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/* ----------------------------------------------------------------------------
* ujconv.c
* ----------------------------------------------------------------------------
* Mastering programmed by YAMASHINA Hio
*
* Copyright 2008 YAMASHINA Hio
* ----------------------------------------------------------------------------
* $Id$
* ------------------------------------------------------------------------- */
#include "unijp.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define UJCONV_VERSION "0.01"
static void print_encodings(void);
static void print_usage(void);
static void print_version(void);
int main(int argc, const char* argv[])
{
uj_charcode_t icode;
uj_charcode_t ocode;
const char* files[10];
int end_of_opts;
int nr_files;
int i;
icode = ujc_auto;
ocode = ujc_auto;
nr_files = 0;
end_of_opts = 0;
for( i=1; i<argc; ++i )
{
if( argv[i][0]=='-' && argv[i][1]!='\0' && !end_of_opts )
{
if( strcmp(argv[i], "-f")==0 || strcmp(argv[i], "--from")==0 )
{
++i;
if( i==argc )
{
fprintf(stderr, "no argument for %s\n", argv[i-1]);
return 1;
}
icode = uj_charcode_parse(argv[i]);
if( icode==ujc_undefined )
{
fprintf(stderr, "unknown encoding: %s\n", argv[i]);
return 1;
}
}else if( strcmp(argv[i], "-t")==0 || strcmp(argv[i], "--to")==0 )
{
++i;
if( i==argc )
{
fprintf(stderr, "no argument for %s\n", argv[i-1]);
return 1;
}
ocode = uj_charcode_parse(argv[i]);
if( ocode==ujc_undefined )
{
fprintf(stderr, "unknown encoding: %s\n", argv[i]);
return 1;
}
}else if( strcmp(argv[i], "-l")==0 || strcmp(argv[i], "--list")==0 )
{
print_encodings();
return 0;
}else if( strcmp(argv[i], "-h")==0 || strcmp(argv[i], "--help")==0 )
{
print_usage();
return 0;
}else if( strcmp(argv[i], "-V")==0 || strcmp(argv[i], "--version")==0 )
{
print_version();
return 0;
}else if( strcmp(argv[i], "--")==0 )
{
end_of_opts = 1;
}else
{
fprintf(stderr, "invalid option: %s\n", argv[i]);
return 1;
}
}else
{
if( nr_files==10 )
{
fprintf(stderr, "too many files\n");
return 1;
}
files[nr_files++] = argv[i];
}
}
if( nr_files==0 )
{
files[nr_files++] = "-";
}
if( ocode==ujc_auto )
{
ocode = ujc_utf8;
}
{
char* buf;
int buf_size;
buf_size = 1024;
buf = malloc(buf_size);
if( buf==NULL )
{
fprintf(stderr, "malloc: %s\n", strerror(errno));
return 1;
}
for( i=0; i<nr_files; ++i )
{
FILE* fp;
int use_stdin = strcmp(files[i], "-")==0;
if( use_stdin )
{
fp = stdin;
}else
{
fp = fopen(files[i], "r");
if( fp==NULL )
{
fprintf(stderr, "fopen: %s: %s\n", files[i], strerror(errno));
return 1;
}
}
while( fgets(buf, 1023, fp)!=NULL )
{
size_t rlen;
size_t wlen;
unijp_t* uj;
uj_uint8* obuf;
uj_size_t obuf_len;
rlen = strlen(buf);
uj = uj_new((uj_uint8*)buf, rlen, icode);
if( uj==NULL )
{
fprintf(stderr, "uj_new: %s: %s\n", files[i], strerror(errno));
return 1;
}
obuf = uj_conv(uj, ocode, &obuf_len);
if( obuf==NULL )
{
fprintf(stderr, "uj_conv: %s: %s\n", files[i], strerror(errno));
return 1;
}
wlen = fwrite(obuf, 1, obuf_len, stdout);
if( wlen!=obuf_len )
{
fprintf(stderr, "fwrite: %s: %s\n", files[i], strerror(errno));
return 1;
}
uj_delete_buffer(uj, obuf);
uj_delete(uj);
}
if( ferror(fp) )
{
fprintf(stderr, "fread: %s: %s\n", files[i], strerror(errno));
return 1;
}
fclose(fp);
}
free(buf);
}
return 0;
}
static void print_encodings(void)
{
const uj_encname_t* p;
for( p=&uj_encnames[0]; p->name; ++p )
{
printf("%s\n", p->name);
}
return;
}
static void print_usage(void)
{
printf("usage: ujconv [options..] [files..]\n");
printf("options:\n");
printf("-f, --from icode\n");
printf("-t, --to ocode\n");
printf("-l, --list list available encodings\n");
printf("-h, --help show this usage\n");
printf("-V, --version show version information\n");
return;
}
static void print_version(void)
{
printf("version %s\n", UJCONV_VERSION);
printf("libunijp version %s\n", UNIJP_VERSION_STRING);
return;
}
/* ----------------------------------------------------------------------------
* End of File.
* ------------------------------------------------------------------------- */
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