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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <cstring>
#include <cstdint>
namespace vespamalloc {
class asciistream
{
public:
asciistream();
~asciistream();
asciistream(asciistream && rhs) noexcept;
asciistream & operator = (asciistream && ) noexcept;
asciistream(const asciistream & rhs);
asciistream & operator = (const asciistream & rhs);
void swap(asciistream & rhs);
asciistream & operator << (char v) { write(&v, 1); return *this; }
asciistream & operator << (unsigned char v) { write(&v, 1); return *this; }
asciistream & operator << (const char * v) { if (v != nullptr) { write(v, strlen(v)); } return *this; }
asciistream & operator << (int32_t v);
asciistream & operator << (uint32_t v);
asciistream & operator << (int64_t v);
asciistream & operator << (uint64_t v);
asciistream & operator << (float v);
asciistream & operator << (double v);
const char * c_str() const { return _buffer + _rPos; }
size_t size() const { return _wPos - _rPos; }
size_t capacity() const { return _sz; }
private:
void write(const void * buf, size_t len);
size_t read(void * buf, size_t len);
size_t _rPos;
size_t _wPos;
char * _buffer;
size_t _sz;
};
class string : public asciistream
{
public:
string(const char * v = nullptr) : asciistream() { *this << v; }
string & operator += (const char * v) { *this << v; return *this; }
string & operator += (const asciistream & v) { *this << v.c_str(); return *this; }
};
}
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