gguf : add gguf_find_key (#2438)

* gguf.cpp : find key example

* ggml.h : add gguf_find_key

* ggml.c : add gguf_find_key
This commit is contained in:
klosax 2023-07-28 22:45:24 +02:00 committed by GitHub
parent 11ef380c2a
commit 3492f848d7
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3 changed files with 30 additions and 0 deletions

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@ -253,6 +253,20 @@ bool gguf_ex_read_0(const std::string & fname) {
}
}
// find kv string
{
char findkey[32];
sprintf(findkey, "some.parameter.string");
int keyidx = gguf_find_key(ctx, findkey);
if (keyidx == -1) {
fprintf(stdout, "%s: find key: %s not found.\n", __func__, findkey);
} else {
const char * key_value = gguf_get_val_str(ctx, keyidx);
fprintf(stdout, "%s: find key: %s found, kv[%d] value = %s\n", __func__, findkey, keyidx, key_value);
}
}
// tensor info
{
const int n_tensors = gguf_get_n_tensors(ctx);

15
ggml.c
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@ -18745,6 +18745,21 @@ int gguf_get_n_kv(struct gguf_context * ctx) {
return ctx->header.n_kv;
}
int gguf_find_key(struct gguf_context * ctx, const char * key) {
// return -1 if key not found
const int n_kv = gguf_get_n_kv(ctx);
int keyfound = -1;
for (int i = 0; i < n_kv; ++i) {
if (strcmp(key, gguf_get_key(ctx, i)) == 0) {
keyfound = i;
break;
}
}
return keyfound;
}
const char * gguf_get_key(struct gguf_context * ctx, int i) {
return ctx->header.kv[i].key.data;
}

1
ggml.h
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@ -1653,6 +1653,7 @@ extern "C" {
GGML_API void * gguf_get_data (struct gguf_context * ctx);
GGML_API int gguf_get_n_kv(struct gguf_context * ctx);
GGML_API int gguf_find_key(struct gguf_context * ctx, const char * key);
GGML_API const char * gguf_get_key (struct gguf_context * ctx, int i);
GGML_API void gguf_get_val (struct gguf_context * ctx, int i, void * val);