Ajout : définition d'un nœud d'arbre n-aire

This commit is contained in:
Ahurac 2024-02-19 22:30:57 +01:00
parent 0fc1f02c9f
commit fbb1b5592c
2 changed files with 107 additions and 0 deletions

88
src/node.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include "node.h"
/**
* Create a brand new node, initialized
*/
Node *Node_new(char letter) {
Node *node = malloc(sizeof(Node));
node->letter = letter;
node->next_sibling = NULL;
node->first_child = NULL;
return node;
}
/**
* Free all nodes from a root node
*/
void Node_destroyTree(Node *root_node) {
if (root_node->first_child != NULL) {
Node_destroyTree(root_node->first_child);
}
if (root_node->next_sibling != NULL) {
Node_destroyTree(root_node->next_sibling);
}
free(root_node);
}
/**
* With a root node, build the n-ary tree from a string
*/
void Node_addString(Node *root_node, char *letters) {
if (letters[0] == '\0') {
return;
}
while (root_node->letter != letters[0] && root_node->next_sibling != NULL) {
root_node = root_node->next_sibling;
}
if (root_node->letter == letters[0]) {
letters++;
if (letters[0] != '\0' && root_node->first_child == NULL) {
root_node->first_child = Node_new(letters[0]);
}
Node_addString(root_node->first_child, letters);
} else if (root_node->next_sibling == NULL) {
root_node->next_sibling = Node_new(letters[0]);
Node_addString(root_node->next_sibling, letters);
}
}
static void print_tabs(unsigned int depth) {
for (unsigned int i = 0; i < depth; i++) {
printf("| ");
}
}
/**
* Recursively print the content of the tree
*/
static void print_node(Node *node, unsigned int depth) {
print_tabs(depth);
printf("%c", node->letter);
if (node->first_child != NULL) {
putchar('\n');
print_node(node->first_child, depth+1);
}
if (node->next_sibling != NULL) {
putchar('\n');
print_node(node->next_sibling, depth);
}
}
/**
* Initialize the printing of a tree
*/
void Node_printTree(Node *root_node) {
print_node(root_node, 0);
putchar('\n');
}

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src/node.h Normal file
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#ifndef NODE_H
#define NODE_H
/**
* Define the members of my n-ary tree
*/
typedef struct Node {
char letter;
struct Node *next_sibling;
struct Node *first_child;
} Node;
Node *Node_new(char letter);
void Node_destroyTree(Node *root_node);
void Node_addString(Node *root_node, char *letters);
void Node_printTree(Node *root_node);
char Node_stringToDigit(Node *root_node, char *string);
#endif /* NODE_H */