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2770 rexy 1
<?php
2
/**
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 * modified XML Element
4
 *
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 * PHP version 5
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 *
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 * @category  PHP
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 * @package   PSI_XML
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 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
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 * @copyright 2009 phpSysInfo
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 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License version 2, or (at your option) any later version
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 * @version   SVN: $Id: class.SimpleXMLExtended.inc.php 610 2012-07-11 19:12:12Z namiltd $
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 * @link      http://phpsysinfo.sourceforge.net
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 */
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 /**
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 * class extends the SimpleXML element for including some special functions, like encoding stuff and cdata support
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 *
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 * @category  PHP
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 * @package   PSI_XML
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 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
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 * @copyright 2009 phpSysInfo
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 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License version 2, or (at your option) any later version
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 * @version   Release: 3.0
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 * @link      http://phpsysinfo.sourceforge.net
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 */
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class SimpleXMLExtended
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{
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    /**
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     * store the encoding that is used for conversation to utf8
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     *
3037 rexy 31
     * @var string base encoding
2770 rexy 32
     */
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    private $_encoding = null;
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    /**
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     * SimpleXMLElement to which every call is delegated
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     *
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     * @var SimpleXMLElement delegated SimpleXMLElement
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     */
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    private $_SimpleXmlElement = null;
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42
    /**
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     * _CP437toUTF8Table for code page conversion for CP437
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     *
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     * @var array _CP437toUTF8Table array
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     */
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    private static $_CP437toUTF8Table = array(
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        "\xC3\x87","\xC3\xBC","\xC3\xA9","\xC3\xA2",
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        "\xC3\xA4","\xC3\xA0","\xC3\xA5","\xC3\xA7",
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        "\xC3\xAA","\xC3\xAB","\xC3\xA8","\xC3\xAF",
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        "\xC3\xAE","\xC3\xAC","\xC3\x84","\xC3\x85",
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        "\xC3\x89","\xC3\xA6","\xC3\x86","\xC3\xB4",
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        "\xC3\xB6","\xC3\xB2","\xC3\xBB","\xC3\xB9",
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        "\xC3\xBF","\xC3\x96","\xC3\x9C","\xC3\xA2",
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        "\xC2\xA3","\xC3\xA5","\xE2\x82\xA7","\xC6\x92",
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        "\xC3\xA1","\xC3\xAD","\xC3\xB3","\xC3\xBA",
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        "\xC3\xB1","\xC3\x91","\xC2\xAA","\xC2\xBA",
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        "\xC2\xBF","\xE2\x8C\x90","\xC2\xAC","\xC2\xBD",
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        "\xC2\xBC","\xC2\xA1","\xC2\xAB","\xC2\xBB",
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        "\xE2\x96\x91","\xE2\x96\x92","\xE2\x96\x93","\xE2\x94\x82",
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        "\xE2\x94\xA4","\xE2\x95\xA1","\xE2\x95\xA2","\xE2\x95\x96",
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        "\xE2\x95\x95","\xE2\x95\xA3","\xE2\x95\x91","\xE2\x95\x97",
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        "\xE2\x95\x9D","\xE2\x95\x9C","\xE2\x95\x9B","\xE2\x94\x90",
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        "\xE2\x94\x94","\xE2\x94\xB4","\xE2\x94\xAC","\xE2\x94\x9C",
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        "\xE2\x94\x80","\xE2\x94\xBC","\xE2\x95\x9E","\xE2\x95\x9F",
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        "\xE2\x95\x9A","\xE2\x95\x94","\xE2\x95\xA9","\xE2\x95\xA6",
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        "\xE2\x95\xA0","\xE2\x95\x90","\xE2\x95\xAC","\xE2\x95\xA7",
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        "\xE2\x95\xA8","\xE2\x95\xA4","\xE2\x95\xA5","\xE2\x95\x99",
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        "\xE2\x95\x98","\xE2\x95\x92","\xE2\x95\x93","\xE2\x95\xAB",
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        "\xE2\x95\xAA","\xE2\x94\x98","\xE2\x94\x8C","\xE2\x96\x88",
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        "\xE2\x96\x84","\xE2\x96\x8C","\xE2\x96\x90","\xE2\x96\x80",
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        "\xCE\xB1","\xC3\x9F","\xCE\x93","\xCF\x80",
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        "\xCE\xA3","\xCF\x83","\xC2\xB5","\xCF\x84",
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        "\xCE\xA6","\xCE\x98","\xCE\xA9","\xCE\xB4",
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        "\xE2\x88\x9E","\xCF\x86","\xCE\xB5","\xE2\x88\xA9",
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        "\xE2\x89\xA1","\xC2\xB1","\xE2\x89\xA5","\xE2\x89\xA4",
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        "\xE2\x8C\xA0","\xE2\x8C\xA1","\xC3\xB7","\xE2\x89\x88",
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        "\xC2\xB0","\xE2\x88\x99","\xC2\xB7","\xE2\x88\x9A",
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        "\xE2\x81\xBF","\xC2\xB2","\xE2\x96\xA0","\xC2\xA0");
80
 
81
    /**
82
     * create a new extended SimpleXMLElement and set encoding if specified
83
     *
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     * @param SimpleXMLElement $xml      base xml element
85
     * @param String           $encoding base encoding that should be used for conversation to utf8
86
     *
87
     * @return void
88
     */
89
    public function __construct($xml, $encoding = null)
90
    {
91
        if ($encoding != null) {
92
            $this->_encoding = $encoding;
93
        }
94
        $this->_SimpleXmlElement = $xml;
95
    }
96
 
