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37 PointedEar 1 
<?php
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namespace de\pointedears\css\least;
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/**
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 * Mix-ins for the LEAST CSS preprocessor
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 *
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 * @author Thomas 'PointedEars' Lahn &lt;php@PointedEars.de&gt;
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 */
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abstract class Mixins
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{
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        /** @section General functions */
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  /**
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   * Generates a CSS section for each keyword prefix.
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   *
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   * @param string $keyword
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   *  Section keyword
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   * @param string $params
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   *   Section parameters (name, medium, etc.)
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   * @param string $content
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   *   Section content
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   * @param array[string] $prefixes
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   *   Keyword prefixes
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   */
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        public static function prefix_section ($keyword, $params,
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          $content, array $prefixes)
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  {
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    ob_start();
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    foreach ($prefixes as $prefix)
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    {
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      echo "@{$prefix}{$keyword} {$params} {\n  {$content}\n}\n";
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    }
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    ob_end_flush();
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        }
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  /**
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   * Generates a CSS property declaration whose value is a
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   * function call, for each function name prefix.
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   *
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   * @param string $property
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   *   Property to be declared
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   * @param string $function
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   *   CSS function to be called
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   * @param string $args
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   *   Arguments to the function
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   * @param array[string] $prefixes
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   *   Function name prefixes
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   */
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  public static function prefix_function ($property, $function, $args,
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    array $prefixes)
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  {
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    ob_start();
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    foreach ($prefixes as $prefix)
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    {
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      echo "{$property}: {$prefix}{$function}({$args});\n";
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    }
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    ob_end_flush();
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  }
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  /**
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   * Generates a CSS property declaration for each
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   * property name prefix.
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   *
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   * @param string $suffix
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   *   Property name suffix
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   * @param string $value
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   *   Property value
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   * @param array[string] $prefixes
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   *   Property name prefixes
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   */
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  public static function prefix_property ($property, $suffix, $value,
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    array $prefixes)
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  {
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    ob_start();
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    foreach ($prefixes as $prefix)
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    {
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      echo "{$prefix}{$property}{$suffix}: {$value};\n";
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    }
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    ob_end_flush();
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  }
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        /** @section Gradients */
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  /**
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   * Generates a CSS property declaration whose value is a
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   * <code>linear-gradient()</code> function call for
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   * each function name prefix.
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   *
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   * @param string $property
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   *   Property to be declared
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   * @param string $args
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   *   Arguments to the <code>linear-gradient()</code> function
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   * @param array[string] $prefixes (optional)
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   *   Pass to override supported function name prefixes
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   * @see self::prefix_function()
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   */
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  public static function linear_gradient ($property, $args,
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    array $prefixes = array('-moz-', '-o-', '-webkit-', ''))
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  {
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    self::prefix_function($property, 'linear-gradient', $args, $prefixes);
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        }
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  /**
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   * Generates a CSS property declaration whose value is a
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   * <code>radial-gradient()</code> function call for each
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   * function name prefix.
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   *
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   * @param string $property
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   *   Property to be declared
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   * @param string $args
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   *   Arguments to the <code>radial-gradient()</code> function
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   * @param array[string] $prefixes (optional)
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   *   Pass to override supported function name prefixes
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   * @see self::prefix_function()
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   */
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        public static function radial_gradient ($property, $args,
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    array $prefixes = array('-moz-', '-webkit-'))
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  {
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    self::prefix_function($property, 'radial-gradient', $args, $prefixes);
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        }
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  /**
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   * Generates a CSS <code>transition</code> property declaration
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   * for each property name prefix.
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   *
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   * @param string $suffix
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   *   Property name suffix
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   * @param string $value
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   *   Property value
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   * @param array[string] $prefixes (optional)
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   *   Pass to override supported property name prefixes
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   * @see self::prefix_property()
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   */
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        public static function transition ($suffix, $value,
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    array $prefixes = array('-moz-', '-webkit-', ''))
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  {
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    self::prefix_property('transition', $suffix, $value, $prefixes);
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        }
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        /** @section Animations */
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  /**
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   * Generates a CSS <code>@keyframes</code> section for
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   * each keyword prefix.
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   *
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   * @param string $name
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   *   Animation name as referred by an <code>animation-name</code>
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   *   property value.
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   * @param string $data
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   *   Keyframes data
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   * @param array[string] $prefixes (optional)
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   *   Pass to override supported keyword prefixes
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   * @see self::prefix_section()
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   */
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        public static function keyframes ($name, $data,
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    array $prefixes = array('-moz-', '-webkit-', ''))
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  {
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    self::prefix_section('keyframes', $name, $data, $prefixes);
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        }
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  /**
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   * Generates a CSS <code>animation</code> property declaration
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   * for each property name prefix.
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   *
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   * @param string $suffix
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   *   Property name suffix, e.g. <tt>"-name"</tt> for
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   *   <code>animation-name</code>
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   * @param string $value
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   *   Property value
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   * @param array[string] $prefixes (optional)
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   *   Pass to override supported property name prefixes
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   * @see self::prefix_property()
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   */
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        public static function animation ($suffix, $value,
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    array $prefixes = array('-moz-', '-webkit-', ''))
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  {
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    self::prefix_property('animation', $suffix, $value, $prefixes);
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        }
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}