nusoap.php

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*/
function timestamp_to_iso8601($timestamp,$utc=true){
	$datestr = date('Y-m-d\TH:i:sO',$timestamp);
	if($utc){
		$eregStr =
		'([0-9]{4})-'.	// centuries & years CCYY-
		'([0-9]{2})-'.	// months MM-
		'([0-9]{2})'.	// days DD
		'T'.			// separator T
		'([0-9]{2}):'.	// hours hh:
		'([0-9]{2}):'.	// minutes mm:
		'([0-9]{2})(\.[0-9]*)?'. // seconds ss.ss...
		'(Z|[+\-][0-9]{2}:?[0-9]{2})?'; // Z to indicate UTC, -/+HH:MM:SS.SS... for local tz's

		if(ereg($eregStr,$datestr,$regs)){
			return sprintf('%04d-%02d-%02dT%02d:%02d:%02dZ',$regs[1],$regs[2],$regs[3],$regs[4],$regs[5],$regs[6]);
		}
		return false;
	} else {
		return $datestr;
	}
}

/**
* convert ISO 8601 compliant date string to unix timestamp
*
* @param    string $datestr ISO 8601 compliant date string
* @access   public
*/
function iso8601_to_timestamp($datestr){
	$eregStr =
	'([0-9]{4})-'.	// centuries & years CCYY-
	'([0-9]{2})-'.	// months MM-
	'([0-9]{2})'.	// days DD
	'T'.			// separator T
	'([0-9]{2}):'.	// hours hh:
	'([0-9]{2}):'.	// minutes mm:
	'([0-9]{2})(\.[0-9]+)?'. // seconds ss.ss...
	'(Z|[+\-][0-9]{2}:?[0-9]{2})?'; // Z to indicate UTC, -/+HH:MM:SS.SS... for local tz's
	if(ereg($eregStr,$datestr,$regs)){
		// not utc
		if($regs[8] != 'Z'){
			$op = substr($regs[8],0,1);
			$h = substr($regs[8],1,2);
			$m = substr($regs[8],strlen($regs[8])-2,2);
			if($op == '-'){
				$regs[4] = $regs[4] + $h;
				$regs[5] = $regs[5] + $m;
			} elseif($op == '+'){
				$regs[4] = $regs[4] - $h;
				$regs[5] = $regs[5] - $m;
			}
		}
		return strtotime("$regs[1]-$regs[2]-$regs[3] $regs[4]:$regs[5]:$regs[6]Z");
	} else {
		return false;
	}
}



?><?php



/**
* soap_fault class, allows for creation of faults
* mainly used for returning faults from deployed functions
* in a server instance.
* @author   Dietrich Ayala <[e-mail]>
* @version  v 0.6.3
* @access public
*/
class soap_fault extends nusoap_base {

	var $faultcode;
	var $faultactor;
	var $faultstring;
	var $faultdetail;

	/**
	* constructor
    *
    * @param string $faultcode (client | server)
    * @param string $faultactor only used when msg routed between multiple actors
    * @param string $faultstring human readable error message
    * @param string $faultdetail
	*/
	function soap_fault($faultcode,$faultactor='',$faultstring='',$faultdetail=''){
		$this->faultcode = $faultcode;
		$this->faultactor = $faultactor;
		$this->faultstring = $faultstring;
		$this->faultdetail = $faultdetail;
	}

	/**
	* serialize a fault
	*
	* @access   public
	*/
	function serialize(){
		$ns_string = '';
		foreach($this->namespaces as $k => $v){
			$ns_string .= "\n  xmlns:$k=\"$v\"";
		}
		$return_msg =
			'<?xml version="1.0"?'.">\n".
			'<SOAP-ENV:Envelope SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"'.$ns_string.">\n".
				'<SOAP-ENV:Body>'.
				'<SOAP-ENV:Fault>'.
					'<faultcode>'.$this->faultcode.'</faultcode>'.
					'<faultactor>'.$this->faultactor.'</faultactor>'.
					'<faultstring>'.$this->faultstring.'</faultstring>'.
					'<detail>'.$this->serialize_val($this->faultdetail).'</detail>'.
				'</SOAP-ENV:Fault>'.
				'</SOAP-ENV:Body>'.
			'</SOAP-ENV:Envelope>';
		return $return_msg;
	}
}



?><?php



/**
* parses an XML Schema, allows access to it's data, other utility methods
* no validation... yet.
* very experimental and limited. As is discussed on XML-DEV, I'm one of the people
* that just doesn't have time to read the spec(s) thoroughly, and just have a couple of trusty
* tutorials I refer to :)
*
* @author   Dietrich Ayala <[e-mail]>
* @version  v 0.6.3
* @access   public
*/
class XMLSchema extends nusoap_base  {
	
