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Benjamin Palko 2026-10-14 15:54:34 -04:00
parent f836927d3a
commit b154ee9266
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137
third-party/BugTrap-1.3-57bd515/source/StrHolder.cpp vendored Normal file
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/*
* This is a part of the BugTrap package.
* Copyright (c) 2005-2009 IntelleSoft.
* All rights reserved.
*
* Description: Dynamic string holder.
* Author: Maksim Pyatkovskiy.
*
* This source code is only intended as a supplement to the
* BugTrap package reference and related electronic documentation
* provided with the product. See these sources for detailed
* information regarding the BugTrap package.
*/
#include "StdAfx.h"
#include "StrStream.h"
#include "StrHolder.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
/// Empty string data.
CStrHolder::CStringData CStrHolder::m_sdEmptyData = { 0, 0, _T("") };
void CStrHolder::Release(void)
{
if (m_pData != &m_sdEmptyData)
{
if (m_pData->m_nUsageCount == 1)
delete[] (PBYTE)m_pData;
else
--m_pData->m_nUsageCount;
}
}
/**
* @param pszStrData - another string data.
*/
void CStrHolder::InitData(PCSTR pszStrData)
{
if (pszStrData && *pszStrData)
{
#ifdef _UNICODE
int nSize = MultiByteToWideChar(CP_ACP, 0, pszStrData, -1, NULL, 0);
m_pData = (CStringData*)new BYTE[sizeof(CStringData) + sizeof(WCHAR) * nSize];
if (! m_pData)
RaiseException(STATUS_NO_MEMORY, 0, 0, NULL);
MultiByteToWideChar(CP_ACP, 0, pszStrData, -1, m_pData->m_szData, nSize);
m_pData->m_nLength = nSize - 1;
m_pData->m_nUsageCount = 1;
#else
size_t nLength = strlen(pszStrData);
size_t nSize = nLength + 1;
m_pData = (CStringData*)new BYTE[sizeof(CStringData) + sizeof(CHAR) * nSize];
if (! m_pData)
RaiseException(STATUS_NO_MEMORY, 0, 0, NULL);
strcpy_s(m_pData->m_szData, nSize, pszStrData);
m_pData->m_nLength = nLength;
m_pData->m_nUsageCount = 1;
#endif
}
else
m_pData = &m_sdEmptyData;
}
/**
* @param pszStrData - another string data.
*/
void CStrHolder::InitData(PCWSTR pszStrData)
{
if (pszStrData && *pszStrData)
{
#ifdef _UNICODE
size_t nLength = wcslen(pszStrData);
size_t nSize = nLength + 1;
m_pData = (CStringData*)new BYTE[sizeof(CStringData) + sizeof(WCHAR) * nSize];
if (! m_pData)
RaiseException(STATUS_NO_MEMORY, 0, 0, NULL);
wcscpy_s(m_pData->m_szData, nSize, pszStrData);
m_pData->m_nLength = nLength;
m_pData->m_nUsageCount = 1;
#else
size_t nSize = WideCharToMultiByte(CP_ACP, 0, pszStrData, -1, NULL, 0, NULL, NULL);
m_pData = (CStringData*)new BYTE[sizeof(CStringData) + sizeof(CHAR) * nSize];
if (! m_pData)
RaiseException(STATUS_NO_MEMORY, 0, 0, NULL);
WideCharToMultiByte(CP_ACP, 0, pszStrData, -1, m_pData->m_szData, (int)nSize, NULL, NULL);
m_pData->m_nLength = nSize - 1;
m_pData->m_nUsageCount = 1;
#endif
}
else
m_pData = &m_sdEmptyData;
}
/**
* @param rStrHolder - another string object.
*/
void CStrHolder::InitData(const CStrHolder& rStrHolder)
{
m_pData = rStrHolder.m_pData;
if (m_pData != &m_sdEmptyData)
++m_pData->m_nUsageCount;
}
/**
* @param rStrStream - another string object.
*/
void CStrHolder::InitData(const CStrStream& rStrStream)
{
if (! rStrStream.IsEmpty())
{
size_t nLength = rStrStream.GetLength();
size_t nSize = nLength + 1;
m_pData = (CStringData*)new BYTE[sizeof(CStringData) + sizeof(WCHAR) * nSize];
if (! m_pData)
RaiseException(STATUS_NO_MEMORY, 0, 0, NULL);
_tcscpy_s(m_pData->m_szData, nSize, (PCTSTR)rStrStream);
m_pData->m_nLength = nLength;
m_pData->m_nUsageCount = 1;
}
else
m_pData = &m_sdEmptyData;
}
/**
* @param rStrHolder - another string object.
*/
void CStrHolder::CopyData(const CStrHolder& rStrHolder)
{
if (this != &rStrHolder)
{
Release();
InitData(rStrHolder);
}
}