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https://github.com/EGroupware/egroupware.git
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376 lines
10 KiB
PHP
376 lines
10 KiB
PHP
<?php
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/* $Id$ */
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class soap_parser
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{
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function soap_parser($xml='',$encoding='UTF-8')
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{
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global $soapTypes;
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$this->soapTypes = $soapTypes;
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$this->xml = $xml;
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$this->xml_encoding = $encoding;
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$this->root_struct = "";
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// options: envelope,header,body,method
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// determines where in the message we are (envelope,header,body,method)
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$this->status = '';
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$this->position = 0;
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$this->pos_stat = 0;
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$this->depth = 0;
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$this->default_namespace = '';
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$this->namespaces = array();
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$this->message = array();
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$this->fault = false;
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$this->fault_code = '';
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$this->fault_str = '';
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$this->fault_detail = '';
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$this->eval_str = '';
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$this->depth_array = array();
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$this->debug_flag = True;
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$this->debug_str = '';
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$this->previous_element = '';
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$this->entities = array (
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'&' => '&',
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'<' => '<',
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'>' => '>',
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"'" => ''',
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'"' => '"'
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);
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// Check whether content has been read.
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if(!empty($xml))
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{
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$this->debug('Entering soap_parser()');
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//$this->debug("DATA DUMP:\n\n$xml");
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// Create an XML parser.
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$this->parser = xml_parser_create($this->xml_encoding);
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// Set the options for parsing the XML data.
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//xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
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xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
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// Set the object for the parser.
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xml_set_object($this->parser, &$this);
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// Set the element handlers for the parser.
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xml_set_element_handler($this->parser, 'start_element','end_element');
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xml_set_character_data_handler($this->parser,'character_data');
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xml_set_default_handler($this->parser, 'default_handler');
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// Parse the XML file.
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if(!xml_parse($this->parser,$xml,true))
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{
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// Display an error message.
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$this->debug(sprintf("XML error on line %d: %s",
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xml_get_current_line_number($this->parser),
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xml_error_string(xml_get_error_code($this->parser))));
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$this->fault = true;
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}
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else
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{
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// get final eval string
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$this->eval_str = "\$response = ".trim($this->build_eval($this->root_struct)).";";
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}
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xml_parser_free($this->parser);
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}
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else
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{
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$this->debug("xml was empty, didn't parse!");
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}
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}
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// loop through msg, building eval_str
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function build_eval($pos)
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{
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$this->debug("inside build_eval() for $pos: ".$this->message[$pos]["name"]);
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$eval_str = $this->message[$pos]['eval_str'];
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// loop through children, building...
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if($this->message[$pos]['children'] != '')
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{
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$this->debug('children string = '.$this->message[$pos]['children']);
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$children = explode('|',$this->message[$pos]['children']);
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$this->debug('it has '.count($children).' children');
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@reset($children);
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while(list($c,$child_pos) = @each($children))
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/* foreach($children as $c => $child_pos) */
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{
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//$this->debug("child pos $child_pos: ".$this->message[$child_pos]["name"]);
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if($this->message[$child_pos]['eval_str'] != '')
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{
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$this->debug('entering build_eval() for '.$this->message[$child_pos]['name'].", array pos $c, pos: $child_pos");
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$eval_str .= $this->build_eval($child_pos).', ';
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}
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}
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$eval_str = substr($eval_str,0,strlen($eval_str)-2);
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}
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// add current node's eval_str
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$eval_str .= $this->message[$pos]['end_eval_str'];
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return $eval_str;
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}
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// start-element handler
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function start_element($parser, $name, $attrs)
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{
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// position in a total number of elements, starting from 0
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// update class level pos
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$pos = $this->position++;
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// and set mine
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$this->message[$pos]['pos'] = $pos;
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// parent/child/depth determinations
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// depth = how many levels removed from root?
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// set mine as current global depth and increment global depth value
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$this->message[$pos]['depth'] = $this->depth++;
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// else add self as child to whoever the current parent is
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if($pos != 0)
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{
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$this->message[$this->parent]['children'] .= "|$pos";
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}
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// set my parent
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$this->message[$pos]['parent'] = $this->parent;
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// set self as current value for this depth
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$this->depth_array[$this->depth] = $pos;
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// set self as current parent
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$this->parent = $pos;
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// set status
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if(ereg(":Envelope$",$name))
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{
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$this->status = 'envelope';
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}
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elseif(ereg(":Header$",$name))
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{
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$this->status = 'header';
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}
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elseif(ereg(":Body$",$name))
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{
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$this->status = 'body';
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// set method
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}
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elseif($this->status == 'body')
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{
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$this->status = 'method';
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if(ereg(':',$name))
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{
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$this->root_struct_name = substr(strrchr($name,':'),1);
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}
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else
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{
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$this->root_struct_name = $name;
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}
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$this->root_struct = $pos;
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$this->message[$pos]['type'] = 'struct';
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}
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// set my status
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$this->message[$pos]['status'] = $this->status;
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// set name
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$this->message[$pos]['name'] = htmlspecialchars($name);
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// set attrs
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$this->message[$pos]['attrs'] = $attrs;
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// get namespace
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if(ereg(":",$name))
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{
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$namespace = substr($name,0,strpos($name,':'));
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$this->message[$pos]['namespace'] = $namespace;
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$this->default_namespace = $namespace;
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}
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else
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{
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$this->message[$pos]['namespace'] = $this->default_namespace;
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}
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// loop through atts, logging ns and type declarations
