.pageheight = mainll_item_p->u.ssv_p->pageheight; | |
615 | } | |
616 | break; | |
617 | ||
618 | case PAGEWIDTH: | |
619 | if (do_fassign(var, (double) value, | |
620 | (double) ADJUST4UNITS(MINPAGEWIDTH), | |
621 | (double) ADJUST4UNITS(MAXPAGEWIDTH), | |
622 | C_SCORE, "pagewidth", mainll_item_p, | |
623 | &(mainll_item_p->u.ssv_p->pagewidth) ) | |
624 | == YES) { | |
625 | ADJUST2INCHES(mainll_item_p->u.ssv_p->pagewidth) | |
626 | Score.pagewidth = mainll_item_p->u.ssv_p->pagewidth; | |
627 | } | |
628 | break; | |
629 | ||
630 | case LYRICSALIGN: | |
631 | (void) do_fassign(var, (double) value, | |
632 | (double) MINLYRICSALIGN, | |
633 | (double) MAXLYRICSALIGN, | |
634 | C_SCORE | C_STAFF, "lyricsalign", mainll_item_p, | |
635 | &(mainll_item_p->u.ssv_p->lyricsalign) ); | |
636 | break; | |
637 | ||
638 | case PAD: | |
639 | (void) do_fassign(var, (double) value, | |
640 | (double) MINPAD, | |
641 | (double) MAXPAD, | |
642 | C_SCORE | C_STAFF | C_VOICE, "pad", mainll_item_p, | |
643 | &(mainll_item_p->u.ssv_p->pad) ); | |
644 | /* What the user calls zero means notes can | |
645 | * just touch, but internally we want zero to mean the | |
646 | * default of 1 point of padding, so adjust. */ | |
647 | mainll_item_p->u.ssv_p->pad -= POINT; | |
648 | break; | |
649 | ||
650 | case STEMLEN: | |
651 | (void) do_fassign(var, (double) value, | |
652 | (double) MINSTEMLEN, | |
653 | (double) MAXSTEMLEN, | |
654 | C_SSV, "stemlen", mainll_item_p, | |
655 | &(mainll_item_p->u.ssv_p->stemlen) ); | |
656 | break; | |
657 | ||
658 | ||
659 | case STEMSHORTEN: | |
660 | (void) do_fassign(var, (double) value, | |
661 | (double) MINSTEMSHORTEN, | |
662 | (double) MAXSTEMSHORTEN, | |
663 | C_SSV, "stemshorten", mainll_item_p, | |
664 | &(mainll_item_p->u.ssv_p->stemshorten) ); | |
665 | break; | |
666 | ||
667 | default: | |
668 | pfatal("invalid float parameter"); | |
669 | break; | |
670 | } | |
671 | } | |
672 | ||
673 | \f | |
674 | ||
675 | /* Handle parameters that have two float numbers as their value */ | |
676 | ||
677 | void | |
678 | assign_2floats(var, value1, value2, mainll_item_p) | |
679 | ||
680 | int var; /* which variable to set */ | |
681 | double value1, value2; /* which values to set */ | |
682 | struct MAINLL *mainll_item_p; /* where to store info */ | |
683 | ||
684 | { | |
685 | switch (var) { | |
686 | ||
687 | case BEAMSLOPE: | |
688 | /* First float value is the factor */ | |
689 | if (do_fassign(var, (double) value1, | |
690 | (double) MINBEAMFACT, | |
691 | (double) MAXBEAMFACT, | |
692 | C_SCORE | C_STAFF | C_VOICE, "beamslope factor", | |
693 | mainll_item_p, | |
694 | &(mainll_item_p->u.ssv_p->beamfact) ) == YES) { | |
695 | ||
696 | /* Fool do_fassign into thinking we haven't set the used | |
697 | * flag yet. This is a little kludgy... */ | |
698 | mainll_item_p->u.ssv_p->used[var] = NO; | |
699 | ||
700 | /* Second value is the max angle in degrees */ | |
701 | (void) do_fassign(var, value2, | |
702 | (double) MINBEAMMAX, | |
703 | (double) MAXBEAMMAX, | |
704 | C_SCORE | C_STAFF | C_VOICE, | |
705 | "beamslope maximum slope angle", | |
706 | mainll_item_p, | |
707 | &(mainll_item_p->u.ssv_p->beammax) ); | |
708 | } | |
709 | break; | |
710 | ||
711 | default: | |
712 | pfatal("bad var value for assign_2floats %d", var); | |
713 | /*NOTREACHED*/ | |
714 | break; | |
715 | } | |
716 | } | |
717 | \f | |
718 | ||
719 | /* If user tries to change something that can only be changed before music | |
720 | * data is entered, but music has been entered, print error message. */ | |
721 | ||
722 | static void | |
723 | chg_too_late(var_name) | |
724 | ||
725 | char *var_name; | |
726 | ||
727 | { | |
728 | if (Got_some_data == YES) { | |
729 | l_yyerror(Curr_filename, yylineno, | |
730 | "Can't change %s after music or block data has been entered", | |
731 | var_name); | |
732 | } | |
733 | } | |
734 | \f | |
735 | ||
736 | /* Do error checks for a float variable. If it passes all checks, | |
737 | * set the used flag to YES and return YES. | |
738 | * If something fails check, return NO. | |
739 | * Checks are: value within range, valid context, and MAINLL struct pointer | |
740 | * passed non-NULL. | |
741 | * Also give warning if field already used. | |
742 | */ | |
743 | ||
744 | static int | |
745 | do_fassign(var, value, min, max, cont, name, mainll_item_p, ptr2dest) | |
746 | ||
747 | int var; /* which variable to set */ | |
748 | double value; /* what to set it to */ | |
749 | double min; /* minimum valid value */ | |
750 | double max; /* maximum valid value */ | |
751 | int cont; /* valid context(s) (bitmap) */ | |
752 | char *name; /* for error messages */ | |
753 | struct MAINLL *mainll_item_p; /* which structure to set it in */ | |
754 | float *ptr2dest; /* pointer to the float variable | |
755 | * to be assigned */ | |
756 | ||
757 | { | |
758 | char fullname[50]; /* name + " parameter" */ | |
759 | ||
760 | if (mainll_item_p == (struct MAINLL *) 0) { | |
761 | l_yyerror(Curr_filename, yylineno, "wrong context for setting %s", name); | |
762 | return(NO); | |
763 | } | |
764 | (void) sprintf(fullname, parmformat, name); | |
765 | if ( contextcheck(cont, fullname) == NO) { | |
766 | return(NO); | |
767 | } | |
768 | ||
769 | /* exclaim if already set in this SSV */ | |
770 | used_check(mainll_item_p, var, name); | |
771 | ||
772 | /* do checks */ | |
773 | if (frangecheck(value, min, max, name) == NO) { | |
774 | return(NO); | |
775 | } | |
776 | else { | |
777 | /* passed all the checks-- assign and mark it as used */ | |
778 | mainll_item_p->u.ssv_p->used[var] = YES; | |
779 | *ptr2dest = value; | |
780 | return(YES); | |
781 | } | |
782 | } | |
783 | \f | |
784 | ||
785 | /* assign value to vscheme variable */ | |
786 | ||
787 | void | |
788 | assign_vscheme(numvoices, vtype, mainll_item_p) | |
789 | ||
790 | int numvoices; /* 1, 2, or 3 */ | |
791 | int vtype; /* V_1, V_2FREESTEM, or V_2OPSTEM. For 3 voice | |
792 | * case, this is still one of the V_2* values, | |
793 | * and in that case it specifies whether | |
794 | * the stems are free or opposing, | |
795 | * with the numvoices indicating the 3 */ | |
796 | struct MAINLL *mainll_item_p; /* where to assign it */ | |
797 | ||
798 | { | |
799 | /* check for proper context */ | |
800 | if (contextcheck(C_SCORE | C_STAFF, "vscheme parameter") == NO) { | |
801 | return; | |
802 | } | |
803 | ||
804 | /* exclaim if already set in this SSV */ | |
805 | used_check(mainll_item_p, VSCHEME, "vscheme"); | |
806 | ||
807 | if (rangecheck(numvoices, MINVOICES, MAXVOICES, "vscheme value") == NO) { | |
808 | return; | |
809 | } | |
810 | ||
811 | /* check for valid combination */ | |
