Проблемы развития проекта при процедурном подходе, страница 2

#define PASS_MARK1 35

#define PASS_MARK2 60

Trial *addTrial(char *name, int mark1, int mark2) {

      Trial *trial;

      if((trial = (Trial*)malloc(sizeof(Trial))) == NULL) {

            return NULL;

      }

      strcpy(trial->name, name);

      trial->mark1 = mark1;

      trial->mark2 = mark2;

      return trial;

}

int result(Trial *trial) {

      return trial->mark1 + trial->mark2;

}

int isPassed(Trial *trial) {

      return result(trial) >= PASS_MARK;

}

int isPassedLite(Trial *trial) {

      return trial->mark1 >= PASS_MARK1 &&

             trial->mark2 >= PASS_MARK2;

}

char *toString(Trial *trial, char *str) {

      if(trial == NULL) {

            strcpy(str, "null");

      } else {

            sprintf(str, "%s;%d;%d;%d;",

                  trial->name, trial->mark1, trial->mark2);

            strcat(str, isPassed(trial)? "true": "false");

      }

      return str;

}

char *toStringLite(Trial *trial, char *str) {

      if(trial == NULL) {

            strcpy(str, "null");

      } else {

            sprintf(str, "%s;%d;%d;%d;",

                  trial->name, trial->mark1, trial->mark2);

            strcat(str, isPassedLite(trial)? "true": "false");

      }

      return str;

}

//Runner2

void main(void) {

      Trial *trials[] = {

            addTrial("Sakovich", 45, 93),

            addTrial("Zhylinsky", 51, 35),

            addTrial("Astapenka", 90, 57)

      };

      char str[256];

      for (int i=0; i < sizeof(trials)/sizeof(Trial*); i++) {

            printf("%s\n", toString(trials[i], str));

      }

      Trial *liteTrials[] = {

            addTrial("Barkou", 29, 95),

            addTrial("Lis", 35, 68),

      };

      for (int i=0; i < sizeof(liteTrials)/sizeof(Trial*); i++) {

            printf("%s\n", toStringLite(liteTrials[i], str));

      }

}

//код добавляется, однако в «большом» количестве

//новый недостаток – наличие нескольких однотипных массивов

//with lite trial 3 (model of oop)

typedef struct TrialStruct {

      char name[80];

      int mark1;

      int mark2;

      int (*pIsPassed)(TrialStruct *trial);

} Trial;

#define PASS_MARK 120

#define PASS_MARK1 35

#define PASS_MARK2 60

Trial *addTrial(char *name, int mark1, int mark2) {

      Trial *trial;

      int isPassed(Trial *trial);

      if((trial = (Trial*)malloc(sizeof(Trial))) == NULL) {

            return NULL;

      }

      strcpy(trial->name, name);

      trial->mark1 = mark1;

      trial->mark2 = mark2;

      trial->pIsPassed = isPassed;

      return trial;

}

Trial *addLiteTrial(char *name, int mark1, int mark2) {

      Trial *trial;

      if((trial = addTrial(name, mark1, mark2)) == NULL) {

            return NULL;

      }

      trial->pIsPassed = isPassedLite;

      return trial;

}

int result(Trial *trial) {

      return trial->mark1 + trial->mark2;

}

int isPassed(Trial *trial) {

      return result(trial) >= PASS_MARK;

}

int isPassedLite(Trial *trial) {

      return trial->mark1 >= PASS_MARK1 &&

             trial->mark2 >= PASS_MARK2;

}

char *toString(Trial *trial, char *str) {

      if(trial == NULL) {

            strcpy(str, "null");

      } else {

            sprintf(str, "%s;%d;%d;%d;",

                  trial->name, trial->mark1, trial->mark2);

            strcat(str, (*trial->pIsPassed)(trial)? "true": "false");

      }

      return str;

}

//Runner2

void main(void) {

      Trial *trials[] = {

            addTrial("Sakovich", 45, 93),