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/****************************************************************************
 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
 *                                                                          *
 * 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, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * 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.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
 ****************************************************************************/

/*
 * This replaces an awk script which translated keys.list into keys.tries by
 * making the output show the indices into the TERMTYPE Strings array.  Doing
 * it that way lets us cut down on the size of the init_keytry() function.
 */
#include <curses.priv.h>

MODULE_ID("$Id: make_keys.c,v 1.6 1999/02/22 16:55:20 tom Exp $")

#include <names.c>

#define UNKNOWN (SIZEOF(strnames) + SIZEOF(strfnames))

static size_t lookup(const char *name)
{
	size_t n;
	bool found = FALSE;
	for (n = 0; strnames[n] != 0; n++) {
		if (!strcmp(name, strnames[n])) {
			found = TRUE;
			break;
		}
	}
	if (!found) {
		for (n = 0; strfnames[n] != 0; n++) {
			if (!strcmp(name, strfnames[n])) {
				found = TRUE;
				break;
			}
		}
	}
	return found ? n : UNKNOWN;
}

static void make_keys(FILE *ifp, FILE *ofp)
{
	char buffer[BUFSIZ];
	char from[BUFSIZ];
	char to[BUFSIZ];
	int maxlen = 16;

	while (fgets(buffer, sizeof(buffer), ifp) != 0) {
		if (*buffer == '#')
			continue;
		if (sscanf(buffer, "%s %s", to, from) == 2) {
			int code = lookup(from);
			if (code == UNKNOWN)
				continue;
			if ((int)strlen(from) > maxlen)
				maxlen = strlen(from);
			fprintf(ofp, "\t{ %4d, %-*.*s },\t/* %s */\n",
				code,
				maxlen, maxlen,
				to,
				from);
		}
	}
}

static void write_list(FILE *ofp, const char **list)
{
	while (*list != 0)
		fprintf(ofp, "%s\n", *list++);
}

int main(int argc, char *argv[])
{
	static const char *prefix[] = {
		"#ifndef NCU_KEYS_H",
		"#define NCU_KEYS_H 1",
		"",
		"/* This file was generated by MAKE_KEYS */",
		"",
		"struct tinfo_fkeys _nc_tinfo_fkeys[] = {",
		0
	};
	static const char *suffix[] = {
		"\t{ 0, 0} };",
		"",
		"#endif /* NCU_KEYS_H */",
		0
	};

	write_list(stdout, prefix);
	if (argc > 1) {
		int n;
		for (n = 1; n < argc; n++) {
			FILE *fp = fopen(argv[n], "r");
			if (fp != 0) {
				make_keys(fp, stdout);
				fclose(fp);
			}
		}
	} else {
		make_keys(stdin, stdout);
	}
	write_list(stdout, suffix);
	return EXIT_SUCCESS;
}