2 * Parsing of the structure of the YPP client's displayed image
5 * This is part of ypp-sc-tools, a set of third-party tools for assisting
6 * players of Yohoho Puzzle Pirates.
8 * Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 * Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
24 * are used without permission. This program is not endorsed or
25 * sponsored by Three Rings.
28 #include "structure.h"
30 static const CanonImage *cim;
32 static inline char get(int x, int y) { return cim->d[y * cim->w + x]; }
33 static inline char get_p(Point p) { return get(p.x,p.y); }
35 DEBUG_DEFINE_DEBUGF(struct)
37 #define START_MAIN {200,200}
39 #define INTERESTING_COLUMNS 7
40 #define TEXT_COLUMNS 2
43 static Rect mainr = { START_MAIN,START_MAIN };
44 static int commbasey, comminty;
45 static int colrightx[INTERESTING_COLUMNS];
46 static int text_h=-1, columns=-1;
49 char *archipelago, *island;
51 #define OTHERCOORD_x y
52 #define OTHERCOORD_y x
54 const CanonColourInfo canoncolourinfos[]= {
55 { 0x475A5E, '*' }, /* edge */
56 { 0x2C5F7A, '*' }, /* edge just under box heading shadow */
57 { 0xC5C7AE, '*' }, /* blank area of partial commodities list */
58 { 0x6B828C, '*' }, /* background of ship status meter area */
59 { 0x934405, '*' }, /* border of ship meter area */
60 { 0x7D9094, '+' }, /* interbox */
61 { 0x022158, 'O' }, /* ahoy /w output foreground */
62 { 0xB5B686, 'H' }, /* ahoy /w output heading background */
64 { 0xBDC5BF, ' ' }, /* background - pale Sugar cane, etc. */
65 { 0xADB5AF, ' ' }, /* background - dark */
66 { 0xC7E1C3, ' ' }, /* background - pale Swill, etc. */
67 { 0xB5CFB1, ' ' }, /* background - dark */
68 { 0xD6CEB0, ' ' }, /* background - pale Madder, etc. */
69 { 0xC8C0A2, ' ' }, /* background - dark */
70 { 0xE0E1D3, ' ' }, /* background - pale Lorandite, etc. */
71 { 0xD0D1C3, ' ' }, /* background - dark */
72 { 0xE5E6C1, ' ' }, /* background - pale Cloth */
73 { 0xD7D8B3, ' ' }, /* background - dark */
74 { 0xEDDED9, ' ' }, /* background - pale Dye */
75 { 0xDACBC6, ' ' }, /* background - dark */
76 { 0xD3DEDF, ' ' }, /* background - pale Paint */
77 { 0xC5D0D1, ' ' }, /* background - dark */
78 { 0xDCD1CF, ' ' }, /* background - pale Enamel */
79 { 0xCEC3C1, ' ' }, /* background - dark */
80 { 0xF3F6F5, ' ' }, /* background - pale fruit */
81 { 0xE2E7E5, ' ' }, /* background - dark */
83 { 0x000000, 'o' }, /* foreground */
84 { 0xD4B356, ' ' }, /* background (cursor) */
85 { 0xFFFFFF, 'o' }, /* foreground (cursor) */
87 { 0x5B93BF, '_' }, /* selector dropdown background */
88 { 0xD7C94F, 'X' }, /* selector dropdown foreground */
93 static void mustfail1(const char *file, int line, const char *what) {
96 "Unable to figure out contents of YPP client display.\n"
97 "Please check the following:\n"
98 " * YPP client is showing commodity listing screen\n"
99 " * YPP client has antialiased text turned off (Ye / Options / General)\n"
100 " * YPP client window is on top (we try to raise it but your window\n"