812 | if ( (numvoices == 1) && (vtype != V_1) ) { | |
813 | yyerror("can't have 'o' or 'f' qualifier when vscheme=1"); | |
814 | return; | |
815 | } | |
816 | ||
817 | if ( (numvoices == 2 || numvoices == 3) && (vtype == V_1) ) { | |
818 | yyerror("'o' or 'f' qualifier required when vscheme=2 or vscheme=3"); | |
819 | return; | |
820 | } | |
821 | ||
822 | /* The 3 voice things are really just the 2 voice ones, but a third | |
823 | * voice is allowed. They get passed in as V_2*, so fix that */ | |
824 | if (numvoices == 3) { | |
825 | if (vtype == V_2FREESTEM) { | |
826 | vtype = V_3FREESTEM; | |
827 | } | |
828 | else if (vtype == V_2OPSTEM) { | |
829 | vtype = V_3OPSTEM; | |
830 | } | |
831 | } | |
832 | ||
833 | /* set variable to requested value */ | |
834 | mainll_item_p->u.ssv_p->vscheme = (short) vtype; | |
835 | mainll_item_p->u.ssv_p->used[VSCHEME] = YES; | |
836 | ||
837 | asgnssv(mainll_item_p->u.ssv_p); | |
838 | } | |
839 | \f | |
840 | ||
841 | /* assign value to voicecombine parameter */ | |
842 | ||
843 | void | |
844 | assign_vcombine(qualifier, mainll_p) | |
845 | ||
846 | int qualifier; | |
847 | struct MAINLL * mainll_p; | |
848 | ||
849 | { | |
850 | short listed[MAXVOICES + 1]; /* If user mentioned the voice */ | |
851 | struct RANGELIST * curr_p; /* walk through list of voices */ | |
852 | int v; /* voice */ | |
853 | int offset; /* index into vcombine array */ | |
854 | ||
855 | ||
856 | if (contextcheck(C_SCORE | C_STAFF, "voicecombine parameter") == NO) { | |
857 | return; | |
858 | } | |
859 | used_check(mainll_p, VCOMBINE, "voicecombine"); | |
860 | ||
861 | /* Clear list of voices mentioned by user, | |
862 | * and initialize list of voices to combine to none. */ | |
863 | for (v = 1; v <= MAXVOICES; v++) { | |
864 | listed[v] = NO; | |
865 | mainll_p->u.ssv_p->vcombine[v-1] = 0; | |
866 | } | |
867 | ||
868 | /* We start filling in at beginning of vcombine array */ | |
869 | offset = 0; | |
870 | ||
871 | /* Add the specified voices in input order to SSV vcombine array */ | |
872 | for (curr_p = Vnorange_p; curr_p != 0; curr_p = curr_p->next) { | |
873 | /* add voices into voice combine list after error checks */ | |
874 | for (v = curr_p->begin; v <= curr_p->end; v++) { | |
875 | if (listed[v] == YES) { | |
876 | l_yyerror(Curr_filename, yylineno, | |
877 | "voice %d specified more than once", v); | |
878 | } | |
879 | if (offset >= MAXVOICES) { | |
880 | /* The only way this can happen is if user | |
881 | * specified at least one voice more than once, | |
882 | * and we would have already reported that | |
883 | * above, so no need to print another error. | |
884 | * But we must not attempt to write beyond | |
885 | * end of vcombine array, so jump out of loop. | |
886 | */ | |
887 | break; | |
888 | } | |
889 | mainll_p->u.ssv_p->vcombine[offset++] = v; | |
890 | listed[v] = YES; | |
891 | } | |
892 | } | |
893 | ||
894 | free_vnorange(); | |
895 | mainll_p->u.ssv_p->vcombinequal = (short) qualifier; | |
896 | mainll_p->u.ssv_p->used[VCOMBINE] = YES; | |
897 | /* Since voicecombine is relatively rare, we set a flag if it is | |
898 | * ever used. If flag is not set, all the voicecombine placement | |
899 | * code can be skipped entirely. If turning off or only a | |
900 | * single voice is specified, that doesn't really count as being used. | |
901 | */ | |
902 | if (offset > 1) { | |
903 | Vcombused = YES; | |
904 | } | |
905 | } | |
906 | \f | |
907 | ||
908 | /* assign key signature */ | |
909 | ||
910 | void | |
911 | assign_key(num, acc, is_minor, mainll_item_p) | |
912 | ||
913 | int num; /* number of sharps or flats */ | |
914 | int acc; /* # or & for sharp or flat */ | |
915 | int is_minor; /* YES or NO */ | |
916 | struct MAINLL *mainll_item_p; /* where to assign */ | |
917 | ||
918 | { | |
919 | if (contextcheck( C_SCORE | C_STAFF, "key parameter") == NO) { | |
920 | return; | |
921 | } | |
922 | ||
923 | /* exclaim if already set in this SSV */ | |
924 | used_check(mainll_item_p, SHARPS, "key"); | |
925 | ||
926 | /* error check. Must be no more than 7 flats or sharps, and can only | |
927 | * be set in score or staff contexts */ | |
928 | if (rangecheck(num, 0, MAXSHARPS, | |
929 | "number of flats or sharps in key signature") == NO) { | |
930 | return; | |
931 | } | |
932 | ||
933 | /* looks okay, so make assignment */ | |
934 | /* NOTE: num of flats == negative number of sharps */ | |
935 | mainll_item_p->u.ssv_p->sharps = num * (acc == '#' ? 1 : -1); | |
936 | mainll_item_p->u.ssv_p->used[SHARPS] = YES; | |
937 | mainll_item_p->u.ssv_p->is_minor = (short) is_minor; | |
938 | ||
939 | asgnssv(mainll_item_p->u.ssv_p); | |
940 | } | |
941 | \f | |
942 | ||
943 | /* Assign a string to an SSV variable. It just assigns the pointer for labels, | |
944 | * so temporary strings should be copied before being passed. | |
945 | * For NOTEHEADS, it parses the string and saves the numeric internal numbers. | |
946 | */ | |
947 | ||
948 | void | |
949 | assign_string(var, string, mainll_item_p) | |
950 | ||
951 | int var; /* LABEL, LABEL2, or NOTEHEADS */ | |
952 | char *string; /* the string to assign */ | |
953 | struct MAINLL *mainll_item_p; /* where to assign it */ | |
954 | ||
955 | { | |
956 | int n; /* note shape index */ | |
957 | char namebuff[100]; /* For note shape names. Builtin names are | |
958 | * fairly short, but user could define longer | |
959 | * ones. We figure 100 should be plenty, | |
960 | * and ufatal if they try to go longer. */ | |
961 | int nameleng; /* strlen of a name shape name */ | |
962 | int context; /* which context to check */ | |
963 | char *error_msg; /* what to print in error message */ | |
964 | ||
965 | if (var == NOTEHEADS) { | |
966 | context = C_SSV; | |
967 | error_msg = "noteheads parameter"; | |
968 | } | |
969 | else { | |
970 | context = C_SCORE | C_STAFF; | |
971 | error_msg = (var == LABEL ? "label parameter" | |
972 | : "label2 parameter"); | |
973 | } | |
974 | ||
975 | if (contextcheck(context, error_msg) == YES) { | |
976 | ||
977 | /* get string into proper internal format */ | |
978 | (void) fix_string(string, string[0], string[1], | |
979 | Curr_filename, yylineno); | |
980 | ||
981 | switch (var) { | |
982 | ||
983 | case LABEL: | |
984 | used_check(mainll_item_p, var, "label"); | |
985 | mainll_item_p->u.ssv_p->label = string; | |
986 | break; | |
987 | ||
988 | case LABEL2: | |
989 | used_check(mainll_item_p, var, "label2"); | |
990 | mainll_item_p->u.ssv_p->label2 = string; | |
991 | break; | |
992 | ||
993 | case NOTEHEADS: | |
994 | if (is_tab_staff(mainll_item_p->u.ssv_p->staffno) == YES | |
995 | && strcmp(string+2, "allx") != 0 | |
996 | && strcmp(string+2, "norm") != 0) { | |
