/*
© 2000 Compaq Computer Corporation

COMPAQ Registered in U.S. Patent and Trademark Office.

Confidential computer software.  Valid license from Compaq required for
possession, use or copying.  Consistent with FAR 12.211 and 12.212, Commercial
Computer Software, Computer Software Documentation, and Technical Data for
Commercial Items are licensed to the U.S. Government under vendor's standard
commercial license.
*/
/*
 * xmodmap - program for loading keymap definitions into server
 *
 * $XConsortium: pf.c,v 1.4 91/07/17 22:26:40 rws Exp $
 *
 * Copyright 1988 Massachusetts Institute of Technology
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of M.I.T. not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  M.I.T. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * Author:  Jim Fulton, MIT X Consortium
 */

#include <X11/Xos.h>
#include <X11/Xlib.h>
#include <stdio.h>
#include <ctype.h>
#include "xmodmap.h"

#define NOTINFILEFILENAME "commandline"
char *inputFilename = NOTINFILEFILENAME;
int lineno = 0;

void process_file (filename)
    char *filename;			/* NULL means use stdin */
{
    FILE *fp;
    char buffer[BUFSIZ];

    /* open the file, eventually we'll want to pipe through cpp */

    if (!filename) {
	fp = stdin;
	inputFilename = "stdin"; 
    } else {
	fp = fopen (filename, "r");
	if (!fp) {
	    fprintf (stderr, "%s:  unable to open file '%s' for reading\n",
		     ProgramName, filename);
	    parse_errors++;
	    return;
	}
	inputFilename = filename;
    }


    /* read the input and filter */

    if (verbose) {
	printf ("! %s:\n", inputFilename);
    }

    for (lineno = 0; ; lineno++) {
	buffer[0] = '\0';
	if (fgets (buffer, BUFSIZ, fp) == NULL)
	  break;

	process_line (buffer);
    }

    inputFilename = NOTINFILEFILENAME;
    lineno = 0;
    (void) fclose (fp);
}


void process_line (buffer)
    char *buffer;
{
    int len;
    int i;
    char *cp;

    len = strlen (buffer);

    for (i = 0; i < len; i++) {		/* look for blank lines */
	register char c = buffer[i];
	if (!(isspace(c) || c == '\n')) break;
    }
    if (i == len) return;

    cp = &buffer[i];

    if (*cp == '!') return;		/* look for comments */
    len -= (cp - buffer);		/* adjust len by how much we skipped */

					/* pipe through cpp */

					/* strip trailing space */
    for (i = len-1; i >= 0; i--) {
	register char c = cp[i];
	if (!(isspace(c) || c == '\n')) break;
    }
    if (i >= 0) cp[len = (i+1)] = '\0';  /* nul terminate */

    if (verbose) {
	printf ("! %d:  %s\n", lineno, cp);
    }

    /* handle input */
    handle_line (cp, len);
}