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kvirc/src/kvilib/core/kvi_stringarray.cpp

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//=================================================================================================
//
// File : kvi_stringarray.cpp
// Creation date : Tue Jun 6 02:20:20 by Szymon Stefanek
//
// This file is part of the KVirc irc client distribution
// Copyright (C) 2002 Szymon Stefanek (pragma at kvirc dot net)
//
// 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 (at your opinion) 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. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=================================================================================================
#define __KVILIB__
#include "kvi_stringarray.h"
#include "kvi_malloc.h"
KviStringArray::KviStringArray()
{
m_uSize = 0;
m_pData = 0;
m_uHighestIdx = 0;
}
KviStringArray::~KviStringArray()
{
if(m_pData)clear();
}
void KviStringArray::clear()
{
if(!m_pData)return;
for(unsigned int i=0;i<m_uSize;i++)
{
if(m_pData[i])delete m_pData[i];
}
kvi_free(m_pData);
m_pData = 0;
m_uHighestIdx = 0;
m_uSize = 0;
}
void KviStringArray::insert(unsigned int uIdx,KviStr * pVal)
{
if(m_uSize <= uIdx)
{
unsigned int uOldSize = m_uSize;
m_uSize = uIdx + KVI_STRING_ARRAY_FREESPACE_SIZE;
m_pData = (KviStr **)kvi_realloc(m_pData,m_uSize * sizeof(KviStr *));
for(unsigned int u = uOldSize;u < m_uSize;u++)
{
m_pData[u] = 0;
}
} else {
if(m_pData[uIdx])delete m_pData[uIdx];
}
if(uIdx > m_uHighestIdx)m_uHighestIdx = uIdx;
m_pData[uIdx] = pVal;
}
void KviStringArray::remove(unsigned int uIdx)
{
if(uIdx > m_uHighestIdx)return;
if(m_pData[uIdx])
{
delete m_pData[uIdx];
m_pData[uIdx] = 0;
if(uIdx == m_uHighestIdx)
{
// shrink the array
if(m_uHighestIdx == 0)clear();
else {
unsigned int u = m_uHighestIdx - 1;
while(!m_pData[u])u--;
if((m_uHighestIdx - u) > KVI_STRING_ARRAY_FREESPACE_SIZE)shrink(u);
else m_uHighestIdx = u; // just set the max index
}
}
}
}
void KviStringArray::shrink(unsigned int uMaxItem)
{
m_uHighestIdx = uMaxItem;
m_uSize = uMaxItem + 1;
m_pData = (KviStr **)kvi_realloc(m_pData,sizeof(KviStr *) * m_uSize);
}
void KviStringArray::copyFrom(KviStringArray * a)
{
clear();
m_uSize = a->m_uSize;
m_uHighestIdx = a->m_uHighestIdx;
if(m_uSize > 0)
{
m_pData = (KviStr **)kvi_malloc(sizeof(KviStr *) * m_uSize);
for(unsigned int i=0;i<m_uSize;i++)
{
if(a->m_pData[i])m_pData[i] = new KviStr(*(a->m_pData[i]));
else m_pData[i] = 0;
}
} else {
m_pData = 0;
}
}