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Make parser more fool proof

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This commit is contained in:
Harald Barth 2023-08-30 23:55:39 +02:00
parent 26ddd27ecf
commit 01919b33df
1 changed files with 18 additions and 10 deletions
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14
DCCEXParser.cpp
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@ -451,10 +451,14 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
#ifndef DISABLE_PROG #ifndef DISABLE_PROG
case 'w': // WRITE CV on MAIN <w CAB CV VALUE> case 'w': // WRITE CV on MAIN <w CAB CV VALUE>
if (params != 3)
break;
DCC::writeCVByteMain(p[0], p[1], p[2]); DCC::writeCVByteMain(p[0], p[1], p[2]);
return; return;
case 'b': // WRITE CV BIT ON MAIN <b CAB CV BIT VALUE> case 'b': // WRITE CV BIT ON MAIN <b CAB CV BIT VALUE>
if (params != 4)
break;
DCC::writeCVBitMain(p[0], p[1], p[2], p[3]); DCC::writeCVBitMain(p[0], p[1], p[2], p[3]);
return; return;
#endif #endif
@ -485,8 +489,10 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
DCC::setLocoId(p[0],callback_Wloco); DCC::setLocoId(p[0],callback_Wloco);
else if (params == 4) // WRITE CV ON PROG <W CV VALUE [CALLBACKNUM] [CALLBACKSUB]> else if (params == 4) // WRITE CV ON PROG <W CV VALUE [CALLBACKNUM] [CALLBACKSUB]>
DCC::writeCVByte(p[0], p[1], callback_W4); DCC::writeCVByte(p[0], p[1], callback_W4);
else // WRITE CV ON PROG <W CV VALUE> else if (params == 2) // WRITE CV ON PROG <W CV VALUE>
DCC::writeCVByte(p[0], p[1], callback_W); DCC::writeCVByte(p[0], p[1], callback_W);
else
break;
return; return;
case 'V': // VERIFY CV ON PROG <V CV VALUE> <V CV BIT 0|1> case 'V': // VERIFY CV ON PROG <V CV VALUE> <V CV BIT 0|1>
@ -506,7 +512,9 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
} }
break; break;
case 'B': // WRITE CV BIT ON PROG <B CV BIT VALUE CALLBACKNUM CALLBACKSUB> case 'B': // WRITE CV BIT ON PROG <B CV BIT VALUE CALLBACKNUM CALLBACKSUB> or <B CV BIT VALUE>
if (params != 3 && params != 5)
break;
if (!stashCallback(stream, p, ringStream)) if (!stashCallback(stream, p, ringStream))
break; break;
DCC::writeCVBit(p[0], p[1], p[2], callback_B); DCC::writeCVBit(p[0], p[1], p[2], callback_B);
@ -642,7 +650,7 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
case 'D': // < > case 'D': // < >
if (parseD(stream, params, p)) if (parseD(stream, params, p))
return; return;
return; break;
#endif #endif
case '=': // <= Track manager control > case '=': // <= Track manager control >
if (TrackManager::parseJ(stream, params, p)) if (TrackManager::parseJ(stream, params, p))