grn_ra *
grn_ra_open(grn_ctx *ctx, const char *path)
{
grn_io *io;
int n_elm, w_elm;
grn_ra *ra = NULL;
struct grn_ra_header *header;
io = grn_io_open(ctx, path, grn_io_auto);
if (!io) { return NULL; }
header = grn_io_header(io);
if (grn_io_get_type(io) != GRN_COLUMN_FIX_SIZE) {
ERR(GRN_INVALID_FORMAT, "file type unmatch");
grn_io_close(ctx, io);
return NULL;
}
if (!(ra = GRN_GMALLOC(sizeof(grn_ra)))) {
grn_io_close(ctx, io);
return NULL;
}
n_elm = GRN_RA_SEGMENT_SIZE / header->element_size;
for (w_elm = 22; (1 << w_elm) > n_elm; w_elm--);
GRN_DB_OBJ_SET_TYPE(ra, GRN_COLUMN_FIX_SIZE);
ra->io = io;
ra->header = header;
ra->element_mask = n_elm - 1;
ra->element_width = w_elm;
return ra;
}
grn_obj *
grn_type_create(grn_ctx *ctx, const char *name, unsigned int name_size,
grn_obj_flags flags, unsigned int size)
{
grn_id id;
struct _grn_type *res = NULL;
grn_obj *db;
if (!ctx || !ctx->impl || !(db = ctx->impl->db)) {
ERR(GRN_INVALID_ARGUMENT, "db not initialized");
return NULL;
}
GRN_API_ENTER;
if (grn_db_check_name(ctx, name, name_size)) {
GRN_DB_CHECK_NAME_ERR("[type][create]", name, name_size);
GRN_API_RETURN(NULL);
}
if (!GRN_DB_P(db)) {
ERR(GRN_INVALID_ARGUMENT, "invalid db assigned");
GRN_API_RETURN(NULL);
}
id = grn_obj_register(ctx, db, name, name_size);
if (id && (res = GRN_MALLOC(sizeof(grn_db_obj)))) {
GRN_DB_OBJ_SET_TYPE(res, GRN_TYPE);
res->obj.header.flags = flags;
res->obj.header.domain = GRN_ID_NIL;
GRN_TYPE_SIZE(&res->obj) = size;
if (grn_db_obj_init(ctx, db, id, DB_OBJ(res))) {
// grn_obj_delete(ctx, db, id);
GRN_FREE(res);
GRN_API_RETURN(NULL);
}
}
GRN_API_RETURN((grn_obj *)res);
}
grn_ja *
grn_ja_create(grn_ctx *ctx, const char *path, unsigned int max_element_size, uint32_t flags)
{
int i;
grn_io *io;
grn_ja *ja = NULL;
struct grn_ja_header *header;
io = grn_io_create(ctx, path, sizeof(struct grn_ja_header),
JA_SEGMENT_SIZE, JA_N_DSEGMENTS, grn_io_auto,
GRN_IO_EXPIRE_SEGMENT);
if (!io) { return NULL; }
grn_io_set_type(io, GRN_COLUMN_VAR_SIZE);
header = grn_io_header(io);
header->curr_pos = JA_SEGMENT_SIZE;
header->flags = flags;
for (i = 0; i < JA_N_ESEGMENTS; i++) { header->esegs[i] = JA_ESEG_VOID; }
if (!(ja = GRN_GMALLOC(sizeof(grn_ja)))) {
grn_io_close(ctx, io);
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ja, GRN_COLUMN_VAR_SIZE);
ja->io = io;
ja->header = header;
header->max_element_size = max_element_size;
SEGMENTS_EINFO_ON(ja, 0, 0);
header->esegs[0] = 0;
return ja;
}
grn_ra *
grn_ra_create(grn_ctx *ctx, const char *path, unsigned int element_size)
{
grn_io *io;
int max_segments, n_elm, w_elm;
grn_ra *ra = NULL;
struct grn_ra_header *header;
unsigned actual_size;
if (element_size > GRN_RA_SEGMENT_SIZE) {
GRN_LOG(ctx, GRN_LOG_ERROR, "element_size too large (%d)", element_size);
return NULL;
}
for (actual_size = 1; actual_size < element_size; actual_size *= 2) ;
max_segments = ((GRN_ID_MAX + 1) / GRN_RA_SEGMENT_SIZE) * actual_size;
io = grn_io_create(ctx, path, sizeof(struct grn_ra_header),
GRN_RA_SEGMENT_SIZE, max_segments, grn_io_auto,
GRN_IO_EXPIRE_SEGMENT);
if (!io) { return NULL; }
header = grn_io_header(io);
grn_io_set_type(io, GRN_COLUMN_FIX_SIZE);
header->element_size = actual_size;
if (!(ra = GRN_GMALLOC(sizeof(grn_ra)))) {
