| /* |
| * 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 "format/binary/BinaryResourceParser.h" |
| |
| #include <algorithm> |
| #include <map> |
| #include <string> |
| |
| #include "android-base/logging.h" |
| #include "android-base/macros.h" |
| #include "android-base/stringprintf.h" |
| #include "androidfw/ResourceTypes.h" |
| #include "androidfw/TypeWrappers.h" |
| |
| #include "ResourceTable.h" |
| #include "ResourceUtils.h" |
| #include "ResourceValues.h" |
| #include "Source.h" |
| #include "ValueVisitor.h" |
| #include "format/binary/ResChunkPullParser.h" |
| #include "util/Util.h" |
| |
| using namespace android; |
| |
| using ::android::base::StringPrintf; |
| |
| namespace aapt { |
| |
| namespace { |
| |
| static std::u16string strcpy16_dtoh(const char16_t* src, size_t len) { |
| size_t utf16_len = strnlen16(src, len); |
| if (utf16_len == 0) { |
| return {}; |
| } |
| std::u16string dst; |
| dst.resize(utf16_len); |
| for (size_t i = 0; i < utf16_len; i++) { |
| dst[i] = util::DeviceToHost16(src[i]); |
| } |
| return dst; |
| } |
| |
| // Visitor that converts a reference's resource ID to a resource name, given a mapping from |
| // resource ID to resource name. |
| class ReferenceIdToNameVisitor : public DescendingValueVisitor { |
| public: |
| using DescendingValueVisitor::Visit; |
| |
| explicit ReferenceIdToNameVisitor(const std::map<ResourceId, ResourceName>* mapping) |
| : mapping_(mapping) { |
| CHECK(mapping_ != nullptr); |
| } |
| |
| void Visit(Reference* reference) override { |
| if (!reference->id || !reference->id.value().is_valid()) { |
| return; |
| } |
| |
| ResourceId id = reference->id.value(); |
| auto cache_iter = mapping_->find(id); |
| if (cache_iter != mapping_->end()) { |
| reference->name = cache_iter->second; |
| } |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ReferenceIdToNameVisitor); |
| |
| const std::map<ResourceId, ResourceName>* mapping_; |
| }; |
| |
| } // namespace |
| |
| BinaryResourceParser::BinaryResourceParser(IDiagnostics* diag, ResourceTable* table, |
| const Source& source, const void* data, size_t len, |
| io::IFileCollection* files) |
| : diag_(diag), table_(table), source_(source), data_(data), data_len_(len), files_(files) { |
| } |
| |
| bool BinaryResourceParser::Parse() { |
| ResChunkPullParser parser(data_, data_len_); |
| |
| if (!ResChunkPullParser::IsGoodEvent(parser.Next())) { |
| diag_->Error(DiagMessage(source_) << "corrupt resources.arsc: " << parser.error()); |
| return false; |
| } |
| |
| if (parser.chunk()->type != android::RES_TABLE_TYPE) { |
| diag_->Error(DiagMessage(source_) << StringPrintf("unknown chunk of type 0x%02x", |
| static_cast<int>(parser.chunk()->type))); |
| return false; |
| } |
| |
| if (!ParseTable(parser.chunk())) { |
| return false; |
| } |
| |
| if (parser.Next() != ResChunkPullParser::Event::kEndDocument) { |
| if (parser.event() == ResChunkPullParser::Event::kBadDocument) { |
| diag_->Warn(DiagMessage(source_) |
| << "invalid chunk trailing RES_TABLE_TYPE: " << parser.error()); |
| } else { |
| diag_->Warn(DiagMessage(source_) |
| << StringPrintf("unexpected chunk of type 0x%02x trailing RES_TABLE_TYPE", |
| static_cast<int>(parser.chunk()->type))); |
| } |
| } |
| |
| if (!staged_entries_to_remove_.empty()) { |
| diag_->Error(DiagMessage(source_) << "didn't find " << staged_entries_to_remove_.size() |
| << " original staged resources"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // Parses the resource table, which contains all the packages, types, and entries. |
