60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
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// Designed to be run from Node.js - i.e. "node example.js"
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var XmlDocument = require('../lib/xmldoc').XmlDocument;
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// Demonstrate parsing an in-memory XML string
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var xmlString = '<suggestions><book title="Twilight"/><book title="Twister"/></suggestions>';
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var suggestions = new XmlDocument(xmlString);
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// Demonstrate how toString() will pretty-print the XML for debugging
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console.log("Parsed: \n%s", suggestions);
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// Demonstrate a simple eachChild() loop, printing our book titles
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suggestions.eachChild(function(book) {
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console.log("Found book with title: '%s'", book.attr.title);
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console.log("==> The <book> tag started at position %s and the complete element ended at line %s, column %s, position %s.", book.startTagPosition, book.line, book.column, book.position);
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});
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// Now load an XML file from disk and parse it
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var fs = require('fs'),
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path = require('path');
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fs.readFile(path.join(__dirname, "test.xml"), 'utf8', function (err,data) {
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if (err) {
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return console.log(err);
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}
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// Parse the XML
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var results = new XmlDocument(data);
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// Demonstrate toString() with an option to abbreviate long strings and compress the output
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console.log("Parsed: \n%s", results.toString({trimmed:true, compressed:true}));
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// Pull out the <books> node
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var books = results.childNamed("books");
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// Demonstrate firstChild/lastChild
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console.log("First book has ISBN '%s', last book has ISBN '%s'", books.firstChild.attr.isbn, books.lastChild.attr.isbn);
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// Print out the ISBNs
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books.eachChild(function (book) {
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console.log("Found book with ISBN '%s'", book.attr.isbn);
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});
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// Look for all children with a certain node name
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var allBooks = books.childrenNamed("book");
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// The result is an array of <book> XmlElement instances
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console.log("Found %s books.", allBooks.length);
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// Search for a particular book
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var twilight = books.childWithAttribute("isbn","478-2-23-765712-2");
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// Result is a single XmlElement instance for <book>
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console.log("Title of book with given ISBN: '%s'", twilight.valueWithPath("title"));
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return null;
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});
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