remove autoload section in composer.json

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / ConfigSchema / InterchangeBuilder.php

<?php\r
\r
class HTMLPurifier_ConfigSchema_InterchangeBuilder\r
{\r
\r
    /**\r
     * Used for processing DEFAULT, nothing else.\r
     * @type HTMLPurifier_VarParser\r
     */\r
    protected $varParser;\r
\r
    /**\r
     * @param HTMLPurifier_VarParser $varParser\r
     */\r
    public function __construct($varParser = null)\r
    {\r
        $this->varParser = $varParser ? $varParser : new HTMLPurifier_VarParser_Native();\r
    }\r
\r
    /**\r
     * @param string $dir\r
     * @return HTMLPurifier_ConfigSchema_Interchange\r
     */\r
    public static function buildFromDirectory($dir = null)\r
    {\r
        $builder = new HTMLPurifier_ConfigSchema_InterchangeBuilder();\r
        $interchange = new HTMLPurifier_ConfigSchema_Interchange();\r
        return $builder->buildDir($interchange, $dir);\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_ConfigSchema_Interchange $interchange\r
     * @param string $dir\r
     * @return HTMLPurifier_ConfigSchema_Interchange\r
     */\r
    public function buildDir($interchange, $dir = null)\r
    {\r
        if (!$dir) {\r
            $dir = HTMLPURIFIER_PREFIX . '/HTMLPurifier/ConfigSchema/schema';\r
        }\r
        if (file_exists($dir . '/info.ini')) {\r
            $info = parse_ini_file($dir . '/info.ini');\r
            $interchange->name = $info['name'];\r
        }\r
\r
        $files = array();\r
        $dh = opendir($dir);\r
        while (false !== ($file = readdir($dh))) {\r
            if (!$file || $file[0] == '.' || strrchr($file, '.') !== '.txt') {\r
                continue;\r
            }\r
            $files[] = $file;\r
        }\r
        closedir($dh);\r
\r
        sort($files);\r
        foreach ($files as $file) {\r
            $this->buildFile($interchange, $dir . '/' . $file);\r
        }\r
        return $interchange;\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_ConfigSchema_Interchange $interchange\r
     * @param string $file\r
     */\r
    public function buildFile($interchange, $file)\r
    {\r
        $parser = new HTMLPurifier_StringHashParser();\r
        $this->build(\r
            $interchange,\r
            new HTMLPurifier_StringHash($parser->parseFile($file))\r
        );\r
    }\r
\r
    /**\r
     * Builds an interchange object based on a hash.\r
     * @param HTMLPurifier_ConfigSchema_Interchange $interchange HTMLPurifier_ConfigSchema_Interchange object to build\r
     * @param HTMLPurifier_StringHash $hash source data\r
     * @throws HTMLPurifier_ConfigSchema_Exception\r
     */\r
    public function build($interchange, $hash)\r
    {\r
        if (!$hash instanceof HTMLPurifier_StringHash) {\r
            $hash = new HTMLPurifier_StringHash($hash);\r
        }\r
        if (!isset($hash['ID'])) {\r
            throw new HTMLPurifier_ConfigSchema_Exception('Hash does not have any ID');\r
        }\r
        if (strpos($hash['ID'], '.') === false) {\r
            if (count($hash) == 2 && isset($hash['DESCRIPTION'])) {\r
                $hash->offsetGet('DESCRIPTION'); // prevent complaining\r
            } else {\r
                throw new HTMLPurifier_ConfigSchema_Exception('All directives must have a namespace');\r
            }\r
        } else {\r
            $this->buildDirective($interchange, $hash);\r
        }\r
        $this->_findUnused($hash);\r
    }\r
\r
    /**\r
     * @param HTMLPurifier_ConfigSchema_Interchange $interchange\r
     * @param HTMLPurifier_StringHash $hash\r
     * @throws HTMLPurifier_ConfigSchema_Exception\r
     */\r
    public function buildDirective($interchange, $hash)\r
    {\r
        $directive = new HTMLPurifier_ConfigSchema_Interchange_Directive();\r
\r
        // These are required elements:\r