997 | warning("noteheads parameter ignored on tablature staffs (unless allx or norm)"); | |
998 | } | |
999 | ||
1000 | /* skip past font/size */ | |
1001 | string += 2; | |
1002 | /* split into tokens */ | |
1003 | for (n = 0; n < 7; n++) { | |
1004 | /* skip past white space */ | |
1005 | while ( isspace(*string) ) { | |
1006 | string++; | |
1007 | } | |
1008 | ||
1009 | if ( *string == '\0') { | |
1010 | break; | |
1011 | } | |
1012 | ||
1013 | nameleng = strcspn(string, " \t\r\n"); | |
1014 | if (nameleng > sizeof(namebuff) - 1) { | |
1015 | ufatal("note head name too long"); | |
1016 | } | |
1017 | strncpy(namebuff, string, nameleng); | |
1018 | namebuff[nameleng] = '\0'; | |
1019 | if ((mainll_item_p->u.ssv_p->noteheads[n] = | |
1020 | get_shape_num(namebuff)) | |
1021 | == HS_UNKNOWN) { | |
1022 | l_yyerror(Curr_filename, yylineno, | |
1023 | "'%s' is not a valid headshape name", | |
1024 | namebuff); | |
1025 | } | |
1026 | string += nameleng; | |
1027 | } | |
1028 | if (n == 1) { | |
1029 | /* copy same shape for all 7 */ | |
1030 | for ( ; n < 7; n++) { | |
1031 | mainll_item_p->u.ssv_p->noteheads[n] = | |
1032 | mainll_item_p->u.ssv_p->noteheads[0]; | |
1033 | } | |
1034 | } | |
1035 | ||
1036 | /* Skip past trailing white space, and make sure we got | |
1037 | * right number of tokens. */ | |
1038 | while ( isspace(*string) ) { | |
1039 | string++; | |
1040 | } | |
1041 | if (n != 7 || *string != '\0') { | |
1042 | yyerror("wrong number of notehead names: expecting either 1 or 7"); | |
1043 | } | |
1044 | break; | |
1045 | default: | |
1046 | pfatal("invalid string variable type"); | |
1047 | /*NOTREACHED*/ | |
1048 | break; | |
1049 | } | |
1050 | ||
1051 | mainll_item_p->u.ssv_p->used[var] = YES; | |
1052 | } | |
1053 | } | |
1054 | \f | |
1055 | ||
1056 | /* make a copy of a string and return pointer to it, | |
1057 | * or return NULL if string was NULL. The incoming string is a regular C-style | |
1058 | * string. The returned string is 2 bytes longer, with the font in the first | |
1059 | * byte, size in the second byte, and the copy of the original string in the | |
1060 | * remainder. */ | |
1061 | ||
1062 | char * | |
1063 | copy_string(string, font, size) | |
1064 | ||
1065 | char *string; /* make a copy of this string */ | |
1066 | int font; /* use this font */ | |
1067 | int size; /* use this point size */ | |
1068 | ||
1069 | { | |
1070 | char *copy; /* pointer to new copy of string */ | |
1071 | ||
1072 | ||
1073 | if (string == (char *) 0) { | |
1074 | return (string); | |
1075 | } | |
1076 | ||
1077 | /* need 2 extra bytes at beginning for font and size, | |
1078 | * and 1 at end for '\0' */ | |
1079 | MALLOCA(char, copy, strlen(string) + 3); | |
1080 | ||
1081 | /* fill in font and size in first 2 bytes */ | |
1082 | *copy = (char) font; | |
1083 | *(copy + 1) = (char) size; | |
1084 | ||
1085 | /* copy the string and return pointer to copy */ | |
1086 | (void) strcpy(copy + 2, string); | |
1087 | return(copy); | |
1088 | } | |
1089 | \f | |
1090 | ||
1091 | /* Assign time signature in SSV. | |
1092 | * Derives the effective numerator/denominator and the RATIONAL time value | |
1093 | * from the timerep, and fills them in the SSV. If there are alternating | |
1094 | * time signatures, that will be for the first of them, and a pointer | |
1095 | * to the remaining signature(s) will be returned via next_alternation_p. | |
1096 | * If there are additive time signatures, the effective num/den will | |
1097 | * be based on the largest denominator. | |
1098 | */ | |
1099 | ||
1100 | void | |
1101 | assign_timesig(mainll_item_p, visibility, next_alternation_p) | |
1102 | ||
1103 | struct MAINLL *mainll_item_p; /* SSV to assign time signature in */ | |
1104 | int visibility; /* YES, NO, or EACHMEAS */ | |
1105 | char **next_alternation_p; /* If this time signature includes alternating | |
1106 | * time signatures, as in 3/4 4/4, | |
1107 | * this will be filled in with a pointer to | |
1108 | * where the next alternate time signature | |
1109 | * begins in the timerep. If there are no | |
1110 | * alternating time signatures, it will be | |
1111 | * filled by a null pointer. */ | |
1112 | ||
1113 | { | |
1114 | struct SSV *ssv_p; /* mainll_item_p->u.ssv_p */ | |
1115 | RATIONAL curr_value; /* There may be compound time | |
1116 | * signatures, and each of those | |
1117 | * may have multiple numerator | |
1118 | * components, so this is used for | |
1119 | * getting value of one fraction */ | |
1120 | int biggest_denominator; /* for calculating effective | |
1121 | * numerator and denominator */ | |
1122 | char *t; /* to walk through timerep */ | |
1123 | ||
1124 | ||
1125 | if (contextcheck(C_SCORE, "time parameter") == NO) { | |
1126 | return; | |
1127 | } | |
1128 | ||
1129 | /* exclaim if already set in this SSV */ | |
1130 | used_check(mainll_item_p, TIME, "time signature"); | |
1131 | ||
1132 | ssv_p = mainll_item_p->u.ssv_p; | |
1133 | ||
1134 | ssv_p->timevis = visibility; | |
1135 | ||
1136 | curr_value = Zero; | |
1137 | ssv_p->time = Zero; | |
1138 | biggest_denominator = 0; | |
1139 | *next_alternation_p = 0; | |
1140 | ||
1141 | for (t = ssv_p->timerep; *t != TSR_END; t++) { | |
1142 | if (*t == TSR_CUT) { | |
1143 | curr_value.n = 2; | |
1144 | curr_value.d = 2; | |
1145 | } | |
1146 | else if (*t == TSR_COMMON) { | |
1147 | curr_value.n = 4; | |
1148 | curr_value.d = 4; | |
1149 | } | |
1150 | else if (*t == TSR_SLASH) { | |
1151 | curr_value.d = *++t; | |
1152 | } | |
1153 | else if (*t == TSR_ALTERNATING) { | |
1154 | *next_alternation_p = ++t; | |
1155 | break; | |
1156 | } | |
1157 | else if (*t == TSR_ADD) { | |
1158 | continue; | |
1159 | } | |
1160 | else { | |
1161 | curr_value.n += *t; | |
1162 | continue; | |
1163 | } | |
1164 | biggest_denominator = MAX(biggest_denominator, curr_value.d); | |
1165 | rred(&curr_value); | |
1166 | ssv_p->time = radd(ssv_p->time, curr_value); | |
1167 | curr_value = Zero; | |
1168 | } | |
1169 | ||
1170 | /* If there were mixed denominators, use the biggest for the | |
1171 | * purpose of effective numerator and denominator */ | |
1172 | if (biggest_denominator > ssv_p->time.d) { | |
1173 | ssv_p->timenum = ssv_p->time.n * (biggest_denominator / ssv_p->time.d); | |
1174 | } | |
1175 | else { | |
1176 | ssv_p->timenum = ssv_p->time.n; | |
1177 | } | |
1178 | ssv_p->timeden = biggest_denominator; | |
1179 | ||
1180 | /* mark time as used */ | |
1181 | mainll_item_p->u.ssv_p->used[TIME] = YES; | |
1182 | ||
1183 | /* We have to set this for real immediately, since beamstyle and | |
1184 | * other things may need to have it set */ | |
1185 | asgnssv(mainll_item_p->u.ssv_p); | |
