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authorNathan Gass2012-03-22 18:23:53 +0000
committerNathan Gass2012-03-22 18:23:53 +0000
commit338cda9000356404cf2865d61787607acf67fe98 (patch)
tree3924b3e2e12a5d5ea3b40890477d5e070498543c /devel-utf8/it_html.class
parente0a89b408041d25b18090bfc3d596627ea930507 (diff)
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last remains of wrong branch itools/live/devel-utf8 removed
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diff --git a/devel-utf8/it_html.class b/devel-utf8/it_html.class
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-<?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/>.
-**
-** UltraHTML 3000 tool layer. Create functions for html tags.
-**
-** new it_html;
-** echo html(head('title' => 'hello'), body(h1('hello'), p('Hello world!')));
-**/
-
-class it_html
-{
-
-/**
- * Create a HTML object and global functions for all methods (exlcluding
- * methods starting with '_') in this class plus the default tags (see below).
- *
- * @param $p Configuration settings. Can be set/overridden in constructor, configure(), html() or head().
- * See source code for a list of supported values
- */
-function it_html($p = array())
-{
- # Default configuration of html class
- $this->p = $p + array(
- 'charset' => 'iso-8859-1',
- 'doctype' => null, # Custom doctype (will usually be calculated from htmltype)
- 'head' => '', # Code to put into head() section
- 'htmltype' => 'xhtml', # 'html' (=old-style), 'xhtml' or 'xhtml-mobile'
- 'lang' => 'de', # Language code to use in <html lang="..."> tag
- 'ie_png_fix' => false, # To enable, supply URL of a transparent gif (like /images/0.gif)
- 'moretags' => '', # Comma-separated list of tag-functions to generate additionally to 'tags'
- 'name' => 'it_html', # Name of global variable $this is assigned to (string), XXX Copy and paste in configure() to keep PHP4 compatibility
- 'nonewlinetags' => 'a,b,em,img,input,label,span,noscript', # tags that do not like newlines after them
- 'notexported' => 'configure,sanitize',# Those methods are not exported
- 'prettyprint' => false, # Should output be prettily indented?
- 'show_boot_dom' => false, # If true, append invisible <div id="it_boot_dom"> at the end of body
- 'show_content_type' => true, # If true, add <meta http-equiv="Content-Type" ...> header
- 'show_favicon' => true, # If true, add <link> tag to /favicon.ico if it exists
- 'favicon' => '', # If set, add favicon <link> tag to this url
- 'staticallycallable' => 'Q,U,select', # Those methods are statically callable (have same arguments as global stubs) but are a bit slower
- 'tags' => 'a,b,br,button,div,em,fieldset,form,h1,h2,h3,h4,h5,h6,hr,input,label,legend,li,meta,noscript,p,span,style,table,tbody,td,textarea,tfoot,th,thead,tr,ul',
- 'title' => '', # HTML title (default: no title added)
- 'use_it_state' => false, # If true, generate code needed by state.js (aka 'history iframe')
- );
-
- # We know these doctypes. If you need something else, supply 'doctype' in p
- $this->doctypes = array(
- 'html' => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
- 'xhtml' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
- 'xhtml-mobile' => '<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">'
- );
-
- $this->hasnonewline = array_flip(explode(',', $this->p['nonewlinetags']));
- $notexported = array_flip(explode(',', "dummy," . $this->p['notexported'])); # dummy keeps values > 0
-
- # Create global functions for _tags
- foreach (array_merge(explode(',', $this->p['tags']), explode(',', $this->p['moretags'])) as $func)
- {
- if (!function_exists($func) && $func)
- $code[$func] = "function $func() { \$args = func_get_args(); return \$GLOBALS['{$this->p['name']}']->_tag('$func', \$args); }";
- }
-
- # Create global functions for it_html methods
- foreach (get_class_methods(get_class($this)) as $func)
- {
- if (!preg_match('/^_/', $func) && !is_a($this, $func) && $func && !function_exists($func) && !$notexported[$func])
- $code[$func] = "function $func() { \$args = func_get_args(); return \$GLOBALS['{$this->p['name']}']->$func(\$args); }";
- }
-
- # Create global functions for methods that are statically callable (have same arguments as global stubs)
- foreach (explode(',', $this->p['staticallycallable']) as $func)
- {
- if ($func && !function_exists($func))
- $code[$func] = "function $func() { \$args = func_get_args(); return call_user_func_array(array(&\$GLOBALS['{$this->p['name']}'], '$func'), \$args); }";
- }
-
- eval(join('', (array)$code));
-
- # Since name is given as param, it is our duty to store it, not our caller's.
