chatGPT parse json lazy

parse-json.c

// Tokenize the JSON string by splitting on `{`, `}`, `[`, and `]`, unless the character is inside a string
char* token = strtok(jsonCopy, "{}[],");
bool inString = false;
int depth = 0;
while (token != NULL) {
    if (!inString && depth == 0 && strcmp(token, path) == 0) {
        // The requested path was found, so return the next token as the value
        token = strtok(NULL, "{}[],");
        slice_t value = {
            .len = strlen(token),
            .data = token
        };
        free(jsonCopy);
        return value;
    }

    if (strcmp(token, "{") == 0 || strcmp(token, "[") == 0) {
        // Increase the depth when entering a nested object or array
        depth++;
    } else if (strcmp(token, "}") == 0 || strcmp(token, "]") == 0) {
        // Decrease the depth when exiting a nested object or array
        depth--;
    } else if (strcmp(token, "\"") == 0) {
        // Toggle the inString flag when entering or exiting a string
        inString = !inString;
    }

    // Get the next token
    token = strtok(NULL, "{}[],");
}

// The requested path was not found, so return an empty slice
free(jsonCopy);
return (slice_t) {0};