egroupware_official/phpgwapi/inc/class.wsdl.inc.php
2001-10-17 22:08:38 +00:00

294 lines
7.8 KiB
PHP

<?php
/*
SOAPx4
by Dietrich Ayala (C) 2001 dietrich@ganx4.com
This project began based on code from the 2 projects below,
and still contains some original code. The licenses of both must be respected.
XML-RPC for PHP
originally by Edd Dumbill (C) 1999-2000
SOAP for PHP
by Victor Zou (C) 2000-2001 <victor@gigaideas.com.cn>
this is a class that loads a wsdl file and makes it's data available to an application
it should provide methods that allow both client and server usage of it
also should have methods for creating a wsdl file from scratch and
serializing wsdl into valid markup
*/
/* $Id$ */
class wsdl
{
// constructor
function wsdl($wsdl=False)
{
// define internal arrays of bindings, ports, operations, messages, etc.
$this->complexTypes = array();
$this->messages = array();
$this->currentMessage;
$this->portOperations = array();
$this->currentOperation;
$this->portTypes = array();
$this->currentPortType;
$this->bindings = array();
$this->currentBinding;
// debug switch
$this->debug_flag = False;
// parser vars
$this->parser;
$this->position;
$this->depth;
$this->depth_array = array();
if($wsdl == "-1")
{
$wsdl=False;
}
// Check whether content has been read.
if($wsdl)
{
$wsdl_string = join("",file($wsdl));
// Create an XML parser.
$this->parser = xml_parser_create();
// Set the options for parsing the XML data.
//xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0);
// Set the object for the parser.
xml_set_object($this->parser, &$this);
// Set the element handlers for the parser.
xml_set_element_handler($this->parser, 'start_element','end_element');
xml_set_character_data_handler($this->parser,'character_data');
//xml_set_default_handler($this->parser, 'default_handler');
// Parse the XML file.
if(!xml_parse($this->parser,$wsdl_string,True))
{
// Display an error message.
$this->debug(sprintf('XML error on line %d: %s',
xml_get_current_line_number($this->parser),
xml_error_string(xml_get_error_code($this->parser))));
$this->fault = True;
}
xml_parser_free($this->parser);
}
}
// start-element handler
function start_element($parser, $name, $attrs)
{
// position in the total number of elements, starting from 0
$pos = $this->position++;
$depth = $this->depth++;
// set self as current value for this depth
$this->depth_array[$depth] = $pos;
// find status, register data
switch($this->status)
{
case 'types':
switch($name)
{
case 'schema':
$this->schema = True;
break;
case 'complexType':
$this->currentElement = $attrs['name'];
$this->schemaStatus = 'complexType';
break;
case 'element':
$this->complexTypes[$this->currentElement]['elements'][$attrs['name']] = $attrs;
break;
case 'complexContent':
break;
case 'restriction':
$this->complexTypes[$this->currentElement]['restrictionBase'] = $attrs['base'];
break;
case 'sequence':
$this->complexTypes[$this->currentElement]['order'] = 'sequence';
break;
case "all":
$this->complexTypes[$this->currentElement]['order'] = 'all';
break;
case 'attribute':
if($attrs['ref'])
{
$this->complexTypes[$this->currentElement]['attrs'][$attrs['ref']] = $attrs;
}
elseif($attrs['name'])
{
$this->complexTypes[$this->currentElement]['attrs'][$attrs['name']] = $attrs;
}
break;
}
break;
case 'message':
if($name == 'part')
{
$this->messages[$this->currentMessage][$attrs['name']] = $attrs['type'];
}
break;
case 'portType':
switch($name)
{
case 'operation':
$this->currentOperation = $attrs['name'];
$this->portTypes[$this->currentPortType][$attrs['name']] = $attrs['parameterOrder'];
break;
default:
$this->portOperations[$this->currentOperation][$name]= $attrs;
break;
}
break;
case 'binding':
switch($name)
{
case 'soap:binding':
$this->bindings[$this->currentBinding] = array_merge($this->bindings[$this->currentBinding],$attrs);
break;
case 'operation':
$this->currentOperation = $attrs['name'];
$this->bindings[$this->currentBinding]['operations'][$attrs['name']] = array();
break;
case 'soap:operation':
$this->bindings[$this->currentBinding]['operations'][$this->currentOperation]['soapAction'] = $attrs['soapAction'];
break;
case 'input':
$this->opStatus = 'input';
case 'soap:body':
$this->bindings[$this->currentBinding]['operations'][$this->currentOperation][$this->opStatus] = $attrs;
break;
case 'output':
$this->opStatus = 'output';
break;
}
break;
case 'service':
switch($name)
{
case 'port':
$this->currentPort = $attrs['name'];
$this->ports[$attrs['name']] = $attrs;
break;
case 'soap:address':
$this->ports[$this->currentPort]['location'] = $attrs['location'];
break;
}
break;
}
// set status
switch($name)
{
case 'types':
$this->status = 'types';
break;
case 'message':
$this->status = 'message';
$this->messages[$attrs['name']] = array();
$this->currentMessage = $attrs['name'];
break;
case 'portType':
$this->status = 'portType';
$this->portTypes[$attrs['name']] = array();
$this->currentPortType = $attrs['name'];
break;
case 'binding':
$this->status = 'binding';
$this->currentBinding = $attrs['name'];
$this->bindings[$attrs['name']]['type'] = $attrs['type'];
break;
case 'service':
$this->status = 'service';
break;
}
// get element prefix
if(ereg(":",$name))
{
$prefix = substr($name,0,strpos($name,':'));
}
}
function getEndpoint($portName)
{
if($endpoint = $this->ports[$portName]['location'])
{
return $endpoint;
}
return False;
}
function getPortName($operation)
{
@reset($this->ports);
while(list($port,$portAttrs) = @each($this->ports));
/* foreach($this->ports as $port => $portAttrs) */
{
$binding = substr($portAttrs['binding'],4);
@reset($this->bindings[$binding]['operations']);
while(list($op,$opAttrs) = @each($this->bindings[$binding]['operations']))
/* foreach($this->bindings[$binding]["operations"] as $op => $opAttrs) */
{
if($op == $operation)
{
return $port;
}
}
}
}
function getSoapAction($portName,$operation)
{
if($binding = substr($this->ports[$portName]['binding'],4))
{
if($soapAction = $this->bindings[$binding]['operations'][$operation]['soapAction'])
{
return $soapAction;
}
return False;
}
return False;
}
function getNamespace($portName,$operation)
{
if($binding = substr($this->ports[$portName]['binding'],4))
{
//$this->debug("looking for namespace using binding '$binding', port '$portName', operation '$operation'");
if($namespace = $this->bindings[$binding]['operations'][$operation]['input']['namespace'])
{
return $namespace;
}
return False;
}
return False;
}
// end-element handler
function end_element($parser, $name)
{
// position of current element is equal to the last value left in depth_array for my depth
$pos = $this->depth_array[$this->depth];
// bring depth down a notch
$this->depth--;
}
// element content handler
function character_data($parser, $data)
{
$pos = $this->depth_array[$this->depth];
$this->message[$pos]['cdata'] .= $data;
}
function debug($string)
{
if($this->debug_flag)
{
$this->debug_str .= "$string\n";
}
}
}
?>