forked from ChrisVeigl/BrainBay
/
ob_file_reader.cpp
436 lines (359 loc) · 10.9 KB
/
ob_file_reader.cpp
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/* -----------------------------------------------------------------------------
BrainBay Version 1.7, GPL 2003-2010, contact: chris@shifz.org
MODULE: OB_FILE_READER.CPP: contains the FILE - Reader-Object
Author: Chris Veigl
Using this Object, a File containing raw or ASCII-integer values
of signals can be read. Delimiters for the Columns can be selected
the Signals are fed to the output-ports.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; See the
GNU General Public License for more details.
-----------------------------------------------------------------------------*/
#include "brainBay.h"
#include "ob_file_reader.h"
int open_textarchive(FILE_READEROBJ * st)
{
char tmp1[256],tmp[2];
int i,op=0;
unsigned int max=0;
DWORD dwRead;
st->file=CreateFile(st->filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
if (st->file==INVALID_HANDLE_VALUE)
{
strcpy(st->filename,"none");
st->state=0;
return(0);
}
i=0;
if (st->format<5)
{
do
{
tmp[0]=0;
ReadFile(st->file,tmp,1,&dwRead,NULL);
} while ((dwRead!=0) && (tmp[0]!=10));
i=0;tmp[1]=0;tmp1[0]=0;
do
{
tmp[0]=0;
ReadFile(st->file,tmp,1,&dwRead,NULL);
if ((tmp[0]!=13)&&(tmp[0]!=10)&&(tmp[0]!=9)&&(tmp[0]!=','))
strcat(tmp1,tmp);
else if ((tmp[0]==9)||(tmp[0]==',')||(tmp[0]==13))
{
if (strlen(tmp1)>19) tmp1[19]=0;
if (max<strlen(tmp1)) max=strlen(tmp1);
strcpy(st->out_ports[op].out_name,tmp1);
strcpy(st->out_ports[op++].out_desc,tmp1);
tmp1[0]=0;
}
} while ((dwRead!=0) && (tmp[0]!=10));
if (op>0) st->outports=op;
}
else
{
st->outports=1;
strcpy(st->out_ports[0].out_name,"chn1");
}
st->height=CON_START+st->outports*CON_HEIGHT+5;
if (max<10) max=0; else max-=10;
st->width=70+max*5;
return(1);
}
LRESULT CALLBACK FileReaderDlgHandler( HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam )
{
FILE_READEROBJ * st;
static int actchn;
st = (FILE_READEROBJ *) actobject;
if ((st==NULL)||(st->type!=OB_FILE_READER)) return(FALSE);
switch( message )
{
case WM_INITDIALOG:
SetDlgItemText(hDlg, IDC_FILENAME, st->filename);
SendDlgItemMessage(hDlg,IDC_FORMATCOMBO,CB_ADDSTRING,0,(LPARAM) (LPSTR) "ASCII-Integer Values, TAB / CR+LF delimited");
SendDlgItemMessage(hDlg,IDC_FORMATCOMBO,CB_ADDSTRING,0,(LPARAM) (LPSTR) "ASCII-Integer Values, Comma / CR+LF delimited");
SendDlgItemMessage(hDlg,IDC_FORMATCOMBO,CB_ADDSTRING,0,(LPARAM) (LPSTR) "ASCII-Float Values, TAB / CR+LF delimited");
SendDlgItemMessage(hDlg,IDC_FORMATCOMBO,CB_ADDSTRING,0,(LPARAM) (LPSTR) "ASCII-Float Values, Comma / CR+LF delimited");
SendDlgItemMessage(hDlg,IDC_FORMATCOMBO,CB_ADDSTRING,0,(LPARAM) (LPSTR) "ASCII-BioExplorer with header");
SendDlgItemMessage(hDlg,IDC_FORMATCOMBO,CB_ADDSTRING,0,(LPARAM) (LPSTR) "1-Channel raw integer 16bit signed");
SendDlgItemMessage(hDlg,IDC_FORMATCOMBO,CB_ADDSTRING,0,(LPARAM) (LPSTR) "1-Channel raw integer 16bit unsigned");
SendDlgItemMessage(hDlg, IDC_FORMATCOMBO, CB_SETCURSEL, st->format, 0L ) ;
if (st->state)
{
SetDlgItemText(hDlg,IDC_FILESTATUS,"reading File");
EnableWindow(GetDlgItem(hDlg, IDC_OPENFILE), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_START), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_STOP), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), FALSE);