| bool BinaryResourceParser::ParseTable(const ResChunk_header* chunk) { |
| const ResTable_header* table_header = ConvertTo<ResTable_header>(chunk); |
| if (!table_header) { |
| diag_->Error(DiagMessage(source_) << "corrupt ResTable_header chunk"); |
| return false; |
| } |
| |
| ResChunkPullParser parser(GetChunkData(&table_header->header), |
| GetChunkDataLen(&table_header->header)); |
| while (ResChunkPullParser::IsGoodEvent(parser.Next())) { |
| switch (util::DeviceToHost16(parser.chunk()->type)) { |
| case android::RES_STRING_POOL_TYPE: |
| if (value_pool_.getError() == NO_INIT) { |
| status_t err = |
| value_pool_.setTo(parser.chunk(), util::DeviceToHost32(parser.chunk()->size)); |
| if (err != NO_ERROR) { |
| diag_->Error(DiagMessage(source_) |
| << "corrupt string pool in ResTable: " << value_pool_.getError()); |
| return false; |
| } |
| |
| // Reserve some space for the strings we are going to add. |
| table_->string_pool.HintWillAdd(value_pool_.size(), value_pool_.styleCount()); |
| } else { |
| diag_->Warn(DiagMessage(source_) << "unexpected string pool in ResTable"); |
| } |
| break; |
| |
| case android::RES_TABLE_PACKAGE_TYPE: |
| if (!ParsePackage(parser.chunk())) { |
| return false; |
| } |
| break; |
| |
| default: |
| diag_->Warn(DiagMessage(source_) |
| << "unexpected chunk type " |
| << static_cast<int>(util::DeviceToHost16(parser.chunk()->type))); |
| break; |
| } |
| } |
| |
| if (parser.event() == ResChunkPullParser::Event::kBadDocument) { |
| diag_->Error(DiagMessage(source_) << "corrupt resource table: " << parser.error()); |
| return false; |
| } |
| return true; |
| } |
| |
| bool BinaryResourceParser::ParsePackage(const ResChunk_header* chunk) { |
| constexpr size_t kMinPackageSize = |
| sizeof(ResTable_package) - sizeof(ResTable_package::typeIdOffset); |
| const ResTable_package* package_header = ConvertTo<ResTable_package, kMinPackageSize>(chunk); |
| if (!package_header) { |
| diag_->Error(DiagMessage(source_) << "corrupt ResTable_package chunk"); |
| return false; |
| } |
| |
| uint32_t package_id = util::DeviceToHost32(package_header->id); |
| if (package_id > std::numeric_limits<uint8_t>::max()) { |
| diag_->Error(DiagMessage(source_) << "package ID is too big (" << package_id << ")"); |
| return false; |
| } |
| |
| // Extract the package name. |
| std::u16string package_name = strcpy16_dtoh((const char16_t*)package_header->name, |
| arraysize(package_header->name)); |
| |
| ResourceTablePackage* package = table_->FindOrCreatePackage(util::Utf16ToUtf8(package_name)); |
| if (!package) { |
| diag_->Error(DiagMessage(source_) |
| << "incompatible package '" << package_name << "' with ID " << package_id); |
| return false; |
| } |
| |
| // There can be multiple packages in a table, so |
| // clear the type and key pool in case they were set from a previous package. |
| type_pool_.uninit(); |
| key_pool_.uninit(); |
| |
| ResChunkPullParser parser(GetChunkData(&package_header->header), |
| GetChunkDataLen(&package_header->header)); |
| while (ResChunkPullParser::IsGoodEvent(parser.Next())) { |
| switch (util::DeviceToHost16(parser.chunk()->type)) { |
| case android::RES_STRING_POOL_TYPE: |
| if (type_pool_.getError() == NO_INIT) { |
| status_t err = |
| type_pool_.setTo(parser.chunk(), util::DeviceToHost32(parser.chunk()->size)); |
| if (err != NO_ERROR) { |
| diag_->Error(DiagMessage(source_) << "corrupt type string pool in " |
| << "ResTable_package: " << type_pool_.getError()); |
| return false; |
| } |
| } else if (key_pool_.getError() == NO_INIT) { |
