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Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

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This commit is contained in:
Colin Finck 2017-10-03 07:45:34 +00:00
parent b94e2d8ca0
commit c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
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92
modules/rosapps/applications/sysutils/regexpl/TextHistory.cpp Normal file
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/*
* regexpl - Console Registry Explorer
*
* Copyright (C) 2000-2005 Nedko Arnaudov <nedko@users.sourceforge.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 option) 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
// TextHistory.cpp: implementation of the CTextHistory class.
//
//////////////////////////////////////////////////////////////////////
#include "ph.h"
#include "TextHistory.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CTextHistory::CTextHistory()
{
m_pHistoryBuffer = NULL;
m_dwMaxHistoryLines = 0;
}
CTextHistory::~CTextHistory()
{
if (m_pHistoryBuffer) delete[] m_pHistoryBuffer;
}
BOOL CTextHistory::Init(DWORD dwMaxHistoryLineSize, DWORD dwMaxHistoryLines)
{
if (!dwMaxHistoryLines)
{
ASSERT(FALSE);
return FALSE;
}
if (m_pHistoryBuffer) delete[] m_pHistoryBuffer;
m_dwFirstHistoryIndex = 0;
m_dwLastHistoryIndex = 0;
m_dwHisoryFull = 0;
m_dwMaxHistoryLines = dwMaxHistoryLines;
m_dwMaxHistoryLineSize = dwMaxHistoryLineSize;
m_pHistoryBuffer = new (std::nothrow) TCHAR [m_dwMaxHistoryLines*dwMaxHistoryLineSize];
if (!m_pHistoryBuffer) return FALSE;
return TRUE;
}
void CTextHistory::AddHistoryLine(const TCHAR *pchLine)
{
if (!m_pHistoryBuffer) return;
if (_tcslen(pchLine) == 0) return;
if (_tcslen(pchLine) >= m_dwMaxHistoryLineSize)
{
ASSERT(FALSE);
return;
}
if (m_dwHisoryFull == m_dwMaxHistoryLines) // if buffer is full, replace last
{
ASSERT(m_dwFirstHistoryIndex == m_dwLastHistoryIndex);
m_dwLastHistoryIndex = (m_dwLastHistoryIndex+1)%m_dwMaxHistoryLines;
}
ASSERT(m_dwFirstHistoryIndex < m_dwMaxHistoryLines);
_tcscpy(m_pHistoryBuffer+m_dwFirstHistoryIndex*m_dwMaxHistoryLineSize,pchLine);
m_dwFirstHistoryIndex = (m_dwFirstHistoryIndex+1)%m_dwMaxHistoryLines;
ASSERT(m_dwHisoryFull <= m_dwMaxHistoryLines);
if (m_dwHisoryFull < m_dwMaxHistoryLines) m_dwHisoryFull++;
}
const TCHAR * CTextHistory::GetHistoryLine(DWORD dwIndex)
{
if (!m_pHistoryBuffer) return NULL;
ASSERT(m_dwHisoryFull <= m_dwMaxHistoryLines);
if (dwIndex >= m_dwHisoryFull) return NULL;
dwIndex = m_dwHisoryFull - dwIndex - 1;
dwIndex = (dwIndex+m_dwLastHistoryIndex) % m_dwMaxHistoryLines;
ASSERT(dwIndex < m_dwMaxHistoryLines);
return m_pHistoryBuffer+dwIndex*m_dwMaxHistoryLineSize;
}