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/*
Miranda Crash Dumper Plugin
Copyright (C) 2008 - 2012 Boris Krasnovskiy All Rights Reserved
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 version 2
of the License.
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, see <http://www.gnu.org/licenses/>.
*/
#include "bkstring.h"
bkstring::~bkstring() { if (sizeAlloced) free(buf); }
void bkstring::reserve(size_type len)
{
if (len >= sizeAlloced || sizeAlloced == 0)
{
if (sizeAlloced == 0) buf = NULL;
buf = (value_type*)realloc(buf, (len+1) * sizeof(value_type));
if (sizeAlloced == 0) buf[0] = 0;
sizeAlloced = len+1;
}
}
void bkstring::appendfmt(const value_type *fmt, ...)
{
areserve(_tcslen(fmt)*2);
va_list vararg;
va_start(vararg, fmt);
for (;;)
{
int len = _vsntprintf(buf + lenBuf, sizeAlloced - lenBuf - 1, fmt, vararg);
if (len < 0)
reserve(sizeAlloced + 256);
else
{
lenBuf += len;
buf[lenBuf] = 0;
break;
}
}
va_end(vararg);
}
bkstring& bkstring::append(const value_type* _Ptr)
{
size_type len = _tcslen(_Ptr);
areserve(len);
memcpy(buf+lenBuf, _Ptr, (len+1)*sizeof(value_type));
lenBuf += len;
return *this;
}
bkstring& bkstring::append(const value_type* _Ptr, size_type _Count)
{
size_type len = min(_tcslen(_Ptr), _Count);
areserve(len);
memcpy(buf+lenBuf, _Ptr, len*sizeof(value_type));
lenBuf += len;
buf[lenBuf] = 0;
return *this;
}
bkstring& bkstring::append(const bkstring& _Str, size_type _Off, size_type _Count)
{
size_type len = min(_Count, _Str.size() - _Off);
areserve(len);
memcpy(buf+lenBuf, _Str.c_str()+_Off, len*sizeof(value_type));
lenBuf += len;
buf[lenBuf] = 0;
return *this;
}
bkstring& bkstring::append(const bkstring& _Str)
{
size_type len = _Str.size();
areserve(len);
memcpy(buf+lenBuf, _Str.c_str(), len*sizeof(value_type));
lenBuf += len;
buf[lenBuf] = 0;
return *this;
}
bkstring& bkstring::append(size_type _Count, value_type _Ch)
{
areserve(_Count);
for(size_type i=0; i<_Count; ++i) buf[lenBuf+i] = _Ch;
lenBuf += _Count;
buf[lenBuf] = 0;
return *this;
}
bkstring& bkstring::assign(const value_type* _Ptr, size_type _Count)
{
reserve(_Count);
memcpy(buf, _Ptr, _Count*sizeof(value_type));
buf[_Count] = 0;
lenBuf = _Count;
return *this;
}
bkstring& bkstring::assign(const bkstring& _Str, size_type _Off, size_type _Count)
{
size_type len = min(_Count, _Str.size() - _Off);
reserve(len);
memcpy(buf, _Str.c_str() + _Off, len*sizeof(value_type));
lenBuf = len;
buf[len] = 0;
return *this;
}
bkstring& bkstring::assign(size_type _Count, value_type _Ch)
{
reserve(_Count);
for(size_type i=0; i<_Count; ++i) buf[i] = _Ch;
buf[_Count] = 0;
lenBuf = _Count;
return *this;
}
bkstring::size_type bkstring::find(value_type _Ch, size_type _Off) const
{
for (size_type i=_Off; i<=lenBuf; ++i)
if (buf[i] == _Ch) return i;
return (size_type)npos;
}
bkstring::size_type bkstring::find(const value_type* _Ptr, size_type _Off) const
{
if (_Off > lenBuf) return (size_type)npos;
value_type* pstr = _tcsstr(buf+_Off, _Ptr);
return pstr ? pstr - buf : npos;
}
bkstring::size_type bkstring::find_last_of(value_type _Ch, size_type _Off) const
{
for (size_type i=(_Off == npos ? lenBuf : _Off); i--;)
if (buf[i] == _Ch) return i;
return (size_type)npos;
}
bkstring& bkstring::insert(size_type _P0, const value_type* _Ptr, size_type _Count)
{
size_type len = _tcslen(_Ptr);
if (_Count < len) len = _Count;
areserve(len);
value_type *p = buf + _P0;
memmove(p+len, p, (lenBuf-_P0+1)*sizeof(value_type));
memcpy(p, _Ptr, _Count*sizeof(value_type));
lenBuf += len;
return *this;
}
bkstring& bkstring::insert(size_type _P0, size_type _Count, value_type _Ch)
{
areserve(_Count);
value_type *p = buf + _P0;
memmove(p+_Count, p, (lenBuf-_P0+1)*sizeof(value_type));
for(size_type i=0; i<_Count; ++i) p[i] = _Ch;
lenBuf += _Count;
return *this;
}
bkstring& bkstring::erase(size_type _Pos, size_type _Count)
{
if (_Pos < lenBuf)
{
const size_type len = min(lenBuf - _Pos, _Count);
value_type *p = buf + _Pos;
lenBuf -= len;
memmove(p, p+len, (lenBuf - _Pos)*sizeof(value_type));
buf[lenBuf] = 0;
}
return *this;
}
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