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Moved GS1 processing to gs1.c

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This commit is contained in:
hooper114 2009-01-08 08:43:25 +00:00
parent 4297b90cd3
commit 9c2fbd9e11
6 changed files with 190 additions and 228 deletions
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69
backend/code128.c
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@ -24,6 +24,7 @@
#include <string.h>
#include <stdlib.h>
#include "common.h"
#include "gs1.h"
#define TRUE 1
#define FALSE 0
@ -196,12 +197,12 @@ void c128_set_c(unsigned char source_a, unsigned char source_b, char dest[], int
int code_128(struct zint_symbol *symbol, unsigned char source[])
{ /* Handle Code 128 and NVE-18 */
int i, j, k, e_count, values[170], bar_characters, read, total_sum, nve_check;
int errornum, indexchaine, indexliste, sourcelen;
int error_number, indexchaine, indexliste, sourcelen;
char set[170], fset[170], mode, last_set, last_fset;
float glyph_count;
char dest[1000];
errornum = 0;
error_number = 0;
strcpy(dest, "");
sourcelen = ustrlen(source);
@ -554,19 +555,19 @@ int code_128(struct zint_symbol *symbol, unsigned char source[])
symbol->text[i] = ' ';
}
}
return errornum;
return error_number;
}
int ean_128(struct zint_symbol *symbol, unsigned char source[])
{ /* Handle EAN-128 (Now known as GS1-128) */
int i, j, e_count, values[170], bar_characters, read, total_sum;
int errornum, indexchaine, indexliste, ai_latch, sourcelen;
char set[170], mode, last_set, reduced[170], ai_string[4];
int error_number, indexchaine, indexliste, sourcelen;
char set[170], mode, last_set, reduced[ustrlen(source)];
float glyph_count;
char dest[1000];
int last_ai, separator_row, linkage_flag;
int separator_row, linkage_flag;
errornum = 0;
error_number = 0;
strcpy(dest, "");
linkage_flag = 0;
sourcelen = ustrlen(source);
@ -587,19 +588,6 @@ int ean_128(struct zint_symbol *symbol, unsigned char source[])
strcpy(symbol->errtxt, "Input too long [161]");
return ERROR_TOO_LONG;
}
/* Detect extended ASCII characters */
for(i = 0; i < sourcelen; i++) {
if(source[i] >=128) {
strcpy(symbol->errtxt, "Extended ASCII characters not supported by GS1-128 [162]");
return ERROR_INVALID_DATA;
}
}
if(source[0] != '[') {
strcpy(symbol->errtxt, "Input string doesn't start with AI [163]");
return ERROR_INVALID_DATA;
}
/* if part of a composite symbol make room for the separator pattern */
if(symbol->symbology == BARCODE_EAN128_CC) {
@ -608,43 +596,8 @@ int ean_128(struct zint_symbol *symbol, unsigned char source[])
symbol->rows += 1;
}
/* Resolve AI data - put resulting string in 'reduced' */
j = 0;
last_ai = 0;
ai_latch = 1;
for(i = 0; i < sourcelen; i++) {
if((source[i] != '[') && (source[i] != ']')) {
reduced[j] = source[i];
j++;
}
if(source[i] == '[') {
/* Start of an AI string */
if(ai_latch == 0) {
reduced[j] = '[';
j++;
}
ai_string[0] = source[i + 1];
ai_string[1] = source[i + 2];
ai_string[2] = '\0';
last_ai = atoi(ai_string);
ai_latch = 0;
/* The following values from GS1 specification figure 5.3.8.2.1 - 1
"Element Strings with Pre-Defined Length Using Application Identifiers" */
if((last_ai >= 0) && (last_ai <= 4)) { ai_latch = 1; }
if((last_ai >= 11) && (last_ai <= 20)) { ai_latch = 1; }
if(last_ai == 23) { ai_latch = 1; } /* legacy support - see 5.3.8.2.2 */
if((last_ai >= 31) && (last_ai <= 36)) { ai_latch = 1; }
if(last_ai == 41) { ai_latch = 1; }
}
/* The ']' character is simply dropped from the input */
}
reduced[j] = '\0';
/* the character '[' in the reduced string refers to the FNC1 character */
/* Note that no attempt is made to verify that the data to be encoded does
actually conform to the right data length - that is required of the person or
program inputting the data */
error_number = gs1_verify(symbol, source, reduced);
if(error_number != 0) { return error_number; }
/* Decide on mode using same system as PDF417 and rules of ISO 15417 Annex E */
indexliste = 0;
@ -883,7 +836,7 @@ int ean_128(struct zint_symbol *symbol, unsigned char source[])
}
}
return errornum;
return error_number;
}
int nve_18(struct zint_symbol *symbol, unsigned char source[])