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@reset($attrs);
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while (list($key,$value) = @each($attrs))
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/* foreach($attrs as $key => $value) */
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{
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// if ns declarations, add to class level array of valid namespaces
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if(ereg('xmlns:',$key))
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{
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$namespaces[substr(strrchr($key,':'),1)] = $value;
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if($name == $this->root_struct_name)
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{
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$this->methodNamespace = $value;
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}
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}
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// if it's a type declaration, set type
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elseif($key == 'xsi:type')
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{
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// then get attname and set $type
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$type = substr(strrchr($value,':'),1);
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}
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}
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// set type if available
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if($type)
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{
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$this->message[$pos]['type'] = $type;
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}
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// debug
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//$this->debug("parsed $name start, eval = '".$this->message[$pos]["eval_str"]."'");
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}
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// end-element handler
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function end_element($parser, $name)
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{
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// position of current element is equal to the last value left in depth_array for my depth
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$pos = $this->depth_array[$this->depth];
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// bring depth down a notch
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$this->depth--;
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// get type if not set already
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if($this->message[$pos]['type'] == '')
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{
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// if($this->message[$pos]['cdata'] == '' && $this->message[$pos]['children'] != '')
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if($this->message[$pos]['children'] != '')
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{
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$this->message[$pos]['type'] = 'SOAPStruct';
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}
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else
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{
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$this->message[$pos]['type'] = 'string';
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}
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}
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// set eval str start if it has a valid type and is inside the method
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if($pos >= $this->root_struct)
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{
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$this->message[$pos]['eval_str'] .= "\n CreateObject(\"phpgwapi.soapval\",\"".htmlspecialchars($name)."\", \"".$this->message[$pos]["type"]."\" ";
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$this->message[$pos]['end_eval_str'] = ')';
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$this->message[$pos]['inval'] = 'true';
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/*
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if($this->message[$pos]["name"] == $this->root_struct_name){
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$this->message[$pos]["end_eval_str"] .= " ,\"$this->methodNamespace\"";
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}
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*/
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if($this->message[$pos]['children'] != '')
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{
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$this->message[$pos]['eval_str'] .= ', array( ';
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$this->message[$pos]['end_eval_str'] .= ' )';
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}
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}
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// if i have no children and have cdata...then i must be a scalar value, so add my data to the eval_str
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if($this->status == 'method' && $this->message[$pos]['children'] == '')
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{
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// add cdata w/ no quotes if only int/float/dbl
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if($this->message[$pos]['type'] == 'string')
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{
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$this->message[$pos]['eval_str'] .= ", \"".$this->message[$pos]['cdata']."\"";
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}
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elseif($this->message[$pos]['type'] == 'int' || $this->message[$pos]['type'] == 'float' || $this->message[$pos]['type'] == 'double')
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{
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//$this->debug("adding cdata w/o quotes");
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$this->message[$pos]['eval_str'] .= ', '.trim($this->message[$pos]['cdata']);
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}
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elseif(is_string($this->message[$pos]['cdata']))
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{
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//$this->debug("adding cdata w/ quotes");
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$this->message[$pos]['eval_str'] .= ", \"".$this->message[$pos]['cdata']."\"";
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}
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}
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// if in the process of making a soap_val, close the parentheses and move on...
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if($this->message[$pos]['inval'] == 'true')
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{
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$this->message[$pos]['inval'] == 'false';
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}
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// if tag we are currently closing is the method wrapper
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if($pos == $this->root_struct)
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{
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$this->status = 'body';
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}
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elseif(ereg(':Body',$name))
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{
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$this->status = 'header';
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}
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elseif(ereg(':Header',$name))
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{
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$this->status = 'envelope';
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}
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// set parent back to my parent
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$this->parent = $this->message[$pos]['parent'];
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$this->debug("parsed $name end, type '".$this->message[$pos]['type']."'eval_str = '".trim($this->message[$pos]['eval_str'])."' and children = ".$this->message[$pos]['children']);
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}
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// element content handler
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function character_data($parser, $data)
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{
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$pos = $this->depth_array[$this->depth];
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$this->message[$pos]['cdata'] .= $data;
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//$this->debug("parsed ".$this->message[$pos]["name"]." cdata, eval = '$this->eval_str'");
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}
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// default handler
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function default_handler($parser, $data)
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{
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//$this->debug("DEFAULT HANDLER: $data");
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}
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// function to get fault code
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function fault()
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{
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if($this->fault)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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// have this return a soap_val object
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function get_response()
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{
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$this->debug("eval()ing eval_str: $this->eval_str");
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@eval("$this->eval_str");
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if($response)
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{
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$this->debug("successfully eval'd msg");
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return $response;
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}
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else
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{
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$this->debug('ERROR: did not successfully eval the msg');
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$this->fault = true;
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return CreateObject('phpgwapi.soapval',
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'Fault',
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'struct',
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array(
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CreateObject('phpgwapi.soapval',
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'faultcode',
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'string',
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'SOAP-ENV:Server'
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),
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CreateObject('phpgwapi.soapval',
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'faultstring',
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'string',
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"couldn't eval \"$this->eval_str\""
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)
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)
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);
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}
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}
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function debug($string)
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{
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if($this->debug_flag)
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{
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$this->debug_str .= "$string\n";
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}
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}
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function decode_entities($text)
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{
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@reset($this->entities);
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while(list($entity,$encoded) = @each($this->entities))
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/* foreach($this->entities as $entity => $encoded) */
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{
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$text = str_replace($encoded,$entity,$text);
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}
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return $text;
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}
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}
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?>
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