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,ExclusiveTo exclusiveTo,FqInstance && fqInstance,VersionRange && range,bool optional,bool isRegex)37 MatrixInstance::MatrixInstance(HalFormat format, ExclusiveTo exclusiveTo, FqInstance&& fqInstance,
38 VersionRange&& range, bool optional, bool isRegex)
39 : mFormat(format),
40 mExclusiveTo(exclusiveTo),
41 mFqInstance(std::move(fqInstance)),
42 mRange(std::move(range)),
43 mOptional(optional),
44 mIsRegex(isRegex) {}
45
MatrixInstance(HalFormat format,ExclusiveTo exclusiveTo,const FqInstance fqInstance,const VersionRange & range,bool optional,bool isRegex)46 MatrixInstance::MatrixInstance(HalFormat format, ExclusiveTo exclusiveTo,
47 const FqInstance fqInstance, const VersionRange& range,
48 bool optional, bool isRegex)
49 : mFormat(format),
50 mExclusiveTo(exclusiveTo),
51 mFqInstance(fqInstance),
52 mRange(range),
53 mOptional(optional),
54 mIsRegex(isRegex) {}
55
package() const56 const std::string& MatrixInstance::package() const {
57 return mFqInstance.getPackage();
58 }
59
versionRange() const60 const VersionRange& MatrixInstance::versionRange() const {
61 return mRange;
62 }
63
interface() const64 std::string MatrixInstance::interface() const {
65 return mFqInstance.getInterface();
66 }
67
format() const68 HalFormat MatrixInstance::format() const {
69 return mFormat;
70 }
71
exclusiveTo() const72 ExclusiveTo MatrixInstance::exclusiveTo() const {
73 return mExclusiveTo;
74 }
75
optional() const76 bool MatrixInstance::optional() const {
77 return mOptional;
78 }
79
isSatisfiedBy(const FqInstance & provided) const80 bool MatrixInstance::isSatisfiedBy(const FqInstance& provided) const {
81 return package() == provided.getPackage() &&
82 versionRange().supportedBy(provided.getVersion()) &&
83 interface() == provided.getInterface() && matchInstance(provided.getInstance());
84 }
85
matchInstance(const std::string & e) const86 bool MatrixInstance::matchInstance(const std::string& e) const {
87 if (!isRegex()) {
88 return exactInstance() == e;
89 }
90 details::Regex regex;
91 if (!regex.compile(regexPattern())) {
92 return false;
93 }
94 return regex.matches(e);
95 }
96
regexPattern() const97 const std::string& MatrixInstance::regexPattern() const {
98 static const std::string kEmptyString;
99 return isRegex() ? mFqInstance.getInstance() : kEmptyString;
100 }
101
exactInstance() const102 const std::string& MatrixInstance::exactInstance() const {
103 static const std::string kEmptyString;
104 return isRegex() ? kEmptyString : mFqInstance.getInstance();
105 }
106
isRegex() const107 bool MatrixInstance::isRegex() const {
108 return mIsRegex;
109 }
110
interfaceDescription(Version replaceVersion) const111 std::string MatrixInstance::interfaceDescription(Version replaceVersion) const {
112 switch (format()) {
113 case HalFormat::HIDL:
114 [[fallthrough]];
115 case HalFormat::NATIVE: {
116 return toFQNameString(package(), replaceVersion, interface());
117 } break;
118 case HalFormat::AIDL: {
119 return toAidlFqnameString(package(), interface()) + " (@" +
120 aidlVersionToString(replaceVersion) + ")";
121 } break;
122 }
123 }
124
description(Version replaceVersion) const125 std::string MatrixInstance::description(Version replaceVersion) const {
126 std::string instanceDescription = isRegex() ? regexPattern() : exactInstance();
127 switch (format()) {
128 case HalFormat::HIDL:
129 [[fallthrough]];
130 case HalFormat::NATIVE: {
131 return toFQNameString(package(), replaceVersion, interface(), instanceDescription);
132 } break;
133 case HalFormat::AIDL: {
134 return toAidlFqnameString(package(), interface(), instanceDescription) + " (@" +
135 aidlVersionToString(replaceVersion) + ")";
136 } break;
137 }
138 }
139
140 } // namespace vintf
141 } // namespace android
142