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#ifndef __Text_h
#define __Text_h
#include <stdio.h>
#include <zlib.h>
#include <sys/stat.h>
#ifdef USEQPE
#include <qpe/global.h>
#endif
#include "CExpander.h"
class Text: public CExpander {
gzFile file;
unsigned long fsize;
public:
void suspend()
{
#ifdef USEQPE
if (!bSuspended)
{
bSuspended = true;
suspos = gztell(file);
gzclose(file);
file = NULL;
sustime = time(NULL);
}
#endif
}
void unsuspend()
{
#ifdef USEQPE
if (bSuspended)
{
bSuspended = false;
if (sustime != ((time_t)-1))
{
int delay = time(NULL) - sustime;
if (delay < 10)
{
Global::statusMessage("Stalling");
sleep(10-delay);
}
}
file = gzopen(fname, "rb");
for (int i = 0; file == NULL && i < 5; i++)
{
Global::statusMessage("Stalling");
sleep(5);
file = gzopen(fname, "rb");
}
if (file == NULL)
{
QMessageBox::warning(NULL, PROGNAME, "Couldn't reopen file");
exit(0);
}
suspos = gzseek(file, suspos, SEEK_SET);
}
#endif
}
Text() : file(NULL) {};
virtual ~Text()
{
if (file != NULL)
{
#ifdef USEQPE
unsuspend();
#endif
gzclose(file);
}
}
int OpenFile(const char *src)
{
if (file != NULL) gzclose(file);
struct stat _stat;
stat(src,&_stat);
fsize = _stat.st_size;
return ((file = gzopen(src,"rb")) == NULL);
}
int getch()
{
#ifdef USEQPE
unsuspend();
#endif
return gzgetc(file);
}
unsigned int locate()
{
#ifdef USEQPE
unsuspend();
#endif
return gztell(file);
}
void locate(unsigned int n)
{
#ifdef USEQPE
unsuspend();
#endif
gzseek(file,n,SEEK_SET);
}
bool hasrandomaccess() { return true; }
void sizes(unsigned long& _file, unsigned long& _text)
{
_text = _file = fsize;
FILE* f = fopen(fname, "rb");
if (f != NULL)
{
unsigned char mn[2];
fread(mn, 1, 2, f);
if ((mn[0] == 31) && (mn[1] == 139))
{
int tmp = sizeof(_text);
fseek(f,-tmp,SEEK_END);
fread(&_text, sizeof(_text), 1, f);
}
fclose(f);
}
}
MarkupType PreferredMarkup()
{
return cTEXT;
}
QString about() { return QString("Text/gzipped text codec (c) Tim Wentford"); }
};
#endif
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