1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "enumcomparator.h"
#include <vespa/searchlib/util/foldedstringcompare.h>
namespace search {
template <typename EntryT>
bool
EnumStoreComparator<EntryT>::equal_helper(const EntryT& lhs, const EntryT& rhs)
{
return vespalib::datastore::UniqueStoreComparatorHelper<EntryT>::equal(lhs, rhs);
}
EnumStoreStringComparator::EnumStoreStringComparator(const DataStoreType& data_store, CompareStrategy compare_strategy)
: ParentType(data_store, nullptr),
_compare_strategy(compare_strategy),
_prefix(false),
_prefix_len(0)
{
}
EnumStoreStringComparator::EnumStoreStringComparator(const DataStoreType& data_store, CompareStrategy compare_strategy, const char* lookup_value)
: ParentType(data_store, lookup_value),
_compare_strategy(compare_strategy),
_prefix(false),
_prefix_len(0)
{
}
EnumStoreStringComparator::EnumStoreStringComparator(const DataStoreType& data_store, CompareStrategy compare_strategy, const char* lookup_value, bool prefix)
: ParentType(data_store, lookup_value),
_compare_strategy(compare_strategy),
_prefix(prefix),
_prefix_len(0)
{
if (use_prefix()) {
_prefix_len = FoldedStringCompare::size(lookup_value);
}
}
bool
EnumStoreStringComparator::less(const vespalib::datastore::EntryRef lhs, const vespalib::datastore::EntryRef rhs) const {
switch (_compare_strategy) {
case CompareStrategy::UNCASED:
return (use_prefix()
? (FoldedStringCompare::compareFoldedPrefix<true, true>(get(lhs), get(rhs), _prefix_len) < 0)
: (FoldedStringCompare::compareFolded<true, true>(get(lhs), get(rhs)) < 0));
case CompareStrategy::CASED:
return (use_prefix()
? (FoldedStringCompare::compareFoldedPrefix<false, false>(get(lhs), get(rhs), _prefix_len) < 0)
: (FoldedStringCompare::compareFolded<false, false>(get(lhs), get(rhs)) < 0));
case CompareStrategy::UNCASED_THEN_CASED:
default:
return (use_prefix()
? (FoldedStringCompare::comparePrefix(get(lhs), get(rhs), _prefix_len) < 0)
: (FoldedStringCompare::compare(get(lhs), get(rhs)) < 0));
}
}
template class EnumStoreComparator<int8_t>;
template class EnumStoreComparator<int16_t>;
template class EnumStoreComparator<int32_t>;
template class EnumStoreComparator<int64_t>;
template class EnumStoreComparator<float>;
template class EnumStoreComparator<double>;
}
|
