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zint-barcode-generator/backend/postal.c

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/* postal.c - Handles PostNet, PLANET, FIM. RM4SCC and Flattermarken */
/*
libzint - the open source barcode library
Copyright (C) 2008 - 2020 Robin Stuart <rstuart114@gmail.com>
Including bug fixes by Bryan Hatton
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
/* vim: set ts=4 sw=4 et : */
#include <stdio.h>
#ifdef _MSC_VER
#include <malloc.h>
#endif
#include "common.h"
#define DAFTSET "DAFT"
#define KRSET "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define KASUTSET "1234567890-abcdefgh"
#define CHKASUTSET "0123456789-abcdefgh"
#define SHKASUTSET "1234567890-ABCDEFGHIJKLMNOPQRSTUVWXYZ"
/* PostNet number encoding table - In this table L is long as S is short */
static const char *PNTable[10] = {
"LLSSS", "SSSLL", "SSLSL", "SSLLS", "SLSSL", "SLSLS", "SLLSS", "LSSSL",
"LSSLS", "LSLSS"
};
static const char *PLTable[10] = {
"SSLLL", "LLLSS", "LLSLS", "LLSSL", "LSLLS", "LSLSL", "LSSLL", "SLLLS",
"SLLSL", "SLSLL"
};
static const char *RoyalValues[36] = {
"11", "12", "13", "14", "15", "10", "21", "22", "23", "24", "25",
"20", "31", "32", "33", "34", "35", "30", "41", "42", "43", "44", "45", "40", "51", "52",
"53", "54", "55", "50", "01", "02", "03", "04", "05", "00"
};
/* 0 = Full, 1 = Ascender, 2 = Descender, 3 = Tracker */
static const char *RoyalTable[36] = {
"3300", "3210", "3201", "2310", "2301", "2211", "3120", "3030", "3021",
"2130", "2121", "2031", "3102", "3012", "3003", "2112", "2103", "2013", "1320", "1230",
"1221", "0330", "0321", "0231", "1302", "1212", "1203", "0312", "0303", "0213", "1122",
"1032", "1023", "0132", "0123", "0033"
};
static const char *FlatTable[10] = {
"0504", "18", "0117", "0216", "0315", "0414", "0513", "0612", "0711", "0810"
};
static const char *KoreaTable[10] = {
"1313150613", "0713131313", "0417131313", "1506131313",
"0413171313", "17171313", "1315061313", "0413131713", "17131713", "13171713"
};
static const char *JapanTable[19] = {
"114", "132", "312", "123", "141", "321", "213", "231", "411", "144",
"414", "324", "342", "234", "432", "243", "423", "441", "111"
};
/* Handles the PostNet system used for Zip codes in the US */
static int postnet(struct zint_symbol *symbol, unsigned char source[], char dest[], int length) {
int i, sum, check_digit;
int error_number;
if (length != 5 && length != 9 && length != 11) {
strcpy(symbol->errtxt, "480: Input wrong length");
return ZINT_ERROR_TOO_LONG;
}
error_number = is_sane(NEON, source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "481: Invalid characters in data");
return error_number;
}
sum = 0;
/* start character */
strcpy(dest, "L");
for (i = 0; i < length; i++) {
lookup(NEON, PNTable, source[i], dest);
sum += ctoi(source[i]);
}
check_digit = (10 - (sum % 10)) % 10;
strcat(dest, PNTable[check_digit]);
/* stop character */
strcat(dest, "L");
return error_number;
}
/* Puts PostNet barcodes into the pattern matrix */
INTERNAL int post_plot(struct zint_symbol *symbol, unsigned char source[], int length) {
char height_pattern[256]; /* 5 + 38 * 5 + 5 + 5 + 1 ~ 256 */
unsigned int loopey, h;
int writer;
int error_number;
error_number = postnet(symbol, source, height_pattern, length);
if (error_number != 0) {
return error_number;
}
writer = 0;
h = strlen(height_pattern);
for (loopey = 0; loopey < h; loopey++) {
if (height_pattern[loopey] == 'L') {
set_module(symbol, 0, writer);
}
set_module(symbol, 1, writer);
writer += 2;
}
symbol->row_height[0] = 6;
symbol->row_height[1] = 6;
