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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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102
backend/gs1.c
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@ -28,6 +28,27 @@
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 */
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 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]--;
}
error_latch = -1;
error_latch = 0;
strcpy(ai_string, "");
for(i = 0; i < ai_count; i++) {
switch (ai_value[i]) {
case 0: if(data_length[i] != 18) { error_latch = i; } break;
case 1: if(data_length[i] != 14) { error_latch = i; } break;
case 2: if(data_length[i] != 14) { error_latch = i; } break;
case 3: if(data_length[i] != 14) { error_latch = i; } break;
case 4: if(data_length[i] != 16) { error_latch = i; } break;
case 11: if(data_length[i] != 6) { error_latch = i; } break;
case 12: if(data_length[i] != 6) { error_latch = i; } break;
case 13: if(data_length[i] != 6) { error_latch = i; } break;
case 14: if(data_length[i] != 6) { error_latch = i; } break;
case 15: if(data_length[i] != 6) { error_latch = i; } break;
case 16: if(data_length[i] != 6) { error_latch = i; } break;
case 17: if(data_length[i] != 6) { error_latch = i; } break;
case 18: if(data_length[i] != 6) { error_latch = i; } break;
case 19: if(data_length[i] != 6) { error_latch = i; } break;
case 20: if(data_length[i] != 2) { error_latch = i; } break;
case 31: if(data_length[i] != 8) { error_latch = i; } break;
case 32: if(data_length[i] != 8) { error_latch = i; } break;
case 33: if(data_length[i] != 8) { error_latch = i; } break;
case 34: if(data_length[i] != 8) { error_latch = i; } break;
case 35: if(data_length[i] != 8) { error_latch = i; } break;
case 36: if(data_length[i] != 8) { error_latch = i; } break;
case 41: if(data_length[i] != 14) { error_latch = i; } break;
case 0: if(data_length[i] != 18) { error_latch = 1; } break;
case 1: if(data_length[i] != 14) { error_latch = 1; } break;
case 2: if(data_length[i] != 14) { error_latch = 1; } break;
case 3: if(data_length[i] != 14) { error_latch = 1; } break;
case 4: if(data_length[i] != 16) { error_latch = 1; } break;
case 11: if(data_length[i] != 6) { error_latch = 1; } break;
case 12: if(data_length[i] != 6) { error_latch = 1; } break;
case 13: if(data_length[i] != 6) { error_latch = 1; } break;
case 14: if(data_length[i] != 6) { error_latch = 1; } break;
case 15: if(data_length[i] != 6) { error_latch = 1; } break;
case 16: if(data_length[i] != 6) { error_latch = 1; } break;
case 17: if(data_length[i] != 6) { error_latch = 1; } break;
case 18: if(data_length[i] != 6) { error_latch = 1; } break;
case 19: if(data_length[i] != 6) { error_latch = 1; } break;
case 20: if(data_length[i] != 2) { error_latch = 1; } break;
case 23: error_latch = 2; break;
case 24: error_latch = 2; break;
case 25: error_latch = 2; break;
case 39: error_latch = 2; break;
case 40: error_latch = 2; break;
case 41: error_latch = 2; 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 ");
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;
}