Pipe prototype.

Author: dani007200964

src/Commander-API.cpp

@@ -228,12 +228,26 @@ void Commander::executeCommand( char *cmd ){
 	// Pointer to the selected command data.
 	API_t *commandData_ptr;
 
+	int32_t pipePos;
+
 	// Copy the command data to the internal buffer.
 	// It is necessary because we have to modify the content
 	// of it. If it is points to a const char array we will
 	// get a bus-fault error without a buffer.
 	strncpy( tempBuff, cmd, COMMANDER_MAX_COMMAND_SIZE );
 
+	// Remove whitespaces at the beginning.
+	while( *tempBuff = ' ' ){
+		tempBuff++;
+	}
+
+	pipePos = hasChar( tempBuff, '|' );
+
+	if( pipePos > 0 ){
+
+		tempBuff[ pipePos ] = '\0';
+
+	}
 
 	// tempBuff is the address of the first character of the incoming command.
 	// If we give arg variable the value stored in tempBuff means arg will point to
@@ -272,6 +286,13 @@ void Commander::executeCommand( char *cmd ){
 
 	}
 
+	else if( *arg == '|' ){
+
+		*arg = '\0';
+		arg++;
+
+	}
+
 	// Try to find the command datata.
 	commandData_ptr = (*this)[ tempBuff ];
 
@@ -289,12 +310,37 @@ void Commander::executeCommand( char *cmd ){
 
 		}
 
+		// Example: random 0 180 | setServo
+
 		// If show_description flag is not set, than we have to execute the commands function.
 		else{
 
+			if( pipePos > 0 ){
+
+				// TODO Switch response to pipe response.
+				response = &pipeResponse;
+
+			}
+
+			// TODO if the internal buffer has data, the arg has to be replaced with that.
+			if( pipeResponse.available() ){
+
+				arg = pipeResponse.getData();
+
+			}
+
 			// Execute commands function.
 			(commandData_ptr -> func)( arg, response );
 
+			pipeResponse.flush();
+
+			// TODO recursive function call.
+			if( pipePos > 0 ){
+
+				executeCommand( cmd + pipePos );
+
+			}
+
 		}
 
 	}
@@ -621,3 +667,23 @@ void Commander::helpFunction( bool description ){
 	}
 
 }
+
+int32_t Commander::hasChar( char* str, char c ){
+
+	int32_t cntr = 0;
+
+	while( str[ cntr ] ){
+
+		if( str[ cntr ] == c ){
+
+			return cntr;
+
+		}
+
+		cntr++;
+
+	}
+
+	return -1;
+
+}

src/Commander-API.hpp

@@ -35,7 +35,7 @@ SOFTWARE.
 #ifndef COMMANDER_API_SRC_COMMANDER_HPP_
 #define COMMANDER_API_SRC_COMMANDER_HPP_
 
-#define COMMANDER_API_VERSION (const char*)"2.0.1"
+#define COMMANDER_API_VERSION (const char*)"2.1.0"
 
 #include "stdint.h"
 #include "string.h"
@@ -339,6 +339,8 @@ class Commander{
 	commandResponseWiFiClient WiFiClientDebugResponse;
 	#endif
 
+	commandResponsePipe pipeResponse;
+
 	/// Pointer to response class. By default it
 	/// points to the default debug response handler.
 	commandResponse *dbgResponse = &defaultDebugResponse;
@@ -375,6 +377,10 @@ class Commander{
 	/// the description data for all commands.
 	void helpFunction( bool description = false );
 
+	int32_t hasChar( char* str, char c );
+
+	char pipeBuffer[COMMANDER_MAX_COMMAND_SIZE];
+
 };