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C:/xampp/php5/PEAR/PHPDoc/parser/_[ Writable ]

File:C:/xampp/php5/PEAR/PHPDoc/parser/PhpdocFunctionParser.php

<?php
/**
* Looks for documented and undocumented functions within a block of php code.
*
* @version $Id: PhpdocFunctionParser.php,v 1.2 2001/08/28 18:44:23 chagenbu Exp $
*/
class PhpdocFunctionParser extends PhpdocVariableParser {

    /**
    * Internal structur of a function.
    *
    * @var    array    $emptyFunction
    */
    var $emptyFunction = array(
                                'name'  => '',
                                'undoc' => true,
                                
                                'args'  => array()
                              );
        
    /**
    * Array of tags that are allowed in front of the function keyword
    *
    * @var    array    $functionTags
    * @see    analyseFunctionParagraph()
    */
    var $functionTags = array(
                                'parameter'     => true,
                                'param'         => true,
                                
                                'return'        => true,
                                
                                'access'        => true,
                                'abstract'      => true,
                                'static'        => true,
                                
                                'throws'        => true,
                                
                                'see'           => true,
                                'link'          => true,
                                
                                'global'        => true,
                                
                                'version'       => true,
                                'since'         => true,
                                
                                'deprecated'    => true,
                                'deprec'        => true,
                                
                                'brother'       => true,
                                'sister'        => true,
                                
                                'exclude'       => true,
                                'magic'         => true,
                                
                                'author'        => true,
                                'copyright'     => true,
                                
                                'todo'          => true
                           );
    
    /**
    * Analyses a function doc comment.
    * @param    array
    * @return array
    */
    function analyseFunction($para) {
    
        $function = $this->emptyFunction;
        $function['name'] = $para['name'];

        if ('' != $para['doc']) {

            $function = $this->analyseTags($this->getTags($para['doc']), $function, $this->functionTags);
            
            list($msg, $function) = $this->checkParserErrors($function, 'function');
            if (''!=$msg) 
                $this->warn->addDocWarning($this->currentFile, 'function', $function['name'], $msg, 'mismatch');
            
            list($function['sdesc'], $function['desc']) = $this->getDescription($para['doc']);
            
            $function['undoc'] = false;
            
        } 

        $function['args'] = $this->getFunctionArgs($para['head']);            
        return $function;
    } // end func analyseFunction
    
    /**
    * Analyses a function head and returns an array of arguments.
    *
    * @param    string  PHP code to examine.
    * @return   array   Array of arguments: $args[] = array( optional, default, type, name ).
    * @see      getVariableTypeAndValue()
    */                
    function getFunctionArgs($code) {

        $args = array();
        while (preg_match($this->PHP_COMPLEX['argument'], $code, $regs)) {

            $type       = '';
            $value      = '';
            $optional   = false;
        
            if (!isset($regs[3])) {
                
                $len_of_value = strlen($regs[1]);
                
            } else if ('=' == $regs[3]) {
        
                $find     = $regs[1] . $regs[2];
                $code     = substr($code, strpos($code, $find) + strlen($find) );
                
                list ($type, $value, $raw_value) = $this->getVariableTypeAndValue($code);
                $len_of_value = strlen($raw_value);
                $optional = true;
            
            } else {
                
                $len_of_value = strlen($regs[1] . $regs[2]);
                
            }
            
            $code = substr($code, $len_of_value);
            $args[] = array(
                            'optional'  => $optional, 
                            'default'   => $value,
                            'type'      => $type,
                            'name'      => $regs[1]
                           );

        }

        return $args;
    } // end func getFunctionArgs
    
} // end class PhpdocFunctionParser
?>

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