1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "MatrixInstance.h"
18
19 #include <utility>
20
21 #include "Regex.h"
22 #include "parse_string.h"
23
24 namespace android {
25 namespace vintf {
26
27 MatrixInstance::MatrixInstance() = default;
28
29 MatrixInstance::MatrixInstance(const MatrixInstance&) = default;
30
31 MatrixInstance::MatrixInstance(MatrixInstance&&) noexcept = default;
32
33 MatrixInstance& MatrixInstance::operator=(const MatrixInstance&) = default;
34
35 MatrixInstance& MatrixInstance::operator=(MatrixInstance&&) noexcept = default;
36
MatrixInstance(HalFormat format,FqInstance && fqInstance,VersionRange && range,bool optional,bool isRegex)37 MatrixInstance::MatrixInstance(HalFormat format, FqInstance&& fqInstance, VersionRange&& range,
38 bool optional, bool isRegex)
39 : mFormat(format),
40 mFqInstance(std::move(fqInstance)),
41 mRange(std::move(range)),
42 mOptional(optional),
43 mIsRegex(isRegex) {}
44
MatrixInstance(HalFormat format,const FqInstance fqInstance,const VersionRange & range,bool optional,bool isRegex)45 MatrixInstance::MatrixInstance(HalFormat format, const FqInstance fqInstance,
46 const VersionRange& range, bool optional, bool isRegex)
47 : mFormat(format),
48 mFqInstance(fqInstance),
49 mRange(range),
50 mOptional(optional),
51 mIsRegex(isRegex) {}
52
package() const53 const std::string& MatrixInstance::package() const {
54 return mFqInstance.getPackage();
55 }
56
versionRange() const57 const VersionRange& MatrixInstance::versionRange() const {
58 return mRange;
59 }
60
interface() const61 const std::string& MatrixInstance::interface() const {
62 return mFqInstance.getInterface();
63 }
64
format() const65 HalFormat MatrixInstance::format() const {
66 return mFormat;
67 }
68
optional() const69 bool MatrixInstance::optional() const {
70 return mOptional;
71 }
72
isSatisfiedBy(const FqInstance & provided) const73 bool MatrixInstance::isSatisfiedBy(const FqInstance& provided) const {
74 return package() == provided.getPackage() &&
75 versionRange().supportedBy(provided.getVersion()) &&
76 interface() == provided.getInterface() && matchInstance(provided.getInstance());
77 }
78
matchInstance(const std::string & e) const79 bool MatrixInstance::matchInstance(const std::string& e) const {
80 if (!isRegex()) {
81 return exactInstance() == e;
82 }
83 details::Regex regex;
84 if (!regex.compile(regexPattern())) {
85 return false;
86 }
87 return regex.matches(e);
88 }
89
regexPattern() const90 const std::string& MatrixInstance::regexPattern() const {
91 static const std::string kEmptyString;
92 return isRegex() ? mFqInstance.getInstance() : kEmptyString;
93 }
94
exactInstance() const95 const std::string& MatrixInstance::exactInstance() const {
96 static const std::string kEmptyString;
97 return isRegex() ? kEmptyString : mFqInstance.getInstance();
98 }
99
isRegex() const100 bool MatrixInstance::isRegex() const {
101 return mIsRegex;
102 }
103
interfaceDescription(Version replaceVersion) const104 std::string MatrixInstance::interfaceDescription(Version replaceVersion) const {
105 switch (format()) {
106 case HalFormat::HIDL:
107 [[fallthrough]];
108 case HalFormat::NATIVE: {
109 return toFQNameString(package(), replaceVersion, interface());
110 } break;
111 case HalFormat::AIDL: {
112 return toAidlFqnameString(package(), interface()) + " (@" +
113 aidlVersionToString(replaceVersion) + ")";
114 } break;
115 }
116 }
117
description(Version replaceVersion) const118 std::string MatrixInstance::description(Version replaceVersion) const {
119 std::string instanceDescription = isRegex() ? regexPattern() : exactInstance();
120 switch (format()) {
121 case HalFormat::HIDL:
122 [[fallthrough]];
123 case HalFormat::NATIVE: {
124 return toFQNameString(package(), replaceVersion, interface(), instanceDescription);
125 } break;
126 case HalFormat::AIDL: {
127 return toAidlFqnameString(package(), interface(), instanceDescription) + " (@" +
128 aidlVersionToString(replaceVersion) + ")";
129 } break;
130 }
131 }
132
133 } // namespace vintf
134 } // namespace android
135