htfinfo.cc

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/* 
 *      HT Editor
 *      htfinfo.cc
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "htfinfo.h"

#include <sys/stat.h>
#include <string.h>

ht_view *htfinfo_init(bounds *b, ht_streamfile *file, ht_format_group *group)
{
        ht_finfo_text *v=new ht_finfo_text();
        v->init(b, file);
        return v;
}

format_viewer_if htfinfo_if = {
        htfinfo_init,
        0
};

/*
 *   ht_finfo_text
 */
 
void    ht_finfo_text::init(bounds *b, ht_streamfile *f)
{
        ht_statictext::init(b, 0, align_left, 1);
        options|=VO_BROWSABLE;
        olddesc=desc;
        desc=FINFO_DESC;
        file=f;
}

void    ht_finfo_text::done()
{
        desc=olddesc;
        ht_statictext::done();
}

#define FINFO_IDENTIFIER_WIDTH 24
#define FINFO_IDENTIFIER_WIDTH_STR "24"

int print_time(char *f, char *prefix, time_t time)
{
        tm tt;
        memcpy(&tt, localtime(&time), sizeof tt);
        return sprintf(f, "%-"FINFO_IDENTIFIER_WIDTH_STR"s%s", prefix, asctime(&tt));
}

char *ht_finfo_text::gettext()
{
        char *t=finfotext;
        pstat_t s;
        file->pstat(&s);
        
        if (s.caps & pstat_ctime) t+=print_time(t, "time of creation", s.ctime);
        if (s.caps & pstat_mtime) t+=print_time(t, "time of modification", s.mtime);
        if (s.caps & pstat_atime) t+=print_time(t, "time of last access", s.atime);
        if (s.caps & pstat_uid) t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s%d\n", "user id", s.uid);
        if (s.caps & pstat_gid) t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s%d\n", "group id", s.gid);

        if (s.caps & pstat_size) {
                t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s%d (%.2f KiB, %.2f MiB)\n", "size", s.size, ((float)s.size)/1024, ((float)s.size)/1024/1024);
        }           

        if (s.caps & pstat_inode) t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s%d\n", "inode", s.fsid); else
                if (s.caps & pstat_cluster) t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s%d\n", "cluster (?)", s.fsid); else
                if (s.caps & pstat_fsid) t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s%d\n", "fsid", s.fsid);
        
        if (s.caps & pstat_mode_all) {
                dword am[3][3]={
                        {HT_S_IRUSR, HT_S_IWUSR, HT_S_IXUSR},
                        {HT_S_IRGRP, HT_S_IWGRP, HT_S_IXGRP},
                        {HT_S_IROTH, HT_S_IWOTH, HT_S_IXOTH}
                };
        
                dword ulm[3]={pstat_mode_usr, pstat_mode_grp, pstat_mode_oth};
                char *uls[3]={"user", "group", "world"};
        
                dword alm[3]={pstat_mode_r, pstat_mode_w, pstat_mode_x};
                char *als[3]={"read", "write", "execute"};
                
                *(t++)='\n';

                int cols=0;     
                t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s", "");
                for (int u=0; u<3; u++) {
                        if (s.caps & ulm[u]) {
                                t+=sprintf(t, " %-8s", uls[u]);
                                cols++;
                        }
                }               
                *(t++)='\n';
                
                for (int q=0; q<FINFO_IDENTIFIER_WIDTH+cols*9; q++) *(t++)='-';
                *(t++)='\n';
                                
                for (int a=0; a<3; a++) {
                        if (s.caps & alm[a]) {
                                t+=sprintf(t, "%-"FINFO_IDENTIFIER_WIDTH_STR"s", als[a]);
                                for (int u=0; u<3; u++) {
                                        if (s.caps & ulm[u]) {
                                                t+=sprintf(t, " %-8s", (s.mode & am[u][a]) ? "[x]" : "[ ]");
                                        }
                                }
                                *(t++)='\n';
                        }
                }
                *t=0;
        }
        
        return finfotext;
}

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