v1.php

php-4.4.7学习linux时下载的源代码

                $this->_validateError(PEAR_PACKAGEFILE_ERROR_CHANNELVAL, $chan->getMessage());
                return $this->_isValid = 0;
            }
            $validator = $chan->getValidationObject();
            $validator->setPackageFile($this);
            $validator->validate($state);
            $failures = $validator->getFailures();
            foreach ($failures['errors'] as $error) {
                $this->_validateError(PEAR_PACKAGEFILE_ERROR_CHANNELVAL, $error);
            }
            foreach ($failures['warnings'] as $warning) {
                $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_CHANNELVAL, $warning);
            }
        }
        if ($this->_isValid && $state == PEAR_VALIDATE_PACKAGING && !$nofilechecking) {
            if ($this->_analyzePhpFiles()) {
                $this->_isValid = true;
            }
        }
        if ($this->_isValid) {
            return $this->_isValid = $state;
        }
        return $this->_isValid = 0;
    }

    function _analyzePhpFiles()
    {
        if (!$this->_isValid) {
            return false;
        }
        if (!isset($this->_packageFile)) {
            return false;
        }
        $dir_prefix = dirname($this->_packageFile);
        $common = new PEAR_Common;
        $log = isset($this->_logger) ? array(&$this->_logger, 'log') :
            array($common, 'log');
        $info = $this->getFilelist();
        foreach ($info as $file => $fa) {
            if (!file_exists($dir_prefix . DIRECTORY_SEPARATOR . $file)) {
                $this->_validateError(PEAR_PACKAGEFILE_ERROR_FILE_NOTFOUND,
                    array('file' => realpath($dir_prefix) . DIRECTORY_SEPARATOR . $file));
                continue;
            }
            if ($fa['role'] == 'php' && $dir_prefix) {
                call_user_func_array($log, array(1, "Analyzing $file"));
                $srcinfo = $this->_analyzeSourceCode($dir_prefix . DIRECTORY_SEPARATOR . $file);
                if ($srcinfo) {
                    $this->_buildProvidesArray($srcinfo);
                }
            }
        }
        $this->_packageName = $pn = $this->getPackage();
        $pnl = strlen($pn);
        if (isset($this->_packageInfo['provides'])) {
            foreach ((array) $this->_packageInfo['provides'] as $key => $what) {
                if (isset($what['explicit'])) {
                    // skip conformance checks if the provides entry is
                    // specified in the package.xml file
                    continue;
                }
                extract($what);
                if ($type == 'class') {
                    if (!strncasecmp($name, $pn, $pnl)) {
                        continue;
                    }
                    $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_NO_PNAME_PREFIX,
                        array('file' => $file, 'type' => $type, 'name' => $name, 'package' => $pn));
                } elseif ($type == 'function') {
                    if (strstr($name, '::') || !strncasecmp($name, $pn, $pnl)) {
                        continue;
                    }
                    $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_NO_PNAME_PREFIX,
                        array('file' => $file, 'type' => $type, 'name' => $name, 'package' => $pn));
                }
            }
        }
        return $this->_isValid;
    }

    /**
     * Get the default xml generator object
     *
     * @return PEAR_PackageFile_Generator_v1
     */
    function &getDefaultGenerator()
    {
        if (!class_exists('PEAR_PackageFile_Generator_v1')) {
            require_once 'PEAR/PackageFile/Generator/v1.php';
        }
        $a = &new PEAR_PackageFile_Generator_v1($this);
        return $a;
    }

    /**
     * Get the contents of a file listed within the package.xml
     * @param string
     * @return string
     */
    function getFileContents($file)
    {
        if ($this->_archiveFile == $this->_packageFile) { // unpacked
            $dir = dirname($this->_packageFile);
            $file = $dir . DIRECTORY_SEPARATOR . $file;
            $file = str_replace(array('/', '\\'),
                array(DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR), $file);
            if (file_exists($file) && is_readable($file)) {
                return implode('', file($file));
            }
        } else { // tgz
            if (!class_exists('Archive_Tar')) {
                require_once 'Archive/Tar.php';
            }
            $tar = &new Archive_Tar($this->_archiveFile);
            $tar->pushErrorHandling(PEAR_ERROR_RETURN);
            if ($file != 'package.xml' && $file != 'package2.xml') {
                $file = $this->getPackage() . '-' . $this->getVersion() . '/' . $file;
            }
            $file = $tar->extractInString($file);
            $tar->popErrorHandling();
            if (PEAR::isError($file)) {
                return PEAR::raiseError("Cannot locate file '$file' in archive");
            }
            return $file;
        }
    }

