本文整理汇总了C++中cString::IsEmpty方法的典型用法代码示例。如果您正苦于以下问题：C++ cString::IsEmpty方法的具体用法？C++ cString::IsEmpty怎么用？C++ cString::IsEmpty使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cString的用法示例。
在下文中一共展示了cString::IsEmpty方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CalculateHash
// ****************************************************************************
unsigned long cHashedString::CalculateHash(const cString & strIdent)
{
if(strIdent.IsEmpty())
{
return 0;
}
// largest prime smaller than 65536
unsigned long lBASE = 65521L;
// lMAX is the largest n such that // 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1
unsigned int lMAX = 5522;
unsigned int s1 = 0;
unsigned int s2 = 0;
int i = 0;
unsigned int length = strIdent.GetLength();
while(length > 0)
{
int k = length < lMAX ? length : lMAX;
length -= k;
while(--k >= 0)
{
s1 += (unsigned int)(tolower(strIdent[i++]) & 0XFF);
s2 += s1;
}
s1 %= lBASE;
s2 %= lBASE;
}
return ((s2 << 16) | s1);
}示例2: pNode
// *******************************************************************************************************************
const weak_ptr<IXMLNode> cXMLNode::VAddElement(const cString & ElementName, const cString & ElementValue)
{
const shared_ptr<cXMLNode> pNode(DEBUG_NEW cXMLNode());
pNode->m_pElement = m_pDoc->NewElement(ElementName.GetData());
pNode->m_pDoc = m_pDoc;
if (!ElementValue.IsEmpty())
{
XMLText * pText = m_pDoc->NewText(ElementValue.GetData());
pNode->m_pElement->InsertEndChild(pText);
}
m_pElement->LinkEndChild(pNode->m_pElement);
m_ChildNodes.push_back(pNode);
return pNode;
}示例3: CalculateChecksum
// *******************************************************************************************************************
uint64 cHashedString::CalculateChecksum(const cString & str)
{
if (str.IsEmpty())
{
return 0;
}
#if 0 // use simple checksum. Keeping this for reference purpose
// largest prime smaller than 65536
UINT64 MOD_ADLER = 65521L;
// MAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1
unsigned int MAX_LENGTH = 5522;
unsigned int s1 = 1;
unsigned int s2 = 0;
unsigned int length = str.GetLength();
while(length > 0)
{
int k = length < MAX_LENGTH ? length : MAX_LENGTH;
length -= k;
for(int index = 0; index < k; index++)
{
s1 = (s1 + (str[index] & 0xFF)) % MOD_ADLER;
s2 = (s2 + s1) % MOD_ADLER;
}
}
return ((s2 << 16) | s1);
#else
uint64 hash = 0;
UINT length = str.GetLength();
for (UINT i = 0; i < length; i++)
{
hash = str[i] + (hash << 6) + (hash << 16) - hash;
}
return hash & 0x7fffffff;
#endif
}