توابع کار با فایل xml

[ArmanSoftware]

توابع کار با فایل XML
GNU


<?php
/** {{{ Copyright and License
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2.0 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @copyright 2001-2004 Masoud Alinqian.
* @author Masoud Alinqian < masoud at m2ix dot com >
* @author Dave < dave at ovumdesign dot com >
* @package XML Functions
* }}}
*/

function xml_get_children($vals, &$i) {

$children = array();

if (isset($vals[$i]['value'])) $children[] = $vals[$i]['value'];

while (++$i < count($vals)) {

switch ($vals[$i]['type']) {

case 'cdata':

$children[] = $vals[$i]['value'];

break;

case 'complete':

$children[] = array(

'tag' => $vals[$i]['tag'],

'attributes' => isset($vals[$i]['attributes'])?

$vals[$i]['attributes'] : null,

'value' => $vals[$i]['value'],

);

break;

case 'open':
$children[] = array(

'tag' => $vals[$i]['tag'],

'attributes' => isset($vals[$i]['attributes'])?

$vals[$i]['attributes'] : null,

'children' => xml_get_children($vals, $i),

);

break;

case 'close':

return $children;

}

}

}



function xml_get_tree($file) {
$file=realpath($file);

$data = @implode(NULL,file($file));

$parser = xml_parser_create();

$data=ereg_replace("(\r|\n)","",$data);

xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);

xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);

xml_parse_into_struct($parser, $data, $vals, $index);

xml_parser_free($parser);

return array(

'tag' => $vals[0]['tag'],

'attributes' => isset($vals[0]['attributes'])?

$vals[0]['attributes'] : null,

'children' => xml_get_children($vals, $i = 0),

);

}


function xml_condense_tree($tree) {
foreach ($tree['children'] as $index => $node) {

if (isset($node['children'])) {

$tree['children'][$index] = xml_condense_tree($node);

} elseif (isset($node['value']) and !$node['attributes']) {

$tree['values'][$node['tag']] = $node['value'];

unset($tree['children'][$index]);

}

}



if (!$tree['children']) unset($tree['children']);

return $tree;

}


function xml_config_to_array($xml_tree,$root=false){

$array_name=$xml_tree['tag'];

if (is_array($xml_tree['children']))

foreach ($xml_tree['children'] as $children){

$child_id=$children['attributes']['id'];

$child_name=$children['tag'];

$child_name.=($child_id) ? "__".$child_id:'';

if (is_array($children['children'])) {

$child_array=xml_config_to_array($children);

$temp_array[$child_name]=$child_array;

} else {

$temp_array[$child_name]=$children['value'];

}

}


if (!$root)

$xml_array=$temp_array;

else $xml_array[$array_name]=$temp_array;
return $xml_array;

}



function xml_to_array($xml_tree){

$array_name=$xml_tree['tag'];

if ($xml_tree['attributes'])

foreach ($xml_tree['attributes'] as $attribute_name=>$attribute_value) {

$temp_name="_$attribute_name";

$temp_array[$temp_name]=$attribute_value;

}


if ($xml_tree['children'])

foreach ($xml_tree['children'] as $children){

$temp_name=$children['tag'];

if (!is_array($temp_array[$temp_name])) $temp_array[$temp_name]=array();

array_push($temp_array[$temp_name],xml_to_array($children));

}


if ($xml_tree['value']) {

$temp_array['_']=$xml_tree['value'];

}


return $temp_array;

}


function recover_xml_array($xml_array) {

$array_array=$xml_array;

foreach ($array_array as $array_key=>$array_value) {

if (is_array($array_value)){

if(count($array_value)==1) $array[$array_key]=recover_xml_array($array_value[0]);

else {

$temp_array=array();
$counter=0;

foreach ($array_value as $child_value){

$counter++;

if ($child_value['_name']) {

$index_name=$child_value['_name'];

} elseif ($child_value['_id']) {

$index_name=$child_value['_id'];

} else {

$index_name=$counter;

}


$temp_array[$counter]=recover_xml_array($child_value);

}

$array[$array_key]=$temp_array;

}

} else {

$array[$array_key]=$array_value;

}

}

return $array;

}


function array_to_xml($array_tree,$root='root') {



if (is_array($array_tree)) {

$xml_temp='';

$attributes='';

foreach($array_tree as $xml_key=>$xml_value) {

$is_array=is_array($xml_value);

if ($xml_key=='_') {

$xml_value=string_to_entity($xml_value);
$xml_temp.=$xml_value;

} else if(!$is_array && substr($xml_key,0,1)=='_') { # check for is attribute

$xml_value=string_to_entity($xml_value);

$attributes.=substr($xml_key,1,strlen($xml_key)-1)."=\\"$xml_value" ";

}else if ($is_array && substr($xml_key,0,1)=='_'){ #check for is array

foreach($xml_value as $child_value){

$xml_temp.=array_to_xml($child_value,substr($xml_k ey,1,strlen($xml_key)-1));

}

} else if ($is_array){

$xml_temp.=array_to_xml($xml_value,$xml_key);

} else {

$xml_value=string_to_entity($xml_value);

$xml_temp.=$xml_value;

}

}

}

if ($xml_temp || $xml_temp==='0') {

$xml_output="<$root $attributes>$xml_temp</$root>";

} else {

$xml_output="<$root $attributes />";

}

return $xml_output;

}
?>