1 /*
2 * Copyright (C) 2016 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 "java/ClassDefinition.h"
18
19 #include "androidfw/StringPiece.h"
20
21 using android::StringPiece;
22
23 namespace aapt {
24
WriteToStream(const StringPiece & prefix,bool final,std::ostream * out) const25 void ClassMember::WriteToStream(const StringPiece& prefix, bool final, std::ostream* out) const {
26 processor_.WriteToStream(out, prefix);
27 }
28
AppendStatement(const StringPiece & statement)29 void MethodDefinition::AppendStatement(const StringPiece& statement) {
30 statements_.push_back(statement.to_string());
31 }
32
WriteToStream(const StringPiece & prefix,bool final,std::ostream * out) const33 void MethodDefinition::WriteToStream(const StringPiece& prefix, bool final,
34 std::ostream* out) const {
35 *out << prefix << signature_ << " {\n";
36 for (const auto& statement : statements_) {
37 *out << prefix << " " << statement << "\n";
38 }
39 *out << prefix << "}";
40 }
41
AddMember(std::unique_ptr<ClassMember> member)42 ClassDefinition::Result ClassDefinition::AddMember(std::unique_ptr<ClassMember> member) {
43 Result result = Result::kAdded;
44 auto iter = indexed_members_.find(member->GetName());
45 if (iter != indexed_members_.end()) {
46 // Overwrite the entry.
47 ordered_members_[iter->second].reset();
48 result = Result::kOverridden;
49 }
50
51 indexed_members_[member->GetName()] = ordered_members_.size();
52 ordered_members_.push_back(std::move(member));
53 return result;
54 }
55
empty() const56 bool ClassDefinition::empty() const {
57 for (const std::unique_ptr<ClassMember>& member : ordered_members_) {
58 if (member != nullptr && !member->empty()) {
59 return false;
60 }
61 }
62 return true;
63 }
64
WriteToStream(const StringPiece & prefix,bool final,std::ostream * out) const65 void ClassDefinition::WriteToStream(const StringPiece& prefix, bool final,
66 std::ostream* out) const {
67 if (empty() && !create_if_empty_) {
68 return;
69 }
70
71 ClassMember::WriteToStream(prefix, final, out);
72
73 *out << prefix << "public ";
74 if (qualifier_ == ClassQualifier::kStatic) {
75 *out << "static ";
76 }
77 *out << "final class " << name_ << " {\n";
78
79 std::string new_prefix = prefix.to_string();
80 new_prefix.append(kIndent);
81
82 for (const std::unique_ptr<ClassMember>& member : ordered_members_) {
83 // There can be nullptr members when a member is added to the ClassDefinition
84 // and takes precedence over a previous member with the same name. The overridden member is
85 // set to nullptr.
86 if (member != nullptr) {
87 member->WriteToStream(new_prefix, final, out);
88 *out << "\n";
89 }
90 }
91
92 *out << prefix << "}";
93 }
94
95 constexpr static const char* sWarningHeader =
96 "/* AUTO-GENERATED FILE. DO NOT MODIFY.\n"
97 " *\n"
98 " * This class was automatically generated by the\n"
99 " * aapt tool from the resource data it found. It\n"
100 " * should not be modified by hand.\n"
101 " */\n\n";
102
WriteJavaFile(const ClassDefinition * def,const StringPiece & package,bool final,std::ostream * out)103 bool ClassDefinition::WriteJavaFile(const ClassDefinition* def,
104 const StringPiece& package, bool final,
105 std::ostream* out) {
106 *out << sWarningHeader << "package " << package << ";\n\n";
107 def->WriteToStream("", final, out);
108 return bool(*out);
109 }
110
111 } // namespace aapt
112