Krzysztof Bolek / Mbed 2 deprecated FILIP

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Dependencies:   LCD_DISCO_F429ZI mbed BSP_DISCO_F429ZI

TokensHandling.cpp@1:4fd32c2e7975, 2020-06-09 (annotated)

Committer:
bolko
Date:
Tue Jun 09 11:20:57 2020 +0000
Revision:
1:4fd32c2e7975
Parent:
0:befccd954577 
filip;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
filipksiezyc 0:befccd954577 1 #include "TokensHandling.h"
filipksiezyc 0:befccd954577 2 #include "mbed.h"
filipksiezyc 0:befccd954577 3
filipksiezyc 0:befccd954577 4 #define MAX_KEYWORD_NR 4
filipksiezyc 0:befccd954577 5
filipksiezyc 0:befccd954577 6 enum Result {OK, ERR};
filipksiezyc 0:befccd954577 7
filipksiezyc 0:befccd954577 8 struct Keyword{
filipksiezyc 0:befccd954577 9 enum KeywordCode eCode;
filipksiezyc 0:befccd954577 10 char cString[MAX_KEYWORD_STRING_LTH];
filipksiezyc 0:befccd954577 11 };
filipksiezyc 0:befccd954577 12
filipksiezyc 0:befccd954577 13 struct Keyword asKeywordList[MAX_KEYWORD_NR]={
filipksiezyc 0:befccd954577 14 {CALLIB, "callib"},
filipksiezyc 0:befccd954577 15 {GOTO, "goto"},
filipksiezyc 0:befccd954577 16 {ID, "id"},
filipksiezyc 0:befccd954577 17 {STEP, "step"},
filipksiezyc 0:befccd954577 18 };
filipksiezyc 0:befccd954577 19
bolko 1:4fd32c2e7975 20 void TokensHandler::ReplaceCharactersInString(char pcString[],char cOldChar,char cNewChar){
bolko 1:4fd32c2e7975 21 char *pString = pcString;
bolko 1:4fd32c2e7975 22 while((pString = strchr(pString,cOldChar)) != NULL){
bolko 1:4fd32c2e7975 23 *pString++ = cNewChar;
bolko 1:4fd32c2e7975 24 }
filipksiezyc 0:befccd954577 25 }
filipksiezyc 0:befccd954577 26
filipksiezyc 0:befccd954577 27
filipksiezyc 0:befccd954577 28 unsigned char TokensHandler::ucFindTokensInString(char *pcString){
filipksiezyc 0:befccd954577 29 char *pcTokenString = pcString;
filipksiezyc 0:befccd954577 30 pcTokenString = strtok(pcTokenString, " ");
filipksiezyc 0:befccd954577 31
filipksiezyc 0:befccd954577 32 for(ucTokenNr=0;((pcTokenString != NULL) && (ucTokenNr < MAX_TOKEN_NR));ucTokenNr++)
filipksiezyc 0:befccd954577 33 {
filipksiezyc 0:befccd954577 34 asToken[ucTokenNr].uValue.pcString = pcTokenString;
filipksiezyc 0:befccd954577 35 pcTokenString = strtok(NULL, " ");
filipksiezyc 0:befccd954577 36 }
filipksiezyc 0:befccd954577 37 return ucTokenNr;
filipksiezyc 0:befccd954577 38 }
filipksiezyc 0:befccd954577 39
filipksiezyc 0:befccd954577 40
filipksiezyc 0:befccd954577 41
filipksiezyc 0:befccd954577 42 enum Result TokensHandler::eStringToKeyword (char pcStr[],enum KeywordCode *peKeywordCode){
filipksiezyc 0:befccd954577 43 unsigned char ucKeywordCounter;
filipksiezyc 0:befccd954577 44
filipksiezyc 0:befccd954577 45 for(ucKeywordCounter=0; ucKeywordCounter< MAX_KEYWORD_NR; ucKeywordCounter++){
filipksiezyc 0:befccd954577 46
filipksiezyc 0:befccd954577 47 if( (strcmp(pcStr, asKeywordList[ucKeywordCounter].cString))==0){
filipksiezyc 0:befccd954577 48 *peKeywordCode = asKeywordList[ucKeywordCounter].eCode;
filipksiezyc 0:befccd954577 49 return OK;
filipksiezyc 0:befccd954577 50 }
filipksiezyc 0:befccd954577 51 }
filipksiezyc 0:befccd954577 52 return ERR;
filipksiezyc 0:befccd954577 53 }
filipksiezyc 0:befccd954577 54
filipksiezyc 0:befccd954577 55 void TokensHandler::DecodeTokens(void){
filipksiezyc 0:befccd954577 56 unsigned char ucTokenCounter;
filipksiezyc 0:befccd954577 57 struct Token *psCurrentToken;
filipksiezyc 0:befccd954577 58 unsigned int uiTokenValue;
filipksiezyc 0:befccd954577 59 enum KeywordCode eTokenCode;
filipksiezyc 0:befccd954577 60
filipksiezyc 0:befccd954577 61 for(ucTokenCounter= 0; ucTokenCounter< ucTokenNr; ucTokenCounter++){
filipksiezyc 0:befccd954577 62 psCurrentToken= &asToken[ucTokenCounter];
bolko 1:4fd32c2e7975 63 if(OK== eStringToKeyword(psCurrentToken->uValue.pcString, &eTokenCode)){
bolko 1:4fd32c2e7975 64 psCurrentToken->eType=KEYWORD;
bolko 1:4fd32c2e7975 65 psCurrentToken->uValue.eKeyword=eTokenCode;
bolko 1:4fd32c2e7975 66 }
bolko 1:4fd32c2e7975 67 else if(sscanf(asToken[ucTokenCounter].uValue.pcString, "%x", &uiTokenValue) == 1 ){
filipksiezyc 0:befccd954577 68 psCurrentToken->eType= NUMBER;
filipksiezyc 0:befccd954577 69 psCurrentToken->uValue.uiNumber= uiTokenValue;
filipksiezyc 0:befccd954577 70 }
filipksiezyc 0:befccd954577 71 else{
filipksiezyc 0:befccd954577 72 psCurrentToken->eType=STRING;
filipksiezyc 0:befccd954577 73 }
filipksiezyc 0:befccd954577 74 }
filipksiezyc 0:befccd954577 75 }
filipksiezyc 0:befccd954577 76
filipksiezyc 0:befccd954577 77 void TokensHandler::DecodeMsg(char *pcString){
filipksiezyc 0:befccd954577 78 ucTokenNr= ucFindTokensInString(pcString);
filipksiezyc 0:befccd954577 79 ReplaceCharactersInString(pcString, ' ', NULL);
filipksiezyc 0:befccd954577 80 DecodeTokens();
filipksiezyc 0:befccd954577 81 }
filipksiezyc 0:befccd954577 82
filipksiezyc 0:befccd954577 83 TokensHandler::TokensHandler(){
filipksiezyc 0:befccd954577 84 ucTokenNr=0;
filipksiezyc 0:befccd954577 85 }
filipksiezyc 0:befccd954577 86