grn_io_close(ctx, io);
return NULL;
}
n_elm = GRN_RA_SEGMENT_SIZE / header->element_size;
for (w_elm = 22; (1 << w_elm) > n_elm; w_elm--);
GRN_DB_OBJ_SET_TYPE(ra, GRN_COLUMN_FIX_SIZE);
ra->io = io;
ra->header = header;
ra->element_mask = n_elm - 1;
ra->element_width = w_elm;
return ra;
}
grn_ra *
grn_ra_create(grn_ctx *ctx, const char *path, unsigned int element_size)
{
grn_ra *ra = NULL;
if (!(ra = GRN_GMALLOC(sizeof(grn_ra)))) {
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ra, GRN_COLUMN_FIX_SIZE);
if (!_grn_ra_create(ctx, ra, path, element_size)) {
GRN_FREE(ra);
return NULL;
}
return ra;
}
grn_ja *
grn_ja_create(grn_ctx *ctx, const char *path, unsigned int max_element_size, uint32_t flags)
{
grn_ja *ja = NULL;
if (!(ja = GRN_GMALLOC(sizeof(grn_ja)))) {
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ja, GRN_COLUMN_VAR_SIZE);
if (!_grn_ja_create(ctx, ja, path, max_element_size, flags)) {
GRN_FREE(ja);
return NULL;
}
return ja;
}
grn_ja *
grn_ja_open(grn_ctx *ctx, const char *path)
{
grn_io *io;
grn_ja *ja = NULL;
struct grn_ja_header *header;
io = grn_io_open(ctx, path, grn_io_auto);
if (!io) { return NULL; }
header = grn_io_header(io);
if (grn_io_get_type(io) != GRN_COLUMN_VAR_SIZE) {
ERR(GRN_INVALID_FORMAT, "file type unmatch");
grn_io_close(ctx, io);
return NULL;
}
if (!(ja = GRN_GMALLOC(sizeof(grn_ja)))) {
grn_io_close(ctx, io);
return NULL;
}
GRN_DB_OBJ_SET_TYPE(ja, GRN_COLUMN_VAR_SIZE);
ja->io = io;
ja->header = header;
return ja;
}
grn_snip *
grn_snip_open(grn_ctx *ctx, int flags, unsigned int width,
unsigned int max_results,
const char *defaultopentag, unsigned int defaultopentag_len,
const char *defaultclosetag, unsigned int defaultclosetag_len,
grn_snip_mapping *mapping)
{
int copy_tag;
grn_snip *ret = NULL;
if (!(ret = GRN_MALLOC(sizeof(grn_snip)))) {
GRN_LOG(ctx, GRN_LOG_ALERT, "grn_snip allocation failed on grn_snip_open");
return NULL;
}
if (max_results > MAX_SNIP_RESULT_COUNT || max_results == 0) {
GRN_LOG(ctx, GRN_LOG_WARNING, "max_results is invalid on grn_snip_open");
GRN_FREE(ret);
return NULL;
}
GRN_API_ENTER;
ret->encoding = ctx->encoding;
ret->flags = flags;
ret->width = width;
ret->max_results = max_results;
ret->defaultopentag = NULL;
ret->defaultclosetag = NULL;
copy_tag = flags & GRN_SNIP_COPY_TAG;
if (grn_snip_set_default_tag(ctx,
&(ret->defaultopentag),
&(ret->defaultopentag_len),
defaultopentag, defaultopentag_len,
copy_tag)) {
GRN_FREE(ret);
GRN_API_RETURN(NULL);
}
if (grn_snip_set_default_tag(ctx,
&(ret->defaultclosetag),
&(ret->defaultclosetag_len),
defaultclosetag, defaultclosetag_len,
copy_tag)) {
if (copy_tag && ret->defaultopentag) {
GRN_FREE((void *)ret->defaultopentag);
}
GRN_FREE(ret);
GRN_API_RETURN(NULL);
}
ret->cond_len = 0;
ret->mapping = mapping;
ret->nstr = NULL;
ret->tag_count = 0;
ret->snip_count = 0;
if (ret->flags & GRN_SNIP_NORMALIZE) {
ret->normalizer = GRN_NORMALIZER_AUTO;
} else {
ret->normalizer = NULL;
}
GRN_DB_OBJ_SET_TYPE(ret, GRN_SNIP);
{
grn_obj *db;
grn_id id;
db = grn_ctx_db(ctx);
id = grn_obj_register(ctx, db, NULL, 0);
DB_OBJ(ret)->header.domain = GRN_ID_NIL;
DB_OBJ(ret)->range = GRN_ID_NIL;
grn_db_obj_init(ctx, db, id, DB_OBJ(ret));
}
GRN_API_RETURN(ret);
}
