| rcube_shared.inc |
| |
| This file is part of the RoundCube PHP suite |
- | Copyright (C) 2005, RoundCube Dev. - Switzerland |
+ | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| CONTENTS: |
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
- $Id: rcube_shared.inc 288 2006-07-31 22:51:23Z thomasb $
+ $Id: rcube_shared.inc 2147 2008-12-11 17:29:50Z alec $
*/
-// ********* round cube schared classes *********
+/**
+ * RoundCube shared functions
+ *
+ * @package Core
+ */
-class rcube_html_page
- {
- var $css;
-
- var $scripts_path = '';
- var $script_files = array();
- var $scripts = array();
- var $charset = 'ISO-8859-1';
-
- var $script_tag_file = "<script type=\"text/javascript\" src=\"%s%s\"></script>\n";
- var $script_tag = "<script type=\"text/javascript\">\n<!--\n%s\n\n//-->\n</script>\n";
- var $default_template = "<html>\n<body></body>\n</html>";
-
- var $title = '';
- var $header = '';
- var $footer = '';
- var $body = '';
- var $body_attrib = array();
- var $meta_tags = array();
-
-
- // PHP 5 constructor
- function __construct()
- {
- $this->css = new rcube_css();
- }
-
- // PHP 4 compatibility
- function rcube_html_page()
- {
- $this->__construct();
- }
-
-
- function include_script($file, $position='head')
- {
- static $sa_files = array();
-
- if (in_array($file, $sa_files))
- return;
-
- if (!is_array($this->script_files[$position]))
- $this->script_files[$position] = array();
-
- $this->script_files[$position][] = $file;
- }
-
-
- function add_script($script, $position='head')
- {
- if (!isset($this->scripts[$position]))
- $this->scripts[$position] = '';
-
- $this->scripts[$position] .= "\n$script";
- }
-
-
- function set_title($t)
- {
- $this->title = $t;
- }
-
-
- function set_charset($charset)
- {
- global $MBSTRING;
-
- $this->charset = $charset;
-
- if ($MBSTRING && function_exists("mb_internal_encoding"))
- {
- if(!@mb_internal_encoding($charset))
- $MBSTRING = FALSE;
- }
- }
-
- function get_charset()
- {
- return $this->charset;
- }
-
-
- function reset()
- {
- $this->css = new rcube_css();
- $this->script_files = array();
- $this->scripts = array();
- $this->title = '';
- }
-
-
- function write($templ='', $base_path='')
- {
- $output = empty($templ) ? $this->default_template : trim($templ);
-
- // set default page title
- if (!strlen($this->title))
- $this->title = 'RoundCube Mail';
-
- // replace specialchars in content
- $__page_title = rep_specialchars_output($this->title, 'html', 'show', FALSE);
- $__page_header = $__page_body = $__page_footer = '';
-
-
- // include meta tag with charset
- if (!empty($this->charset))
- {
- header('Content-Type: text/html; charset='.$this->charset);
- $__page_header = '<meta http-equiv="content-type" content="text/html; charset='.$this->charset.'" />'."\n";
- }
-
-
- // definition of the code to be placed in the document header and footer
- if (is_array($this->script_files['head']))
- foreach ($this->script_files['head'] as $file)
- $__page_header .= sprintf($this->script_tag_file, $this->scripts_path, $file);
-
- if (strlen($this->scripts['head']))
- $__page_header .= sprintf($this->script_tag, $this->scripts['head']);
-
- if (is_array($this->script_files['foot']))
- foreach ($this->script_files['foot'] as $file)
- $__page_footer .= sprintf($this->script_tag_file, $this->scripts_path, $file);
-
- if (strlen($this->scripts['foot']))
- $__page_footer .= sprintf($this->script_tag, $this->scripts['foot']);
-
-
- $__page_header .= $this->css->show();
-
-
- // find page header
- if($hpos = strpos(strtolower($output), '</head>'))
- $__page_header .= "\n";
- else
- {
- if (!is_numeric($hpos))
- $hpos = strpos(strtolower($output), '<body');
- if (!is_numeric($hpos) && ($hpos = strpos(strtolower($output), '<html')))
- {
- while($output[$hpos]!='>')
- $hpos++;
- $hpos++;
- }
-
- $__page_header = "<head>\n<title>$__page_title</title>\n$__page_header\n</head>\n";
- }
-
- // add page hader
- if($hpos)
- $output = substr($output,0,$hpos) . $__page_header . substr($output,$hpos,strlen($output));
- else
- $output = $__page_header . $output;
-
-
- // find page body
- if($bpos = strpos(strtolower($output), '<body'))
- {
- while($output[$bpos]!='>') $bpos++;
- $bpos++;
- }
- else
- $bpos = strpos(strtolower($output), '</head>')+7;
-
- // add page body
- if($bpos && $__page_body)
- $output = substr($output,0,$bpos) . "\n$__page_body\n" . substr($output,$bpos,strlen($output));
-
-
- // find and add page footer
- if(($fpos = strpos(strtolower($output), '</body>')) || ($fpos = strpos(strtolower($output), '</html>')))
- $output = substr($output,0,$fpos) . "$__page_footer\n" . substr($output,$fpos,strlen($output));
- else
- $output .= "\n$__page_footer";
-
-
- // reset those global vars
- $__page_header = $__page_footer = '';
-
-
- // correct absolute pathes in images and other tags
- $output = preg_replace('/(src|href|background)=(["\']?)(\/[a-z0-9_\-]+)/Ui', "\\1=\\2$base_path\\3", $output);
- $output = str_replace('$__skin_path', $base_path, $output);
-
- print rcube_charset_convert($output, 'UTF-8', $this->charset);
- }
-
-
- function _parse($templ)
- {
-
- }
- }
-
-
-
-
-class rcube_css
- {
- var $css_data = array();
-
- var $css_groups = array();
-
- var $include_files = array();
-
- var $grouped_output = TRUE;
-
- var $content_type = 'text/css';
-
- var $base_path = '';
-
- var $indent_chars = "\t";
-
-
- // add or overwrite a css definition
- // either pass porperty and value as separate arguments