- $GLOBALS[$this->p['name']] =& $this;
-}
-
-
-/**
- * Modify configuration of it_html, e.g. htmltype after it was instantiated.
- * @param $p Configuration settings. Can be set/overridden in constructor, configure(), html() or head().
- * See constructor for a list of supported values
- */
-function configure($p)
-{
- $p += array('name' => "it_html"); # XXX Copy and paste from constructor to keep PHP4 compatibility
- $GLOBALS[$p['name']]->p = $p + (array)$GLOBALS[$p['name']]->p;
- $GLOBALS[$p['name']]->hasnonewline = array_flip(explode(',', $GLOBALS[$p['name']]->p['nonewlinetags']));
-}
-
-/**
- * Return doctype and entire HTML page.
- * Example application code to render page:
- * echo html(head(...), body(...));
- *
- * @param any number of text args or array of key => value pairs
- * Defaults for key => value parameters are inherited from the it_html constructor and should be set there.
- * The parameters are $p['lang'], $p['htmltype'] and $p['doctype']
- */
-function html($args)
-{
- list($data, $p) = $this->_parse_args($args);
- $p += $this->p;
-
- $html = ($p['doctype'] ? $p['doctype'] : $this->doctypes[$p['htmltype']]) . "\n" .
- '<html ' . ($p['htmltype'] == "xhtml" ? 'xmlns="http://www.w3.org/1999/xhtml" ' : '') . ($p['htmltype'] == "xhtml-mobile" ? 'xml:lang' : 'lang') . "=\"{$p['lang']}\">\n" . $data . ($p['omit_endhtml'] ? '' : "</html>\n");
-
- return EDC('upd') ? it::replace(array('<!DOCTYPE.*<head>' => ''), $html, array('singleline' => true)) : $html;
-}
-
-
-/**
- * Return HTML header on first call or empty string on subsequent calls
- *
- * @param args... any number of assoc arrays and strings. strings will be content of <head>
- * @param $p['content-type'] content type (default: "text/html; charset=iso-8859-1")
- * @param $p['cssinline'] stylesheet to be put in header
- * @param $p['description'] data for <meta name="description"> tag
- * @param $p['keywords'] data for <meta name="keywords"> tag
- * @param $p['stylesheets'] array mediatype => url of styleshests
- * @param $p['title'] content of <title>, will be html encoded
- */
-function head($args = array())
-{
- if (!$this->head_sent++)
- {
- list($data, $p) = $this->_parse_args($args);
-
- $p += $this->p;
- $this->p = ($p += array('content-type' => "text/html; charset={$p['charset']}"));
-
- $header = $p['show_content_type'] ? meta(array('http-equiv' => "Content-Type", 'content' => $p['content-type'])) : "";
-
- # Enable latest IE mode
- if(strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE'))
- $header .= meta(array('http-equiv' => "X-UA-Compatible", 'content' => "IE=9"));
-
- foreach(array('description', 'keywords') as $name)
- if (!empty($p[$name]))
- $header .= meta(array('name' => $name, 'content' => $p[$name]));
-
- # Add favicon
- if ($p['favicon'])
- $header .= tag('link', array('rel' => "shortcut icon", 'href' => $p['favicon']));
- elseif ($p['show_favicon'] && @file_exists($_SERVER['DOCUMENT_ROOT'] . '/favicon.ico'))
- $header .= tag('link', array('rel' => "shortcut icon", 'href' => "/favicon.ico"));
-
- foreach((array)$p['stylesheets'] as $type => $url)
- $header .= tag('link', array('rel' => "stylesheet", 'type' => "text/css", 'href' => $url) + (is_int($type) ? array() : array('media' => $type)));
-
- if (!empty($p['cssinline']))
