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      1 /*
      2  * Copyright (C) 2018 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 #ifndef AAPT2_CONVERT_H
     18 #define AAPT2_CONVERT_H
     19 
     20 #include "Command.h"
     21 #include "LoadedApk.h"
     22 #include "format/binary/TableFlattener.h"
     23 #include "format/binary/XmlFlattener.h"
     24 
     25 namespace aapt {
     26 
     27 class ConvertCommand : public Command {
     28  public:
     29   explicit ConvertCommand() : Command("convert") {
     30     SetDescription("Converts an apk between binary and proto formats.");
     31     AddRequiredFlag("-o", "Output path", &output_path_, Command::kPath);
     32     AddOptionalFlag("--output-format", android::base::StringPrintf("Format of the output. "
     33             "Accepted values are '%s' and '%s'. When not set, defaults to '%s'.",
     34         kOutputFormatProto, kOutputFormatBinary, kOutputFormatBinary), &output_format_);
     35     AddOptionalSwitch("--enable-sparse-encoding",
     36         "Enables encoding sparse entries using a binary search tree.\n"
     37         "This decreases APK size at the cost of resource retrieval performance.",
     38          &table_flattener_options_.use_sparse_entries);
     39     AddOptionalSwitch("--keep-raw-values",
     40         android::base::StringPrintf("Preserve raw attribute values in xml files when using the"
     41             " '%s' output format", kOutputFormatBinary),
     42         &xml_flattener_options_.keep_raw_values);
     43     AddOptionalSwitch("-v", "Enables verbose logging", &verbose_);
     44   }
     45 
     46   int Action(const std::vector<std::string>& args) override;
     47 
     48  private:
     49   const static char* kOutputFormatProto;
     50   const static char* kOutputFormatBinary;
     51 
     52   TableFlattenerOptions table_flattener_options_;
     53   XmlFlattenerOptions xml_flattener_options_;
     54   std::string output_path_;
     55   Maybe<std::string> output_format_;
     56   bool verbose_ = false;
     57 };
     58 
     59 int Convert(IAaptContext* context, LoadedApk* input, IArchiveWriter* output_writer,
     60             ApkFormat output_format,TableFlattenerOptions table_flattener_options,
     61             XmlFlattenerOptions xml_flattener_options);
     62 
     63 }  // namespace aapt
     64 
     65 #endif //AAPT2_CONVERT_H
     66