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cbcodec.c
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cbcodec.c
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/*************************************************************************************************
* Popular encoders and decoders
* Copyright (C) 2000-2007 Mikio Hirabayashi
* This file is part of QDBM, Quick Database Manager.
* QDBM is free software; you can redistribute it and/or modify it under the terms of the GNU
* Lesser General Public License as published by the Free Software Foundation; either version
* 2.1 of the License or any later version. QDBM is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
* You should have received a copy of the GNU Lesser General Public License along with QDBM; if
* not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*************************************************************************************************/
#include <cabin.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#undef TRUE
#define TRUE 1 /* boolean true */
#undef FALSE
#define FALSE 0 /* boolean false */
#define DEFCODE "UTF-8" /* default encoding */
/* for RISC OS */
#if defined(__riscos__) || defined(__riscos)
#include <unixlib/local.h>
int __riscosify_control = __RISCOSIFY_NO_PROCESS;
#endif
/* global variables */
const char *progname; /* program name */
/* function prototypes */
int main(int argc, char **argv);
void usage(void);
char *readstdin(int *sp);
int runurl(int argc, char **argv);
int runbase(int argc, char **argv);
int runquote(int argc, char **argv);
int runmime(int argc, char **argv);
int runcsv(int argc, char **argv);
int runxml(int argc, char **argv);
int runzlib(int argc, char **argv);
int runlzo(int argc, char **argv);
int runbzip(int argc, char **argv);
int runiconv(int argc, char **argv);
int rundate(int argc, char **argv);
void shouucsmap(void);
/* main routine */
int main(int argc, char **argv){
int rv;
cbstdiobin();
progname = argv[0];
if(argc < 2) usage();
rv = 0;
if(!strcmp(argv[1], "url")){
rv = runurl(argc, argv);
} else if(!strcmp(argv[1], "base")){
rv = runbase(argc, argv);
} else if(!strcmp(argv[1], "quote")){
rv = runquote(argc, argv);
} else if(!strcmp(argv[1], "mime")){
rv = runmime(argc, argv);
} else if(!strcmp(argv[1], "csv")){
rv = runcsv(argc, argv);
} else if(!strcmp(argv[1], "xml")){
rv = runxml(argc, argv);
} else if(!strcmp(argv[1], "zlib")){
rv = runzlib(argc, argv);
} else if(!strcmp(argv[1], "lzo")){
rv = runlzo(argc, argv);
} else if(!strcmp(argv[1], "bzip")){
rv = runbzip(argc, argv);
} else if(!strcmp(argv[1], "iconv")){
rv = runiconv(argc, argv);
} else if(!strcmp(argv[1], "date")){
rv = rundate(argc, argv);
} else {
usage();
}
return rv;
}
/* print the usage and exit */
void usage(void){
char *tmp;
int tsiz;
fprintf(stderr, "%s: popular encoders and decoders\n", progname);
fprintf(stderr, "\n");
fprintf(stderr, "usage:\n");
fprintf(stderr, " %s url [-d] [-br] [-rs base target] [-l] [-e expr] [file]\n", progname);
fprintf(stderr, " %s base [-d] [-l] [-c num] [-e expr] [file]\n", progname);
fprintf(stderr, " %s quote [-d] [-l] [-c num] [-e expr] [file]\n", progname);
fprintf(stderr, " %s mime [-d] [-hd] [-bd] [-part num] [-l] [-ec code] [-qp] [-dc] [-e expr]"
" [file]\n", progname);