    // {{{ analyzeSourceCode()
    /**
     * Analyze the source code of the given PHP file
     *
     * @param  string Filename of the PHP file
     * @return mixed
     * @access private
     */
    function _analyzeSourceCode($file)
    {
        if (!function_exists("token_get_all")) {
            return false;
        }
        if (!defined('T_DOC_COMMENT')) {
            define('T_DOC_COMMENT', T_COMMENT);
        }
        if (!defined('T_INTERFACE')) {
            define('T_INTERFACE', -1);
        }
        if (!defined('T_IMPLEMENTS')) {
            define('T_IMPLEMENTS', -1);
        }
        if (!$fp = @fopen($file, "r")) {
            return false;
        }
        if (function_exists('file_get_contents')) {
            fclose($fp);
            $contents = file_get_contents($file);
        } else {
            $contents = @fread($fp, filesize($file));
            fclose($fp);
        }
        $tokens = token_get_all($contents);
/*
        for ($i = 0; $i < sizeof($tokens); $i++) {
            @list($token, $data) = $tokens[$i];
            if (is_string($token)) {
                var_dump($token);
            } else {
                print token_name($token) . ' ';
                var_dump(rtrim($data));
            }
        }
*/
        $look_for = 0;
        $paren_level = 0;
        $bracket_level = 0;
        $brace_level = 0;
        $lastphpdoc = '';
        $current_class = '';
        $current_interface = '';
        $current_class_level = -1;
        $current_function = '';
        $current_function_level = -1;
        $declared_classes = array();
        $declared_interfaces = array();
        $declared_functions = array();
        $declared_methods = array();
        $used_classes = array();
        $used_functions = array();
        $extends = array();
        $implements = array();
        $nodeps = array();
        $inquote = false;
        $interface = false;
        for ($i = 0; $i < sizeof($tokens); $i++) {
            if (is_array($tokens[$i])) {
                list($token, $data) = $tokens[$i];
            } else {
                $token = $tokens[$i];
                $data = '';
            }
            if ($inquote) {
                if ($token != '"' && $token != T_END_HEREDOC) {
                    continue;
                } else {
                    $inquote = false;
                    continue;
                }
            }
            switch ($token) {
                case T_WHITESPACE :
                    continue;
                case ';':
                    if ($interface) {
                        $current_function = '';
                        $current_function_level = -1;
                    }
                    break;
                case '"':
                case T_START_HEREDOC:
                    $inquote = true;
                    break;
                case T_CURLY_OPEN:
                case T_DOLLAR_OPEN_CURLY_BRACES:
                case '{': $brace_level++; continue 2;
                case '}':
                    $brace_level--;
                    if ($current_class_level == $brace_level) {
                        $current_class = '';
                        $current_class_level = -1;
                    }
                    if ($current_function_level == $brace_level) {
                        $current_function = '';
                        $current_function_level = -1;
                    }
                    continue 2;
                case '[': $bracket_level++; continue 2;
                case ']': $bracket_level--; continue 2;
                case '(': $paren_level++;   continue 2;
                case ')': $paren_level--;   continue 2;
                case T_INTERFACE:
                    $interface = true;
                case T_CLASS:
                    if (($current_class_level != -1) || ($current_function_level != -1)) {
                        $this->_validateError(PEAR_PACKAGEFILE_ERROR_INVALID_PHPFILE,
                            array('file' => $file));
                        return false;
                    }
                case T_FUNCTION:
                case T_NEW:
                case T_EXTENDS:
                case T_IMPLEMENTS:
                    $look_for = $token;
                    continue 2;
                case T_STRING:
                    if (version_compare(zend_version(), '2.0', '<')) {
                        if (in_array(strtolower($data),
                            array('public', 'private', 'protected', 'abstract',
                                  'interface', 'implements', 'throw') 
                                 )) {
                            $this->_validateWarning(PEAR_PACKAGEFILE_ERROR_PHP5,
                                array($file));
                        }
                    }
                    if ($look_for == T_CLASS) {
                        $current_class = $data;
                        $current_class_level = $brace_level;
                        $declared_classes[] = $current_class;
                    } elseif ($look_for == T_INTERFACE) {
                        $current_interface = $data;
                        $current_class_level = $brace_level;
                        $declared_interfaces[] = $current_interface;
                    } elseif ($look_for == T_IMPLEMENTS) {
                        $implements[$current_class] = $data;
                    } elseif ($look_for == T_EXTENDS) {
                        $extends[$current_class] = $data;
                    } elseif ($look_for == T_FUNCTION) {
                        if ($current_class) {
                            $current_function = "$current_class::$data";
                            $declared_methods[$current_class][] = $data;
                        } elseif ($current_interface) {
                            $current_function = "$current_interface::$data";
                            $declared_methods[$current_interface][] = $data;
                        } else {
                            $current_function = $data;
                            $declared_functions[] = $current_function;
                        }
                        $current_function_level = $brace_level;
                        $m = array();
                    } elseif ($look_for == T_NEW) {
                        $used_classes[$data] = true;
                    }
                    $look_for = 0;
                    continue 2;
                case T_VARIABLE:
                    $look_for = 0;
                    continue 2;
                case T_DOC_COMMENT:
                case T_COMMENT:
                    if (preg_match('!^/\*\*\s!', $data)) {
                        $lastphpdoc = $data;
                        if (preg_match_all('/@nodep\s+(\S+)/', $lastphpdoc, $m)) {
                            $nodeps = array_merge($nodeps, $m[1]);
                        }
                    }
                    continue 2;
                case T_DOUBLE_COLON:
                    if (!($tokens[$i - 1][0] == T_WHITESPACE || $tokens[$i - 1][0] == T_STRING)) {
                        $this->_validateError(PEAR_PACKAGEFILE_ERROR_INVALID_PHPFILE,
                            array('file' => $file));
                        return false;
                    }
                    $class = $tokens[$i - 1][1];
                    if (strtolower($class) != 'parent') {
                        $used_classes[$class] = true;
                    }
                    continue 2;
            }
        }
        return array(
            "source_file" => $file,
            "declared_classes" => $declared_classes,
            "declared_interfaces" => $declared_interfaces,
            "declared_methods" => $declared_methods,
            "declared_functions" => $declared_functions,
            "used_classes" => array_diff(array_keys($used_classes), $nodeps),
            "inheritance" => $extends,
            "implements" => $implements,
            );
    }

