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.\" ========================================================================
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.\" ========================================================================
.\"
.IX Title "Template::Plugin::XML::Style 3pm"
.TH Template::Plugin::XML::Style 3pm "2008-03-01" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Template::Plugin::XML::Style \- Simple XML stylesheet transfomations
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 9
\& [% USE xmlstyle
\& table = {
\& attributes = {
\& border = 0
\& cellpadding = 4
\& cellspacing = 1
\& }
\& }
\& %]
.Ve
.PP
.Vb 7
\& [% FILTER xmlstyle %]
\&
\& [% END %]
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This plugin defines a filter for performing simple stylesheet based
transformations of \s-1XML\s0 text.
.PP
Named parameters are used to define those \s-1XML\s0 elements which require
transformation. These may be specified with the \s-1USE\s0 directive when
the plugin is loaded and/or with the \s-1FILTER\s0 directive when the plugin
is used.
.PP
This example shows how the default attributes \f(CW\*(C`border="0"\*(C'\fR and
\&\f(CW\*(C`cellpadding="4"\*(C'\fR can be added to elements.
.PP
.Vb 8
\& [% USE xmlstyle
\& table = {
\& attributes = {
\& border = 0
\& cellpadding = 4
\& }
\& }
\& %]
.Ve
.PP
.Vb 5
\& [% FILTER xmlstyle %]
\&
\& [% END %]
.Ve
.PP
This produces the output:
.PP
.Vb 3
\&
.Ve
.PP
Parameters specified within the \s-1USE\s0 directive are applied
automatically each time the \f(CW\*(C`xmlstyle\*(C'\fR \s-1FILTER\s0 is used. Additional
parameters passed to the \s-1FILTER\s0 directive apply for only that block.
.PP
.Vb 8
\& [% USE xmlstyle
\& table = {
\& attributes = {
\& border = 0
\& cellpadding = 4
\& }
\& }
\& %]
.Ve
.PP
.Vb 13
\& [% FILTER xmlstyle
\& tr = {
\& attributes = {
\& valign="top"
\& }
\& }
\& %]
\&
\& [% END %]
.Ve
.PP
Of course, you may prefer to define your stylesheet structures once
and simply reference them by name. Passing a hash reference of named
parameters is just the same as specifying the named parameters as far
as the Template Toolkit is concerned.
.PP
.Vb 13
\& [% style_one = {
\& table = { ... }
\& tr = { ... }
\& }
\& style_two = {
\& table = { ... }
\& td = { ... }
\& }
\& style_three = {
\& th = { ... }
\& tv = { ... }
\& }
\& %]
.Ve
.PP
.Vb 1
\& [% USE xmlstyle style_one %]
.Ve
.PP
.Vb 3
\& [% FILTER xmlstyle style_two %]
\& # style_one and style_two applied here
\& [% END %]
.Ve
.PP
.Vb 3
\& [% FILTER xmlstyle style_three %]
\& # style_one and style_three applied here
\& [% END %]
.Ve
.PP
Any attributes defined within the source tags will override those
specified in the style sheet.
.PP
.Vb 3
\& [% USE xmlstyle
\& div = { attributes = { align = \(aqleft\(aq } }
\& %]
.Ve
.PP
.Vb 4
\& [% FILTER xmlstyle %]
\& foo
\& bar
\& [% END %]
.Ve
.PP
The output produced is:
.PP
.Vb 2
\& foo
\& bar
.Ve
.PP
The filter can also be used to change the element from one type to
another.
.PP
.Vb 13
\& [% FILTER xmlstyle
\& th = {
\& element = \(aqtd\(aq
\& attributes = { bgcolor=\(aqred\(aq }
\& }
\& %]
\&
\& | Heading |
\&
\&
\& | Value |
\&
\& [% END %]
.Ve
.PP
The output here is as follows. Notice how the end tag
\&\f(CW\*(C`\*(C'\fR is changed to \f(CW\*(C`\*(C'\fR as well as the start
tag.
.PP
.Vb 6
\&
\& | Heading |
\&
\&
\& | Value |
\&
.Ve
.PP
You can also define text to be added immediately before or after the
start or end tags. For example:
.PP
.Vb 21
\& [% FILTER xmlstyle
\& table = {
\& pre_start = \(aq\(aq
\& post_end = \(aq
\(aq
\& }
\& th = {
\& element = \(aqtd\(aq
\& attributes = { bgcolor=\(aqred\(aq }
\& post_start = \(aq\(aq
\& pre_end = \(aq\(aq
\& }
\& %]
\&
\&
\& | Heading |
\&
\&
\& | Value |
\&
\&
\& [% END %]
.Ve
.PP
The output produced is:
.PP
.Vb 10
\&
\&
\&
\& | Heading |
\&
\&
\& | Value |
\&
\&
\&