Files
frameworks_base/tools/aapt2/java/ManifestClassGenerator.cpp
Adam Lesinski 81e9ecfc00 AAPT2: Differentiate between Android and Java package names
Android package names are more strict (ASCII only) than Java package names.
Also fixed an issue where trailing underscores were disallowed in Android
package names.

Bug: 68468089
Test: make aapt2_tests
Merged-In: I1052e9e82b6617db6065ce448d9bf7972bb68d59
Change-Id: I1052e9e82b6617db6065ce448d9bf7972bb68d59
2017-11-09 01:49:58 +00:00

124 lines
4.1 KiB
C++

/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "java/ManifestClassGenerator.h"
#include <algorithm>
#include "Source.h"
#include "java/AnnotationProcessor.h"
#include "java/ClassDefinition.h"
#include "text/Unicode.h"
#include "util/Maybe.h"
#include "xml/XmlDom.h"
using android::StringPiece;
using ::aapt::text::IsJavaIdentifier;
namespace aapt {
static Maybe<StringPiece> ExtractJavaIdentifier(IDiagnostics* diag, const Source& source,
const std::string& value) {
StringPiece result = value;
size_t pos = value.rfind('.');
if (pos != std::string::npos) {
result = result.substr(pos + 1);
}
if (result.empty()) {
diag->Error(DiagMessage(source) << "empty symbol");
return {};
}
if (!IsJavaIdentifier(result)) {
diag->Error(DiagMessage(source) << "invalid Java identifier '" << result << "'");
return {};
}
return result;
}
static bool WriteSymbol(const Source& source, IDiagnostics* diag,
xml::Element* el, ClassDefinition* class_def) {
xml::Attribute* attr = el->FindAttribute(xml::kSchemaAndroid, "name");
if (!attr) {
diag->Error(DiagMessage(source) << "<" << el->name
<< "> must define 'android:name'");
return false;
}
Maybe<StringPiece> result = ExtractJavaIdentifier(
diag, source.WithLine(el->line_number), attr->value);
if (!result) {
return false;
}
std::unique_ptr<StringMember> string_member =
util::make_unique<StringMember>(result.value(), attr->value);
string_member->GetCommentBuilder()->AppendComment(el->comment);
if (class_def->AddMember(std::move(string_member)) == ClassDefinition::Result::kOverridden) {
diag->Warn(DiagMessage(source.WithLine(el->line_number))
<< "duplicate definitions of '" << result.value() << "', overriding previous");
}
return true;
}
std::unique_ptr<ClassDefinition> GenerateManifestClass(IDiagnostics* diag,
xml::XmlResource* res) {
xml::Element* el = xml::FindRootElement(res->root.get());
if (!el) {
diag->Error(DiagMessage(res->file.source) << "no root tag defined");
return {};
}
if (el->name != "manifest" && !el->namespace_uri.empty()) {
diag->Error(DiagMessage(res->file.source)
<< "no <manifest> root tag defined");
return {};
}
std::unique_ptr<ClassDefinition> permission_class =
util::make_unique<ClassDefinition>("permission", ClassQualifier::kStatic, false);
std::unique_ptr<ClassDefinition> permission_group_class =
util::make_unique<ClassDefinition>("permission_group", ClassQualifier::kStatic, false);
bool error = false;
std::vector<xml::Element*> children = el->GetChildElements();
for (xml::Element* child_el : children) {
if (child_el->namespace_uri.empty()) {
if (child_el->name == "permission") {
error |= !WriteSymbol(res->file.source, diag, child_el,
permission_class.get());
} else if (child_el->name == "permission-group") {
error |= !WriteSymbol(res->file.source, diag, child_el,
permission_group_class.get());
}
}
}
if (error) {
return {};
}
std::unique_ptr<ClassDefinition> manifest_class =
util::make_unique<ClassDefinition>("Manifest", ClassQualifier::kNone, false);
manifest_class->AddMember(std::move(permission_class));
manifest_class->AddMember(std::move(permission_group_class));
return manifest_class;
}
} // namespace aapt