appcore.cpp

基于Nuleus操作系统和s3c4510的编写的EFC。已经包含了该EFC的设计说明。这是个实际产品的代码

	return strValue.Todouble();
}
/*
///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section containing the entry.
//		lpszEntry		Points to a null-terminated string that contains the 
//						entry whose value is to be retrieved.
//		pbyData			Pointer to the buffer that receives the data associated with section and key names. 
//						
//		wDataLen		Specifies the size, in bytes, of the buffer pointed to by the pbyData parameter.
// Return Value:
//		If the function succeeds, the return value is nonzero.
//		If the function fails, the return value is zero.

// Remarks:
//		Call this member function to retrieve the data associated with the specified key 
//		in the given section of the application's .INI file.
BOOL CRTApp::GetProfileStruct(LPCSTR lpszSection, LPCSTR lpszEntry,
							  BYTE *pbyData, WORD wDataLen)
{
	ASSERT(lpszSection != NULL);
	ASSERT(lpszEntry != NULL);
	ASSERT(pbyData != NULL);

	CProfileEntry *pEntry = FindProfileEntry(lpszSection, lpszEntry);
	if (pEntry && pEntry->wDataLen > 0)
	{
		memcpy(pbyData, pEntry->pbyData, wDataLen);
		return TRUE;
	}
	
	return FALSE;	
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section containing the entry.
//		lpszEntry		Points to a null-terminated string that contains the 
//						entry whose value is to be retrieved.
//		pbyData			Pointer to the buffer that receives the data associated with section and key names. 
//						
//		wDataLen		Specifies the size, in bytes, of the buffer pointed to by the pbyData parameter.
// Return Value:
//		If the function succeeds, the return value is nonzero.
//		If the function fails, the return value is zero.

// Remarks:
//		Call this member function to copies data into the specified key 
//		in the given section of the application's .INI file.
BOOL CRTApp::WriteProfileStruct(LPCSTR lpszSection, LPCSTR lpszEntry,
							  BYTE *pbyData, WORD wDataLen)
{
	ASSERT(lpszSection != NULL && *lpszSection != '\0');
	ASSERT(lpszEntry != NULL && *lpszEntry != '\0');

	if (pbyData == NULL)
		return DeleteProfileEntry(lpszSection, lpszEntry);

	CProfileSection *pSection = FindProfileSection(lpszSection);
	if (pSection == NULL)
	{// create new section
		pSection = new CProfileSection();
		ASSERT(pSection);
		pSection->strSection = lpszSection;
		// Add to header
		pSection->pNext = m_pSectionHeader;
		m_pSectionHeader = pSection;
	}

	CProfileEntry *pEntry = FindProfileEntry(pSection, lpszEntry);
	if (pEntry == NULL)
	{// create new entry
		pEntry = new CProfileEntry();
		ASSERT(pEntry);
		pEntry->strEntry = lpszEntry;
		pEntry->bStructData = TRUE; // This entry hold struct data
		// Add to header
		pEntry->pNext = pSection->pEntryHeader;
		pSection->pEntryHeader = pEntry;
	}

	// Free previously allocated memory
	if (pEntry->pbyData != NULL)
	{
		delete [] pEntry->pbyData;
		pEntry->pbyData = NULL;
	}

	// New data
	pEntry->wDataLen = wDataLen;
	pEntry->pbyData = new BYTE[wDataLen + 1];
	ASSERT(pEntry->pbyData);
	
	memcpy(pEntry->pbyData, pbyData, wDataLen);

	return TRUE;
}
*/
///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section containing the entry. If the section does not 
//						exist, it is created. The name of the section is case 
//						sensitive;  the string may be any combination of 
//						uppercase and lowercase letters.
//		lpszEntry		Points to a null-terminated string that contains the 
//						entry into which the value is to be written. If the 
//						entry does not exist in the specified section, it is 
//						created.
//		dbValue			Contains the value to be written.
// Return Value:
//		TRUE if successful; otherwise FALSE.
// Remarks:
//		Call this member function to write the specified float number value into
//		the specified section of the application's .INI file.
BOOL CRTApp::WriteProfileFloat(LPCSTR lpszSection, LPCSTR lpszEntry, double dbValue)
{
	ASSERT(lpszSection != NULL);
	ASSERT(lpszEntry != NULL);	
	
