118 lines
2.5 KiB
C++
118 lines
2.5 KiB
C++
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/*****************************************************************************
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*
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* cookies.cpp - Take care of the status bar.
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*
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*****************************************************************************/
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#include "priv.h"
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#include "cookie.h"
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int CCookieList::_FreeStringEnum(LPVOID pString, LPVOID pData)
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{
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LPTSTR pszString = (LPTSTR) pString;
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Str_SetPtr(&pszString, NULL);
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return 1;
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}
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DWORD CCookieList::_Find(LPCTSTR pszString)
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{
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DWORD dwCookie = -1; // -1 means not found.
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DWORD dwIndex;
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DWORD dwSize = DPA_GetPtrCount(m_hdpa);
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for (dwIndex = 0; dwIndex < dwSize; dwIndex++)
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{
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LPCTSTR pszCurrent = (LPCTSTR) DPA_FastGetPtr(m_hdpa, dwIndex);
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if (pszCurrent && !StrCmp(pszCurrent, pszString))
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{
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dwCookie = dwIndex;
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break; // Found, it's already in the list so recycle.
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}
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}
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return dwCookie;
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}
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DWORD CCookieList::GetCookie(LPCTSTR pszString)
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{
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ENTERCRITICAL;
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DWORD dwCookie = -1;
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if (!EVAL(pszString))
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return -1;
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if (!m_hdpa)
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m_hdpa = DPA_Create(10);
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if (EVAL(m_hdpa))
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{
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dwCookie = _Find(pszString);
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// Did we not find it in the list?
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if (-1 == dwCookie)
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{
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LPTSTR pszCopy = NULL;
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dwCookie = DPA_GetPtrCount(m_hdpa);
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Str_SetPtr(&pszCopy, pszString);
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DPA_AppendPtr(m_hdpa, pszCopy);
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}
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}
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LEAVECRITICAL;
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return dwCookie;
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}
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HRESULT CCookieList::GetString(DWORD dwCookie, LPTSTR pszString, DWORD cchSize)
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{
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ENTERCRITICAL;
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HRESULT hr = S_FALSE;
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if (m_hdpa &&
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(dwCookie < (DWORD)DPA_GetPtrCount(m_hdpa)))
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{
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LPCTSTR pszCurrent = (LPCTSTR) DPA_FastGetPtr(m_hdpa, dwCookie);
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StrCpyN(pszString, pszCurrent, cchSize);
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hr = S_OK;
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}
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LEAVECRITICAL;
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return hr;
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}
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/****************************************************\
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Constructor
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\****************************************************/
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CCookieList::CCookieList()
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{
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DllAddRef();
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// This needs to be allocated in Zero Inited Memory.
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// Assert that all Member Variables are inited to Zero.
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ASSERT(!m_hdpa);
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LEAK_ADDREF(LEAK_CCookieList);
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}
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/****************************************************\
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Destructor
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\****************************************************/
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CCookieList::~CCookieList(void)
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{
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ENTERCRITICAL;
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if (m_hdpa)
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DPA_DestroyCallback(m_hdpa, _FreeStringEnum, NULL);
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LEAVECRITICAL;
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ASSERTNONCRITICAL;
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DllRelease();
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LEAK_DELREF(LEAK_CCookieList);
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}
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