blob: f6eb29f9f7ec88fcf37db170fe81a94ee000cbf5 (
plain) (
blame)
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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/document/fieldvalue/fieldvalue.h>
#include <vespa/document/fieldvalue/iteratorhandler.h>
#include <vespa/vsm/common/charbuffer.h>
namespace vsm {
/**
* This class is used to flatten out and write a complex field value.
* A separator string is inserted between primitive field values.
**/
class FlattenDocsumWriter : public document::fieldvalue::IteratorHandler {
private:
CharBuffer _output;
vespalib::string _separator;
bool _useSeparator;
void considerSeparator();
void onPrimitive(uint32_t, const Content & c) override;
public:
FlattenDocsumWriter(const vespalib::string & separator = " ");
~FlattenDocsumWriter();
void setSeparator(const vespalib::string & separator) { _separator = separator; }
const CharBuffer & getResult() const { return _output; }
void clear() {
_output.reset();
_separator = " ";
_useSeparator = false;
}
};
}
|