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add function h_stringmap_copy

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This commit is contained in:
Sven M. Hallberg 2014-03-24 17:22:32 +01:00
parent 2b31fb0f33
commit 0970b15034
2 changed files with 8 additions and 0 deletions
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7
src/cfgrammar.c
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@ -281,6 +281,13 @@ void h_stringmap_update(HStringMap *m, const HStringMap *n)
h_hashtable_merge(combine_stringmap, m->char_branches, n->char_branches);
}
HStringMap *h_stringmap_copy(HArena *a, const HStringMap *m)
{
HStringMap *res = h_stringmap_new(a);
h_stringmap_update(res, m);
return res;
}
/* Replace all occurances of old in m with new.
* If old is NULL, replace all values in m with new.
* If new is NULL, remove the respective values.

1
src/cfgrammar.h
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@ -40,6 +40,7 @@ typedef struct HStringMap_ {
} HStringMap;
HStringMap *h_stringmap_new(HArena *a);
HStringMap *h_stringmap_copy(HArena *a, const HStringMap *m);
void h_stringmap_put_end(HStringMap *m, void *v);
void h_stringmap_put_epsilon(HStringMap *m, void *v);
void h_stringmap_put_after(HStringMap *m, uint8_t c, HStringMap *ends);