lwpproplist.cxx

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 *  Sun Microsystems Inc., October, 2000
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 *  GNU Lesser General Public License Version 2.1
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/*************************************************************************
 * @file
 *  For LWP filter architecture prototype
 ************************************************************************/
 
#include "lwpproplist.hxx"
 
LwpPropListElement::LwpPropListElement(LwpObjectHeader const &objHdr, LwpSvStream *pStrm)
:LwpDLVList(objHdr,pStrm)
{
}
 
LwpPropListElement* LwpPropListElement::GetNext()
{
    return dynamic_cast<LwpPropListElement*>(LwpDLVList::GetNext().obj().get());
}
 
void LwpPropListElement::Read()
{
    LwpDLVList::Read();
    m_Name.Read(m_pObjStrm.get());
    m_Value.Read(m_pObjStrm.get());
    m_pObjStrm->SkipExtra();
}
 
bool LwpPropListElement::IsNamed(std::u16string_view name)
{
    return name == m_Name.str();
}
 
OUString LwpPropList::GetNamedProperty(std::u16string_view name)
{
    LwpPropListElement* pProp = FindPropByName(name);
    if (pProp)
    {
        return pProp->GetValue().str();
    }
    return OUString();
}
 
LwpPropListElement* LwpPropList::FindPropByName(std::u16string_view name)
{
    LwpPropListElement* pElement = GetFirst();
 
    while(pElement)
    {
        if (pElement->IsNamed(name))
            return pElement;
        pElement = pElement->GetNext();
    }
    return nullptr;
}
 
LwpPropListElement* LwpPropList::GetFirst()
{
    return dynamic_cast<LwpPropListElement*>(LwpDLVListHead::GetFirst().obj().get());
}
 
OUString LwpPropList::EnumNamedProperty(OUString& name,OUString& value)
{
    LwpPropListElement* pElement;
    if (name.isEmpty())
    {
        pElement = GetFirst();
        if (pElement)
        {
            value = pElement->GetValue().str();
            name  = pElement->GetName().str();
            pElement = pElement->GetNext();
            if(pElement)
                return  pElement->GetName().str();
        }
        return OUString();
    }
    else
    {
        pElement = FindPropByName(name);
        if (pElement)
        {
            value = pElement->GetValue().str();
            pElement = pElement->GetNext();
            if(pElement)
                return  pElement->GetName().str();
        }
        return OUString();
    }
}
 
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