	CString strValue;
	strValue.Format("%f", dbValue);
	return WriteProfileString(lpszSection, lpszEntry, strValue);
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section containing the entry. If the section does not 
//						exist, it is created. The name of the section is case 
//						sensitive;  the string may be any combination of 
//						uppercase and lowercase letters.
//		lpszEntry		Points to a null-terminated string that contains the 
//						entry into which the value is to be written. If the 
//						entry does not exist in the specified section, it is 
//						created.
//		pData			Points to the data to be written.
//		nBytes			Contains the number of bytes to be written.
// Return Value:
//		TRUE if successful; otherwise FALSE.
// Remarks:
//		Call this member function to write binary data into the specified 
//		section of the application's .INI file.
BOOL CRTApp::WriteProfileBinary(LPCSTR lpszSection, LPCSTR lpszEntry,
								BYTE *pData, UINT nBytes, BYTE uMode)
{
	ASSERT(lpszSection != NULL);
	ASSERT(lpszEntry != NULL);
	ASSERT(pData != NULL);

	UINT i;
	CString strByte, strValue;
	switch (uMode) 
	{
	case PROFILE_BINARY_MODE_MAC:
		for (i = 0; i < nBytes; i++)
		{
			strByte.Format("%02X-", *pData++);
			strValue += strByte;
		}
		strValue.TrimRight('-');
		break;
	case PROFILE_BINARY_MODE_IP:
		for (i = 0; i < nBytes; i++) 
		{
			strByte.Format("%d.", *pData++);
			strValue += strByte;
		}
		strValue.TrimRight('.');
		break;
	case PROFILE_BINARY_MODE_NORMAL:
	default:
		for (i = 0; i < nBytes; i++)
		{
			strByte.Format("%02X ", *pData++);
			strValue += strByte;
		}
		strValue.TrimRight();
		break;
	}
	return WriteProfileString(lpszSection, lpszEntry, strValue);
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section containing the entry. The name of the section 
//						is case sensitive;  the string may be any combination
//						of uppercase and lowercase letters.
//		lpszEntry		Points to a null-terminated string that contains the 
//						entry whose value is to be retrieved.
//		pData			Points to the buffer to retrieve the data.
//		nBytes			Contains the number of bytes to retrieve at most.
// Return Value:
//		TRUE if successful; otherwise FALSE.
// Remarks:
//		Call this member function to retrieve binary data from an entry within
//		a specified section of the application's .INI file.
BOOL CRTApp::GetProfileBinary(LPCSTR lpszSection, LPCSTR lpszEntry, 
							  BYTE *pData, UINT nBytes) const
{
	ASSERT(lpszSection != NULL);
	ASSERT(lpszEntry != NULL);
	
	CString strValue = GetProfileString(lpszSection, lpszEntry, NULL);
	if (strValue.IsEmpty())
		return FALSE;
	
	UINT i;
	if (strValue.Find('.') > 0)
	{// PROFILE_BINARY_MODE_IP
		for (i = 0; i < nBytes; i++)
		{
			*pData++ = (BYTE)strValue.Toint();
			strValue = strValue.Mid(".", NULL);
		}
	}
	else if (strValue.Find('-') > 0) 
	{// PROFILE_BINARY_MODE_MAC
		for (i = 0; i < nBytes; i++)
		{
			*pData++ = (BYTE)strValue.Tohex();
			strValue = strValue.Mid("-", NULL);
		}
	}
	else
	{// PROFILE_BINARY_MODE_NORMAL
		for (i = 0; i < nBytes; i++)
		{
			*pData++ = (BYTE)strValue.Tohex();
			strValue = strValue.Mid(" ", NULL);
		}
	}
	return TRUE;
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section. If this parameter is NULL, the whole section
//						link table was deleted.
// Return Value:
//		TRUE if successful, FALSE if the specified section was not found.
// Remarks:
//		Deletes a section from the section link table or the whole link table.
BOOL CRTApp::DeleteProfileSection(LPCSTR lpszSection)
{
	if (lpszSection == NULL) 
	{
		if (m_pSectionHeader != NULL) 
		{// delete the whole profile link table.
			delete m_pSectionHeader;
			m_pSectionHeader = NULL;
		}
		return TRUE;
	}

