AVR32 Linux·TWiki·TWikiIfDotPm
...discover TWiki details, and how to start your own site.

View | r1.1

Navigation

Main

  • WhatsNew?
  • HowTo?
  • LinuxKernel?
  • DasUBoot?
  • uClibc?
  • DevelopmentTools?
  • LinuxApplications?
  • MailingLists?
  • Links?

User

  • Accounts?
  • Groups?
  • Index?
  • Changes?
  • Notifications?
  • Statistics?
  • Preferences?

Support

  • User's Guide?
  • Reference Manual?
  • FAQs?
  • Glossary?
  • Index?
  • Changes?
  • Notifications?
  • Statistics?
  • Preferences?

Sandbox

System

TestCases

  • Create Test?
  • Index?
  • Statistics?
  • Preferences?

Trash

TWikiIfDotPm 1 - 01 Feb 2006 - Main.TWikiContributor
Line: 1 to 1
Added:
>
>

Package TWiki::If

Support for the conditions in %IF{} statements. Basically a simple stack-based parser for infix expressions that generates a parse tree that can subsequently be evaluated.

ClassMethod new (\%operators) -> \%factory

Construct a new if node factory.
  • \%operators reference to a hash of operators.
Each operator must have the following fields: prec (precedence) type (0 unary 1 binary) exec (ref to a function to execute). If not provided, the default set of boolean operations supported by %IF is used.

ObjectMethod evaluate ($twiki) -> $result

Execute the parse node.

!!!new!!!

ObjectMethod parse ($string) -> \$if

  • $string - string containing an expression to parse
Construct a new search node by parsing the passed expression. Return the new object.

Revision 1 r1 - 01 Feb 2006 - 12:01 - TWikiContributor
Copyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries.
Atmel®, AVR® and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries.
All other trademarks are the property of their respective owners.
Note: Please contribute updates to this topic on TWiki.org at TWiki:TWiki.TWikiIfDotPm
Powered by Wed, 08 Feb 2006 build 8740
Syndicate this site