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(C++) Demonstrate the XML FindNextRecord MethodImagine we have an XML file as follows:
<CompleteMultipartUpload>
<Part>
<PartNumber>1</PartNumber>
<ETag>abc</ETag>
</Part>
<Part>
<PartNumber>2</PartNumber>
<ETag>def</ETag>
</Part>
<Part>
<PartNumber>3</PartNumber>
<ETag>ghi</ETag>
</Part>
</CompleteMultipartUpload>
We want to find the record where PartNumber = 2. To do so, we simply position ourselves at the first "Part" tag, and then call FindNextRecord. (See below..)
#include <CkXml.h> void ChilkatSample(void) { CkXml xml; xml.LoadXmlFile("qa_data/xml/multipartUpload.xml"); // Position ourselves at the 1st record. xml.GetChild2(0); CkXml *foundRec = xml.FindNextRecord("PartNumber","2"); if (xml.get_LastMethodSuccess() == true) { std::cout << "Found the record where PartNumber = 2." << "\r\n"; std::cout << foundRec->getXml() << "\r\n"; // Let's examine the ETag for this record... std::cout << "ETag for PartNumber 2 = " << foundRec->getChildContent("ETag") << "\r\n"; delete foundRec; } else { std::cout << "No record exists where PartNumber = 2." << "\r\n"; } // What if we want to find the record where ETag = "abc"? foundRec = xml.FindNextRecord("ETag","abc"); if (xml.get_LastMethodSuccess() == true) { std::cout << "Found the record where ETag = abc" << "\r\n"; std::cout << foundRec->getXml() << "\r\n"; // Let's examine the PartNumber for this record... std::cout << "Part number for Etag(abc) = " << foundRec->getChildContent("PartNumber") << "\r\n"; delete foundRec; } else { std::cout << "No record exists where ETag = abc." << "\r\n"; } // Go back to the XML root.. xml.GetRoot2(); } |
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