97
    /**
98
     * insert a child element with or without a value, also doing conversation of name and if value is set to utf8
99
     *
100
     * @param String $name  name of the child element
101
     * @param String $value a value that should be insert to the child
102
     *
103
     * @return SimpleXMLExtended extended child SimpleXMLElement
104
     */
105
    public function addChild($name, $value = null)
106
    {
107
        $nameUtf8 = $this->_toUTF8($name);
108
        if ($value == null) {
109
            return new SimpleXMLExtended($this->_SimpleXmlElement->addChild($nameUtf8), $this->_encoding);
110
        } else {
111
            $valueUtf8 = htmlspecialchars($this->_toUTF8($value), ENT_COMPAT, "UTF-8");
112
 
113
            return new SimpleXMLExtended($this->_SimpleXmlElement->addChild($nameUtf8, $valueUtf8), $this->_encoding);
114
        }
115
    }
116
 
117
    /**
118
     * insert a child with cdata section
119
     *
120
     * @param String $name  name of the child element
121
     * @param String $cdata data for CDATA section
122
     *
123
     * @return SimpleXMLExtended extended child SimpleXMLElement
124
     */
125
    public function addCData($name, $cdata)
126
    {
127
        $nameUtf8 = $this->_toUTF8($name);
128
        $node = $this->_SimpleXmlElement->addChild($nameUtf8);
129
        $domnode = dom_import_simplexml($node);
130
        $no = $domnode->ownerDocument;
131
        $domnode->appendChild($no->createCDATASection($cdata));
132
 
133
        return new SimpleXMLExtended($node, $this->_encoding);
134
    }
135
 
136
    /**
137
     * add a attribute to a child and convert name and value to utf8
138
     *
139
     * @param String $name  name of the attribute
140
     * @param String $value value of the attribute
141
     *
3037 rexy 142
     * @return void
2770 rexy 143
     */
144
    public function addAttribute($name, $value)
145
    {
146
        $nameUtf8 = $this->_toUTF8($name);
147
        $valueUtf8 = htmlspecialchars($this->_toUTF8($value), ENT_COMPAT, "UTF-8");
148
        if (($valueUtf8 === "") && (version_compare("5.2.2", PHP_VERSION, ">"))) {
149
            $this->_SimpleXmlElement->addAttribute($nameUtf8, "\0"); // Fixing bug #41175 (addAttribute() fails to add an attribute with an empty value)
150
        } else {
151
            $this->_SimpleXmlElement->addAttribute($nameUtf8, $valueUtf8);
152
        }
153
    }
154
 
155
    /**
156
     * append a xml-tree to another xml-tree
157
     *
158
     * @param SimpleXMLElement $new_child child that should be appended
159
     *
3037 rexy 160
     * @return void
2770 rexy 161
     */
162
    public function combinexml(SimpleXMLElement $new_child)
163
    {
164
        $node1 = dom_import_simplexml($this->_SimpleXmlElement);
165
        $dom_sxe = dom_import_simplexml($new_child);
166
        $node2 = $node1->ownerDocument->importNode($dom_sxe, true);
167
        $node1->appendChild($node2);
168
    }
169
 
170
    /**
171
     * convert a string into an UTF-8 string
172
     *
173
     * @param String $str string to convert
174
     *
175
     * @return String UTF-8 string
176
     */
177
    private function _toUTF8($str)
178
    {
3037 rexy 179
        $str = trim(preg_replace('/[\x00-\x09\x0b-\x1F]/', ' ', strval($str))); //remove nonprintable characters
2770 rexy 180
        if ($this->_encoding != null) {
181
            if (strcasecmp($this->_encoding, "UTF-8") == 0) {
182
                return $str;
183
            } elseif (strcasecmp($this->_encoding, "CP437") == 0) {
184
                $strr = "";
185
                if (($strl = strlen($str)) > 0) for ($i = 0; $i < $strl; $i++) {
186
                    $strc = substr($str, $i, 1);
187
                    if ($strc < 128) $strr.=$strc;
188
                        else $strr.=self::$_CP437toUTF8Table[$strc-128];
189
                }
190
 
191
                 return $strr;
192
            } else {
193
                if (preg_match("/^windows-\d+ \((.+)\)$/", $this->_encoding, $buf)) {
194
                    $encoding = $buf[1];
195
                } else {
196
                    $encoding = $this->_encoding;
197
                }
198
                $enclist = mb_list_encodings();
199
                if (in_array($encoding, $enclist)) {
200
                    return mb_convert_encoding($str, 'UTF-8', $encoding);
201
                } elseif (function_exists("iconv")) {
202
                    if (($iconvout=iconv($encoding, 'UTF-8', $str))!==false) {
203
                        return $iconvout;
204
                    } else {
205
                        return mb_convert_encoding($str, 'UTF-8');
206
                    }
207
                } elseif (function_exists("libiconv") && (($iconvout=libiconv($encoding, 'UTF-8', $str))!==false)) {
208
                    return $iconvout;
209
                } else {
210
                    return mb_convert_encoding($str, 'UTF-8');
211
                }
212
           }
213
        } else {
214
            return mb_convert_encoding($str, 'UTF-8');
215
        }
216
    }
217
 
218
    /**
219
     * Returns the SimpleXmlElement
220
     *
221
     * @return SimpleXmlElement entire xml as SimpleXmlElement
222
     */
223
    public function getSimpleXmlElement()
224
    {
225
        return $this->_SimpleXmlElement;
226
    }
227
}