- // or provide an associative array as second argument
- function set_style($selector, $property, $value='')
- {
- $a_elements = $this->_parse_selectors($selector);
- foreach ($a_elements as $element)
- {
- if (!is_array($property))
- $property = array($property => $value);
-
- foreach ($property as $name => $value)
- $this->css_data[$element][strtolower($name)] = $value;
- }
-
- // clear goups array
- $this->css_groups = array();
- }
-
-
- // unset a style property
- function remove_style($selector, $property)
- {
- if (!is_array($property))
- $property = array($property);
-
- foreach ($property as $key)
- unset($this->css_data[$selector][strtolower($key)]);
-
- // clear goups array
- $this->css_groups = array();
- }
-
-
- // define base path for external css files
- function set_basepath($path)
- {
- $this->base_path = preg_replace('/\/$/', '', $path);
- }
-
-
- // enable/disable grouped output
- function set_grouped_output($grouped)
- {
- $this->grouped_output = $grouped;
- }
-
-
- // add a css file as external source
- function include_file($filename, $media='')
- {
- // include multiple files
- if (is_array($filename))
- {
- foreach ($filename as $file)
- $this->include_file($file, $media);
- }
- // add single file
- else if (!in_array($filename, $this->include_files))
- $this->include_files[] = array('file' => $filename,
- 'media' => $media);
- }
-
-
- // parse css code
- function import_string($str)
- {
- $ret = FALSE;
- if (strlen($str))
- $ret = $this->_parse($str);
-
- return $ret;
- }
-
-
- // open and parse a css file
- function import_file($file)
- {
- $ret = FALSE;
-
- if (!is_file($file))
- return $ret;
-
- // for php version >= 4.3.0
- if (function_exists('file_get_contents'))
- $ret = $this->_parse(file_get_contents($file));
-
- // for order php versions
- else if ($fp = fopen($file, 'r'))
- {
- $ret = $this->_parse(fread($fp, filesize($file)));
- fclose($fp);
- }
-
- return $ret;
- }
-
-
- // copy all properties inherited from superior styles to a specific selector
- function copy_inherited_styles($selector)
- {
- // get inherited props from body and tag/class selectors
- $css_props = $this->_get_inherited_styles($selector);
-
- // write modified props back and clear goups array
- if (sizeof($css_props))
- {
- $this->css_data[$selector] = $css_props;
- $this->css_groups = array();
- }
- }
-
-
- // return css definition for embedding in HTML
- function show()
- {
- $out = '';
-
- // include external css files
- if (sizeof($this->include_files))
- foreach ($this->include_files as $file_arr)
- $out .= sprintf('<link rel="stylesheet" type="%s" href="%s"%s>'."\n",
- $this->content_type,
- $this->_get_file_path($file_arr['file']),
- $file_arr['media'] ? ' media="'.$file_arr['media'].'"' : '');
-
-
- // compose css string
- if (sizeof($this->css_data))
- $out .= sprintf("<style type=\"%s\">\n<!--\n\n%s-->\n</style>",
- $this->content_type,
- $this->to_string());
-
-
- return $out;
- }
-
-
- // return valid css code of the current styles grid
- function to_string($selector=NULL)
- {
- // return code for a single selector
- if ($selector)
- {
- $indent_str = $this->indent_chars;
- $this->indent_chars = '';
-
- $prop_arr = $this->to_array($selector);
- $out = $this->_style2string($prop_arr, TRUE);
-
- $this->indent_chars = $indent_str;
- }
-
- // compose css code for complete data grid
- else
- {
- $out = '';
- $css_data = $this->to_array();
-
- foreach ($css_data as $key => $prop_arr)
- $out .= sprintf("%s {\n%s}\n\n",
- $key,
- $this->_style2string($prop_arr, TRUE));
- }
-
- return $out;
- }
-
-
- // return a single-line string of a css definition
- function to_inline($selector)
- {
- if ($this->css_data[$selector])
- return str_replace('"', '\\"', $this->_style2string($this->css_data[$selector], FALSE));
- }
-
-
- // return an associative array with selector(s) as key and styles array as value
- function to_array($selector=NULL)
- {
- if (!$selector && $this->grouped_output)
- {
- // build groups if desired
- if (!sizeof($this->css_groups))
- $this->_build_groups();
-
- // modify group array to get an array(selector => properties)
- $out_arr = array();
- foreach ($this->css_groups as $group_arr)
- {
- $key = join(', ', $group_arr['selectors']);
- $out_arr[$key] = $group_arr['properties'];
- }
- }
- else
- $out_arr = $this->css_data;
-
- return $selector ? $out_arr[$selector] : $out_arr;
- }
-
-
- // create a css file
- function to_file($filepath)
- {
- if ($fp = fopen($filepath, 'w'))
- {
- fwrite($fp, $this->to_string());
- fclose($fp);
- return TRUE;
- }
-
- return FALSE;
- }
-
-
- // alias method for import_string() [DEPRECATED]
- function add($str)
- {
- $this->import_string($str);
- }
-
- // alias method for to_string() [DEPRECATED]
- function get()
- {
- return $this->to_string();
- }
-
-
-
- // ******** private methods ********
-
-
- // parse a string and add styles to internal data grid
- function _parse($str)
- {
- // remove comments
- $str = preg_replace("/\/\*(.*)?\*\//Usi", '', $str);
-
- // parse style definitions
- if (!preg_match_all ('/([a-z0-9\.#*:_][a-z0-9\.\-_#:*,\[\]\(\)\s\"\'\+\|>~=]+)\s*\{([^\}]*)\}/ims', $str, $matches, PREG_SET_ORDER))
- return FALSE;
-
-
- foreach ($matches as $match_arr)
- {
- // split selectors into array
- $a_keys = $this->_parse_selectors(trim($match_arr[1]));
-
- // parse each property of an element
- $codes = explode(";", trim($match_arr[2]));