- $header .= tag('style', array('type' => "text/css", "\n" . preg_replace(array('/\s*\/\*[^\*]+\*\//Um', '/\s*\{\s*/', '/;\s+/'), array('', '{', ';'), $p['cssinline'])));
-
- $header .= $p['head'] . ($p['title'] ? tag('title', strip_tags(Q(strip_tags($p['title'])))) : ""); # remove coloring by .texts and .q debug param
-
- if($this->p['htmltype'] == "xhtml-mobile" && strpos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator'))
- header("Content-Type: application/xhtml+xml; charset={$this->p['charset']}"); # for validation
- else if (!headers_sent()) # prevent warnings when ED() in use
- header("Content-Type: " . $p['content-type']);
-
- $js = isset($p['jsenv']) ? "var env = " . itjs::serialize($p['jsenv']) . ";\n" : '';
- if ($GLOBALS['it_html']->p['charset'] == "iso-8859-1")
- $js = it_html::latinize($js);
-
- $js .= $this->_itjs($p['jsinline'], 'inline');
-
- if ($p['js'])
- {
- $checksum = itjs::checksum(itjs::filenames($p['js']));
- $js .= $this->_itjs("boot.js", "inline");
- $js .= "function it_boot_start(){ " . trim($p['jsboot']) . " }\n";
- $js .= "it_boot('/itjs/" . U($p['js'], array('s' => $checksum)) . "');\n";
- }
-
- if ($js)
- $data .= $this->js(array($js));
-
- return tag('head', $header, $data);
- }
-}
-
-
-/**
- * Return HTML head (if not already sent) and body with it_state and it_boot magic code
- */
-function body($args)
-{
- if ($this->p['use_it_state'])
- array_unshift($args, tag('iframe', array('id' => "it_state", 'src' => "/itjs/state.html", 'width' => 1, 'height' => 1, 'frameborder' => 0)));
-
- if (EDC('what'))
- {
- $debugvars = array_merge($GLOBALS['ULTRADEBUGVARS'], array('srclines' => 1, 'texts' => 1));
- ksort($debugvars);
- foreach ($debugvars as $var => $dummy)
- {
- if (EDC($var))
- $toggled_host = preg_replace("/$var\./", "", $_SERVER['HTTP_HOST']);
- else
- $toggled_host = preg_replace("/\.([^.]*)\.([^.]*)\.([^.]*)$/", ".$var.\$1.\$2.\$3", $_SERVER['HTTP_HOST']);
- $debug_links[] = a(array('href' => U('http://' . $toggled_host . $_SERVER['REQUEST_URI']), 'style' => 'font-weight:' . (EDC($var) ? 'bold' : 'normal') . ';'), $var);
- }
- $args[] = div(array('style' => 'font-family:monospace;'), "Debugvars: " . join(" ", $debug_links));
- }
-
- if ($this->p['show_boot_dom'])
- $args[] = div(array('id' => "it_boot_dom", 'style' => "visibility:hidden"));
-
- return $this->head() . $this->_tag('body', $args);
-}
-
-
-/**
- * INTERNAL: Parse an arg array (mixed key=>value pairs and strings) and return it
- * as array(0 => all numerical args concatenated, 1 => array(key=>value pairs)
- */
-function _parse_args($args)
-{
- $p = array();
- foreach ($args as $arg)
- {
- if (is_array($arg))
- {
- foreach ($arg as $key => $value)
- {
- if (is_int($key))
- $data .= it_taintcheck($value);
- else
- $p[$key] = $value;
- }
- }
- else
- $data .= it_taintcheck($arg);
- }
-
- return array($data, $p);
-}
-
-
-/**
- * function div($args...)
- * Return a <div>...</div> element
- * Any strings in the argument list will be content of the <div>
- * Any associative arrays among the arguments will create attributes for <div>.
- * Attributes with values false or null will be omitted completely.
- * Attributes with value true can be used for boolean attributes like 'checked'
- * Attribute values will be html encoded, content values won't so you may need to use Q().
