/* $XConsortium: pr.c /main/18 1995/12/08 18:26:47 gildea $ */
/*

Copyright (c) 1993, 1994  X Consortium

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, 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
X CONSORTIUM 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 of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.

 $Source: /cvsroot/device/DEVL/UTILS/MKDEPEND/pr.c,v $
 $Revision: 1.4 $ $Date: 2004/11/03 05:09:12 $ $State: Exp $
 $Author: ayoung $ $Locker:  $

*/

#include "def.h"

extern struct   inclist inclist[ MAXFILES ],
                *inclistp;
extern char     **systemdirs;
extern char     *objprefixs[ MAXPREFIXS ];
extern char     *objsuffix;
extern int      width;
extern boolean  printed;
extern boolean  verbose;
extern boolean  opt_basename;
extern int      embeddedwhite;
extern boolean  show_where_not;

void
add_include(filep, file, file_red, include, dot, failOK)
        struct filepointer      *filep;
        struct inclist          *file, *file_red;
        char                    *include;
        boolean                 dot;
{
        register struct inclist         *newfile;
        register struct filepointer     *content;

        /*
         * First decide what the pathname of this include file really is.
         */
#ifdef MSDOS
        {
                char *p = include;
                do {
                        if ((p = strchr(p, '\\')) != NULL)
                                *p = '/';
                } while (p && *p);
        }
#endif
        newfile = inc_path(file->i_file, include, dot);
        if (newfile == NULL) {
                if (failOK)
                    return;
                if (file != file_red)
                        warning("%s (reading %s, line %d): ",
                                file_red->i_file, file->i_file, filep->f_line);
                else
                        warning("%s, line %d: ", file->i_file, filep->f_line);
                warning1("cannot find include file \"%s\"\n", include);
                show_where_not = TRUE;
                newfile = inc_path(file->i_file, include, dot);
                show_where_not = FALSE;
                if (mflags & MFLAG_GENERATED) {
                        warning1("assumed as generated \"%s\"\n", include);
                        newfile = newinclude(include, include);
                        newfile->i_flags |= SEARCHED;
                }
        }

        if (newfile) {
                included_by(file, newfile);
                if (!(newfile->i_flags & SEARCHED)) {
                        newfile->i_flags |= SEARCHED;
                        content = getfile(newfile->i_file);
                        find_includes(content, newfile, file_red, 0, failOK);
                        freefile(content);
                }
        }
}


void
recursive_pr_include(head, file, base)
        register struct inclist *head;
        register char   *file, *base;
{
        register int    i;

        if (head->i_flags & MARKED)
                return;
        head->i_flags |= MARKED;
        if (head->i_file != file)
                pr(head, file, base);
        for (i=0; i<head->i_listlen; i++)
                recursive_pr_include(head->i_list[ i ], file, base);
}


static int
pr_space( const char *str, char *buf )
{
        int     len = 0;

        if (embeddedwhite == BS_ESCAPE) {
                const char *c;                  /* escape spaces */
                char *b = buf;

                for (c = str; *c; *c++) {
                        if (*c == ' ')
                                *b++ = '\\', len++;
                        *b++ = *c;
                }
                *b = '\0';

        } else if (embeddedwhite == BS_QUOTE) {
                sprintf(buf, "\"%s\"", str);
                len = 2;

        } else if (embeddedwhite == BS_URL) {
                const char *c;
                char *b = buf;

                for (c = str; *c; *c++) {
                        if ( *c >= 127 ||
                                strchr( "$&+,;=?@ \"<>{}|^~[]`", *c ) )
                        {                       /* convert */
                                *b++ = '%';
                                (void) sprintf( b, "%-2.2X", *c );
                                b += 2;
                                len += 2;
                        } else {                /* quote */
                                *b++ = *c;
                        }
                }
                *b = '\0';

        } else {                                /* unknown/ignore */
                static int spacewarning;

                if (embeddedwhite == BS_UNKNOWN && !spacewarning) {
                        warning1( "embedded spaces encountered within paths, specify -W option\n");
                        spacewarning++;
                }
                strcpy(buf, str);
        }
        return (len);
}


static int
pr_object(const char *prefix, const char *file)
{
        static char     buf[ MAX_PATH*3 ], sbuf[ MAX_PATH*3 ];
        int             len = 0;

        sprintf(buf, "\n%s%s%s:", prefix?prefix:"", file, objsuffix);
        len = strlen( buf );

        if (strchr(buf, ' ') || embeddedwhite == BS_URL) {
            if (embeddedwhite == BS_JUNK)
                    return -1;                  /* junk */
            len += pr_space( (const char *)buf, sbuf );
            fwrite(sbuf, len, 1, stdout);
        } else {
            fwrite(buf, len, 1, stdout);
        }
        return len;
}

void
pr(ip, file, base)
        register struct inclist  *ip;
        char    *file, *base;
{
        static char     *lastfile;
        static int      current_len;
        static char     buf[ MAX_PATH*3 ];
        const char      *t_base;
        register int    len, plen, i;
        boolean         spaces;

        /*
         * mask system directories
         */
        if (mflags & MFLAG_NOSYSTEM) {
                char **pp;
                for (pp = systemdirs; *pp; pp++) {
                        if (strncmp(*pp, ip->i_file, strlen(*pp)) == 0)
                                return;
                        (void) strcpy(buf, *pp);
                        remove_dotdot(buf);
                        if (strncmp(buf, ip->i_file, strlen(buf)) == 0)
                                return;
                }
        }

        /*
         * dump file
         */
        printed = TRUE;
        len = strlen(ip->i_file)+1;
        spaces = strchr(ip->i_file, ' ') ? TRUE : FALSE;

        if (spaces && embeddedwhite == BS_JUNK)
                return;                         /* junk */

        buf[0] = ' ';
        if (spaces || embeddedwhite == BS_URL) {
                len += pr_space( ip->i_file, buf+1 );
        } else {
                strcpy( buf+1, ip->i_file );
        }

        if (opt_basename &&
                       ((t_base = strrchr(base, '/')) != NULL||
                        (t_base = strrchr(base, '\\')) != NULL))
                t_base++;
        else t_base = base;

        if (objprefixs[1]) {
                /*
                 *  Multiple objprefix's.
                 */
                for (i = 0; i < MAXPREFIXS && objprefixs[i]; i++) {
                        if ((plen = pr_object( objprefixs[i], t_base )) == -1)
                                return;         /*junk*/

                        if (plen >= 41) {
                                fputs("\t", stdout);
                        } else {
                                while (plen < 41) {
                                        fputs("\t", stdout);
                                        plen = ((plen-1) >> 3 << 3) + 9;
                                }
                        }
                        fwrite(buf+1, len-1, 1, stdout);
                }

        } else {
                /*
                 * None or one, objprefix's.      
                 */
                if (current_len + len > width || file != lastfile) {
                        /*
                        *  Line length exceeded or new file.
                        */
                        if ((plen = pr_object( objprefixs[0], t_base )) == -1)
                                return;         /*junk*/
                        current_len = plen;
                }

                fwrite(buf, len, 1, stdout);
                current_len += len;
                lastfile = file;
        }

        /*
         * If verbose is set, then print out what this file includes.
         */
        if (! verbose || ip->i_list == NULL || ip->i_flags & NOTIFIED)
                return;
        ip->i_flags |= NOTIFIED;
        lastfile = NULL;
        printf("\n# %s includes:", ip->i_file);
        for (i=0; i<ip->i_listlen; i++)
                printf("\n#\t%s", ip->i_list[ i ]->i_incstring);
}