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https://gitlab.com/harald.mueller/aktuelle.kurse.git
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352 lines
10 KiB
PHP
352 lines
10 KiB
PHP
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Adam Daniel <adaniel1@eesus.jnj.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Common.php,v 1.14.2.1 2002/04/09 19:04:19 ssb Exp $
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/**
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* Base class for all HTML classes
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*
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* @author Adam Daniel <adaniel1@eesus.jnj.com>
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* @version 1.6
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* @since PHP 4.0.3pl1
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* @abstract
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*/
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class HTML_Common {
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/**
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* Associative array of table attributes
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* @var array
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* @access private
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*/
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var $_attributes = array();
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/**
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* Tab offset of the table
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* @var int
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* @access private
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*/
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var $_tabOffset = 0;
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/**
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* HTML comment on the object
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* @var string
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* @since 1.5
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* @access private
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*/
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var $_comment = "";
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/**
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* Class constructor
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* @param mixed $attributes Associative array of table tag attributes
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* or HTML attributes name="value" pairs
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* @access public
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*/
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function HTML_Common($attributes=null, $tabOffset=0)
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{
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$this->setTabOffset($tabOffset);
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$this->setAttributes($attributes);
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} // end constructor
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/**
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* Returns the current API version
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* @access public
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* @returns double
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*/
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function apiVersion()
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{
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return 1.6;
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} // end func apiVersion
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/**
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* Returns a string of \t for the tabOffset property
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* @access private
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*/
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function _getTabs()
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{
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return $this->_tabOffset > 0 ? str_repeat("\t", $this->_tabOffset) : "";
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} // end func _getTabs
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/**
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* Returns an HTML formatted attribute string
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* @param array $attributes
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* @return string
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* @access private
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*/
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function _getAttrString($attributes)
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{
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$strAttr = '';
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if (is_array($attributes)) {
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while (list($key, $value) = each($attributes)) {
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if (is_int($key)) {
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$strAttr .= ' ' . strtolower($value) . '="' . strtolower($value) . '"';
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} else {
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$strAttr .= ' ' . strtolower($key) . '="' . htmlspecialchars($value) . '"';
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}
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}
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}
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return $strAttr;
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} // end func _getAttrString
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/**
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* Returns a valid atrributes array from either a string or array
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* @param mixed $attributes Either a typical HTML attribute string or an associative array
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* @access private
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*/
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function _parseAttributes($attributes)
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{
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if (is_array($attributes)) {
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return $attributes;
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} elseif (is_string($attributes)) {
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$preg = "/(([A-Za-z_:]|[^\\x00-\\x7F])([A-Za-z0-9_:.-]|[^\\x00-\\x7F])*)" .
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"([ \\n\\t\\r]+)?(=([ \\n\\t\\r]+)?(\"[^\"]*\"|'[^']*'|[^ \\n\\t\\r]*))?/";
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if (preg_match_all($preg, $attributes, $regs)) {
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$valCounter = 0;
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for ($counter=0; $counter<count($regs[1]); $counter++) {
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$name = $regs[1][$counter];
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$check = $regs[0][$counter];
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$value = $regs[7][$valCounter];
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if (trim($name) == trim($check)) {
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$arrAttr[] = strtoupper(trim($name));
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} else {
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if (substr($value, 0, 1) == "\"" || substr($value, 0, 1) == "'") {
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$value = substr($value, 1, -1);
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}
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$arrAttr[strtolower(trim($name))] = trim($value);
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$valCounter++;
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}
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}
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return $arrAttr;
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}
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}
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} // end func _parseAttributes
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/**
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* Returns the array key for the given non-name-value pair attribute
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*
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* @param string $attr Attribute
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* @param array $attributes Array of attribute
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* @since 1.0
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* @access public
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* @return void
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* @throws
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*/
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function _getAttrKey($attr, $attributes)
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{
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if (is_array($attributes)) {
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$keys = array_keys($attributes);
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for ($counter=0; $counter < count($keys); $counter++) {
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$key = $keys[$counter];
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$value = $attributes[$key];
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if (strtoupper($value) == strtoupper($attr) && is_int($key)) {
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return $key;
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break;
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}
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}
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}
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} //end func _getAttrKey
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/**
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* Updates the attributes in $attr1 with the values in $attr2 without changing the other existing attributes
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* @param array $attr1 Original attributes array
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* @param array $attr2 New attributes array
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* @access private
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* @return array
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*/
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function _updateAttrArray(&$attr1, $attr2)
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{
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if (!is_array($attr2)) {
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return false;
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}
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while (list($key, $value) = each($attr2)) {
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if (!is_int($key)) {
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$attr1[$key] = $value;
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} else {