| status_t err = |
| key_pool_.setTo(parser.chunk(), util::DeviceToHost32(parser.chunk()->size)); |
| if (err != NO_ERROR) { |
| diag_->Error(DiagMessage(source_) << "corrupt key string pool in " |
| << "ResTable_package: " << key_pool_.getError()); |
| return false; |
| } |
| } else { |
| diag_->Warn(DiagMessage(source_) << "unexpected string pool"); |
| } |
| break; |
| |
| case android::RES_TABLE_TYPE_SPEC_TYPE: |
| if (!ParseTypeSpec(package, parser.chunk(), package_id)) { |
| return false; |
| } |
| break; |
| |
| case android::RES_TABLE_TYPE_TYPE: |
| if (!ParseType(package, parser.chunk(), package_id)) { |
| return false; |
| } |
| break; |
| |
| case android::RES_TABLE_LIBRARY_TYPE: |
| if (!ParseLibrary(parser.chunk())) { |
| return false; |
| } |
| break; |
| |
| case android::RES_TABLE_OVERLAYABLE_TYPE: |
| if (!ParseOverlayable(parser.chunk())) { |
| return false; |
| } |
| break; |
| |
| case android::RES_TABLE_STAGED_ALIAS_TYPE: |
| if (!ParseStagedAliases(parser.chunk())) { |
| return false; |
| } |
| break; |
| |
| default: |
| diag_->Warn(DiagMessage(source_) |
| << "unexpected chunk type " |
| << static_cast<int>(util::DeviceToHost16(parser.chunk()->type))); |
| break; |
| } |
| } |
| |
| if (parser.event() == ResChunkPullParser::Event::kBadDocument) { |
| diag_->Error(DiagMessage(source_) << "corrupt ResTable_package: " << parser.error()); |
| return false; |
| } |
| |
| // Now go through the table and change local resource ID references to |
| // symbolic references. |
| ReferenceIdToNameVisitor visitor(&id_index_); |
| VisitAllValuesInTable(table_, &visitor); |
| return true; |
| } |
| |
| bool BinaryResourceParser::ParseTypeSpec(const ResourceTablePackage* package, |
| const ResChunk_header* chunk, uint8_t package_id) { |
| if (type_pool_.getError() != NO_ERROR) { |
| diag_->Error(DiagMessage(source_) << "missing type string pool"); |
| return false; |
| } |
| |
| const ResTable_typeSpec* type_spec = ConvertTo<ResTable_typeSpec>(chunk); |
| if (!type_spec) { |
| diag_->Error(DiagMessage(source_) << "corrupt ResTable_typeSpec chunk"); |
| return false; |
| } |
| |
| if (type_spec->id == 0) { |
| diag_->Error(DiagMessage(source_) << "ResTable_typeSpec has invalid id: " << type_spec->id); |
| return false; |
| } |
| |
| // The data portion of this chunk contains entry_count 32bit entries, |
| // each one representing a set of flags. |
| const size_t entry_count = dtohl(type_spec->entryCount); |
| |
| // There can only be 2^16 entries in a type, because that is the ID |
| // space for entries (EEEE) in the resource ID 0xPPTTEEEE. |
| if (entry_count > std::numeric_limits<uint16_t>::max()) { |
| diag_->Error(DiagMessage(source_) |
| << "ResTable_typeSpec has too many entries (" << entry_count << ")"); |
| return false; |
| } |
| |
| const size_t data_size = util::DeviceToHost32(type_spec->header.size) - |
| util::DeviceToHost16(type_spec->header.headerSize); |
| if (entry_count * sizeof(uint32_t) > data_size) { |
| diag_->Error(DiagMessage(source_) << "ResTable_typeSpec too small to hold entries."); |
| return false; |
| } |
| |
| // Record the type_spec_flags for later. We don't know resource names yet, and we need those |
| // to mark resources as overlayable. |
| const uint32_t* type_spec_flags = reinterpret_cast<const uint32_t*>( |
| reinterpret_cast<uintptr_t>(type_spec) + util::DeviceToHost16(type_spec->header.headerSize)); |
| for (size_t i = 0; i < entry_count; i++) { |
| ResourceId id(package_id, type_spec->id, static_cast<size_t>(i)); |