symbol->rows = 2;
symbol->width = writer - 1;
return error_number;
}
/* Handles the PLANET system used for item tracking in the US */
static int planet(struct zint_symbol *symbol, unsigned char source[], char dest[], int length) {
int i, sum, check_digit;
int error_number;
if (length != 11 && length != 13) {
strcpy(symbol->errtxt, "482: Input wrong length");
return ZINT_ERROR_TOO_LONG;
}
error_number = is_sane(NEON, source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "483: Invalid characters in data");
return error_number;
}
sum = 0;
/* start character */
strcpy(dest, "L");
for (i = 0; i < length; i++) {
lookup(NEON, PLTable, source[i], dest);
sum += ctoi(source[i]);
}
check_digit = (10 - (sum % 10)) % 10;
strcat(dest, PLTable[check_digit]);
/* stop character */
strcat(dest, "L");
return error_number;
}
/* Puts PLANET barcodes into the pattern matrix */
INTERNAL int planet_plot(struct zint_symbol *symbol, unsigned char source[], int length) {
char height_pattern[256]; /* 5 + 38 * 5 + 5 + 5 + 1 ~ 256 */
unsigned int loopey, h;
int writer;
int error_number;
error_number = planet(symbol, source, height_pattern, length);
if (error_number != 0) {
return error_number;
}
writer = 0;
h = strlen(height_pattern);
for (loopey = 0; loopey < h; loopey++) {
if (height_pattern[loopey] == 'L') {
set_module(symbol, 0, writer);
}
set_module(symbol, 1, writer);
writer += 2;
}
symbol->row_height[0] = 6;
symbol->row_height[1] = 6;
symbol->rows = 2;
symbol->width = writer - 1;
return error_number;
}
/* Korean Postal Authority */
INTERNAL int korea_post(struct zint_symbol *symbol, unsigned char source[], int length) {
int total, loop, check, zeroes, error_number;
char localstr[8], dest[80];
if (length > 6) {
strcpy(symbol->errtxt, "484: Input too long");
return ZINT_ERROR_TOO_LONG;
}
error_number = is_sane(NEON, source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "485: Invalid characters in data");
return error_number;
}
zeroes = 6 - length;
memset(localstr, '0', zeroes);
strcpy(localstr + zeroes, (char *) source);
total = 0;
for (loop = 0; loop < 6; loop++) {
total += ctoi(localstr[loop]);
}
check = 10 - (total % 10);
if (check == 10) {
check = 0;
}
localstr[6] = itoc(check);
localstr[7] = '\0';
*dest = '\0';
for (loop = 5; loop >= 0; loop--) {
lookup(NEON, KoreaTable, localstr[loop], dest);
}
lookup(NEON, KoreaTable, localstr[6], dest);
expand(symbol, dest);
ustrcpy(symbol->text, (unsigned char*) localstr);
return error_number;
}
/* The simplest barcode symbology ever! Supported by MS Word, so here it is!
glyphs from http://en.wikipedia.org/wiki/Facing_Identification_Mark */
INTERNAL int fim(struct zint_symbol *symbol, unsigned char source[], int length) {
char dest[16] = {0};
if (length > 1) {
strcpy(symbol->errtxt, "486: Input too long");
return ZINT_ERROR_TOO_LONG;
}
switch ((char) source[0]) {
case 'a':
case 'A':
strcpy(dest, "111515111");
break;
case 'b':
case 'B':
strcpy(dest, "13111311131");
break;
case 'c':
case 'C':
strcpy(dest, "11131313111");
break;
case 'd':
case 'D':
strcpy(dest, "1111131311111");
break;
default:
strcpy(symbol->errtxt, "487: Invalid characters in data");
return ZINT_ERROR_INVALID_DATA;
break;
}
expand(symbol, dest);
return 0;
}
/* Handles the 4 State barcodes used in the UK by Royal Mail */
static char rm4scc(unsigned char source[], char dest[], int length) {
int i;
int top, bottom, row, column, check_digit;
char values[3], set_copy[] = KRSET;
top = 0;
bottom = 0;
/* start character */
strcpy(dest, "1");
for (i = 0; i < length; i++) {
lookup(KRSET, RoyalTable, source[i], dest);
