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Diffstat (limited to 'devel-utf8/itjs.class')
| -rw-r--r-- | devel-utf8/itjs.class | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/devel-utf8/itjs.class b/devel-utf8/itjs.class new file mode 100644 index 0000000..a7a6a15 --- /dev/null +++ b/devel-utf8/itjs.class @@ -0,0 +1,186 @@ +<?php +/* +** $Id$ +** +** Copyright (C) 1995-2007 by the ITools Authors. +** This file is part of ITools - the Internet Tools Library +** +** ITools is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 3 of the License, or +** (at your option) any later version. +** +** ITools is distributed in the hope that it will be useful, +** but WITHOUT ANY WARRANTY; without even the implied warranty of +** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +** GNU General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program. If not, see <http://www.gnu.org/licenses/>. +** +** itjs.class - functions to handle javascript inclusion +*/ + +class itjs +{ + +/** + * Send HTTP headers (content-type) to transmit javascript code + */ +function send_headers($charset = 'iso-8859-1') +{ + if (!preg_match('/Opera/', $_SERVER['HTTP_USER_AGENT']) && !$_REQUEST['itjs_iframe']) # text/plain breaks Opera 8.51/Linux and IFrame fallback + header("Content-Type: text/plain; charset=$charset"); # Berni reported some Firewalls to require this + + header('Expires: ' . gmdate('D, d M Y H:i:s', time()+10) . ' GMT'); # prevent broken data on IE reloads +} + +/** + * Serialize the result into a javascript script + * @param $values Array with values to be serialized + * @param $envelope Encapsulate the data when callback function is provided (iframe solution) + * @return String with javascript code to be sent to client + */ +function serialize($values, $envelope = false) +{ + if (($envelope || isset($values['eof'])) && ($callback = it::replace(array('[^\w.]' => ""), $_REQUEST['itjs_call']))) + { + $target = $_REQUEST['itjs_iframe'] ? "parent" : "window"; + list($itclass) = explode('.', $callback); + $header = "$target.$itclass && $target.$callback && $target.$callback.dataReady("; + $footer = "," . intval($_REQUEST['itjs_callid']) . ");"; + + if ($_REQUEST['itjs_iframe']) # iframe-based loading required by Opera 7 + { + $header = '<script type="text/javascript">' . $header; + $footer .= "</script>"; + } + } + + $result = $header . itjs::encode($values) . $footer; + + return it_untaint($result); +} + +/* + * Encode the result into a javascript array to transfer and eval() in client + */ +function encode($values) +{ + $texts = ($values === array_values($values)) ? "[]0 " : "{}1\n"; # Numerical or associative array + static $jskeyword = array("abstract" => 1, "boolean" => 1, "break" => 1, "byte" => 1, "case" => 1, "catch" => 1, "char" => 1, "class" => 1, "const" => 1, "continue" => 1, "debugger" => 1, "default" => 1, "delete" => 1, "do" => 1, "double" => 1, "each" => 1, "else" => 1, "enum" => 1, "export" => 1, "extends" => 1, "false" => 1, "final" => 1, "finally" => 1, "float" => 1, "for" => 1, "function" => 1, "goto" => 1, "if" => 1, "implements" => 1, "import" => 1, "in" => 1, "instanceof" => 1, "int" => 1, "interface" => 1, "long" => 1, "namespace" => 1, "native" => 1, "new" => 1, "null" => 1, "package" => 1, "private" => 1, "protected" => 1, "public" => 1, "return" => 1, "short" => 1, "static" => 1, "super" => 1, "switch" => 1, "synchronized" => 1, "this" => 1, "throw" => 1, "throws" => 1, "transient" => 1, "true" => 1, "try" => 1, "typeof" => 1, "var" => 1, "void" => 1, "volatile" => 1, "while" => 1, "with" => 1, "xml" => 1); + + $result = $texts{0}; + + foreach ($values as $key => $value) + { + $result .