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More complete testing and more useful output

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This commit is contained in:
hooper114 2009-01-11 20:54:27 +00:00
parent b6ac39172b
commit 64731a4ddd
1 changed files with 79 additions and 25 deletions
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104
backend/gs1.c
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@ -28,6 +28,27 @@
to be bulletproof, nor does it report very accurately what problem was found to be bulletproof, nor does it report very accurately what problem was found
or where, but should prevent some of the more common encoding errors */ or where, but should prevent some of the more common encoding errors */
void itostr(char ai_string[], int ai_value)
{
int thou, hund, ten, unit;
char temp[2];
strcpy(ai_string, "(");
thou = ai_value / 1000;
hund = (ai_value - (1000 * thou)) / 100;
ten = (ai_value - ((1000 * thou) + (100 * hund))) / 10;
unit = ai_value - ((1000 * thou) + (100 * hund) + (10 * ten));
temp[1] = '\0';
if(ai_value >= 1000) { temp[0] = itoc(thou); concat(ai_string, temp); }
if(ai_value >= 100) { temp[0] = itoc(hund); concat(ai_string, temp); }
temp[0] = itoc(ten);
concat(ai_string, temp);
temp[0] = itoc(unit);
concat(ai_string, temp);
concat(ai_string, ")");
}
int gs1_verify(struct zint_symbol *symbol, unsigned char source[], char reduced[]) int gs1_verify(struct zint_symbol *symbol, unsigned char source[], char reduced[])
{ {
int i, j, last_ai, ai_latch; int i, j, last_ai, ai_latch;
@ -125,36 +146,69 @@ int gs1_verify(struct zint_symbol *symbol, unsigned char source[], char reduced[
data_length[i]--; data_length[i]--;
} }
error_latch = -1; error_latch = 0;
strcpy(ai_string, "");
for(i = 0; i < ai_count; i++) { for(i = 0; i < ai_count; i++) {
switch (ai_value[i]) { switch (ai_value[i]) {
case 0: if(data_length[i] != 18) { error_latch = i; } break; case 0: if(data_length[i] != 18) { error_latch = 1; } break;
case 1: if(data_length[i] != 14) { error_latch = i; } break; case 1: if(data_length[i] != 14) { error_latch = 1; } break;
case 2: if(data_length[i] != 14) { error_latch = i; } break; case 2: if(data_length[i] != 14) { error_latch = 1; } break;
case 3: if(data_length[i] != 14) { error_latch = i; } break; case 3: if(data_length[i] != 14) { error_latch = 1; } break;
case 4: if(data_length[i] != 16) { error_latch = i; } break; case 4: if(data_length[i] != 16) { error_latch = 1; } break;
case 11: if(data_length[i] != 6) { error_latch = i; } break; case 11: if(data_length[i] != 6) { error_latch = 1; } break;
case 12: if(data_length[i] != 6) { error_latch = i; } break; case 12: if(data_length[i] != 6) { error_latch = 1; } break;
case 13: if(data_length[i] != 6) { error_latch = i; } break; case 13: if(data_length[i] != 6) { error_latch = 1; } break;
case 14: if(data_length[i] != 6) { error_latch = i; } break; case 14: if(data_length[i] != 6) { error_latch = 1; } break;
case 15: if(data_length[i] != 6) { error_latch = i; } break; case 15: if(data_length[i] != 6) { error_latch = 1; } break;
case 16: if(data_length[i] != 6) { error_latch = i; } break; case 16: if(data_length[i] != 6) { error_latch = 1; } break;
case 17: if(data_length[i] != 6) { error_latch = i; } break; case 17: if(data_length[i] != 6) { error_latch = 1; } break;
case 18: if(data_length[i] != 6) { error_latch = i; } break; case 18: if(data_length[i] != 6) { error_latch = 1; } break;
case 19: if(data_length[i] != 6) { error_latch = i; } break; case 19: if(data_length[i] != 6) { error_latch = 1; } break;
case 20: if(data_length[i] != 2) { error_latch = i; } break; case 20: if(data_length[i] != 2) { error_latch = 1; } break;
case 31: if(data_length[i] != 8) { error_latch = i; } break; case 23: error_latch = 2; break;
case 32: if(data_length[i] != 8) { error_latch = i; } break; case 24: error_latch = 2; break;
case 33: if(data_length[i] != 8) { error_latch = i; } break; case 25: error_latch = 2; break;
case 34: if(data_length[i] != 8) { error_latch = i; } break; case 39: error_latch = 2; break;
case 35: if(data_length[i] != 8) { error_latch = i; } break; case 40: error_latch = 2; break;
case 36: if(data_length[i] != 8) { error_latch = i; } break; case 41: error_latch = 2; break;
case 41: if(data_length[i] != 14) { error_latch = i; } break; case 42: error_latch = 2; break;
case 70: error_latch = 2; break;
case 80: error_latch = 2; break;
case 81: error_latch = 2; break;
}
if((ai_value[i] >= 100) && (ai_value[i] <= 179)) { error_latch = 2; }
if((ai_value[i] >= 1000) && (ai_value[i] <= 1799)) { error_latch = 2; }
if((ai_value[i] >= 200) && (ai_value[i] <= 229)) { error_latch = 2; }
if((ai_value[i] >= 2000) && (ai_value[i] <= 2299)) { error_latch = 2; }
if((ai_value[i] >= 300) && (ai_value[i] <= 309)) { error_latch = 2; }
if((ai_value[i] >= 3000) && (ai_value[i] <= 3099)) { error_latch = 2; }
if((ai_value[i] >= 31) && (ai_value[i] <= 36)) { error_latch = 2; }
if((ai_value[i] >= 310) && (ai_value[i] <= 369)) { error_latch = 2; }
if((ai_value[i] >= 3100) && (ai_value[i] <= 3699)) { if(data_length[i] != 6) { error_latch = 1; } }
if((ai_value[i] >= 370) && (ai_value[i] <= 379)) { error_latch = 2; }
if((ai_value[i] >= 3700) && (ai_value[i] <= 3799)) { error_latch = 2; }
if((ai_value[i] >= 410) && (ai_value[i] <= 415)) { if(data_length[i] != 13) { error_latch = 1; } }
if((ai_value[i] >= 4100) && (ai_value[i] <= 4199)) { error_latch = 2; }
if((ai_value[i] >= 700) && (ai_value[i] <= 703)) { error_latch = 2; }
if((ai_value[i] >= 800) && (ai_value[i] <= 810)) { error_latch = 2; }
if((ai_value[i] >= 900) && (ai_value[i] <= 999)) { error_latch = 2; }
if((ai_value[i] >= 9000) && (ai_value[i] <= 9999)) { error_latch = 2; }
if((error_latch < 4) && (error_latch > 0)) {
/* error has just been detected: capture AI */
itostr(ai_string, ai_value[i]);
error_latch += 4;
} }
} }
if(error_latch != -1) { if(error_latch == 5) {
strcpy(symbol->errtxt, "Invalid data length for AI"); strcpy(symbol->errtxt, "Invalid data length for AI ");
concat(symbol->errtxt, ai_string);
return ERROR_INVALID_DATA;
}
if(error_latch == 6) {
strcpy(symbol->errtxt, "Invalid AI value ");
concat(symbol->errtxt, ai_string);
return ERROR_INVALID_DATA; return ERROR_INVALID_DATA;
} }