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/*
* Copyright (C) 2017 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_IO_UTIL_H
#define AAPT_IO_UTIL_H
#include <string>
#include "google/protobuf/message_lite.h"
#include "format/Archive.h"
#include "io/File.h"
#include "io/Io.h"
#include "process/IResourceTableConsumer.h"
namespace aapt {
namespace io {
bool CopyInputStreamToArchive(IAaptContext* context, InputStream* in, const std::string& out_path,
uint32_t compression_flags, IArchiveWriter* writer);
bool CopyFileToArchive(IAaptContext* context, IFile* file, const std::string& out_path,
uint32_t compression_flags, IArchiveWriter* writer);
bool CopyFileToArchivePreserveCompression(IAaptContext* context, IFile* file,
const std::string& out_path, IArchiveWriter* writer);
bool CopyProtoToArchive(IAaptContext* context, ::google::protobuf::MessageLite* proto_msg,
const std::string& out_path, uint32_t compression_flags,
IArchiveWriter* writer);
// Copies the data from in to out. Returns false if there was an error.
// If there was an error, check the individual streams' HadError/GetError methods.
bool Copy(OutputStream* out, InputStream* in);
bool Copy(OutputStream* out, const ::android::StringPiece& in);
bool Copy(::google::protobuf::io::ZeroCopyOutputStream* out, InputStream* in);
class OutputStreamAdaptor : public io::OutputStream {
public:
explicit OutputStreamAdaptor(::google::protobuf::io::ZeroCopyOutputStream* out) : out_(out) {
}
bool Next(void** data, size_t* size) override {
int out_size;
bool result = out_->Next(data, &out_size);
*size = static_cast<size_t>(out_size);
if (!result) {
error_ocurred_ = true;
}
return result;
}
void BackUp(size_t count) override {
out_->BackUp(static_cast<int>(count));
}
size_t ByteCount() const override {
return static_cast<size_t>(out_->ByteCount());
}
bool HadError() const override {
return error_ocurred_;
}
private:
DISALLOW_COPY_AND_ASSIGN(OutputStreamAdaptor);
::google::protobuf::io::ZeroCopyOutputStream* out_;
bool error_ocurred_ = false;
};
class ZeroCopyInputAdaptor : public ::google::protobuf::io::ZeroCopyInputStream {
public:
explicit ZeroCopyInputAdaptor(io::InputStream* in) : in_(in) {
}
bool Next(const void** data, int* size) override {
size_t out_size;
bool result = in_->Next(data, &out_size);
*size = static_cast<int>(out_size);
return result;
}
void BackUp(int count) override {
in_->BackUp(static_cast<size_t>(count));
}
bool Skip(int count) override {
const void* data;
int size;
while (Next(&data, &size)) {
if (size > count) {
BackUp(size - count);
return true;
} else {
count -= size;
}
}
return false;
}
::google::protobuf::int64 ByteCount() const override {
return static_cast<::google::protobuf::int64>(in_->ByteCount());
}
private:
DISALLOW_COPY_AND_ASSIGN(ZeroCopyInputAdaptor);
io::InputStream* in_;
};
} // namespace io
} // namespace aapt
#endif /* AAPT_IO_UTIL_H */
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