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Alan Ferrency > Text-MicroMason-2.13 > Text::MicroMason::TemplatePath



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Text::MicroMason::TemplatePath - Template Path Searching


Instead of using this class directly, pass its name to be mixed in:

    use Text::MicroMason;
    my $mason = Text::MicroMason->new( -TemplatePath, template_path => [ '/foo', '/bar' ] );

Use the standard compile and execute methods to parse and evalute templates:

  print $mason->compile( file=>$filepath )->( 'name'=>'Dave' );
  print $mason->execute( file=>$filepath, 'name'=>'Dave' );

Templates stored in files are searched for in the specified template_path:

    print $mason->execute( file=>"includes/greeting.msn", 'name'=>'Charles');

When including other files into a template you can use relative paths:

    <& ../includes/greeting.msn, name => 'Alice' &>

When a file is included in the template, the including template's current directory is added to the beginning of the template search path.


This module works similarly to the related TemplateDir mix-in. However, instead of specifying a single root which must contain all templates, TemplatePath allows you to specify an arrayref of directories which will be searched in order whenever a template filename must be resolved.

Using a TemplatePath object, absolute filenames are used as-is. If a relative template filenames or file paths is used, every directory in the specified template_path is checked for the existence of the template, and the first existing template file is used.

If a template includes another template using <& ... &>, then the including template's location is added to the beginning of the template search path list, for the resolution of the included template's filename. This allows the included template to be specified relative to the including template, but also lets the template search fall back to the configured template search path if necessary.

Supported Attributes


An array ref containing a list of directories in which to search for relative template filenames.


Optional directory beyond which not to read files. Unlike TemplateDir, this must be a specific file path. Causes read_file to croak if any filename outside of the root is provided. You should make sure that all paths specified in template_path are inside the specified strict_root. (Note that this is not a chroot jail and only affects attempts to load a file as a template; for greater security see the chroot() builtin and Text::MicroMason::Safe.)

Private Methods


Intercepts file access to check for strict_root.


The following additional exceptions are generated by Text::MicroMason::TemplatePath when appropriate:


For an overview of this templating framework, see Text::MicroMason.

This is a mixin class intended for use with Text::MicroMason::Base.

For distribution, installation, support, copyright and license information, see Text::MicroMason::Docs::ReadMe.

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