        $directive->id = $this->id($hash->offsetGet('ID'));\r
        $id = $directive->id->toString(); // convenience\r
\r
        if (isset($hash['TYPE'])) {\r
            $type = explode('/', $hash->offsetGet('TYPE'));\r
            if (isset($type[1])) {\r
                $directive->typeAllowsNull = true;\r
            }\r
            $directive->type = $type[0];\r
        } else {\r
            throw new HTMLPurifier_ConfigSchema_Exception("TYPE in directive hash '$id' not defined");\r
        }\r
\r
        if (isset($hash['DEFAULT'])) {\r
            try {\r
                $directive->default = $this->varParser->parse(\r
                    $hash->offsetGet('DEFAULT'),\r
                    $directive->type,\r
                    $directive->typeAllowsNull\r
                );\r
            } catch (HTMLPurifier_VarParserException $e) {\r
                throw new HTMLPurifier_ConfigSchema_Exception($e->getMessage() . " in DEFAULT in directive hash '$id'");\r
            }\r
        }\r
\r
        if (isset($hash['DESCRIPTION'])) {\r
            $directive->description = $hash->offsetGet('DESCRIPTION');\r
        }\r
\r
        if (isset($hash['ALLOWED'])) {\r
            $directive->allowed = $this->lookup($this->evalArray($hash->offsetGet('ALLOWED')));\r
        }\r
\r
        if (isset($hash['VALUE-ALIASES'])) {\r
            $directive->valueAliases = $this->evalArray($hash->offsetGet('VALUE-ALIASES'));\r
        }\r
\r
        if (isset($hash['ALIASES'])) {\r
            $raw_aliases = trim($hash->offsetGet('ALIASES'));\r
            $aliases = preg_split('/\s*,\s*/', $raw_aliases);\r
            foreach ($aliases as $alias) {\r
                $directive->aliases[] = $this->id($alias);\r
            }\r
        }\r
\r
        if (isset($hash['VERSION'])) {\r
            $directive->version = $hash->offsetGet('VERSION');\r
        }\r
\r
        if (isset($hash['DEPRECATED-USE'])) {\r
            $directive->deprecatedUse = $this->id($hash->offsetGet('DEPRECATED-USE'));\r
        }\r
\r
        if (isset($hash['DEPRECATED-VERSION'])) {\r
            $directive->deprecatedVersion = $hash->offsetGet('DEPRECATED-VERSION');\r
        }\r
\r
        if (isset($hash['EXTERNAL'])) {\r
            $directive->external = preg_split('/\s*,\s*/', trim($hash->offsetGet('EXTERNAL')));\r
        }\r
\r
        $interchange->addDirective($directive);\r
    }\r
\r
    /**\r
     * Evaluates an array PHP code string without array() wrapper\r
     * @param string $contents\r
     */\r
    protected function evalArray($contents)\r
    {\r
        return eval('return array(' . $contents . ');');\r
    }\r
\r
    /**\r
     * Converts an array list into a lookup array.\r
     * @param array $array\r
     * @return array\r
     */\r
    protected function lookup($array)\r
    {\r
        $ret = array();\r
        foreach ($array as $val) {\r
            $ret[$val] = true;\r
        }\r
        return $ret;\r
    }\r
\r
    /**\r
     * Convenience function that creates an HTMLPurifier_ConfigSchema_Interchange_Id\r
     * object based on a string Id.\r
     * @param string $id\r
     * @return HTMLPurifier_ConfigSchema_Interchange_Id\r
     */\r
    protected function id($id)\r
    {\r
        return HTMLPurifier_ConfigSchema_Interchange_Id::make($id);\r
    }\r
\r
    /**\r
     * Triggers errors for any unused keys passed in the hash; such keys\r
     * may indicate typos, missing values, etc.\r
     * @param HTMLPurifier_StringHash $hash Hash to check.\r
     */\r
    protected function _findUnused($hash)\r
    {\r
        $accessed = $hash->getAccessed();\r
        foreach ($hash as $k => $v) {\r
            if (!isset($accessed[$k])) {\r
                trigger_error("String hash key '$k' not used by builder", E_USER_NOTICE);\r
            }\r
        }\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r