| entry_type_spec_flags_[id] = util::DeviceToHost32(type_spec_flags[i]); |
| } |
| return true; |
| } |
| |
| bool BinaryResourceParser::ParseType(const ResourceTablePackage* package, |
| const ResChunk_header* chunk, uint8_t package_id) { |
| if (type_pool_.getError() != NO_ERROR) { |
| diag_->Error(DiagMessage(source_) << "missing type string pool"); |
| return false; |
| } |
| |
| if (key_pool_.getError() != NO_ERROR) { |
| diag_->Error(DiagMessage(source_) << "missing key string pool"); |
| return false; |
| } |
| |
| // Specify a manual size, because ResTable_type contains ResTable_config, which changes |
| // a lot and has its own code to handle variable size. |
| const ResTable_type* type = ConvertTo<ResTable_type, kResTableTypeMinSize>(chunk); |
| if (!type) { |
| diag_->Error(DiagMessage(source_) << "corrupt ResTable_type chunk"); |
| return false; |
| } |
| |
| if (type->id == 0) { |
| diag_->Error(DiagMessage(source_) << "ResTable_type has invalid id: " << (int)type->id); |
| return false; |
| } |
| |
| ConfigDescription config; |
| config.copyFromDtoH(type->config); |
| |
| const std::string type_str = util::GetString(type_pool_, type->id - 1); |
| const ResourceType* parsed_type = ParseResourceType(type_str); |
| if (!parsed_type) { |
| diag_->Warn(DiagMessage(source_) |
| << "invalid type name '" << type_str << "' for type with ID " << type->id); |
| return true; |
| } |
| |
| TypeVariant tv(type); |
| for (auto it = tv.beginEntries(); it != tv.endEntries(); ++it) { |
| const ResTable_entry* entry = *it; |
| if (!entry) { |
| continue; |
| } |
| |
| const ResourceName name(package->name, *parsed_type, |
| util::GetString(key_pool_, util::DeviceToHost32(entry->key.index))); |
| const ResourceId res_id(package_id, type->id, static_cast<uint16_t>(it.index())); |
| |
| std::unique_ptr<Value> resource_value; |
| if (entry->flags & ResTable_entry::FLAG_COMPLEX) { |
| const ResTable_map_entry* mapEntry = static_cast<const ResTable_map_entry*>(entry); |
| |
| // TODO(adamlesinski): Check that the entry count is valid. |
| resource_value = ParseMapEntry(name, config, mapEntry); |
| } else { |
| const Res_value* value = |
| (const Res_value*)((const uint8_t*)entry + util::DeviceToHost32(entry->size)); |
| resource_value = ParseValue(name, config, *value); |
| } |
| |
| if (!resource_value) { |
| diag_->Error(DiagMessage(source_) << "failed to parse value for resource " << name << " (" |
| << res_id << ") with configuration '" << config << "'"); |
| return false; |
| } |
| |
| if (const auto to_remove_it = staged_entries_to_remove_.find({name, res_id}); |
| to_remove_it != staged_entries_to_remove_.end()) { |
| staged_entries_to_remove_.erase(to_remove_it); |
| continue; |
| } |
| |
| NewResourceBuilder res_builder(name); |
| res_builder.SetValue(std::move(resource_value), config) |
| .SetId(res_id, OnIdConflict::CREATE_ENTRY) |
| .SetAllowMangled(true); |
| |
| if (entry->flags & ResTable_entry::FLAG_PUBLIC) { |
| Visibility visibility{Visibility::Level::kPublic}; |
| |
| auto spec_flags = entry_type_spec_flags_.find(res_id); |
| if (spec_flags != entry_type_spec_flags_.end() && |
| spec_flags->second & ResTable_typeSpec::SPEC_STAGED_API) { |
| visibility.staged_api = true; |
| } |
| |
| res_builder.SetVisibility(visibility); |
| // Erase the ID from the map once processed, so that we don't mark the same symbol more than |
| // once. |
| entry_type_spec_flags_.erase(res_id); |
| } |
| |
| // Add this resource name->id mapping to the index so |
