44 lines
787 B
C
44 lines
787 B
C
/*
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* Copyright (c) Camden Dixie O'Brien
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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#include "regex.h"
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#include <stdlib.h>
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static void class_free(class_t *c)
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{
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if (NULL != c->contents)
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free(c->contents);
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}
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static void sequence_free(sequence_t *s)
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{
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if (NULL != s->contents) {
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for (int i = 0; i < s->len; ++i) {
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switch (s->contents[i].type) {
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case TERM_TYPE_CLASS:
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class_free(&s->contents[i].class);
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break;
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case TERM_TYPE_REGEX:
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regex_free_children(&s->contents[i].regex);
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break;
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case TERM_TYPE_WILDCARD:
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case TERM_TYPE_LITERAL:
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break;
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}
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}
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free(s->contents);
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}
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}
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void regex_free_children(regex_t *r)
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{
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sequence_free(&r->sequence);
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if (NULL != r->alternative) {
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regex_free_children(r->alternative);
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free(r->alternative);
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}
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}
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