11-13-2008
There are a number of free parsers available for UNIX platforms. The most common is probally the one associated with libxslt2 i.e. xsltproc.
BTW, If your input document is that large and causing the problems you describe, I suggest you use a SAX or SiAX processor instead of a DOM-based processor. If you have access to IEEE Computer Society proceedings, there was an article in the Sept 2008 edition of Computer by Lam, Ding, and Liu on XML Document parsing performance characteristics which gives more information and benchmarks.
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LEARN ABOUT MOJAVE
libxml
libxml(3) Library Functions Manual libxml(3)
NAME
libxml - library used to parse XML files
DESCRIPTION
The libxml library is used to parse XML files. Its internal document representation is as close as possible to the DOM (Document Object
Model) interface, an API for accessing XML or HTML structured documents.
The libxml library also has a SAX-like interface, which is designed to be compatible with expat(1). NOTE: SAX, the Simple API for XML, is
a standard interface for event-based XML parsing, developed collaboratively by the members of the XML-DEV mailing list, currently hosted by
OASIS. The expat library is a XML 1.0 parser written in C, which aims to be fully conforming. It is currently not a validating XML pro-
cessor.
The libxml library now includes a nearly complete XPath implementation. The XPath (XML Path Language) is a language for addressing parts
of an XML document, designed to be used by both XSLT and XPointer.
The libxml library exports Push and Pull type parser interfaces for both XML and html.
FILES
/depot/lib/libxml_2.0.0/libxml.a
static library
/depot/lib/libxml_2.0.0/libxml.so
shared library
/depot/package/libxml_2.0.0/bin/xmllint
binary application for parsing XML files
AUTHORS
Daniel Veillard (daniel@veillard.com). Red Hat Inc. Manual page by Ziying Sherwin (sherwin@nlm.nih.gov), Lister Hill National Center for
Biomedical Communications, U.S. National Library of Medicine.
SEE ALSO
xmllint(1), libxslt(3), libexslt(3), xsltproc(1)
12 April 2000 libxml(3)