- foreach ($codes as $code)
- {
- if (strlen(trim($code))>0)
- {
- // find the property and the value
- if (!($sep = strpos($code, ':')))
- continue;
-
- $property = strtolower(trim(substr($code, 0, $sep)));
- $value = trim(substr($code, $sep+1));
-
- // add the property to the object array
- foreach ($a_keys as $key)
- $this->css_data[$key][$property] = $value;
- }
- }
- }
-
- // clear goups array
- if (sizeof($matches))
- {
- $this->css_groups = array();
- return TRUE;
- }
-
- return FALSE;
- }
-
-
- // split selector group
- function _parse_selectors($selector)
- {
- // trim selector and remove multiple spaces
- $selector = preg_replace('/\s+/', ' ', trim($selector));
-
- if (strpos($selector, ','))
- return preg_split('/[\t\s\n\r]*,[\t\s\n\r]*/mi', $selector);
- else
- return array($selector);
- }
-
-
- // compare identical styles and make groups
- function _build_groups()
- {
- // clear group array
- $this->css_groups = array();
- $string_group_map = array();
-
- // bulild css string for each selector and check if the same is already defines
- foreach ($this->css_data as $selector => $prop_arr)
- {
- // make shure to compare props in the same order
- ksort($prop_arr);
- $compare_str = preg_replace('/[\s\t]+/', '', $this->_style2string($prop_arr, FALSE));
-
- // add selector to extisting group
- if (isset($string_group_map[$compare_str]))
- {
- $group_index = $string_group_map[$compare_str];
- $this->css_groups[$group_index]['selectors'][] = $selector;
- }
-
- // create new group
- else
- {
- $i = sizeof($this->css_groups);
- $string_group_map[$compare_str] = $i;
- $this->css_groups[$i] = array('selectors' => array($selector),
- 'properties' => $this->css_data[$selector]);
- }
- }
- }
-
-
- // convert the prop array into a valid css definition
- function _style2string($prop_arr, $multiline=TRUE)
- {
- $out = '';
- $delm = $multiline ? "\n" : '';
- $spacer = $multiline ? ' ' : '';
- $indent = $multiline ? $this->indent_chars : '';
-
- if (is_array($prop_arr))
- foreach ($prop_arr as $prop => $value)
- if (strlen($value))
- $out .= sprintf('%s%s:%s%s;%s',
- $indent,
- $prop,
- $spacer,
- $value,
- $delm);
-
- return $out;
- }
-
-
- // copy all properties inherited from superior styles to a specific selector
- function _get_inherited_styles($selector, $loop=FALSE)
- {
- $css_props = $this->css_data[$selector] ? $this->css_data[$selector] : array();
-
- // get styles from tag selector
- if (preg_match('/(([a-z0-9]*)(\.[^\s]+)?)$/i', $selector, $regs))
- {
- $sel = $regs[1];
- $tagname = $regs[2];
- $class = $regs[3];
-
- if ($sel && is_array($this->css_data[$sel]))
- $css_props = $this->_merge_styles($this->css_data[$sel], $css_props);
-
- if ($class && is_array($this->css_data[$class]))
- $css_props = $this->_merge_styles($this->css_data[$class], $css_props);
-
- if ($tagname && is_array($this->css_data[$tagname]))
- $css_props = $this->_merge_styles($this->css_data[$tagname], $css_props);
- }
-
- // analyse inheritance
- if (strpos($selector, ' '))
- {
- $a_hier = split(' ', $selector);
- if (sizeof($a_hier)>1)
- {
- array_pop($a_hier);
- $base_selector = join(' ', $a_hier);
-
- // call this method recursively
- $new_props = $this->_get_inherited_styles($base_selector, TRUE);
- $css_props = $this->_merge_styles($new_props, $css_props);
- }
- }
-
- // get body style
- if (!$loop && is_array($this->css_data['body']))
- $css_props = $this->_merge_styles($this->css_data['body'], $css_props);
-
- return $css_props;
- }
-
-
- // merge two arrays with style properties together like a browser would do
- function _merge_styles($one, $two)
- {
- // these properties are additive
- foreach (array('text-decoration') as $prop)
- if ($one[$prop] && $two[$prop])
- {
- // if value contains 'none' it's ignored
- if (strstr($one[$prop], 'none'))
- continue;
- else if (strstr($two[$prop], 'none'))
- unset($two[$prop]);
-
- $a_values_one = split(' ', $one[$prop]);
- $a_values_two = split(' ', $two[$prop]);
- $two[$prop] = join(' ', array_unique(array_merge($a_values_one, $a_values_two)));
- }
-
- return array_merge($one, $two);
- }
-
-
- // resolve file path
- function _get_file_path($file)
- {
- if (!$this->base_path && $GLOBALS['CSS_PATH'])
- $this->set_basepath($GLOBALS['CSS_PATH']);
-
- $base = ($file{0}=='/' || $file{0}=='.' || substr($file, 0, 7)=='http://') ? '' :
- ($this->base_path ? $this->base_path.'/' : '');
- return $base.$file;
- }
-
- }
-
-
-
-class base_form_element
- {
- var $uppertags = FALSE;
- var $upperattribs = FALSE;
- var $upperprops = FALSE;
- var $newline = FALSE;
-
- var $attrib = array();
-
-
- // create string with attributes
- function create_attrib_string($tagname='')
- {
- if (!sizeof($this->attrib))
- return '';
-
- if ($this->name!='')
- $this->attrib['name'] = $this->name;
-
- $attrib_arr = array();
- foreach ($this->attrib as $key => $value)
- {
- // don't output some internally used attributes
- if (in_array($key, array('form', 'quicksearch')))
- continue;
-
- // skip if size if not numeric
- if (($key=='size' && !is_numeric($value)))
- continue;
-
- // skip empty eventhandlers
- if ((strpos($key,'on')===0 && $value==''))
- continue;
-
- // encode textarea content
- if ($key=='value')
- $value = rep_specialchars_output($value, 'html', 'replace', FALSE);
-
- // attributes with no value
- if (in_array($key, array('checked', 'multiple', 'disabled', 'selected')))
- {
- if ($value)
- $attrib_arr[] = $key;
- }
