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#ifdef USENEF
#include <qimage.h>
#include "arrierego.h"
struct CArriere_dataRecord
{
UInt16 uid;
UInt16 nParagraphs;
UInt32 size;
UInt8 type;
UInt8 reserved;
};
int CArriere::HeaderSize()
{
return 10;
}
void CArriere::GetHeader(UInt16& uid, UInt16& nParagraphs, UInt32& size, UInt8& type, UInt8& reserved)
{
CArriere_dataRecord thishdr;
unsuspend();
fread(&thishdr, 1, HeaderSize(), fin);
uid = ntohs(thishdr.uid);
nParagraphs = ntohs(thishdr.nParagraphs);
size = ntohl(thishdr.size);
type = thishdr.type;
reserved = thishdr.reserved;
// qDebug("UID:%u Paras:%u Size:%u Type:%u Reserved:%u", uid, nParagraphs, size, (unsigned int)type, (unsigned int)reserved);
// for (int i = 0; i < sizeof(thishdr); i++)
// printf("%d %x\n", i, (int)(((char *)(&thishdr))[i]));
}
bool CArriere::CorrectDecoder()
{
char * type = (char*)(&(head.type));
for (int i = 0; i < 8; ++i) qDebug("%c", type[i]);
return (memcmp(&head.type, "ArriereG", 8) == 0);
}
int CArriere::bgetch()
{
int ch = EOF;
if (bufferpos >= buffercontent)
{
if (bufferrec >= ntohs(head.recordList.numRecords) - 1)
{
return EOF;
}
if (isEndOfSection(bufferrec))
{
return EOF;
}
if (!expand(bufferrec+1))
{
return EOF;
}
mystyle.unset();
if (m_ParaOffsets[m_nextParaIndex] == 0)
{
while (m_ParaOffsets[m_nextParaIndex+1] == 0)
{
m_nextParaIndex++;
}
}
mystyle.setExtraSpace((m_ParaAttrs[m_nextParaIndex]&7)*2);
}
if (bufferpos == m_nextPara)
{
while (bufferpos == m_nextPara)
{
m_nextParaIndex++;
if (m_nextParaIndex == m_nParas)
{
m_nextPara = -1;
}
else
{
m_nextPara += m_ParaOffsets[m_nextParaIndex];
}
}
mystyle.unset();
mystyle.setExtraSpace((m_ParaAttrs[m_nextParaIndex]&7)*2);
if (m_lastBreak == locate())
{
currentpos++;
ch = expandedtextbuffer[bufferpos++];
}
else
{
ch = 10;
}
}
else
{
currentpos++;
ch = expandedtextbuffer[bufferpos++];
}
return ch;
}
tchar CArriere::getch(bool fast)
{
mystyle.clearPicture();
return getch_base(fast);
}
/*
void CArriere::setlink(QString& fn, const QString& wrd)
{
fn = wrd;
}
*/
QImage* CArriere::imagefromdata(UInt8* imgbuffer, UInt32 imgsize)
{
QByteArray arr;
arr.assign((const char*)imgbuffer, imgsize);
QImage* qimage = new QImage(arr);
return qimage;
}
void CArriere::start2endSection()
{
m_currentstart = NEFstartSection();
m_currentend = NEFendSection();
}
unsigned long CArriere::NEFstartSection()
{
//inefficient - Should calc start/end of section on entry to section?
UInt16 thishdr_uid, thishdr_nParagraphs;
UInt32 thishdr_size;
UInt8 thishdr_type, thishdr_reserved;
unsigned long textlength = currentpos-bufferpos;
for (UInt16 recptr = bufferrec-1; recptr >= 1; recptr--)
{
gotorecordnumber(recptr);
//qDebug("recptr:%u", recptr);
GetHeader(thishdr_uid, thishdr_nParagraphs, thishdr_size, thishdr_type, thishdr_reserved);
if (thishdr_type < 2)
{
if ((thishdr_reserved && continuation_bit) == 0) break;
textlength -= thishdr_size;
//qDebug("Textlength:%u, reserved:%u, recptr:%u", textlength, thishdr_reserved, recptr);
}
}
return textlength;
}
unsigned long CArriere::NEFendSection()
{
//inefficient - Should calc start/end of section on entry to section?
unsigned long textlength = currentpos-bufferpos+buffercontent;
gotorecordnumber(bufferrec);
UInt16 thishdr_uid, thishdr_nParagraphs;
UInt32 thishdr_size;
UInt8 thishdr_type, thishdr_reserved;
GetHeader(thishdr_uid, thishdr_nParagraphs, thishdr_size, thishdr_type, thishdr_reserved);
if ((thishdr_reserved && continuation_bit) != 0)
{
for (UInt16 recptr = bufferrec+1; recptr < ntohs(head.recordList.numRecords); recptr++)
{
gotorecordnumber(recptr);
UInt16 thishdr_uid, thishdr_nParagraphs;
UInt32 thishdr_size;
UInt8 thishdr_type, thishdr_reserved;
GetHeader(thishdr_uid, thishdr_nParagraphs, thishdr_size, thishdr_type, thishdr_reserved);
// qDebug("recptr %u bufferrec %u type %u m_reserved %u", recptr, bufferrec, typ
if (thishdr_type < 2)
{
textlength += thishdr_size;
if ((thishdr_reserved && continuation_bit) == 0) break;
}
}
}
return textlength;
}
#ifndef __STATIC
extern "C"
{
CExpander* newcodec() { return new CArriere; }
}
#endif
#endif
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