1186 | ||
1187 | if (mainll_item_p->u.ssv_p->used[BEAMSTLIST] == YES) { | |
1188 | l_warning(Curr_filename, yylineno, | |
1189 | "changing time signature clears beamstyle"); | |
1190 | /* have to actually clear it here, because otherwise it | |
1191 | * would still get assigned in ssv.c because beamstyle is | |
1192 | * done after the code for time signature */ | |
1193 | mainll_item_p->u.ssv_p->used[BEAMSTLIST] = NO; | |
1194 | mainll_item_p->u.ssv_p->nbeam = 0; | |
1195 | if (mainll_item_p->u.ssv_p->beamstlist != (RATIONAL *) 0) { | |
1196 | FREE(mainll_item_p->u.ssv_p->beamstlist); | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | \f | |
1201 | ||
1202 | /* assign a font variable (FONT, LYRICSFONT, FONTFAMILY, LYRICSFAMILY) */ | |
1203 | ||
1204 | void | |
1205 | set_font(var, value, mainll_item_p) | |
1206 | ||
1207 | int var; /* which variable to set */ | |
1208 | int value; /* which font to set it too */ | |
1209 | struct MAINLL *mainll_item_p; /* where to assign it in main list */ | |
1210 | ||
1211 | { | |
1212 | char *varname; /* name of variable, for error messages */ | |
1213 | char fullname[50]; /* varname + " parameter" */ | |
1214 | ||
1215 | ||
1216 | /* determine the name of the variable, for error messages */ | |
1217 | switch(var) { | |
1218 | case FONT: | |
1219 | varname = "font"; | |
1220 | break; | |
1221 | case LYRICSFONT: | |
1222 | varname = "lyricsfont"; | |
1223 | break; | |
1224 | case MEASNUMFONT: | |
1225 | varname = "measnumfont"; | |
1226 | break; | |
1227 | case FONTFAMILY: | |
1228 | varname = "fontfamily"; | |
1229 | break; | |
1230 | case LYRICSFAMILY: | |
1231 | varname = "lyricsfontfamily"; | |
1232 | break; | |
1233 | case MEASNUMFAMILY: | |
1234 | varname = "measnumfontfamily"; | |
1235 | break; | |
1236 | default: | |
1237 | pfatal("bad font variable"); | |
1238 | /*NOTREACHED*/ | |
1239 | return; | |
1240 | } | |
1241 | (void) sprintf(fullname, parmformat, varname); | |
1242 | ||
1243 | /* if being called from SSV, exclaim if already set */ | |
1244 | if ((Context & C_SSV) != 0) { | |
1245 | used_check(mainll_item_p, var, varname); | |
1246 | } | |
1247 | ||
1248 | switch (var) { | |
1249 | ||
1250 | case FONT: | |
1251 | Curr_font = value; | |
1252 | ||
1253 | if (Context & C_BLOCKHEAD) { | |
1254 | /* Special case. In block, we just | |
1255 | * keep track of the current font */ | |
1256 | return; | |
1257 | } | |
1258 | else if (contextcheck(C_SCORE | C_STAFF, fullname) == YES) { | |
1259 | mainll_item_p->u.ssv_p->font = (short) value; | |
1260 | } | |
1261 | else { | |
1262 | return; | |
1263 | } | |
1264 | ||
1265 | break; | |
1266 | ||
1267 | case FONTFAMILY: | |
1268 | Curr_family = value; | |
1269 | ||
1270 | if (Context & C_BLOCKHEAD) { | |
1271 | /* Special case. In block, we just | |
1272 | * keep track of the current font */ | |
1273 | return; | |
1274 | } | |
1275 | else if (contextcheck(C_SCORE | C_STAFF, fullname) == YES) { | |
1276 | mainll_item_p->u.ssv_p->fontfamily = (short) value; | |
1277 | } | |
1278 | else { | |
1279 | return; | |
1280 | } | |
1281 | ||
1282 | break; | |
1283 | ||
1284 | case LYRICSFONT: | |
1285 | if (contextcheck(C_SCORE | C_STAFF, fullname) == YES) { | |
1286 | mainll_item_p->u.ssv_p->lyricsfont = (short) value; | |
1287 | ||
1288 | /* assign immediately in case there is a following | |
1289 | * font family change that needs to read it */ | |
1290 | mainll_item_p->u.ssv_p->used[var] = YES; | |
1291 | asgnssv(mainll_item_p->u.ssv_p); | |
1292 | setlyrfont(mainll_item_p->u.ssv_p->staffno, value); | |
1293 | return; | |
1294 | } | |
1295 | else { | |
1296 | return; | |
1297 | } | |
1298 | ||
1299 | /*NOTREACHED*/ | |
1300 | break; | |
1301 | ||
1302 | case LYRICSFAMILY: | |
1303 | if (contextcheck(C_SCORE | C_STAFF, fullname) == YES) { | |
1304 | mainll_item_p->u.ssv_p->lyricsfamily = (short) value; | |
1305 | /* assign immediately, so we can reset all | |
1306 | * lyrics info for this staff */ | |
1307 | mainll_item_p->u.ssv_p->used[var] = YES; | |
1308 | asgnssv(mainll_item_p->u.ssv_p); | |
1309 | ||
1310 | setlyrfont(mainll_item_p->u.ssv_p->staffno, | |
1311 | svpath(mainll_item_p->u.ssv_p->staffno, | |
1312 | LYRICSFONT)->lyricsfont); | |
1313 | return; | |
1314 | } | |
1315 | else { | |
1316 | return; | |
1317 | } | |
1318 | ||
1319 | /*NOTREACHED*/ | |
1320 | break; | |
1321 | ||
1322 | case MEASNUMFONT: | |
1323 | if (contextcheck(C_SCORE, fullname) == YES) { | |
1324 | mainll_item_p->u.ssv_p->measnumfont = (short) value; | |
1325 | } | |
1326 | else { | |
1327 | return; | |
1328 | } | |
1329 | break; | |
1330 | ||
1331 | case MEASNUMFAMILY: | |
1332 | if (contextcheck(C_SCORE, fullname) == YES) { | |
1333 | mainll_item_p->u.ssv_p->measnumfamily = (short) value; | |
1334 | } | |
1335 | else { | |
1336 | return; | |
1337 | } | |
1338 | break; | |
1339 | ||
1340 | default: | |
1341 | pfatal("unknown font variable"); | |
1342 | break; | |
1343 | } | |
1344 | ||
1345 | mainll_item_p->u.ssv_p->used[var] = YES; | |
1346 | } | |
1347 | \f | |
1348 | ||
1349 | /* set number of stafflines and whether or not to print clef. Number of | |
1350 | * lines must be 1 or 5, unless it's a tablature staff, | |
1351 | * in which case it can be anything from MINTABLINES to MAXTABLINES. | |
1352 | * In any case, it must be set before any music data. */ | |
1353 | ||
1354 | void | |
1355 | asgn_stafflines(numlines, printclef, mainll_item_p) | |
1356 | ||
1357 | int numlines; /* 1 or 5 for normal, or MINTABLINES to MAXTABLINES for tablature */ | |
1358 | int printclef; /* SS_* */ | |
1359 | struct MAINLL *mainll_item_p; /* where to set value */ | |
1360 | ||
1361 | { | |
1362 | int is_tab; /* YES if is tablature staff */ | |
1363 | int staff_index; | |
1364 | ||
1365 | ||
1366 | if (mainll_item_p == (struct MAINLL *) 0) { | |
1367 | /* must be in here due to some user syntax error */ | |
1368 | return; | |
1369 | } | |
1370 | ||
1371 | is_tab = is_tablature_staff(mainll_item_p->u.ssv_p); | |
1372 | if (is_tab == YES) { | |
1373 | if (contextcheck(C_STAFF, "stafflines=tab") == NO) { | |
1374 | return; | |
1375 | } | |
1376 | } | |
1377 | else { | |
1378 | if (contextcheck(C_SCORE | C_STAFF, "stafflines parameter") == NO) { | |
1379 | return; | |
1380 | } | |
1381 | } | |
1382 | ||
1383 | /* exclaim if already set in this SSV */ | |
1384 | used_check(mainll_item_p, STAFFLINES, "stafflines"); | |
1385 | ||
1386 | if (is_tab == YES) { | |
1387 | /* is a tablature staff */ | |
1388 | (void) rangecheck(numlines, MINTABLINES, MAXTABLINES, | |
1389 | "number of tab strings specified"); | |
1390 | } | |
1391 | else { | |
1392 | /* not a tablature staff */ | |
1393 | if (numlines != 5 && numlines != 1) { | |
