Class: ConcretePattern (in XML)

• Inheritance
• Description
• Instance protocol
  • accessing
  • coercing
  • testing
  • validation

Inheritance:

   Object
   |
   +--XML::Pattern
      |
      +--XML::ConcretePattern
         |
         +--XML::AnyPattern
         |
         +--XML::EmptyPattern
         |
         +--XML::InitialPattern
         |
         +--XML::NamePattern
         |
         +--XML::PCDATAPattern
         |
         +--XML::TerminalPattern

Package:

stx:goodies/xml/vw

Category:

XML-VW-Patterns

Version:

rev: 1.10 date: 2023/09/07 21:43:21

user: stefan

file: ConcretePattern.st directory: goodies/xml/vw

module: stx stc-classLibrary: vw

Description:

This class is the superclass to what are considered 'simple' patterns or constraint rules in the element content declarations. These are pattern elements that cannot be decomposed into other pattern elements. As seen from the class hiererarchy, instances of simple patterns include AnyPattern, EmptyPattern, InitialPattern, NamePattern, PCDATAPattern and TerminalPattern.

Subclasses must implement the following messages:
	testing
		matches:

Instance protocol:

 followSetDescription

 alternateHeads

 pushDownFollowSet

 canTerminate

 couldBeText

 isSimple

 isTerminator

 matches: aNode

** This method must be redefined in concrete classes (subclassResponsibility) **

 validate: node