}
else
{
if (st->file!=INVALID_HANDLE_VALUE)
{
SetDlgItemText(hDlg,IDC_FILESTATUS,"File opened");
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), TRUE);
}
else
{
SetDlgItemText(hDlg,IDC_FILESTATUS,"File not opened.");
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), FALSE);
}
EnableWindow(GetDlgItem(hDlg, IDC_OPENFILE), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_START), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_STOP), FALSE);
}
return TRUE;
case WM_CLOSE:
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDC_OPENFILE:
if (!strcmp(st->filename,"none"))
{
strcpy(st->filename,GLOBAL.resourcepath);
strcat(st->filename,"ARCHIVES\\*.*");
}
if (open_file_dlg(ghWndMain,st->filename, FT_TXT, OPEN_LOAD))
{
if (!open_textarchive(st))
SetDlgItemText(hDlg,IDC_FILESTATUS,"Could not open File");
else
{
EnableWindow(GetDlgItem(hDlg, IDC_OPENFILE), FALSE); EnableWindow(GetDlgItem(hDlg, IDC_START), TRUE);
SetDlgItemText(hDlg,IDC_FILESTATUS,"File opened");
}
}
get_session_length();
SetDlgItemText(hDlg,IDC_FILENAME,st->filename);
InvalidateRect(ghWndDesign,NULL,TRUE);
break;
case IDC_START:
if ((st->outports>0) &&(st->file!=INVALID_HANDLE_VALUE))
{
SetDlgItemText(hDlg,IDC_FILESTATUS, "reading File");
// START FILE READING
st->state=1;
EnableWindow(GetDlgItem(hDlg, IDC_START), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_STOP), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), FALSE);
} else SetDlgItemText(hDlg,IDC_FILESTATUS, "No Channels available.");
break;
case IDC_STOP:
SetDlgItemText(hDlg,IDC_FILESTATUS, "stopped");
st->state=0;
EnableWindow(GetDlgItem(hDlg, IDC_START), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_OPENFILE), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_STOP), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), TRUE);
break;
case IDC_CLOSE:
SetDlgItemText(hDlg,IDC_FILESTATUS, "file closed.");
st->state=0;
if (st->file!=INVALID_HANDLE_VALUE) CloseHandle(st->file);
st->file=INVALID_HANDLE_VALUE;
EnableWindow(GetDlgItem(hDlg, IDC_OPENFILE), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_START), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), FALSE);
get_session_length();
st->samplecount=0;
InvalidateRect(ghWndDesign,NULL,TRUE);
break;
case IDC_FORMATCOMBO:
if (HIWORD(wParam)==CBN_SELCHANGE)
{
st->format=SendMessage(GetDlgItem(hDlg, IDC_FORMATCOMBO), CB_GETCURSEL , 0, 0);
}
break;
}
return TRUE;
case WM_SIZE:
case WM_MOVE: update_toolbox_position(hDlg);
break;
return TRUE;
}
return FALSE;
}
//
// Object Implementation
//
FILE_READEROBJ::FILE_READEROBJ(int num) : BASE_CL()
{
outports = 1;
inports = 0;
width=70;
height=50;
samplecount=0;
state=0; format=0;
file=INVALID_HANDLE_VALUE;
strcpy(filename,"none");
}
void FILE_READEROBJ::session_start(void)
{
if ((file!=INVALID_HANDLE_VALUE)&&(outports>0))
{
state=1;
if (hDlg==ghWndToolbox)
{
SetDlgItemText(hDlg,IDC_FILESTATUS, "reading File");
EnableWindow(GetDlgItem(hDlg, IDC_START), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_STOP), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), FALSE);
}
}
}
void FILE_READEROBJ::session_stop(void)
{
if (file!=INVALID_HANDLE_VALUE) state=0;
if (hDlg==ghWndToolbox)
{
SetDlgItemText(hDlg,IDC_FILESTATUS, "stopped");
