services.xml

<?xml version="1.0" ?>

<container xmlns="http://symfony.com/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">

    <parameters>
        <parameter key="css_to_inline_email_converter.class">RobertoTru\ToInlineStyleEmailBundle\Converter\ToInlineStyleEmailConverter</parameter>
        <parameter key="css_to_inline_email_twig_extension.class">RobertoTru\ToInlineStyleEmailBundle\Twig\InlineCssExtension</parameter>
        <parameter key="css_to_inline_email_twig_extension.web_root">%kernel.root_dir%/../web</parameter>
    </parameters>

    <services>
        <service id="css_to_inline_email_converter" class="%css_to_inline_email_converter.class%">
            <argument type="service" id="service_container" />
        </service>
        <service id="css_to_inline_email_twig_extension" class="%css_to_inline_email_twig_extension.class%">
            <argument type="service" id="css_to_inline_email_converter" />
            <argument type="service" id="file_locator" />
            <argument>%css_to_inline_email_twig_extension.web_root%</argument>
            <argument>%kernel.debug%</argument>
            <tag name="twig.extension" />
        </service>
    </services>
</container>