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Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

285 lines
6.8 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2023
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include "WString.h"
#include "Utils.h"
#include "../../DesktopEditor/common/StringExt.h"
#include "../../DesktopEditor/common/Types.h"
#define MAX_STRING_LEN 2147483648
namespace XPS
{
class CWStringBuffer
{
public:
CWStringBuffer(const wchar_t* wsString, unsigned int unLen)
{
if (unLen)
{
m_pBuffer = new wchar_t[unLen + 1];
m_pBuffer[unLen] = 0x00;
memcpy(m_pBuffer, wsString, sizeof(wchar_t) * unLen);
}
else
{
m_pBuffer = NULL;
}
m_nRefCount = 1;
}
void AddRef()
{
m_nRefCount++;
}
int Release()
{
return --m_nRefCount;
}
void Free()
{
RELEASEARRAYOBJECTS(m_pBuffer);
}
wchar_t operator[](const unsigned int& unIndex) const
{
return m_pBuffer[unIndex];
}
private:
wchar_t* m_pBuffer;
int m_nRefCount;
friend class CWString;
};
CWString::CWString()
{
m_bOwnBuffer = false;
m_pBuffer = NULL;
m_unLen = 0;
}
CWString::CWString(const wchar_t* wsString)
{
m_bOwnBuffer = false;
m_pBuffer = NULL;
m_unLen = 0;
create(wsString, false);
}
CWString::CWString(const std::wstring& wsString)
{
m_bOwnBuffer = false;
m_pBuffer = NULL;
m_unLen = 0;
create(wsString, true);
}
CWString::CWString(wchar_t* wsString, bool bCopy, int nLen)
{
m_bOwnBuffer = false;
m_pBuffer = NULL;
m_unLen = 0;
create(wsString, bCopy, nLen);
}
CWString::CWString(const CWString& wsString)
{
m_unLen = wsString.m_unLen;
m_bOwnBuffer = wsString.m_bOwnBuffer;
m_pBuffer = wsString.m_pBuffer;
if (m_bOwnBuffer && m_pBuffer)
((CWStringBuffer*)m_pBuffer)->AddRef();
}
CWString::~CWString()
{
clear();
}
void CWString::create(const wchar_t* wsString, bool bCopy, int nLen)
{
clear();
unsigned int unLen = -1 == nLen ? std::min((unsigned int)wcslen(wsString), (unsigned int)MAX_STRING_LEN) : (unsigned int)nLen;
m_unLen = unLen;
if (bCopy)
{
if (unLen)
{
m_pBuffer = (void*)(new CWStringBuffer(wsString, m_unLen));
m_bOwnBuffer = true;
}
}
else
{
m_pBuffer = (void*)wsString;
m_bOwnBuffer = false;
}
}
void CWString::create(const std::wstring& sString, bool bCopy)
{
// unused bCopy
create(sString.c_str(), true, (int)sString.length());
}
void CWString::clear()
{
if (m_bOwnBuffer)
{
CWStringBuffer* pWStringBuffer = (CWStringBuffer*)m_pBuffer;
if (pWStringBuffer && !pWStringBuffer->Release())
delete pWStringBuffer;
}
m_bOwnBuffer = false;
m_pBuffer = NULL;
m_unLen = 0;
}
void CWString::operator=(const wchar_t* wsString)
{
clear();
create(wsString, false);
}
void CWString::operator=(const CWString& wsString)
{
clear();
m_unLen = wsString.m_unLen;
m_bOwnBuffer = wsString.m_bOwnBuffer;
m_pBuffer = wsString.m_pBuffer;
if (m_bOwnBuffer && m_pBuffer)
((CWStringBuffer*)m_pBuffer)->AddRef();
}
const wchar_t* CWString::c_str() const
{
if (m_bOwnBuffer)
{
CWStringBuffer* pWStringBuffer = (CWStringBuffer*)m_pBuffer;
if (pWStringBuffer)
return pWStringBuffer->m_pBuffer;
return NULL;
}
return (const wchar_t*)m_pBuffer;
}
const std::wstring CWString::c_stdstr() const
{
const wchar_t* pData = c_str();
if (NULL == pData)
return L"";
return std::wstring(pData);
}
bool CWString::operator<(const CWString& wsString) const
{
const wchar_t* wsLeft = this->c_str();
const wchar_t* wsRight = wsString.c_str();
unsigned int unLen = std::min(m_unLen, wsString.m_unLen);
for (unsigned int unPos = 0; unPos < unLen; unPos++)
{
if (wsLeft[unPos] < wsRight[unPos])
return true;
else if (wsLeft[unPos] > wsRight[unPos])
return false;
}
return (m_unLen > wsString.m_unLen);
}
bool CWString::operator>(const CWString& wsString) const
{
return !operator<(wsString);
}
bool CWString::operator==(const CWString& wsString) const
{
const wchar_t* wsLeft = this->c_str();
const wchar_t* wsRight = wsString.c_str();
if (m_unLen != wsString.m_unLen)
return false;
for (unsigned int unPos = 0; unPos < m_unLen; unPos++)
{
if (wsLeft[unPos] != wsRight[unPos])
return false;
}
return true;
}
bool CWString::operator==(const wchar_t* wsString) const
{
const wchar_t* wsLeft = this->c_str();
unsigned unLen = std::min((unsigned int)wcslen(wsString), (unsigned int)MAX_STRING_LEN);
if (m_unLen != unLen)
return false;
for (unsigned int unPos = 0; unPos < m_unLen; unPos++)
{
if (wsLeft[unPos] != wsString[unPos])
return false;
}
return true;
}
unsigned int CWString::size() const
{
return m_unLen;
}
wchar_t CWString::operator[](const unsigned int& unIndex) const
{
return this->c_str()[unIndex];
}
bool CWString::empty() const
{
return 0 == m_unLen;
}
int CWString::tointeger() const
{
return std::stoi(c_str());
}
std::vector<CWString> CWString::split(wchar_t wChar, bool bCopy)
{
std::vector<CWString> vResult;
int nPos = 0;
int nLen = size();
int nCharPos = nPos;
while (nPos < nLen)
{
int nCharPos = nPos;
while (nCharPos < nLen && operator[](nCharPos) != wChar)
nCharPos++;
CWString wsElement;
wsElement.create(this->c_str() + nPos, bCopy, nCharPos - nPos);
vResult.push_back(wsElement);
nPos = nCharPos + 1;
}
return vResult;
}
}