    /**
     * Build a "provides" array from data returned by
     * analyzeSourceCode().  The format of the built array is like
     * this:
     *
     *  array(
     *    'class;MyClass' => 'array('type' => 'class', 'name' => 'MyClass'),
     *    ...
     *  )
     *
     *
     * @param array $srcinfo array with information about a source file
     * as returned by the analyzeSourceCode() method.
     *
     * @return void
     *
     * @access private
     *
     */
    function _buildProvidesArray($srcinfo)
    {
        if (!$this->_isValid) {
            return false;
        }
        $file = basename($srcinfo['source_file']);
        $pn = $this->getPackage();
        $pnl = strlen($pn);
        foreach ($srcinfo['declared_classes'] as $class) {
            $key = "class;$class";
            if (isset($this->_packageInfo['provides'][$key])) {
                continue;
            }
            $this->_packageInfo['provides'][$key] =
                array('file'=> $file, 'type' => 'class', 'name' => $class);
            if (isset($srcinfo['inheritance'][$class])) {
                $this->_packageInfo['provides'][$key]['extends'] =
                    $srcinfo['inheritance'][$class];
            }
        }
        foreach ($srcinfo['declared_methods'] as $class => $methods) {
            foreach ($methods as $method) {
                $function = "$class::$method";
                $key = "function;$function";
                if ($method{0} == '_' || !strcasecmp($method, $class) ||
                    isset($this->_packageInfo['provides'][$key])) {
                    continue;
                }
                $this->_packageInfo['provides'][$key] =
                    array('file'=> $file, 'type' => 'function', 'name' => $function);
            }
        }

        foreach ($srcinfo['declared_functions'] as $function) {
            $key = "function;$function";
            if ($function{0} == '_' || isset($this->_packageInfo['provides'][$key])) {
                continue;
            }
            if (!strstr($function, '::') && strncasecmp($function, $pn, $pnl)) {
                $warnings[] = "in1 " . $file . ": function \"$function\" not prefixed with package name \"$pn\"";
            }
            $this->_packageInfo['provides'][$key] =
                array('file'=> $file, 'type' => 'function', 'name' => $function);
        }
    }

    // }}}
}
?>