[1698] | 1 | <?php |
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| 2 | // +-----------------------------------------------------------------------+ |
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[8728] | 3 | // | Piwigo - a PHP based photo gallery | |
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[2297] | 4 | // +-----------------------------------------------------------------------+ |
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[8728] | 5 | // | Copyright(C) 2008-2011 Piwigo Team http://piwigo.org | |
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[2297] | 6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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| 7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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| 8 | // +-----------------------------------------------------------------------+ |
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| 9 | // | This program is free software; you can redistribute it and/or modify | |
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| 10 | // | it under the terms of the GNU General Public License as published by | |
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| 11 | // | the Free Software Foundation | |
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| 12 | // | | |
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| 13 | // | This program is distributed in the hope that it will be useful, but | |
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| 14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 16 | // | General Public License for more details. | |
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| 17 | // | | |
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| 18 | // | You should have received a copy of the GNU General Public License | |
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| 19 | // | along with this program; if not, write to the Free Software | |
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| 20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 21 | // | USA. | |
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| 22 | // +-----------------------------------------------------------------------+ |
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[1698] | 23 | |
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| 24 | |
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| 25 | class PwgXmlWriter |
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| 26 | { |
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| 27 | var $_indent; |
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| 28 | var $_indentStr; |
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| 29 | |
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| 30 | var $_elementStack; |
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| 31 | var $_lastTagOpen; |
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| 32 | var $_indentLevel; |
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| 33 | |
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| 34 | var $_encodedXml; |
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| 35 | |
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| 36 | function PwgXmlWriter() |
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| 37 | { |
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| 38 | $this->_elementStack = array(); |
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| 39 | $this->_lastTagOpen = false; |
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| 40 | $this->_indentLevel = 0; |
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| 41 | |
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| 42 | $this->_encodedXml = ''; |
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| 43 | $this->_indent = true; |
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| 44 | $this->_indentStr = "\t"; |
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| 45 | } |
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| 46 | |
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| 47 | function &getOutput() |
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| 48 | { |
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| 49 | return $this->_encodedXml; |
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| 50 | } |
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| 51 | |
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| 52 | |
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| 53 | function start_element($name) |
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| 54 | { |
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| 55 | $this->_end_prev(false); |
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| 56 | if (!empty($this->_elementStack)) |
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| 57 | { |
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| 58 | $this->_eol_indent(); |
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| 59 | } |
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| 60 | $this->_indentLevel++; |
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| 61 | $this->_indent(); |
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| 62 | $this->_output( '<'.$name ); |
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| 63 | $this->_lastTagOpen = true; |
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| 64 | array_push( $this->_elementStack, $name); |
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| 65 | } |
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| 66 | |
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| 67 | function end_element($x) |
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| 68 | { |
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| 69 | $close_tag = $this->_end_prev(true); |
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| 70 | $name = array_pop( $this->_elementStack ); |
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| 71 | if ($close_tag) |
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| 72 | { |
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| 73 | $this->_indentLevel--; |
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| 74 | $this->_indent(); |
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| 75 | // $this->_eol_indent(); |
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| 76 | $this->_output('</'.$name.">"); |
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| 77 | } |
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| 78 | } |
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| 79 | |
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| 80 | function write_content($value) |
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| 81 | { |
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| 82 | $this->_end_prev(false); |
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| 83 | $value = (string)$value; |
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[1863] | 84 | $this->_output( htmlspecialchars( $value ) ); |
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[1698] | 85 | } |
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| 86 | |
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[1863] | 87 | function write_cdata($value) |
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| 88 | { |
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| 89 | $this->_end_prev(false); |
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| 90 | $value = (string)$value; |
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| 91 | $this->_output( |
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| 92 | '<![CDATA[' |
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| 93 | . str_replace(']]>', ']]>', $value) |
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| 94 | . ']]>' ); |
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| 95 | } |
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| 96 | |
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[1698] | 97 | function write_attribute($name, $value) |
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| 98 | { |
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| 99 | $this->_output(' '.$name.'="'.$this->encode_attribute($value).'"'); |
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| 100 | } |
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| 101 | |
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| 102 | function encode_attribute($value) |
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| 103 | { |
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| 104 | return htmlspecialchars( (string)$value); |
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| 105 | } |
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| 106 | |
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| 107 | function _end_prev($done) |
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| 108 | { |
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| 109 | $ret = true; |
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| 110 | if ($this->_lastTagOpen) |
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| 111 | { |
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| 112 | if ($done) |
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| 113 | { |
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| 114 | $this->_indentLevel--; |
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| 115 | $this->_output( ' />' ); |
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| 116 | //$this->_eol_indent(); |
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| 117 | $ret = false; |
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| 118 | } |
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| 119 | else |
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| 120 | { |
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| 121 | $this->_output( '>' ); |
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| 122 | } |
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| 123 | $this->_lastTagOpen = false; |
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| 124 | } |
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| 125 | return $ret; |
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| 126 | } |
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| 127 | |
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| 128 | function _eol_indent() |
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| 129 | { |
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| 130 | if ($this->_indent) |
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| 131 | $this->_output("\n"); |
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| 132 | } |
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| 133 | |
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| 134 | function _indent() |
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| 135 | { |
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| 136 | if ($this->_indent and |
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| 137 | $this->_indentLevel > count($this->_elementStack) ) |
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| 138 | { |
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| 139 | $this->_output( |
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| 140 | str_repeat( $this->_indentStr, count($this->_elementStack) ) |
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| 141 | ); |
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| 142 | } |
