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/**
* @namespace biew_plugins_I
* @file plugins/binmode.c
* @brief This file contains implementation of binary mode viewer.
* @version -
* @remark this source file is part of Binary vIEW project (BIEW).
* The Binary vIEW (BIEW) is copyright (C) 1995 Nick Kurshev.
* All rights reserved. This software is redistributable under the
* licence given in the file "Licence.en" ("Licence.ru" in russian
* translation) distributed in the BIEW archive.
* @note Requires POSIX compatible development system
*
* @author Nick Kurshev
* @since 1995
* @note Development, fixes and improvements
**/
#include <string.h>
#include "colorset.h"
#include "bconsole.h"
#include "biewutil.h"
#include "biewhelp.h"
#include "bmfile.h"
#include "reg_form.h"
#include "editor.h"
#include "biewlib/file_ini.h"
#include "biewlib/kbd_code.h"
#include "biewlib/biewlib.h"
static unsigned __FASTCALL__ drawBinary( unsigned keycode,unsigned tshift )
{
char buffer[__TVIO_MAXSCREENWIDTH];
static unsigned long bmocpos = 0L;
unsigned BWidth;
HLInfo hli;
size_t j;
unsigned long _index;
unsigned long limit,flen,cfp;
int len;
cfp = BMGetCurrFilePos();
BWidth = Width;
if(cfp != bmocpos || keycode == KE_SUPERKEY)
{
bmocpos = cfp;
flen = BMGetFLength();
limit = flen - BWidth;
if(flen < (unsigned long)BWidth) BWidth = (int)(limit = flen);
for(j = 0;j < Height;j++)
{
memset(buffer,TWC_DEF_FILLER,Width);
_index = cfp + j*BWidth;
len = _index < limit ? BWidth : _index < flen ? (int)(flen - _index) : 0;
if(len) { lastbyte = _index + len; BMReadBufferEx((void *)buffer,len,_index,BM_SEEK_SET); }
if(isHOnLine(_index,Width))
{
hli.text = buffer;
HiLightSearch(MainWnd,_index,0,BWidth,j,&hli,HLS_NORMAL);
}
else twDirectWrite(1,j + 1,buffer,Width);
}
}
return tshift;
}
static void __FASTCALL__ HelpBin( void )
{
hlpDisplay(1000);
}
static unsigned long __FASTCALL__ binPrevPageSize( void ) { return Width*Height; }
static unsigned long __FASTCALL__ binCurrPageSize( void ) { return Width*Height; }
static unsigned long __FASTCALL__ binPrevLineWidth( void ) { return Width; }
static unsigned long __FASTCALL__ binCurrLineWidth( void ) { return Width; }
static const char * __FASTCALL__ binMiscKeyName( void ) { return "Modify"; }
static tBool __FASTCALL__ binDetect( void ) { return True; }
static void __FASTCALL__ EditBin( void )
{
TWindow *ewin;
ewin = WindowOpen(1,2,tvioWidth,tvioHeight-1,TWS_CURSORABLE);
twSetColorAttr(browser_cset.edit.main); twClearWin();
drawEditPrompt();
twUseWin(ewin);
edit_x = edit_y = 0;
if(editInitBuffs(tvioWidth))
{
FullEdit(NULL);
editDestroyBuffs();
}
CloseWnd(ewin);
PaintTitle();
}
static void __FASTCALL__ binReadIni( hIniProfile *ini )
{
UNUSED(ini);
}
static void __FASTCALL__ binSaveIni( hIniProfile *ini )
{
/** Nullify LastSubMode */
iniWriteProfileString(ini,"Biew","Browser","LastSubMode","0");
}
static unsigned __FASTCALL__ binCharSize( void ) { return 1; }
REGISTRY_MODE binMode =
{
"~Binary mode",
{ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL },
{ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL },
binDetect,
__MF_NONE,
drawBinary,
NULL,
binCharSize,
binMiscKeyName,
EditBin,
binPrevPageSize,
binCurrPageSize,
binPrevLineWidth,
binCurrLineWidth,
HelpBin,
binReadIni,
binSaveIni,
NULL,
NULL
};
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