<?php
/**
* Base of the class and module accessor.
*
* @version  $Id: PhpdocDocumentAccessor.php,v 1.1 2001/05/08 04:48:35 sbergmann Exp $
*/
class PhpdocDocumentAccessor extends PhpdocAccessor {

    /**
    * Kind of top-level container in the xml document.
    * 
    * Must be set by all derived classes.
    *
    * @var  string    
    */
    var $xmlkey = "";

    /**
    * Returns an array with all functions.
    *
    * @return   array   $functions
    * @access   public
    * @see      getFunctionsByAccess()
    */
    function getFunctions() {
        return $this->getElements("functions", "functionsaccess");
    } // end func getFunctions
    
    /**
    * Returns an array with all functions with a certain access (public, private) attribute.
    *
    * @param    string  Requested access attribute.
    * @return   array   $functions
    * @access   public
    * @see      getFunctions()
    */
    function getFunctionsByAccess($access) {
        return $this->getElementsByAccess($access, "functions", "functionsaccess");
    } // end func getFunctionByAccess
    
    /**
    * Returns an array with all variables.
    *
    * @return   array   $variables
    * @access   public
    * @see      getVariablesByAccess()
    */
    function getVariables() {
        return $this->getElements("variables", "variablesaccess");
    } // end func getVariables

    /**
    * Returns an array with all variables with a certain access (public, private) attribute.
    *
    * @param    string   Requested access attribute.
    * @return   array    $variables
    * @access   public
    * @see      getVariables()
    */    
    function getVariablesByAccess($access) {
        return $this->getElementsByAccess($access, "variables", "variablesaccess");
    } // end func getVariablesByAccess
    
    /**
    * Returns an array of all constants.
    *
    * @return   array   $constants
    * @access   public
    * @see      getConstantsByAccess()
    */
    function getConstants() {
        return $this->getElements("constants", "constantsaccess");
    } // end func getConstants
    
    /**
    * Returns an array of all constants with a certain access (public, private) attribute.
    *
    * @param    string  Requested access attribute.
    * @return   array   $constants
    * @see      getConstants()
    * @access   public
    */
    function getConstantsByAccess($access) {
        return $this->getElementsByAccess($access, "constants", "constantsaccess");
    } // end func getConstantsByAccess
    
    /**
    * Returns an array of all included files.
    *
    * @return   array    $uses
    * @see      getUsesByType()
    * @access   public
    */
    function getUses() {
        return $this->getElements("uses", "usestype");
    } // end func getUses

    /**
    * Returns an array of all included files with a certain type (include, require...) attribute.
    *
    * @param    string  Requested type: include, include_once, require, require_once
    * @return   array   $uses
    * @access   public
    */    
    function getUsesByType($type) {
        
        $data = array();
        
        if (!isset($this->data["usestype"][$type])) 
            return $data;
            
        reset($this->data["usestype"][$type]);
        while (list($k, $file) = each($this->data["usestype"][$type])) {
        
            $data[$file] = $this->data["uses"][$file];
            if ($this->freeOnGet)
                unset($this->data["uses"][$file]);
                
        }
        
        if ($this->freeOnGet)
            unset($this->data["usestype"][$type]);
            
        return $data;
    } // end func getUsesByType
    
    /**
    * Returns elements from the internal $data array.
    * 
    * The object uses this function to extract functions, variables, uses and 
    * constants from an internal array. Note that this is not a public function,
    * future version might access internal data structures different.
    *
    * @param    string  Name of the element you need: functions, variables,...
    * @param    string  Name of internal element access table
    * @see      $data
    */
    function getElements($element, $elementaccess) {
        
        if ($this->freeOnGet) {
            
            $data = $this->data[$element];
            unset($this->data[$element]);
            unset($this->data[$elementaccess]);
            return $data;
            
        } else {
        
            $this->data[$element];
            
        }
        
    } // end func getElements

    /**
    * Returns elements with a certain access type from the internal data.
    *
    * @param    string  Accesstype
    * @param    string  element name
    * @param    string  access type
    * @brother  getElements()
    */    
    function getElementsByAccess($access, $element, $elementaccess) {
        
        $data = array();
        
        if (!isset($this->data[$elementaccess][$access]))
            return $data;
        
        reset($this->data[$elementaccess][$access]);
        while (list($k, $name) = each($this->data[$elementaccess][$access])) {
            
            $data[$name] = $this->data[$element][$name];
            if ($this->freeOnGet)
                unset($this->data[$element][$name]);
                
        }
        
        if ($this->freeOnGet)
            unset($this->data[$elementaccess][$access]);
            
        return $data;
    } // end func getElementsByAccess

    /**
    * Adds a list of included files to the internal data array.
    */
    function buildUseslist() {

        $this->data["uses"] = array();
        $this->data["usestype"] = array();
        
        if (isset($this->xml[$this->xmlkey]["uses"])) {

            if (isset($this->xml[$this->xmlkey]["uses"][0])) {        
    
                reset($this->xml[$this->xmlkey]["uses"]);
                while (list($k, $data) = each($this->xml[$this->xmlkey]["uses"])) {
                    $this->data["uses"][$data["file"]] = $data;
                    $this->data["usestype"][$data["type"]][] = $data["file"];
                } 
                
            } else {
            
                $data = $this->xml[$this->xmlkey]["uses"];
                $this->data["uses"][$data["file"]] = $data;
                $this->data["usestype"][$data["type"]][] = $data["file"];

            }
            
            unset($this->xml[$this->xmlkey]["uses"]);            
        }
        
    } // end func buildUseslist
    
    /**
    * Adds a list of a certain element to the internal data array.
    *
    * @param    string  name of the element to add: function, variable, constant.
    */
    function getElementlist($element) {
    
        $elements = array();
        $elementaccess = array();
        
        if (isset($this->xml[$this->xmlkey][$element])) {
                                                            
            if (isset($this->xml[$this->xmlkey][$element][0])) {

                reset($this->xml[$this->xmlkey][$element]);
                while (list($k, $data) = each($this->xml[$this->xmlkey][$element])) {
                    $elements[$data["name"]] = $data;
                    $elementaccess[$data["access"]][] = $data["name"];    
                }    
                
            } else {
                
                $data = $this->xml[$this->xmlkey][$element];
                $elements[$data["name"]] = $data;
                $elementaccess[$data["access"]][] = $data["name"];
                
            }
            
            unset($this->xml[$this->xmlkey][$element]);
            
        }
        
        return array($elements, $elementaccess);
    } // end func getElementlist

} // end class PhpdocDocumentAccessor
?>