Method InsertAfterChild

3rdparty/tinyxml2/tinyxml2.cpp:986–1019

XMLNode* XMLNode::InsertAfterChild( XMLNode* afterThis, XMLNode* addThis )
{
    TIXMLASSERT( addThis );
    if ( addThis->_document != _document ) {
        TIXMLASSERT( false );
        return 0;
    }

    TIXMLASSERT( afterThis );

    if ( afterThis->_parent != this ) {
        TIXMLASSERT( false );
        return 0;
    }
    if ( afterThis == addThis ) {
        // Current state: BeforeThis -> AddThis -> OneAfterAddThis
        // Now AddThis must disappear from it's location and then
        // reappear between BeforeThis and OneAfterAddThis.
        // So just leave it where it is.
        return addThis;
    }

    if ( afterThis->_next == 0 ) {
        // The last node or the only node.
        return InsertEndChild( addThis );
    }
    InsertChildPreamble( addThis );
    addThis->_prev = afterThis;
    addThis->_next = afterThis->_next;
    afterThis->_next->_prev = addThis;
    afterThis->_next = addThis;
    addThis->_parent = this;
    return addThis;
}