| 1 | |
| 2 | /* Copyright (c) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006 by Arkkra Enterprises */ |
| 3 | /* All rights reserved */ |
| 4 | |
| 5 | /* functions called by the parse phase to deal with lyrics */ |
| 6 | |
| 7 | #include "defines.h" |
| 8 | #include "structs.h" |
| 9 | #include "globals.h" |
| 10 | |
| 11 | |
| 12 | /* information about a measure-worth of lyrics */ |
| 13 | struct LYRINFO { |
| 14 | short place; /* PL_ABOVE, etc */ |
| 15 | short vno; /* verse number */ |
| 16 | struct GRPSYL *gs_p; /* the lyrics themselves */ |
| 17 | struct LYRINFO *next; /* for linked list of other verses on the |
| 18 | * same staff */ |
| 19 | }; |
| 20 | |
| 21 | /* current font/size for each staff/verse/place combination */ |
| 22 | struct LYRFONTSIZE { |
| 23 | short staffno; |
| 24 | short verse; |
| 25 | char place; /* PL_ABOVE, etc */ |
| 26 | char font; |
| 27 | char size; |
| 28 | char all; /* YES if "above all" or "below all". |
| 29 | * In that case, the staffno is |
| 30 | * irrelevant */ |
| 31 | struct LYRFONTSIZE *next; /* linked list */ |
| 32 | }; |
| 33 | |
| 34 | /* we keep the font/size info independently for each staff/verse/place combo |
| 35 | * and carry it forward from measure to measure. Info is stored here */ |
| 36 | struct LYRFONTSIZE *Lyrfontsizeinfo_p [MAXSTAFFS + 1]; |
| 37 | |
| 38 | /* for each staff, keep a list of all the GRPSYL lyric lists that will be |
| 39 | * associated with that staff. */ |
| 40 | static struct LYRINFO *Lyr_tbl[MAXSTAFFS + 1]; |
| 41 | |
| 42 | /* need to keep a list of all verse numbers ever used, for setting Maxverses */ |
| 43 | static struct RANGELIST *Above_vnumbers_used; |
| 44 | static struct RANGELIST *Below_vnumbers_used; |
| 45 | static struct RANGELIST *Between_vnumbers_used; |
| 46 | |
| 47 | /* for auto-numbering verses, keep track of the last verse number used |
| 48 | * for each staff/place */ |
| 49 | static short Prev_verse_num[MAXSTAFFS+1][NUM_PLACE]; |
| 50 | |
| 51 | /* static function declarations */ |
| 52 | static void free_lyrinfo P((struct LYRINFO *lyrinfo_p)); |
| 53 | static void assoc_lyr2staff P((int staffno, int verse, struct GRPSYL *gs_p, |
| 54 | char *lyrstring, int all, int place)); |
| 55 | static struct LYRFONTSIZE *getlyrfontsize P((int staffno, int verse, |
| 56 | int place, int all)); |
| 57 | static void updlyrfontsize P((struct LYRFONTSIZE *lyrfontsize_p, |
| 58 | int font, int size)); |
| 59 | static char *next_syl P((char **sylstring_p, int *font_p, int *size_p, |
| 60 | short *position_p, int staffno)); |
| 61 | static void do_sylwidth P((char *lyrstring, float *wid_b4_syl_p, |
| 62 | float *wid_real_syl_p, float *wid_after_syl_p, |
| 63 | int compensating)); |
| 64 | static void count_verses P((struct RANGELIST *used_p)); |
| 65 | static void vno_used P((int vno)); |
| 66 | \f |
| 67 | |
| 68 | /* given a range of verses, save the range for later use */ |
| 69 | |
| 70 | void |
| 71 | lyr_verse(begin, end) |
| 72 | |
| 73 | int begin; /* first verse in range */ |
| 74 | int end; /* last verse number in range */ |
| 75 | |
| 76 | { |
| 77 | /* error check */ |
| 78 | /* Note that -1 is a special value meaning "one more than previous." |
| 79 | * Zero is also special, meaning "centered," but that doesn't |
| 80 | * get handled by this function, since that doesn't need the error |
| 81 | * checks that are done here, since the parser guarantees good values. |
| 82 | * If a zero does get passed in, the user must have explicitly |
| 83 | * specified it, which is a user error. |
| 84 | */ |
| 85 | if (begin < 1 && begin != -1) { |
| 86 | yyerror("verse number must be >= 1"); |
| 87 | return; |
| 88 | } |
| 89 | |
| 90 | if (end < begin) { |
| 91 | yyerror("end of verse range smaller than beginning"); |
| 92 | return; |
| 93 | } |
| 94 | |
| 95 | save_vno_range(begin, end); |
| 96 | } |
| 97 | \f |
| 98 | |
| 99 | /* once all the information about a measure-worth of lyrics has been |
| 100 | * gathered, process it. Break up the lyrics string into syllables and |
| 101 | * store them in the appropriate GRPSYL structs. Then clone the list as |
| 102 | * many times as necessary for each staff/verse, and associate with |
| 103 | * appropriate staffs. |
| 104 | */ |
| 105 | |
| 106 | void |
| 107 | proc_lyrics(grpsyl_p, lyrstring) |
| 108 | |
| 109 | struct GRPSYL *grpsyl_p; /* list of GRPSYLs with time values */ |
| 110 | char *lyrstring; /* string containing the lyrics */ |
| 111 | |
| 112 | { |
| 113 | struct RANGELIST *slist_p; /* walk through list of staffs */ |
| 114 | struct RANGELIST *vlist_p; /* walk through list of verses */ |
| 115 | int staffno; |
| 116 | int verse; |
| 117 | int place; |
| 118 | |
| 119 | |
| 120 | if (grpsyl_p == (struct GRPSYL *) 0 || lyrstring == (char *) 0) { |
| 121 | return; |
| 122 | } |
| 123 | |
| 124 | debug(2, "proc_lyrics file=%s lineno=%d", grpsyl_p->inputfile, |
| 125 | grpsyl_p->inputlineno); |
| 126 | |
| 127 | /* for each staff and verse being defined, clone the GRPSYL |
| 128 | * list and associate with appropriate staff */ |
| 129 | /* do each appropriate staff */ |
| 130 | for (slist_p = Staffrange_p; slist_p != (struct RANGELIST *) 0; |
| 131 | slist_p = slist_p->next) { |
| 132 | place = (slist_p->place == PL_UNKNOWN ? PL_BELOW : slist_p->place); |
| 133 | for (staffno = slist_p->begin; staffno <= slist_p->end; |
| 134 | staffno++) { |
| 135 | |
| 136 | /* do each appropriate verse */ |
| 137 | for (vlist_p = Vnorange_p; |
| 138 | vlist_p != (struct RANGELIST *) 0; |
| 139 | vlist_p = vlist_p->next) { |
| 140 | |
| 141 | for (verse = vlist_p->begin; |
| 142 | verse <= vlist_p->end; |
| 143 | verse++) { |
| 144 | |
| 145 | /* -1 means one more than previous */ |
| 146 | if (verse == -1) { |
| 147 | |
