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#include "kv.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *splitLine2KV(char *line, const char *delim) {
char *v = strstr(line, delim);
if (v == NULL)
return NULL;
*v = '\0';
return v + strlen(delim);
}
kvarray_t *readKVs(const char *fname) {
FILE *f = fopen(fname, "r");
if (f == NULL) {
fprintf(stderr, "Could not open file\n");
return NULL;
}
kvarray_t *kvArray = malloc(sizeof(*kvArray));
kvArray->kvarray = NULL;
char *line = NULL;
size_t sz = 0;
int i = 0;
while (getline(&line, &sz, f) >= 0) {
char *v;
v = splitLine2KV(line, "=");
if (v) {
char *value = malloc((strlen(v) + 1) * sizeof(*value));
strcpy(value, strtok(v, "\n"));
char *key = malloc((strlen(line) + 1) * sizeof(*key));
strcpy(key, line);
kvpair_t *kvPair = malloc(sizeof(kvPair));
kvPair->key = key;
kvPair->value = value;
kvArray->kvarray = realloc(kvArray->kvarray, (i + 1) * sizeof(kvpair_t));
kvArray->kvarray[i] = *kvPair;
free(kvPair);
i++;
kvArray->kvarrayLength = i;
}
}
free(line);
if (fclose(f) != 0) {
fprintf(stderr, "Could not close file\n");
return NULL;
}
return kvArray;
}
void freeKVs(kvarray_t *pairs) {
for (int i = 0; i < pairs->kvarrayLength; i++) {
free(pairs->kvarray[i].key);
free(pairs->kvarray[i].value);
}
free(pairs->kvarray);
free(pairs);
}
void printKVs(kvarray_t *pairs) {
for (int i = 0; i < pairs->kvarrayLength; i++) {
printf("key = '%s' value = '%s'\n", pairs->kvarray[i].key,
pairs->kvarray[i].value);
}
}
char *lookupValue(kvarray_t *pairs, const char *key) {
for (int i = 0; i < pairs->kvarrayLength; i++) {
if (strcmp(pairs->kvarray[i].key, key) == 0) {
return pairs->kvarray[i].value;
}
}
return NULL;
}
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