Diff: token_decoder.h

Revision:

2:7dc265489818

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/token_decoder.h	Sun Jun 14 11:13:56 2020 +0000
@@ -0,0 +1,37 @@
+#ifndef TOKEN_DECODER_H
+#define TOKEN_DECODER_H
+
+#define MAX_TOKEN_NR 2
+#define MAX_KEYWORD_NR 4
+#define MAX_KEYWORD_STRING_LTH 20
+
+typedef enum TokenType {KEYWORD, NUMBER, STRING} TokenType;
+typedef enum KeywordCode {ID, CALIB, GOTO, STEP} KeywordCode;
+enum Result {OK, ERR};
+
+typedef union TokenValue {
+    enum KeywordCode eKeyword;
+    unsigned int uiNumber;
+    char * pcString;
+} TokenValue;
+
+typedef struct Token {
+    enum TokenType eType;
+    union TokenValue uValue;
+} Token;
+
+typedef struct Keyword {
+    enum KeywordCode eCode;
+    char cString[MAX_KEYWORD_STRING_LTH + 1];
+} Keyword;
+
+class TokenDecoder {
+    public:
+        void DecodeMsg(char *pcString);
+    private:
+        unsigned char ucFindTokensInString(char *pcString);
+        enum Result eStringToKeyword (char pcStr[], enum KeywordCode *peKeywordCode);
+        void DecodeTokens(void);
+};
+
+#endif