XML Schema

Eric van der Vlist, O'Reilly Media, Inc.

ISBN:0596002521, Edition: 1st, 2002-06-15

Price: $39.95

Table of Content

Table of Content ~ 2

Preface ~ 8
Who Should Read This Book? ~ 8
Who Should Not Read This Book? ~ 8
About the Examples ~ 8
Organization of This Book ~ 9
Conventions Used in This Book ~ 11
How to Contact Us ~ 11
Acknowledgments ~ 12

Chapter 1. Schema Uses and Development ~ 13
1.1 What Schemas Do for XML ~ 13
1.2 W3C XML Schema ~ 15

Chapter 2. Our First Schema ~ 17
2.1 The Instance Document ~ 17
2.2 Our First Schema ~ 18
2.3 First Findings ~ 24

Chapter 3. Giving Some Depth to Our First Schema ~ 26
3.1 Working From the Structure of the Instance Document ~ 26
3.2 New Lessons ~ 28

Chapter 4. Using Predefined Simple Datatypes ~ 32
4.1 Lexical and Value Spaces ~ 32
4.2 Whitespace Processing ~ 34
4.3 String Datatypes ~ 34
4.4 Numeric Datatypes ~ 42
4.5 Date and Time Datatypes ~ 45
4.6 List Types ~ 53
4.7 What About anySimpleType? ~ 53
4.8 Back to Our Library ~ 53

Chapter 5. Creating Simple Datatypes ~ 56
5.1 Derivation By Restriction ~ 56
5.2 Derivation By List ~ 73
5.3 Derivation By Union ~ 75
5.4 Some Oddities of Simple Types ~ 76
5.5 Back to Our Library ~ 79

Chapter 6. Using Regular Expressions to Specify Simple Datatypes ~ 82
6.1 The Swiss Army Knife ~ 82
6.2 The Simplest Possible Patterns ~ 82
6.3 Quantifying ~ 83
6.4 More Atoms ~ 84
6.5 Common Patterns ~ 92
6.6 Back to Our Library ~ 96

Chapter 7. Creating Complex Datatypes ~ 99
7.1 Simple Versus Complex Types ~ 99
7.2 Examining the Landscape ~ 99
7.3 Simple Content Models ~ 100
7.4 Complex Content Models ~ 103
7.5 Mixed Content Models ~ 127
7.6 Empty Content Models ~ 131
7.7 Back to Our Library ~ 133
7.8 Derivation or Groups ~ 138

Chapter 8. Creating Building Blocks ~ 139
8.1 Schema Inclusion ~ 139
8.2 Schema Inclusion with Redefinition ~ 141
8.3 Other Alternatives ~ 146
8.4 Simplifying the Library ~ 148

Chapter 9. Defining Uniqueness, Keys, and Key References ~ 153
9.1 xs:ID and xs:IDREF ~ 153
9.2 XPath-Based Identity Checks ~ 154
9.3 ID/IDREF Versus xs:key/xs:keyref ~ 161
9.4 Using xs:key and xs:unique As Co-occurrence Constraints ~ 163

Chapter 10. Controlling Namespaces ~ 166
10.1 Namespaces Present Two Challenges to Schema Languages ~ 166
10.2 Namespace Declarations ~ 169
10.3 To Qualify Or Not to Qualify? ~ 171
10.4 Disruptive Attributes ~ 177
10.5 Namespaces and XPath Expressions ~ 178
10.6 Referencing Other Namespaces ~ 179
10.7 Schemas for XML, XML Base and XLink ~ 182
10.8 Namespace Behavior of Imported Components ~ 188
10.9 Importing Schemas with No Namespaces ~ 190
10.10 Chameleon Design ~ 192
10.11 Allowing Any Elements or Attributes from a Particular Namespace ~ 194

Chapter 11. Referencing Schemas and Schema Datatypes in XML Documents ~ 197
11.1 Associating Schemas with Instance Documents ~ 197
11.2 Defining Element Types ~ 201
11.3 Defining Nil (Null) Values ~ 206
11.4 Beware the Intrusive Nature of These Features ~ 208

Chapter 12. Creating More Building Blocks Using Object-Oriented Features ~ 209
12.1 Substitution Groups ~ 209
12.2 Controlling Derivations ~ 217

Chapter 13. Creating Extensible Schemas ~ 225
13.1 Extensible Schemas ~ 225
13.2 The Need for Open Schemas ~ 233

Chapter 14. Documenting Schemas ~ 236
14.1 Style Matters ~ 236
14.2 The W3C XML Schema Annotation Element ~ 237
14.3 Foreign Attributes ~ 242
14.4 XML 1.0 Comments ~ 244
14.5 Which One and What For? ~ 244

