mirror of
https://github.com/zint/zint
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344 lines
8.0 KiB
C
344 lines
8.0 KiB
C
/* 2of5.c - Handles Code 2 of 5 barcodes */
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/*
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libzint - the open source barcode library
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Copyright (C) 2008 Robin Stuart <robin@zint.org.uk>
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*/
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "common.h"
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#ifdef _MSC_VER
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#include <malloc.h>
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#endif
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static const char *C25MatrixTable[10] = {"113311", "311131", "131131", "331111", "113131", "313111",
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"133111", "111331", "311311", "131311"};
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static const char *C25IndustTable[10] = {"1111313111", "3111111131", "1131111131", "3131111111", "1111311131",
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"3111311111", "1131311111", "1111113131", "3111113111", "1131113111"};
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static const char *C25InterTable[10] = {"11331", "31113", "13113", "33111", "11313", "31311", "13311", "11133",
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"31131", "13131"};
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static inline char check_digit(unsigned int count)
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{
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return itoc((10 - (count % 10)) % 10);
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}
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int matrix_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Code 2 of 5 Standard (Code 2 of 5 Matrix) */
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int i, error_number;
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char dest[512]; /* 6 + 80 * 6 + 6 + 1 ~ 512*/
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error_number = 0;
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if(length > 80) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if(error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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/* start character */
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strcpy(dest, "411111");
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for(i = 0; i < length; i++) {
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lookup(NEON, C25MatrixTable, source[i], dest);
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}
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/* Stop character */
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concat (dest, "41111");
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expand(symbol, dest);
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ustrcpy(symbol->text, source);
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return error_number;
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}
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int industrial_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Code 2 of 5 Industrial */
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int i, error_number;
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char dest[512]; /* 6 + 40 * 10 + 6 + 1 */
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error_number = 0;
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if(length > 45) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if(error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid character in data");
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return error_number;
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}
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/* start character */
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strcpy(dest, "313111");
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for(i = 0; i < length; i++) {
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lookup(NEON, C25IndustTable, source[i], dest);
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}
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/* Stop character */
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concat (dest, "31113");
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expand(symbol, dest);
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ustrcpy(symbol->text, source);
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return error_number;
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}
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int iata_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Code 2 of 5 IATA */
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int i, error_number;
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char dest[512]; /* 4 + 45 * 10 + 3 + 1 */
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error_number = 0;
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if(length > 45) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if(error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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/* start */
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strcpy(dest, "1111");
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for(i = 0; i < length; i++) {
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lookup(NEON, C25IndustTable, source[i], dest);
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}
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/* stop */
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concat (dest, "311");
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expand(symbol, dest);
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ustrcpy(symbol->text, source);
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return error_number;
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}
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int logic_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Code 2 of 5 Data Logic */
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int i, error_number;
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char dest[512]; /* 4 + 80 * 6 + 3 + 1 */
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error_number = 0;
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if(length > 80) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if(error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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/* start character */
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strcpy(dest, "1111");
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for(i = 0; i < length; i++) {
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lookup(NEON, C25MatrixTable, source[i], dest);
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}
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/* Stop character */
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concat (dest, "311");
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expand(symbol, dest);
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ustrcpy(symbol->text, source);
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return error_number;
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}
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int interleaved_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Code 2 of 5 Interleaved */
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int i, j, k, error_number;
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char bars[7], spaces[7], mixed[14], dest[1000];
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#ifndef _MSC_VER
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unsigned char temp[length + 2];
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#else
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unsigned char* temp = (unsigned char *)_alloca((length + 2) * sizeof(unsigned char));
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#endif
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error_number = 0;
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if(length > 89) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if (error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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ustrcpy(temp, (unsigned char *) "");
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/* Input must be an even number of characters for Interlaced 2 of 5 to work:
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if an odd number of characters has been entered then add a leading zero */
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if (length & 1)
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{
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ustrcpy(temp, (unsigned char *) "0");
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length++;
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}