- // don't convert size of value attribute
- else if ($key=='value')
- $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $value, 'value');
-
- // regular tag attributes
- else
- $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $this->_conv_case($value, 'value'));
- }
-
- return sizeof($attrib_arr) ? ' '.implode(' ', $attrib_arr) : '';
- }
-
-
- // convert tags and attributes to upper-/lowercase
- // $type can either be "tag" or "attrib"
- function _conv_case($str, $type='attrib')
- {
- if ($type == 'tag')
- return $this->uppertags ? strtoupper($str) : strtolower($str);
- else if ($type == 'attrib')
- return $this->upperattribs ? strtoupper($str) : strtolower($str);
- else if ($type == 'value')
- return $this->upperprops ? strtoupper($str) : strtolower($str);
- }
- }
-
-
-class input_field extends base_form_element
- {
- var $type = 'text';
-
- // PHP 5 constructor
- function __construct($attrib=NULL)
- {
- if (is_array($attrib))
- $this->attrib = $attrib;
-
- if ($attrib['type'])
- $this->type = $attrib['type'];
-
- if ($attrib['newline'])
- $this->newline = TRUE;
- }
-
- // PHP 4 compatibility
- function input_field($attrib=array())
- {
- $this->__construct($attrib);
- }
-
- // compose input tag
- function show($value=NULL, $attrib=NULL)
- {
- // overwrite object attributes
- if (is_array($attrib))
- $this->attrib = array_merge($this->attrib, $attrib);
-
- // set value attribute
- if ($value!==NULL)
- $this->attrib['value'] = $value;
-
- $this->attrib['type'] = $this->type;
-
- // return final tag
- return sprintf('<%s%s />%s',
- $this->_conv_case('input', 'tag'),
- $this->create_attrib_string(),
- ($this->newline ? "\n" : ""));
- }
- }
-
-
-class textfield extends input_field
- {
- var $type = 'text';
- }
-
-class passwordfield extends input_field
- {
- var $type = 'password';
- }
-
-class radiobutton extends input_field
- {
- var $type = 'radio';
- }
-
-class checkbox extends input_field
- {
- var $type = 'checkbox';
-
-
- function show($value='', $attrib=NULL)
- {
- // overwrite object attributes
- if (is_array($attrib))
- $this->attrib = array_merge($this->attrib, $attrib);
-
- $this->attrib['type'] = $this->type;
-
- if ($value && (string)$value==(string)$this->attrib['value'])
- $this->attrib['checked'] = TRUE;
- else
- $this->attrib['checked'] = FALSE;
-
- // return final tag
- return sprintf('<%s%s />%s',
- $this->_conv_case('input', 'tag'),
- $this->create_attrib_string(),
- ($this->newline ? "\n" : ""));
- }
- }
-
-
-class textarea extends base_form_element
- {
- // PHP 5 constructor
- function __construct($attrib=array())
- {
- $this->attrib = $attrib;
-
- if ($attrib['newline'])
- $this->newline = TRUE;
- }
-
- // PHP 4 compatibility
- function textarea($attrib=array())
- {
- $this->__construct($attrib);
- }
-
- function show($value='', $attrib=NULL)
- {
- // overwrite object attributes
- if (is_array($attrib))
- $this->attrib = array_merge($this->attrib, $attrib);
-
- // take value attribute as content
- if ($value=='')
- $value = $this->attrib['value'];
-
- // make shure we don't print the value attribute
- if (isset($this->attrib['value']))
- unset($this->attrib['value']);
-
- if (strlen($value))
- $value = rep_specialchars_output($value, 'html', 'replace', FALSE);
-
- // return final tag
- return sprintf('<%s%s>%s</%s>%s',
- $this->_conv_case('textarea', 'tag'),
- $this->create_attrib_string(),
- $value,
- $this->_conv_case('textarea', 'tag'),
- ($this->newline ? "\n" : ""));
- }
- }
-
-
-class hiddenfield extends base_form_element
- {
- var $fields_arr = array();
- var $newline = TRUE;
-
- // PHP 5 constructor
- function __construct($attrib=NULL)
- {
- if (is_array($attrib))
- $this->add($attrib);
- }
-
- // PHP 4 compatibility
- function hiddenfield($attrib=NULL)
- {
- $this->__construct($attrib);
- }
-
- // add a hidden field to this instance
- function add($attrib)
- {
- $this->fields_arr[] = $attrib;
- }
-
-
- function show()
- {
- $out = '';
- foreach ($this->fields_arr as $attrib)
- {
- $this->attrib = $attrib;
- $this->attrib['type'] = 'hidden';
-
- $out .= sprintf('<%s%s />%s',
- $this->_conv_case('input', 'tag'),
- $this->create_attrib_string(),
- ($this->newline ? "\n" : ""));
- }
-
- return $out;
- }
- }
-
-
-class select extends base_form_element
- {
- var $options = array();
-
- /*
- syntax:
- -------
- // create instance. arguments are used to set attributes of select-tag
- $select = new select(array('name' => 'fieldname'));
-
- // add one option
- $select->add('Switzerland', 'CH');
-
- // add multiple options
- $select->add(array('Switzerland', 'Germany'),
- array('CH', 'DE'));
-
- // add 10 blank options with 50 chars
- // used to fill with javascript (necessary for 4.x browsers)
- $select->add_blank(10, 50);
-
- // generate pulldown with selection 'Switzerland' and return html-code
- // as second argument the same attributes available to instanciate can be used
- print $select->show('CH');
- */
-
- // PHP 5 constructor
- function __construct($attrib=NULL)
- {
- if (is_array($attrib))
- $this->attrib = $attrib;
-
- if ($attrib['newline'])
- $this->newline = TRUE;
- }
-
- // PHP 4 compatibility
- function select($attrib=NULL)
- {
- $this->__construct($attrib);
- }
-
-
- function add($names, $values=NULL)
- {
- if (is_array($names))
- {
- foreach ($names as $i => $text)
- $this->options[] = array('text' => $text, 'value' => (string)$values[$i]);
- }
- else
- {
