From 8204cb08658d293e65a27af46c4d4596bdedaf91 Mon Sep 17 00:00:00 2001
From: FReenen <git@finnvanreenen.nl>
Date: Sat, 10 Aug 2024 14:07:55 +0200
Subject: [PATCH] add option to disable the echo

---
 CLI/CLI.c | 48 +++++++++++++++++++++++++++++++++++++-----------
 CLI/CLI.h |  1 +
 2 files changed, 38 insertions(+), 11 deletions(-)

diff --git a/CLI/CLI.c b/CLI/CLI.c
index 3b4161e..90b0d54 100644
--- a/CLI/CLI.c
+++ b/CLI/CLI.c
@@ -30,13 +30,14 @@ CLI_t CLI_init(CLI_charOutFn lineOut, CMDList_t* cmdList)
 	cli.CLI_charOut = lineOut;
 	cli.CMDList = cmdList;
 	cli.CLI_State = CLI_State_Default;
+	cli.echo = true;
 
 	cli.FIFO = FIFOBuffChar_create();
 #ifdef HISTORY
 	cli.History = History_init();
 #endif
 
-	if (cli.CLI_charOut != NULL)
+	if (cli.CLI_charOut != NULL && cli.echo)
 	{
 		CLI_stringOut(&cli, (char*)"> ");
 	}
@@ -168,7 +169,10 @@ int tryExecute(CLI_t* cli, FIFOBuffChar_t* fifo)
 	if (*line == '\0')
 	{ // empty line
 		ret = 1;
-		CLI_stringOut(cli, (char*)"> ");
+		if (cli->echo)
+		{
+			CLI_stringOut(cli, (char*)"> ");
+		}
 	}
 	else
 	{
@@ -182,7 +186,7 @@ int tryExecute(CLI_t* cli, FIFOBuffChar_t* fifo)
 #endif
 		int ret = (*(cmd->fn))(line, cli);
 
-		if (ret != INT_MIN)
+		if (ret != INT_MIN && cli->echo)
 		{
 			CLI_stringOut(cli, (char*)"> ");
 		}
@@ -191,8 +195,12 @@ int tryExecute(CLI_t* cli, FIFOBuffChar_t* fifo)
 	else if (ret == 0)
 	{
 		char err[100];
-		sprintf(&err[0], "command not found: %s\n> ", line);
+		sprintf(&err[0], "command not found: %s\n", line);
 		CLI_stringOut(cli, &err[0]);
+		if (cli->echo)
+		{
+			CLI_stringOut(cli, (char*)"> ");
+		}
 		ret = -1;
 
 #ifdef HISTORY
@@ -222,7 +230,10 @@ bool CLI_charIn(CLI_t* cli, char c)
 			if ((C >= ' ') && (C <= '~')) // see ascii table
 			{
 				FIFOBuffChar_put(cli->FIFO, C); // save char in buffer
-				CLI_charOut_save(cli, c);
+				if (cli->echo)
+				{
+					CLI_charOut_save(cli, c);
+				}
 			}
 			else
 			{
@@ -231,7 +242,10 @@ bool CLI_charIn(CLI_t* cli, char c)
 					case '\n':
 					case '\r':
 						// echo to terminal
-						CLI_charOut_save(cli, c);
+						if (cli->echo)
+						{
+							CLI_charOut_save(cli, c);
+						}
 						// copy buffer and create new buffer
 						FIFOBuffChar_t* fifo = cli->FIFO;
 						cli->FIFO = FIFOBuffChar_create();
@@ -245,7 +259,10 @@ bool CLI_charIn(CLI_t* cli, char c)
 					case 127: // delete (backspace)
 						if (FIFOBuffChar_pop(cli->FIFO))
 						{ // pop something of the buffer
-							CLI_stringOut(cli, (char*)"\x1b[D \x1b[D"); // "<left arrow><space><left arrow>"
+							if (cli->echo)
+							{
+								CLI_stringOut(cli, (char*)"\x1b[D \x1b[D"); // "<left arrow><space><left arrow>"
+							}
 						}
 						break;
 
@@ -254,8 +271,11 @@ bool CLI_charIn(CLI_t* cli, char c)
 						break;
 
 					default:
-						sprintf(&str[0], "\ninvlid char: '%c' - (%i)\n", c, c);
-						CLI_stringOut(cli, &str[0]);
+						if (cli->echo)
+						{
+							sprintf(&str[0], "\ninvlid char: '%c' - (%i)\n", c, c);
+							CLI_stringOut(cli, &str[0]);
+						}
 						break;
 				}
 			}
@@ -285,11 +305,17 @@ bool CLI_charIn(CLI_t* cli, char c)
 					historyNext(cli);
 					break;
 				case 'C': // arrow right
-					CLI_stringOut(cli, (char*)"(key: arrow right)");
+					if (cli->echo)
+					{
+						CLI_stringOut(cli, (char*)"(key: arrow right)");
+					}
 					cli->CLI_State = CLI_State_Default;
 					break;
 				case 'D': // arrow left
-					CLI_stringOut(cli, (char*)"(key: arrow left)");
+					if (cli->echo)
+					{
+						CLI_stringOut(cli, (char*)"(key: arrow left)");
+					}
 					cli->CLI_State = CLI_State_Default;
 					break;
 #endif
diff --git a/CLI/CLI.h b/CLI/CLI.h
index 11ee04b..3d899b7 100644
--- a/CLI/CLI.h
+++ b/CLI/CLI.h
@@ -26,6 +26,7 @@ typedef struct CLI {
    History_t* History;
 #endif
 	CLI_State_t CLI_State;
+	bool echo;
 } CLI_t;
 
 // initilize and register the lineout print function