fprintf(stderr, " %s csv [-d] [-t] [-l] [-e expr] [-html] [file]\n", progname);
fprintf(stderr, " %s xml [-d] [-p] [-l] [-e expr] [-tsv] [file]\n", progname);
if((tmp = cbdeflate("", 0, &tsiz)) != NULL){
fprintf(stderr, " %s zlib [-d] [-gz] [-crc] [file]\n", progname);
free(tmp);
}
if((tmp = cblzoencode("", 0, &tsiz)) != NULL){
fprintf(stderr, " %s lzo [-d] [file]\n", progname);
free(tmp);
}
if((tmp = cbbzencode("", 0, &tsiz)) != NULL){
fprintf(stderr, " %s bzip [-d] [file]\n", progname);
free(tmp);
}
if((tmp = cbiconv("", 0, "US-ASCII", "US-ASCII", NULL, NULL)) != NULL){
fprintf(stderr, " %s iconv [-ic code] [-oc code] [-ol ltype] [-cn] [-wc] [-um] [file]\n",
progname);
free(tmp);
}
fprintf(stderr, " %s date [-wf] [-rf] [-utc] [str]\n", progname);
fprintf(stderr, "\n");
exit(1);
}
/* read the standard input */
char *readstdin(int *sp){
char *buf;
int i, blen, c;
blen = 256;
buf = cbmalloc(blen);
for(i = 0; (c = getchar()) != EOF; i++){
if(i >= blen - 1) buf = cbrealloc(buf, blen *= 2);
buf[i] = c;
}
buf[i] = '\0';
if(sp) *sp = i;
return buf;
}
/* parse arguments of url command */
int runurl(int argc, char **argv){
CBMAP *map;
int i, size, dec, br, line;
const char *val;
char *base, *target, *expr, *file, *buf, *res;
dec = FALSE;
br = FALSE;
line = FALSE;
base = NULL;
target = NULL;
expr = NULL;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else if(!strcmp(argv[i], "-br")){
br = TRUE;
} else if(!strcmp(argv[i], "-rs")){
if(++i >= argc) usage();
base = argv[i];
if(++i >= argc) usage();
target = argv[i];
} else if(!strcmp(argv[i], "-l")){
line = TRUE;
} else if(!strcmp(argv[i], "-e")){
if(++i >= argc) usage();
expr = argv[i];
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(base){
size = strlen(base);
buf = cbmemdup(base, size);
} else if(expr){
size = strlen(expr);
buf = cbmemdup(expr, size);
} else if(file){
if(!(buf = cbreadfile(file, &size))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&size);
}
if(target){
res = cburlresolve(base, target);
printf("%s", res);
free(res);
} else if(br){
map = cburlbreak(buf);
if((val = cbmapget(map, "self", -1, NULL))) printf("self\t%s\n", val);
if((val = cbmapget(map, "scheme", -1, NULL))) printf("scheme\t%s\n", val);
if((val = cbmapget(map, "host", -1, NULL))) printf("host\t%s\n", val);
if((val = cbmapget(map, "port", -1, NULL))) printf("port\t%s\n", val);
if((val = cbmapget(map, "authority", -1, NULL))) printf("authority\t%s\n", val);
if((val = cbmapget(map, "path", -1, NULL))) printf("path\t%s\n", val);
if((val = cbmapget(map, "file", -1, NULL))) printf("file\t%s\n", val);
if((val = cbmapget(map, "query", -1, NULL))) printf("query\t%s\n", val);
if((val = cbmapget(map, "fragment", -1, NULL))) printf("fragment\t%s\n", val);
cbmapclose(map);
} else if(dec){
res = cburldecode(buf, &size);
for(i = 0; i < size; i++){
putchar(res[i]);
}
free(res);
} else {
res = cburlencode(buf, size);
for(i = 0; res[i] != '\0'; i++){
putchar(res[i]);
}
free(res);
}
if(line) putchar('\n');
free(buf);
return 0;
}
/* parse arguments of base command */
int runbase(int argc, char **argv){
int i, ci, size, dec, line, cols;
char *expr, *file, *buf, *res;
dec = FALSE;
line = FALSE;
cols = -1;
expr = NULL;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else if(!strcmp(argv[i], "-l")){
