?? transfer.cpp
字號:
case 1: // file not found
case 2: // user cancelled transfer
case 3: // fatal protocol error
case 4: // receiver cancelled download
case 5: // file error
case 14: // user cancelled upload
ul_win.Display(dl_msg[rc]); // give user a message
loop = 0; // ..clear loop control
break; // ..and exit loop
}
}
free(filename); // release memory
wait_ms(3000L); // ..wait a bit
return(ESC); // ..then return to caller
}
/* ******************************************************************** *
*
* ul_ymodem() -- ymodem upload menu routine
*
* ******************************************************************** */
int ul_ymodem(int c, int r) // column and row for window
{
Window ul_win(c, r, // define temporary window
c + 45, r + 7, // ..to hold message
menu_cn, menu_cr); // ..using system colors
char *st[5] = { 0, 0, 0, 0, 0}, // send table
*wc, // work pointer
*blanks = " "; // blanks
YModem ymodem(comm, ym_stat, &ul_win); // define YMODEM instance
int idx = 0, // current index
i, // work variable
k, // keystroke
loop = 1; // loop indicator
ul_win.Open(double_line); // open window with a border
ul_win.Display(dl_msg[16]); // initialize the window
idx = 2; // initial entry ..
while (loop) // loop till user exits
{
for (i = 0; i < 5; i++) // for each entry
{
ul_win.GotoXY(3, i+2); // position the cursor
if (st[i]) // q. entry filled in?
touppers(st[i]); // a. yes .. uppercase it
if ((i + 2) == idx) // q. current entry?
ul_win.DisplayReverse( // a. yes .. in reverse
st[i] ? st[i] : blanks); // .. display field or blanks
else
ul_win.Display( // else .. in normal
st[i] ? st[i] : blanks); // .. display field or blanks
}
while (NOT (k = get_key(NO_ALT))) // wait for a key
; // ..before continuing
switch (k) // based on keyboard input
{
case SPACE: // edit selected entry
field_edit(&ul_win, 3, idx, // edit the field
&st[idx - 2], 12);
if (! first_nonblank(st[idx-2]))// q. empty string?
{
free(st[idx-2]); // a. yes .. release memory
st[idx-2] = NULL; // .. kill the pointer
}
break;
case CR: // send the files
loop = 0; // ..exit the loop
break;
case UP: // move up list
if (--idx < 2) // q. already at top of list?
idx = 6; // a. yes .. go to bottom
break; // wait for next key
case DOWN: // move down list
if (++idx == 7) // q. already at bottom?
idx = 2; // a. yes .. goto top of list
break; // wait for next key
case ESC: // escape from this menu
k = 0; // set key value to zero
// ..and fall into next case
case LEFT: // move left
case RIGHT: // ..or move right
for (i = 0; i < 5; i++) // for each entry in SendTable
if (st[i]) // q. entry used?
{ // a. yes ..
free(st[i]); // .. free the memory
st[i] = NULL; // .. clear the pointer
}
return(k); // just rtn with the keystroke
default: // error case
printf(BELL); // ..just ring the bell
}
}
for (i = 0; i < 5; i++) // remove trailing blanks
if ((wc = strchr(st[i], ' ')) != 0) // q. blank found?
*wc = 0; // a. yes .. end string there
ul_win.Clear(); // clear upload window
ul_win.GotoXY(1, 1); // start from new position
ymodem.Send(st); // perform the upload
for (i = 0; i < 5; i++) // for each entry in SendTable
if (st[i]) // q. entry used?
{ // a. yes ..
free(st[i]); // .. free the memory
st[i] = NULL; // .. clear the pointer
}
wait_ms(3000L); // ..and wait a bit
return(ESC); // ..and return to caller
}
/* ******************************************************************** *
*
* fax_list() -- select phone book entry for fax number
*
* ******************************************************************** */
char *fax_list(int c, int r) // column and row for window
{
int i, // loop counter
k, // keyboard input
idx; // line index
char b[40], // work buffer
*p; // work pointer
Window faxno_win(c, r, c + 35, // define temporary window
r + COUNT(phonebook) + 1, // ..to hold fax number list
menu_cn, menu_cr); // ..using system colors
faxno_win.Open(double_line); // open window with a border
idx = 0; // set up for first entry
while(1) // loop till user exits
{
for (i = 0; i < COUNT(phonebook); i++) // walk thru phonebook
{
if ((p = phonebook[i].PB_NAME) == 0)// q. name available?