= $separator; + + if ($texts{2}) + { + if ($jskeyword[$key] || !preg_match('/^[a-z_]\w*$/i', $key)) + $key = "'$key'"; + + $result .= "$key:"; + } + + if ($value === true) + $result .= 'true'; + else if ($value === false) + $result .= 'false'; + else if (!is_array($value)) + { + $quote = (strval(intval($value)) === strval($value)) ? "" : '"'; + $string = strtr($value, array("\0" => '\\0', "\x84" => '\\"', "\x93" => '\\"',"\x94" => '\\"', '"' => '\\"', "</"=>"<\\/", "\n" => '\\n', "\r" => '\\r', "\t" => '\\t', "\\" => '\\\\')); + $string = $GLOBALS['itjs_defaultconfig']['latin2unicode'] ? preg_replace_callback('/([\xa0-\xff])/', function($m) { return sprintf("\\u%04x", ord($m[1])); }, $string) : $string; + $result .= $quote . $string . $quote; + } + else + $result .= itjs::encode($value); + + $separator = "," . $texts{3}; + } + + $result .= $texts{1}; + + return $result; +} + +function filenames($filelist) +{ + $result = array(); + $path = $GLOBALS['ULTRAHOME'] . "/itjs"; + $itjs = "/www/server/phpinclude/itools/itjs"; + $libsearch = strlen($GLOBALS['debug_lib']) > 1 ? "/www/lib-" . $GLOBALS['debug_lib'] . ".search.ch" : "/www/lib.search.ch"; + $special = array( + "itools" => "$itjs/it.js,$itjs/http.js,$itjs/loader.js,$itjs/state.js,$itjs/timer.js", + "boot.js" => "$itjs/boot.js", + "state.html" => "$itjs/state.html", + "error.gif" => "$itjs/error.gif", + "search.css" => "$libsearch/doc/search.css", + "searchlib.js" => "$libsearch/itjs/searchlib.js", + "sl_state.js" => "$libsearch/itjs/sl_state.js", + "sl_dropdown.js" => "$libsearch/itjs/sl_dropdown.js", + "sl_collapse.js" => "$libsearch/itjs/sl_collapse.js", + "sl_adid_debug.js" => "$libsearch/itjs/sl_adid_debug.js", + "locateme.js" => "$libsearch/itjs/locateme.js", + "prettyprint.css" => "$libsearch/doc/prettyprint.css", + "PIE.htc" => "$libsearch/doc/PIE.htc", + ); + + foreach (array_filter(explode(",", it::replace(array('\?.*' => ""), $filelist))) as $file) + { + $filenames = $special[$file] ? $special[$file] : "$path/$file"; + + foreach (explode(",", $filenames) as $filename) + if (!$seen[$filename]++) + $result[] = $filename; + } + + return $result; +} + +/** + * Strip comments and trim lines + * @param $code String containing javascript code to be stripped + * @return Naked code + */ +function strip($code) +{ + if (!it::is_devel()) + $code = preg_replace(array( + '|\s//.*$|m', + '|\s+/\*.*?\*/|s', # MUST require at least one space before "/*" (jquery.js) but MUST NOT require space before "*/" (searchmap.js) + '|^\s+|m' + ), array(), $code); + if (EDC('print')) + $code = it::replace(array('@media\s+print' => '@media screen, print'), $code); + + return $code; +} + +/** + * Compute checksum for list of files + * @param $files Array of filenames to calculate checksum for + * @return Checksum for given files + */ +function checksum($files = array()) +{ + $itjs = "/www/server/phpinclude/itools/itjs"; + $itools_itjs = glob("$itjs/*.{js,css,php}", GLOB_BRACE); + $service_itjs = glob($GLOBALS['ULTRAHOME'] . "/itjs/*.{js,css,php}", GLOB_BRACE); + + foreach (array_merge($files, $service_itjs, $itools_itjs, array("$itjs/itjs.php", "$itjs/itjs.class")) as $file) + { + if (!it::is_devel()) + $result += @filesize($file); + else + $result = md5($result . @file_get_contents($file)); + } + + return $result; +} + +} + +?> |