	// files
	var $schema = '';
	var $xml = '';
	// define internal arrays of bindings, ports, operations, messages, etc.
	var $complexTypes = array();
	// target namespace
	var $schemaTargetNamespace = '';
	// parser vars
	var $parser;
	var $position;
	var $depth = 0;
	var $depth_array = array();
    
	/**
	* constructor
	*
	* @param    string $schema schema document URI
	* @param    string $xml xml document URI
	* @access   public
	*/
	function XMLSchema($schema='',$xml=''){

		$this->debug('xmlschema class instantiated, inside constructor');
		// files
		$this->schema = $schema;
		$this->xml = $xml;

		// parse schema file
		if($schema != ''){
			$this->debug('initial schema file: '.$schema);
			$this->parseFile($schema);
		}

		// parse xml file
		if($xml != ''){
			$this->debug('initial xml file: '.$xml);
			$this->parseFile($xml);
		}

	}

    /**
    * parse an XML file
    *
    * @param string $xml, path/URL to XML file
    * @param string $type, (schema | xml)
	* @return boolean
    * @access public
    */
	function parseFile($xml,$type){
		// parse xml file
		if($xml != ""){
			$this->debug('parsing $xml');
			$xmlStr = @join("",@file($xml));
			if($xmlStr == ""){
				$this->setError('No file at the specified URL: '.$xml);
			return false;
			} else {
				$this->parseString($xmlStr,$type);
			return true;
			}
		}
		return false;
	}

	/**
	* parse an XML string
	*
	* @param    string $xml path or URL
    * @param string $type, (schema|xml)
	* @access   private
	*/
	function parseString($xml,$type){
		// parse xml string
		if($xml != ""){

	    	// Create an XML parser.
	    	$this->parser = xml_parser_create();
	    	// Set the options for parsing the XML data.
	    	xml_parser_set_option($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.
			if($type == "schema"){
		    	xml_set_element_handler($this->parser, 'schemaStartElement','schemaEndElement');
		    	xml_set_character_data_handler($this->parser,'schemaCharacterData');
			} elseif($type == "xml"){
				xml_set_element_handler($this->parser, 'xmlStartElement"','xmlEndElement');
		    	xml_set_character_data_handler($this->parser,'xmlCharacterData');
			}

		    // Parse the XML file.
		    if(!xml_parse($this->parser,$xml,true)){
			// Display an error message.
				$errstr = sprintf('XML error on line %d: %s',
				xml_get_current_line_number($this->parser),
				xml_error_string(xml_get_error_code($this->parser))
				);
				$this->debug('XML parse error: '.$errstr);
				$this->setError('Parser error: '.$errstr);
	    	}
            
			xml_parser_free($this->parser);
		} else{
			$this->debug('no xml passed to parseString()!!');
			$this->setError('no xml passed to parseString()!!');
		}
	}

	/**
	* start-element handler
	*
	* @param    string $parser XML parser object
	* @param    string $name element name
	* @param    string $attrs associative array of attributes
	* @access   private
	*/
	function schemaStartElement($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;

		// get element prefix
		if($prefix = $this->getPrefix($name)){
			// get unqualified name
			$name = $this->getLocalPart($name);
		} else {
        	$prefix = '';
        }
		
        // loop thru attributes, expanding, and registering namespace declarations
        if(count($attrs) > 0){
        	foreach($attrs as $k => $v){
                // if ns declarations, add to class level array of valid namespaces
				if(ereg("^xmlns",$k)){
                	//$this->xdebug("$k: $v");
                	//$this->xdebug('ns_prefix: '.$this->getPrefix($k));
                	if($ns_prefix = substr(strrchr($k,':'),1)){
						$this->namespaces[$ns_prefix] = $v;
					} else {
						$this->namespaces['ns'.(count($this->namespaces)+1)] = $v;
					}
					if($v == 'http://www.w3.org/2001/XMLSchema' || $v == 'http://www.w3.org/1999/XMLSchema'){
						$this->XMLSchemaVersion = $v;
						$this->namespaces['xsi'] = $v.'-instance';
					}
				}
                // expand each attribute
                $k = strpos($k,':') ? $this->expandQname($k) : $k;
                $v = strpos($v,':') ? $this->expandQname($v) : $v;
        		$eAttrs[$k] = $v;
        	}
        	$attrs = $eAttrs;
        } else {
        	$attrs = array();
        }
		// find status, register data
		switch($name){
			case ('all'|'choice'|'sequence'):
				//$this->complexTypes[$this->currentComplexType]['compositor'] = 'all';
				$this->complexTypes[$this->currentComplexType]['compositor'] = $name;
				if($name == 'all'){
					$this->complexTypes[$this->currentComplexType]['phpType'] = 'struct';
				}
			break;
			case 'attribute':
            	//$this->xdebug("parsing attribute $attrs[name] $attrs[ref] of value: ".$attrs['http://schemas.xmlsoap.org/wsdl/:arrayType']);
                if(isset($attrs['name'])){
					$this->attributes[$attrs['name']] = $attrs;
					$aname = $attrs['name'];
				} elseif($attrs['ref']){
					$aname = $attrs['ref'];
                    $this->attributes[$attrs['ref']] = $attrs;
				}
                
