CCompletionList Class Reference

Collaboration diagram for CCompletionList:

Public Member Functions
	CCompletionList ()
	~CCompletionList ()
BOOL	IsNewCompletion (const TCHAR *pszContext, const TCHAR *pszBegin, BOOL &rblnNew)
BOOL	Add (const TCHAR *pszText, BOOL blnIsKey)
const TCHAR *	Get (unsigned __int64 nIndex, BOOL &rblnIsKey)
unsigned __int64	GetCount ()
const TCHAR *	GetContext ()
const TCHAR *	GetBegin ()
void	DeleteList ()
void	Invalidate ()

Private Attributes
CCompletionMatch *	m_pHead
CCompletionMatch *	m_pTail
CCompletionMatch *	m_pLastSearched
unsigned int	m_nLastSearched
TCHAR *	m_pszContext
TCHAR *	m_pszBegin
TCHAR *	m_pszCurrentKey
unsigned __int64	m_nCount

Detailed Description

Definition at line 88 of file Completion.cpp.

Constructor & Destructor Documentation

CCompletionList()

CCompletionList::CCompletionList

(

)

Definition at line 115 of file Completion.cpp.

{
  m_pHead = NULL;
  m_pTail = NULL;
  m_nCount = 0;
  m_pLastSearched = NULL;
  m_pszContext = NULL;
  m_pszBegin = NULL;
  m_pszCurrentKey = NULL;
}

~CCompletionList()

CCompletionList::~CCompletionList

(

)

Definition at line 126 of file Completion.cpp.

{
  DeleteList();
 
  if (m_pszContext)
    delete[] m_pszContext;
 
  if (m_pszBegin)
    delete[] m_pszBegin;
 
  if (m_pszCurrentKey)
    delete[] m_pszCurrentKey;
}

Member Function Documentation

Add()

BOOL CCompletionList::Add	(	const TCHAR *	pszText,
		BOOL	blnIsKey
	)

Definition at line 214 of file Completion.cpp.

{
  if (_tcsnicmp(pszText,m_pszBegin,_tcslen(m_pszBegin)) != 0)
    return TRUE;
  CCompletionMatch *pNode = new (std::nothrow) CCompletionMatch;
  if (!pNode)
    return FALSE;
  if (!pNode->Init(pszText))
    return FALSE;
 
  ASSERT(pNode->m_pszText);
  ASSERT(pNode->m_pNext == NULL);
 
  // add new node to tail
  pNode->m_blnIsKey = blnIsKey;
  if (m_pTail)
  {
    pNode->m_pPrev = m_pTail;
    ASSERT(m_pTail->m_pNext == NULL);
    m_pTail->m_pNext = pNode;
    m_pTail = pNode;
  }
  else
  {
    ASSERT(m_pHead == NULL);
    m_pHead = m_pTail = pNode;
  }
 
  m_nCount++;
 
  m_pLastSearched = NULL;
 
  return TRUE;
}

Referenced by FillCompletion().

DeleteList()

void CCompletionList::DeleteList

(

)

Definition at line 316 of file Completion.cpp.

{
  CCompletionMatch *pNode;
  while(m_pHead)
  {
    pNode = m_pHead;
    m_pHead = m_pHead->m_pNext;
    delete pNode;
  }
  m_pTail = NULL;
  ASSERT(m_pHead == NULL);
  m_nCount = 0;
}

Referenced by FillCompletion(), IsNewCompletion(), and ~CCompletionList().

Get()

const TCHAR * CCompletionList::Get	(	unsigned __int64	nIndex,
		BOOL &	rblnIsKey
	)

Definition at line 249 of file Completion.cpp.

{
  ASSERT(nIndex < m_nCount);
  BOOL blnForward = FALSE;
  CCompletionMatch *pNode = NULL;
 
  unsigned __int64 nRelativeIndex = 0;
 
  if (m_pLastSearched)
  {
    pNode = m_pLastSearched;
    blnForward = nIndex > m_nLastSearched;
    nRelativeIndex = blnForward?(nIndex-m_nLastSearched):(m_nLastSearched-nIndex);
    if ((nRelativeIndex > nIndex)||(nRelativeIndex > m_nCount-nIndex-1))
      pNode = NULL; // seraching from tail or from head is more effective
  }
 
  if (!pNode && (nIndex <= m_nCount/2))
  { // search from head
    pNode = m_pHead;
    blnForward = TRUE;
    nRelativeIndex = nIndex;
  }
 
  if (!pNode)
  { // search from tail
    pNode = m_pTail;
    blnForward = FALSE;
    nRelativeIndex = m_nCount-nIndex-1;
  }
 
  while(pNode)
  {
    if (nRelativeIndex == 0)
    {
      m_nLastSearched = nIndex;
      m_pLastSearched = pNode;
      rblnIsKey = pNode->m_blnIsKey;
      if (!pNode->m_pszText)
        ASSERT(FALSE);
      return pNode->m_pszText;
    }
 
    nRelativeIndex--;
 
    pNode = blnForward?(pNode->m_pNext):(pNode->m_pPrev);
  }
 
  ASSERT(FALSE);
  return NULL;
}

Referenced by CompletionCallback().

