/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file

 */

#include "lib.h"

#include "str.h"

#include "strfuncs.h"

#include "istream.h"

#include "sieve-common.h"

#include "sieve-error.h"

#include "sieve-dump.h"

#include "sieve-binary.h"

#include "sieve-data-storage.h"

/*

 * Script data implementation

 */

static struct sieve_data_script *sieve_data_script_alloc(void)

{

  struct sieve_data_script *dscript;

  pool_t pool;

  pool = pool_alloconly_create("sieve_data_script", 1024);

  dscript = p_new(pool, struct sieve_data_script, 1);

  dscript->script = sieve_data_script;

  dscript->script.pool = pool;

  return dscript;

}

struct sieve_script *

sieve_data_script_create_from_input(struct sieve_instance *svinst,

            const char *cause, const char *name,

            struct istream *input)

{

  struct sieve_storage *storage;

  struct sieve_data_script *dscript = NULL;

  int ret;

  ret = sieve_storage_alloc(svinst, svinst->event, &sieve_data_storage,

          cause, "data", "data", "data", 0, &storage,

          NULL, NULL);

  i_assert(ret >= 0);

  dscript = sieve_data_script_alloc();

  sieve_script_init(&dscript->script, storage, &sieve_data_script, name);

  dscript->data = input;

  i_stream_ref(dscript->data);

  sieve_storage_unref(&storage);

  dscript->script.open = TRUE;

  return &dscript->script;

}

static void sieve_data_script_destroy(struct sieve_script *script)

{

  struct sieve_data_script *dscript =

    container_of(script, struct sieve_data_script, script);

  i_stream_unref(&dscript->data);

}

static int

sieve_data_script_get_stream(struct sieve_script *script,

           struct istream **stream_r)

{

  struct sieve_data_script *dscript =

    container_of(script, struct sieve_data_script, script);

  i_stream_ref(dscript->data);

  i_stream_seek(dscript->data, 0);

  *stream_r = dscript->data;

  return 0;

}

const struct sieve_script sieve_data_script = {

  .driver_name = SIEVE_DATA_STORAGE_DRIVER_NAME,

  .v = {

    .destroy = sieve_data_script_destroy,

    .get_stream = sieve_data_script_get_stream,

  },

};