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uconcat(temp, source);
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/* start character */
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strcpy(dest, "1111");
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for(i = 0; i < length; i+=2 )
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{
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/* look up the bars and the spaces and put them in two strings */
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strcpy(bars, "");
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lookup(NEON, C25InterTable, temp[i], bars);
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strcpy(spaces, "");
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lookup(NEON, C25InterTable, temp[i + 1], spaces);
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/* then merge (interlace) the strings together */
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k = 0;
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for(j = 0; j <= 4; j++)
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{
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mixed[k] = bars[j]; k++;
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mixed[k] = spaces[j]; k++;
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}
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mixed[k] = '\0';
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concat (dest, mixed);
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}
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/* Stop character */
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concat (dest, "311");
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expand(symbol, dest);
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ustrcpy(symbol->text, temp);
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return error_number;
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}
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int itf14(struct zint_symbol *symbol, unsigned char source[], int length)
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{
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int i, error_number, zeroes;
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unsigned int count;
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char localstr[16];
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error_number = 0;
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count = 0;
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if(length > 13) {
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strcpy(symbol->errtxt, "Input too long");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if(error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid character in data");
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return error_number;
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}
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/* Add leading zeros as required */
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zeroes = 13 - length;
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for(i = 0; i < zeroes; i++) {
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localstr[i] = '0';
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}
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strcpy(localstr + zeroes, (char *)source);
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/* Calculate the check digit - the same method used for EAN-13 */
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for (i = 12; i >= 0; i--) {
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count += ctoi(localstr[i]);
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if (!(i & 1)) {
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count += 2 * ctoi(localstr[i]);
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}
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}
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localstr[13] = check_digit(count);
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localstr[14] = '\0';
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error_number = interleaved_two_of_five(symbol, (unsigned char *)localstr, strlen(localstr));
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ustrcpy(symbol->text, (unsigned char*)localstr);
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return error_number;
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}
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int dpleit(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Deutshe Post Leitcode */
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int i, error_number;
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unsigned int count;
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char localstr[16];
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int zeroes;
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error_number = 0;
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count = 0;
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if(length > 13) {
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strcpy(symbol->errtxt, "Input wrong length");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if(error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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zeroes = 13 - length;
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for(i = 0; i < zeroes; i++)
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localstr[i] = '0';
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strcpy(localstr + zeroes, (char *)source);
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for (i = 12; i >= 0; i--)
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{
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count += 4 * ctoi(localstr[i]);
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if (i & 1) {
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count += 5 * ctoi(localstr[i]);
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}
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}
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localstr[13] = check_digit(count);
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localstr[14] = '\0';
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error_number = interleaved_two_of_five(symbol, (unsigned char *)localstr, strlen(localstr));
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ustrcpy(symbol->text, (unsigned char*)localstr);
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return error_number;
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}
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int dpident(struct zint_symbol *symbol, unsigned char source[], int length)
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{ /* Deutsche Post Identcode */
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int i, error_number, zeroes;
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unsigned int count;
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char localstr[16];
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count = 0;
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if(length > 11) {
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strcpy(symbol->errtxt, "Input wrong length");
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return ERROR_TOO_LONG;
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}
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error_number = is_sane(NEON, source, length);
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if(error_number == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Invalid characters in data");
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return error_number;
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}
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zeroes = 11 - length;
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for(i = 0; i < zeroes; i++)
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localstr[i] = '0';
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strcpy(localstr + zeroes, (char *)source);
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for (i = 10; i >= 0; i--)
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{
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count += 4 * ctoi(localstr[i]);
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if (i & 1) {
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count += 5 * ctoi(localstr[i]);
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}
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}
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localstr[11] = check_digit(count);
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localstr[12] = '\0';
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error_number = interleaved_two_of_five(symbol, (unsigned char *)localstr, strlen(localstr));
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ustrcpy(symbol->text, (unsigned char*)localstr);
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return error_number;
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}
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