line = TRUE;
} else if(!strcmp(argv[i], "-c")){
if(++i >= argc) usage();
cols = atoi(argv[i]);
} else if(!strcmp(argv[i], "-e")){
if(++i >= argc) usage();
expr = argv[i];
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(expr){
size = strlen(expr);
buf = cbmemdup(expr, size);
} else if(file){
if(!(buf = cbreadfile(file, &size))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&size);
}
if(dec){
res = cbbasedecode(buf, &size);
for(i = 0; i < size; i++){
putchar(res[i]);
}
free(res);
} else {
res = cbbaseencode(buf, size);
ci = 0;
for(i = 0; res[i] != '\0'; i++){
if(cols > 0 && ci >= cols){
putchar('\n');
ci = 0;
}
putchar(res[i]);
ci++;
}
free(res);
}
if(line) putchar('\n');
free(buf);
return 0;
}
/* parse arguments of quote command */
int runquote(int argc, char **argv){
int i, ci, size, dec, line, cols;
char *expr, *file, *buf, *res;
dec = FALSE;
line = FALSE;
cols = -1;
expr = NULL;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else if(!strcmp(argv[i], "-l")){
line = TRUE;
} else if(!strcmp(argv[i], "-c")){
if(++i >= argc) usage();
cols = atoi(argv[i]);
} else if(!strcmp(argv[i], "-e")){
if(++i >= argc) usage();
expr = argv[i];
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(expr){
size = strlen(expr);
buf = cbmemdup(expr, size);
} else if(file){
if(!(buf = cbreadfile(file, &size))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&size);
}
if(dec){
res = cbquotedecode(buf, &size);
for(i = 0; i < size; i++){
putchar(res[i]);
}
free(res);
} else {
res = cbquoteencode(buf, size);
ci = 0;
for(i = 0; res[i] != '\0'; i++){
if(cols > 0 && (ci >= cols || (ci >= cols - 2 && res[i] == '='))){
printf("=\n");
ci = 0;
}
if(res[i] == '\r' || res[i] == '\n') ci = 0;
putchar(res[i]);
ci++;
}
free(res);
}
if(line) putchar('\n');
free(buf);
return 0;
}
/* parse arguments of mime command */
int runmime(int argc, char **argv){
CBMAP *attrs;
CBLIST *parts;
int i, size, dec, line, qp, dc, hd, bd, pnum, rsiz, bsiz;
const char *key, *body;
char *code, *expr, *file, *buf, *res, renc[64];
dec = FALSE;
hd = FALSE;
bd = FALSE;
pnum = 0;
line = FALSE;
dc = FALSE;
qp = FALSE;
code = NULL;
expr = NULL;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else if(!strcmp(argv[i], "-hd")){
hd = TRUE;
} else if(!strcmp(argv[i], "-bd")){
bd = TRUE;
} else if(!strcmp(argv[i], "-part")){
if(++i >= argc) usage();
pnum = atoi(argv[i]);
} else if(!strcmp(argv[i], "-l")){
line = TRUE;
} else if(!strcmp(argv[i], "-ec")){
if(++i >= argc) usage();
code = argv[i];
} else if(!strcmp(argv[i], "-qp")){
qp = TRUE;
} else if(!strcmp(argv[i], "-dc")){
dc = TRUE;
} else if(!strcmp(argv[i], "-e")){
if(++i >= argc) usage();
expr = argv[i];
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(expr){
size = strlen(expr);
buf = cbmemdup(expr, size);
} else if(file){
if(!(buf = cbreadfile(file, &size))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&size);
}
if(hd || bd || pnum > 0){
attrs = cbmapopen();
res = cbmimebreak(buf, size, attrs, &rsiz);
if(pnum > 0){
parts = NULL;
if(!(key = cbmapget(attrs, "TYPE", -1, NULL)) || !cbstrfwimatch(key, "multipart/") ||
!(key = cbmapget(attrs, "BOUNDARY", -1, NULL)) ||
!(parts = cbmimeparts(res, rsiz, key)) || cblistnum(parts) < pnum){
fprintf(stderr, "%s: not multipart or no such part\n", progname);
