Class: Groonga::InvertedIndexCursor — rroonga - Ranguba

Class: Groonga::InvertedIndexCursor

Inherits:
Data
  • Object
show all
Includes:
Enumerable
Defined in:
ext/groonga/rb-grn-inverted-index-cursor.c

Instance Method Summary collapse

Instance Method Details

#close ⇒ Object 



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# File 'ext/groonga/rb-grn-inverted-index-cursor.c', line 211

static VALUE
rb_grn_inverted_index_cursor_close (VALUE self)
{
    RbGrnInvertedIndexCursor *rb_grn_cursor;

    TypedData_Get_Struct(self,
                         RbGrnInvertedIndexCursor,
                         &rb_grn_inverted_index_cursor_type,
                         rb_grn_cursor);
    if (!rb_grn_cursor->context) {
        rb_raise(rb_eGrnClosed,
                 "can't access already closed Groonga object: %" PRIsVALUE,
                 self);
    }

    if (rb_grn_cursor->cursor) {
        grn_ii_cursor_close(rb_grn_cursor->context,
                            rb_grn_cursor->cursor);
    }
    rb_grn_cursor->context = NULL;
    rb_grn_cursor->cursor = NULL;

    return Qnil;

}

#closed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/groonga/rb-grn-inverted-index-cursor.c', line 237

static VALUE
rb_grn_inverted_index_cursor_is_closed (VALUE self)
{
    RbGrnInvertedIndexCursor *rb_grn_cursor;

    TypedData_Get_Struct(self,
                         RbGrnInvertedIndexCursor,
                         &rb_grn_inverted_index_cursor_type,
                         rb_grn_cursor);
    if (rb_grn_cursor->context) {
        return Qfalse;
    } else {
        return Qtrue;
    }

}

#each ⇒ Object 



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# File 'ext/groonga/rb-grn-inverted-index-cursor.c', line 157

static VALUE
rb_grn_inverted_index_cursor_each (int argc, VALUE *argv, VALUE self)
{
    RbGrnInvertedIndexCursor *rb_grn_cursor;
    grn_bool reuse_posting_object;
    VALUE rb_options;
    VALUE rb_reuse_posting_object;
    VALUE rb_table;
    VALUE rb_lexicon;
    VALUE rb_posting = Qnil;

    RETURN_ENUMERATOR(self, argc, argv);

    rb_scan_args(argc, argv, "01", &rb_options);

    rb_grn_scan_options(rb_options,
                        "reuse_posting_object", &rb_reuse_posting_object,
                        NULL);

    TypedData_Get_Struct(self,
                         RbGrnInvertedIndexCursor,
                         &rb_grn_inverted_index_cursor_type,
                         rb_grn_cursor);
    if (!rb_grn_cursor->context) {
        rb_raise(rb_eGrnClosed,
                 "can't access already closed Groonga object: %" PRIsVALUE,
                 self);
    }

    if (!rb_grn_cursor->cursor) {
        return Qnil;
    }

    rb_table = rb_iv_get(self, "@table");
    rb_lexicon = rb_iv_get(self, "@lexicon");
    reuse_posting_object = RVAL2CBOOL(rb_reuse_posting_object);

    if (reuse_posting_object) {
        rb_posting = rb_grn_posting_new(NULL, GRN_ID_NIL, rb_table, rb_lexicon);
    }
    while (GRN_TRUE) {
        if (!reuse_posting_object) {
            rb_posting = Qnil;
        }
        rb_posting = next_value(rb_posting, rb_grn_cursor, rb_table, rb_lexicon);
        if (NIL_P(rb_posting)) {
            break;
        }
        rb_yield(rb_posting);
    }

    return Qnil;
}

#next ⇒ Object 



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# File 'ext/groonga/rb-grn-inverted-index-cursor.c', line 127

static VALUE
rb_grn_inverted_index_cursor_next (VALUE self)
{
    RbGrnInvertedIndexCursor *rb_grn_cursor;
    VALUE rb_table;
    VALUE rb_lexicon;
    VALUE rb_posting;

    TypedData_Get_Struct(self,
                         RbGrnInvertedIndexCursor,
                         &rb_grn_inverted_index_cursor_type,
                         rb_grn_cursor);
    if (!rb_grn_cursor->context) {
        rb_raise(rb_eGrnClosed,
                 "can't access already closed Groonga object: %" PRIsVALUE,
                 self);
    }

    if (!rb_grn_cursor->cursor) {
        return Qnil;
    }

    rb_table = rb_iv_get(self, "@table");
    rb_lexicon = rb_iv_get(self, "@lexicon");
    rb_posting = next_value(Qnil, rb_grn_cursor, rb_table, rb_lexicon);

    return rb_posting;

}