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parses ASCII codes too

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This commit is contained in:
y4my4my4m 2023-04-30 16:48:57 +09:00
parent b24fd9f080
commit 50eda1dcd1
1 changed files with 57 additions and 12 deletions

69
src/Home/Net/Programs/Telnet.ZC
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@ -70,6 +70,50 @@ U0 SendTerminalType(I64 sock, U8 *terminal_type) {
TCPSocketSendString(sock, response);
}
U0 HandleControlCodes(U8 ch) {
if (ch < 32) { // ASCII code below 32 (control character)
switch (ch) {
case 0: // NUL (Null)
// Typically ignored
break;
case 7: // BEL (Bell)
// Make a beep sound or flash the screen
Beep;
break;
case 8: // BS (Backspace)
"%c%c%c", 8, ' ', 8; // Move cursor back, erase character, move cursor back again
break;
case 9: // HT (Horizontal Tab)
// Move the cursor to the next tab stop (typically 8 spaces)
break;
case 10: // LF (Line Feed)
"%c", ch;
break;
case 11: // VT (Vertical Tab)
// Move the cursor down one line
break;
case 12: // FF (Form Feed)
DocClear;
break;
case 13: // CR (Carriage Return)
"\r";
break;
case 14: // SO (Shift Out)
// Switch to an alternate character set
break;
case 15: // SI (Shift In)
// Switch back to the default character set
break;
// Add cases for other control codes as needed
default:
break;
}
} else {
"%c", ch;
}
}
U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
I64 sock, bytes_received, input_len;
U8 buffer[BUF_SIZE], input_buffer[BUF_SIZE], *ptr, ch;
@ -119,7 +163,7 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
response[3] = '\0';
TCPSocketSendString(sock, response);
SendTerminalType(sock, "ANSI");
SendWindowSize(sock, 40, 80);
// SendWindowSize(sock, 40, 80);
ptr += 3;
} else {
response[1] = 0xFC; // WONT
@ -133,7 +177,7 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
response[2] = option_code;
response[3] = '\0';
TCPSocketSendString(sock, response);
// TCPSocketSendString(sock, response);
ptr += 3;
} else if (*ptr == 0x1B) {
// ANSI escape sequence
@ -153,11 +197,11 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
} else if (*ptr == 'm') {
ptr++;
if (ansi_code >= 30 && ansi_code <= 37) {
// Set foreground color
Print("%s", AppendColorString(ansi_code - 30, buffer));
//Set foreground color
Print("%s", AppendColorString(ansi_code - 30, *ptr));
} else if (ansi_code >= 40 && ansi_code <= 47) {
// Set background color
Print("%s", AppendColorString(ansi_code - 40, buffer));
Print("%s", AppendColorString(ansi_code - 40, *ptr));
}
break;
} else if (*ptr == 'H') {
@ -191,7 +235,7 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
}
} else {
// Print the received character
"%c", *ptr;
HandleControlCodes(*ptr);
ptr++;
}
}
@ -219,16 +263,16 @@ U0 Telnet(U8 *host, U16 port=TELNET_PORT) {
}
} else {
*line++ = ch;
"%c", ch;
HandleControlCodes(ch);
}
}
*line++ = '\r';
*line++ = '\n';
*line = '\0';
if (!force_disconnect) {
SysLog("Sending: %s\n", input_buffer); // Debugging line
TCPSocketSendString(sock, input_buffer);
// SysLog("Sending: %s\n", input_buffer); // Debugging line
TCPSocketSendString(sock, line);
} else {
"Force disconnecting...\n";
break;
@ -260,6 +304,7 @@ U0 TelnetPrompt() {
}
// Dev auto-connect to test server
Telnet("mbrserver.com");
// Telnet("mbrserver.com");
// Telnet("freechess.org");
// Telnet("dura-bbs.net", 6359);
Telnet("dura-bbs.net", 6359);
//Telnet("darkrealms.ca");