GetBegin()

const TCHAR * CCompletionList::GetBegin

(

)

Definition at line 311 of file Completion.cpp.

{
  return m_pszBegin;
}

GetContext()

const TCHAR * CCompletionList::GetContext

(

)

Definition at line 306 of file Completion.cpp.

{
  return m_pszContext;
}

GetCount()

unsigned __int64 CCompletionList::GetCount

(

)

Definition at line 301 of file Completion.cpp.

{
  return m_nCount;
}

Referenced by CompletionCallback().

Invalidate()

void CCompletionList::Invalidate

(

)

Definition at line 140 of file Completion.cpp.

{
  if (m_pszCurrentKey)
  {
    delete[] m_pszCurrentKey;
    m_pszCurrentKey = NULL;
  }
}

Referenced by InvalidateCompletion().

IsNewCompletion()

BOOL CCompletionList::IsNewCompletion	(	const TCHAR *	pszContext,
		const TCHAR *	pszBegin,
		BOOL &	rblnNew
	)

Definition at line 149 of file Completion.cpp.

{
  const TCHAR *pszCurrentKey = Tree.GetCurrentPath();
  if (!m_pszContext ||
      !m_pszBegin ||
      !m_pszCurrentKey ||
      (_tcscmp(m_pszContext,pszContext) != 0) ||
      (_tcscmp(m_pszBegin,pszBegin) != 0) ||
      (_tcscmp(m_pszCurrentKey,pszCurrentKey)))
  { // new completion
    DeleteList();
    rblnNew = TRUE;
    if (m_pszContext)
    {
      delete[] m_pszContext;
      m_pszContext = NULL;
    }
 
    if (m_pszBegin)
    {
      delete[] m_pszBegin;
      m_pszBegin = NULL;
    }
 
    if (m_pszCurrentKey)
    {
      delete[] m_pszCurrentKey;
      m_pszCurrentKey = NULL;
    }
 
    size_t s = _tcslen(pszContext);
    m_pszContext = new (std::nothrow) TCHAR[s+1];
    if (!m_pszContext)
      return FALSE;
    _tcscpy(m_pszContext,pszContext);
 
    s = _tcslen(pszBegin);
    m_pszBegin = new (std::nothrow) TCHAR[s+1];
    if (!m_pszBegin)
    {
      delete[] m_pszContext;
      m_pszContext = NULL;
      return FALSE;
    }
    _tcscpy(m_pszBegin,pszBegin);
 
    s = _tcslen(pszCurrentKey);
    m_pszCurrentKey = new (std::nothrow) TCHAR[s+1];
    if (!m_pszCurrentKey)
    {
      delete[] m_pszContext;
      delete[] m_pszBegin;
      m_pszContext = NULL;
      m_pszBegin = NULL;
      return FALSE;
    }
    _tcscpy(m_pszCurrentKey,pszCurrentKey);
 
    return TRUE;
  }
 
  rblnNew = FALSE;
  return TRUE;
}

Referenced by CompletionCallback().

Member Data Documentation

m_nCount

unsigned __int64 CCompletionList::m_nCount

private

Definition at line 111 of file Completion.cpp.

Referenced by Add(), CCompletionList(), DeleteList(), Get(), and GetCount().

m_nLastSearched

unsigned int CCompletionList::m_nLastSearched

private

Definition at line 107 of file Completion.cpp.

Referenced by Get().

m_pHead

CCompletionMatch* CCompletionList::m_pHead

private

Definition at line 104 of file Completion.cpp.

Referenced by Add(), CCompletionList(), DeleteList(), and Get().

m_pLastSearched

CCompletionMatch* CCompletionList::m_pLastSearched

private

Definition at line 106 of file Completion.cpp.

Referenced by Add(), CCompletionList(), and Get().

m_pszBegin

TCHAR* CCompletionList::m_pszBegin

private

Definition at line 109 of file Completion.cpp.

Referenced by Add(), CCompletionList(), GetBegin(), IsNewCompletion(), and ~CCompletionList().

m_pszContext

TCHAR* CCompletionList::m_pszContext

private

Definition at line 108 of file Completion.cpp.

Referenced by CCompletionList(), GetContext(), IsNewCompletion(), and ~CCompletionList().

m_pszCurrentKey

TCHAR* CCompletionList::m_pszCurrentKey

private

Definition at line 110 of file Completion.cpp.

Referenced by CCompletionList(), Invalidate(), IsNewCompletion(), and ~CCompletionList().

m_pTail

CCompletionMatch* CCompletionList::m_pTail

private

Definition at line 105 of file Completion.cpp.

Referenced by Add(), CCompletionList(), DeleteList(), and Get().

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The documentation for this class was generated from the following file:

• modules/rosapps/applications/sysutils/regexpl/Completion.cpp