if(parts) cblistclose(parts);
free(res);
cbmapclose(attrs);
free(buf);
return 1;
}
body = cblistval(parts, pnum - 1, &bsiz);
for(i = 0; i < bsiz; i++){
putchar(body[i]);
}
cblistclose(parts);
} else if(hd){
cbmapiterinit(attrs);
while((key = cbmapiternext(attrs, NULL)) != NULL){
printf("%s\t%s\n", key, cbmapget(attrs, key, -1, NULL));
}
} else {
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
}
free(res);
cbmapclose(attrs);
} else if(dec){
res = cbmimedecode(buf, renc);
printf("%s", dc ? renc : res);
free(res);
} else {
res = cbmimeencode(buf, code ? code : DEFCODE, !qp);
printf("%s", res);
free(res);
}
if(line) putchar('\n');
free(buf);
return 0;
}
/* parse arguments of csv command */
int runcsv(int argc, char **argv){
CBLIST *rows, *cells;
int i, j, k, dec, tb, line, html;
const char *row, *cell;
char *expr, *file, *buf, *res;
dec = FALSE;
tb = FALSE;
line = FALSE;
html = FALSE;
expr = NULL;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else if(!strcmp(argv[i], "-t")){
tb = TRUE;
} else if(!strcmp(argv[i], "-l")){
line = TRUE;
} else if(!strcmp(argv[i], "-e")){
if(++i >= argc) usage();
expr = argv[i];
} else if(!strcmp(argv[i], "-html")){
html = TRUE;
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(expr){
buf = cbmemdup(expr, -1);
} else if(file){
if(!(buf = cbreadfile(file, NULL))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(NULL);
}
if(tb || html){
if(html) printf("<table border=\"1\">\n");
rows = cbcsvrows(buf);
for(i = 0; i < cblistnum(rows); i++){
if(html) printf("<tr>");
row = cblistval(rows, i, NULL);
cells = cbcsvcells(row);
for(j = 0; j < cblistnum(cells); j++){
cell = cblistval(cells, j, NULL);
if(html){
printf("<td>");
for(k = 0; cell[k] != '\0'; k++){
if(cell[k] == '\r' || cell[k] == '\n'){
printf("<br>");
if(cell[k] == '\r' && cell[k] == '\n') k++;
} else {
switch(cell[k]){
case '&': printf("&"); break;
case '<': printf("<"); break;
case '>': printf(">"); break;
default: putchar(cell[k]); break;
}
}
}
printf("</td>");
} else {
if(j > 0) putchar('\t');
for(k = 0; cell[k] != '\0'; k++){
if(((unsigned char *)cell)[k] >= 0x20) putchar(cell[k]);
}
}
}
cblistclose(cells);
if(html) printf("</tr>");
putchar('\n');
}
cblistclose(rows);
if(html) printf("</table>\n");
} else if(dec){
res = cbcsvunescape(buf);
for(i = 0; res[i] != '\0'; i++){
putchar(res[i]);
}
free(res);
} else {
res = cbcsvescape(buf);
for(i = 0; res[i] != '\0'; i++){
putchar(res[i]);
}
free(res);
}
if(line) putchar('\n');
free(buf);
return 0;
}
/* parse arguments of xml command */
int runxml(int argc, char **argv){
CBLIST *elems;
CBMAP *attrs;
int i, j, dec, pb, line, tsv, div;
const char *elem, *attr;
char *expr, *file, *buf, *res;
dec = FALSE;
pb = FALSE;
line = FALSE;
tsv = FALSE;
expr = NULL;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else if(!strcmp(argv[i], "-p")){
pb = TRUE;
} else if(!strcmp(argv[i], "-l")){
line = TRUE;
} else if(!strcmp(argv[i], "-e")){
if(++i >= argc) usage();
expr = argv[i];
} else if(!strcmp(argv[i], "-tsv")){
tsv = TRUE;
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(expr){
buf = cbmemdup(expr, -1);
} else if(file){
if(!(buf = cbreadfile(file, NULL))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(NULL);
}
if(pb || tsv){
elems = cbxmlbreak(buf, FALSE);