101 " manager might have prevented that from succeeding)\n"
102 " * Your X display is 24bpp (NB some VNC servers use 16bpp by default)\n"
104 "If all of these are true, please report this as a fault.\n\n"
106 " %s:%d: requirement failed:\n"
110 static void mustfail2(void) NORET;
111 static void mustfail2(void) {
112 fprintf(stderr, "\n\nGiving up.\n");
116 #define MUST(x, ifnot) do{ \
118 mustfail1(__FILE__,__LINE__,#x); \
124 #define MP(v) fprintf(stderr," %s=%d,%d",#v,(v).x,(v).y)
125 #define MI(v) fprintf(stderr," %s=%d", #v,(v))
126 #define MC(v) fprintf(stderr," %s='%c'", #v,(v))
127 #define MS(v) fprintf(stderr," %s=\"%s\"", #v,(v))
128 #define MSB(v) fprintf(stderr," %s", (v))
129 #define MR(v) fprintf(stderr," %s=%d,%d..%d,%d",\
130 #v,(v).tl.x,(v).tl.y,(v).br.x,(v).br.y)
133 #define REQUIRE_RECTANGLE(tlx,tly,brx,bry,ok) \
134 require_rectangle(tlx, tly, brx, bry, ok, __LINE__);
136 static void require_rectangle(int tlx, int tly, int brx, int bry,
137 const char *ok, int lineno) {
139 for (p.x=tlx; p.x<=brx; p.x++)
140 for (p.y=tly; p.y<=bry; p.y++) {
142 MUST( strchr(ok,c), ({
143 Rect rm={{tlx,tly},{brx,bry}};
144 MI(lineno),MR(rm);MP(p);MS(ok);
148 static void require_rectangle_r(Rect rr, const char *ok, int lineno) {
149 require_rectangle(rr.tl.x,rr.tl.y, rr.br.x,rr.br.y, ok, lineno);
152 static void debug_rect(const char *what, int whati, Rect rr) {
153 if (!DEBUGP(rect)) return;
155 fprintf(debug, "%s %d: %d,%d..%d,%d:\n", what, whati,
156 rr.tl.x,rr.tl.y, rr.br.x,rr.br.y);
157 w= rr.br.x - rr.tl.x + 1;
158 for (y=rr.tl.y; y<=rr.br.y; y++) {
159 fprintf(debug, "%4d%*s|", y, rr.tl.x,"");
160 fwrite(cim->d + y*cim->w + rr.tl.x, 1, w, debug);
167 static int commod_selector_matches(Rect search, const char *const *all,
168 int allh, int allw) {
169 int alloffy, alloffx;
170 for (alloffy=0; alloffy < search.br.y; alloffy++) {
171 if (alloffy+allh-1 < search.tl.y) continue;
172 for (alloffx=search.tl.x; alloffx+allw-1 <= search.br.x; alloffx++) {
175 for (x=0; x<allw; x++)
176 for (y=0; y<allh; y++) {
178 if (want==' ') continue;
179 if (get(alloffx+x, alloffy+y) == want)
184 debugf("CHECKCOMMOD alloff=%d,%d good=%d bad=%d\n",
185 alloffx,alloffy, good,bad);
193 #define WALK_UNTIL(point,coord,increm,last,edge) \
195 if ((point).coord == (last)+(increm)) break; \
196 if (get_p((point)) == (edge)) { (point).coord -= (increm); break; } \
197 (point).coord += (increm); \
200 #define WALK_UNTIL_MUST(point,coord,increm,last,edge) \
202 WALK_UNTIL(point,coord,increm,last,edge); \
203 MUST( (point).coord != (last)+(increm), \
204 MP(point); MI(increm); MI(last); MC(edge); \
208 #define ADJUST_BOX(search,insidechrs,want, lim,LIMIT_MUST, TLBR,XY,increm) \
210 LIMIT_MUST( (search).tl.XY != (search).br.XY && \
211 (search).tl.XY != (lim), \
212 MR((search));MSB(#TLBR);MSB(#XY) ); \
214 Point p=(search).tl; \
215 for (p.XY=(search).TLBR.XY; \
216 p.OTHERCOORD_##XY <= (search).br.OTHERCOORD_##XY; \
217 p.OTHERCOORD_##XY++) \