strcpy(values, RoyalValues[posn(KRSET, source[i])]);
top += ctoi(values[0]);
bottom += ctoi(values[1]);
}
/* Calculate the check digit */
row = (top % 6) - 1;
column = (bottom % 6) - 1;
if (row == -1) {
row = 5;
}
if (column == -1) {
column = 5;
}
check_digit = (6 * row) + column;
strcat(dest, RoyalTable[check_digit]);
/* stop character */
strcat(dest, "0");
return set_copy[check_digit];
}
/* Puts RM4SCC into the data matrix */
INTERNAL int royal_plot(struct zint_symbol *symbol, unsigned char source[], int length) {
char height_pattern[210];
int loopey, h;
int writer;
int error_number;
strcpy(height_pattern, "");
if (length > 50) {
strcpy(symbol->errtxt, "488: Input too long");
return ZINT_ERROR_TOO_LONG;
}
to_upper(source);
error_number = is_sane(KRSET, source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "489: Invalid characters in data");
return error_number;
}
/*check = */rm4scc(source, height_pattern, length);
writer = 0;
h = strlen(height_pattern);
for (loopey = 0; loopey < h; loopey++) {
if ((height_pattern[loopey] == '1') || (height_pattern[loopey] == '0')) {
set_module(symbol, 0, writer);
}
set_module(symbol, 1, writer);
if ((height_pattern[loopey] == '2') || (height_pattern[loopey] == '0')) {
set_module(symbol, 2, writer);
}
writer += 2;
}
symbol->row_height[0] = 3;
symbol->row_height[1] = 2;
symbol->row_height[2] = 3;
symbol->rows = 3;
symbol->width = writer - 1;
return error_number;
}
/* Handles Dutch Post TNT KIX symbols
The same as RM4SCC but without check digit
Specification at http://www.tntpost.nl/zakelijk/klantenservice/downloads/kIX_code/download.aspx */
INTERNAL int kix_code(struct zint_symbol *symbol, unsigned char source[], int length) {
char height_pattern[75], localstr[20];
int loopey;
int writer, i, h;
int error_number;
strcpy(height_pattern, "");
if (length > 18) {
strcpy(symbol->errtxt, "490: Input too long");
return ZINT_ERROR_TOO_LONG;
}
to_upper(source);
error_number = is_sane(KRSET, source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "491: Invalid characters in data");
return error_number;
}
strcpy(localstr, (char *) source);
/* Encode data */
for (i = 0; i < length; i++) {
lookup(KRSET, RoyalTable, localstr[i], height_pattern);
}
writer = 0;
h = strlen(height_pattern);
for (loopey = 0; loopey < h; loopey++) {
if ((height_pattern[loopey] == '1') || (height_pattern[loopey] == '0')) {
set_module(symbol, 0, writer);
}
set_module(symbol, 1, writer);
if ((height_pattern[loopey] == '2') || (height_pattern[loopey] == '0')) {
set_module(symbol, 2, writer);
}
writer += 2;
}
symbol->row_height[0] = 3;
symbol->row_height[1] = 2;
symbol->row_height[2] = 3;
symbol->rows = 3;
symbol->width = writer - 1;
return error_number;
}
/* Handles DAFT Code symbols */
INTERNAL int daft_code(struct zint_symbol *symbol, unsigned char source[], int length) {
char height_pattern[100];
unsigned int loopey, h;
int writer, i, error_number;
strcpy(height_pattern, "");
if (length > 50) {
strcpy(symbol->errtxt, "492: Input too long");
return ZINT_ERROR_TOO_LONG;
}
to_upper((unsigned char*) source);
error_number = is_sane(DAFTSET, (unsigned char*) source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "493: Invalid characters in data");
return error_number;
}
for (i = 0; i < length; i++) {
if (source[i] == 'D') {
strcat(height_pattern, "2");
}
if (source[i] == 'A') {
strcat(height_pattern, "1");
}
if (source[i] == 'F') {
strcat(height_pattern, "0");
}
if (source[i] == 'T') {
strcat(height_pattern, "3");
}
}
writer = 0;
h = strlen(height_pattern);
for (loopey = 0; loopey < h; loopey++) {