for(i = 0; i < cblistnum(elems); i++){
elem = cblistval(elems, i, NULL);
div = FALSE;
if(elem[0] == '<'){
if(cbstrfwimatch(elem, "<?xml")){
printf("XMLDECL");
div = TRUE;
} else if(cbstrfwimatch(elem, "<!DOCTYPE")){
printf("DOCTYPE");
} else if(cbstrfwimatch(elem, "<!--")){
printf("COMMENT");
} else if(cbstrfwimatch(elem, "</")){
printf("ENDTAG");
div = TRUE;
} else if(cbstrbwimatch(elem, "/>")){
printf("EMPTAG");
div = TRUE;
} else {
printf("BEGTAG");
div = TRUE;
}
} else {
printf("TEXT");
}
putchar('\t');
if(tsv){
if(div){
attrs = cbxmlattrs(elem);
cbmapiterinit(attrs);
for(j = 0; (attr = cbmapiternext(attrs, NULL)) != NULL; j++){
if(j < 1){
printf("%s", cbmapget(attrs, attr, -1, NULL));
} else {
printf("\t%s\t%s", attr, cbmapget(attrs, attr, -1, NULL));
}
}
cbmapclose(attrs);
} else {
res = cbxmlunescape(elem);
for(j = 0; elem[j] != '\0'; j++){
if(((unsigned char *)elem)[j] < 0x20 || elem[j] == '%'){
printf("%%%02X", elem[j]);
} else {
putchar(elem[j]);
}
}
free(res);
}
} else {
printf("%s", elem);
}
putchar('\n');
}
cblistclose(elems);
} else if(dec){
res = cbxmlunescape(buf);
for(i = 0; res[i] != '\0'; i++){
putchar(res[i]);
}
free(res);
} else {
res = cbxmlescape(buf);
for(i = 0; res[i] != '\0'; i++){
putchar(res[i]);
}
free(res);
}
if(line) putchar('\n');
free(buf);
return 0;
}
/* parse arguments of zlib command */
int runzlib(int argc, char **argv){
unsigned int sum;
int i, bsiz, rsiz, dec, gz, crc;
char *file, *buf, *res;
dec = FALSE;
gz = FALSE;
crc = FALSE;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else if(!strcmp(argv[i], "-gz")){
gz = TRUE;
} else if(!strcmp(argv[i], "-crc")){
crc = TRUE;
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(file){
if(!(buf = cbreadfile(file, &bsiz))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&bsiz);
}
if(crc){
sum = cbgetcrc(buf, bsiz);
for(i = 0; i < sizeof(int); i++){
printf("%02x", sum / 0x1000000);
sum <<= 8;
}
putchar('\n');
} else if(dec){
if(!(res = gz ? cbgzdecode(buf, bsiz, &rsiz) : cbinflate(buf, bsiz, &rsiz))){
fprintf(stderr, "%s: inflate failed\n", progname);
free(buf);
return 1;
}
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
free(res);
} else {
if(!(res = gz ? cbgzencode(buf, bsiz, &rsiz) : cbdeflate(buf, bsiz, &rsiz))){
fprintf(stderr, "%s: deflate failed\n", progname);
free(buf);
return 1;
}
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
free(res);
}
free(buf);
return 0;
}
/* parse arguments of lzo command */
int runlzo(int argc, char **argv){
int i, bsiz, rsiz, dec;
char *file, *buf, *res;
dec = FALSE;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(file){
if(!(buf = cbreadfile(file, &bsiz))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&bsiz);
}
if(dec){
if(!(res = cblzodecode(buf, bsiz, &rsiz))){
fprintf(stderr, "%s: decode failed\n", progname);
free(buf);
return 1;
}
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
free(res);
} else {
if(!(res = cblzoencode(buf, bsiz, &rsiz))){
fprintf(stderr, "%s: encode failed\n", progname);
free(buf);
return 1;
}
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
free(res);
}
free(buf);
return 0;
}
/* parse arguments of bzip command */
int runbzip(int argc, char **argv){
int i, bsiz, rsiz, dec;
char *file, *buf, *res;
dec = FALSE;