Chapter 15. Elements Reference Guide ~ 246
xs:all(outside a group) ~ 247
xs:all(within a group) ~ 249
xs:annotation ~ 250
xs:any ~ 252
xs:anyAttribute ~ 255
xs:appinfo ~ 257
xs:attribute(global definition) ~ 260
xs:attribute(reference or local definition) ~ 262
xs:attributeGroup(global definition) ~ 265
xs:attributeGroup(reference) ~ 266
xs:choice(outside a group) ~ 267
xs:choice(within a group) ~ 269
xs:complexContent ~ 270
xs:complexType(global definition) ~ 272
xs:complexType(local definition) ~ 274
xs:documentation ~ 276
xs:element(global definition) ~ 278
xs:element(within xs:all) ~ 282
xs:element(reference or local definition) ~ 285
xs:enumeration ~ 289
xs:extension(simple content) ~ 291
xs:extension(complex content) ~ 293
xs:field ~ 295
xs:fractionDigits ~ 297
xs:group(definition) ~ 299
xs:group(reference) ~ 301
xs:import ~ 303
xs:include ~ 306
xs:key ~ 308
xs:keyref ~ 310
xs:length ~ 314
xs:list ~ 316
xs:maxExclusive ~ 318
xs:maxInclusive ~ 320
xs:maxLength ~ 322
xs:minExclusive ~ 324
xs:minInclusive ~ 326
xs:minLength ~ 328
xs:notation ~ 330
xs:pattern ~ 332
xs:redefine ~ 334
xs:restriction(simple type) ~ 336
xs:restriction(simple content) ~ 338
xs:restriction(complex content) ~ 340
xs:schema ~ 342
xs:selector ~ 344
xs:sequence(outside a group) ~ 346
xs:sequence(within a group) ~ 348
xs:simpleContent ~ 349
xs:simpleType(global definition) ~ 350
xs:simpleType(local definition) ~ 352
xs:totalDigits ~ 354
xs:union ~ 356
xs:unique ~ 358
xs:whiteSpace ~ 360

Chapter 16. Datatype Reference Guide ~ 362
xs:anyURI ~ 363
xs:base64Binary ~ 365
xs:boolean ~ 367
xs:byte ~ 368
xs:date ~ 369
xs:dateTime ~ 371
xs:decimal ~ 373
xs:double ~ 374
xs:duration ~ 376
xs:ENTITIES ~ 378
xs:ENTITY ~ 380
xs:float ~ 381
xs:gDay ~ 383
xs:gMonth ~ 385
xs:gMonthDay ~ 387
xs:gYear ~ 389
xs:gYearMonth ~ 390
xs:hexBinary ~ 392
xs:ID ~ 394
xs:IDREF ~ 396
xs:IDREFS ~ 398
xs:int ~ 400
xs:integer ~ 402
xs:language ~ 403
xs:long ~ 404
xs:Name ~ 405
xs:NCName ~ 406
xs:negativeInteger ~ 407
xs:NMTOKEN ~ 408
xs:NMTOKENS ~ 409
xs:nonNegativeInteger ~ 411
xs:nonPositiveInteger ~ 412
xs:normalizedString ~ 413
xs:NOTATION ~ 415
xs:positiveInteger ~ 417
xs:QName ~ 418
xs:short ~ 420
xs:string ~ 421
xs:time ~ 423
xs:token ~ 424
xs:unsignedByte ~ 426
xs:unsignedInt ~ 427
xs:unsignedLong ~ 428
xs:unsignedShort ~ 429

Appendix A. XML Schema Languages ~ 430
A.1 What Is a XML Schema Language? ~ 430
A.2 Classification of XML Schema Languages ~ 430
A.3 A Short History of XML Schema Languages ~ 430
A.4 Sample Application ~ 430
A.5 XML DTDs ~ 430
A.6 W3C XML Schema ~ 430
A.7 RELAX NG ~ 430
A.8 Schematron ~ 430
A.9 Examplotron ~ 430
A.10 Decisions ~ 430
A.1 What Is a XML Schema Language? ~ 431
A.2 Classification of XML Schema Languages ~ 433
A.3 A Short History of XML Schema Languages ~ 434
A.4 Sample Application ~ 437
A.5 XML DTDs ~ 439
A.6 W3C XML Schema ~ 440
A.7 RELAX NG ~ 441
A.8 Schematron ~ 444
A.9 Examplotron ~ 445
A.10 Decisions ~ 446

Appendix B. Work in Progress ~ 448
B.1 W3C Projects ~ 448
B.2 ISO: DSDL ~ 450
B.3 Other ~ 450

Glossary ~ 453
A ~ 453
B ~ 454
C ~ 454
D ~ 456
E ~ 458
F ~ 459
G ~ 459
I ~ 460
L ~ 460
M ~ 461
N ~ 461
P ~ 462
Q ~ 463
R ~ 463
S ~ 464
T ~ 466
U ~ 467
V ~ 468
W ~ 468
X ~ 470

Colophon ~ 473