1394 | yyerror("stafflines must be 1 or 5"); | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | ||
1399 | mainll_item_p->u.ssv_p->stafflines = (short) numlines; | |
1400 | ||
1401 | /* single line never has clef except the drum clef, | |
1402 | * so if user didn't explictly set 'n' we do it for them */ | |
1403 | if (numlines == 1 && printclef == SS_NORMAL) { | |
1404 | printclef = NO; | |
1405 | } | |
1406 | mainll_item_p->u.ssv_p->printclef = (short) printclef; | |
1407 | mainll_item_p->u.ssv_p->used[STAFFLINES] = YES; | |
1408 | ||
1409 | /* index into Staff array is staffno - 1 */ | |
1410 | staff_index = mainll_item_p->u.ssv_p->staffno - 1; | |
1411 | ||
1412 | /* need to do extra consistency check for tablature staffs */ | |
1413 | if (is_tab == YES) { | |
1414 | ||
1415 | if (staff_index == 0) { | |
1416 | yyerror("staff 1 can't be a tablature staff"); | |
1417 | } | |
1418 | else { | |
1419 | if (is_tablature_staff( &(Staff[staff_index - 1]) ) == YES | |
1420 | || (staff_index < MAXSTAFFS - 1 && | |
1421 | is_tablature_staff( &(Staff[staff_index + 1]) ) | |
1422 | == YES) ) { | |
1423 | yyerror("can't have two consecutive tablature staffs"); | |
1424 | } | |
1425 | if (svpath(mainll_item_p->u.ssv_p->staffno - 1, | |
1426 | STAFFLINES)->stafflines != 5) { | |
1427 | yyerror("staff before a tablature staff must be a 5-line staff"); | |
1428 | } | |
1429 | } | |
1430 | } | |
1431 | else { | |
1432 | /* if trying to establish a non-5-line non-tablature staff, | |
1433 | * and it's not the bottom staff, and the staff below is a | |
1434 | * tablature staff, that's a no-no */ | |
1435 | if (numlines != 5 && staff_index < MAXSTAFFS - 1 && | |
1436 | is_tablature_staff( &(Staff[staff_index + 1]) ) | |
1437 | == YES) { | |
1438 | yyerror("staff before a tablature staff must be a 5-line staff"); | |
1439 | } | |
1440 | } | |
1441 | ||
1442 | /* assign, so we can do error checking on tablature staffs | |
1443 | * for future SSVs that we process */ | |
1444 | asgnssv(mainll_item_p->u.ssv_p); | |
1445 | } | |
1446 | \f | |
1447 | ||
1448 | /* When the input contains a rangelist, we need to allocate some space for | |
1449 | * the information. Allocate an array of length CHUNK. Set the Ss_count to start | |
1450 | * filling in element 0, and mark the Ss_length as CHUNK. As we add elements, | |
1451 | * Ss_count will be incremented, and the array size enlarged if it overflows. | |
1452 | */ | |
1453 | ||
1454 | void | |
1455 | new_staffset() | |
1456 | ||
1457 | { | |
1458 | CALLOC(STAFFSET, Curr_staffset_p, CHUNK); | |
1459 | ||
1460 | Ss_count = 0; | |
1461 | Ss_length = CHUNK; | |
1462 | } | |
1463 | \f | |
1464 | ||
1465 | /* add information about one staffset, at the current offset in the list, | |
1466 | * re-allocating additional space if necessary */ | |
1467 | ||
1468 | void | |
1469 | add_staffset(start, end, label1, label2) | |
1470 | ||
1471 | int start, end; /* of the range */ | |
1472 | char *label1, *label2; /* malloc-ed copies of labels for the range, or NULL */ | |
1473 | ||
1474 | { | |
1475 | /* Murphey's Law insurance */ | |
1476 | if (Curr_staffset_p == (struct STAFFSET *) 0) { | |
1477 | pfatal("NULL staffset"); | |
1478 | } | |
1479 | ||
1480 | /* swap if backwards */ | |
1481 | if ( start > end) { | |
1482 | int tmp; | |
1483 | ||
1484 | tmp = start; | |
1485 | start = end; | |
1486 | end = tmp; | |
1487 | } | |
1488 | ||
1489 | /* if we guessed too small, need to make a bigger array */ | |
1490 | if (Ss_count >= Ss_length) { | |
1491 | Ss_length += CHUNK; | |
1492 | REALLOC(STAFFSET, Curr_staffset_p, Ss_length); | |
1493 | } | |
1494 | ||
1495 | /* fill in values */ | |
1496 | Curr_staffset_p[Ss_count].topstaff = (short) start; | |
1497 | Curr_staffset_p[Ss_count].botstaff = (short) end; | |
1498 | if (label1 != (char *) 0) { | |
1499 | (void) fix_string(label1, label1[0], label1[1], | |
1500 | Curr_filename, yylineno); | |
1501 | } | |
1502 | Curr_staffset_p[Ss_count].label = label1; | |
1503 | if (label2 != (char *) 0) { | |
1504 | (void) fix_string(label2, label2[0], label2[1], | |
1505 | Curr_filename, yylineno); | |
1506 | } | |
1507 | Curr_staffset_p[Ss_count].label2 = label2; | |
1508 | ||
1509 | /* one more item in list */ | |
1510 | Ss_count++; | |
1511 | } | |
1512 | \f | |
1513 | ||
1514 | /* When we have collected an entire list of ranges, assign the | |
1515 | * list to the appropriate place in the SSV struct. | |
1516 | * (Using "set" instead of "assign" for function name because some | |
1517 | * people's compilers are too stupid to tell the difference in names | |
1518 | * after 8 characters, which would clash with another function name) */ | |
1519 | ||
1520 | void | |
1521 | set_staffset(var, mainll_item_p) | |
1522 | ||
1523 | int var; /* which rangelist to set */ | |
1524 | struct MAINLL *mainll_item_p; /* which struct to assign it in */ | |
1525 | ||
1526 | { | |
1527 | register int i; /* index through ranges */ | |
1528 | short okay = NO; /* if passed all overlap checks */ | |
1529 | ||
1530 | ||
1531 | /* can only do this in score context */ | |
1532 | if (contextcheck(C_SCORE, "list of staff ranges") == NO) { | |
1533 | return; | |
1534 | } | |
1535 | ||
1536 | /* first we need to make sure no ranges are out of range */ | |
1537 | /* go through the list of ranges */ | |
1538 | for (i = 0; i < Ss_count; i++) { | |
1539 | ||
1540 | /* range check. Make sure it is within number of staffs that | |
1541 | * user specified. Since when we assign the user-specified | |
1542 | * number, we make sure that is within MAXSTAFFS, it will | |
1543 | * be within the absolute maximum as well. | |
1544 | */ | |
1545 | if (rangecheck(Curr_staffset_p[i].botstaff, 1, Score.staffs, | |
1546 | "brace/bracket staff number") == NO) { | |
1547 | return; | |
1548 | } | |
1549 | } | |
1550 | ||
1551 | /* if explicitly empty, can free space */ | |
1552 | if (Ss_count == 0) { | |
1553 | FREE(Curr_staffset_p); | |
1554 | } | |
1555 | else { | |
1556 | /* we probably have too much space allocated, shed the rest */ | |
1557 | REALLOC(STAFFSET, Curr_staffset_p, Ss_count); | |
1558 | ||
1559 | /* sort lowest to highest */ | |
1560 | qsort( (char *) Curr_staffset_p, (unsigned int) Ss_count, | |
1561 | sizeof(struct STAFFSET), comp_staffset); | |
1562 | } | |
1563 | ||
1564 | if (mainll_item_p == (struct MAINLL *) 0) { | |
1565 | pfatal("NULL SSV for staffset"); | |
1566 | } | |
1567 | ||
1568 | /* now assign to appropriate variable */ | |
1569 | switch (var) { | |
1570 | ||
1571 | case BRACELIST: | |
1572 | mainll_item_p->u.ssv_p->bracelist = (Ss_count == 0 ? | |
1573 | (struct STAFFSET *) 0 : Curr_staffset_p); | |
