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Moved GS1 processing to gs1.c

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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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111
backend/rss.c
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@ -43,6 +43,7 @@
#include "common.h"
#include "large.h"
#include "rss.h"
#include "gs1.h"
/**********************************************************************
* combins(n,r): returns the number of Combinations of r selected from n:
@ -1016,10 +1017,10 @@ int general_rules(char field[], char type[])
}
}
int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char binary_string[])
int rss_binary_string(struct zint_symbol *symbol, char source[], char binary_string[])
{ /* Handles all data encodation from section 7.2.5 of ISO/IEC 24724 */
int encoding_method, i, mask, j, read_posn, latch;
char general_field[ustrlen(source)], general_field_type[ustrlen(source)];
char general_field[strlen(source)], general_field_type[strlen(source)];
int remainder, d1, d2, value;
char padstring[14];
@ -1029,7 +1030,7 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
/* Decide whether a compressed data field is required and if so what
method to use - method 2 = no compressed data field */
if((ustrlen(source) >= 16) && ((source[0] == '0') && (source[1] == '1'))) {
if((strlen(source) >= 16) && ((source[0] == '0') && (source[1] == '1'))) {
/* (01) and other AIs */
encoding_method = 1;
} else {
@ -1037,10 +1038,10 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
encoding_method = 2;
}
if(((ustrlen(source) >= 20) && (encoding_method == 1)) && ((source[2] == '9') && (source[16] == '3'))) {
if(((strlen(source) >= 20) && (encoding_method == 1)) && ((source[2] == '9') && (source[16] == '3'))) {
/* Possibly encoding method > 2 */
if((ustrlen(source) >= 26) && (source[17] == '1')) {
if((strlen(source) >= 26) && (source[17] == '1')) {
/* Methods 3, 7, 9, 11 and 13 */
if(source[18] == '0') {
@ -1058,14 +1059,14 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
encoding_method = 7;
if((source[19] == '3') && (ustrlen(source) == 26)) {
if((source[19] == '3') && (strlen(source) == 26)) {
/* (01) and (3103) */
weight = atof(weight_str) / 1000.0;
if(weight <= 32.767) { encoding_method = 3; }
}
if(ustrlen(source) == 34){
if(strlen(source) == 34){
if((source[26] == '1') && (source[27] == '1')) {
/* (01), (310x) and (11) - metric weight and production date */
encoding_method = 7;
@ -1090,7 +1091,7 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
}
}
if((ustrlen(source) >= 26) && (source[17] == '2')) {
if((strlen(source) >= 26) && (source[17] == '2')) {
/* Methods 4, 8, 10, 12 and 14 */
if(source[18] == '0') {
@ -1107,7 +1108,7 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
encoding_method = 8;
if(((source[19] == '2') || (source[19] == '3')) && (ustrlen(source) == 26)) {
if(((source[19] == '2') || (source[19] == '3')) && (strlen(source) == 26)) {
/* (01) and (3202)/(3203) */
if(source[19] == '3') {
@ -1124,7 +1125,7 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
}
if(ustrlen(source) == 34){
if(strlen(source) == 34){
if((source[26] == '1') && (source[27] == '1')) {
/* (01), (320x) and (11) - English weight and production date */
encoding_method = 8;
@ -1166,18 +1167,18 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
switch(encoding_method) { /* Encoding method - Table 10 */
case 1: concat(binary_string, "1XX"); read_posn = 16; break;
case 2: concat(binary_string, "00XX"); read_posn = 0; break;
case 3: concat(binary_string, "0100"); read_posn = ustrlen(source); break;
case 4: concat(binary_string, "0101"); read_posn = ustrlen(source); break;
case 3: concat(binary_string, "0100"); read_posn = strlen(source); break;
