remove autoload section in composer.json

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

<?php\r
\r
/**\r
 * Parses string hash files. File format is as such:\r
 *\r
 *      DefaultKeyValue\r
 *      KEY: Value\r
 *      KEY2: Value2\r
 *      --MULTILINE-KEY--\r
 *      Multiline\r
 *      value.\r
 *\r
 * Which would output something similar to:\r
 *\r
 *      array(\r
 *          'ID' => 'DefaultKeyValue',\r
 *          'KEY' => 'Value',\r
 *          'KEY2' => 'Value2',\r
 *          'MULTILINE-KEY' => "Multiline\nvalue.\n",\r
 *      )\r
 *\r
 * We use this as an easy to use file-format for configuration schema\r
 * files, but the class itself is usage agnostic.\r
 *\r
 * You can use ---- to forcibly terminate parsing of a single string-hash;\r
 * this marker is used in multi string-hashes to delimit boundaries.\r
 */\r
class HTMLPurifier_StringHashParser\r
{\r
\r
    /**\r
     * @type string\r
     */\r
    public $default = 'ID';\r
\r
    /**\r
     * Parses a file that contains a single string-hash.\r
     * @param string $file\r
     * @return array\r
     */\r
    public function parseFile($file)\r
    {\r
        if (!file_exists($file)) {\r
            return false;\r
        }\r
        $fh = fopen($file, 'r');\r
        if (!$fh) {\r
            return false;\r
        }\r
        $ret = $this->parseHandle($fh);\r
        fclose($fh);\r
        return $ret;\r
    }\r
\r
    /**\r
     * Parses a file that contains multiple string-hashes delimited by '----'\r
     * @param string $file\r
     * @return array\r
     */\r
    public function parseMultiFile($file)\r
    {\r
        if (!file_exists($file)) {\r
            return false;\r
        }\r
        $ret = array();\r
        $fh = fopen($file, 'r');\r
        if (!$fh) {\r
            return false;\r
        }\r
        while (!feof($fh)) {\r
            $ret[] = $this->parseHandle($fh);\r
        }\r
        fclose($fh);\r
        return $ret;\r
    }\r
\r
    /**\r
     * Internal parser that acepts a file handle.\r
     * @note While it's possible to simulate in-memory parsing by using\r
     *       custom stream wrappers, if such a use-case arises we should\r
     *       factor out the file handle into its own class.\r
     * @param resource $fh File handle with pointer at start of valid string-hash\r
     *            block.\r
     * @return array\r
     */\r
    protected function parseHandle($fh)\r
    {\r
        $state   = false;\r
        $single  = false;\r
        $ret     = array();\r
        do {\r
            $line = fgets($fh);\r
            if ($line === false) {\r
                break;\r
            }\r
            $line = rtrim($line, "\n\r");\r
            if (!$state && $line === '') {\r
                continue;\r
            }\r
            if ($line === '----') {\r
                break;\r
            }\r
            if (strncmp('--#', $line, 3) === 0) {\r
                // Comment\r
                continue;\r
            } elseif (strncmp('--', $line, 2) === 0) {\r
                // Multiline declaration\r
                $state = trim($line, '- ');\r
                if (!isset($ret[$state])) {\r
                    $ret[$state] = '';\r
                }\r
                continue;\r
            } elseif (!$state) {\r
                $single = true;\r
                if (strpos($line, ':') !== false) {\r
                    // Single-line declaration\r
                    list($state, $line) = explode(':', $line, 2);\r
                    $line = trim($line);\r
                } else {\r
                    // Use default declaration\r
                    $state  = $this->default;\r
                }\r
            }\r
            if ($single) {\r
                $ret[$state] = $line;\r
                $single = false;\r
                $state  = false;\r
            } else {\r
                $ret[$state] .= "$line\n";\r
            }\r
        } while (!feof($fh));\r
        return $ret;\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r