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/*
* 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.
*/
#ifndef AAPT_FORMAT_BINARY_RESOURCEPARSER_H
#define AAPT_FORMAT_BINARY_RESOURCEPARSER_H
#include <string>
#include "android-base/macros.h"
#include "androidfw/ResourceTypes.h"
#include "ResourceTable.h"
#include "ResourceValues.h"
#include "Source.h"
#include "process/IResourceTableConsumer.h"
#include "util/Util.h"
namespace aapt {
struct SymbolTable_entry;
// Parses a binary resource table (resources.arsc) and adds the entries to a ResourceTable.
// This is different than the libandroidfw ResTable in that it scans the table from top to bottom
// and doesn't require support for random access.
class BinaryResourceParser {
public:
// Creates a parser, which will read `len` bytes from `data`, and add any resources parsed to
// `table`. `source` is for logging purposes.
BinaryResourceParser(IDiagnostics* diag, ResourceTable* table, const Source& source,
const void* data, size_t data_len, io::IFileCollection* files = nullptr);
// Parses the binary resource table and returns true if successful.
bool Parse();
private:
DISALLOW_COPY_AND_ASSIGN(BinaryResourceParser);
bool ParseTable(const android::ResChunk_header* chunk);
bool ParsePackage(const android::ResChunk_header* chunk);
bool ParseTypeSpec(const ResourceTablePackage* package, const android::ResChunk_header* chunk);
bool ParseType(const ResourceTablePackage* package, const android::ResChunk_header* chunk);
bool ParseLibrary(const android::ResChunk_header* chunk);
std::unique_ptr<Item> ParseValue(const ResourceNameRef& name, const ConfigDescription& config,
const android::Res_value& value);
std::unique_ptr<Value> ParseMapEntry(const ResourceNameRef& name, const ConfigDescription& config,
const android::ResTable_map_entry* map);
std::unique_ptr<Style> ParseStyle(const ResourceNameRef& name, const ConfigDescription& config,
const android::ResTable_map_entry* map);
std::unique_ptr<Attribute> ParseAttr(const ResourceNameRef& name, const ConfigDescription& config,
const android::ResTable_map_entry* map);
std::unique_ptr<Array> ParseArray(const ResourceNameRef& name, const ConfigDescription& config,
const android::ResTable_map_entry* map);
std::unique_ptr<Plural> ParsePlural(const ResourceNameRef& name, const ConfigDescription& config,
const android::ResTable_map_entry* map);
/**
* If the mapEntry is a special type that denotes meta data (source, comment),
* then it is
* read and added to the Value.
* Returns true if the mapEntry was meta data.
*/
bool CollectMetaData(const android::ResTable_map& map_entry, Value* value);
IDiagnostics* diag_;
ResourceTable* table_;
const Source source_;
const void* data_;
const size_t data_len_;
// Optional file collection from which to create io::IFile objects.
io::IFileCollection* files_;
// The standard value string pool for resource values.
android::ResStringPool value_pool_;
// The string pool that holds the names of the types defined
// in this table.
android::ResStringPool type_pool_;
// The string pool that holds the names of the entries defined
// in this table.
android::ResStringPool key_pool_;
// A mapping of resource ID to resource name. When we finish parsing
// we use this to convert all resource IDs to symbolic references.
std::map<ResourceId, ResourceName> id_index_;
// A mapping of resource ID to type spec flags.
std::unordered_map<ResourceId, uint32_t> entry_type_spec_flags_;
};
} // namespace aapt
namespace android {
// Iterator functionality for ResTable_map_entry.
inline const ResTable_map* begin(const ResTable_map_entry* map) {
return (const ResTable_map*)((const uint8_t*)map + ::aapt::util::DeviceToHost32(map->size));
}
inline const ResTable_map* end(const ResTable_map_entry* map) {
return begin(map) + aapt::util::DeviceToHost32(map->count);
}
} // namespace android
#endif // AAPT_FORMAT_BINARY_RESOURCEPARSER_H
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