XPath and XPointer
John Simpson
- 出版商: O'Reilly
- 出版日期: 2002-09-03
- 售價: $1,380
- 貴賓價: 9.5 折 $1,311
- 語言: 英文
- 頁數: 210
- 裝訂: Paperback
- ISBN: 0596002912
- ISBN-13: 9780596002916
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相關主題
商品描述
Referring to specific information inside an XML document is a little like
finding a needle in a haystack: how do you differentiate the information you
need from everything else? XPath and XPointer are two closely related languages
that play a key role in XML processing by allowing developers to find these
needles and manipulate embedded information. XPath describes a route for finding
specific items by defining a path through the hierarchy of an XML document,
abstracting only the information that's relevant for identifying the data.
XPointer extends XPath to identify more complex parts of documents. The two
technologies are critical for developers seeking needles in haystacks in various
types of processing.
XPath and XPointer fills an essential need
for XML developers by focusing directly on a critical topic that has been
covered only briefly. Written by John Simpson, an author with considerable XML
experience, the book offers practical knowledge of the two languages that
underpin XML, XSLT and XLink. XPath and XPointer cuts through basic
theory and provides real-world examples that you can use right away.
Written for XML and XSLT developers and anyone else who needs to address
information in XML documents, the book assumes a working knowledge of XML and
XSLT. It begins with an introduction to XPath basics. You'll learn about
location steps and paths, XPath functions and numeric operators. Once you've
covered XPath in depth, you'll move on to XPointer--its background, syntax, and
forms of addressing. By the time you've finished the book, you'll know how to
construct a full XPointer (one that uses an XPath location path to address
document content) and completely understand both the XPath and XPointer features
it uses.
XPath and XPointer contains material on the forthcoming
XPath 2.0 spec and EXSLT extensions, as well as versions 1.0 of both XPath and
XPointer. A succinct but thorough hands-on guide, no other book on the market
provides comprehensive information on these two key XML technologies in one
place.
Table of Contents
Preface
1. Introducing XPath and XPointer
2. XPath Basics
3. Location Steps and Paths
4. XPath Functions and Numeric Operators
5. XPath in Action
6. XPath 2.0
7. XPointer Background
8. XPointer Syntax
9. XPointer Beyond XPath
A. Extension Functions for XPath in XSLT
Index