1574 | mainll_item_p->u.ssv_p->nbrace = (short) Ss_count; | |
1575 | okay = brac_check(Curr_staffset_p, Ss_count, | |
1576 | Score.bracklist, Score.nbrack); | |
1577 | used_check(mainll_item_p, var, "brace"); | |
1578 | break; | |
1579 | ||
1580 | case BRACKLIST: | |
1581 | mainll_item_p->u.ssv_p->bracklist = (Ss_count == 0 ? | |
1582 | (struct STAFFSET *) 0 : Curr_staffset_p); | |
1583 | mainll_item_p->u.ssv_p->nbrack = (short) Ss_count; | |
1584 | okay = brac_check(Score.bracelist, Score.nbrace, | |
1585 | Curr_staffset_p, Ss_count); | |
1586 | used_check(mainll_item_p, var, "bracket"); | |
1587 | break; | |
1588 | ||
1589 | default: | |
1590 | pfatal("unknown staffset type"); | |
1591 | break; | |
1592 | } | |
1593 | ||
1594 | if (okay == YES) { | |
1595 | mainll_item_p->u.ssv_p->used[var] = YES; | |
1596 | ||
1597 | /* assign now, so we can check for overlap */ | |
1598 | asgnssv(mainll_item_p->u.ssv_p); | |
1599 | } | |
1600 | ||
1601 | /* the list has been attached to its permanent place, so | |
1602 | * reset the temporary pointer to an empty list */ | |
1603 | Curr_staffset_p = (struct STAFFSET *) 0; | |
1604 | Ss_count = 0; | |
1605 | } | |
1606 | \f | |
1607 | ||
1608 | /* compare 2 STAFFSETs for sorting using qsort */ | |
1609 | ||
1610 | static int | |
1611 | comp_staffset(item1_p, item2_p) | |
1612 | ||
1613 | #ifdef __STDC__ | |
1614 | const void *item1_p; /* the two items to compare */ | |
1615 | const void *item2_p; | |
1616 | #else | |
1617 | char *item1_p; /* the two items to compare */ | |
1618 | char *item2_p; | |
1619 | #endif | |
1620 | ||
1621 | { | |
1622 | int top1, top2; | |
1623 | int bot1, bot2; | |
1624 | ||
1625 | top1 = ((struct STAFFSET *)item1_p)->topstaff; | |
1626 | top2 = ((struct STAFFSET *)item2_p)->topstaff; | |
1627 | bot1 = ((struct STAFFSET *)item1_p)->botstaff; | |
1628 | bot2 = ((struct STAFFSET *)item2_p)->botstaff; | |
1629 | ||
1630 | if (top1 < top2) { | |
1631 | return(-1); | |
1632 | } | |
1633 | ||
1634 | else if (top1 > top2) { | |
1635 | return(1); | |
1636 | } | |
1637 | ||
1638 | else if (bot1 < bot2) { | |
1639 | return(-1); | |
1640 | } | |
1641 | ||
1642 | else if (bot1 > bot2) { | |
1643 | return(1); | |
1644 | } | |
1645 | ||
1646 | else { | |
1647 | return(0); | |
1648 | } | |
1649 | } | |
1650 | \f | |
1651 | ||
1652 | /* allocate an array of TOP_BOT structs for building up a list of bar style | |
1653 | * information (which staffs to bar together) */ | |
1654 | ||
1655 | void | |
1656 | new_barstlist() | |
1657 | ||
1658 | { | |
1659 | CALLOC(TOP_BOT, Curr_barstlist_p, CHUNK); | |
1660 | ||
1661 | /* initialize used and allocated lengths */ | |
1662 | Barst_count = 0; | |
1663 | Barst_length = CHUNK; | |
1664 | } | |
1665 | \f | |
1666 | ||
1667 | /* add a pair of staff numbers to bar style list */ | |
1668 | ||
1669 | void | |
1670 | add_barst(start, end) | |
1671 | ||
1672 | int start; /* first staff to bar together */ | |
1673 | int end; /* last staff to bar together */ | |
1674 | ||
1675 | { | |
1676 | if (Curr_barstlist_p == (struct TOP_BOT *) 0) { | |
1677 | pfatal("NULL barstlist"); | |
1678 | } | |
1679 | ||
1680 | /* swap if backwards */ | |
1681 | if ( start > end) { | |
1682 | int tmp; | |
1683 | ||
1684 | tmp = start; | |
1685 | start = end; | |
1686 | end = tmp; | |
1687 | } | |
1688 | ||
1689 | /* if we guessed too small, make a bigger array */ | |
1690 | if (Barst_count >= Barst_length) { | |
1691 | ||
1692 | Barst_length += CHUNK; | |
1693 | ||
1694 | REALLOC(TOP_BOT, Curr_barstlist_p, Barst_length); | |
1695 | } | |
1696 | ||
1697 | Curr_barstlist_p[Barst_count].top = (short) start; | |
1698 | Curr_barstlist_p[Barst_count].bottom = (short) end; | |
1699 | ||
1700 | /* one more item on list */ | |
1701 | Barst_count++; | |
1702 | } | |
1703 | \f | |
1704 | ||
1705 | /* When we have collected an entire list of ranges, assign the | |
1706 | * list to the appropriate place in the SSV struct */ | |
1707 | ||
1708 | void | |
1709 | set_barstlist(mainll_item_p) | |
1710 | ||
1711 | struct MAINLL *mainll_item_p; /* which struct to assign it in */ | |
1712 | ||
1713 | { | |
1714 | register int i, s; /* index for ranges and staffs */ | |
1715 | short mentioned[MAXSTAFFS + 1]; /* mark whether each staff occurs in | |
1716 | * this list somewhere. Element 0 is | |
1717 | * unused */ | |
1718 | ||
1719 | ||
1720 | if (contextcheck(C_SCORE, "barstyle parameter") == NO) { | |
1721 | return; | |
1722 | } | |
1723 | ||
1724 | /* exclaim if alrady set in this SSV */ | |
1725 | used_check(mainll_item_p, BARSTLIST, "barstyle"); | |
1726 | ||
1727 | /* first we need to make sure no ranges overlap or are out of range */ | |
1728 | ||
1729 | /* initialize that we haven't seen anything yet */ | |
1730 | for (s = 1; s < MAXSTAFFS + 1; s++) { | |
1731 | mentioned[s] = NO; | |
1732 | } | |
1733 | ||
1734 | /* go through the list of ranges */ | |
1735 | for (i = 0; i < Barst_count; i++) { | |
1736 | ||
1737 | /* range check. */ | |
1738 | if (rangecheck(Curr_barstlist_p[i].bottom, 1, Score.staffs, | |
1739 | "barstyle staff number") == NO) { | |
1740 | continue; | |
1741 | } | |
1742 | ||
1743 | /* fill in each in the range as having been mentioned. | |
1744 | * If already mentioned, we have a problem */ | |
1745 | for (s = Curr_barstlist_p[i].top; | |
1746 | s <= Curr_barstlist_p[i].bottom; s++) { | |
1747 | ||
1748 | if (mentioned[s] == YES) { | |
1749 | yyerror("overlapping range in bar list"); | |
1750 | } | |
1751 | ||
1752 | else { | |
1753 | mentioned[s] = YES; | |
1754 | } | |
1755 | } | |
1756 | } | |
1757 | ||
1758 | /* if explicitly empty, free space */ | |
1759 | if (Barst_count == 0) { | |
1760 | FREE(Curr_barstlist_p); | |
1761 | } | |
1762 | ||
1763 | else { | |
1764 | /* we probably have too much space allocated, shed the rest */ | |
1765 | REALLOC(TOP_BOT, Curr_barstlist_p, Barst_count); | |
1766 | ||
1767 | /* sort lowest to highest */ | |
1768 | qsort ( (char *) Curr_barstlist_p, (unsigned int) Barst_count, | |
1769 | sizeof(struct TOP_BOT), comp_barst); | |
1770 | } | |
1771 | ||
1772 | if (mainll_item_p == (struct MAINLL *) 0) { | |
1773 | pfatal("NULL SSV for barstlist"); | |
1774 | } | |
1775 | ||
1776 | /* fill in data */ | |
1777 | mainll_item_p->u.ssv_p->nbarst = (short) Barst_count; | |
1778 | if (Barst_count > 0) { | |
1779 | mainll_item_p->u.ssv_p->barstlist = Curr_barstlist_p; | |
1780 | } | |
1781 | ||
1782 | mainll_item_p->u.ssv_p->used[BARSTLIST] = YES; | |
1783 | ||
1784 | /* now that list has been assigned to its proper place, | |
1785 | * re-initialize pointer to null to prepare for another list */ | |
1786 | Curr_barstlist_p = (struct TOP_BOT *) 0; | |
1787 | Barst_count = 0; | |
