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87 lines
1.5 KiB
87 lines
1.5 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include "dict.h"
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void *dictionary_not_found;
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dictionary *dictionary_new(void) {
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static int dnf;
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if (!dictionary_not_found) {
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dictionary_not_found = &dnf;
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}
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dictionary *out = malloc(sizeof(dictionary));
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if(out != NULL) {
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*out = (dictionary) {};
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} else {
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fprintf(stderr, "Out of memory.\n");
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abort();
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}
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return out;
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}
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static void dictionary_add_keyval(dictionary *in, keyval *kv) {
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in->length++;
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keyval **tmp = realloc(in->pairs, sizeof(keyval*) * in->length);
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if(tmp != NULL) {
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in->pairs = tmp;
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tmp = NULL;
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in->pairs[in->length-1] = kv;
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} else {
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fprintf(stderr, "Out of memory.\n");
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abort();
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}
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}
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void dictionary_add(dictionary *in, char *key, void *value) {
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if(key == NULL) {
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fprintf(stderr, "NULL is not a valid key.\n");
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abort();
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}
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dictionary_add_keyval(in, keyval_new(key, value));
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}
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void *dictionary_find(const dictionary *in, const char *key) {
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for (size_t i = 0; i < in->length; i++) {
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if (keyval_matches(in->pairs[i], key)) {
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return in->pairs[i]->value;
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}
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}
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return dictionary_not_found;
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}
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dictionary *dictionary_copy(dictionary *in) {
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dictionary *out = dictionary_new();
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for (size_t i = 0; i < in->length; i++) {
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dictionary_add_keyval(out, keyval_copy(in->pairs[i]));
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}
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return out;
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}
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void dictionary_free(dictionary *in) {
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for (size_t i = 0; i < in->length; i++) {
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keyval_free(in->pairs[i]);
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}
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free(in->pairs);
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free(in);
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}
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