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/*
* Copyright (C) 2007-2019 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_BLOB_H
#define BU_BLOB_H
#include <stdint.h>
namespace Bu
{
/**
* Blob contans a sequence of binary values. This is basically the
* replacement for the old libbu++ Bu::String, std::string classes, or the
* tradition C char * string. The Blob is static and immutable, and a good
* choice when dealing with any sequence of binary data that you don't
* need to interpret further.
*
* If you're dealing with data that contains language, such as human text,
* then use the Bu::Text class instead.
*/
class Blob
{
public:
Blob();
Blob( const Blob &rSrc );
Blob( const char *pSrc );
Blob( const void *pSrc, int32_t iSize );
virtual ~Blob();
int32_t getSize() const;
char *getData() const;
char *c_str() const;
char &operator[]( int32_t iIndex );
char operator[]( int32_t iIndex ) const;
bool isEmpty() const;
bool isNull() const;
bool isNullOrEmpty() const;
Blob &operator=( const Blob &rRhs );
Blob &operator=( const char *pRhs );
bool operator==( const Blob &rRhs ) const;
bool operator==( const char *rRhs ) const;
bool operator!=( const Blob &rRhs ) const;
bool operator!=( const char *rRhs ) const;
bool operator<( const Blob &rRhs ) const;
bool operator<( const char *rRhs ) const;
bool operator<=( const Blob &rRhs ) const;
bool operator<=( const char *rRhs ) const;
bool operator>( const Blob &rRhs ) const;
bool operator>( const char *rRhs ) const;
bool operator>=( const Blob &rRhs ) const;
bool operator>=( const char *rRhs ) const;
class const_iterator;
class iterator
{
friend class Blob;
friend class const_iterator;
private:
iterator( Blob *pBlob, bool bForward );
public:
iterator();
iterator( const iterator &rSrc );
bool isValid() const;
operator bool() const;
char &operator *();
iterator &operator++( int );
iterator &operator++();
iterator &operator--( int );
iterator &operator--();
bool operator==( const iterator &rRhs );
bool operator==( const const_iterator &rRhs );
bool operator!=( const iterator &rRhs );
bool operator!=( const const_iterator &rRhs );
iterator &operator=( iterator &rRhs );
private:
Blob *pBlob;
int32_t iIndex;
bool bForward;
};
class const_iterator
{
friend class Blob;
friend class iterator;
private:
const_iterator( const Blob *pBlob, bool bForward );
public:
const_iterator();
const_iterator( const const_iterator &rSrc );
const_iterator( const iterator &rSrc );
bool isValid() const;
operator bool() const;
char operator *() const;
const_iterator &operator++( int );
const_iterator &operator++();
const_iterator &operator--( int );
const_iterator &operator--();
bool operator==( const iterator &rRhs );
bool operator==( const const_iterator &rRhs );
bool operator!=( const iterator &rRhs );
bool operator!=( const const_iterator &rRhs );
const_iterator &operator=( iterator &rRhs );
const_iterator &operator=( const_iterator &rRhs );
private:
const Blob *pBlob;
int32_t iIndex;
bool bForward;
};
iterator begin();
const_iterator begin() const;
iterator end();
const_iterator end() const;
iterator rbegin();
const_iterator rbegin() const;
iterator rend();
const_iterator rend() const;
private:
char *pData;
int32_t iSize;
};
template<typename T>
uint32_t __calcHashCode( const T &k );
template<typename T>
bool __cmpHashKeys( const T &a, const T &b );
template<> uint32_t __calcHashCode<Blob>( const Blob &k );
template<> bool __cmpHashKeys<Blob>(
const Blob &a, const Blob &b );
template<typename t> void __tracer_format( const t &v );
template<> void __tracer_format<Blob>( const Blob &v );
class Formatter;
Formatter &operator<<( Formatter &rOut, const Blob &b );
}
#endif
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