| 148 | verse = Prev_verse_num[staffno][place] + 1; |
| 149 | } |
| 150 | Prev_verse_num[staffno][place] = verse; |
| 151 | /* connect to proper staff */ |
| 152 | assoc_lyr2staff(staffno, verse, |
| 153 | grpsyl_p, lyrstring, |
| 154 | slist_p->all, place); |
| 155 | |
| 156 | /* mark that we've use this verse # */ |
| 157 | vno_used(verse); |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | /* free the vno rangelist. Don't free the staff info yet, because |
| 164 | * there may be more verses */ |
| 165 | free_vnorange(); |
| 166 | |
| 167 | /* the lyrics string has been broken into syllables. Don't need |
| 168 | * the original string anymore */ |
| 169 | FREE(lyrstring); |
| 170 | } |
| 171 | \f |
| 172 | |
| 173 | /* connect a list of syllable to specified STAFF */ |
| 174 | |
| 175 | static void |
| 176 | assoc_lyr2staff(staffno, verse, gs_p, lyrstring, all, place) |
| 177 | |
| 178 | int staffno; /* which staff lyrics belong to */ |
| 179 | int verse; /* verse number of lyrics */ |
| 180 | struct GRPSYL *gs_p; /* list of GRPSYLs with time information */ |
| 181 | char *lyrstring; /* string of lyrics syllables in this measure/verse */ |
| 182 | int all; /* YES if associated with "all" */ |
| 183 | int place; /* PL_* */ |
| 184 | |
| 185 | { |
| 186 | struct LYRINFO *new_p; /* to store info about |
| 187 | * current staff/verse lyrics */ |
| 188 | struct LYRINFO *lyrinfo_p; /* used when searching for |
| 189 | * where to insert this verse */ |
| 190 | struct LYRINFO **insert_place_p_p; /* address of where to add |
| 191 | * lyric info when doing |
| 192 | * insertion sort */ |
| 193 | char *lyr_copy; /* copy of lyrics */ |
| 194 | int font; |
| 195 | int size; |
| 196 | struct LYRFONTSIZE *lyrfontsize_p; /* info about font/size for |
| 197 | * current staff/verse/place */ |
| 198 | |
| 199 | |
| 200 | debug(4, "assoc_lyr2staff file=%s lineno=%d staffno=%d, verse=%d, all=%d, place=%d", |
| 201 | gs_p->inputfile, gs_p->inputlineno, staffno, verse, |
| 202 | all, place); |
| 203 | |
| 204 | if (staffno > Score.staffs) { |
| 205 | l_yyerror(gs_p->inputfile, gs_p->inputlineno, |
| 206 | "can't have lyrics for staff %d when there aren't that many staffs", |
| 207 | staffno); |
| 208 | return; |
| 209 | } |
| 210 | |
| 211 | /* make a copy of the grpsyl list for this staff/verse */ |
| 212 | gs_p = clone_gs_list(gs_p, NO); |
| 213 | |
| 214 | /* allocate space to save info, and fill it in */ |
| 215 | CALLOC(LYRINFO, new_p, 1); |
| 216 | new_p->vno = (short) verse; |
| 217 | new_p->place = place; |
| 218 | new_p->gs_p = gs_p; |
| 219 | |
| 220 | /* insertion sort into list of lyrics for this staff */ |
| 221 | for (insert_place_p_p = & (Lyr_tbl[staffno]); |
| 222 | *insert_place_p_p != (struct LYRINFO *) 0; |
| 223 | insert_place_p_p = & ((*insert_place_p_p)->next) ) { |
| 224 | |
| 225 | lyrinfo_p = (*insert_place_p_p); |
| 226 | |
| 227 | if ( lyrinfo_p->vno > verse) { |
| 228 | /* need to insert new one right before this one */ |
| 229 | break; |
| 230 | } |
| 231 | |
| 232 | if ( (lyrinfo_p->vno == verse) |
| 233 | && (lyrinfo_p->place == new_p->place)) { |
| 234 | l_yyerror(Curr_filename, yylineno, |
| 235 | "verse %d, staff %d multiply defined", |
| 236 | verse, staffno); |
| 237 | return; |
| 238 | } |
| 239 | } |
| 240 | new_p->next = *insert_place_p_p; |
| 241 | *insert_place_p_p = new_p; |
| 242 | |
| 243 | /* we need to set font/size on a per-staff basis. That means we |
| 244 | * have to make a temporary copy for each instance and get the |
| 245 | * syllables each time */ |
| 246 | lyrfontsize_p = getlyrfontsize(staffno, verse, Place, all); |
| 247 | font = lyrfontsize_p->font; |
| 248 | size = lyrfontsize_p->size; |
| 249 | |
| 250 | lyr_copy = lyrstring = copy_string(lyrstring + 2, font, size); |
| 251 | |
| 252 | /* get into internal format */ |
| 253 | fix_string(lyrstring, font, size, Curr_filename, yylineno); |
| 254 | |
| 255 | /* skip past the font/size */ |
| 256 | lyrstring += 2; |
| 257 | |
| 258 | /* fill in vno, staffno, and syllables */ |
| 259 | for ( ; gs_p != (struct GRPSYL *) 0; gs_p = gs_p->next) { |
| 260 | |
| 261 | gs_p->staffno = (short) staffno; |
| 262 | gs_p->vno = (short) verse; |
| 263 | |
| 264 | /* if this GRPSYL is a space, don't fill in a syllable */ |
| 265 | if (gs_p->grpcont == GC_SPACE) { |
| 266 | continue; |
| 267 | } |
| 268 | |
| 269 | /* otherwise, find the next syllable, and store it in |
| 270 | * the GRPSYL */ |
| 271 | gs_p->syl = next_syl(&lyrstring, &font, &size, |
| 272 | &(gs_p->sylposition), staffno); |
| 273 | } |
| 274 | |
| 275 | /* keep track of font/size at end of measure in case we have more |
| 276 | * lyrics in this same staff/verse/place on a later measure */ |
| 277 | updlyrfontsize(lyrfontsize_p, font, size); |
| 278 | |
| 279 | /* skip over any trailing white space */ |
| 280 | while (*lyrstring == ' ' || *lyrstring == '\t') { |
| 281 | lyrstring++; |
| 282 | } |
| 283 | |
| 284 | if (*lyrstring != '\0') { |
| 285 | yyerror("too many syllables in string"); |
| 286 | } |
| 287 | |
| 288 | /* the copy has been broken into syllables. Free the copy */ |
| 289 | FREE(lyr_copy); |
| 290 | } |
| 291 | \f |
| 292 | |
| 293 | /* given a staffno, verse, and place, return (via pointer to struct of info) |
| 294 | * the font and size that should be used */ |
| 295 | |
| 296 | static struct LYRFONTSIZE * |
| 297 | getlyrfontsize(staffno, verse, place, all) |
| 298 | |
| 299 | int staffno; |
| 300 | int verse; |
| 301 | int place; |
| 302 | int all; /* YES if associated with "all" */ |
| 303 | |
| 304 | { |
| 305 | struct LYRFONTSIZE *lfs_p; /* walk through linked list */ |
| 306 | |
| 307 | |
| 308 | /* if this staff/verse/place is on the list, use the values stored |
| 309 | * there. */ |