- * @see _tag()
- */ #:}
-
-/**
- * INTERNAL: Create html tag from name and args array (the arguments of the parent function)
- */
-function _tag($name, $args)
-{
- list($data, $attr) = $this->_parse_args($args);
-
- $newline = isset($this->hasnonewline[$name]) ? "" : "\n";
-
- # Ultra XML PrettyPrinter 3000 [\] by SCA
- if ($this->p['prettyprint'] && $newline && (substr($data, -1, 1) == "\n") && (strpos($data, '<textarea') === false && strpos($data, '<pre') === false) && ($data != strip_tags($data)))
- $data = str_replace("\n", "\n ", "\n" . trim($data)) . "\n";
-
- # debugging aid: add backtrace
- if (($levels = intval($GLOBALS['debug_srclines'])) && !it::match('^(head|meta|title|script|style|link)', $name))
- $attr = array('title' => it_debug::backtrace(array('levels' => max(3, $levels), 'skipfiles' => "_html\\.class"))) + $attr;
-
- $result .= "<$name";
-
- # add attributes. If $value === true, use key only (<td nowrap> instead of <td nowrap=""> for old html, <td nowrap="nowrap"> for xhtml style)
- foreach($attr as $key => $value)
- {
- if (($value === null) || ($value === false)) # null or false: omit whole tag
- ;
- else if (isset($value) && $value !== true) # normal case: value
- {
- if (preg_match('/[<>&"\x00-\x08\x0a-\x0c\x0e-\x1f\x80-\x9f]/', $value)) # WARNING: copy/pasted from Q()
- $result .= " $key=\"" . str_replace("\n", "&#10;", htmlspecialchars($GLOBALS['it_html']->p['charset'] == "iso-8859-1" ? it_html::latinize($value) : $value, ENT_COMPAT, $GLOBALS['it_html']->p['charset'])) . '"';
- else
- $result .= " $key=\"$value\"";
- }
- else # true: tag without value
- $result .= ($this->p['htmltype'] == 'html') ? " $key" : " $key=\"$key\"";
- }
-
- # Apply a kind of magic... this needs further investigation
- if (isset($data) || preg_match('/^(a|div|iframe|pre|script|span|tbody|td|tfoot|thead|textarea)$/i', $name))
- $result .= ">$data</$name>$newline";
- elseif ($this->p['htmltype'] == 'html')
- $result .= ">$newline";
- else
- $result .= " />$newline";
-
- return $result;
-}
-
-
-/**
- * Return a <tag> containing optional data.
- * @param $name tag name ('style', etc.)
- * @param ... any number optional data or array of key => value arguments
- * @return string containing XML/HTML tag
- */
-function tag($args)
-{
- $name = array_shift($args);
- return $this->_tag($name, $args);
-}
-
-/**
- * Special img() function patches png transparency for IE 5.5-6 if ie_png_fix is set
- * @param ... any number optional data or array of key => value arguments
- * @return <img ... />
- */
-function img($args)
-{
- if ($this->p['ie_png_fix'] && preg_match('/MSIE [56]/', $_SERVER['HTTP_USER_AGENT']))
- {
- foreach($args as $id => $arg)
- if (preg_match('/\.png(\?.*)?$/', $arg['src']))
- {
- $args[$id]['style'] = "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='{$arg['src']}',sizingMethod='crop');" . $arg['style'];
- $args[$id]['src'] = $this->p['ie_png_fix'];
- }
- }
-
- foreach ($args as $arg)
- $havealt += isset($arg['alt']);
-
- if (!$havealt)
- it::error('img() needs alt');
-
- return $this->_tag("img", $args);
-}
-
-
-/**
- * Create a dropdown menu object. Warning: encodes html code within options!
- * @param $tags key => value pairs of <select> tag
- * @param $options array (value => text) of available options or
- * string key:val{,key:val} where key will be rawurldecoded so it may contain %2C as comma
- * supports optgroups as array (value => optgroup => array(value => text))
- * @param $selected optional currently selected value, or comma-separated list or array for multi-select
- * Note: use tag('select') and tag('option') if you want do roll your own
- */
-function select($tags, $options, $selected = null)
-{
- # Transmogrify key:val{,key:val} to array(key => val)
- if (!is_array($options))
- {
- $opts = explode(',', $options);
- $options = array();
-
- foreach($opts as $opt)
- {
- list($key, $value) = explode(':', $opt);
- $options[rawurldecode($key)] = $value;
- }
- }
-
- $selected = ($tags['multiple'] && is_string($selected)) ? explode(',', $selected) : (array)$selected;
-
- $html = "";
- foreach($options as $value => $option)
- {
- if (is_array($option))
- {
- $grouphtml = "";
- foreach($option as $optval => $opt)
- $grouphtml .= $this->_tag("option", array(array('value' => $optval, 'selected' => in_array((string)$optval, $selected)), self::_strip_tags(Q(self::_strip_tags($opt)))));
- $html .= $this->_tag("optgroup", array(array('label' => $value, $grouphtml)));
- }
- else
- $html .= $this->_tag("option", array(array('value' => $value, 'selected' => in_array((string)$value, $selected), 'disabled' => $option === ""), (trim($option) === "") ? "&nbsp;" : self::_strip_tags(Q(self::_strip_tags($option))))); # self::_strip_tags removes .q debug param coloring
- }
-
- return $this->_tag("select", array($tags, $html));
-}
-
-# internal: strip spans added by debug params
-function _strip_tags($html)
-{
- return preg_replace('!</?(span|a)\b[^>]*>!', '', $html);
-}
-
-/**
- * Return HTML with all evil things stripped. Allowed are a coupld of simple
- * tags like div, p, i, b, br without attributes, a with absolute href,
- * img with absolute src url. Also ensures that tags are balanced.
