C++ XString::empty方法代碼示例

	bool makeSurePath(XString& s)
	{
		if(s.empty()) return false;
		std::replace(s.begin(),s.end(),'\\','/');
		Trim(s);
		TrimLeftChar(s,'/');
		if(s.empty()) return false;
		while('/' != *s.rbegin()) s += '/';
		return !s.empty();
	}

	void TrimRight(XString& str)
	{
		if(str.empty()) return;
		for (XString::iterator i = str.end()-1;i!=str.begin();--i)
		{
			if(!isspace(*i))
			{
				str.erase(i+1,str.end());
				return;
			}
		}
	}

XIRef<XTimeZone> XSimpleTimeZone::FromXML(XIRef<XDomParserNode> node)
{
    const XString utcOffsetStr = node->GetMetaData("utcOffset");
    const XString dstOffsetStr = node->GetMetaData("dstOffset");

    if(node->GetTagName() != "XSimpleTimeZone" ||
       utcOffsetStr.empty() ||
       (!verifyDigit(utcOffsetStr[0]) && utcOffsetStr[0] != '-') ||
       count_if(utcOffsetStr.begin() + 1, utcOffsetStr.end(), verifyDigit) != (int)utcOffsetStr.size() - 1 ||
       dstOffsetStr.empty() ||
       (!verifyDigit(dstOffsetStr[0]) && dstOffsetStr[0] != '-') ||
       count_if(dstOffsetStr.begin() + 1, dstOffsetStr.end(), verifyDigit) != (int)dstOffsetStr.size() - 1)
    {
        return 0;
    }

    const int utcOffset = utcOffsetStr.ToInt();
    const int dstOffset = dstOffsetStr.ToInt();

    return new XSimpleTimeZone(utcOffset, dstOffset);
}

XIRef<XDomParserNode> SoapArgs::_GetNode( const XString& path, XIRef<XDomParserNode> parent )
{
    const size_t dot = path.find('.');
    XString front = path.substr(0, dot);
    XString rest = dot == string::npos ? "" : path.substr(dot + 1);

    const list<XIRef<XDomParserNode> >::const_iterator end = parent->GetChildren().end();
    list<XIRef<XDomParserNode> >::const_iterator found = end;

    for(list<XIRef<XDomParserNode> >::const_iterator iter = parent->GetChildren().begin();
        iter != end;
        ++iter)
    {
        if((*iter)->GetTagName() == front)
        {
            found = iter;
            break;
        }
    }

    if(found != end)
        return rest.empty() ? *found : _GetNode(rest, *found);

    XIRef<XDomParserNode> node(new XDomParserNode(XString::Format("<%s>", front.c_str())));
    parent->AppendChild(node);

    if(!rest.empty())
        return _GetNode(rest, node);

    return node;


    /*
    // Key - "foo.bar.alpha"
    // In this case, foo and bar are CONTAINER_TYPE and alpha is a VALUE_TYPE

    SoapArgs* existingNode = current->Find( path);

    if(existingNode)
    {
    }

    vector<XString> parts;
    key.Split( ".", parts );

    XHash<SoapArgsNode>* current = &_complex;


    if( !parts.empty() )
    {
        XString currPath = parts[0];
        size_t limit = parts.size() - 1;

        // Loop over all the CONTAINER_TYPE parts of the path...
        for( size_t i = 0; i < limit; ++i )
        {
            SoapArgsNode* found = current->Find( currPath );

            if( found )
            {
                current = &found->_children;
            }
            else
            {
                SoapArgsNode node;
                node._nodeType = CONTAINER_TYPE;
                node._name = parts[i];
                current->Add( currPath, node );
                SoapArgsNode* foundNode = current->Find( currPath );
                current = &foundNode->_children;
            }

            currPath += "." + parts[i];
        }

        SoapArgsNode* found == current->Find( path );

        if(found)
        {
            SoapArgs node = *found;
            current->Remove( parts[i] );

            return found;
        }
    }

    SoapArgsNode node;
    node._nodeType = VALUE_TYPE;
    node._name = !parts.empty() ? parts[i] : key;
    */
}