LO27/CellElemFunc.c

/*** 
--- CellElemFunc ---
---Created by : Naej Doree ---
***/

#include <stdio.h>
#include <stdlib.h>
#include <CellElement.h>

int main(int argc, char **argv){
	cellElement * tree = NULL;
	tree = CreateCellElem();	
	tree->colIndex = 1;
	AddNextRow(tree);
	tree->nextRow->colIndex = 2;
	AddNextCol(tree);
	tree->nextCol->colIndex = 3;
	recursivePrint(tree);
	removeNextRow(tree);
	removeNextCol(tree);
	
	recursivePrint(tree);
	
	
	return 0;

} 

cellElement * CreateCellElem(){
	cellElement * elem = NULL;
	elem = (cellElement*) malloc(sizeof(cellElement));
	
	if (elem == NULL){
		return NULL;
	}

	printf("---Created cellElement---\n");

	elem->value = true;
	elem->nextCol = NULL;
	elem->nextRow = NULL;

	
	return elem;	
}

void freeCellElem(cellElement * elem){
	free(elem);
	elem = NULL;
}

int AddNextCol(cellElement* tree){

	cellElement * elem = NULL;
	elem = (cellElement*) malloc(sizeof(cellElement));
	
	if (elem == NULL){
		return -1;
	}

	printf("---insertNextCol---\n");

	elem->value = true;
	elem->nextCol = NULL;
	elem->nextRow = NULL;

	if (tree->nextCol == NULL){
		tree->nextCol = elem;
	}else{
		return -2;
	}
	
	return 1;
}


int AddNextRow(cellElement* tree){

	cellElement * elem = NULL;
	elem = (cellElement*) malloc(sizeof(cellElement));
	
	if (elem == NULL){
		return -1;
	}

	printf("---insertNextRow---\n");

	elem->value = true;
	elem->nextRow = NULL;
	elem->nextRow = NULL;
	if (tree->nextRow == NULL){
		tree->nextRow = elem;
	}else{
		return -2;
	}
	return 1;
}

void removeNextCol(cellElement* tree){
	printf("---removeNextCol---\n");

	if (tree->nextCol != NULL){
		cellElement * elem = tree->nextCol;
		free(elem);
		elem = NULL;
		tree->nextCol = NULL;
	
	}

}

void removeNextRow(cellElement* tree){
	printf("---removeNextRow---\n");

	if (tree->nextRow != NULL){
		cellElement* elem = tree->nextRow;
		free(elem);
		elem =NULL;
		tree->nextRow = NULL;
	
	}

}
void recursivePrint(cellElement * tree){
	if (tree != NULL){
		printf("Elem : x: %d  y: %d \n",tree->colIndex,tree->rowIndex);
		if (tree->nextCol != NULL){
			recursivePrint(tree->nextCol);
		}
		if (tree->nextRow != NULL){
			recursivePrint(tree->nextRow);
		}
		if (tree->nextCol == NULL && tree->nextCol == NULL){
			printf("leaf\n");
		}

	}
}