- * @param $html HTML string to be sanitized
- * @return Sanitized HTML
- */
-function sanitize($html)
-{
- $result = "";
- $html = it::replace(array('[\0\s]+' => " "), $html); # \s also matches \r and \n
- $urlpattern = 'https?://[^">]+';
- $charset = $GLOBALS['it_html']->p['charset'] ? $GLOBALS['it_html']->p['charset'] : 'iso-8859-1';
-
- if ($tag = it::match("(.*)<(div|p|i|b)\b[^>]*>(.*?)</\\2>(.*)", $html))
- {
- # Simple tags with content, no attributes kept
- list($head, $tagname, $content, $tail) = $tag;
- $tagname = strtolower($tagname);
- $result .= it_html::sanitize($head) . "<$tagname>" . it_html::sanitize($content) . "</$tagname>" . it_html::sanitize($tail);
- }
- else if ($tag = it::match('(.*)<a\b[^>]+?href="(' . $urlpattern . ')"[^>]*?>(.*?)</a>(.*)', $html))
- {
- # Link tags, keeps only href attribute
- list($head, $href, $content, $tail) = $tag;
- $result .= it_html::sanitize($head) . '<a href="' . it_html::Q(it_html::U(html_entity_decode($href, ENT_COMPAT, $charset))) . '">' . it_html::sanitize($content) . "</a>" . it_html::sanitize($tail);
- }
- else if ($tag = it::match('(.*)<img\b[^>]+?src="(' . $urlpattern . ')"[^>]*?>(.*)', $html))
- {
- # Image tags, keeps only src attribute
- list($head, $src, $tail) = $tag;
- $result .= it_html::sanitize($head) . '<img src="' . it_html::Q(it_html::U(html_entity_decode($src, ENT_COMPAT, $charset))) . '" alt="" />' . it_html::sanitize($tail);
- }
- else if ($tag = it::match("(.*)<(br|/tr)\b[^>]*>(.*)", $html))
- {
- # brs and table rows are converted so simple line breaks
- list($head, $tagname, $tail) = $tag;
- $result .= it_html::sanitize($head) . "<br />" . it_html::sanitize($tail);
- }
- else
- $result = it::replace(array('&amp;(#\d+;)' => '&$1'), it_html::Q(html_entity_decode(strip_tags($html), ENT_COMPAT, $charset)));
-
- return $GLOBALS['debug_q'] ? "<span style='background:#8FF'>$result</span>" : $result;
-}
-
-/**
- * Decode all entities, ensure latin-1 encoding
- */
-function entity_decode($string)
-{
- $string = preg_replace('/&#(8217|65533);/', "'", html_entity_decode($string));
- $string = preg_replace_callback('/&#x0*([0-9a-f]+);/i', function($m) { return hexdec($m[1]) <= 255 ? chr(hexdec($m[1])) : " "; }, $string);
- $string = preg_replace_callback('/&#0*([0-9]+);/', function($m) { return $m[1] <= 255 ? chr($m[1]) : " "; }, $string);
-
- return $string;
-}
-
-/**
- * Replace or remove all illegal characters from a latin-1 string
- */
-function latinize($string)
-{
- return preg_replace('/[\x00-\x08\x0b-\x0c\x0e-\x1f\x80-\x9f]/', ' ', strtr($string, array("\x80" => "EUR", "\x82" => "'", "\x84" => "\"", "\x85" => "...", "\x8a" => "S", "\x8c" => "OE", "\x8e" => "Z", "\x91" => "'", "\x92" => "'", "\x93" => "\"", "\x94" => "\"", "\x96" => "-", "\x97" => "-", "\x9a" => "s", "\x9e" => "z")));
-}
-
-/**
- * Shortcut: return htmlspecialchars($string) and encode forbidden characters 80-9f if latin1 is output
- * @param $string String to encode with htmlspecialchars()
- * @return htmlspecialchars($string)
- */
-function Q($string)
-{
- if (preg_match('/[<>&"\x00-\x08\x0a-\x0c\x0e-\x1f\x80-\x9f]/', $string)) # WARNING: copy/pasted to _tag()
- $string = htmlspecialchars($GLOBALS['it_html']->p['charset'] == "iso-8859-1" ? it_html::latinize($string) : $string, ENT_COMPAT, $GLOBALS['it_html']->p['charset']);
-
- return $GLOBALS['debug_q'] && $string ? "<span style='background:#8FF'>$string</span>" : $string;
-}
-
-
-/**