case 4: concat(binary_string, "0101"); read_posn = strlen(source); break;
case 5: concat(binary_string, "01100XX"); read_posn = 20; break;
case 6: concat(binary_string, "01101XX"); read_posn = 23; break;
case 7: concat(binary_string, "0111000"); read_posn = ustrlen(source); break;
case 8: concat(binary_string, "0111001"); read_posn = ustrlen(source); break;
case 9: concat(binary_string, "0111010"); read_posn = ustrlen(source); break;
case 10: concat(binary_string, "0111011"); read_posn = ustrlen(source); break;
case 11: concat(binary_string, "0111100"); read_posn = ustrlen(source); break;
case 12: concat(binary_string, "0111101"); read_posn = ustrlen(source); break;
case 13: concat(binary_string, "0111110"); read_posn = ustrlen(source); break;
case 14: concat(binary_string, "0111111"); read_posn = ustrlen(source); break;
case 7: concat(binary_string, "0111000"); read_posn = strlen(source); break;
case 8: concat(binary_string, "0111001"); read_posn = strlen(source); break;
case 9: concat(binary_string, "0111010"); read_posn = strlen(source); break;
case 10: concat(binary_string, "0111011"); read_posn = strlen(source); break;
case 11: concat(binary_string, "0111100"); read_posn = strlen(source); break;
case 12: concat(binary_string, "0111101"); read_posn = strlen(source); break;
case 13: concat(binary_string, "0111110"); read_posn = strlen(source); break;
case 14: concat(binary_string, "0111111"); read_posn = strlen(source); break;
}
/* Variable length symbol bit field is just given a place holder (XX)
@ -1374,7 +1375,7 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
mask = mask >> 1;
}
if(ustrlen(source) == 34) {
if(strlen(source) == 34) {
/* Date information is included */
date_str[0] = source[28];
date_str[1] = source[29];
@ -1491,7 +1492,7 @@ int rss_binary_string(struct zint_symbol *symbol, unsigned char source[], char b
rest of the data (if any) goes into a general-purpose data compaction field */
j = 0;
for(i = read_posn; i < ustrlen(source); i++) {
for(i = read_posn; i < strlen(source); i++) {
general_field[j] = source[i];
j++;
}
@ -1838,33 +1839,15 @@ int rssexpanded(struct zint_symbol *symbol, unsigned char source[])
int check_char, c_odd, c_even, elements[235], pattern_width, reader, writer;
int row, elements_in_sub, special_case_row, left_to_right;
int codeblocks, sub_elements[235], stack_rows, current_row, current_block;
char reduced[170], ai_string[4];
int last_ai, ai_latch, separator_row;
int separator_row;
char reduced[ustrlen(source)];
separator_row = 0;
reader=0;
if(source[0] != '[') {
strcpy(symbol->errtxt, "Data does not start with an AI [311]");
return ERROR_INVALID_DATA;
}
i = gs1_verify(symbol, source, reduced);
if(i != 0) { return i; }
for(i = 0; i < ustrlen(source) - 1; i++) {
if((source[i] == '[') && (source[i + 1] == '[')) {
/* Can't have nested brackets - Quit */
strcpy(symbol->errtxt, "Nested AI detected (two or more open brackets) [312]");
return ERROR_INVALID_DATA;
}
}
for(i = 0; i < ustrlen(source) - 1; i++) {
if((source[i] == ']') && (source[i + 1] == ']')) {
/* Can't have nested brackets - Quit */
strcpy(symbol->errtxt, "Nested AI detected (two or more close brackets) [313]");
return ERROR_INVALID_DATA;
}
}
if((symbol->symbology == BARCODE_RSS_EXP_CC) || (symbol->symbology == BARCODE_RSS_EXPSTACK_CC)) {
/* make space for a composite separator pattern */
separator_row = symbol->rows;
@ -1880,45 +1863,7 @@ int rssexpanded(struct zint_symbol *symbol, unsigned char source[])
concat(binary_string, "0");
}
/* Resolve AI data - put resulting string in 'reduced' */
j = 0;
last_ai = 0;
ai_latch = 1;
for(i = 0; i < ustrlen(source); 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 */
i = rss_binary_string(symbol, (unsigned char*)reduced, binary_string);
i = rss_binary_string(symbol, reduced, binary_string);
if(i != 0) {
return i;
}