1788 | } | |
1789 | \f | |
1790 | ||
1791 | /* compare 2 barslist items for sorting using qsort */ | |
1792 | ||
1793 | static int | |
1794 | comp_barst(item1_p, item2_p) | |
1795 | ||
1796 | #ifdef __STDC__ | |
1797 | const void *item1_p; /* the two items to compare */ | |
1798 | const void *item2_p; | |
1799 | #else | |
1800 | char *item1_p; /* the two items to compare */ | |
1801 | char *item2_p; | |
1802 | #endif | |
1803 | ||
1804 | { | |
1805 | if ( ((struct TOP_BOT *)item1_p)->top | |
1806 | < ((struct TOP_BOT *)item2_p)->top) { | |
1807 | return(-1); | |
1808 | } | |
1809 | ||
1810 | else if ( ((struct TOP_BOT *)item1_p)->top | |
1811 | > ((struct TOP_BOT *)item2_p)->top) { | |
1812 | return(1); | |
1813 | } | |
1814 | ||
1815 | else { | |
1816 | /* actually this should never occur */ | |
1817 | return(0); | |
1818 | } | |
1819 | } | |
1820 | \f | |
1821 | ||
1822 | /* Initialize and allocate space for beamstyle information */ | |
1823 | ||
1824 | void | |
1825 | new_beamlist() | |
1826 | ||
1827 | { | |
1828 | init_beamlist(&Curr_beamstyle); | |
1829 | init_beamlist(&Curr_subbeamstyle); | |
1830 | Subbeam_index = -1; | |
1831 | } | |
1832 | ||
1833 | ||
1834 | /* Initalize a BEAMLIST struct. | |
1835 | * Allocate CHUNK entries, and mark that 0 of them are currently used. | |
1836 | */ | |
1837 | ||
1838 | static void | |
1839 | init_beamlist(beamlist_p) | |
1840 | ||
1841 | struct BEAMLIST *beamlist_p; | |
1842 | ||
1843 | { | |
1844 | MALLOCA(RATIONAL, beamlist_p->list_p, CHUNK); | |
1845 | beamlist_p->count = 0; | |
1846 | beamlist_p->length = CHUNK; | |
1847 | } | |
1848 | \f | |
1849 | ||
1850 | /* This function is called at the parenthesis to begin a sub-beam grouping. | |
1851 | * It saves the current index into the subbeam list. At the ending parenthesis, | |
1852 | * we add up add the subbeam list time values since that saved index. | |
1853 | */ | |
1854 | ||
1855 | void | |
1856 | begin_subbeam() | |
1857 | ||
1858 | { | |
1859 | if (Subbeam_index >= 0) { | |
1860 | yyerror("Nested sub-beam groups not allowed"); | |
1861 | return; | |
1862 | } | |
1863 | Subbeam_index = Curr_subbeamstyle.count; | |
1864 | } | |
1865 | ||
1866 | void | |
1867 | end_subbeam() | |
1868 | { | |
1869 | RATIONAL tot_time; | |
1870 | ||
1871 | /* Do error checks */ | |
1872 | if (Subbeam_index < 0) { | |
1873 | yyerror("Missing '(' for sub-beam grouping"); | |
1874 | return; | |
1875 | } | |
1876 | if (Subbeam_index >= Curr_subbeamstyle.count - 1) { | |
1877 | warning("sub-beam grouping needs at least two values"); | |
1878 | } | |
1879 | ||
1880 | /* Count up all the time values of subbeams that make up the | |
1881 | * single outer beam. */ | |
1882 | for (tot_time = Zero; Subbeam_index < Curr_subbeamstyle.count; | |
1883 | Subbeam_index++) { | |
1884 | tot_time = radd(tot_time, Curr_subbeamstyle.list_p[Subbeam_index]); | |
1885 | } | |
1886 | add2outerbeam(tot_time); | |
1887 | Subbeam_index = -1; | |
1888 | } | |
1889 | \f | |
1890 | ||
1891 | /* Add an entry to the current beam list */ | |
1892 | ||
1893 | void | |
1894 | add_beamlist(value) | |
1895 | ||
1896 | RATIONAL value; /* what to add to beam list */ | |
1897 | ||
1898 | { | |
1899 | /* If we guessed too small, make a bigger array */ | |
1900 | if (Curr_subbeamstyle.count >= Curr_subbeamstyle.length) { | |
1901 | Curr_subbeamstyle.length += CHUNK; | |
1902 | REALLOCA(RATIONAL, Curr_subbeamstyle.list_p, Curr_subbeamstyle.length); | |
1903 | } | |
1904 | ||
1905 | Curr_subbeamstyle.list_p[Curr_subbeamstyle.count] = value; | |
1906 | (Curr_subbeamstyle.count)++; | |
1907 | ||
1908 | /* If not in a subbeam grouping, goes into Curr_beamstyle too */ | |
1909 | if (Subbeam_index < 0) { | |
1910 | add2outerbeam(value); | |
1911 | } | |
1912 | } | |
1913 | \f | |
1914 | ||
1915 | /* Add entry to time values for the outermost beam. In the case of subbeaming, | |
1916 | * the value will be the sum of the subbeams values; otherwise it will be | |
1917 | * the same as that in the subbeam list. | |
1918 | */ | |
1919 | ||
1920 | static void | |
1921 | add2outerbeam(value) | |
1922 | ||
1923 | RATIONAL value; | |
1924 | ||
1925 | { | |
1926 | /* If we guessed too small, make a bigger array */ | |
1927 | if (Curr_beamstyle.count >= Curr_beamstyle.length) { | |
1928 | Curr_beamstyle.length += CHUNK; | |
1929 | REALLOCA(RATIONAL, Curr_beamstyle.list_p, Curr_beamstyle.length); | |
1930 | } | |
1931 | Curr_beamstyle.list_p[Curr_beamstyle.count] = value; | |
1932 | (Curr_beamstyle.count)++; | |
1933 | } | |
1934 | \f | |
1935 | ||
1936 | /* Assign current beam list to SSV structure in main list */ | |
1937 | ||
1938 | void | |
1939 | set_beamlist(mainll_item_p) | |
1940 | ||
1941 | struct MAINLL *mainll_item_p; /* where to attach list */ | |
1942 | ||
1943 | { | |
1944 | if (contextcheck(C_SSV, "beamstyle parameter") == NO) { | |
1945 | return; | |
1946 | } | |
1947 | ||
1948 | /* exclaim if already set in this SSV */ | |
1949 | used_check(mainll_item_p, BEAMSTLIST, "beamstyle"); | |
1950 | ||
1951 | /* Shed any extra allocated space */ | |
1952 | if (Curr_beamstyle.count == 0) { | |
1953 | FREE(Curr_beamstyle.list_p); | |
1954 | Curr_beamstyle.list_p = 0; | |
1955 | } | |
1956 | else if (Curr_beamstyle.count < Curr_beamstyle.length) { | |
1957 | REALLOCA(RATIONAL, Curr_beamstyle.list_p, Curr_beamstyle.count); | |
1958 | } | |
1959 | if (Curr_subbeamstyle.count == 0) { | |
1960 | FREE(Curr_subbeamstyle.list_p); | |
1961 | Curr_subbeamstyle.list_p = 0; | |
1962 | } | |
1963 | else if (Curr_subbeamstyle.count < Curr_subbeamstyle.length) { | |
1964 | REALLOCA(RATIONAL, Curr_subbeamstyle.list_p, Curr_subbeamstyle.count); | |
1965 | } | |
1966 | ||
1967 | if (mainll_item_p == (struct MAINLL *) 0) { | |
1968 | pfatal("NULL SSV for beamlist"); | |
1969 | } | |
1970 | ||
1971 | if (Context != C_SCORE && is_tab_staff(mainll_item_p->u.ssv_p->staffno) | |
1972 | == YES) { | |
1973 | yyerror("beamstyle not allowed on tablature staff"); | |
1974 | return; | |
1975 | } | |
1976 | ||
1977 | /* attach to the SSV struct and mark as used */ | |
1978 | mainll_item_p->u.ssv_p->beamstlist = Curr_beamstyle.list_p; | |
1979 | mainll_item_p->u.ssv_p->subbeamstlist = Curr_subbeamstyle.list_p; | |
1980 | mainll_item_p->u.ssv_p->nbeam = (short) Curr_beamstyle.count; | |
1981 | mainll_item_p->u.ssv_p->nsubbeam = (short) Curr_subbeamstyle.count; | |
1982 | mainll_item_p->u.ssv_p->used[BEAMSTLIST] = YES; | |
1983 | ||
1984 | if (Curr_beamstyle.count > 0) { | |
1985 | /* make sure time adds up to exactly a measure */ | |
1986 | RATIONAL tot_time; /* sum of times in beamstyle list */ | |
1987 | register int n; | |
1988 | ||
1989 | tot_time = Zero; | |
1990 | ||