| 310 | for (lfs_p = Lyrfontsizeinfo_p [staffno]; |
| 311 | lfs_p != (struct LYRFONTSIZE *) 0; |
| 312 | lfs_p = lfs_p->next) { |
| 313 | |
| 314 | if (lfs_p->staffno == staffno && lfs_p->verse == verse |
| 315 | && lfs_p->place == place && lfs_p->all == all) { |
| 316 | return(lfs_p); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | /* wasn't on list yet. Add to list, using default values from SSV */ |
| 321 | MALLOC(LYRFONTSIZE, lfs_p, 1); |
| 322 | lfs_p->staffno = (short) staffno; |
| 323 | lfs_p->verse = (short) verse; |
| 324 | lfs_p->place = (char) place; |
| 325 | lfs_p->all = (char) all; |
| 326 | if (all == YES) { |
| 327 | lfs_p->font = (char) (Score.lyricsfamily + Score.lyricsfont); |
| 328 | lfs_p->size = (char) Score.lyricssize; |
| 329 | } |
| 330 | else { |
| 331 | lfs_p->font = svpath(staffno, LYRICSFAMILY)->lyricsfamily |
| 332 | + svpath(staffno, LYRICSFONT)->lyricsfont; |
| 333 | lfs_p->size = svpath(staffno, LYRICSFONT)->lyricssize; |
| 334 | } |
| 335 | lfs_p->next = Lyrfontsizeinfo_p [ staffno ]; |
| 336 | Lyrfontsizeinfo_p [ staffno ] = lfs_p; |
| 337 | |
| 338 | return(lfs_p); |
| 339 | } |
| 340 | \f |
| 341 | |
| 342 | /* update values of font/size for a given LYRFONTSIZE struct */ |
| 343 | |
| 344 | static void |
| 345 | updlyrfontsize(lyrfontsize_p, font, size) |
| 346 | |
| 347 | struct LYRFONTSIZE *lyrfontsize_p; |
| 348 | int font; |
| 349 | int size; |
| 350 | |
| 351 | { |
| 352 | lyrfontsize_p->font = (char) font; |
| 353 | lyrfontsize_p->size = (char) size; |
| 354 | } |
| 355 | \f |
| 356 | |
| 357 | /* when user sets lyricsfont via an SSV, that overrides whatever fonts are |
| 358 | * currently in effect, so change them. */ |
| 359 | |
| 360 | void |
| 361 | setlyrfont(staffno, font) |
| 362 | |
| 363 | int staffno; |
| 364 | int font; |
| 365 | |
| 366 | { |
| 367 | int s; /* index through staffs */ |
| 368 | struct LYRFONTSIZE *lfs_p; /* info about font/size */ |
| 369 | |
| 370 | |
| 371 | if (Context == C_SCORE) { |
| 372 | Context = C_STAFF; |
| 373 | /* reset all staffs */ |
| 374 | for (s = 1; s <= Score.staffs; s++) { |
| 375 | setlyrfont(s, font); |
| 376 | } |
| 377 | Context = C_SCORE; |
| 378 | } |
| 379 | else { |
| 380 | /* set all place/verse combinations of given staff */ |
| 381 | for (lfs_p = Lyrfontsizeinfo_p [staffno]; |
| 382 | lfs_p != (struct LYRFONTSIZE *) 0; |
| 383 | lfs_p = lfs_p->next) { |
| 384 | lfs_p->font = (lfs_p->all == YES ? Score.lyricsfamily |
| 385 | + Score.lyricsfont |
| 386 | : svpath(staffno, LYRICSFAMILY)->lyricsfamily |
| 387 | + font); |
| 388 | } |
| 389 | } |
| 390 | } |
| 391 | \f |
| 392 | |
| 393 | /* when user sets lyricsize via an SSV, that overrides whatever fonts are |
| 394 | * currently in effect, so change them. */ |
| 395 | |
| 396 | void |
| 397 | setlyrsize(staffno, size) |
| 398 | |
| 399 | int staffno; |
| 400 | int size; |
| 401 | |
| 402 | { |
| 403 | int s; /* index through staffs */ |
| 404 | struct LYRFONTSIZE *lfs_p; /* font/size info */ |
| 405 | |
| 406 | |
| 407 | if (Context == C_SCORE) { |
| 408 | /* reset all staffs */ |
| 409 | Context = C_STAFF; |
| 410 | for (s = 1; s <= Score.staffs; s++) { |
| 411 | setlyrsize(s, size); |
| 412 | } |
| 413 | Context = C_SCORE; |
| 414 | } |
| 415 | else { |
| 416 | /* set all place/verse combinations of given staff */ |
| 417 | for (lfs_p = Lyrfontsizeinfo_p [staffno]; |
| 418 | lfs_p != (struct LYRFONTSIZE *) 0; |
| 419 | lfs_p = lfs_p->next) { |
| 420 | lfs_p->size = (char) (lfs_p->all == YES |
| 421 | ? Score.lyricssize : size); |
| 422 | } |
| 423 | } |
| 424 | } |
| 425 | \f |
| 426 | |
| 427 | /* This function is called when an entire measure has been collected, to |
| 428 | * take care of all the lyrics. |
| 429 | * For each staff, allocate the proper number of elements for the syls_p |
| 430 | * list and fill them in. |
| 431 | * Then free all the LYRINFO structs and clean out the Lyr_tbl. |
| 432 | */ |
| 433 | |
| 434 | void |
| 435 | attach_lyrics2staffs(mll_staffs_p) |
| 436 | |
| 437 | struct MAINLL *mll_staffs_p; /* the list of staffs to attch to */ |
| 438 | |
| 439 | { |
| 440 | struct STAFF *staff_p; /* the staff we are currently dealing |
| 441 | * with */ |
| 442 | int verses; /* how many verses for staff */ |
| 443 | struct LYRINFO *lyrinfo_p; /* where lyrics info is stored */ |
| 444 | |
| 445 | |
| 446 | debug(4, "attach_lyrics2staffs"); |
| 447 | |
| 448 | /* do each staff */ |
| 449 | for ( ; mll_staffs_p != (struct MAINLL *) 0; |
| 450 | mll_staffs_p = mll_staffs_p->next) { |
| 451 | |
| 452 | if (mll_staffs_p->str != S_STAFF) { |
| 453 | /* must have gotten to end of staffs; done */ |
| 454 | break; |
| 455 | } |
| 456 | |
| 457 | /* need staff pointer a lot. Get shorter name for it */ |
| 458 | staff_p = mll_staffs_p->u.staff_p; |
| 459 | |
| 460 | /* count up how many verses there are associated with this |
| 461 | * staff */ |
| 462 | for ( verses = 0, lyrinfo_p = Lyr_tbl[staff_p->staffno]; |
| 463 | lyrinfo_p != (struct LYRINFO *) 0; |
| 464 | lyrinfo_p = lyrinfo_p->next) { |
| 465 | verses++; |
| 466 | } |
| 467 | |
| 468 | /* if no verses, nothing to do */ |
| 469 | if (verses == 0) { |
| 470 | continue; |
| 471 | } |
| 472 | |
| 473 | /* alloc space for the appropriate number of verses */ |
| 474 | MALLOC(GRPSYL *, staff_p->syls_p, verses); |
| 475 | if ((staff_p->sylplace = (short *) malloc |
| 476 | (sizeof(short) * verses)) == (short *) 0) { |
| 477 | l_no_mem(__FILE__, __LINE__); |
| 478 | } |
| 479 | staff_p->nsyllists = (short) verses; |
| 480 | |
| 481 | /* now attach the GRPSYLs and set the places for each */ |
| 482 | for (verses = 0, lyrinfo_p = Lyr_tbl[staff_p->staffno]; |
| 483 | lyrinfo_p != (struct LYRINFO *) 0; |
| 484 | lyrinfo_p = lyrinfo_p->next, verses++) { |