218 got += !!strchr(insidechrs, get_p(p)); \
221 (search).TLBR.XY += increm; \
224 void find_structure(const CanonImage *im, int *max_relevant_y_r) {
227 Rect whole = { {0,0}, {cim->w-1,cim->h-1} };
231 for (y=0, xscaleunit=1; y<4; y++, xscaleunit*=10) {
233 for (x=0; x<=cim->w; x++) {
234 if (x % xscaleunit) fputc(' ',debug);
235 else fprintf(debug,"%d",(x / xscaleunit)%10);
241 WALK_UNTIL_MUST(mainr.tl, x,-1, whole.tl.x, '*');
242 WALK_UNTIL_MUST(mainr.tl, y,-1, whole.tl.y, '*');
243 WALK_UNTIL_MUST(mainr.br, x,+1, whole.br.x, '*');
244 WALK_UNTIL_MUST(mainr.br, y,+1, whole.br.y, '*');
246 REQUIRE_RECTANGLE(mainr.tl.x-1, mainr.tl.y, mainr.tl.x-1, mainr.br.y, "*");
247 REQUIRE_RECTANGLE(mainr.br.x+1, mainr.tl.y, mainr.br.x+1, mainr.br.y, "*");
248 REQUIRE_RECTANGLE(mainr.tl.x, mainr.tl.y-1, mainr.br.x, mainr.tl.y-1, "*");
249 REQUIRE_RECTANGLE(mainr.tl.x, mainr.br.y+1, mainr.br.x, mainr.br.y+1, "*");
251 #define CHECK_STRIP_BORDER(tlbr,xy,increm) \
256 csb_p.xy= mainr.tlbr.xy; \
257 if (get_p(csb_p)=='+') { \
259 csb_r.tl.xy= csb_p.xy; \
260 csb_r.br.xy= csb_p.xy; \
261 require_rectangle_r(csb_r, "+", __LINE__); \
262 mainr.tlbr.xy += increm; \
266 debug_rect("mainr",0, mainr);
268 CHECK_STRIP_BORDER(tl,x,+1);
269 CHECK_STRIP_BORDER(tl,y,+1);
270 CHECK_STRIP_BORDER(br,x,-1);
271 CHECK_STRIP_BORDER(br,y,-1);
273 debug_rect("mainr",1, mainr);
275 Point up = START_MAIN;
276 WALK_UNTIL_MUST(up, y,-1, mainr.tl.y, '+');
278 Point down = START_MAIN;
280 WALK_UNTIL_MUST(down, y,+1, mainr.br.y, '+');
283 comminty= down.y - up.y + 2;
285 Point across= { mainr.tl.x, commbasey };
288 MUST( get_p(across) != '+', MI(colno);MP(across);MR(mainr);MI(commbasey) );
289 WALK_UNTIL(across, x,+1, mainr.br.x, '+');
290 MUST( colno < MAX_COLUMNS, MP(across);MR(mainr);MI(commbasey); );
292 if (colrx > mainr.br.x) colrx= mainr.br.x;
293 if (colno < INTERESTING_COLUMNS)
294 colrightx[colno]= colrx;
298 if (across.x >= mainr.br.x-1)
302 REQUIRE_RECTANGLE(across.x,mainr.tl.y, across.x,mainr.br.y, "+");
305 MUST( colno >= MIN_COLUMNS, MI(colno);MR(mainr);MP(across); );
307 #define SET_ONCE(var,val) do{ \
309 if ((var)==-1) (var)= v; \
310 else MUST( (var) == v, MSB(#var);MI((var));MI(v);MR(mainr); ); \
313 SET_ONCE(columns, colno);
314 SET_ONCE(text_h, comminty - 1);
315 if (max_relevant_y_r)
316 SET_ONCE(*max_relevant_y_r, mainr.br.y + 10);
319 void check_correct_commodities(void) {
320 Rect search= { { 50,39 }, { 130,59 } };
322 ADJUST_BOX(search,"_",10, cim->h, MUST, tl,y,+1);
323 ADJUST_BOX(search,"_",10, 0, MUST, br,y,-1);
325 debug_rect("commodselr",1, search);
327 static const char *all_small[]= {
328 " ___________________________________ ",
329 " ________X____X__X____________________ ",
330 " ________ X___ X_ X_____XXXXXXXXXXX_____ ",
331 "_________X_X__ X_ X______XXXXXXXXX_______",
332 "________ X X__ X_ X_______XXXXXXX________",
333 "________X_ _X_ X_ X________XXXXX_________",
334 "_______ X__ X_ X_ X_________XXX__________",
335 "_______XXXXXXX X_ X__________X___________",
