pukiwiki/plugin/color.inc.php

<?php
/////////////////////////////////////////////////
// PukiWiki - Yet another WikiWikiWeb clone.
//
// $Id: color.inc.php,v 1.9 2004/07/31 03:09:20 henoheno Exp $
//
// Text color plugin

define('PLUGIN_COLOR_ALLOW_CSS', FALSE); // TRUE, FALSE

// ----
define('PLUGIN_COLOR_REGEX', '/^(#[0-9a-f]{6}|[a-z-]+)$/i');
function plugin_color_inline()
{
        static $usage = '&color(foreground[,background]){text};';
        global $html_transitional;

        $args = func_get_args();
        $text = array_pop($args); // htmlspecialchars(text)

        list($color, $bgcolor) = array_pad($args, 2, '');
        if ($text == '' && $bgcolor != '') {
                // Maybe the old style: '&color(foreground,text);'
                $text    = htmlspecialchars($bgcolor);
                $bgcolor = '';
        }
        if ($color == '' || $text == '' || func_num_args() > 3) return $usage;

        // Invalid color
        foreach(array($color, $bgcolor) as $col){
                if ($col != '' && ! preg_match(PLUGIN_COLOR_REGEX, $col))
                        return '&color():Invalid color: ' . htmlspecialchars($col) . ';';
        }

        if ($html_transitional === TRUE && PLUGIN_COLOR_ALLOW_CSS === TRUE) {
                if ($bgcolor != '') $bgcolor = ';background-color:' . $bgcolor;
                return '<span style="color:' . $color . $bgcolor . '">' . $text . '</span>';
        } else {
                // Using <font> tag with:
                //   NG: XHTML 1.1
                //   OK: XHTML 1.0 Transitional
                if ($bgcolor != '') return '&color(): bgcolor (with CSS) not allowd;';
                return '<font color="' . $color . '">' . $text . '</font>';
        }
}
?>