Base16StringStream.h

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#pragma once
 
#include <streambuf>
#include <ostream>
#include <istream>
#include <memory>
#include <vapor/common.h>
 
 
 
class COMMON_API Base16StreamBuf : public std::streambuf {
public:
    std::string      _string;
    int              _i = 0;
    virtual int_type overflow(int_type c) override;
};
 
 
 
class COMMON_API Base16StringStream : public std::ostream {
    Base16StreamBuf _buf;
 
public:
    Base16StringStream() : std::ostream(&_buf) {}
    const std::string &ToString() { return _buf._string; }
};
 
 
 
 
class COMMON_API Base16DecoderStream : public std::istream {
    struct MemBuf : std::streambuf {
        MemBuf(char *buf, size_t size) { this->setg(buf, buf, buf + size); }
    };
 
    static void Base16Decode(const std::string &in, char *out);
 
    std::unique_ptr<char> _data;
    MemBuf                _buf;
 
public:
    Base16DecoderStream(const std::string &s);
};