- $this->options[] = array('text' => $names, 'value' => (string)$values);
- }
- }
-
-
- function add_blank($nr, $width=0)
- {
- $text = $width ? str_repeat(' ', $width) : '';
-
- for ($i=0; $i < $nr; $i++)
- $this->options[] = array('text' => $text);
- }
-
-
- function show($select=array(), $attrib=NULL)
- {
- $options_str = "\n";
- $value_str = $this->_conv_case(' value="%s"', 'attrib');
-
- if (!is_array($select))
- $select = array((string)$select);
-
- foreach ($this->options as $option)
- {
- $selected = ((strlen($option['value']) && in_array($option['value'], $select, TRUE)) ||
- (in_array($option['text'], $select, TRUE))) ? $this->_conv_case(' selected', 'attrib') : '';
-
- $options_str .= sprintf("<%s%s%s>%s</%s>\n",
- $this->_conv_case('option', 'tag'),
- strlen($option['value']) ? sprintf($value_str, $option['value']) : '',
- $selected,
- rep_specialchars_output($option['text'], 'html', 'replace', FALSE),
- $this->_conv_case('option', 'tag'));
- }
-
- // return final tag
- return sprintf('<%s%s>%s</%s>%s',
- $this->_conv_case('select', 'tag'),
- $this->create_attrib_string(),
- $options_str,
- $this->_conv_case('select', 'tag'),
- ($this->newline ? "\n" : ""));
- }
- }
-
-
-
-
-// ********* rcube schared functions *********
-
-
-// provide details about the client's browser
-function rcube_browser()
- {
- $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
-
- $bw['ver'] = 0;
- $bw['win'] = stristr($HTTP_USER_AGENT, 'win');
- $bw['mac'] = stristr($HTTP_USER_AGENT, 'mac');
- $bw['linux'] = stristr($HTTP_USER_AGENT, 'linux');
- $bw['unix'] = stristr($HTTP_USER_AGENT, 'unix');
-
- $bw['ns4'] = stristr($HTTP_USER_AGENT, 'mozilla/4') && !stristr($HTTP_USER_AGENT, 'msie');
- $bw['ns'] = ($bw['ns4'] || stristr($HTTP_USER_AGENT, 'netscape'));
- $bw['ie'] = stristr($HTTP_USER_AGENT, 'msie');
- $bw['mz'] = stristr($HTTP_USER_AGENT, 'mozilla/5');
- $bw['opera'] = stristr($HTTP_USER_AGENT, 'opera');
- $bw['safari'] = stristr($HTTP_USER_AGENT, 'safari');
-
- if($bw['ns'])
- {
- $test = eregi("mozilla\/([0-9\.]+)", $HTTP_USER_AGENT, $regs);
- $bw['ver'] = $test ? (float)$regs[1] : 0;
- }
- if($bw['mz'])
- {
- $test = ereg("rv:([0-9\.]+)", $HTTP_USER_AGENT, $regs);
- $bw['ver'] = $test ? (float)$regs[1] : 0;
- }
- if($bw['ie'])
- {
- $test = eregi("msie ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
- $bw['ver'] = $test ? (float)$regs[1] : 0;
- }
- if($bw['opera'])
- {
- $test = eregi("opera ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
- $bw['ver'] = $test ? (float)$regs[1] : 0;
- }
-
- if(eregi(" ([a-z]{2})-([a-z]{2})", $HTTP_USER_AGENT, $regs))
- $bw['lang'] = $regs[1];
- else
- $bw['lang'] = 'en';
-
- $bw['dom'] = ($bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5) || ($bw['opera'] && $bw['ver']>=7));
- $bw['pngalpha'] = $bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5.5) ||
- ($bw['ie'] && $bw['ver']>=5 && $bw['mac']) || ($bw['opera'] && $bw['ver']>=7) ? TRUE : FALSE;
-
- return $bw;
- }
-
-
-// get text in the desired language from the language file
-function rcube_label($attrib)
- {
- global $sess_user_lang, $INSTALL_PATH, $OUTPUT;
- static $sa_text_data, $s_language, $utf8_decode;
-
- // extract attributes
- if (is_string($attrib))
- $attrib = array('name' => $attrib);
-
- $nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1;
- $vars = isset($attrib['vars']) ? $attrib['vars'] : '';
-
- $command_name = strlen($attrib['command']) ? $attrib['command'] : NULL;
- $alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : '');
-
-
- // load localized texts
- if (!$sa_text_data || $s_language != $sess_user_lang)
- {
- $sa_text_data = array();
-
- // get english labels (these should be complete)
- @include($INSTALL_PATH.'program/localization/en_US/labels.inc');
- @include($INSTALL_PATH.'program/localization/en_US/messages.inc');
-
- if (is_array($labels))
- $sa_text_data = $labels;
- if (is_array($messages))
- $sa_text_data = array_merge($sa_text_data, $messages);
-
- // include user language files
- if ($sess_user_lang!='en' && is_dir($INSTALL_PATH.'program/localization/'.$sess_user_lang))
- {
- include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/labels.inc');
- include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/messages.inc');
-
- if (is_array($labels))
- $sa_text_data = array_merge($sa_text_data, $labels);
- if (is_array($messages))
- $sa_text_data = array_merge($sa_text_data, $messages);
- }
-
- $s_language = $sess_user_lang;
- }
-
- // text does not exist
- if (!($text_item = $sa_text_data[$alias]))
- {
- /*
- raise_error(array('code' => 500,
- 'type' => 'php',
- 'line' => __LINE__,
- 'file' => __FILE__,
- 'message' => "Missing localized text for '$alias' in '$sess_user_lang'"), TRUE, FALSE);
- */
- return "[$alias]";
- }
-
- // make text item array
- $a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item);
- // decide which text to use
- if ($nr==1)
- $text = $a_text_item['single'];
- else if ($nr>0)
- $text = $a_text_item['multiple'];
- else if ($nr==0)
- {
- if ($a_text_item['none'])
- $text = $a_text_item['none'];
- else if ($a_text_item['single'])
- $text = $a_text_item['single'];
- else if ($a_text_item['multiple'])
- $text = $a_text_item['multiple'];
- }
-
- // default text is single
- if ($text=='')
- $text = $a_text_item['single'];
-
- // replace vars in text
- if (is_array($attrib['vars']))
- {
- foreach ($attrib['vars'] as $var_key=>$var_value)
