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/* Copyright 2017 R. Thomas
* Copyright 2017 Quarkslab
*
* 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 LIEF_OSTREAM_H_
#define LIEF_OSTREAM_H_
#include <istream>
#include <streambuf>
#include <cstdint>
#include <vector>
namespace LIEF {
class vector_iostream {
public:
using pos_type = std::streampos;
using off_type = std::streamoff;
vector_iostream(void);
void reserve(size_t size);
vector_iostream& put(uint8_t c);
vector_iostream& write(const uint8_t* s, std::streamsize n);
vector_iostream& write(const std::vector<uint8_t>& s);
vector_iostream& write(std::vector<uint8_t>&& s);
vector_iostream& get(std::vector<uint8_t>& c);
vector_iostream& flush();
// seeks:
pos_type tellp(void);
vector_iostream& seekp(pos_type p);
vector_iostream& seekp(vector_iostream::off_type p, std::ios_base::seekdir dir);
const std::vector<uint8_t>& raw(void) const;
private:
pos_type current_pos_;
std::vector<uint8_t> raw_;
};
// From https://stackoverflow.com/questions/27336335/c-cout-with-prefix
class prefixbuf : public std::streambuf {
public:
prefixbuf(std::string const& prefix, std::streambuf* sbuf);
private:
std::string prefix;
std::streambuf* sbuf;
bool need_prefix;
int sync(void);
int overflow(int c);
};
class oprefixstream : private virtual prefixbuf, public std::ostream {
public:
oprefixstream(std::string const& prefix, std::ostream& out);
};
}
#endif
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