[Mod-c-cvs] ehtml/include MemBuf.h,NONE,1.1

[Gonzalo A. <ga...@us...>]

Update of /cvsroot/mod-c/ehtml/include
In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv12336/include

Added Files:
	MemBuf.h 
Log Message:
A convenience Memory Buffer class.


--- NEW FILE: MemBuf.h ---

#ifndef __MEMBUF_H_
#define __MEMBUF_H_

#include <assert.h>
#include <stddef.h>
#include <stdlib.h>
#include <string>

//TODO: document

class MemBuf {
	class Buf {
		void* _buf;
		size_t _size;
		size_t _refcnt;
		Buf(): _buf(NULL), _size(0), _refcnt(0) { ; }
		Buf(void* p, size_t s);
		~Buf();
		friend class MemBuf;
	};

	Buf* _b;
public:

	MemBuf(): _b(NULL) { ; }
	MemBuf(void* p, size_t l): _b(new Buf(p,l)) { ; }
	MemBuf(size_t l): _b(new Buf(malloc(l),l)) { ; }
	MemBuf(const MemBuf& mb): _b(mb._b) { _b->_refcnt++; }
	~MemBuf();

	static MemBuf Dup(const void* p, size_t l);

	void* Buffer() { return _b->_buf; }
	const void* Buffer() const { return _b->_buf; }
	size_t Size() const { return _b->_size; }

	char& operator[](int x) { return ((char*)_b->_buf)[x]; }
	char* Char() { return (char*)_b->_buf; }
	const char* Char() const { return (const char*)_b->_buf; }
	std::string AsString() throw (const char*);

	void resize(size_t s);
};

#endif