- $a_replace_vars[substr($var_key, 0, 1)=='$' ? substr($var_key, 1) : $var_key] = $var_value;
- }
-
- if ($a_replace_vars)
- $text = preg_replace('/\${?([_a-z]{1}[_a-z0-9]*)}?/ei', '$a_replace_vars["\1"]', $text);
-
- // remove variables in text which were not available in arg $vars and $nr
- eval("\$text = <<<EOF
-$text
-EOF;
-");
-
- // format output
- if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst'])
- return ucfirst($text);
- else if ($attrib['uppercase'])
- return strtoupper($text);
- else if ($attrib['lowercase'])
- return strtolower($text);
- else
- return $text;
-
- return $text;
- }
-
-
-// send HTTP header for no-cacheing steps
+/**
+ * Send HTTP headers to prevent caching this page
+ */
function send_nocacheing_headers()
- {
+{
if (headers_sent())
return;
header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
- header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
+ header("Cache-Control: private, must-revalidate, post-check=0, pre-check=0");
header("Pragma: no-cache");
+
+ // We need to set the following headers to make downloads work using IE in HTTPS mode.
+ if (isset($_SERVER['HTTPS'])) {
+ header('Pragma: ');
+ header('Cache-Control: ');
}
+}
-// send header with expire date 30 days in future
-function send_future_expire_header()
- {
- if (!headers_sent())
- header("Expires: ".gmdate("D, d M Y H:i:s", mktime()+2600000)." GMT");
- }
+/**
+ * Send header with expire date 30 days in future
+ *
+ * @param int Expiration time in seconds
+ */
+function send_future_expire_header($offset=2600000)
+{
+ if (headers_sent())
+ return;
+ header("Expires: ".gmdate("D, d M Y H:i:s", mktime()+$offset)." GMT");
+ header("Cache-Control: max-age=$offset");
+ header("Pragma: ");
+}
+
+
+/**
+ * Check request for If-Modified-Since and send an according response.
+ * This will terminate the current script if headers match the given values
+ *
+ * @param int Modified date as unix timestamp
+ * @param string Etag value for caching
+ */
+function send_modified_header($mdate, $etag=null, $skip_check=false)
+{
+ if (headers_sent())
+ return;
+
+ $iscached = false;
+ $etag = $etag ? "\"$etag\"" : null;
-// function to convert an array to a javascript array
-function array2js($arr, $type='')
+ if (!$skip_check)
{
- if (!$type)
- $type = 'mixed';
-
- if (is_array($arr))
- {
- // no items in array
- if (!sizeof($arr))
- return 'new Array()';
+ if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $mdate)
+ $iscached = true;
+
+ if ($etag)
+ $iscached = ($_SERVER['HTTP_IF_NONE_MATCH'] == $etag);
+ }
+
+ if ($iscached)
+ header("HTTP/1.x 304 Not Modified");
+ else
+ header("Last-Modified: ".gmdate("D, d M Y H:i:s", $mdate)." GMT");
+
+ header("Cache-Control: max-age=0");
+ header("Expires: ");
+ header("Pragma: ");
+
+ if ($etag)
+ header("Etag: $etag");
+
+ if ($iscached)
+ {
+ ob_end_clean();
+ exit;
+ }
+}
+
+
+/**
+ * Returns whether an $str is a reserved word for any of the version of Javascript or ECMAScript
+ * @param str String to check
+ * @return boolean True if $str is a reserver word, False if not
+ */
+function is_js_reserved_word($str)
+{
+ return in_array($str, array(
+ // ECMASript ver 4 reserved words
+ 'as','break','case','catch','class','const','continue',
+ 'default','delete','do','else','export','extends','false','finally','for','function',
+ 'if','import','in','instanceof','is','namespace','new','null','package','private',
+ 'public','return','super','switch','this','throw','true','try','typeof','use','var',
+ 'void','while','with',
+ // ECMAScript ver 4 future reserved words
+ 'abstract','debugger','enum','goto','implements','interface','native','protected',
+ 'synchronized','throws','transient','volatile',
+ // special meaning in some contexts
+ 'get','set',
+ // were reserved in ECMAScript ver 3
+ 'boolean','byte','char','double','final','float','int','long','short','static'
+ ));
+}
+
+
+/**
+ * Convert a variable into a javascript object notation
+ *
+ * @param mixed Input value
+ * @return string Serialized JSON string
+ */
+function json_serialize($var)
+{
+ if (is_object($var))
+ $var = get_object_vars($var);
+
+ if (is_array($var))
+ {
+ // empty array
+ if (!sizeof($var))
+ return '[]';
else
- {
- $a_pairs = array();
- $keys_arr = array_keys($arr);
+ {
+ $keys_arr = array_keys($var);
$is_assoc = $have_numeric = 0;
for ($i=0; $i<sizeof($keys_arr); ++$i)
- {
- if(is_numeric($keys_arr[$i]))
+ {
+ if (is_numeric($keys_arr[$i]))
$have_numeric = 1;
- if (!is_numeric($keys_arr[$i]) || $keys_arr[$i]!=$i)
+ if (!is_numeric($keys_arr[$i]) || $keys_arr[$i] != $i)
$is_assoc = 1;
- if($is_assoc && $have_numeric)
+ if ($is_assoc && $have_numeric)
break;
- }
+ }
+
+ $brackets = $is_assoc ? '{}' : '[]';
+ $pairs = array();
- $previous_was_array = false;
- while (list($key, $value) = each($arr))
- {
+ foreach ($var as $key => $value)
+ {
// enclose key with quotes if it is not variable-name conform
- if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) /* || is_js_reserved_word($key) */)
+ if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) || is_js_reserved_word($key))
$key = "'$key'";
- if (!is_array($value))
- {
- $value = str_replace("\r\n", '\n', $value);
- $value = str_replace("\n", '\n', $value);
- }
-
- $is_string = false;
- if (!is_array($value))
- {
- if ($type=='string')
- $is_string = true;
- else if ((($type=='mixed' && is_numeric($value)) || $type=='int') && strlen($value)<16) // js interprets numbers with digits >15 as ...e+...