| 485 | |
| 486 | staff_p->syls_p[verses] = lyrinfo_p->gs_p; |
| 487 | staff_p->sylplace[verses] = lyrinfo_p->place; |
| 488 | } |
| 489 | |
| 490 | free_lyrinfo(Lyr_tbl[staff_p->staffno]); |
| 491 | Lyr_tbl[staff_p->staffno] = (struct LYRINFO *) 0; |
| 492 | } |
| 493 | } |
| 494 | \f |
| 495 | |
| 496 | /* recursively free list of LYRINFO structs */ |
| 497 | |
| 498 | static void |
| 499 | free_lyrinfo(lyrinfo_p) |
| 500 | |
| 501 | struct LYRINFO *lyrinfo_p; /* the list to free */ |
| 502 | |
| 503 | { |
| 504 | if (lyrinfo_p == (struct LYRINFO *) 0) { |
| 505 | return; |
| 506 | } |
| 507 | |
| 508 | free_lyrinfo(lyrinfo_p->next); |
| 509 | FREE(lyrinfo_p); |
| 510 | } |
| 511 | \f |
| 512 | |
| 513 | /* At each bar line, reset previous verse number for auto-verse-numbering */ |
| 514 | |
| 515 | void |
| 516 | lyr_new_bar() |
| 517 | { |
| 518 | int staff_index; |
| 519 | int place_index; |
| 520 | |
| 521 | for (staff_index = 1; staff_index <= MAXSTAFFS; staff_index++) { |
| 522 | for (place_index = 0; place_index < NUM_PLACE; place_index++) { |
| 523 | Prev_verse_num[staff_index][place_index] = 0; |
| 524 | } |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | \f |
| 529 | |
| 530 | /* in several places we need to copy part of a lyric from one string to |
| 531 | * another while keeping track of the font and size changes along the way. |
| 532 | * Doing this with a function gets hard to think about because you'd |
| 533 | * have to pass around a bunch of pointers to pointers and keep all the |
| 534 | * levels of indirection straight, so I opted for a macro. |
| 535 | * destbuff is the char array into which to copy. destindex is the subscript |
| 536 | * into that array. src_p is a char * from which to copy. delimiter is the |
| 537 | * character at which to stop copying. fnt_p and sz_p are pointer to font |
| 538 | * and size which need to be updated if the font or size change. |
| 539 | */ |
| 540 | #define COPY_LYR(destbuff, destindex, src_p, delimiter, fnt_p, sz_p) \ |
| 541 | for ( ; *src_p != '\0' && *src_p != delimiter; src_p++) { \ |
| 542 | destbuff[destindex++] = *src_p; \ |
| 543 | \ |
| 544 | switch ( (unsigned) *src_p & 0xff) { \ |
| 545 | case STR_FONT: \ |
| 546 | *fnt_p = *++src_p; \ |
| 547 | destbuff[destindex++] = *src_p; \ |
| 548 | break; \ |
| 549 | case STR_SIZE: \ |
| 550 | *sz_p = *++src_p; \ |
| 551 | destbuff[destindex++] = *src_p; \ |
| 552 | break; \ |
| 553 | case STR_MUS_CHAR: \ |
| 554 | destbuff[destindex++] = *++src_p; \ |
| 555 | destbuff[destindex++] = *++src_p; \ |
| 556 | break; \ |
| 557 | case STR_BACKSPACE: \ |
| 558 | destbuff[destindex++] = *++src_p; \ |
| 559 | break; \ |
| 560 | default: \ |
| 561 | break; \ |
| 562 | } \ |
| 563 | } |
| 564 | \f |
| 565 | |
| 566 | |
| 567 | /* break a string of lyrics into individual syllables. The following |
| 568 | * characters are special: |
| 569 | * <space> marks end of syllable |
| 570 | * <tab> same as space |
| 571 | * - end of syllable |
| 572 | * _ end of syllable |
| 573 | * '<' beginning of non-lyric item |
| 574 | * '>' end of non-lyric item |
| 575 | */ |
| 576 | /* Each syllable will be returned as a string of the form: |
| 577 | * <font> <size> [<STR_PRE> pre-item <STR_PRE_END>] syllable [<STR_PST> post-item <STR_PST_END>] |
| 578 | * where |
| 579 | * <font> is a 1-byte font identifier, FONT_TR, FONT_TI etc |
| 580 | * <size> is a 1-byte size, in points |
| 581 | * if there is non-lyrics stuff to be put before the lyric syllable, it |
| 582 | * will be surrounded by <STR_PRE> and <STR_PRE_END> characters. |
| 583 | * It may contain other commands for font changes, etc. |
| 584 | * This field is optional. If present it may be of arbitrary |
| 585 | * length, including zero length |
| 586 | * If this text is to be used for syllable |
| 587 | * placement, the header will be <STR_U_PRE> instead |
| 588 | * The syllable follows. It may contain any of the commands found in |
| 589 | * any other string. It can be of zero length. |
| 590 | * Optionally, there may there something to print after the syllable |
| 591 | * that isn't part of the syllable. If there is such a thing, |
| 592 | * it will be surrounded by <STR_PST> and <STR_PST_END> characters. |
| 593 | * If this text is to be used for syllable placement, the |
| 594 | * header will be <STR_U_PST> instead. |
| 595 | * Any of the fields can be of zero length, but at least one of them |
| 596 | * must be of non-zero length for each syllable to be sensible. |
| 597 | * This function should be called after the string has been transformed |
| 598 | * to internal format, with font/size changes stored as commands. |
| 599 | * If a syllable starts with a positioning value, that is updated. |
| 600 | */ |
| 601 | |
| 602 | static char * |
| 603 | next_syl(sylstring_p, font_p, size_p, position_p, staffno) |
| 604 | |
| 605 | char **sylstring_p; /* address of pointer to current spot in lyric string |
| 606 | * of syllables. At entry, its contents should be |
| 607 | * the address of the first character of the syllable |
| 608 | * to be returned. On return, its contents will be |
| 609 | * updated to point to the first character of the |
| 610 | * following syllable, to be ready for the next call |
| 611 | * to this function. |
| 612 | */ |
| 613 | int *font_p; /* pointer to current font value, will be updated |
| 614 | * with new font if it changes. */ |
| 615 | int *size_p; /* pointer to current size value; will be updated |
| 616 | * with new size if it changes */ |
| 617 | short *position_p; /* pointer to sylposition field, will be updated |
| 618 | * with the user-specified position value, if |
| 619 | * they specified one, otherwise will be left as is. */ |
| 620 | int staffno; /* which staff this syllable is for */ |