336 " _____ X X X_ X______________________",
337 " ____X_____ _XX_ X______________________",
338 " __ _______ __ ______________________ ",
340 static const char *all_big[]= {
341 "???_______________________________________???",
342 "??_________________________________________??",
343 "?_________X______X___X______________________?",
344 "_________?X_____?X__?X______XXXXXXXXXXX______",
345 "_________X_X____?X__?X_______XXXXXXXXX_______",
346 "________?X?X____?X__?X________XXXXXXX________",
347 "________X_?_X___?X__?X_________XXXXX_________",
348 "_______?X__?X___?X__?X__________XXX__________",
349 "_______?XXXXX___?X__?X___________X___________",
350 "_______X????_X__?X__?X_______________________",
351 "?_____?X____?X__?X__?X_______________________",
352 "??____X_____?_X_?X__?X_______________________",
353 "???__?_______?__?___?_______________________?",
356 #define COMMOD_SELECTOR_MATCHES(all) \
357 commod_selector_matches(search, all, \
358 sizeof((all))/sizeof((all)[0]), \
361 if (!(COMMOD_SELECTOR_MATCHES(all_small) ||
362 COMMOD_SELECTOR_MATCHES(all_big)))
363 fatal("Commodities selector not set to `All'.");
366 CanonImage *alloc_canon_image(int w, int h) {
367 CanonImage *im= mmalloc(sizeof(CanonImage) + w*h);
370 memset(im->d,'?',w*h);
374 static void file_read_image_ppm(FILE *f) {
376 unsigned char rgb_buf[3];
380 pnm_readpaminit(f, &inpam, sizeof(inpam));
381 if (!(inpam.maxval == 255 &&
382 inpam.bytes_per_sample == 1 &&
383 inpam.format == RPPM_FORMAT))
384 fatal("PNM screenshot(s) file must be 8bpp 1 byte per sample RGB");
387 page0_rgbimage= ri= alloc_rgb_image(inpam.width, inpam.height);
389 CANONICALISE_IMAGE(im, inpam.width, inpam.height, {
390 int r= fread(&rgb_buf,1,3,f);
391 sysassert(!ferror(f));
392 if (r!=3) fatal("PNM screenshot(s) file ends unexpectedly");
395 ((unsigned long)rgb_buf[0]<<16) |
396 ((unsigned long)rgb_buf[1]<<8) |
400 CANONIMG_ALSO_STORERGB(ri);
403 sysassert(!ferror(screenshot_file));
405 if (!(npages < MAX_PAGES))
406 fatal("Too many images in screenshots file; max is %d.\n", MAX_PAGES);
408 page_images[npages++]= im;
411 void read_one_screenshot(void) {
412 progress("reading screenshot...");
413 file_read_image_ppm(screenshot_file);
414 progress_log("read screenshot.");
417 void read_screenshots(void) {
420 sysassert(! fstat(fileno(screenshot_file), &stab) );
423 if (S_ISREG(stab.st_mode)) {
424 long pos= ftell(screenshot_file);
425 if (pos == stab.st_size) break;
427 int c= fgetc(screenshot_file);
429 ungetc(c, screenshot_file);
431 progress("reading screenshot %d...",npages);
432 file_read_image_ppm(screenshot_file);
434 sysassert(!ferror(screenshot_file));
435 progress_log("read %d screenshots.",npages);
438 static void find_commodity(int offset, Rect *rr) {
439 /* rr->tl.x==-1 if offset out of range */
440 rr->tl.y= commbasey - offset*comminty;
441 rr->br.y= rr->tl.y + comminty-2;
442 if (rr->tl.y < mainr.tl.y || rr->br.y > mainr.br.y) { rr->tl.x=-1; return; }
444 rr->tl.x= mainr.tl.x;
