Fixes decimal number parsing bug

Author: hankedan000

CMakeLists.txt

@@ -89,4 +89,7 @@ if(BUILD_TESTING)
 
 	add_test(NAME cpc-checkframe-big-endian-3
 			 COMMAND can-parse checkframe 1800 dbc-files/big-endian-1.dbc)
+	
+	add_test(NAME cpc-checkframe-decimal-scale-1
+			 COMMAND can-parse checkframe dbc-files/decimal-scale-1.dbc)
 endif()

src/parsing/Tokenizer.cpp

@@ -14,6 +14,10 @@ bool isSeparator(char c) {
     c == ')' || c == '(' || c == ',' || c == ';';
 }
 
+bool isAny(char c, const std::string &chars) {
+  return chars.find(c) != std::string::npos;
+}
+
 bool isDigit(char c) {
   return std::isdigit((unsigned char)c);
 }
@@ -243,7 +247,7 @@ std::string Tokenizer::parseNumber(bool& is_float) {
   char currentChar = getNextChar();
   is_float = false;
 
-  while (isDigit(currentChar) && !isEOF(currentChar)) {
+  while ((isDigit(currentChar) || isAny(currentChar,".e"))&& !isEOF(currentChar)) {
     result += currentChar;
     currentChar = getNextChar();
 

tests/dbc-files/decimal-scale-1.dbc

@@ -0,0 +1,37 @@
+VERSION "SingleFrame1.dbc"
+
+NS_ : 
+	CM_
+	BA_DEF_
+	BA_
+	VAL_
+	CAT_DEF_
+	CAT_
+	FILTER
+	BA_DEF_DEF_
+	EV_DATA_
+	ENVVAR_DATA_
+	SGTYPE_
+	SGTYPE_VAL_
+	BA_DEF_SGTYPE_
+	BA_SGTYPE_
+	SIG_TYPE_REF_
+	VAL_TABLE_
+	SIG_GROUP_
+	SIG_VALTYPE_
+	SIGTYPE_VALTYPE_
+	BO_TX_BU_
+	BA_DEF_REL_
+	BA_REL_
+	BA_DEF_DEF_REL_
+	BU_SG_REL_
+	BU_EV_REL_
+	BU_BO_REL_
+
+BS_:
+
+BU_: TestNode
+
+BO_ 1296 TEST_FRAME_1: 2 TestNode
+	SG_ TEST_SIG_1 : 0|8@1+ (1.0,0) [0|0] "" TestNode
+	SG_ TEST_SIG_2 : 8|8@1+ (0.1,0) [0|0] "" TestNode