XML Tutorial

Tim Cole, Tom Habing

Description

XML Tutorial
Thomas G. Habing
Grainger Engineering Library
Information Center
E-Text Working Group
2004-01-15Presenters
Tom Habing
Research Programmer, Grainger Engineering
Library Information Center
[e-mail]
XML Tutorial
2004-01-
15
Tom Hab
i
ng
2Agenda –
X
ML Tutorial
1.
Well-formed XML (basic markup)
2.
DTDs
and schemas
3.
Stylesheets
4.
XML and databases
Topics include illustrations, demos, and exercises.
XML Tutorial
2004-01-
15
Tom Hab
i
ng
3






1.
Well-formed XML
XML 1.0 Specification
Markup
Prolog & Document Type Declaration
Elements
Attributes
Content
Entities
Encoded (Unicode) characters
XML Tutorial
2004-01-
15
Tom Hab
i
ng
4




Prolog & Document Type Definition
XML documents should begin with an XML
Declaration which specifies version
Optionally may also include:
Encoding (recommended)
Stand-alone declaration
Document Type Definition is typically next


XML Tutorial
2004-01-
15
Tom Hab
i
ng
5





Elements
Elements are markup that enclose content
…
or
Content models
Parsed Character Data Only
Child Elements Only
Mixed
Empty

Cole, T

XML Tutorial
2004-01-
15
Tom Hab
i
ng
6



Attributes
Associate a name-value pair with an element
name2='value2'>…
Can be used to embellish content…
or to associate added content to an ...

Sujets

• Tommy
• Document Type Definition
• Extensible Stylesheet Language Transformations
• Éléments du groupe 6
• XML Schema
• Créatorrhée

Informations

• Publié par: Nozur
• Nombre de lectures: 207
• Langue: English

Extrait

XML Tutorial

Thomas G. Habing

Grainger Engineering Library Information Center

E-Text Working Group 2004-01-15

Presenters

Tom Habing

Research Programmer, Grainger Engineering Library Information Center

[e-mail]

2004-01-15

XML Tutorial Tom Habing

2

1.

2.

3.

4.

Agenda –XML Tutorial

Well-formed XML (basic markup)

DTDs and schemas

Stylesheets

XML and databases

Topics include illustrations, demos, and exercises.

2004-01-15

XML Tutorial Tom Habing

3

1.

Well-formed XML

XML 1.0 Specification

„ Markup

„ Prolog & Document Type Declaration

„ Elements

„ Attributes

„ Content

„ Entities

„ Encoded (Unicode) characters

2004-01-15

XML Tutorial Tom Habing

4

„

„

Prolog & Document Type Definition

XML documents should begin with an XML Declaration which specifies version „ Optionally may also include: „ Encoding (recommended) „ Stand-alone declaration

Document Type Definition is typically next

<?xml version="1.0" encoding='UTF-8' standalone='no' ?>

<!DOCTYPE root SYSTEM "myDocs.dtd" >

2004-01-15

XML Tutorial Tom Habing

5

Elements

Elements are markup that enclose content

„ <element name>…</element name> _ _ or <element name /> _

„ Content models „ Parsed Character Data Only „ Child Elements Only „ Mixed „ Empty

<author>Cole, T</author>

2004-01-15

XML Tutorial Tom Habing

6

Attributes

Associate a name-value pair with an element „ <tag name1="value1" name2='value2'>…</tag> „ Can be used to embellish content… „ to associate added content to an elementor „ Attributes beginning XML are reserved

<author order='1'>Cole, T</author> <author name='Habing, T'/>

2004-01-15

XML Tutorial Tom Habing

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Entities

„ Placeholders for internal or external content „ Placeholder for a single character… „ or string of text… „ or external content (images, audio, etc.) „ Implementation specifics may vary

<!ENTITY copyright "&#xA9;" > &copyright; is replaced by © <!ENTITY pic SYSTEM "mugshot.gif" NDATA gif > &pic; is replaced by graphic image

2004-01-15

XML Tutorial Tom Habing

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„

„

„

„

Character Encoding Issues

XML Parsers must acceptUTF-8&UTF-16

Also must accept&#nnnn;or&#xhhhh;

MARC-8 encodings must be converted to Unicode for use in XML

Special rules for EOL and control characters „ Changes will be effective version 1.1

http://lcweb.loc.gov/marc/specifications/specchartables.html

2004-01-15

XML Tutorial Tom Habing

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Namespaces

„ Qualify element and attribute names „ Allows modularization of schemas „  ultiMix and match element le in document instances  s from m p schemas „   htr m e Ime aniot iXnMcLl uSdceh pforromt  oonre  ano

_ <oai:metadata xmlns:oai='http:…' xmlns:oai dc='…' xmlns:dc='…'> <oai dc:dc> _ <dc:title>…</dc:title> <dc:creator>…</dc:creator>

02400--115 XM To L  m T   u H t a o b r i ia n l g10

ZVON Tutorial

http://www.zvon.org/xxl/XMLTutorial/General/contents.html

2004-01-15

XML Tutorial Tom Habing

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