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| 143 | } |
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| 144 | |
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| 145 | function _output($raw_content) |
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| 146 | { |
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| 147 | $this->_encodedXml .= $raw_content; |
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| 148 | } |
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| 149 | } |
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| 150 | |
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| 151 | class PwgRestEncoder extends PwgResponseEncoder |
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| 152 | { |
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| 153 | function encodeResponse($response) |
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| 154 | { |
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[4427] | 155 | $respClass = strtolower( @get_class($response) ); |
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[1698] | 156 | if ($respClass=='pwgerror') |
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| 157 | { |
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| 158 | $ret = '<?xml version="1.0"?> |
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| 159 | <rsp stat="fail"> |
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| 160 | <err code="'.$response->code().'" msg="'.htmlspecialchars($response->message()).'" /> |
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| 161 | </rsp>'; |
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| 162 | return $ret; |
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| 163 | } |
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| 164 | |
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| 165 | $this->_writer = new PwgXmlWriter(); |
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| 166 | $this->encode($response); |
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| 167 | $ret = $this->_writer->getOutput(); |
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[2126] | 168 | $ret = '<?xml version="1.0" encoding="'.get_pwg_charset().'" ?> |
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[1698] | 169 | <rsp stat="ok"> |
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| 170 | '.$ret.' |
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| 171 | </rsp>'; |
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| 172 | |
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| 173 | return $ret; |
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| 174 | } |
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| 175 | |
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| 176 | function getContentType() |
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| 177 | { |
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| 178 | return 'text/xml'; |
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| 179 | } |
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| 180 | |
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| 181 | function encode_array($data, $itemName, $xml_attributes=array()) |
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| 182 | { |
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| 183 | foreach ($data as $item) |
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| 184 | { |
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| 185 | $this->_writer->start_element( $itemName ); |
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| 186 | $this->encode($item, $xml_attributes); |
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| 187 | $this->_writer->end_element( $itemName ); |
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| 188 | } |
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| 189 | } |
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| 190 | |
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| 191 | function encode_struct($data, $skip_underscore, $xml_attributes=array()) |
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| 192 | { |
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| 193 | foreach ($data as $name => $value) |
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| 194 | { |
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| 195 | if (is_numeric($name)) |
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| 196 | continue; |
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| 197 | if ($skip_underscore and $name[0]=='_') |
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| 198 | continue; |
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| 199 | if ( is_null($value) ) |
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| 200 | continue; // null means we dont put it |
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| 201 | if ( $name==WS_XML_ATTRIBUTES) |
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| 202 | { |
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| 203 | foreach ($value as $attr_name => $attr_value) |
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| 204 | { |
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| 205 | $this->_writer->write_attribute($attr_name, $attr_value); |
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| 206 | } |
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| 207 | unset($data[$name]); |
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| 208 | } |
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| 209 | else if ( isset($xml_attributes[$name]) ) |
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| 210 | { |
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| 211 | $this->_writer->write_attribute($name, $value); |
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| 212 | unset($data[$name]); |
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| 213 | } |
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| 214 | } |
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| 215 | |
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| 216 | foreach ($data as $name => $value) |
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| 217 | { |
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| 218 | if (is_numeric($name)) |
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| 219 | continue; |
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| 220 | if ($skip_underscore and $name[0]=='_') |
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| 221 | continue; |
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| 222 | if ( is_null($value) ) |
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| 223 | continue; // null means we dont put it |
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| 224 | if ($name!=WS_XML_CONTENT) |
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| 225 | $this->_writer->start_element($name); |
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| 226 | $this->encode($value); |
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| 227 | if ($name!=WS_XML_CONTENT) |
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| 228 | $this->_writer->end_element($name); |
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| 229 | } |
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| 230 | } |
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| 231 | |
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| 232 | function encode($data, $xml_attributes=array() ) |
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| 233 | { |
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| 234 | switch (gettype($data)) |
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| 235 | { |
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| 236 | case 'null': |
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| 237 | case 'NULL': |
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| 238 | $this->_writer->write_content(''); |
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| 239 | break; |
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| 240 | case 'boolean': |
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| 241 | $this->_writer->write_content($data ? '1' : '0'); |
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| 242 | break; |
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| 243 | case 'integer': |
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| 244 | case 'double': |
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| 245 | $this->_writer->write_content($data); |
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| 246 | break; |
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| 247 | case 'string': |
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| 248 | $this->_writer->write_content($data); |
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| 249 | break; |
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| 250 | case 'array': |
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| 251 | $is_array = range(0, count($data) - 1) === array_keys($data); |
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| 252 | if ($is_array) |
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| 253 | { |
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| 254 | $this->encode_array($data, 'item' ); |
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| 255 | } |
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| 256 | else |
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| 257 | { |
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| 258 | $this->encode_struct($data, false, $xml_attributes); |
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| 259 | } |
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| 260 | break; |
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| 261 | case 'object': |
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[4427] | 262 | switch ( strtolower(@get_class($data)) ) |
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[1698] | 263 | { |
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| 264 | case 'pwgnamedarray': |
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| 265 | $this->encode_array($data->_content, $data->_itemName, $data->_xmlAttributes); |
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| 266 | break; |
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| 267 | case 'pwgnamedstruct': |
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| 268 | $this->encode_array( array($data->_content), $data->_name, $data->_xmlAttributes); |
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| 269 | break; |
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| 270 | default: |
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| 271 | $this->encode_struct(get_object_vars($data), true); |
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| 272 | break; |
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| 273 | } |
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| 274 | break; |
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| 275 | default: |
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[4427] | 276 | trigger_error("Invalid type ". gettype($data)." ".@get_class($data), E_USER_WARNING ); |
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[1698] | 277 | } |
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| 278 | } |
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| 279 | } |
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| 280 | |
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| 281 | ?> |
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