| // that we can resolve all ID references to name references. |
| auto cache_iter = id_index_.find(res_id); |
| if (cache_iter == id_index_.end()) { |
| id_index_.insert({res_id, name}); |
| } |
| |
| if (!table_->AddResource(res_builder.Build(), diag_)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool BinaryResourceParser::ParseLibrary(const ResChunk_header* chunk) { |
| DynamicRefTable dynamic_ref_table; |
| if (dynamic_ref_table.load(reinterpret_cast<const ResTable_lib_header*>(chunk)) != NO_ERROR) { |
| return false; |
| } |
| |
| const KeyedVector<String16, uint8_t>& entries = dynamic_ref_table.entries(); |
| const size_t count = entries.size(); |
| for (size_t i = 0; i < count; i++) { |
| table_->included_packages_[entries.valueAt(i)] = |
| util::Utf16ToUtf8(StringPiece16(entries.keyAt(i).string())); |
| } |
| return true; |
| } |
| |
| bool BinaryResourceParser::ParseOverlayable(const ResChunk_header* chunk) { |
| const ResTable_overlayable_header* header = ConvertTo<ResTable_overlayable_header>(chunk); |
| if (!header) { |
| diag_->Error(DiagMessage(source_) << "corrupt ResTable_category_header chunk"); |
| return false; |
| } |
| |
| auto overlayable = std::make_shared<Overlayable>(); |
| overlayable->name = util::Utf16ToUtf8(strcpy16_dtoh((const char16_t*)header->name, |
| arraysize(header->name))); |
| overlayable->actor = util::Utf16ToUtf8(strcpy16_dtoh((const char16_t*)header->actor, |
| arraysize(header->name))); |
| |
| ResChunkPullParser parser(GetChunkData(chunk), |
| GetChunkDataLen(chunk)); |
| while (ResChunkPullParser::IsGoodEvent(parser.Next())) { |
| if (util::DeviceToHost16(parser.chunk()->type) == android::RES_TABLE_OVERLAYABLE_POLICY_TYPE) { |
| const ResTable_overlayable_policy_header* policy_header = |
| ConvertTo<ResTable_overlayable_policy_header>(parser.chunk()); |
| |
| const ResTable_ref* const ref_begin = reinterpret_cast<const ResTable_ref*>( |
| ((uint8_t *)policy_header) + util::DeviceToHost32(policy_header->header.headerSize)); |
| const ResTable_ref* const ref_end = ref_begin |
| + util::DeviceToHost32(policy_header->entry_count); |
| for (auto ref_iter = ref_begin; ref_iter != ref_end; ++ref_iter) { |
| ResourceId res_id(util::DeviceToHost32(ref_iter->ident)); |
| const auto iter = id_index_.find(res_id); |
| |
| // If the overlayable chunk comes before the type chunks, the resource ids and resource name |
| // pairing will not exist at this point. |
| if (iter == id_index_.cend()) { |
| diag_->Error(DiagMessage(source_) << "failed to find resource name for overlayable" |
| << " resource " << res_id); |
| return false; |
| } |
| |
| OverlayableItem overlayable_item(overlayable); |
| overlayable_item.policies = policy_header->policy_flags; |
| if (!table_->AddResource(NewResourceBuilder(iter->second) |
| .SetId(res_id, OnIdConflict::CREATE_ENTRY) |
| .SetOverlayable(std::move(overlayable_item)) |
| .SetAllowMangled(true) |
| .Build(), |
| diag_)) { |
| return false; |
| } |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| bool BinaryResourceParser::ParseStagedAliases(const ResChunk_header* chunk) { |
| auto header = ConvertTo<ResTable_staged_alias_header>(chunk); |
| if (!header) { |
| diag_->Error(DiagMessage(source_) << "corrupt ResTable_staged_alias_header chunk"); |
| return false; |
| } |
| |
| const auto ref_begin = reinterpret_cast<const ResTable_staged_alias_entry*>( |
| ((uint8_t*)header) + util::DeviceToHost32(header->header.headerSize)); |
| const auto ref_end = ref_begin + util::DeviceToHost32(header->count); |
