htlepage.cc

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/* 
 *      HT Editor
 *      htlepage.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 "htnewexe.h"
#include "htle.h"
#include "htlepage.h"
#include "httag.h"
#include "htstring.h"
#include "formats.h"
#include "snprintf.h"

#include "lestruct.h"

#include <stdlib.h>

static ht_mask_ptable lepagemap[]=
{
        {"page high",   STATICTAG_EDIT_WORD_LE("00000000")},
        {"page low",    STATICTAG_EDIT_BYTE("00000002")},
        {"flags",               STATICTAG_EDIT_BYTE("00000003")},
        {0, 0}
};

static ht_view *htlepagemaps_init(bounds *b, ht_streamfile *file, ht_format_group *group)
{
        ht_le_shared_data *le_shared=(ht_le_shared_data *)group->get_shared_data();

        int h=le_shared->hdr_ofs;
        ht_uformat_viewer *v=new ht_uformat_viewer();
        v->init(b, DESC_LE_PAGEMAP, VC_EDIT | VC_SEARCH, file, group);
        
        ht_mask_sub *m=new ht_mask_sub();
        m->init(file, 0);

        char t[64];
        ht_snprintf(t, sizeof t, "* LE page maps at offset %08x", h+le_shared->hdr.pagemap);
        m->add_mask(t);

        v->insertsub(m);

/* FIXME: */
        bool le_bigendian = false;

        for (dword i=0; i<le_shared->hdr.pagecnt; i++) {
                m=new ht_mask_sub();
                m->init(file, i);
                
                ht_snprintf(t, sizeof t, "--- page %d at %08x ---", i+1, le_shared->pagemap.offset[i]);
                m->add_staticmask_ptable(lepagemap, h+le_shared->hdr.pagemap+i*4, le_bigendian);
                ht_collapsable_sub *cs=new ht_collapsable_sub();
                cs->init(file, m, 1, t, 1);
                v->insertsub(cs);
        }

        le_shared->v_pagemaps=v;
        return v;
}

format_viewer_if htlepagemaps_if = {
        htlepagemaps_init,
        0
};

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