if ((height_pattern[loopey] == '1') || (height_pattern[loopey] == '0')) {
set_module(symbol, 0, writer);
}
set_module(symbol, 1, writer);
if ((height_pattern[loopey] == '2') || (height_pattern[loopey] == '0')) {
set_module(symbol, 2, writer);
}
writer += 2;
}
symbol->row_height[0] = 3;
symbol->row_height[1] = 2;
symbol->row_height[2] = 3;
symbol->rows = 3;
symbol->width = writer - 1;
return error_number;
}
/* Flattermarken - Not really a barcode symbology! */
INTERNAL int flattermarken(struct zint_symbol *symbol, unsigned char source[], int length) {
int loop, error_number;
char dest[512]; /* 90 * 4 + 1 ~ */
if (length > 90) {
strcpy(symbol->errtxt, "494: Input too long");
return ZINT_ERROR_TOO_LONG;
}
error_number = is_sane(NEON, source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "495: Invalid characters in data");
return error_number;
}
*dest = '\0';
for (loop = 0; loop < length; loop++) {
lookup(NEON, FlatTable, source[loop], dest);
}
expand(symbol, dest);
return error_number;
}
/* Japanese Postal Code (Kasutama Barcode) */
INTERNAL int japan_post(struct zint_symbol *symbol, unsigned char source[], int length) {
int error_number, h;
char pattern[69];
int writer, loopey, inter_posn, i, sum, check;
char check_char;
char inter[23];
#ifndef _MSC_VER
char local_source[length + 1];
#else
char* local_source = (char*) _alloca(length + 1);
#endif
if (length > 20) {
strcpy(symbol->errtxt, "496: Input too long");
return ZINT_ERROR_TOO_LONG;
}
error_number = 0;
strcpy(local_source, (char*) source);
to_upper((unsigned char*) local_source);
if (is_sane(SHKASUTSET, (unsigned char*) local_source, length) == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "497: Invalid characters in data");
return ZINT_ERROR_INVALID_DATA;
}
memset(inter, 'd', 20); /* Pad character CC4 */
inter[20] = '\0';
i = 0;
inter_posn = 0;
do {
if (((local_source[i] >= '0') && (local_source[i] <= '9')) || (local_source[i] == '-')) {
inter[inter_posn] = local_source[i];
inter_posn++;
} else {
if ((local_source[i] >= 'A') && (local_source[i] <= 'J')) {
inter[inter_posn] = 'a';
inter[inter_posn + 1] = local_source[i] - 'A' + '0';
inter_posn += 2;
}
if ((local_source[i] >= 'K') && (local_source[i] <= 'T')) {
inter[inter_posn] = 'b';
inter[inter_posn + 1] = local_source[i] - 'K' + '0';
inter_posn += 2;
}
if ((local_source[i] >= 'U') && (local_source[i] <= 'Z')) {
inter[inter_posn] = 'c';
inter[inter_posn + 1] = local_source[i] - 'U' + '0';
inter_posn += 2;
}
}
i++;
} while ((i < length) && (inter_posn < 20));
inter[20] = '\0';
strcpy(pattern, "13"); /* Start */
sum = 0;
for (i = 0; i < 20; i++) {
strcat(pattern, JapanTable[posn(KASUTSET, inter[i])]);
sum += posn(CHKASUTSET, inter[i]);
}
/* Calculate check digit */
check = 19 - (sum % 19);
if (check == 19) {
check = 0;
}
if (check <= 9) {
check_char = check + '0';
} else if (check == 10) {
check_char = '-';
} else {
check_char = (check - 11) + 'a';
}
strcat(pattern, JapanTable[posn(KASUTSET, check_char)]);
strcat(pattern, "31"); /* Stop */
/* Resolve pattern to 4-state symbols */
writer = 0;
h = strlen(pattern);
for (loopey = 0; loopey < h; loopey++) {
if ((pattern[loopey] == '2') || (pattern[loopey] == '1')) {
set_module(symbol, 0, writer);
}
set_module(symbol, 1, writer);
if ((pattern[loopey] == '3') || (pattern[loopey] == '1')) {
set_module(symbol, 2, writer);
}
writer += 2;
}
symbol->row_height[0] = 3;
symbol->row_height[1] = 2;
symbol->row_height[2] = 3;
symbol->rows = 3;
symbol->width = writer - 1;
return error_number;
}
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