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make it possible to write grammars via a cookie in glibc

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This commit is contained in:
Krasimir Angelov
2023-09-04 16:20:49 +02:00
parent 9a6d5a99bf
commit 62cad0f1ba
4 changed files with 88 additions and 0 deletions
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30
src/runtime/c/pgf/pgf.cxx
View File

@@ -280,6 +280,36 @@ end:
fclose(out);
}
#ifdef _GNU_SOURCE
PGF_API
void pgf_write_pgf_cookie
(void *cookie, cookie_io_functions_t *io_funcs,
PgfDB *db, PgfRevision revision,
PgfText **langs, // null terminated list or null
PgfExn* err)
{
FILE *out = NULL;
PGF_API_BEGIN {
out = fopencookie(cookie, "wb", *io_funcs);
if (!out) {
throw pgf_systemerror(errno, "<cookie>");
}
{
DB_scope scope(db, READER_SCOPE);
ref<PgfPGF> pgf = db->revision2pgf(revision);
PgfWriter wtr(langs, out);
wtr.write_pgf(pgf);
}
} PGF_API_END
if (out != NULL)
fclose(out);
}
#endif
PGF_API
const char *pgf_file_path(PgfDB *db)
{

9
src/runtime/c/pgf/pgf.h
View File

@@ -291,6 +291,15 @@ void pgf_write_pgf(const char* fpath,
PgfText **langs, // null terminated list or null
PgfExn* err);
#ifdef _GNU_SOURCE
PGF_API_DECL
void pgf_write_pgf_cookie
(void *cookie, cookie_io_functions_t *io_funcs,
PgfDB *db, PgfRevision revision,
PgfText **langs, // null terminated list or null
PgfExn* err);
#endif
PGF_API_DECL
const char *pgf_file_path(PgfDB *db);