| for (auto ref_iter = ref_begin; ref_iter != ref_end; ++ref_iter) { |
| const auto staged_id = ResourceId(util::DeviceToHost32(ref_iter->stagedResId)); |
| const auto finalized_id = ResourceId(util::DeviceToHost32(ref_iter->finalizedResId)); |
| |
| // If the staged alias chunk comes before the type chunks, the resource ids and resource name |
| // pairing will not exist at this point. |
| const auto iter = id_index_.find(finalized_id); |
| if (iter == id_index_.cend()) { |
| diag_->Error(DiagMessage(source_) << "failed to find resource name for finalized" |
| << " resource ID " << finalized_id); |
| return false; |
| } |
| |
| // Set the staged id of the finalized resource. |
| const auto& resource_name = iter->second; |
| const StagedId staged_id_def{.id = staged_id}; |
| if (!table_->AddResource(NewResourceBuilder(resource_name) |
| .SetId(finalized_id, OnIdConflict::CREATE_ENTRY) |
| .SetStagedId(staged_id_def) |
| .SetAllowMangled(true) |
| .Build(), |
| diag_)) { |
| return false; |
| } |
| |
| // Since a the finalized resource entry is cloned and added to the resource table under the |
| // staged resource id, remove the cloned resource entry from the table. |
| if (!table_->RemoveResource(resource_name, staged_id)) { |
| // If we haven't seen this resource yet let's add a record to skip it when parsing. |
| staged_entries_to_remove_.insert({resource_name, staged_id}); |
| } |
| } |
| return true; |
| } |
| |
| std::unique_ptr<Item> BinaryResourceParser::ParseValue(const ResourceNameRef& name, |
| const ConfigDescription& config, |
| const android::Res_value& value) { |
| std::unique_ptr<Item> item = ResourceUtils::ParseBinaryResValue(name.type, config, value_pool_, |
| value, &table_->string_pool); |
| if (files_ != nullptr) { |
| FileReference* file_ref = ValueCast<FileReference>(item.get()); |
| if (file_ref != nullptr) { |
| file_ref->file = files_->FindFile(*file_ref->path); |
| if (file_ref->file == nullptr) { |
| diag_->Warn(DiagMessage() << "resource " << name << " for config '" << config |
| << "' is a file reference to '" << *file_ref->path |
| << "' but no such path exists"); |
| } |
| } |
| } |
| return item; |
| } |
| |
| std::unique_ptr<Value> BinaryResourceParser::ParseMapEntry(const ResourceNameRef& name, |
| const ConfigDescription& config, |
| const ResTable_map_entry* map) { |
| switch (name.type) { |
| case ResourceType::kStyle: |
| return ParseStyle(name, config, map); |
| case ResourceType::kAttrPrivate: |
| // fallthrough |
| case ResourceType::kAttr: |
| return ParseAttr(name, config, map); |
| case ResourceType::kArray: |
| return ParseArray(name, config, map); |
| case ResourceType::kPlurals: |
| return ParsePlural(name, config, map); |
| case ResourceType::kId: |
| // Special case: An ID is not a bag, but some apps have defined the auto-generated |
| // IDs that come from declaring an enum value in an attribute as an empty map... |
| // We can ignore the value here. |
| return util::make_unique<Id>(); |
| default: |
| diag_->Error(DiagMessage() << "illegal map type '" << to_string(name.type) << "' (" |
| << (int)name.type << ")"); |
| break; |
| } |
| return {}; |
| } |
| |
| std::unique_ptr<Style> BinaryResourceParser::ParseStyle(const ResourceNameRef& name, |
| const ConfigDescription& config, |
| const ResTable_map_entry* map) { |
| std::unique_ptr<Style> style = util::make_unique<Style>(); |
| if (util::DeviceToHost32(map->parent.ident) != 0) { |
| // The parent is a regular reference to a resource. |
| style->parent = Reference(util::DeviceToHost32(map->parent.ident)); |
