XML实例入门2

工具：notepad++、VS2008(MSXML6.0)

来自msdn的例子（经过修改，因为升级到MSXML6.0，有些关键字不太一样了），

需要文件books.xml，books.vsd（博客只支持xml文件，vsd修改后缀就可以）

 

#include <stdio.h>
#import <msxml6.dll>
using namespace MSXML2;

int main(int argc, char* argv[])
{
    HRESULT hr;

    CoInitialize(NULL);
            
    IXMLDOMDocument3Ptr pXMLDoc;
    hr = pXMLDoc.CreateInstance(__uuidof(DOMDocument60));
    if (FAILED(hr)) {
        printf("Failed to CreateInstance on an XML DOM");
        return -1;
    }
    pXMLDoc->async = VARIANT_FALSE; 
    pXMLDoc->validateOnParse = VARIANT_FALSE;    
    hr = pXMLDoc->setProperty("MultipleErrorMessages", VARIANT_TRUE);
    if (FAILED(hr)){
        printf("Failed to enable mulitple validation errors
");
        return -1;
    }
    if(pXMLDoc->load("..\books.xml")!=VARIANT_TRUE){
        printf("Failed to load DOM from books.xml. %s
",
            (LPCSTR)pXMLDoc->parseError->reason);
        return -1;
    }

    IXMLDOMDocument3Ptr pXSDDoc;
    hr = pXSDDoc.CreateInstance(__uuidof(DOMDocument60));
    if (FAILED(hr)) {
        printf("Failed to CreateInstance on an XSD Doc");
        return -1;
    }
    pXSDDoc->async = VARIANT_FALSE; 
    pXSDDoc->validateOnParse = VARIANT_FALSE;    
    if(pXSDDoc->load("..\books.xsd")!=VARIANT_TRUE){
        printf("Failed to load XSD from books.xsd. %s
",
            (LPCSTR)pXSDDoc->parseError->reason);
        return -1;
    }

    
    IXMLDOMSchemaCollectionPtr pSCache;
    hr = pSCache.CreateInstance(__uuidof(XMLSchemaCache60));
    if (FAILED(hr)) {
        printf("Cannot instantiate XMLSchemaCache50
");
        return -1;
    }
    pXMLDoc->schemas = pSCache.GetInterfacePtr();
      
    hr = pSCache->add("urn:books", pXSDDoc.GetInterfacePtr());
    if (FAILED(hr)) {
        printf("Cannot add 'urn:books' to schema cache.
");
        return -1;
    }

    printf("Validating DOM...
");
    // Validate the entire DOM object.
    IXMLDOMParseError2Ptr pError =pXMLDoc->validate();
    if (pError->errorCode != 0) {
        printf("invalid dom:
	reason:
%s",
            (LPCSTR)pError->reason);
        printf("	errorXPath:
%s",
            (LPCSTR)pError->errorXPath);
        printf("
Parameters Count: %d
",
            pError->errorParametersCount);
 
        for (int i=0; i<pError->errorParametersCount; i++){
            printf("	errorParameters(%d): %s
",
                i, (LPCSTR)pError->errorParameters(i));
        }
     }else{
        printf("	DOM is valid:
%s
",
            (LPCSTR)pXMLDoc->xml);
    }

    printf("

Validating nodes...
");
    MSXML2::IXMLDOMNodeListPtr pNodeList;
    pNodeList = pXMLDoc->selectNodes("//book");
    for (int i=0; i<pNodeList->length; i++){
        pError = pXMLDoc->validateNode(pNodeList->item[i]);
        if (pError->errorCode != 0) {
            printf("
Node %d is invalid:
	reason: %s", i,
                (LPCSTR)pError->reason);
            printf("	errorXPath:
%s",
                (LPCSTR)pError->errorXPath);
            printf("
Parameters Count: %d
",
                pError->errorParametersCount);
            for (int j=0; j<pError->errorParametersCount; j++){
                printf("	errorParameters(%d): %s
",
                    j, (LPCSTR)pError->errorParameters(j));
            }
        }else{
            MSXML2::IXMLDOMNodePtr pNode=pNodeList->item[i];
            printf("
Node %d is valid:
%s
", i,
                (LPCSTR)pNode->xml);
        }
    }

    pError.Release();
    pXMLDoc.Release();
    pNodeList.Release();
    pSCache.Release();
    pXSDDoc.Release();

    CoUninitialize();
    return 0;
}

 

注：MSXML2::IXMLDOMNodeListPtr与MSXML2::IXMLDOMNodePtr，命名空间重复，显示指明命名空间即可

其他参考：XML实例入门1