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/* ----------------------------------------------------------------------------
* ujguess.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 UJGUESS_VERSION "0.01"
int main(int argc, const char* argv[])
{
const char* files[10];
int end_of_opts;
int nr_files;
int no_filename;
int show_filename;
int i;
nr_files = 0;
end_of_opts = 0;
no_filename = 0;
show_filename = 0;
for( i=1; i<argc; ++i )
{
if( argv[i][0]=='-' && argv[i][1]!='\0' && !end_of_opts )
{
if( strcmp(argv[i], "--no-filename")==0 )
{
no_filename = 1;
show_filename = 0;
}else if( strcmp(argv[i], "--show-filename")==0 )
{
no_filename = 0;
show_filename = 1;
}else if( strcmp(argv[i], "-h")==0 || strcmp(argv[i], "--help")==0 )
{
printf("usage: ujguess [options..] [files..]\n");
printf("options:\n");
printf("-h, --help show this usage\n");
printf("-V, --version show version information\n");
return 0;
}else if( strcmp(argv[i], "-V")==0 || strcmp(argv[i], "--version")==0 )
{
printf("version %s\n", UJGUESS_VERSION);
printf("libunijp version %s\n", UNIJP_VERSION_STRING);
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( !no_filename && !show_filename )
{
if( nr_files >= 2 )
{
show_filename = 1;
}else
{
no_filename = 1;
}
}
if( nr_files==0 )
{
files[nr_files++] = "-";
}
{
char* buf;
size_t buf_size;
size_t buf_len;
buf_len = 0;
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;
uj_charcode_t code;
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;
}
}
buf_len = 0;
while( fgets(buf+buf_len, 1023, fp)!=NULL )
{
char* new_buf;
size_t rlen;
rlen = strlen(buf+buf_len);
buf_len += rlen;
buf_size += 1024;
new_buf = realloc(buf, buf_size);
if( new_buf==0 )
{
fprintf(stderr, "realloc: %s: %s\n", files[i], strerror(errno));
return 1;
}
buf = new_buf;
}
if( ferror(fp) )
{
fprintf(stderr, "fread: %s: %s\n", files[i], strerror(errno));
return 1;
}
fclose(fp);
code = uj_getcode((uj_uint8*)buf, buf_len);
if( !no_filename )
{
printf("%s:", files[i]);
}
printf("%s\n", uj_charcode_str(code));
}
free(buf);
}
return 0;
}
/* ----------------------------------------------------------------------------
* End of File.
* ------------------------------------------------------------------------- */
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