diff options
Diffstat (limited to 'tools/aapt2/JavaClassGenerator.cpp')
-rw-r--r-- | tools/aapt2/JavaClassGenerator.cpp | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/tools/aapt2/JavaClassGenerator.cpp b/tools/aapt2/JavaClassGenerator.cpp deleted file mode 100644 index e2ffe79c764d..000000000000 --- a/tools/aapt2/JavaClassGenerator.cpp +++ /dev/null @@ -1,208 +0,0 @@ -/* - * 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 "JavaClassGenerator.h" -#include "NameMangler.h" -#include "Resource.h" -#include "ResourceTable.h" -#include "ResourceValues.h" -#include "StringPiece.h" - -#include <algorithm> -#include <ostream> -#include <set> -#include <sstream> -#include <tuple> - -namespace aapt { - -// The number of attributes to emit per line in a Styleable array. -constexpr size_t kAttribsPerLine = 4; - -JavaClassGenerator::JavaClassGenerator(const std::shared_ptr<const ResourceTable>& table, - Options options) : - mTable(table), mOptions(options) { -} - -static void generateHeader(std::ostream& out, const StringPiece16& package) { - out << "/* AUTO-GENERATED FILE. DO NOT MODIFY.\n" - " *\n" - " * This class was automatically generated by the\n" - " * aapt tool from the resource data it found. It\n" - " * should not be modified by hand.\n" - " */\n\n"; - out << "package " << package << ";" - << std::endl - << std::endl; -} - -static const std::set<StringPiece16> sJavaIdentifiers = { - u"abstract", u"assert", u"boolean", u"break", u"byte", - u"case", u"catch", u"char", u"class", u"const", u"continue", - u"default", u"do", u"double", u"else", u"enum", u"extends", - u"final", u"finally", u"float", u"for", u"goto", u"if", - u"implements", u"import", u"instanceof", u"int", u"interface", - u"long", u"native", u"new", u"package", u"private", u"protected", - u"public", u"return", u"short", u"static", u"strictfp", u"super", - u"switch", u"synchronized", u"this", u"throw", u"throws", - u"transient", u"try", u"void", u"volatile", u"while", u"true", - u"false", u"null" -}; - -static bool isValidSymbol(const StringPiece16& symbol) { - return sJavaIdentifiers.find(symbol) == sJavaIdentifiers.end(); -} - -/* - * Java symbols can not contain . or -, but those are valid in a resource name. - * Replace those with '_'. - */ -static std::u16string transform(const StringPiece16& symbol) { - std::u16string output = symbol.toString(); - for (char16_t& c : output) { - if (c == u'.' || c == u'-') { - c = u'_'; - } - } - return output; -} - -struct GenArgs : ValueVisitorArgs { - GenArgs(std::ostream* o, const std::u16string* p, std::u16string* e) : - out(o), package(p), entryName(e) { - } - - std::ostream* out; - const std::u16string* package; - std::u16string* entryName; -}; - -void JavaClassGenerator::visit(const Styleable& styleable, ValueVisitorArgs& a) { - const StringPiece finalModifier = mOptions.useFinal ? " final" : ""; - std::ostream* out = static_cast<GenArgs&>(a).out; - const std::u16string* package = static_cast<GenArgs&>(a).package; - std::u16string* entryName = static_cast<GenArgs&>(a).entryName; - - // This must be sorted by resource ID. - std::vector<std::pair<ResourceId, ResourceNameRef>> sortedAttributes; - sortedAttributes.reserve(styleable.entries.size()); - for (const auto& attr : styleable.entries) { - // If we are not encoding final attributes, the styleable entry may have no ID - // if we are building a static library. - assert((!mOptions.useFinal || attr.id.isValid()) && "no ID set for Styleable entry"); - assert(attr.name.isValid() && "no name set for Styleable entry"); - sortedAttributes.emplace_back(attr.id, attr.name); - } - std::sort(sortedAttributes.begin(), sortedAttributes.end()); - - // First we emit the array containing the IDs of each attribute. - *out << " " - << "public static final int[] " << transform(*entryName) << " = {"; - - const size_t attrCount = sortedAttributes.size(); - for (size_t i = 0; i < attrCount; i++) { - if (i % kAttribsPerLine == 0) { - *out << std::endl << " "; - } - - *out << sortedAttributes[i].first; - if (i != attrCount - 1) { - *out << ", "; - } - } - *out << std::endl << " };" << std::endl; - - // Now we emit the indices into the array. - for (size_t i = 0; i < attrCount; i++) { - *out << " " - << "public static" << finalModifier - << " int " << transform(*entryName); - - // We may reference IDs from other packages, so prefix the entry name with - // the package. - const ResourceNameRef& itemName = sortedAttributes[i].second; - if (itemName.package != *package) { - *out << "_" << transform(itemName.package); - } - *out << "_" << transform(itemName.entry) << " = " << i << ";" << std::endl; - } -} - -bool JavaClassGenerator::generateType(const std::u16string& package, size_t packageId, - const ResourceTableType& type, std::ostream& out) { - const StringPiece finalModifier = mOptions.useFinal ? " final" : ""; - - std::u16string unmangledPackage; - std::u16string unmangledName; - for (const auto& entry : type.entries) { - ResourceId id = { packageId, type.typeId, entry->entryId }; - assert(id.isValid()); - - unmangledName = entry->name; - if (NameMangler::unmangle(&unmangledName, &unmangledPackage)) { - // The entry name was mangled, and we successfully unmangled it. - // Check that we want to emit this symbol. - if (package != unmangledPackage) { - // Skip the entry if it doesn't belong to the package we're writing. - continue; - } - } else { - if (package != mTable->getPackage()) { - // We are processing a mangled package name, - // but this is a non-mangled resource. - continue; - } - } - - if (!isValidSymbol(unmangledName)) { - ResourceNameRef resourceName = { package, type.type, unmangledName }; - std::stringstream err; - err << "invalid symbol name '" << resourceName << "'"; - mError = err.str(); - return false; - } - - if (type.type == ResourceType::kStyleable) { - assert(!entry->values.empty()); - entry->values.front().value->accept(*this, GenArgs{ &out, &package, &unmangledName }); - } else { - out << " " << "public static" << finalModifier - << " int " << transform(unmangledName) << " = " << id << ";" << std::endl; - } - } - return true; -} - -bool JavaClassGenerator::generate(const std::u16string& package, std::ostream& out) { - const size_t packageId = mTable->getPackageId(); - - generateHeader(out, package); - - out << "public final class R {" << std::endl; - - for (const auto& type : *mTable) { - out << " public static final class " << type->type << " {" << std::endl; - if (!generateType(package, packageId, *type, out)) { - return false; - } - out << " }" << std::endl; - } - - out << "}" << std::endl; - return true; -} - -} // namespace aapt |