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/**
* @file thbuffer.cxx
* String buffer class.
*/
/* Copyright (C) 2000 Stacho Mudrak
*
* $Date: $
* $RCSfile: $
* $Revision: $
*
* --------------------------------------------------------------------
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* --------------------------------------------------------------------
*/
#include "thbuffer.h"
thbuffer::thbuffer()
{
this->size = 16;
this->buff = new char [this->size];
this->buff[0] = 0;
}
thbuffer::~thbuffer()
{
if (this->buff)
delete [] this->buff;
}
void thbuffer::enlarge(size_t min_size)
{
char * new_buff;
size_t new_size = 4 * this->size;
while(new_size <= min_size)
new_size *= 4;
new_buff = new char [new_size];
memcpy(new_buff, this->buff, this->size);
delete [] this->buff;
this->buff = new_buff;
this->size = new_size;
}
char * thbuffer::strncpy(const char * src, size_t n)
{
if (n >= this->size)
this->enlarge(n);
::strncpy(this->buff, src, n);
this->buff[n] = 0;
return this->buff;
}
char * thbuffer::strcpy(const char * src)
{
size_t srclen = strlen(src);
if (srclen >= this->size)
this->enlarge(srclen);
return ::strcpy(this->buff, src);
}
char * thbuffer::strcat(const char * src)
{
size_t newlen = strlen(src) + strlen(this->buff);
if (newlen >= this->size)
this->enlarge(newlen);
return ::strcat(this->buff, src);
}
char * thbuffer::strncat(const char * src, size_t n)
{
size_t newlen = n + 1 + strlen(this->buff);
if (newlen >= this->size)
this->enlarge(newlen);
return ::strncat(this->buff, src, n);
}
thbuffer::operator char* ()
{
return this->buff;
}
char * thbuffer::get_buffer()
{
return this->buff;
}
thbuffer & thbuffer::operator=(const char * src)
{
this->strcpy(src);
return *this;
}
thbuffer & thbuffer::operator=(thbuffer const & srcbf)
{
this->strcpy(srcbf.buff);
return *this;
}
thbuffer & thbuffer::operator+=(const char * src)
{
this->strcat(src);
return *this;
}
void thbuffer::guarantee(size_t bs)
{
if (this->size <= bs)
this->enlarge(bs);
}
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