EnableWindow(GetDlgItem(hDlg, IDC_START), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_OPENFILE), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_STOP), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), TRUE);
}
}
void FILE_READEROBJ::session_reset(void)
{
state=0;
if (file!=INVALID_HANDLE_VALUE)
{
if (format<5)
SetFilePointer(file,0,NULL,FILE_BEGIN);
else SetFilePointer(file,0,NULL,FILE_BEGIN+1);
if (hDlg==ghWndToolbox)
{
SetDlgItemText(hDlg,IDC_FILESTATUS, "stopped");
EnableWindow(GetDlgItem(hDlg, IDC_START), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_OPENFILE), TRUE);
EnableWindow(GetDlgItem(hDlg, IDC_STOP), FALSE);
EnableWindow(GetDlgItem(hDlg, IDC_CLOSE), TRUE);
}
}
}
void FILE_READEROBJ::session_pos(long pos)
{
char tmp[2];
DWORD dwRead=1;
long p=0,i=0;
if((pos<0) || (file==INVALID_HANDLE_VALUE)) return;
if (pos>samplecount)
{
SetFilePointer(file,0,NULL,FILE_END);
return;
}
SetFilePointer(file,0,NULL,FILE_BEGIN);
p=0;tmp[0]=0;
while ((p<pos) && (dwRead))
{
ReadFile(file,tmp,1,&dwRead,NULL);
if (format<5) { if (tmp[0]==13) p++; }
else {i++; if (i%2) p++; }
}
}
long FILE_READEROBJ::session_length(void)
{
char tmp[2];
DWORD dwRead=1;
long p=0;
int i=0;
if (file==INVALID_HANDLE_VALUE) return(0);
SetFilePointer(file,0,NULL,FILE_BEGIN);
p=0;tmp[0]=0;
while (dwRead)
{
ReadFile(file,tmp,1,&dwRead,NULL);
if (format<5) { if (tmp[0]==13) p++; }
else p++;
}
SetFilePointer(file,0,NULL,FILE_BEGIN);
if (format==4)
while ((dwRead)&&(i<2));
{
ReadFile(file,tmp,1,&dwRead,NULL);
if (tmp[0]==13) i++;
}
if (format<5) samplecount=p; else samplecount=p/2;
return(samplecount);
}
void FILE_READEROBJ::make_dialog(void)
{
display_toolbox(hDlg=CreateDialog(hInst, (LPCTSTR)IDD_FILE_READERBOX, ghWndStatusbox, (DLGPROC)FileReaderDlgHandler));
}
void FILE_READEROBJ::load(HANDLE hFile)
{
load_object_basics(this);
load_property("filename",P_STRING,&filename);
load_property("format",P_INT,&format);
load_property("outports",P_INT,&outports);
height=CON_START+outports*CON_HEIGHT+5;
if (strcmp(filename,"none")) open_textarchive(this);
}
void FILE_READEROBJ::save(HANDLE hFile)
{
save_object_basics(hFile, this);
save_property(hFile,"filename",P_STRING,&filename);
save_property(hFile,"format",P_INT,&format);
save_property(hFile,"outports",P_INT,&outports);
}
void FILE_READEROBJ::work(void)
{
int x,d;
float f;
char tmp[2],tmp1[256];
DWORD dwRead;
int s_int;
unsigned int u_int;
if ((outports==0)||(state==0)||(file==INVALID_HANDLE_VALUE)) return;
if (format<5)
{
for (x=0;x<outports;x++)
{
tmp1[0]=0;tmp[1]=0;
do
{
tmp[0]=0;
ReadFile(file,tmp,1,&dwRead,NULL);
if (((tmp[0]>='0')&&(tmp[0]<='9'))||(tmp[0]=='.')||(tmp[0]=='-'))
strcat(tmp1,tmp);
} while ((tmp[0]!=0) && (tmp[0]!=13)&&(tmp[0]!=9)&&(tmp[0]!=','));
tmp1[strlen(tmp1)]=0;
if ((format==2)||(format==3)||(format==4))
{
// SetDlgItemText(ghWndStatusbox,IDC_STATUS,tmp1);
sscanf(tmp1,"%f",&f);
if (format==4) pass_values(x,f*1000000); else pass_values(x,f);
}
else
{
sscanf(tmp1,"%d",&d);
pass_values(x,(float)d);
}
}
}
else
{
ReadFile(file,tmp1,2,&dwRead,NULL);
if (format==5)
{
s_int= (tmp1[1]<<8) + tmp1[0];
f=(float)(s_int);
}
else
{
u_int= (tmp1[1]<<8) + tmp1[0];
f=(float)(u_int);
}
pass_values(0,f);
}
}
FILE_READEROBJ::~FILE_READEROBJ()
{
if (file)
{
CloseHandle(file);
}
}