/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */


/*
 * Copyright (c) 1999 by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*
 *      cscope - interactive C symbol cross-reference
 *
 *      file editing functions
 */

#include <curses.h>     /* KEY_BREAK and refresh */
#include <libgen.h>
#include <stdio.h>
#include "global.h"


/* edit this displayed reference */

void
editref(int i)
{
        char    file[PATHLEN + 1];      /* file name */
        char    linenum[NUMLEN + 1];    /* line number */

        /* verify that there is a references found file */
        if (refsfound == NULL) {
                return;
        }
        /* get the selected line */
        seekline(i + topline);

        /* get the file name and line number */
        if (fscanf(refsfound, "%s%*s%s", file, linenum) == 2) {
                edit(file, linenum);    /* edit it */
        }
        seekline(topline);      /* restore the line pointer */
}

/* edit all references */

void
editall(void)
{
        char    file[PATHLEN + 1];      /* file name */
        char    linenum[NUMLEN + 1];    /* line number */
        int     c;

        /* verify that there is a references found file */
        if (refsfound == NULL) {
                return;
        }
        /* get the first line */
        seekline(1);

        /* get each file name and line number */
        while (fscanf(refsfound, "%s%*s%s%*[^\n]", file, linenum) == 2) {
                edit(file, linenum);    /* edit it */
                if (editallprompt == YES) {
                        putmsg("Type ^D to stop editing all lines, "
                            "or any other character to continue: ");
                        if ((c = mygetch()) == EOF || c == ctrl('D') ||
                            c == ctrl('Z') || c == KEY_BREAK) {
                                /* needed for interrupt on first time */
                                (void) refresh();
                                break;
                        }
                }
        }
        seekline(topline);
}

/* call the editor */

void
edit(char *file, char *linenum)
{
        char    msg[MSGLEN + 1];        /* message */
        char    plusnum[NUMLEN + 2];    /* line number option */
        char    *s;

        (void) sprintf(msg, "%s +%s %s", editor, linenum, file);
        putmsg(msg);
        (void) sprintf(plusnum, "+%s", linenum);

        /* if this is the more or page commands */
        if (strcmp(s = basename(editor), "more") == 0 ||
            strcmp(s, "page") == 0) {
                /*
                 * get it to pause after displaying a file smaller
                 * than the screen length
                 */
                (void) execute(editor, editor, plusnum, file, "/dev/null",
                    (char *)NULL);
        } else {
                (void) execute(editor, editor, plusnum, file, (char *)NULL);
        }
}