Lexicon*
PolyLexReader_Lexicon_IMP(PolyLexiconReader *self, String *field,
Obj *term) {
PolyLexicon *lexicon = NULL;
if (field != NULL) {
Schema *schema = PolyLexReader_Get_Schema(self);
FieldType *type = Schema_Fetch_Type(schema, field);
if (type != NULL) {
PolyLexiconReaderIVARS *const ivars = PolyLexReader_IVARS(self);
lexicon = PolyLex_new(field, ivars->readers);
if (!PolyLex_Get_Num_Seg_Lexicons(lexicon)) {
DECREF(lexicon);
return NULL;
}
if (term) { PolyLex_Seek(lexicon, term); }
}
}
return (Lexicon*)lexicon;
}
Lexicon*
PolyLexReader_lexicon(PolyLexiconReader *self, const CharBuf *field,
Obj *term)
{
PolyLexicon *lexicon = NULL;
if (field != NULL) {
Schema *schema = PolyLexReader_Get_Schema(self);
FieldType *type = Schema_Fetch_Type(schema, field);
if (type != NULL) {
lexicon = PolyLex_new(field, self->readers);
if (!VA_Get_Size(lexicon->seg_lexicons)) {
DECREF(lexicon);
return NULL;
}
if (term) { Lex_Seek(lexicon, term); }
}
}
return (Lexicon*)lexicon;
}
