DocReader*
DocReader_init(DocReader *self, Schema *schema, Folder *folder,
Snapshot *snapshot, VArray *segments, i32_t seg_tick)
{
return (DocReader*)DataReader_init((DataReader*)self, schema, folder,
snapshot, segments, seg_tick);
}
LexiconReader*
LexReader_init(LexiconReader *self, Schema *schema, Folder *folder,
Snapshot *snapshot, VArray *segments, int32_t seg_tick) {
DataReader_init((DataReader*)self, schema, folder, snapshot, segments,
seg_tick);
ABSTRACT_CLASS_CHECK(self, LEXICONREADER);
return self;
}
HighlightReader*
HLReader_init(HighlightReader *self, Schema *schema, Folder *folder,
Snapshot *snapshot, VArray *segments, int32_t seg_tick) {
DataReader_init((DataReader*)self, schema, folder, snapshot, segments,
seg_tick);
ABSTRACT_CLASS_CHECK(self, HIGHLIGHTREADER);
return self;
}
DefaultSortReader*
DefSortReader_init(DefaultSortReader *self, Schema *schema, Folder *folder,
Snapshot *snapshot, VArray *segments, int32_t seg_tick) {
DataReader_init((DataReader*)self, schema, folder, snapshot, segments,
seg_tick);
DefaultSortReaderIVARS *const ivars = DefSortReader_IVARS(self);
Segment *segment = DefSortReader_Get_Segment(self);
Hash *metadata = (Hash*)Seg_Fetch_Metadata_Utf8(segment, "sort", 4);
// Check format.
ivars->format = 0;
if (metadata) {
Obj *format = Hash_Fetch_Utf8(metadata, "format", 6);
if (!format) { THROW(ERR, "Missing 'format' var"); }
else {
ivars->format = (int32_t)Obj_To_I64(format);
if (ivars->format < 2 || ivars->format > 3) {
THROW(ERR, "Unsupported sort cache format: %i32",
ivars->format);
}
}
}
// Init.
ivars->caches = Hash_new(0);
// Either extract or fake up the "counts", "null_ords", and "ord_widths"
// hashes.
if (metadata) {
ivars->counts
= (Hash*)INCREF(CERTIFY(Hash_Fetch_Utf8(metadata, "counts", 6),
HASH));
ivars->null_ords = (Hash*)Hash_Fetch_Utf8(metadata, "null_ords", 9);
if (ivars->null_ords) {
ivars->null_ords = (Hash*)INCREF(CERTIFY(ivars->null_ords, HASH));
}
else {
ivars->null_ords = Hash_new(0);
}
ivars->ord_widths = (Hash*)Hash_Fetch_Utf8(metadata, "ord_widths", 10);
if (ivars->ord_widths) {
ivars->ord_widths
= (Hash*)INCREF(CERTIFY(ivars->ord_widths, HASH));
}
else {
ivars->ord_widths = Hash_new(0);
}
}
else {
ivars->counts = Hash_new(0);
ivars->null_ords = Hash_new(0);
ivars->ord_widths = Hash_new(0);
}
return self;
}
