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358 lines
10 KiB
C
358 lines
10 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) 2008-2017 Robin Stuart <rstuart114@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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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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#define inline _inline
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#endif
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static const char *C25MatrixTable[10] = {
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"113311", "311131", "131131", "331111", "113131", "313111",
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"133111", "111331", "311311", "131311"
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};
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static const char *C25IndustTable[10] = {
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"1111313111", "3111111131", "1131111131", "3131111111", "1111311131",
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"3111311111", "1131311111", "1111113131", "3111113111", "1131113111"
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};
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static const char *C25InterTable[10] = {
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"11331", "31113", "13113", "33111", "11313", "31311", "13311", "11133",
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"31131", "13131"
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};
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static inline char check_digit(unsigned int count) {
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return itoc((10 - (count % 10)) % 10);
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}
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/* Code 2 of 5 Standard (Code 2 of 5 Matrix) */
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int matrix_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length) {
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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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if (length > 80) {
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strcpy(symbol->errtxt, "301: Input too long");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "302: 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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strcat(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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/* Code 2 of 5 Industrial */
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int industrial_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length) {
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int i, error_number;
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char dest[512]; /* 6 + 40 * 10 + 6 + 1 */
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if (length > 45) {
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strcpy(symbol->errtxt, "303: Input too long");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "304: 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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strcat(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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/* Code 2 of 5 IATA */
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int iata_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length) {
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int i, error_number;
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char dest[512]; /* 4 + 45 * 10 + 3 + 1 */
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if (length > 45) {
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strcpy(symbol->errtxt, "305: Input too long");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "306: 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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strcat(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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/* Code 2 of 5 Data Logic */
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int logic_two_of_five(struct zint_symbol *symbol, unsigned char source[], int length) {
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int i, error_number;
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char dest[512]; /* 4 + 80 * 6 + 3 + 1 */
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if (length > 80) {
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strcpy(symbol->errtxt, "307: Input too long");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "308: 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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strcat(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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/* Code 2 of 5 Interleaved */
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int interleaved_two_of_five(struct zint_symbol *symbol, const unsigned char source[], size_t length) {
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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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if (length > 89) {
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strcpy(symbol->errtxt, "309: Input too long");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "310: 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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ustrcpy(temp, (unsigned char *) "0");
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length++;
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}
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strcat((char*) temp, (char*) 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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/* 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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mixed[k] = bars[j];
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k++;
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mixed[k] = spaces[j];
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k++;
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}
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mixed[k] = '\0';
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strcat(dest, mixed);
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}
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/* Stop character */
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strcat(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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/* Interleaved 2-of-5 (ITF) */
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int itf14(struct zint_symbol *symbol, unsigned char source[], int length) {
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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 > 13) {
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strcpy(symbol->errtxt, "311: Input too long");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "312: 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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/* Deutshe Post Leitcode */
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int dpleit(struct zint_symbol *symbol, unsigned char source[], int length) {
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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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count = 0;
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if (length > 13) {
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strcpy(symbol->errtxt, "313: Input wrong length");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "314: 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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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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/* Deutsche Post Identcode */
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int dpident(struct zint_symbol *symbol, unsigned char source[], int length) {
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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, "315: Input wrong length");
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return ZINT_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 == ZINT_ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "316: 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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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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