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‎mapcodelib/mapcoder.c

Lines changed: 76 additions & 50 deletions
Original file line numberDiff line numberDiff line change
@@ -104,7 +104,7 @@ static int isInRange(int x, int minx, int maxx) // returns nonzero if x in the r
104104
{
105105
if (minx <= x && x < maxx) { return 1; }
106106
if (x < minx) { x += 360000000; } else { x -= 360000000; } // 1.32 fix FIJI edge case
107-
if (minx <= x && x < maxx) return 1;
107+
if (minx <= x && x < maxx) { return 1; }
108108
return 0;
109109
}
110110

@@ -148,17 +148,19 @@ static int disambiguate_str(const char *s, int len) // returns disambiguation >=
148148
const char *f;
149149
char country[4];
150150
if (s[0] == 0 || s[1] == 0) { return -27; } // solve bad args
151-
if (len != 2 && len != 3) return -923; // solve bad args
151+
if (len != 2 && len != 3) { return -923; } // solve bad args
152152
memcpy(country, s, len);
153153
country[len] = 0;
154154
{
155155
char *t;
156-
for (t = country; *t != 0; t++)
156+
for (t = country; *t != 0; t++) {
157157
*t = (char) toupper(*t);
158+
}
158159
}
159160
f = strstr(p, country);
160-
if (f == NULL)
161-
return -23; // unknown country
161+
if (f == NULL) {
162+
return -23;
163+
} // unknown country
162164
return 1 + (int) ((f - p) / (len + 1));
163165
}
164166

@@ -187,15 +189,16 @@ static int ccode_of_iso3(const char *in_iso, int parentcode) {
187189

188190
// make (uppercased) copy of at most three characters
189191
iso[0] = (char) toupper(in_iso[0]);
190-
if (iso[0]) iso[1] = (char) toupper(in_iso[1]);
191-
if (iso[1]) iso[2] = (char) toupper(in_iso[2]);
192+
if (iso[0]) { iso[1] = (char) toupper(in_iso[1]); }
193+
if (iso[1]) { iso[2] = (char) toupper(in_iso[2]); }
192194
iso[3] = 0;
193195

194196
if (iso[2] == 0 || iso[2] == ' ') // 2-letter iso code?
195197
{
196198
static char disambiguate_iso3[4] = {'1', '?', '?', 0}; // cache for disambiguation
197-
if (parentcode > 0)
199+
if (parentcode > 0) {
198200
disambiguate_iso3[0] = (char) ('0' + parentcode);
201+
}
199202
disambiguate_iso3[1] = iso[0];
200203
disambiguate_iso3[2] = iso[1];
201204

@@ -218,8 +221,9 @@ static int ccode_of_iso3(const char *in_iso, int parentcode) {
218221
// find the FIRST disambiguation option, if any
219222
for (s = entity_iso - 1; ;) {
220223
s = strstr(s + 1, disambiguate_iso3 + 1);
221-
if (s == NULL)
224+
if (s == NULL) {
222225
break;
226+
}
223227
if (s && s[-1] >= '1' && s[-1] <= '9') {
224228
s--;
225229
break;
@@ -229,8 +233,9 @@ static int ccode_of_iso3(const char *in_iso, int parentcode) {
229233
// find first disambiguation option in aliases, if any
230234
for (s = aliases - 1; ;) {
231235
s = strstr(s + 1, disambiguate_iso3 + 1);
232-
if (s == NULL)
236+
if (s == NULL) {
233237
break;
238+
}
234239
if (s && s[-1] >= '1' && s[-1] <= '9') {
235240
memcpy(iso, s + 3, 3);
236241
s = strstr(entity_iso, iso); // search disambiguated 2-letter iso
@@ -239,8 +244,9 @@ static int ccode_of_iso3(const char *in_iso, int parentcode) {
239244
}
240245
}
241246

242-
if (s == NULL)
247+
if (s == NULL) {
243248
return -26;
249+
}
244250
}
245251
}
246252
else {
@@ -260,8 +266,9 @@ static int ccode_of_iso3(const char *in_iso, int parentcode) {
260266
}
261267
}
262268
}
263-
if (s == NULL)
269+
if (s == NULL) {
264270
return -23;
271+
}
265272
}
266273
// return result
267274
return (int) ((s - entity_iso) / 4);
@@ -384,7 +391,7 @@ static int decodeExtension(decodeRec *dec, int dividerx4, int dividery, int ydir
384391
column1 = (c1 % 5);
385392
if (*extrapostfix) {
386393
int c2 = decodeChar(*extrapostfix++);
387-
if (c2 < 0 || c2 == 30) return -1; // illegal extension character
394+
if (c2 < 0 || c2 == 30) { return -1; } // illegal extension character
388395
row2 = (c2 / 6);
389396
column2 = (c2 % 6);
390397
}
@@ -833,7 +840,7 @@ static int decodeNameless(decodeRec *dec, int m) {
833840
int BASEPOWER = (codexm == 21) ? 961 * 961 : 961 * 961 * 31;
834841
int BASEPOWERA = (BASEPOWER / A);
835842