1991 | for (n = 0; n < Curr_beamstyle.count; n++) { | |
1992 | tot_time = radd(tot_time, Curr_beamstyle.list_p[n]); | |
1993 | } | |
1994 | ||
1995 | if (NE(tot_time, Score.time)) { | |
1996 | yyerror("beam list does not add up to a measure"); | |
1997 | } | |
1998 | } | |
1999 | ||
2000 | /* Mark temporary lists as invalid */ | |
2001 | Curr_beamstyle.list_p = 0; | |
2002 | Curr_subbeamstyle.list_p = 0; | |
2003 | ||
2004 | asgnssv(mainll_item_p->u.ssv_p); | |
2005 | } | |
2006 | \f | |
2007 | ||
2008 | void | |
2009 | assign_unit(unittype, mainll_p) | |
2010 | ||
2011 | int unittype; | |
2012 | struct MAINLL *mainll_p; | |
2013 | ||
2014 | { | |
2015 | if (contextcheck(C_SCORE, "units parameter") == NO) { | |
2016 | return; | |
2017 | } | |
2018 | ||
2019 | mainll_p->u.ssv_p->units = unittype; | |
2020 | Score.units = unittype; | |
2021 | } | |
2022 | \f | |
2023 | ||
2024 | /* return YES if given SSV refers to a tablature staff, NO if not. | |
2025 | * This function is different than the is_tab_staff() function in that | |
2026 | * this takes an ssv_p and thus can be used on a user's SSV, whereas | |
2027 | * is_tab_staff takes a staff number and only works on the SSVs in | |
2028 | * the Staff array. */ | |
2029 | ||
2030 | static int | |
2031 | is_tablature_staff(ssv_p) | |
2032 | ||
2033 | struct SSV *ssv_p; | |
2034 | ||
2035 | { | |
2036 | return (ssv_p->strinfo != (struct STRINGINFO *) 0 ? YES : NO); | |
2037 | } | |
2038 | \f | |
2039 | ||
2040 | /* add information about a string for a tablature staff. This gets put | |
2041 | * in a malloc-ed strinfo array off the ssv_p struct */ | |
2042 | ||
2043 | void | |
2044 | add_tab_string_info(letter, accidental, nticks, octave, ssv_p) | |
2045 | ||
2046 | int letter; /* pitch letter 'a' to 'g' */ | |
2047 | int accidental; /* #, &, or \0, others are blocked by parser */ | |
2048 | int nticks; /* how many tick marks, to distinguish multiple | |
2049 | * strings with the same pitch/accidental */ | |
2050 | int octave; /* for MIDI and translating to tabnote staff */ | |
2051 | struct SSV *ssv_p; /* add the info to this struct */ | |
2052 | ||
2053 | { | |
2054 | int index; /* which strinfo array element we are filling in */ | |
2055 | int i; | |
2056 | ||
2057 | ||
2058 | /* increment number of stafflines. This gets done for real later | |
2059 | * by asgn_stafflines(), but we do it here to keep track of how | |
2060 | * many structs we have malloc-ed from previous calls to this function | |
2061 | * for previous strings */ | |
2062 | (ssv_p->stafflines)++; | |
2063 | ||
2064 | /* first get space. If first one to add, malloc, otherwise realloc */ | |
2065 | if (ssv_p->stafflines == 1) { | |
2066 | MALLOC(STRINGINFO, ssv_p->strinfo, ssv_p->stafflines); | |
2067 | } | |
2068 | else { | |
2069 | REALLOC(STRINGINFO, ssv_p->strinfo, ssv_p->stafflines); | |
2070 | } | |
2071 | ||
2072 | /* get the index of the new element we are adding */ | |
2073 | index = ssv_p->stafflines - 1; | |
2074 | ||
2075 | /* fill in the data */ | |
2076 | ssv_p->strinfo[index].letter = (char) letter; | |
2077 | ssv_p->strinfo[index].accidental = (char) accidental; | |
2078 | ssv_p->strinfo[index].nticks = (short) nticks; | |
2079 | ssv_p->strinfo[index].octave | |
2080 | = (short) (octave == USE_DFLT_OCTAVE ? TABDEFOCT : octave); | |
2081 | ||
2082 | /* check for duplicate strings */ | |
2083 | for (i = 0; i < index; i++) { | |
2084 | if (ssv_p->strinfo[i].letter == letter | |
2085 | && ssv_p->strinfo[i].accidental == accidental | |
2086 | && ssv_p->strinfo[i].nticks == nticks) { | |
2087 | l_yyerror(Curr_filename, yylineno, | |
2088 | "duplicate %c%c%sstring, use ' marks to distinguish", | |
2089 | letter, accidental ? accidental : ' ', | |
2090 | accidental ? " " : ""); | |
2091 | } | |
2092 | } | |
2093 | } | |
2094 | \f | |
2095 | ||
2096 | /* Save user-specified measure number in given bar struct, | |
2097 | * after verifying it is valid (that is it > 0). | |
2098 | */ | |
2099 | ||
2100 | void | |
2101 | set_mnum(bar_p, mnum) | |
2102 | ||
2103 | struct BAR *bar_p; | |
2104 | int mnum; | |
2105 | ||
2106 | { | |
2107 | char *old_reh_string; | |
2108 | char num_string[8]; | |
2109 | ||
2110 | if (mnum < 1) { | |
2111 | l_yyerror(Curr_filename, yylineno, "mnum must be > 0"); | |
2112 | } | |
2113 | else if (bar_p->mnum != 0) { | |
2114 | l_yyerror(Curr_filename, yylineno, | |
2115 | "mnum cannot be specified more than once per bar"); | |
2116 | } | |
2117 | else { | |
2118 | Meas_num = bar_p->mnum = mnum; | |
2119 | /* If user had already specified " reh mnum" on this bar, | |
2120 | * we would already have made a reh_string for it, so we | |
2121 | * have to undo that. It would be nicer to delay the call | |
2122 | * to set_reh_string till after we've set mnum, but by then | |
2123 | * we would have lost the information we needed unless we | |
2124 | * added a bunch more code, so even though this approach | |
2125 | * isn't ideal, it's easiest. This shouldn't happen very | |
2126 | * often anyway. */ | |
2127 | if ( (bar_p->reh_type == REH_MNUM) && | |
2128 | (bar_p->reh_string != (char *) 0) ) { | |
2129 | old_reh_string = bar_p->reh_string; | |
2130 | (void) sprintf(num_string, "%d", mnum); | |
2131 | bar_p->reh_string = copy_string(num_string, | |
2132 | (int) old_reh_string[0], | |
2133 | (int) old_reh_string[1]); | |
2134 | FREE(old_reh_string); | |
2135 | } | |
2136 | } | |
2137 | } | |
2138 | \f | |
2139 | ||
2140 | /* Give error if margin is too wide, If any is negative, use from Score */ | |
2141 | ||
2142 | void | |
2143 | chkmargin(topmargin, botmargin, leftmargin, rightmargin) | |
2144 | ||
2145 | double topmargin; | |
2146 | double botmargin; | |
2147 | double leftmargin; | |
2148 | double rightmargin; | |
2149 | ||
2150 | { | |
2151 | if (topmargin < 0.0) { | |
2152 | topmargin = Score.topmargin; | |
2153 | } | |
2154 | if (botmargin < 0.0) { | |
2155 | botmargin = Score.botmargin; | |
2156 | } | |
2157 | if (leftmargin < 0.0) { | |
2158 | leftmargin = Score.leftmargin; | |
2159 | } | |
2160 | if (rightmargin < 0.0) { | |
2161 | rightmargin = Score.rightmargin; | |
2162 | } | |
2163 | if (((Score.pageheight - topmargin - botmargin) < MIN_USABLE_SPACE) | |
2164 | || ((Score.pagewidth - leftmargin - rightmargin) | |
2165 | < MIN_USABLE_SPACE)) { | |
2166 | yyerror("page size minus margins is too small"); | |
2167 | } | |
2168 | } | |
2169 | \f | |
2170 | ||
2171 | /* function to let other files get to the ADJUST2INCHES macro */ | |
2172 | ||
2173 | double | |
2174 | adjust2inches(value) | |
2175 | ||
2176 | double value; | |
2177 | ||
2178 | { | |
2179 | ADJUST2INCHES(value); | |
2180 | return(value); | |
2181 | } |