- $is_string = FALSE;
- else
- $is_string = TRUE;
- }
-
- if ($is_string)
- $value = "'".preg_replace("/(?<!\\\)'/", "\'", $value)."'";
-
- $a_pairs[] = sprintf("%s%s",
- $is_assoc ? "$key:" : '',
- is_array($value) ? array2js($value, $type) : $value);
- }
-
- if ($a_pairs)
- {
- if ($is_assoc)
- $return = '{'.implode(',', $a_pairs).'}';
- else
- $return = '['.implode(',', $a_pairs).']';
- }
-
- return $return;
+ $pairs[] = sprintf("%s%s", $is_assoc ? "$key:" : '', json_serialize($value));
}
+
+ return $brackets{0} . implode(',', $pairs) . $brackets{1};
}
- else
- return $arr;
}
+ else if (!is_string($var) && strval(intval($var)) === strval($var))
+ return $var;
+ else if (is_bool($var))
+ return $var ? '1' : '0';
+ else
+ return "'".JQ($var)."'";
+}
-// similar function as in_array() ut case-insensitive
+
+/**
+ * Function to convert an array to a javascript array
+ * Actually an alias function for json_serialize()
+ * @deprecated
+ */
+function array2js($arr, $type='')
+{
+ return json_serialize($arr);
+}
+
+
+/**
+ * Similar function as in_array() but case-insensitive
+ *
+ * @param mixed Needle value
+ * @param array Array to search in
+ * @return boolean True if found, False if not
+ */
function in_array_nocase($needle, $haystack)
- {
+{
+ $needle = rc_strtolower($needle);
foreach ($haystack as $value)
- {
- if (strtolower($needle)===strtolower($value))
- return TRUE;
- }
-
- return FALSE;
- }
-
+ if ($needle===rc_strtolower($value))
+ return true;
+
+ return false;
+}
-// find out if the string content means TRUE or FALSE
+/**
+ * Find out if the string content means TRUE or FALSE
+ *
+ * @param string Input value
+ * @return boolean Imagine what!
+ */
function get_boolean($str)
- {
+{
$str = strtolower($str);
if(in_array($str, array('false', '0', 'no', 'nein', ''), TRUE))
return FALSE;
else
return TRUE;
+}
+
+
+/**
+ * Parse a human readable string for a number of bytes
+ *
+ * @param string Input string
+ * @return int Number of bytes
+ */
+function parse_bytes($str)
+{
+ if (is_numeric($str))
+ return intval($str);
+
+ if (preg_match('/([0-9]+)([a-z])/i', $str, $regs))
+ {
+ $bytes = floatval($regs[1]);
+ switch (strtolower($regs[2]))
+ {
+ case 'g':
+ $bytes *= 1073741824;
+ break;
+ case 'm':
+ $bytes *= 1048576;
+ break;
+ case 'k':
+ $bytes *= 1024;
+ break;
+ }
}
-
-function show_bytes($numbytes)
+ return intval($bytes);
+}
+
+/**
+ * Create a human readable string for a number of bytes
+ *
+ * @param int Number of bytes
+ * @return string Byte string
+ */
+function show_bytes($bytes)
+{
+ if ($bytes > 1073741824)
{
- if ($numbytes > 1024)
- return sprintf('%d KB', round($numbytes/1024));
- else
- return sprintf('%d B', $numbytes);
+ $gb = $bytes/1073741824;
+ $str = sprintf($gb>=10 ? "%d " : "%.1f ", $gb) . rcube_label('GB');
+ }
+ else if ($bytes > 1048576)
+ {
+ $mb = $bytes/1048576;
+ $str = sprintf($mb>=10 ? "%d " : "%.1f ", $mb) . rcube_label('MB');
}
+ else if ($bytes > 1024)
+ $str = sprintf("%d ", round($bytes/1024)) . rcube_label('KB');
+ else
+ $str = sprintf('%d ', $bytes) . rcube_label('B');
+
+ return $str;
+}
-// convert paths like ../xxx to an absolute path using a base url
+/**
+ * Convert paths like ../xxx to an absolute path using a base url
+ *
+ * @param string Relative path
+ * @param string Base URL
+ * @return string Absolute URL
+ */
function make_absolute_url($path, $base_url)
- {
- $host_url = $base_url;
- $abs_path = $path;
+{
+ $host_url = $base_url;
+ $abs_path = $path;
+
+ // check if path is an absolute URL
+ if (preg_match('/^[fhtps]+:\/\//', $path))
+ return $path;
- // cut base_url to the last directory
- if (strpos($base_url, '/')>7)
- {
- $host_url = substr($base_url, 0, strpos($base_url, '/'));
- $base_url = substr($base_url, 0, strrpos($base_url, '/'));
- }
+ // cut base_url to the last directory
+ if (strpos($base_url, '/')>7)
+ {
+ $host_url = substr($base_url, 0, strpos($base_url, '/'));
+ $base_url = substr($base_url, 0, strrpos($base_url, '/'));
+ }
- // $path is absolute
- if ($path{0}=='/')
- $abs_path = $host_url.$path;
- else
+ // $path is absolute
+ if ($path{0}=='/')
+ $abs_path = $host_url.$path;
+ else
+ {
+ // strip './' because its the same as ''
+ $path = preg_replace('/^\.\//', '', $path);
+
+ if (preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER))
+ foreach ($matches as $a_match)
{
- // strip './' because its the same as ''
- $path = preg_replace('/^\.\//', '', $path);
-
- if(preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER))
- foreach($matches as $a_match)
- {
- if (strrpos($base_url, '/'))
- $base_url = substr($base_url, 0, strrpos($base_url, '/'));
-
- $path = substr($path, 3);
- }
-
- $abs_path = $base_url.'/'.$path;
+ if (strrpos($base_url, '/'))
+ $base_url = substr($base_url, 0, strrpos($base_url, '/'));
+
+ $path = substr($path, 3);
}
-
- return $abs_path;
- }
+ $abs_path = $base_url.'/'.$path;
+ }
+
+ return $abs_path;
+}
-// replace the middle part of a string with ...
