| Flutter Impeller |

archive_vector.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "impeller/archivist/archive_vector.h"
6
7 #include <sstream>
8
9 #include "impeller/archivist/archive_location.h"
10
11 namespace impeller {
12
13 ArchiveVector::ArchiveVector(std::vector<int64_t> keys)
14 : keys_(std::move(keys)) {}
15
16 ArchiveVector::ArchiveVector() {}
17
18 static constexpr const char* kVectorKeys = "keys";
19
20 ArchiveDef ArchiveVector::kArchiveDefinition = {
21 .table_name = "IPLR_vectors",
22 .members = {kVectorKeys},
23 };
24
25 PrimaryKey ArchiveVector::GetPrimaryKey() const {
26 // Archive definition says the keys will be auto assigned.
27 return std::nullopt;
28 }
29
30 const std::vector<int64_t> ArchiveVector::GetKeys() const {
31 return keys_;
32 }
33
34 bool ArchiveVector::Write(ArchiveLocation& item) const {
35 std::stringstream stream;
36 for (size_t i = 0, count = keys_.size(); i < count; i++) {
37 stream << keys_[i];
38 if (i != count - 1) {
39 stream << ",";
40 }
41 }
42 return item.Write(kVectorKeys, stream.str());
43 }
44
45 bool ArchiveVector::Read(ArchiveLocation& item) {
46 std::string flattened;
47 if (!item.Read(kVectorKeys, flattened)) {
48 return false;
49 }
50
51 std::stringstream stream(flattened);
52 int64_t single = 0;
53 while (stream >> single) {
54 keys_.emplace_back(single);
55 stream.ignore();
56 }
57
58 return true;
59 }
60
61 } // namespace impeller
impeller::ArchiveVector::Write
bool Write(ArchiveLocation &item) const override
Definition: archive_vector.cc:34
impeller::ArchiveVector::Read
bool Read(ArchiveLocation &item) override
Definition: archive_vector.cc:45
impeller::ArchiveDef::table_name
const std::string table_name
Definition: archivable.h:15
archive_location.h
impeller::ArchiveDef
Definition: archivable.h:14
impeller::ArchiveVector::kArchiveDefinition
static ArchiveDef kArchiveDefinition
Definition: archive_vector.h:14
impeller::PrimaryKey
std::optional< int64_t > PrimaryKey
Definition: archivable.h:21
impeller::ArchiveVector::GetPrimaryKey
PrimaryKey GetPrimaryKey() const override
Definition: archive_vector.cc:25
impeller::kVectorKeys
static constexpr const char * kVectorKeys
Definition: archive_vector.cc:18
impeller::ArchiveLocation::Read
bool Read(const std::string &member, T &item)
Definition: archive_location.h:79
impeller::ArchiveLocation
Definition: archive_location.h:21
std
Definition: comparable.h:98
archive_vector.h
impeller::ArchiveVector::GetKeys
const std::vector< int64_t > GetKeys() const
Definition: archive_vector.cc:30
impeller::ArchiveLocation::Write
bool Write(const std::string &member, T item)
Definition: archive_location.h:26
impeller
Definition: aiks_context.cc:10