445 rr->br.x= mainr.br.x;
447 if (rr->tl.y > mainr.tl.y)
448 REQUIRE_RECTANGLE(rr->tl.x,rr->tl.y-1, rr->br.x,rr->tl.y-1, "+");
449 if (rr->br.y < mainr.tl.y)
450 REQUIRE_RECTANGLE(rr->tl.x,rr->br.y+1, rr->br.x,rr->br.y+1, "+");
453 static void find_table_entry(Rect commod, int colno, Rect *cellr) {
454 cellr->tl.y= commod.tl.y;
455 cellr->br.y= commod.br.y;
456 cellr->tl.x= !colno ? commod.tl.x : colrightx[colno-1]+2;
457 cellr->br.x= colrightx[colno];
458 debug_rect("cell", colno, *cellr);
459 require_rectangle_r(*cellr, " o", __LINE__);
462 static void ocr_rectangle(Rect r, const OcrCellType ct, FILE *tsv_output) {
463 OcrResultGlyph *results, *res;
465 int w= r.br.x - r.tl.x + 1;
468 for (x=0; x<w; x++) {
470 for (y=0, cx=0, rv=1; y<text_h; y++, rv<<=1) {
471 Point here= { x+r.tl.x, y+r.tl.y };
472 int pixel= get_p(here);
475 case 'o': cx |= rv; break;
478 MC(pixel);MP(here);MSB(ocr_celltype_name(ct));MR(r); );
485 results= ocr(rd,ct,w,cols);
486 for (res=results; res->s; res++)
487 fputs(res->s,tsv_output);
490 void analyse(FILE *tsv_output) {
492 int page, tryrect, colno;
494 for (page=0; page<npages; page++) {
495 find_structure(page_images[page], 0);
498 check_correct_commodities();
501 rd= ocr_init(text_h);
503 progress("Scanning page %d...",page);
505 for (tryrect= +cim->h; tryrect >= -cim->h; tryrect--) {
506 find_commodity(tryrect, &thisr);
509 debug_rect("commod",tryrect, thisr);
512 for (colno=0; colno<columns; colno++) {
513 find_table_entry(thisr,colno,&entryr);
514 fputs(tab, tsv_output);
515 ocr_rectangle(entryr,
518 : &ocr_celltype_number,
522 fputs("\n", tsv_output);
523 sysassert(!ferror(tsv_output));
524 sysassert(!fflush(tsv_output));
527 progress("Commodity table scan complete.");
530 //static Rect islandnamer;
532 DEBUG_DEFINE_SOME_DEBUGF(structcolon,colondebugf)
534 Rect find_sunshine_widget(void) {
537 sunshiner.tl.x= cim->w - 1034 + 885;
538 sunshiner.br.x= cim->w - 1034 + 1020;
542 ADJUST_BOX(sunshiner,"o*",30, 100,MUST, tl,y,-1);
543 ADJUST_BOX(sunshiner,"o*",30, 100,MUST, br,y,+1);
544 debug_rect("sunshiner",0, sunshiner);
546 MUST(sunshiner.br.y - sunshiner.tl.y > 20, MR(sunshiner));
549 ADJUST_BOX(sunshiner,"o",20, (cim->w - 1034 + 700), MUST, tl,x,-1);
550 ADJUST_BOX(sunshiner,"o",20, cim->w, MUST, br,x,+1);
551 debug_rect("sunshiner",1, sunshiner);
555 void find_islandname(RgbImage *ri) {
556 find_structure(page_images[0], 0);
558 Rect sunshiner= find_sunshine_widget();
559 char sunshine[MAXIMGIDENT], archisland[MAXIMGIDENT];
561 const unsigned char *srcp;
562 unsigned char *destp, *endp;
563 for (srcp=page0_rgbimage->data, destp=ri->data,
564 endp= ri->data + 3 * ri->w * ri->h;
567 unsigned char c= *srcp & 0xf0;
571 identify_rgbimage(ri, sunshiner, sunshine, "sunshine widget");
573 if (!memcmp(sunshine,"Vessel ",5)) {
576 islandnamer.tl.x= cim->w - 1034 + 885;
577 islandnamer.br.x= cim->w - 1034 + 1020;
578 islandnamer.tl.y= 128;
579 islandnamer.br.y= 156;
581 ADJUST_BOX(islandnamer,"o",5, 0, MUST, tl,y,+1);