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$key = $this->_getAttrKey($value, $attr1);
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if (isset($key)) {
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$attr1[$key] = $value;
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} else {
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if (is_array($attr1)) {
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array_unshift($attr1, $value);
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} else {
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$attr1[] = $value;
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}
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}
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}
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}
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} // end func _updateAtrrArray
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/**
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* Removes the given attribute from the given array
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*
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* @param string $attr Attribute name
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* @param array $attributes Attribute array
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* @since 1.4
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* @access public
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* @return void
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* @throws
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*/
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function _removeAttr($attr, &$attributes)
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{
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if (in_array(strtolower($attr), array_keys($attributes))) {
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unset($attributes[$attr]);
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} else {
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unset($attributes[$this->_getAttrKey($attr, $attributes)]);
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}
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} //end func _removeAttr
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/**
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* Returns the value of the given attribute
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*
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* @param string $attr Attribute name
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* @since 1.5
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* @access public
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* @return void
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* @throws
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*/
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function getAttribute($attr)
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{
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$attr = strtolower($attr);
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if (is_array($this->_attributes) && isset($this->_attributes[$attr])) {
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return $this->_attributes[$attr];
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}
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return;
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} //end func getAttribute
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/**
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* Sets the HTML attributes
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* @param mixed $attributes Either a typical HTML attribute string or an associative array
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* @access public
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*/
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function setAttributes($attributes)
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{
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$this->_attributes = $this->_parseAttributes($attributes);
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} // end func _setAttributes
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/**
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* Returns an assoc array of attributes
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*
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* @since 1.6
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* @access public
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* @return void
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* @throws
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*/
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function getAttributes()
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{
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return $this->_attributes;
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} //end func getAttributes
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/**
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* Updates the passed attributes without changing the other existing attributes
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* @param mixed $attributes Either a typical HTML attribute string or an associative array
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* @access public
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*/
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function updateAttributes($attributes)
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{
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$attributes = $this->_parseAttributes($attributes);
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$this->_updateAttrArray($this->_attributes, $attributes);
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} // end func updateAttributes
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/**
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* Removes an attribute from
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*
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* @param string $attr Attribute name
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* @since 1.4
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* @access public
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* @return void
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* @throws
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*/
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function removeAttribute($attr)
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{
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$this->_removeAttr($attr, $this->_attributes);
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} //end func removeAttribute
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/**
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* Sets the tab offset
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* @param int $offset
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* @access public
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*/
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function setTabOffset($offset)
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{
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$this->_tabOffset = $offset;
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} // end func setTabOffset
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/**
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* Returns the tabOffset
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*
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* @since 1.5
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* @access public
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* @return void
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* @throws
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*/
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function getTabOffset()
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{
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return $this->_tabOffset;
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} //end func getTabOffset
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/**
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* Sets the HTML comment to be displayed at the beginning of the HTML string
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*
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* @param string
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* @since 1.4
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* @access public
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* @return void
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* @throws
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*/
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function setComment($comment)
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{
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$this->_comment = $comment;
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} // end func setHtmlComment
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/**
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* Returns the HTML comment
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*
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* @since 1.5
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* @access public
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* @return void
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* @throws
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*/
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function getComment()
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{
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return $this->_comment;
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} //end func getComment
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/**
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* Abstract method. Must be extended to return the objects HTML
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*
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* @access public
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* @return string
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* @abstract
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*/
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function toHtml()
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{
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return "";
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} // end func toHtml
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/**
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* Displays the HTML to the screen
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*
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* @access public
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*/
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function display()
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{
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print $this->toHtml();
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} // end func display
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} // end class HTML_Common
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||
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?>
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