/*
 * Copyright (c) 1987 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)print.c	5.4 (Berkeley) 2/26/91";
#endif /* not lint */

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ctags.h"

extern char	searchar;		/* ex search character */

/*
 * getline --
 *	get the line the token of interest occurred on,
 *	prepare it for printing.
 */
getline()
{
	register long	saveftell;
	register int	c,
			cnt;
	register char	*cp;

	saveftell = ftell(inf);
	(void)fseek(inf,lineftell,SEEK_SET);
	if (xflag)
		for (cp = lbuf;GETC(!=,'\n');*cp++ = c);
	/*
	 * do all processing here, so we don't step through the
	 * line more than once; means you don't call this routine
	 * unless you're sure you've got a keeper.
	 */
	else for (cnt = 0,cp = lbuf;GETC(!=,EOF) && cnt < ENDLINE;++cnt) {
		if (c == (int)'\\') {		/* backslashes */
			if (cnt > ENDLINE - 2)
				break;
			*cp++ = '\\'; *cp++ = '\\';
			++cnt;
		}
		else if (c == (int)searchar) {	/* search character */
			if (cnt > ENDLINE - 2)
				break;
			*cp++ = '\\'; *cp++ = c;
			++cnt;
		}
		else if (c == (int)'\n') {	/* end of keep */
			*cp++ = '$';		/* can find whole line */
			break;
		}
		else
			*cp++ = c;
	}
	*cp = EOS;
	(void)fseek(inf,saveftell,SEEK_SET);
}

char *symtype[]= {
	"Unknown",
	"Preprocessor macro",
	"Preprocessor define",
	"C function",
	"C variable",
	"C struct",
	"C union",
	"C typedef",
	"C enum"
};

/*
 * put_entries --
 *	write out the tags
 */
put_entries(node)
	register NODE	*node;
{
	extern FILE	*outf;		/* ioptr for tags file */
	extern int	vflag;		/* -v: vgrind style output */
	extern int	yflag;		/* -y: yet another style output */

	if (node->left)
		put_entries(node->left);
	if (vflag)
		printf("%s %s %d\n",
		    node->entry,node->file,(node->lno + 63) / 64);
	else if (xflag)
		printf("%-16s %4d %-16s %s\n",
		    node->entry,node->lno,node->file,node->pat);
	else if (yflag)
		printf("%-16s %4d %-16s %s\n",
		    node->entry,node->lno,node->file,symtype[node->symbtype]);
	else
		fprintf(outf,"%s\t%s\t%c^%s%c\n",
		    node->entry,node->file,searchar,node->pat,searchar);
	if (node->right)
		put_entries(node->right);
}