本文整理汇总了C++中CGUIString::empty方法的典型用法代码示例。如果您正苦于以下问题：C++ CGUIString::empty方法的具体用法？C++ CGUIString::empty怎么用？C++ CGUIString::empty使用的例子？那么, 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CGUIString的用法示例。
在下文中一共展示了CGUIString::empty方法的2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:
//------------------------------------------------------------------------------
void CGUIWgtParticle2D::SetParticle2D( const CGUIString& rParticle2DName )
{
GUI_TRACE( GUI_FORMAT( "[CGUIWgtParticle2D::SetParticle2D]: play particle %s", rParticle2DName.c_str()));
if( rParticle2DName.empty() )
{
//clear
SetParticle2D( NULL );
}
else
{
CGUIParticle2DSystem* pParticle2D = CGUIParticle2DManager::Instance()->AllocateResource( rParticle2DName );
SetParticle2D( pParticle2D );
pParticle2D->RefRelease();
}
}示例2: CGUIException
//------------------------------------------------------------------------------
int IGUIStringConv_iconv::Utf8ToWChar( const CGUIString& rSrc, CGUIStringW& rDst )
{
if( rSrc.empty())
{
rDst.clear();
return 0;
}
//open iconv
iconv_t cd = iconv_open ("UTF-16LE", "UTF-8");
if( cd == (iconv_t)-1 )
{
throw CGUIException(
"[MultiByteToWideChar]: failed to open iconv, errno is %d",
errno);
return -1;
}
//convert
size_t buf_size = rSrc.size()+1;
size_t inbytesleft = rSrc.size();
size_t outbytesleft = buf_size;
char* dst = (char*)(new wchar[buf_size]);
char* pOutBuf = NULL;
char* pInBuf = (char*)(rSrc.c_str());
bool bError = false;
while(inbytesleft > 0)
{
pOutBuf = dst;
outbytesleft = buf_size*sizeof(wchar);
size_t retbytes = iconv(cd, &pInBuf, &inbytesleft, &pOutBuf, &outbytesleft);
if (dst != pOutBuf)
{
// wchar is 4byte in mac, but iconv return a "utf-16" buff which is 2byte per code
if (sizeof(wchar) == 4)
{
for (int iChar = 0; iChar < (pOutBuf-dst)/2; iChar++)
{
unsigned short* pU16Char = (unsigned short*)&dst[2*iChar];
rDst.push_back((wchar)*pU16Char);
}
}
else if (sizeof(wchar) == 2)
{
rDst.append((wchar*)dst, (pOutBuf-dst)/sizeof(wchar));
}
}
//check ret
if( retbytes == size_t(-1) )
{
if( errno == E2BIG )
{
continue;
}
else
{
bError = true;
break;
}
}
else
{
//success
break;
}
}
delete[] dst;
if( bError)
{
switch(errno)
{
case EILSEQ:
throw CGUIException(
"[MultiByteToWideChar]: failed to iconv, errno is EILSEQ");
return -1;
case EINVAL:
throw CGUIException(
"[MultiByteToWideChar]: failed to iconv, errno is EINVAL");
return -1;
default:
throw CGUIException(
"[MultiByteToWideChar]: failed to iconv, errno is %d",
errno);
return -1;
}
}
//close iconv
int ret = iconv_close(cd);
if( ret == -1 )
{
throw CGUIException(
"[MultiByteToWideChar]: failed to close iconv, errno is %d",
//.........这里部分代码省略.........