Fetch ISBN XML from isbndb.com and Parse

Demonstrates sending a query to isbndb.com and parsing the XML response.

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#include <CkXml.h>

void ChilkatSample(void)
    {
    CkXml xml0;

    //  The Chilkat XML component/class is freeware.

    CkXml *xml = 0;
    xml = xml0.HttpGet("http://isbndb.com/api/books.xml?access_key=XXXXX&results=details&index1=isbn&value1=0443074348");
    if (xml == 0 ) {
        printf("%s\n",xml0.lastErrorText());
        return;
    }

    //  The XML returned for this URL is the following:

    //  <?xml version="1.0" encoding="UTF-8" ?>

    //  <ISBNdb server_time="2007-10-25T14:07:25Z">
    //      <BookList total_results="1" page_size="10" page_number="1" shown_results="1">
    //          <BookData book_id="diagnostic_histopathology_of_tumors_2_volume_set_with_cd_rom" isbn="0443074348">
    //              <Title>Diagnostic Histopathology of Tumors: 2-Volume Set with CD-ROMs</Title>
    //              <TitleLong>Diagnostic Histopathology of Tumors: 2-Volume Set with CD-ROMs (Diagnostic Histopathology of Tumors (Fletcher))</TitleLong>
    //              <AuthorsText>Christopher D. M. Fletcher (Editor)</AuthorsText>
    //              <PublisherText publisher_id="churchill_livingstone">Churchill Livingstone</PublisherText>
    //              <Details dewey_decimal="616" physical_description_text="2166 pages" language="" edition_info="Hardcover; 2007-03-13" dewey_decimal_normalized="616" lcc_number="" change_time="2006-12-13T14:53:42Z" price_time="2007-10-25T01:12:13Z" />
    //          </BookData>
    //      </BookList>
    //  </ISBNdb>

    //  First, navigate to the BookData node:
    xml->FirstChild2();
    xml->FirstChild2();

    //  Show the Title and AuthorsText:
    printf("%s\n",xml->getChildContent("Title"));
    printf("%s\n",xml->getChildContent("AuthorsText"));

    //  Show the publisher_id attribute of the PublisherText node:
    CkXml *xml2 = 0;
    xml2 = xml->FindChild("PublisherText");
    printf("%s\n",xml2->getAttrValue("publisher_id"));

    delete xml2;

    //  Save the XML to a file:
    xml->SaveXml("book.xml");

    delete xml;
    }