remode stack_oss

include/c11log/details/stack_buf.h

@@ -1,110 +0,0 @@
-#pragma once
-
-#include <array>
-#include <vector>
-#include <algorithm>
-#include <cstring>
-
-// Fast memory storage
-// stores its contents on the stack when possible, in vector<char> otherwise
-// NOTE: User should be remember that returned buffer might be on the stack!!
-namespace c11log
-{
-namespace details
-{
-
-template<std::size_t STACK_SIZE=128>
-class stack_buf
-{
-public:
-    stack_buf():_v(),_stack_buf(), _stack_size(0) {}
-    ~stack_buf() {};
-
-	stack_buf& operator=(const stack_buf other) = delete;
-    stack_buf& operator=(stack_buf&& other) = delete;
-
-    stack_buf(const bufpair_t& buf_to_copy):stack_buf()
-    {
-        append(buf_to_copy);
-    }
-
-    stack_buf(const stack_buf& other)
-    {
-        _stack_size = other._stack_size;
-        if(!other._v.empty())
-            _v = other._v;
-        else if(_stack_size)
-            std::copy(other._stack_buf.begin(), other._stack_buf.begin()+_stack_size, _stack_buf.begin());
-    }
-
-    stack_buf(stack_buf&& other)
-    {	
-        _stack_size = other._stack_size;
-        if(!other._v.empty())
-            _v = std::move(other._v);
-        else if(_stack_size)
-            std::copy(other._stack_buf.begin(), other._stack_buf.begin()+_stack_size, _stack_buf.begin());
-		other.clear();
-    }
-    
-    void append(const char* buf, std::size_t buf_size)
-    {
-        //If we are aleady using _v, forget about the stack
-        if(!_v.empty())
-        {
-            _v.insert(_v.end(), buf, buf+ buf_size);
-        }
-        //Try use the stack
-        else
-        {
-            if(_stack_size+buf_size <= STACK_SIZE)
-            {
-                std::memcpy(&_stack_buf[_stack_size], buf, buf_size);
-                _stack_size+=buf_size;
-            }
-            //Not enough stack space. Copy all to _v
-            else
-            {
-                _v.reserve(_stack_size+buf_size);
-                if(_stack_size)
-                    _v.insert(_v.end(), _stack_buf.begin(), _stack_buf.begin() +_stack_size);
-                _v.insert(_v.end(), buf, buf+buf_size);
-            }
-        }
-    }
-
-    void append(const bufpair_t &buf)
-    {
-        append(buf.first, buf.second);
-    }
-
-    void clear()
-    {
-        _stack_size = 0;
-        _v.clear();
-    }
-
-    bufpair_t get() const
-    {
-        if(!_v.empty())
-            return bufpair_t(_v.data(), _v.size());
-        else
-            return bufpair_t(_stack_buf.data(), _stack_size);
-    }
-
-    std::size_t size() const
-    {
-        if(!_v.empty())
-            return _v.size();
-        else
-            return _stack_size;
-    }
-
-private:
-    std::vector<char> _v;
-    std::array<char, STACK_SIZE> _stack_buf;
-    std::size_t _stack_size;
-};
-
-}
-} //namespace c11log { namespace details {