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/*
* Copyright (c) 2000, 2001 by the California Institute of Technology.
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons
* to whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
* OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder
* shall not be used in advertising or otherwise to promote the sale, use
* or other dealings in this Software without prior written authorization
* of the copyright holder.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <locale.h>
#include <unistd.h>
#include <sys/stat.h>
#include "libtecla.h"
int main(int argc, char *argv[])
{
char *line; /* A line of input */
GetLine *gl; /* The line editor */
int major,minor,micro; /* The version number of the library */
/*
* Create the line editor, specifying a max line length of 500 bytes,
* and 10000 bytes to allocate to storage of historical input lines.
*/
gl = new_GetLine(500, 5000);
if(!gl)
return 1;
/*
* If the user has the LC_CTYPE or LC_ALL environment variables set,
* enable display of characters corresponding to the specified locale.
*/
(void) setlocale(LC_CTYPE, "");
/*
* Lookup and display the version number of the library.
*/
libtecla_version(&major, &minor, µ);
printf("Welcome to the demo program of libtecla version %d.%d.%d\n",
major, minor, micro);
/*
* Load history.
*/
(void) gl_load_history(gl, "~/.demo_history", "#");
/*
* Read lines of input from the user and print them to stdout.
*/
do {
/*
* Get a new line from the user.
*/
line = gl_get_line(gl, "$ ", NULL, 0);
if(!line)
break;
/*
* Display what was entered.
*/
if(printf("You entered: %s", line) < 0 || fflush(stdout))
break;
/*
* If the user types "exit", quit the program.
*/
if(strcmp(line, "exit\n")==0)
break;
else if(strcmp(line, "history\n")==0)
gl_show_history(gl, stdout, "%N %T %H\n", 0, -1);
else if(strcmp(line, "size\n")==0) {
GlTerminalSize size = gl_terminal_size(gl, 80, 24);
printf("Terminal size = %d columns x %d lines.\n", size.ncolumn,
size.nline);
};
} while(1);
/*
* Save historical command lines.
*/
(void) gl_save_history(gl, "~/.demo_history", "#", -1);
/*
* Clean up.
*/
gl = del_GetLine(gl);
return 0;
}
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