moved functions code to separate files

src/TomlArray.c

@@ -0,0 +1,42 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "toml_internal.h"
+
+TomlArray* TomlArray_new(void)
+{
+    TomlArray* array = malloc(sizeof(TomlArray));
+    array->elements = NULL;
+    array->len = 0;
+    array->_capacity = 0;
+    return array;
+}
+
+void TomlArray_free(TomlArray* self)
+{
+    if (self == NULL) 
+        return;
+    
+    for (u64 i = 0; i < self->len; i++) {
+        TomlValue_destroy(&self->elements[i]);
+    }
+    free(self->elements);
+    free(self);
+}
+
+void TomlArray_expand_if_necessary(TomlArray* self)
+{
+    if (self->len + 1 > self->_capacity) {
+        u64 new_capacity = self->_capacity > 0 ? self->_capacity * 2 : 8;
+        void* p = realloc(self->elements, sizeof(TomlValue) * new_capacity);
+        self->elements = p;
+        self->_capacity = new_capacity;
+    }
+}
+
+void TomlArray_append(TomlArray* self, TomlValue value)
+{
+    TomlArray_expand_if_necessary(self);
+    self->elements[self->len++] = value;
+}