836-
if (A == 62) BASEPOWERA++; else BASEPOWERA = 961 * (BASEPOWERA / 961);
843+
if (A == 62) { BASEPOWERA++; } else { BASEPOWERA = 961 * (BASEPOWERA / 961); }
837844

838845
v = decodeBase31(result);
839846
X = (v / BASEPOWERA);
@@ -960,12 +967,13 @@ static int unpack_if_alldigits(
960967
int aonly = (*s == 'A' || *s == 'a');
961968
if (aonly) { s++; } //*** v1.50
962969
for (; *s != 0 && s[2] != 0 && s[2] != '-'; s++) {
963-
if (*s == '-')
970+
if (*s == '-') {
964971
break;
965-
else if (*s == '.' && !dotpos)
972+
} else if (*s == '.' && !dotpos) {
966973
dotpos = s;
967-
else if (decodeChar(*s) < 0 || decodeChar(*s) > 9)
968-
return 0; // nondigit, so stop
974+
} else if (decodeChar(*s) < 0 || decodeChar(*s) > 9) {
975+
return 0;
976+
} // nondigit, so stop
969977
}
970978

971979
if (dotpos) {
@@ -985,14 +993,19 @@ static int unpack_if_alldigits(
985993
char *e = s + 1; // s is vowel, e is lastchar
986994

987995
int v = 0;
988-
if (*s == 'e' || *s == 'E') v = 34;
989-
else if (*s == 'u' || *s == 'U') v = 68;
990-
991-
if (*e == 'a' || *e == 'A') v += 31;
992-
else if (*e == 'e' || *e == 'E') v += 32;
993-
else if (*e == 'u' || *e == 'U') v += 33;
994-
else if (decodeChar(*e) < 0) return -9; // invalid last character!
995-
else v += decodeChar(*e);
996+
if (*s == 'e' || *s == 'E') {
997+
v = 34;
998+
} else if (*s == 'u' || *s == 'U') { v = 68; }
999+
1000+
if (*e == 'a' || *e == 'A') {
1001+
v += 31;
1002+
} else if (*e == 'e' || *e == 'E') {
1003+
v += 32;
1004+
} else if (*e == 'u' || *e == 'U') {
1005+
v += 33;
1006+
} else if (decodeChar(*e) < 0) {
1007+
return -9; // invalid last character!
1008+
} else { v += decodeChar(*e); }
9961009

9971010
if (v < 100) {
9981011
*s = encode_chars[(unsigned int) v / 10];
@@ -1282,8 +1295,11 @@ static void encoderEngine(int ccode, const encodeRec *enc, int stop_with_one_res
12821295
from = firstrec(ccode);
12831296
upto = lastrec(ccode);
12841297

1285-
if (ccode != ccode_earth) if (!fitsInside(x, y, upto))
1286-
return;
1298+
if (ccode != ccode_earth) {
1299+
if (!fitsInside(x, y, upto)) {
1300+
return;
1301+
}
1302+
}
12871303

12881304
///////////////////////////////////////////////////////////
12891305
// look for encoding options
@@ -1342,9 +1358,9 @@ static void encoderEngine(int ccode, const encodeRec *enc, int stop_with_one_res
13421358
strcat(s, result);
13431359
}
13441360
}
1345-
if (debugStopAt == i) return;
1361+
if (debugStopAt == i) { return; }
13461362
}
1347-
if (stop_with_one_result) return;
1363+
if (stop_with_one_result) { return; }
13481364
*result = 0; // clear for next iteration
13491365
}
13501366
}
@@ -1368,8 +1384,8 @@ static int decoderEngine(decodeRec *dec) {
13681384
const char *r = dec->orginput;
13691385
while (*r > 0 && *r <= 32) { r++; } // skip lead
13701386
len = (int) strlen(r);
1371-
if (len > MAX_MAPCODE_RESULT_LEN - 1) len = MAX_MAPCODE_RESULT_LEN - 1;
1372-
while (len > 0 && r[len - 1] >= 0 && r[len - 1] <= 32) len--; // remove trail
1387+
if (len > MAX_MAPCODE_RESULT_LEN - 1) { len = MAX_MAPCODE_RESULT_LEN - 1; }
1388+
while (len > 0 && r[len - 1] >= 0 && r[len - 1] <= 32) { len--; } // remove trail
13731389
memcpy(s, r, len);
13741390
s[len] = 0;
13751391
}
@@ -1466,8 +1482,9 @@ static int decoderEngine(decodeRec *dec) {
14661482

14671483
// unpack digits (a-lead or aeu-encoded
14681484
int voweled = unpack_if_alldigits(s);
1469-
if (voweled < 0)
1485+
if (voweled < 0) {
14701486
return -7;
1487+
}
14711488

14721489
// debug support: U-lead pre-processing
14731490
if (*s == 'u' || *s == 'U') {
@@ -1476,27 +1493,30 @@ static int decoderEngine(decodeRec *dec) {
14761493
voweled = 1;
14771494
}
14781495

