Rust

Fetch ISBN XML from isbndb.com and Parse

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

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

let http = chilkat::Http::new();

// The access_key in this URL is a valid access key, but limited to 100 queries per day.
// If the key does not work, it may be that others were testing and exhausted the limit.
let Ok(str_xml) = http.quick_get_str("http://isbndb.com/api/books.xml?access_key=OV8L2Y9I&results=details&index1=isbn&value1=0443074348") else {
    println!("{}", http.last_error_text());
    return;
};

let xml = chilkat::Xml::new();
let _ = xml.load_xml(&str_xml).is_ok();

// 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:
let _ = xml.first_child2().is_ok();
let _ = xml.first_child2().is_ok();

// Show the Title and AuthorsText:
println!("{}", xml.get_child_content("Title").unwrap_or_default());
println!("{}", xml.get_child_content("AuthorsText").unwrap_or_default());

// Show the publisher_id attribute of the PublisherText node:
let xml2 = xml.find_child("PublisherText").unwrap();
println!("{}", xml2.get_attr_value("publisher_id").unwrap_or_default());

// Save the XML to a file:
let _ = xml.save_xml("book.xml").is_ok();