Schematron: The complete course

Abstract

Detailed technical coverage of ISO Schematron. It covers all of the major features of Schematron, including design considerations and best practices. Numerous hands-on exercises are used to reinforce the lessons.

Duration

2-3 days

Schedule

To schedule a class, please contact us at pwalmsley@datypic.com.

Topics covered

Schematron: An overview
- What is Schematron?
- Comparison with other schema languages
- A simple Schematron example
Schematron basics
- Patterns
- Rules
- Assertions and reports
XPath expressions
- Axes
- Node tests
- Predicates
XPath functions and operators
- Built-in functions: An overview
- Comparison operators
- Boolean operators
- Arithmetic operators
- Conditional expressions
- Quantified expressions
Typical Assertions
- Checking for a particular value
- Checking for existence
- Checking for emptiness
- Checking for a particular data type
- Checking contents based on the value of an attribute
- If one exists, the other must exist
- If one exists, the other must not exist
Typical Contexts
- A particular element or attribute
- An element or attribute with a given parent
- An element or attribute with a given child
- An element or attribute with a given value
- Combining multiple contexts
Structuring your schema
- Separate patterns
- Distributing rules within patterns
- Distributing assertions/reports within rules
- Assert vs. report
- Using include
- Best practices
Dealing with namespaces
- Declaring namespaces
- Referencing qualified names
Using variables
- The let element
- Referencing variables
- Variables and scope
Error messages and diagnostics
- Writing useful error messages with value-of and name
- Using diagnostics
- Enhancing output using icon, fpi, see
- Further explaining using role and subject
- Structuring and styling output using p, span and title
Phases
Abstract patterns
- Abstract patterns
- Using parameters
- The extends element
Generating useful output
- Understanding SVRL
- Writing tools to generate reports from SVRL