| } |
| |
| for (const ResTable_map& map_entry : map) { |
| if (Res_INTERNALID(util::DeviceToHost32(map_entry.name.ident))) { |
| continue; |
| } |
| |
| Style::Entry style_entry; |
| style_entry.key = Reference(util::DeviceToHost32(map_entry.name.ident)); |
| style_entry.value = ParseValue(name, config, map_entry.value); |
| if (!style_entry.value) { |
| return {}; |
| } |
| style->entries.push_back(std::move(style_entry)); |
| } |
| return style; |
| } |
| |
| std::unique_ptr<Attribute> BinaryResourceParser::ParseAttr(const ResourceNameRef& name, |
| const ConfigDescription& config, |
| const ResTable_map_entry* map) { |
| std::unique_ptr<Attribute> attr = util::make_unique<Attribute>(); |
| attr->SetWeak((util::DeviceToHost16(map->flags) & ResTable_entry::FLAG_WEAK) != 0); |
| |
| // First we must discover what type of attribute this is. Find the type mask. |
| auto type_mask_iter = std::find_if(begin(map), end(map), [](const ResTable_map& entry) -> bool { |
| return util::DeviceToHost32(entry.name.ident) == ResTable_map::ATTR_TYPE; |
| }); |
| |
| if (type_mask_iter != end(map)) { |
| attr->type_mask = util::DeviceToHost32(type_mask_iter->value.data); |
| } |
| |
| for (const ResTable_map& map_entry : map) { |
| if (Res_INTERNALID(util::DeviceToHost32(map_entry.name.ident))) { |
| switch (util::DeviceToHost32(map_entry.name.ident)) { |
| case ResTable_map::ATTR_MIN: |
| attr->min_int = static_cast<int32_t>(map_entry.value.data); |
| break; |
| case ResTable_map::ATTR_MAX: |
| attr->max_int = static_cast<int32_t>(map_entry.value.data); |
| break; |
| } |
| continue; |
| } |
| |
| if (attr->type_mask & (ResTable_map::TYPE_ENUM | ResTable_map::TYPE_FLAGS)) { |
| Attribute::Symbol symbol; |
| symbol.value = util::DeviceToHost32(map_entry.value.data); |
| symbol.type = map_entry.value.dataType; |
| symbol.symbol = Reference(util::DeviceToHost32(map_entry.name.ident)); |
| attr->symbols.push_back(std::move(symbol)); |
| } |
| } |
| |
| // TODO(adamlesinski): Find i80n, attributes. |
| return attr; |
| } |
| |
| std::unique_ptr<Array> BinaryResourceParser::ParseArray(const ResourceNameRef& name, |
| const ConfigDescription& config, |
| const ResTable_map_entry* map) { |
| std::unique_ptr<Array> array = util::make_unique<Array>(); |
| for (const ResTable_map& map_entry : map) { |
| array->elements.push_back(ParseValue(name, config, map_entry.value)); |
| } |
| return array; |
| } |
| |
| std::unique_ptr<Plural> BinaryResourceParser::ParsePlural(const ResourceNameRef& name, |
| const ConfigDescription& config, |
| const ResTable_map_entry* map) { |
| std::unique_ptr<Plural> plural = util::make_unique<Plural>(); |
| for (const ResTable_map& map_entry : map) { |
| std::unique_ptr<Item> item = ParseValue(name, config, map_entry.value); |
| if (!item) { |
| return {}; |
| } |
| |
| switch (util::DeviceToHost32(map_entry.name.ident)) { |
| case ResTable_map::ATTR_ZERO: |
| plural->values[Plural::Zero] = std::move(item); |
| break; |
| case ResTable_map::ATTR_ONE: |
| plural->values[Plural::One] = std::move(item); |
| break; |
| case ResTable_map::ATTR_TWO: |
| plural->values[Plural::Two] = std::move(item); |
| break; |
| case ResTable_map::ATTR_FEW: |
| plural->values[Plural::Few] = std::move(item); |
| break; |
| case ResTable_map::ATTR_MANY: |
| plural->values[Plural::Many] = std::move(item); |
| break; |
| case ResTable_map::ATTR_OTHER: |
| plural->values[Plural::Other] = std::move(item); |
| break; |
| } |
| } |
| return plural; |
| } |
| |
| } // namespace aapt |
