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// file : xsde/cxx/buffer.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef XSDE_CXX_BUFFER_HXX
#define XSDE_CXX_BUFFER_HXX
#include <stddef.h> // size_t
#include <xsde/cxx/config.hxx>
namespace xsde
{
namespace cxx
{
// Binary buffer. Used for the base64Binary and hexBinary types.
//
class buffer
{
public:
#ifdef XSDE_EXCEPTIONS
class bounds {}; // Out of bounds exception.
#else
enum error
{
error_none,
error_bounds,
error_no_memory
};
#endif
public:
~buffer ();
buffer ();
#ifdef XSDE_EXCEPTIONS
explicit
buffer (size_t size);
buffer (size_t size, size_t capacity);
buffer (const void* data, size_t size);
buffer (const void* data, size_t size, size_t capacity);
enum ownership_value { assume_ownership };
// This constructor assumes ownership of the memory passed.
//
buffer (void* data, size_t size, size_t capacity, ownership_value);
#endif
private:
buffer (const buffer&);
buffer&
operator= (const buffer&);
public:
#ifndef XSDE_EXCEPTIONS
error
#else
void
#endif
assign (void* data, size_t size);
#ifndef XSDE_EXCEPTIONS
error
#else
void
#endif
attach (void* data, size_t size, size_t capacity);
void*
detach ();
void
swap (buffer&);
buffer*
_clone () const;
#ifndef XSDE_EXCEPTIONS
bool
#else
void
#endif
_copy (buffer&) const;
public:
size_t
capacity () const;
// Returns true if the underlying buffer has moved.
//
#ifdef XSDE_EXCEPTIONS
bool
capacity (size_t);
#else
error
capacity (size_t);
error
capacity (size_t, bool& moved);
#endif
public:
size_t
size () const;
// Returns true if the underlying buffer has moved.
//
#ifdef XSDE_EXCEPTIONS
bool
size (size_t);
#else
error
size (size_t);
error
size (size_t, bool& moved);
#endif
public:
const char*
data () const;
char*
data ();
const char*
begin () const;
char*
begin ();
const char*
end () const;
char*
end ();
private:
#ifdef XSDE_EXCEPTIONS
bool
capacity (size_t capacity, bool copy);
#else
error
capacity (size_t capacity, bool copy, bool* moved);
#endif
private:
char* data_;
size_t size_;
size_t capacity_;
};
bool
operator== (const buffer&, const buffer&);
bool
operator!= (const buffer&, const buffer&);
}
}
#include <xsde/cxx/buffer.ixx>
#endif // XSDE_CXX_BUFFER_HXX
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