582 ADJUST_BOX(islandnamer,"o",5, cim->h, MUST, br,y,-1);
584 ADJUST_BOX(islandnamer,"o",1, 0, MUST, tl,x,+1);
585 ADJUST_BOX(islandnamer,"o",1, cim->w, MUST, br,x,-1);
587 debug_rect("islandnamer",0, islandnamer);
588 // int larger_islandnamebry= islandnamer.tl.y + 25;
589 // MUST(islandnamer.br.y < larger_islandnamebry,
590 // MR(islandnamer);MI(larger_islandnamebry));
591 // islandnamer.br.y = larger_islandnamebry;
592 debug_rect("islandnamer",1, islandnamer);
595 for (x=islandnamer.tl.x; x<=islandnamer.br.x; x++)
596 for (y=islandnamer.tl.y; y<=islandnamer.br.y; y++) {
597 if (RI_PIXEL(ri,x,y)[0] < 0x40) {
598 for (i=0; i<3; i++) {
599 RI_PIXEL(ri,x,y)[i]= 0;
604 identify_rgbimage(ri, islandnamer, archisland, "island");
608 islandnamer.tl.x= (sunshiner.tl.x + sunshiner.br.x) / 2;
609 islandnamer.tl.y= sunshiner.tl.y + 100;
610 islandnamer.br= islandnamer.tl;
611 debug_rect("islandnamer",__LINE__, islandnamer);
613 WALK_UNTIL_MUST(islandnamer.tl,y, -1, sunshiner.br.y, 'H');
614 WALK_UNTIL_MUST(islandnamer.tl,x, -1, 0, 'o');
615 WALK_UNTIL_MUST(islandnamer.br,x, +1, cim->w, 'o');
616 debug_rect("islandnamer",__LINE__, islandnamer);
618 require_rectangle_r(islandnamer, "O*", __LINE__);
620 int rw= RECT_W(islandnamer);
621 ADJUST_BOX(islandnamer,"O",rw-4, cim->h, MUST,br,y,+1);
622 debug_rect("islandnamer",__LINE__, islandnamer);
624 islandnamer.br.y += 2;
625 ADJUST_BOX(islandnamer,"O",1, cim->h, MUST,br,y,+1);
626 debug_rect("islandnamer",__LINE__, islandnamer);
628 islandnamer.tl.y= islandnamer.br.y-1;
629 islandnamer.br.y= islandnamer.br.y+1;
630 ADJUST_BOX(islandnamer,"*",rw, cim->h, MUST,br,y,+1);
631 ADJUST_BOX(islandnamer,"O",1, cim->w, MUST,tl,x,+1);
632 debug_rect("islandnamer",__LINE__, islandnamer);
634 MUST( RECT_H(islandnamer) <= 31, MR(islandnamer));
637 int nspaces=1, might_be_colon=0;
638 uint32_t colon_pattern= 0;
641 for (p.x=islandnamer.br.x; p.x>islandnamer.tl.x; p.x--) {
642 colondebugf("structcolon: x=%4d nsp=%2d mbc=%d cp=%08"PRIx32" ",
643 p.x, nspaces, might_be_colon, colon_pattern);
646 int runs[32], nruns=0;
647 runs[0]=0; runs[1]=0;
649 for (p.y=islandnamer.tl.y; p.y<=islandnamer.br.y; p.y++) {
652 case 'O': runs[nruns]++; pattern |= 1u; break;
653 case '*': if (runs[nruns]) { nruns++; runs[nruns]=0; } break;
658 colondebugf(" pat=%08"PRIx32" nruns=%d runs[]={%d,%d..} ",
659 pattern, nruns, runs[0],runs[1]);
663 /* omg it _is_ a colon */
668 if (nruns==2 && runs[1]==runs[0]) {
670 if (pattern==colon_pattern)
671 goto ok_might_be_colon;
672 } else if (nspaces>=2) {
673 colon_pattern= pattern;
675 goto ok_might_be_colon;
682 colondebugf(" nsp=%2d mbc=%d\n", nspaces, might_be_colon);
684 MUST(!"colon found", MP(p);MR(islandnamer) );
687 colondebugf(" found\n");
688 islandnamer.br.x= p.x;
690 identify_rgbimage(ri, islandnamer, archisland, "island");
693 char *delim= strstr(archisland," - ");
695 archipelago= masprintf("%.*s", delim-archisland, archisland);
696 island= masprintf("%s", delim+3);