				if(isset($this->currentComplexType)){
					$this->complexTypes[$this->currentComplexType]['attrs'][$aname] = $attrs;
				} elseif(isset($this->currentElement)){
					$this->elements[$this->currentElement]['attrs'][$aname] = $attrs;
				}
				// arrayType attribute
				if($this->getLocalPart($aname) == 'arrayType'){
                	$this->complexTypes[$this->currentComplexType]['phpType'] = 'array';
					if(isset($attrs['http://schemas.xmlsoap.org/wsdl/:arrayType'])){
						$v = $attrs['http://schemas.xmlsoap.org/wsdl/:arrayType'];
					} else {
						$v = '';
					}
                    if(strpos($v,'[,]')){
                        $this->complexTypes[$this->currentComplexType]['multidimensional'] = true;
                    }
                    $v = substr($v,0,strpos($v,'[')); // clip the []
                    if(!strpos($v,':') && isset($this->typemap[$this->XMLSchemaVersion][$v])){
                        $v = $this->XMLSchemaVersion.':'.$v;
                    }
                    $this->complexTypes[$this->currentComplexType]['arrayType'] = $v;
				}
			break;
			case 'complexType':
				if(isset($attrs['name'])){
					$this->currentElement = false;
					$this->currentComplexType = $attrs['name'];
					$this->complexTypes[$this->currentComplexType] = $attrs;
					$this->complexTypes[$this->currentComplexType]['typeClass'] = 'complexType';
					if(isset($attrs['base']) && ereg(':Array$',$attrs['base'])){
						$this->complexTypes[$this->currentComplexType]['phpType'] = 'array';
					} else {
						$this->complexTypes[$this->currentComplexType]['phpType'] = 'struct';
					}
					$this->xdebug('processing complexType '.$attrs['name']);
				}
			break;
			case 'element':
				if(isset($attrs['type'])){
					$this->xdebug("processing element ".$attrs['name']);
					$this->currentElement = $attrs['name'];
					$this->elements[ $attrs['name'] ] = $attrs;
					$this->elements[ $attrs['name'] ]['typeClass'] = 'element';
					$ename = $attrs['name'];
				} elseif(isset($attrs['ref'])){
					$ename = $attrs['ref'];
				} else {
					$this->xdebug('adding complexType '.$attrs['name']);
					$this->currentComplexType = $attrs['name'];
					$this->complexTypes[ $attrs['name'] ] = $attrs;
					$this->complexTypes[ $attrs['name'] ]['element'] = 1;
					$this->complexTypes[$this->currentComplexType]['phpType'] = 'struct';
				}
				if(isset($ename) && $this->currentComplexType){
					$this->complexTypes[$this->currentComplexType]['elements'][$ename] = $attrs;
				}
			break;
			case 'restriction':
				$this->xdebug("in restriction for ct: $this->currentComplexType and ce: $this->currentElement");
				if($this->currentElement){
					$this->elements[$this->currentElement]['type'] = $attrs['base'];
				} elseif($this->currentComplexType){
					$this->complexTypes[$this->currentComplexType]['restrictionBase'] = $attrs['base'];
					if(strstr($attrs['base'],':') == ':Array'){
						$this->complexTypes[$this->currentComplexType]['phpType'] = 'array';
					}
				}
			break;
			case 'schema':
				$this->schema = $attrs;
				$this->schema['schemaVersion'] = $this->getNamespaceFromPrefix($prefix);
			break;
			case 'simpleType':
				$this->currentElement = $attrs['name'];
				$this->elements[ $attrs['name'] ] = $attrs;
				$this->elements[ $attrs['name'] ]['typeClass'] = 'element';
			break;
		}
	}

	/**
	* end-element handler
	*
	* @param    string $parser XML parser object
	* @param    string $name element name
	* @access   private
	*/
	function schemaEndElement($parser, $name) {
		// position of current element is equal to the last value left in depth_array for my depth
		if(isset($this->depth_array[$this->depth])){
        	$pos = $this->depth_array[$this->depth];
        }
		// bring depth down a notch
		$this->depth--;
		// move on...
		if($name == 'complexType'){
			$this->currentComplexType = false;
			$this->currentElement = false;
		}
		if($name == 'element'){
			$this->currentElement = false;
		}
	}

	/**
	* element content handler
	*
	* @param    string $parser XML parser object
	* @param    string $data element content
	* @access   private
	*/
	function schemaCharacterData($parser, $data){
		$pos = $this->depth_array[$this->depth];
		$this->message[$pos]['cdata'] .= $data;
	}

	/**