utils: move to a separate folder

1 files changed, 0 insertions, 216 deletions

diff --git a/src/utils.c b/src/utils.c
deleted file mode 100644
index ee41735..0000000
--- a/src/utils.c
+++ /dev/null
@@ -1,216 +0,0 @@
-#include <pcre2.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "logger.h"
-#include "utils.h"
-
-int regex_match(const char *subject, str_array_t patterns,
-                str_array_t *results) {
-  pcre2_code *re;
-
-  int errornumber;
-  int rc = PCRE2_ERROR_NOMATCH;
-
-  PCRE2_SIZE subject_len = strlen(subject);
-  PCRE2_SIZE offset = 0, erroroffset;
-  PCRE2_SIZE *ovector;
-
-  pcre2_match_data *match_data;
-  for (unsigned short i = 0; i < patterns.n; i++) {
-    DEBUG_PRINT("Gets pattern: %s\n", patterns.str[i]);
-    re = pcre2_compile((PCRE2_SPTR)patterns.str[i], PCRE2_ZERO_TERMINATED, 0,
-                       &errornumber, &erroroffset, NULL);
-
-    if (re == NULL) {
-      PCRE2_UCHAR buffer[256];
-      pcre2_get_error_message(errornumber, buffer, sizeof(buffer));
-      LOG("PCRE2", "compilation failed at offset %d: %s\n", (int)erroroffset,
-          buffer);
-      return 1;
-    }
-
-    match_data = pcre2_match_data_create_from_pattern(re, NULL);
-
-    unsigned char i = 0;
-    while (offset < subject_len &&
-           (rc = pcre2_match(re, (PCRE2_SPTR)subject, (PCRE2_SIZE)subject_len,
-                             offset, 0, match_data, NULL)) > 0) {
-
-      // results->str = realloc(results->str, sizeof(char *) * (rc +
-      // results->n));
-      resize_str_array(results, rc + i);
-
-      ovector = pcre2_get_ovector_pointer(match_data);
-      DEBUG_PRINT("Get %d captures.\n", rc - 1);
-      DEBUG_PRINT("Match succeeded at offset %d.\n", (int)ovector[0]);
-
-      for (unsigned short j = 1; j < rc; j++) {
-        PCRE2_SIZE substring_length = ovector[2 * j + 1] - ovector[2 * j];
-        PCRE2_SPTR substring = (PCRE2_SPTR)subject + ovector[2 * j];
-        /* Here we need to manually control the str array,
-         * as PCRE2_SPTR == const unsigned char
-         * (which cannot be directly casted) */
-        results->str[j] = malloc(substring_length + 1);
-        sprintf(results->str[j], "%.*s", (int)substring_length, substring);
-        DEBUG_PRINT("index: %2d, substring_length: %d\n", j,
-                    (int)substring_length);
-      }
-      offset = ovector[1];
-      DEBUG_PRINT("offset: %zu, subject_len: %zu\n", offset, subject_len);
-      i++;
-    }
-    pcre2_match_data_free(match_data);
-    pcre2_code_free(re);
-    if (rc <= 0) {
-
-      switch (rc) {
-      case PCRE2_ERROR_NOMATCH:
-        DEBUG_PRINT("No match found.\n");
-        return 0;
-        break;
-      case 0:
-        LOG("PCRE2",
-            "ovector was not big enough for all the captured substrings\n");
-        break;
-      default:
-        LOG("PCRE2", "Matching error %d\n", rc);
-        return 1;
-      }
-    }
-  }
-  return 0;
-}
-
-int repchr(char *str, char t, char r) {
-  int c = 0;
-  for (size_t i = 0; str[i] != '\0'; i++) {
-    if (str[i] == t) {
-      str[i] = r;
-      c++;
-    }
-  }
-  return c;
-}
-
-generic_array_t create_array(size_t elem_size, size_t n) {
-  generic_array_t array;
-  array.data = n ? malloc(elem_size * n) : NULL;
-  array.elem_size = elem_size;
-  array.n = n;
-  return array;
-}
-
-void free_array(generic_array_t *array) {
-  free_and_nullify(array->data);
-  array->n = 0;
-}
-
-void resize_array(generic_array_t *array, size_t new_size) {
-  array->data = realloc(array->data, array->elem_size * new_size);
-  array->n = new_size;
-}
-
-void *get_element(generic_array_t *array, size_t index) {
-  if (index >= array->n) {
-    return NULL; // Out of bounds
-  }
-  return (char *)array->data + index * array->elem_size;
-}
-
-/* A more specific impl, specially for string (char *) */
-
-str_array_t create_str_array(size_t n) {
-  str_array_t array;
-  array.str = n ? malloc(n * sizeof(char *)) : NULL;
-  array.n = n;
-  for (size_t i = 0; i < n; i++) {
-    array.str[i] = NULL;
-  }
-  return array;
-}
-
-void free_str_array(str_array_t *array) {
-  for (size_t i = 0; i < array->n; i++) {
-    free(array->str[i]);
-  }
-  free_and_nullify(array->str);
-  array->n = 0;
-}
-
-void resize_str_array(str_array_t *array, size_t new_size) {
-  array->str = realloc(array->str, sizeof(char *) * new_size);
-  for (size_t i = array->n; i < new_size; i++) {
-    array->str[i] = NULL;
-  }
-  array->n = new_size;
-}
-
-int set_str_element(str_array_t *array, size_t index, const char *value) {
-  if (index >= array->n) {
-    return 1; // Out of bounds
-  }
-  array->str[index] = malloc(strlen(value) + 1);
-  strcpy(array->str[index], value);
-  return 0;
-}
-
-const char *get_str_element(str_array_t *array, size_t index) {
-  if (index >= array->n) {
-    return NULL; // Out of bounds
-  }
-  return array->str[index];
-}
-
-queue_t create_queue(void) {
-  queue_t queue;
-  queue.front = queue.rear = NULL;
-  return queue;
-}
-
-int is_empty_queue(queue_t *queue) { return queue->front == NULL; }
-
-void enqueue(queue_t *queue, data_t data) {
-  node_t *node = malloc(sizeof(node_t));
-  node->data = data;
-  node->next = NULL;
-  if (queue->rear == NULL) {
-    queue->rear = queue->front = node;
-  } else {
-    queue->rear->next = node;
-    queue->rear = node;
-  }
-}
-
-data_t dequeue(queue_t *queue) {
-  if (is_empty_queue(queue)) {
-    DEBUG_PRINT("Queue is empty.\n");
-    return NULL;
-  }
-
-  node_t *temp = queue->front;
-  data_t data = temp->data;
-  queue->front = temp->next;
-  free_and_nullify(temp);
-
-  if (queue->front == NULL) {
-    queue->rear = NULL;
-  }
-
-  return data;
-}
-
-void free_queue(queue_t *queue) {
-  while (!is_empty_queue(queue)) {
-    dequeue(queue);
-  }
-}
-
-void free_and_nullify(void *p) {
-  if (p) {
-    free(p);
-    p = NULL;
-  }
-}