| 621 | |
| 622 | { |
| 623 | char *p; /* pointer into lyrics string */ |
| 624 | int done; /* boolean to keep track of if we are done */ |
| 625 | int font, size; /* original font and size */ |
| 626 | int i; /* index into sylbuff */ |
| 627 | char sylbuff[BUFSIZ]; /* temporary storage for a syllable */ |
| 628 | |
| 629 | |
| 630 | /* initialize */ |
| 631 | sylbuff[0] = '\0'; |
| 632 | i = 0; |
| 633 | font = *font_p; |
| 634 | size = *size_p; |
| 635 | |
| 636 | /* skip any leading white space */ |
| 637 | for (p = *sylstring_p; *p != '\0'; p++) { |
| 638 | if (*p != ' ') { |
| 639 | break; |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | /* see if we have a non-lyrics before the lyric */ |
| 644 | if ( *p == '<') { |
| 645 | |
| 646 | /* we do have a non-lyric. Put in the header, and copy up |
| 647 | * to the '>', keeping track of any font/size changes |
| 648 | * along the way */ |
| 649 | if (*(p+1) == '^') { |
| 650 | sylbuff[i++] = (char) STR_U_PRE; |
| 651 | p++; |
| 652 | } |
| 653 | else { |
| 654 | sylbuff[i++] = (char) STR_PRE; |
| 655 | } |
| 656 | p++; |
| 657 | COPY_LYR(sylbuff, i, p, '>', font_p, size_p); |
| 658 | |
| 659 | /* add in the > marker */ |
| 660 | sylbuff[i++] = (char) STR_PRE_END; |
| 661 | if (*p == '\0') { |
| 662 | yyerror("missing '>' in lyric"); |
| 663 | } |
| 664 | else { |
| 665 | p++; |
| 666 | } |
| 667 | } |
| 668 | |
| 669 | /* see if user gave a position value */ |
| 670 | if (*p == '|') { |
| 671 | /* use default value from parameter */ |
| 672 | *position_p = svpath(staffno, SYLPOSITION)->sylposition; |
| 673 | p++; |
| 674 | } |
| 675 | else if ( isdigit(*p) || |
| 676 | ( (*p == '-' || *p == '+') && isdigit(*(p+1)) ) ) { |
| 677 | char *after_num_p; |
| 678 | int value; |
| 679 | |
| 680 | /* if there is a pipe after the number, it's a position */ |
| 681 | value = strtol(p, &after_num_p, 10); |
| 682 | if ( *after_num_p == '|') { |
| 683 | *position_p = value; |
| 684 | p = after_num_p + 1; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | /* now collect the lyric syllable itself */ |
| 689 | for ( done = NO; *p != '\0' && i < BUFSIZ; p++) { |
| 690 | |
| 691 | switch ( (unsigned) *p & 0xff) { |
| 692 | |
| 693 | case ' ': |
| 694 | case '\t': |
| 695 | /* definitely end of this lyric syllable */ |
| 696 | done = YES; |
| 697 | break; |
| 698 | |
| 699 | |
| 700 | case '~': |
| 701 | /* two syllables joined into one. Replace the ~ |
| 702 | * by a space */ |
| 703 | sylbuff[i++] = ' '; |
| 704 | p++; |
| 705 | break; |
| 706 | |
| 707 | case '-': |
| 708 | case '_': |
| 709 | /* end of syllable */ |
| 710 | /* need to peek ahead to check for non-lyric following */ |
| 711 | sylbuff[i++] = *p++; |
| 712 | if ( *p != '<') { |
| 713 | done = YES; |
| 714 | break; |
| 715 | } |
| 716 | /*FALLTHRU*/ |
| 717 | |
| 718 | case '<': |
| 719 | if (*(p+1) == '^') { |
| 720 | sylbuff[i++] = (char) STR_U_PST; |
| 721 | p++; |
| 722 | } |
| 723 | else { |
| 724 | sylbuff[i++] = (char) STR_PST; |
| 725 | } |
| 726 | p++; |
| 727 | COPY_LYR(sylbuff, i, p, '>', font_p, size_p); |
| 728 | |
| 729 | sylbuff[i++] = (char) STR_PST_END; |
| 730 | p++; |
| 731 | /* A ~ joins this syllable with the next to make |
| 732 | * them effectively one, but anything else ends |
| 733 | * the syllable. But copy - or _ if they are there */ |
| 734 | if ( *p != '~') { |
| 735 | if (*p == '-' || *p == '_') { |
| 736 | sylbuff[i++] = *p++; |
| 737 | } |
| 738 | done = YES; |
| 739 | } |
| 740 | break; |
| 741 | |
| 742 | case STR_FONT: |
| 743 | sylbuff[i++] = *p++; |
| 744 | *font_p = *p; |
| 745 | #ifdef EXTCHAR |
| 746 | if (*font_p >= FONT_XTR) { |
| 747 | sylbuff[i++] = *p++; |
| 748 | } |
| 749 | #endif |
| 750 | break; |
| 751 | |
| 752 | case STR_SIZE: |
| 753 | sylbuff[i++] = *p++; |
| 754 | *size_p = *p; |
| 755 | break; |
| 756 | |
| 757 | case STR_BACKSPACE: |
| 758 | sylbuff[i++] = *p++; |
| 759 | break; |
| 760 | |
| 761 | case STR_MUS_CHAR: |
| 762 | sylbuff[i++] = *p++; |
| 763 | sylbuff[i++] = *p++; |
| 764 | break; |
| 765 | |
| 766 | case STR_BOX: |
| 767 | yyerror("boxed text not allowed in lyrics"); |
| 768 | break; |
| 769 | |
| 770 | case STR_BOX_END: |
| 771 | break; |
| 772 | |
| 773 | case STR_CIR: |
| 774 | yyerror("circled text not allowed in lyrics"); |
| 775 | break; |
| 776 | |
| 777 | case STR_CIR_END: |
| 778 | break; |
| 779 | |
| 780 | case STR_PILE: |
| 781 | yyerror("\\: not allowed in lyric syllable"); |
| 782 | break; |
| 783 | |
| 784 | case STR_C_ALIGN: |
| 785 | case STR_L_ALIGN: |
| 786 | yyerror("alignment not allowed in lyric syllable"); |
| 787 | break; |
| 788 | |
| 789 | default: |
| 790 | break; |
| 791 | } |
| 792 | |
| 793 | if (done == NO) { |
| 794 | sylbuff[i++] = *p; |
| 795 | } |
| 796 | else { |
| 797 | break; |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | sylbuff[i] = '\0'; |
| 802 | |
| 803 | if (i == 0) { |
| 804 | yyerror("too few syllables in string"); |
| 805 | } |
| 806 | |
| 807 | /* prepare for next call to this function */ |
| 808 | *sylstring_p = p; |
| 809 | |
| 810 | /* return a copy of the extracted syllable */ |
| 811 | return(copy_string(sylbuff, font, size)); |
| 812 | } |
| 813 | \f |
| 814 | |
| 815 | /* given a syllable string, return the width (in inches) of the non-lyric |
| 816 | * parts and of the actual syllable */ |
| 817 | |
| 818 | void |
| 819 | sylwidth(lyrstring, wid_b4_syl_p, wid_real_syl_p, wid_after_syl_p) |
| 820 | |
| 821 | char *lyrstring; |
| 822 | float *wid_b4_syl_p; /* width of leading non-lyrics will be put here */ |
| 823 | float *wid_real_syl_p; /* width of actual syllable will be put here */ |
| 824 | float *wid_after_syl_p; /* width of trailing non-lyric will be put here */ |
| 825 | |