file = NULL;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-d")){
dec = TRUE;
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(file){
if(!(buf = cbreadfile(file, &bsiz))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&bsiz);
}
if(dec){
if(!(res = cbbzdecode(buf, bsiz, &rsiz))){
fprintf(stderr, "%s: decode failed\n", progname);
free(buf);
return 1;
}
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
free(res);
} else {
if(!(res = cbbzencode(buf, bsiz, &rsiz))){
fprintf(stderr, "%s: encode failed\n", progname);
free(buf);
return 1;
}
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
free(res);
}
free(buf);
return 0;
}
/* parse arguments of iconv command */
int runiconv(int argc, char **argv){
CBDATUM *datum;
const char *rcode;
char *icode, *ocode, *ltype, *file, *buf, *res, *norm, *orig;
int i, cn, wc, bsiz, rsiz, nsiz, osiz, miss;
icode = NULL;
ocode = NULL;
ltype = NULL;
file = NULL;
cn = FALSE;
wc = FALSE;
for(i = 2; i < argc; i++){
if(!file && argv[i][0] == '-'){
if(!strcmp(argv[i], "-ic")){
if(++i >= argc) usage();
icode = argv[i];
} else if(!strcmp(argv[i], "-oc")){
if(++i >= argc) usage();
ocode = argv[i];
} else if(!strcmp(argv[i], "-ol")){
if(++i >= argc) usage();
ltype = argv[i];
} else if(!strcmp(argv[i], "-cn")){
cn = TRUE;
} else if(!strcmp(argv[i], "-wc")){
wc = TRUE;
} else if(!strcmp(argv[i], "-um")){
shouucsmap();
} else {
usage();
}
} else if(!file){
file = argv[i];
} else {
usage();
}
}
buf = NULL;
if(file){
if(!(buf = cbreadfile(file, &bsiz))){
fprintf(stderr, "%s: %s: cannot open\n", progname, file);
return 1;
}
} else {
buf = readstdin(&bsiz);
}
miss = 0;
if(cn){
printf("%s\n", cbencname(buf, bsiz));
} else if(wc){
printf("%d\n", cbstrcountutf(buf));
} else {
rcode = icode ? icode : cbencname(buf, bsiz);
if(!(res = cbiconv(buf, bsiz, rcode, ocode ? ocode : DEFCODE,
&rsiz, &miss))){
fprintf(stderr, "%s: iconv failed\n", progname);
free(buf);
return 1;
}
if(miss > 0) fprintf(stderr, "%s: missing %d characters\n", progname, miss);
if(ltype && (!cbstricmp(ltype, "u") || !cbstricmp(ltype, "unix") ||
!cbstricmp(ltype, "lf"))){
ltype = "\n";
} else if(ltype && (!cbstricmp(ltype, "d") || !cbstricmp(ltype, "dos") ||
!cbstricmp(ltype, "crlf"))){
ltype = "\r\n";
} else if(ltype && (!cbstricmp(ltype, "m") || !cbstricmp(ltype, "mac") ||
!cbstricmp(ltype, "cr"))){
ltype = "\r";
} else {
ltype = NULL;
}
if(ltype){
if(!(norm = cbiconv(res, rsiz, ocode, "UTF-8", &nsiz, NULL))){
fprintf(stderr, "%s: iconv failed\n", progname);
free(res);
free(buf);
return 1;
}
datum = cbdatumopen(NULL, -1);
for(i = 0; i < nsiz; i++){
if(norm[i] == '\r'){
if(norm[i+1] == '\n') i++;
cbdatumcat(datum, ltype, -1);
} else if(norm[i] == '\n'){
cbdatumcat(datum, ltype, -1);
} else {
cbdatumcat(datum, norm + i, 1);
}
}
if(!(orig = cbiconv(cbdatumptr(datum), cbdatumsize(datum), "UTF-8", ocode, &osiz, NULL))){
fprintf(stderr, "%s: iconv failed\n", progname);
cbdatumclose(datum);
free(norm);
free(res);
free(buf);
return 1;
}
for(i = 0; i < osiz; i++){
putchar(orig[i]);
}
free(orig);
cbdatumclose(datum);
free(norm);
} else {
for(i = 0; i < rsiz; i++){
putchar(res[i]);
}
}
free(res);
}
free(buf);
return miss > 0 ? 1 : 0;
}
/* parse arguments of date command */
int rundate(int argc, char **argv){
int i, wb, rb, utc, jl;
char *date, *res;
time_t t;