	CProfileSection *pSection = NULL;
	CProfileSection *pNextSec = m_pSectionHeader;
	while (pNextSec != NULL)
	{
		if (pNextSec->strSection == lpszSection)
		{
			if (pSection != NULL)
			{
				pSection->pNext = pNextSec->pNext;
			}
			else
			{// it's the section header
				m_pSectionHeader = pNextSec->pNext;
			}
			pNextSec->pNext = NULL; // cut off from the link table
			delete pNextSec;
			return TRUE;
		}
		pSection = pNextSec;
		pNextSec = pNextSec->pNext;
	}
	return FALSE;
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section.
//		lpszEntry		Points to a null-terminated string that contains the 
//						entry.
// Return Value:
//		TRUE if successful, FALSE if the specified entry was not found.
// Remarks:
//		Deletes an entry from the section-entry link table.
BOOL CRTApp::DeleteProfileEntry(LPCSTR lpszSection, LPCSTR lpszEntry)
{
	ASSERT(lpszSection);
	ASSERT(lpszEntry);

	CProfileSection *pSection = FindProfileSection(lpszSection);	
	if (pSection != NULL)
	{// section found
		CProfileEntry *pEntry = NULL;
		CProfileEntry *pNextEntry = pSection->pEntryHeader;
		while (pNextEntry != NULL)
		{
			if (pNextEntry->strEntry == lpszEntry)
			{
				if (pEntry != NULL)
				{
					pEntry->pNext = pNextEntry->pNext;
				}
				else
				{// it's the entry header
					pSection->pEntryHeader = pNextEntry->pNext;
				}
				pNextEntry->pNext = NULL; // cut off from the link table
				delete pNextEntry;
				return TRUE;
			}
		}
	}
	return FALSE;
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		Points to a null-terminated string that specifies the 
//						section.
//		lpszEntry		Points to a null-terminated string that contains the 
//						entry. If lpszEntry is NULL, then the section rights
//						is set.
//		nReadRights		Access rights for reading it. The value is same as the
//						system user's access rights defined in EFCCONTS.H
//		nWriteRights	Access rights for writing it.
// Return Value:
//		TRUE if profile rights was set successful, FALSE if the entry or section
//		was not found.
// Remarks:
//		Sets the read/write rights of the specified profile entry of section.
BOOL CRTApp::SetProfileRights(LPCSTR lpszSection, LPCSTR lpszEntry,
							  int nReadRights, int nWriteRights)
{
	ASSERT(lpszSection);
	
	CProfileSection *pSection = FindProfileSection(lpszSection);
	if (pSection == NULL)
		return FALSE; // section does not exist.

	if (lpszEntry == NULL) 
	{// sets the section rights
		pSection->nReadRights  = nReadRights;
		pSection->nWriteRights = nWriteRights;
		return TRUE;
	}

	CProfileEntry *pEntry = FindProfileEntry(pSection, lpszEntry);
	if (pEntry != NULL) 
	{
		pEntry->nReadRights  = nReadRights;
		pEntry->nWriteRights = nWriteRights;
		return TRUE;
	}

	return FALSE;
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		lpszSection		The string of the profile section to search for.
// Return Value:
//		The pointer of the profile section if found, otherwise NULL.
// Remarks:
//		Searches the whole profile link table for the match of a section
CProfileSection *CRTApp::FindProfileSection(LPCSTR lpszSection) const
{
	ASSERT(lpszSection);
	CProfileSection *pSection = m_pSectionHeader;
	while (pSection != NULL) 
	{
		if (pSection->strSection == lpszSection)
			break;
		pSection = pSection->pNext;
	}
	return pSection;
}

///////////////////////////////////////////////////////////////////////////////
// Parameters:
//		pSection	A pointer of the specified profile section.
//		lpszEntry	The name of the profile entry to search for.
// Return Value:
//		The pointer of the profile entry if found, otherwise NULL.
// Remarks:
//		Searches the specified profile section for the match of an profile entry.
CProfileEntry *CRTApp::FindProfileEntry(const CProfileSection *pSection,
										LPCSTR lpszEntry) const
{
	ASSERT(lpszEntry);
	if (pSection == NULL)
		return NULL;
	
	CProfileEntry *pEntry = pSection->pEntryHeader;
	while (pEntry != NULL) 
	{
		if (pEntry->strEntry == lpszEntry)
			break;
		pEntry = pEntry->pNext;
	}
	return pEntry;
}