| 826 | { |
| 827 | do_sylwidth(lyrstring, wid_b4_syl_p, wid_real_syl_p, wid_after_syl_p, |
| 828 | NO); |
| 829 | } |
| 830 | \f |
| 831 | |
| 832 | /* find width of syllable and <...> things. When called in placement phase |
| 833 | * we count the <^...> and don't count <...>. When called in print phase |
| 834 | * we do the opposite to compensate. |
| 835 | */ |
| 836 | |
| 837 | static void |
| 838 | do_sylwidth(lyrstring, wid_b4_syl_p, wid_real_syl_p, wid_after_syl_p, |
| 839 | compensating) |
| 840 | |
| 841 | char *lyrstring; |
| 842 | float *wid_b4_syl_p; /* width of leading non-lyrics will be put here */ |
| 843 | float *wid_real_syl_p; /* width of actual syllable will be put here */ |
| 844 | float *wid_after_syl_p; /* width of trailing non-lyric will be put here */ |
| 845 | int compensating; /* YES if being called from print phrase when we |
| 846 | * have to compensate for the fact that <...> may |
| 847 | * not have been used in placement. */ |
| 848 | |
| 849 | { |
| 850 | int pre_counts = NO; /* if pre width should be included */ |
| 851 | int post_counts = NO; /* if post width should be included */ |
| 852 | int had_post = NO; /* if had post <...> */ |
| 853 | float w1 = 0.0; /* width of pre */ |
| 854 | float w2 = 0.0; /* width of pre + syllable */ |
| 855 | float w3; /* width of entire string */ |
| 856 | char *p; |
| 857 | char save; /* temp storage */ |
| 858 | |
| 859 | |
| 860 | if (lyrstring == (char *) 0) { |
| 861 | *wid_b4_syl_p = *wid_real_syl_p = *wid_after_syl_p = 0.0; |
| 862 | return; |
| 863 | } |
| 864 | |
| 865 | for (p = lyrstring; *p != '\0'; p++) { |
| 866 | switch ( (unsigned) *p & 0xff) { |
| 867 | case STR_PRE: |
| 868 | if (compensating == YES) { |
| 869 | pre_counts = YES; |
| 870 | } |
| 871 | break; |
| 872 | case STR_U_PRE: |
| 873 | if (compensating == NO) { |
| 874 | pre_counts = YES; |
| 875 | } |
| 876 | break; |
| 877 | case STR_PRE_END: |
| 878 | /* get width of string so far. Temporarily shorten |
| 879 | * string to this point and get its length. This |
| 880 | * will be the length of the preceeding <...> */ |
| 881 | *p = '\0'; |
| 882 | w1 = strwidth(lyrstring); |
| 883 | *p = (char) STR_PRE_END; |
| 884 | break; |
| 885 | case STR_U_PST: |
| 886 | /* get width of string so far. Temporarily shorten |
| 887 | * string to this point and get its length. This |
| 888 | * will be the length of the syllable and its |
| 889 | * preceeding <...> */ |
| 890 | if (compensating == NO) { |
| 891 | post_counts = YES; |
| 892 | } |
| 893 | save = *p; |
| 894 | *p = '\0'; |
| 895 | w2 = strwidth(lyrstring); |
| 896 | *p = save; |
| 897 | had_post = YES; |
| 898 | break; |
| 899 | case STR_PST: |
| 900 | if (compensating == YES) { |
| 901 | post_counts = YES; |
| 902 | } |
| 903 | save = *p; |
| 904 | *p = '\0'; |
| 905 | w2 = strwidth(lyrstring); |
| 906 | *p = save; |
| 907 | had_post = YES; |
| 908 | break; |
| 909 | default: |
| 910 | break; |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | /* get length of entire string */ |
| 915 | w3 = strwidth(lyrstring); |
| 916 | |
| 917 | /* if there wasn't a post <...> we didn't yet get the width of |
| 918 | * the syllable plus preceeding <...> */ |
| 919 | if (had_post == NO) { |
| 920 | w2 = w3; |
| 921 | } |
| 922 | |
| 923 | /* now calculate and return the widths */ |
| 924 | *wid_b4_syl_p = (pre_counts == YES ? w1 : 0.0); |
| 925 | *wid_real_syl_p = w2 - w1; |
| 926 | *wid_after_syl_p = (post_counts == YES ? w3 - w2 : 0.0); |
| 927 | } |
| 928 | \f |
| 929 | |
| 930 | /* during placement phase, <...> things were used or not used as appropriate |
| 931 | * for setting placement. During print phrase, we do the opposite to |
| 932 | * compensate, and update the group east and west boundaries as necessary */ |
| 933 | void |
| 934 | lyr_compensate(gs_p) |
| 935 | |
| 936 | struct GRPSYL *gs_p; |
| 937 | |
| 938 | { |
| 939 | float pre_wid, syl_wid, post_wid; |
| 940 | |
| 941 | do_sylwidth(gs_p->syl, &pre_wid, &syl_wid, &post_wid, YES); |
| 942 | gs_p->c[AW] -= pre_wid; |
| 943 | gs_p->c[AE] += post_wid; |
| 944 | } |
| 945 | \f |
| 946 | |
| 947 | /* every time a verse number is used, see whether we've already had that |
| 948 | * verse number before. if not, add it to the list of verse numbers used. */ |
| 949 | /* We could keep each range of defined verses in a RANGELIST, so that, |
| 950 | * for example, 1-3 could be keep in a single struct. However, trying to |
| 951 | * coalese the list could get very hairy, so do the simple-minded way of |
| 952 | * saving each unique verse number in its own struct. We could also |
| 953 | * insertion sort the list, but rarely will there be more than a couple |
| 954 | * verses, and inserting into a singly linked list takes a slight amount |
| 955 | * of work, so be very lazy and just search the whole list each time and |
| 956 | * insert at beginning if need to add to list. */ |
| 957 | |
| 958 | static void |
| 959 | vno_used(vno) |
| 960 | |
| 961 | int vno; /* the verse number to check */ |
| 962 | |
| 963 | { |
| 964 | struct RANGELIST *v_p; /* to walk through list of verse nums used */ |
| 965 | struct RANGELIST **list_p_p; /* which list to check */ |
| 966 | |
| 967 | |
| 968 | switch (Place) { |
| 969 | case PL_ABOVE: |
| 970 | list_p_p = &Above_vnumbers_used; |
| 971 | break; |
| 972 | case PL_BETWEEN: |
| 973 | list_p_p = &Between_vnumbers_used; |
| 974 | break; |
| 975 | case PL_BELOW: |
| 976 | case PL_UNKNOWN: |
| 977 | list_p_p = &Below_vnumbers_used; |
| 978 | break; |
| 979 | default: |
| 980 | pfatal("illegal place in vno_used"); |
| 981 | /*NOTREACHED*/ |
| 982 | return; |
| 983 | } |
| 984 | |
| 985 | /* see if this verse is already on the list */ |
| 986 | for (v_p = *list_p_p; v_p != (struct RANGELIST *) 0; v_p = v_p->next) { |
