blob: 39eeb6e878823ef8ebe1fc6c7d12e66edf2e28cd (
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
37
38
39
40
41
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "node.h"
#include "parsing_failed_exception.h"
#include <vespa/document/bucket/bucketidfactory.h>
#include <memory>
#include <string>
namespace document { class DocumentTypeRepo; }
namespace document::select {
/**
* Document selection parser built around Flex/Bison. O(n) on input size
* and non-locking.
*
* Thread safety: same as a std::vector
*/
class Parser {
const DocumentTypeRepo&_doc_type_repo;
const BucketIdFactory& _bucket_id_factory;
public:
Parser(const DocumentTypeRepo& repo, const BucketIdFactory& bucket_id_factory)
: _doc_type_repo(repo),
_bucket_id_factory(bucket_id_factory)
{}
/**
* Returns a newly allocated AST root node representing the selection
* if parsing is successful. Otherwise, ParsingFailedException will be
* thrown.
*
* Thread safe, assuming referenced DocumentTypeRepo and BucketIdFactory
* instances are immutable.
*/
std::unique_ptr<Node> parse(const std::string& str) const;
};
}
|
