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#ifndef __BuffDoc_h
#define __BuffDoc_h
#include "CBuffer.h"
#include "ZText.h"
#include "Aportis.h"
#include "ztxt.h"
#include "ppm_expander.h"
#include "CFilter.h"
#include <qfontmetrics.h>
#include <qmessagebox.h>
class BuffDoc
{
CBuffer lastword;
CSizeBuffer lastsizes, allsizes;
size_t laststartline;
bool lastispara;
CExpander* exp;
CFilterChain* filt;
QFontMetrics* m_fm;
public:
~BuffDoc()
{
delete filt;
delete exp;
}
BuffDoc() : m_fm(NULL)
{
exp = NULL;
filt = NULL;
// qDebug("Buffdoc created");
}
bool empty() { return (exp == NULL); }
void setfm(QFontMetrics* fm)
{
m_fm = fm;
// qDebug("Buffdoc:setfm");
}
void setfilter(CFilterChain* _f)
{
if (filt != NULL) delete filt;
filt = _f;
filt->setsource(exp);
}
CList<Bkmk>* getbkmklist() { return exp->getbkmklist(); }
bool hasrandomaccess() { return (exp == NULL) ? false : exp->hasrandomaccess(); }
bool iseol() { return (lastword[0] == '\0'); }
int openfile(QWidget* _parent, const char *src)
{
// qDebug("BuffDoc:Openfile:%s", src);
// qDebug("Trying aportis %x",exp);
if (exp != NULL) delete exp;
lastword[0] = '\0';
lastsizes[0] = laststartline = 0;
lastispara = false;
/*
exp = new Text;
int ret = exp->openfile(src);
*/
exp = new Aportis;
// qDebug("Calling openfile");
int ret = exp->openfile(src);
// qDebug("Called openfile");
if (ret == -1)
{
// qDebug("problem opening source file:%s",src);
delete exp;
exp = NULL;
return ret;
}
if (ret == -2)
{
delete exp;
// qDebug("Trying ztxt");
exp = new ztxt;
ret = exp->openfile(src);
}
#ifndef SMALL
if (ret != 0)
{
delete exp;
// qDebug("Trying ppms");
exp = new ppm_expander;
ret = exp->openfile(src);
}
if (ret != 0)
{
delete exp;
exp = new Text;
// qDebug("Trying text");
ret = exp->openfile(src);
}
#else
if (ret != 0)
{
delete exp;
exp = new Text;
ret = exp->openfile(src);
}
#endif
if (ret != 0)
{
delete exp;
QMessageBox::information(_parent, "QTReader", "Unknown file compression type","Try another file");
return ret;
}
// qDebug("Doing final open:%x:%x",exp,filt);
lastword[0] = '\0';
lastsizes[0] = laststartline = 0;
lastispara = false;
exp->locate(0);
filt->setsource(exp);
// qDebug("BuffDoc:file opened");
return 0;
}
int getch() { return (exp == NULL) ? UEOF : filt->getch(); }
unsigned int locate() { return (exp == NULL) ? 0 : laststartline; }
void locate(unsigned int n);
bool getline(CBuffer* buff, int w);
bool getline(CBuffer* buff, int w, int cw);
void sizes(unsigned long& fs, unsigned long& ts) { exp->sizes(fs,ts); }
int getpara(CBuffer& buff)
{
int ch, i = 0;
while ((ch = getch()) != 10 && ch != UEOF) buff[i++] = ch;
buff[i] = '\0';
if (i == 0 && ch == UEOF) i = -1;
laststartline = exp->locate();
return i;
}
};
#endif
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