- * Build a complete url from base-url and params
- * @param ... scalar args and numeric indices build base-url, rest as params
- */
-function U(/* ... */)
-{
- $args = func_get_args();
- list($base, $params) = it_html::_parse_args($args);
-
- if (!isset($base))
- $base = preg_replace('/\?.*/', '', $_SERVER['REQUEST_URI']);
-
- $base = preg_replace(array('|\0|', '/\\\\/'), array('', '/'), $base); # kill null chars, turn \ to /
-
- if (!($u = @parse_url($base)))
- list($u['path'], $u['query']) = explode("?", $base, 2);
-
- $u['host'] = preg_match('/[^-_.0-9a-z]/i', $u['host']) && function_exists('idn_to_ascii') && ($idnahost = idn_to_ascii($GLOBALS['it_html']->p['charset'] == "iso-8859-1" ? utf8_encode($u['host']) : $u['host'])) ? $idnahost : $u['host']; # Punycode hostname to include into webpage
- $u['host'] = preg_replace_callback('/[^-_.0-9a-z\x80-\xff]/i', function($m) { return rawurlencode($m[0]); }, $u['host']); # Encode garbage chars in host
-
- # handle scheme, user (urlencoded), password, host
- $hostpart =
- ($u['user'] ? preg_replace_callback('|[^-a-z0-9_.+!*(),:?@&=/~$%#]|i', function($m) { return urlencode($m[0]); }, $u['user'] . ($u['pass'] ? ":" . $u['pass'] : "") . "@") : "") .
- ($u['host'] ? $u['host'] : "") .
- ($u['port'] ? ":" . intval($u['port']) : "");
-
- $schemepart = $hostpart ? ($u['scheme'] ? $u['scheme'] . ":" : "") . "//$hostpart" : "";
-
- $path = $u['path'] . ($u['query'] ? "?" . $u['query'] : "") . ($u['fragment'] ? "#" . $u['fragment'] : "");
-
- # hack: encode % if not followed by two hex digits
- $parts = preg_split('/%([^%]{0,2})/', $path, -1, PREG_SPLIT_DELIM_CAPTURE);
- for ($i = 1; $i < count($parts); $i+=2)
- $parts[$i] = (preg_match('/[0-9a-f][0-9a-f]/i', $parts[$i]) ? "%" : "%25") . $parts[$i];
- $path = join("", $parts);
-
- $path = preg_replace_callback('|[^-a-z0-9_.+!*(),:?@&=/~$%#]|i', function($m) { return urlencode($m[0]); }, $path);
- $path = preg_replace('|^([a-z0-9_]+:)?//[^/]*$|', '$0/', $path); # Add slash if absolute url without a path, e.g. http://gna.ch
- $queryparams = it_url::params($params);
- $separator = strpos($path, "?") === false ? "?" : "&";
-
- return $schemepart . $path . ($queryparams ? "$separator$queryparams" : "");
-}
-
-
-/**
- * Insert a javascript script
- * @param ... any number optional data or array of key => value arguments
- * @return <script type="text/javascript"...>...</script>
- */
-function js($args)
-{
- if (($this->p['htmltype'] != 'html') && $args[0] && ((array)$args[0] === array_values((array)$args[0])))
- {
- array_unshift($args, "<!--//--><![CDATA[//><!--\n");
- $args[] = "\n//--><!]]>";
- }
-
- array_unshift($args, array('type' => 'text/javascript'));
- return $this->_tag('script', $args);
-}
-
-
-/**
- * Include javascript code or generate HTML to include it
- */
-function _itjs($files, $mode)
-{
- $result = "";
-
- if ($files)
- {
- $filenames = itjs::filenames($files);
-
- if ($mode == "files")
- {
- foreach ($filenames as $file)
- $result .= tag('script', array('type' => "text/javascript", 'src' => "/itjs/" . basename($file) . "?v=" . itjs::checksum($file)));
- }
- else if ($mode == "inline")
- {
- $jsfile = "";
-
- foreach ($filenames as $file)
- $jsfile .= @file_get_contents($file);
-
- $result .= itjs::strip($jsfile);
- }
- else
- $result .= tag('script', array('type' => "text/javascript", 'src' => "/itjs/$files?v=" . itjs::checksum($filenames)));
- }
-
- return $result;
-}
-
-}
-?>