怎么利用tinyxml进行解析一上文件，生成地图对象

<?xml version="1.0" encoding="GBK"?>
<CONFIG>
    <BRANCH>
        <BRANCHCODE>GZ</BRANCHCODE>
        <BRANDS>
            <BRAND>
                <CODE>1</CODE>
                <PACKAGEMSG>
                    <MSG>
                        <SCHEMACODE>20000001033775</SCHEMACODE>
                        <PACKAGENAME>全球通本地5元包月</PACKAGENAME>
                        <SCHEMANAME>短号集群网（全球通）5元本地包月套餐</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>20000001033780</SCHEMACODE>
                        <PACKAGENAME>全球通省内10元包月</PACKAGENAME>
                        <SCHEMANAME>短号集群网（全球通）10元省内包月套餐</SCHEMANAME>
                    </MSG>
                </PACKAGEMSG>
            </BRAND>
            <BRAND>
                <CODE>3</CODE>
                <PACKAGEMSG>
                    <MSG>
                        <SCHEMACODE>20010901100000</SCHEMACODE>
                        <PACKAGENAME>动感地带本地5元包月</PACKAGENAME>
                        <SCHEMANAME>动感地带VPN本地集群网5元包月60011套餐</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>20010902400000</SCHEMACODE>
                        <PACKAGENAME>动感地带省内10元包月</PACKAGENAME>
                        <SCHEMANAME>动感地带VPN省内集群网10元包月60024套餐</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10090000000024</SCHEMACODE>
                        <PACKAGENAME>动感地带（由其他品牌转至）本地5元包月</PACKAGENAME>
                        <SCHEMANAME>动感地带VPMN包月套餐5元</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10000001001948</SCHEMACODE>
                        <PACKAGENAME>动感地带（由其他品牌转至）省内10元包月</PACKAGENAME>
                        <SCHEMANAME>动感地带VPMN省内套餐10元</SCHEMANAME>
                    </MSG>
                </PACKAGEMSG>
            </BRAND>
            <BRAND>
                <CODE>2</CODE>
                <PACKAGEMSG>
                    <MSG>
                        <SCHEMACODE>20000200009000</SCHEMACODE>
                        <PACKAGENAME>神州行本地5元包月</PACKAGENAME>
                        <SCHEMANAME>[广州]VPN本地套餐-月租5元</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>20000200009010</SCHEMACODE>
                        <PACKAGENAME>神州行省内10元包月</PACKAGENAME>
                        <SCHEMANAME>[广州]VPN省内套餐-月租10元</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10091000000018</SCHEMACODE>
                        <PACKAGENAME>神州行（由其他品牌转至）本地5元包月</PACKAGENAME>
                        <SCHEMANAME>神州行VPMN包月套餐5元</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10091000000068</SCHEMACODE>
                        <PACKAGENAME>神州行（由其他品牌转至）省内10元包月</PACKAGENAME>
                        <SCHEMANAME>神州行VPMN省内漫游套餐功能费10元</SCHEMANAME>
                    </MSG>
                </PACKAGEMSG>
            </BRAND>
        </BRANDS>
    </BRANCH>
    <BRANCH>
        <BRANCHCODE>DG</BRANCHCODE>
        <BRANDS>
            <BRAND>
                <CODE>1</CODE>
                <PACKAGEMSG>
                    <MSG>
                        <SCHEMACODE>76900000000102</SCHEMACODE>
                        <PACKAGENAME>全球通本地5元</PACKAGENAME>
                        <SCHEMANAME>VPMN集团优惠5N(5元本地包月, 省内的国内ip5折)</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>76900001002947</SCHEMACODE>
                        <PACKAGENAME>全球通省内10元</PACKAGENAME>
                        <SCHEMANAME>全球通省内群内10元包月（含长途费）</SCHEMANAME>
                    </MSG>
                </PACKAGEMSG>
            </BRAND>
            <BRAND>
                <CODE>2</CODE>
                <PACKAGEMSG>
                    <MSG>
                        <SCHEMACODE>76900769001024</SCHEMACODE>
                        <PACKAGENAME>动感地带、神州行本地5元包月</PACKAGENAME>
                        <SCHEMANAME>智能网本地群内5元包月（OCS）</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>76900769001025</SCHEMACODE>
                        <PACKAGENAME>动感地带、神州行本地10元包月</PACKAGENAME>
                        <SCHEMANAME>智能网省内群内10元包月（OCS含长途费）</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10091000000018</SCHEMACODE>
                        <PACKAGENAME>神州行（由其他品牌转至）本地5元包月</PACKAGENAME>
                        <SCHEMANAME>神州行VPMN 包月套餐5 元</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10091000000068</SCHEMACODE>
                        <PACKAGENAME>神州行（由其他品牌转至）省内10元包月</PACKAGENAME>
                        <SCHEMANAME>神州行VPMN 省内漫游套餐功能费10 元</SCHEMANAME>
                    </MSG>
                </PACKAGEMSG>
            </BRAND>
            <BRAND>
                <CODE>3</CODE>
                <PACKAGEMSG>
                    <MSG>
                        <SCHEMACODE>76900769001024</SCHEMACODE>
                        <PACKAGENAME>动感地带、神州行本地5元包月</PACKAGENAME>
                        <SCHEMANAME>智能网本地群内5元包月（OCS）</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>76900769001025</SCHEMACODE>
                        <PACKAGENAME>动感地带、神州行本地10元包月</PACKAGENAME>
                        <SCHEMANAME>智能网省内群内10元包月（OCS含长途费）</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10090000000024</SCHEMACODE>
                        <PACKAGENAME>动感地带（由其他品牌转至）本地5元包月</PACKAGENAME>
                        <SCHEMANAME>动感地带 VPMN 包月套餐 5 元</SCHEMANAME>
                    </MSG>
                    <MSG>
                        <SCHEMACODE>10090000000051</SCHEMACODE>
                        <PACKAGENAME>动感地带（由其他品牌转至）省内10元包月</PACKAGENAME>
                        <SCHEMANAME>VPMN 省内漫游套餐功能费 10 元</SCHEMANAME>
                    </MSG>
                </PACKAGEMSG>
            </BRAND>
        </BRANDS>
    </BRANCH>
    
    
    
    
    </CONFIG>