NAME
VERSION
Version 1.0
DESCRIPTION
The library uHTML::uTags provides tags and functions to check the existence of an particular uHTML-tag or function. This library is thought mainly as a debug tool for the designer and rarely of practical use in working websites.
Requirements
The uHTML::uTags library requires the uHTML::listfuncs library and the main uHTML library.
uHTML tags provided by the uHTML::uTags library
ListTags
Overview
The ListTags tag lists all uHTML tags with associated program code.
Attributes
head="text"
The attribute head defines the text preceding the tag list.
join="text"
The attribute join defines the text between two consecutive tag names.
tail="text"
The attribute tail defines the text following the tag list.
Example
<ListTags head="Known tags: " join=", " tail=".">ListVars
Overview
The ListVars tag lists all known uHTML attribute variables.
Attributes
head="text"
The attribute head defines the text preceding the variables list.
join="text"
The attribute join defines the text between two consecutive variables names.
tail="text"
The attribute tail defines the text following the variables list.
Example
<ListVars head="Known variables: " join=", " tail=".">TestTag
Overview
The TestTag tag tests if a particular uHTML tag has program code associated with it.
Attributes
name="text"
Name of the tested tag.
msg="text"
Message displayed in case the tag name has code connected to it.
Example
<TestTag name="if" msg="<b>if</b> is defined.">TestVar
Overview
The TestVar tag tests if a particular uHTML attribute variable is known.
Attributes
name="text"
Name of the tested variable.
msg="text"
Message displayed in case the variable name is known.
Example
<TestVar name="RepeatValue" msg="<b>RepeatValue</b> is defined as variable.">
Attribute variables and functions provided by the uHTML::uTags library
$ListTags(head,join,tail)
Overview
The ListTags function returns a list of all uHTML tags associated with program code.
Parameters
head
The parameter head defines the text preceding the tag list.
join
The parameter join defines the text between two consecutive tag names.
tail
The parameter tail defines the text following the tag list.
Example
<uList elements="$ListTags('',',','')">
...
</uList>$ListVars(head,join,tail)
Overview
The ListVars function returns a list of all known uHTML attribute variables.
Parameters
head
The parameter head defines the text preceding the variables list.
join
The parameter join defines the text between two consecutive variables names.
tail
The parameter tail defines the text following the variables list.
Example
<uList elements="$ListVars('',',','')">
...
</uList>$TestTag(name,ret)
Overview
The $TestTag function tests if a particular uHTML tag has program code associated with it.
Parameters
name
Name of the tested tag.
msg
Value returned in case the tag name has code connected to it.
Example
<if cond="$TestTag(include,1)">Tag "include" is defined.</if>$TestVar(name,ret)
Overview
The $TestVar function tests if a particular uHTML attribute variable is known.
Parameters
name
Name of the tested attribute variable.
ret
Value returned in case the attribute variable name is known.
Example
<if cond="$TestVar(RepeatValue,1)">RepeatValue is defined.</if>SEE ALSO
perl(1), uHTML, uHTML::ListFuncs, http://www.uhtml.de/en/doc/uTags.uhtml
AUTHOR
Roland Mosler (Roland.Mosler@Place.Ug)
COPYRIGHT
Copyright 2009 Roland Mosler. All rights reserved.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.