January 2004
Intermediate to advanced
464 pages
9h 59m
English
Content preview from C++ GUI Programming with Qt 3Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 14. XML
XML (Extensible Markup Language) is a text file format that is popular for data interchange and for data storage.
Qt provides two distinct APIs for processing XML documents:
SAX (Simple API for XML) reports parsing events directly to the application through virtual functions.
DOM (Document Object Model) converts an XML document into a tree structure, which the application can then navigate.
There are many factors to take into account when choosing between DOM and SAX for a particular application. SAX is more low-level and usually faster, which makes it especially appropriate both for simple tasks (like finding all occurrences of a given tag in an XML document) and for reading very ...
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