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NAME

Dancer::Template::Abstract - abstract class for Dancer's template engines

DESCRIPTION

This class is provided as a base class for each template engine. Any template engine must inherit from it and provide a set of methods described below.

INTERFACE

init()

The template engine can overload this method if some initialization stuff has to be done before the template engine is used.

The base class provides a plain init() method that only returns true.

render($self, $template, $tokens)

This method must be implemented by the template engine. Given a template and a set of tokens, it returns a processed string.

If $template is a reference, it's assumed to be a reference to a string that contains the template itself. If it's not a reference, it's assumed to be the path to template file, as a string. The render method will then have to open it and read its content (Dancer::FileUtils::read_file_content does that job).

This method's return value must be a string which is the result of the interpolation of $tokens in $template.

If an error occurs, the method should trigger an exception with die().

Examples :

    # with a template as a file
    $content = $engine->render('/my/template.txt', { var => 42 };

    # with a template as a scalar
    my $template = "here is <% var %>";
    $content = $engine->render(\$template, { var => 42 }); 

AUTHOR

This module has been written by Alexis Sukrieh, see Dancer for details.