| 987 | if (v_p->begin == vno) { |
| 988 | /* already had this verse before */ |
| 989 | return; |
| 990 | } |
| 991 | } |
| 992 | |
| 993 | /* must not have seen this verse number before, so add it */ |
| 994 | CALLOC(RANGELIST, v_p, 1); |
| 995 | v_p->begin = (short) vno; |
| 996 | /* ->end is not used in this list */ |
| 997 | v_p->next = *list_p_p; |
| 998 | *list_p_p = v_p; |
| 999 | } |
| 1000 | \f |
| 1001 | |
| 1002 | /* when parsing is complete, we can find out how many unique verse numbers |
| 1003 | * there were in the input */ |
| 1004 | |
| 1005 | void |
| 1006 | set_maxverses() |
| 1007 | { |
| 1008 | debug(4, "set_maxverses"); |
| 1009 | |
| 1010 | count_verses(Above_vnumbers_used); |
| 1011 | count_verses(Below_vnumbers_used); |
| 1012 | count_verses(Between_vnumbers_used); |
| 1013 | } |
| 1014 | |
| 1015 | /* recursively walk down list of verse numbers used. Count them up and |
| 1016 | * free them while unwinding */ |
| 1017 | |
| 1018 | static void |
| 1019 | count_verses(used_p) |
| 1020 | |
| 1021 | struct RANGELIST *used_p; |
| 1022 | |
| 1023 | { |
| 1024 | if (used_p == (struct RANGELIST *) 0) { |
| 1025 | return; |
| 1026 | } |
| 1027 | |
| 1028 | count_verses(used_p->next); |
| 1029 | Maxverses++; |
| 1030 | FREE(used_p); |
| 1031 | } |
| 1032 | \f |
| 1033 | |
| 1034 | /* Return pointer to the SSV that contains the default timeunit information |
| 1035 | * for verses being defined. Make sure if there are multiple staffs |
| 1036 | * being defined, they all have the same default timeunit. If there is only |
| 1037 | * one voice on the staff, use that for default. If there are 2 voices, if the |
| 1038 | * place is PL_ABOVE use voice 1, otherwise use voice 2. */ |
| 1039 | |
| 1040 | struct SSV * |
| 1041 | get_lyr_dflt_timeunit_ssv() |
| 1042 | |
| 1043 | { |
| 1044 | struct RANGELIST *staffrange_p; /* to index through list of staffs */ |
| 1045 | struct SSV *ssv_p; /* containing relevent timeunit */ |
| 1046 | struct SSV *ref_ssv_p; /* to ensure consistency */ |
| 1047 | RATIONAL timeunit; /* timeunit for current staff */ |
| 1048 | RATIONAL reference_timeunit; /* the timeunit found on previous |
| 1049 | * staff, for comparison to make sure |
| 1050 | * they are the same */ |
| 1051 | int staff; |
| 1052 | |
| 1053 | |
| 1054 | reference_timeunit = Zero; |
| 1055 | /* if all else fails, use Score value */ |
| 1056 | ssv_p = ref_ssv_p = &Score; |
| 1057 | |
| 1058 | /* go down the list of staffs, get timeunit for each */ |
| 1059 | for (staffrange_p = Staffrange_p; |
| 1060 | staffrange_p != (struct RANGELIST *) 0; |
| 1061 | staffrange_p = staffrange_p->next) { |
| 1062 | |
| 1063 | for (staff = staffrange_p->begin; staff <= staffrange_p->end; |
| 1064 | staff++) { |
| 1065 | |
| 1066 | /* get appropriate default timeunit value */ |
| 1067 | if (svpath(staff, VSCHEME)->vscheme == V_1 || |
| 1068 | Place == PL_ABOVE) { |
| 1069 | ssv_p = vvpath(staff, 1, TIMEUNIT); |
| 1070 | } |
| 1071 | else { |
| 1072 | ssv_p = vvpath(staff, 2, TIMEUNIT); |
| 1073 | } |
| 1074 | timeunit = ssv_p->timeunit; |
| 1075 | |
| 1076 | /* check for consistency */ |
| 1077 | if ( NE(reference_timeunit, Zero) ) { |
| 1078 | if ( NE(timeunit, reference_timeunit) || |
| 1079 | timelists_equal( |
| 1080 | ssv_p->timelist_p, |
| 1081 | ref_ssv_p->timelist_p) == NO) { |
| 1082 | /* have a mis-match. Give error message, |
| 1083 | * and return the first timeunit we got. |
| 1084 | * No reason to check any more, because |
| 1085 | * all that may happen is that we'll |
| 1086 | * print lots more error messages for |
| 1087 | * the same problem. */ |
| 1088 | yyerror("timeunit value must be the same for all lyric staffs being defined on the same input line"); |
| 1089 | return(ssv_p); |
| 1090 | } |
| 1091 | } |
| 1092 | else { |
| 1093 | /* first time through. Now we have a timeunit |
| 1094 | * to use for default */ |
| 1095 | reference_timeunit = timeunit; |
| 1096 | ref_ssv_p = ssv_p; |
| 1097 | } |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | /* Used to pfatal if couldn't find default value. However, that can |
| 1102 | * happen if user specifies an invalid staff number, so that isn't |
| 1103 | * a program bug, but a user error. The user error would already have |
| 1104 | * been flagged, so no reason to complain at all here */ |
| 1105 | |
| 1106 | return(ssv_p); |
| 1107 | } |
| 1108 | \f |
| 1109 | |
| 1110 | /* user wants us to derive the lyrics time values from corresponding music |
| 1111 | * time values. Find the proper list of GRPSYLs to copy time values from, |
| 1112 | * and make a copy of that list, with field set properly for lyrics. */ |
| 1113 | |
| 1114 | struct GRPSYL * |
| 1115 | derive_lyrtime() |
| 1116 | |
| 1117 | { |
| 1118 | struct MAINLL *mll_p; /* to find STAFF to derive from */ |
| 1119 | struct GRPSYL *new_list_p; /* the list of derived time values */ |
| 1120 | struct GRPSYL *gs_p; /* to walk through new_list_p */ |
| 1121 | struct GRPSYL *ref_gs_p; /* to walk through the reference list-- |
| 1122 | * the list we are deriving from */ |
| 1123 | int staff, voice; /* which list of GRPSYLs to clone */ |
| 1124 | |
| 1125 | |
| 1126 | /* If there are no staffs associated with these lyrics, then nothing |
| 1127 | * to do here. We should have already printed an error elsewhere */ |
| 1128 | if (Staffrange_p == (struct RANGELIST *) 0) { |
| 1129 | return (struct GRPSYL *) 0; |
| 1130 | } |
| 1131 | |
| 1132 | /* find the proper music GRPSYL from which to derive time values */ |
| 1133 | staff = leadstaff(); |
| 1134 | for (mll_p = Mainlltc_p; mll_p != (struct MAINLL *) 0; |
| 1135 | mll_p = mll_p->prev) { |
| 1136 | |
| 1137 | /* if back up all the way to a bar, user hasn't defined the |