1479-
if (len > 10) return -8;
1496+
if (len > 10) { return -8; }
14801497

14811498
// find dot and check that all characters are valid
14821499
{
14831500
int nrd = 0; // nr of true digits
14841501
const char *r = s;
14851502
for (; *r != 0; r++) {
14861503
if (*r == '.') {
1487-
if (dot)
1488-
return -5; // more than one dot
1504+
if (dot) {
1505+
return -5;
1506+
} // more than one dot
14891507
dot = r;
14901508
}
1491-
else if (decodeChar(*r) < 0) // invalid char?
1509+
else if (decodeChar(*r) < 0) { // invalid char?
14921510
return -4;
1493-
else if (decodeChar(*r) < 10) // digit?
1511+
} else if (decodeChar(*r) < 10) { // digit?
14941512
nrd++;
1513+
}
14951514
}
1496-
if (dot == NULL)
1515+
if (dot == NULL) {
14971516
return -2;
1498-
else if (!voweled && nrd + 1 == len) // everything but the dot is digit, so MUST be voweled!
1517+
} else if (!voweled && nrd + 1 == len) { // everything but the dot is digit, so MUST be voweled!
14991518
return -998;
1519+
}
15001520
}
15011521

15021522
//////////// AT THIS POINT, dot=FIRST DOT, input=CLEAN INPUT (no vowels) ilen=INPUT LENGTH
@@ -1505,8 +1525,9 @@ static int decoderEngine(decodeRec *dec) {
15051525
prelen = (int) (dot - s);
15061526
postlen = len - 1 - prelen;
15071527
codex = prelen * 10 + postlen;
1508-
if (prelen < 2 || prelen > 5 || postlen < 2 || postlen > 4)
1528+
if (prelen < 2 || prelen > 5 || postlen < 2 || postlen > 4) {
15091529
return -3;
1530+
}
15101531

15111532
if (len == 10) {
15121533
// international mapcodes must be in international context
@@ -1516,8 +1537,9 @@ static int decoderEngine(decodeRec *dec) {
15161537
// int mapcodes must be interpreted in the parent of a subdivision
15171538

15181539
int parent = ParentTerritoryOf(ccode);
1519-
if (len == 9 || (len == 8 && (parent == ccode_ind || parent == ccode_mex)))
1540+
if (len == 9 || (len == 8 && (parent == ccode_ind || parent == ccode_mex))) {
15201541
ccode = parent;
1542+
}
15211543
}
15221544

15231545
// remember final territory context
@@ -1589,18 +1611,22 @@ static int decoderEngine(decodeRec *dec) {
15891611
#endif
15901612

15911613
// normalise between =180 and 180
1592-
if (dec->lat < -90.0) dec->lat = -90.0;
1593-
if (dec->lat > 90.0) dec->lat = 90.0;
1594-
if (dec->lon < -180.0) dec->lon += 360.0;
1595-
if (dec->lon >= 180.0) dec->lon -= 360.0;
1614+
if (dec->lat < -90.0) { dec->lat = -90.0; }
1615+
if (dec->lat > 90.0) { dec->lat = 90.0; }
1616+
if (dec->lon < -180.0) { dec->lon += 360.0; }
1617+
if (dec->lon >= 180.0) { dec->lon -= 360.0; }
15961618

15971619
// store as integers for legacy's sake
15981620
dec->lat32 = (int) (dec->lat * 1000000);
15991621
dec->lon32 = (int) (dec->lon * 1000000);
16001622

16011623
// make sure decode result fits the country
1602-
if (err == 0) if (ccode != ccode_earth) if (!fitsInsideWithRoom(dec->lon32, dec->lat32, lastrec(ccode))) {
1603-
err = -2222;
1624+
if (err == 0) {
1625+
if (ccode != ccode_earth) {
1626+
if (!fitsInsideWithRoom(dec->lon32, dec->lat32, lastrec(ccode))) {
1627+
err = -2222;
1628+
}
1629+
}
16041630
}
16051631

16061632
return err;
@@ -2007,7 +2033,7 @@ int convertTerritoryIsoNameToCode(const char *string, int optional_tc) // option
20072033
strcat(tmp, string);
20082034
ccode = ccode_of_iso3(tmp, -1);
20092035
}
2010-
if (ccode < 0) return -1; else return ccode + 1;
2036+
if (ccode < 0) { return -1; } else { return ccode + 1; }
20112037
}
20122038

20132039

@@ -2037,7 +2063,7 @@ UWORD *convertToAlphabet(UWORD *unibuf, int maxlength, const char *mapcode, int
20372063
{
20382064
if (asc2lan[alphabet][4] == 0x003f) { // alphabet has no letter E
20392065
if (strchr(mapcode, 'E') || strchr(mapcode, 'U') || strchr(mapcode, 'e') ||
2040-
strchr(mapcode, 'u')) // v1.50 get rid of E and U
2066+
strchr(mapcode, 'u')) // v1.50 get rid of E and U
20412067
{
20422068
// safely copy mapcode into temporary buffer u
20432069
char u[MAX_MAPCODE_RESULT_LEN];

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