p = ""; // a. no .. point at null str
sprintf(b, "%2d. %-27.27s", // format a buffer with name
i + 1, p); // ..and line number
faxno_win.GotoXY(2, i + 1); // position to start of line
if (i == idx) // q. selected line?
faxno_win.DisplayReverse(b); // a. yes .. highlight line
else
faxno_win.Display(b); // else .. just display it
}
while (NOT (k = get_key(NO_ALT))) // wait for a key
; // ..before continuing
switch (k) // based on keyboard input
{
case CR: // entry selected
return(phonebook[idx].PB_FAX); // ..return the fax number
case UP: // move up list
if (--idx < 0) // q. already at top of list?
idx = COUNT(phonebook) - 1; // a. yes .. goto bottom
break; // wait for next key
case DOWN: // move down list
if (++idx == COUNT(phonebook)) // q. already at bottom?
idx = 0; // a. yes .. goto top of list
break; // wait for next key
case ESC: // escape from this menu
return(NULL); // set key value to zero
// ..and fall into next case
default: // error case
printf(BELL); // ..just ring the bell
}
}
}
/* ******************************************************************** *
*
* rcv_fax() -- receive a fax
*
* ******************************************************************** */
int rcv_fax(int c, int r) // column and row for window
{
Window fax_win(c-20, r, // define temporary window
c + 25, r + 18, // ..to hold message
menu_cn, menu_cr); // ..using system colors
Fax fax(comm, // define Fax instance
user_commands.Find("SID"),
fax_stat, &fax_win);
char *filename = 0, // file to receive
msgbuf[50]; // message buffer
fax_win.Open(double_line); // open window with a border
fax_win.Display(fax_msgs[40]); // give filename prompt
if (field_edit(&fax_win, // q. prompt for the filename
strlen(dl_msg[0]) + 1, 1, // ..on the 1st row, did we
&filename, 12) == 0) // ..get a good user response?
return(ESC); // a. no .. return to caller
if (NOT first_nonblank(filename)) // q. empty string?
{
free(filename); // a. yes .. release memory
return(ESC); // ..and return to caller
}
touppers(filename); // uppercase the file name
fax_win.Clear(); // clear the window
sprintf(msgbuf, fax_msgs[0], "Receiving", // format initial message
filename);
fax_win.DisplayReverse(msgbuf); // display initial message
fax.Receive(filename); // receive a fax
free(filename); // free the file name buffer
fax_win.DisplayReverse( // display request for a key
" -- Press any key to continue -- ");
while (NOT get_key(NO_ALT)) // wait for a key
; // ..before closing down
return(ESC); // ..and return to caller
}
/* ******************************************************************** *
*
* send_fax() -- send a fax
*
* ******************************************************************** */
int send_fax(int c, int r) // column and row for window
{
Window fax_win(c-20, r, // define temporary window
c + 25, r + 18, // ..to hold message
menu_cn, menu_cr); // ..using system colors
Fax fax(comm, // define Fax instance
user_commands.Find("SID"),
fax_stat, &fax_win);
char *faxno, // pointer to fax telephone no.
*filename = 0, // file to receive
msgbuf[50]; // message buffer
faxno = fax_list(c, r); // select an entry
if (faxno) // q. any fax number?
{ // a. yes ..
fax_win.Open(double_line); // open window with a border
fax_win.Display(fax_msgs[40]); // give filename prompt
if (field_edit(&fax_win, // q. prompt for the filename
strlen(dl_msg[0]) + 1, 1, // ..on the 1st row, did we
&filename, 12) == 0) // ..get a good user response?
return(ESC); // a. no .. return to caller
if (NOT first_nonblank(filename)) // q. empty string?
{ // a. yee ..
free(filename); // .. release memory
return(ESC); // ..and return to caller
}
touppers(filename); // uppercase the file name
fax_win.Clear(); // clear the window
sprintf(msgbuf, fax_msgs[0], "Sending", // format initial message
filename);
fax_win.DisplayReverse(msgbuf); // display initial message
sprintf(msgbuf, "Calling: %s\r\n", // format calling message
faxno);
fax_win.Display(msgbuf); // display calling message
fax.Send(filename, faxno); // send a fax
free(filename); // free the file name buffer
fax_win.DisplayReverse( // display request for a key
" -- Press any key to continue -- ");
while (NOT get_key(NO_ALT)) // wait for a key
; // ..before closing down
}
return(ESC); // ..and return to caller
}
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