| 1138 | * right staff's music input yet */ |
| 1139 | if (mll_p->str == S_BAR) { |
| 1140 | /* pretend we fell off top of list and break out. |
| 1141 | * That way we only need one copy of error message code */ |
| 1142 | mll_p = (struct MAINLL *) 0; |
| 1143 | break; |
| 1144 | } |
| 1145 | if (mll_p->str == S_STAFF && mll_p->u.staff_p->staffno == staff) { |
| 1146 | /* found the right staff data */ |
| 1147 | break; |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | if (mll_p == (struct MAINLL *) 0) { |
| 1152 | l_yyerror(Curr_filename, yylineno, |
| 1153 | "can't derive lyrics time values: staff %d music not defined yet", staff); |
| 1154 | return (struct GRPSYL *) 0; |
| 1155 | } |
| 1156 | |
| 1157 | /* usually use voice 1 of first staff specified. Only exceptions |
| 1158 | * are if voice 1 is invisible or nonexistent or if explicitly below, |
| 1159 | * and there is a visible voice 2, in which case voice 2 is used */ |
| 1160 | voice = 0; |
| 1161 | if ((vvpath(staff, 1, VISIBLE)->visible == NO || |
| 1162 | mll_p->u.staff_p->groups_p[0] == (struct GRPSYL *) 0 |
| 1163 | || Place == PL_BELOW) |
| 1164 | && mll_p->u.staff_p->groups_p[1] != (struct GRPSYL *) 0 |
| 1165 | && vvpath(staff, 2, VISIBLE)->visible == YES) { |
| 1166 | voice = 1; |
| 1167 | } |
| 1168 | /* One more exception. If both voices are invisible, but we would |
| 1169 | * have used voice 2 if it was visible, use voice 2. Otherwise |
| 1170 | * if times would normally be derived from voice 2, but the |
| 1171 | * whole staff is invisible, we could derive the wrong values. */ |
| 1172 | if (vvpath(staff, 1, VISIBLE)->visible == NO && |
| 1173 | vvpath(staff, 2, VISIBLE)->visible == NO && |
| 1174 | mll_p->u.staff_p->groups_p[1] != (struct GRPSYL *) 0 && |
| 1175 | Place == PL_BELOW) { |
| 1176 | voice = 1; |
| 1177 | } |
| 1178 | |
| 1179 | if (mll_p->u.staff_p->groups_p[voice] == (struct GRPSYL *) 0) { |
| 1180 | l_yyerror(Curr_filename, yylineno, |
| 1181 | "can't derive lyrics time values: staff %d voice %d music not defined yet", staff, voice + 1); |
| 1182 | return (struct GRPSYL *) 0; |
| 1183 | } |
| 1184 | |
| 1185 | new_list_p = clone_gs_list(mll_p->u.staff_p->groups_p[voice], NO); |
| 1186 | |
| 1187 | /* grace notes don't count in the time derivation, so remove |
| 1188 | * them from the cloned list */ |
| 1189 | for (gs_p = new_list_p; gs_p != (struct GRPSYL *) 0; gs_p = gs_p->next) { |
| 1190 | if (gs_p->grpvalue == GV_ZERO) { |
| 1191 | struct GRPSYL *to_free_p; |
| 1192 | to_free_p = gs_p; |
| 1193 | if (gs_p->prev == 0) { |
| 1194 | new_list_p = gs_p->next; |
| 1195 | } |
| 1196 | else { |
| 1197 | gs_p->prev->next = gs_p->next; |
| 1198 | } |
| 1199 | /* Note that there should always be a 'next' after |
| 1200 | * a grace note, so this 'if' shouldn't really be |
| 1201 | * necessary, but it is here as defensive code. */ |
| 1202 | if (gs_p->next != 0) { |
| 1203 | gs_p->next->prev = gs_p->prev; |
| 1204 | } |
| 1205 | FREE(to_free_p); |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | /* go through cloned list, changing type to lyrics and changing rests |
| 1210 | * in the music to spaces for the lyrics. Also deal with ties and slurs, |
| 1211 | * since notes that are tied or slurred to will be treated like a |
| 1212 | * space, since there is probably only a single syllable wanted. */ |
| 1213 | for (gs_p = new_list_p, ref_gs_p = mll_p->u.staff_p->groups_p[voice]; |
| 1214 | gs_p != (struct GRPSYL *) 0; |
| 1215 | gs_p = gs_p->next, ref_gs_p = ref_gs_p->next) { |
| 1216 | /* Skip graces in reference list. (There aren't any in |
| 1217 | * the new list since we removed them above.) */ |
| 1218 | while (ref_gs_p->grpvalue == GV_ZERO) { |
| 1219 | ref_gs_p = ref_gs_p->next; |
| 1220 | if (ref_gs_p == 0) { |
| 1221 | /* should be impossible to get here */ |
| 1222 | pfatal("unexpected null ref_gs_p in derive_lyrtime"); |
| 1223 | } |
| 1224 | } |
| 1225 | |
| 1226 | gs_p->grpsyl = GS_SYLLABLE; |
| 1227 | if (ref_gs_p->grpcont == GC_REST) { |
| 1228 | gs_p->grpcont = GC_SPACE; |
| 1229 | } |
| 1230 | else if (ref_gs_p->grpcont == GC_NOTES && ref_gs_p->nnotes > 0) { |
| 1231 | /* if the top note of the chord is tied or slurred, |
| 1232 | * or the entire chord is tied, |
| 1233 | * make the following lyrics GRPSYL, if any, a space. */ |
| 1234 | if ((ref_gs_p->notelist[0].tie == YES || |
| 1235 | ref_gs_p->tie == YES || |
| 1236 | ref_gs_p->notelist[0].nslurto > 0) && |
| 1237 | gs_p->next != (struct GRPSYL *) 0) { |
| 1238 | gs_p->next->grpcont = GC_SPACE; |
| 1239 | } |
| 1240 | } |
| 1241 | } |
| 1242 | |
| 1243 | /* One more detail: if the first note was tied-to or slurred-to from |
| 1244 | * the previous measure, we have to change that to a space. To do that, |
| 1245 | * we call prevgrpsyl, but it expects the staffno and vno to be filled |
| 1246 | * in on the GRPSYL passed to it, and we're so early in parsing that |
| 1247 | * that hasn't happened yet. So first have to patch that up. Later on, |
| 1248 | * all the GRPSYLs will get the staffno and vno filled in, but it won't |
| 1249 | * hurt anything that we've already done this one here; they will |
| 1250 | * just be overwritten with the same values. */ |
| 1251 | ref_gs_p = mll_p->u.staff_p->groups_p[voice]; |
| 1252 | ref_gs_p->staffno = mll_p->u.staff_p->staffno; |
| 1253 | ref_gs_p->vno = voice + 1; |
| 1254 | if ((gs_p = prevgrpsyl(ref_gs_p, &mll_p)) != (struct GRPSYL *) 0) { |
| 1255 | if (gs_p->grpcont == GC_NOTES && gs_p->nnotes > 0) { |
| 1256 | if (gs_p->notelist[0].tie == YES || |
| 1257 | gs_p->tie == YES || |
| 1258 | gs_p->notelist[0].nslurto > 0) { |
| 1259 | new_list_p->grpcont = GC_SPACE; |
| 1260 | } |
| 1261 | } |
| 1262 | } |
| 1263 | |
| 1264 | return (new_list_p); |
| 1265 | } |
| 1266 | |