-// if it is longer than the allowed length
-function abbrevate_string($str, $maxlength, $place_holder='...')
+
+/**
+ * Wrapper function for strlen
+ */
+function rc_strlen($str)
+{
+ if (function_exists('mb_strlen'))
+ return mb_strlen($str);
+ else
+ return strlen($str);
+}
+
+/**
+ * Wrapper function for strtolower
+ */
+function rc_strtolower($str)
+{
+ if (function_exists('mb_strtolower'))
+ return mb_strtolower($str);
+ else
+ return strtolower($str);
+}
+
+/**
+ * Wrapper function for strtoupper
+ */
+function rc_strtoupper($str)
+{
+ if (function_exists('mb_strtoupper'))
+ return mb_strtoupper($str);
+ else
+ return strtoupper($str);
+}
+
+/**
+ * Wrapper function for substr
+ */
+function rc_substr($str, $start, $len=null)
+{
+ if (function_exists('mb_substr'))
+ return mb_substr($str, $start, $len);
+ else
+ return substr($str, $start, $len);
+}
+
+/**
+ * Wrapper function for strpos
+ */
+function rc_strpos($haystack, $needle, $offset=0)
+{
+ if (function_exists('mb_strpos'))
+ return mb_strpos($haystack, $needle, $offset);
+ else
+ return strpos($haystack, $needle, $offset);
+}
+
+/**
+ * Wrapper function for strrpos
+ */
+function rc_strrpos($haystack, $needle, $offset=0)
+{
+ if (function_exists('mb_strrpos'))
+ return mb_strrpos($haystack, $needle, $offset);
+ else
+ return strrpos($haystack, $needle, $offset);
+}
+
+
+/**
+ * Read a specific HTTP request header
+ *
+ * @access static
+ * @param string $name Header name
+ * @return mixed Header value or null if not available
+ */
+function rc_request_header($name)
+{
+ if (function_exists('getallheaders'))
+ {
+ $hdrs = array_change_key_case(getallheaders(), CASE_UPPER);
+ $key = strtoupper($name);
+ }
+ else
{
- $length = strlen($str);
- $first_part_length = floor($maxlength/2) - strlen($place_holder);
+ $key = 'HTTP_' . strtoupper(strtr($name, '-', '_'));
+ $hdrs = array_change_key_case($_SERVER, CASE_UPPER);
+ }
+
+ return $hdrs[$key];
+ }
+
+
+/**
+ * Replace the middle part of a string with ...
+ * if it is longer than the allowed length
+ *
+ * @param string Input string
+ * @param int Max. length
+ * @param string Replace removed chars with this
+ * @return string Abbreviated string
+ */
+function abbreviate_string($str, $maxlength, $place_holder='...')
+{
+ $length = rc_strlen($str);
+ $first_part_length = floor($maxlength/2) - rc_strlen($place_holder);
if ($length > $maxlength)
- {
+ {
$second_starting_location = $length - $maxlength + $first_part_length + 1;
- $str = substr($str, 0, $first_part_length) . $place_holder . substr($str, $second_starting_location, $length);
- }
+ $str = rc_substr($str, 0, $first_part_length) . $place_holder . rc_substr($str, $second_starting_location, $length);
+ }
return $str;
- }
+}
-// make sure the string ends with a slash
+/**
+ * Make sure the string ends with a slash
+ */
function slashify($str)
- {
+{
return unslashify($str).'/';
- }
+}
-// remove slash at the end of the string
+/**
+ * Remove slash at the end of the string
+ */
function unslashify($str)
- {
+{
return preg_replace('/\/$/', '', $str);
- }
+}
-// delete all files within a folder
+/**
+ * Delete all files within a folder
+ *
+ * @param string Path to directory
+ * @return boolean True on success, False if directory was not found
+ */
function clear_directory($dir_path)
- {
+{
$dir = @opendir($dir_path);
if(!$dir) return FALSE;
closedir($dir);
return TRUE;
- }
+}
-// create a unix timestamp with a specified offset from now
+/**
+ * Create a unix timestamp with a specified offset from now
+ *
+ * @param string String representation of the offset (e.g. 20min, 5h, 2days)
+ * @param int Factor to multiply with the offset
+ * @return int Unix timestamp
+ */
function get_offset_time($offset_str, $factor=1)
{
if (preg_match('/^([0-9]+)\s*([smhdw])/i', $offset_str, $regs))
- {
+ {
$amount = (int)$regs[1];
$unit = strtolower($regs[2]);
- }
+ }
else
- {
+ {
$amount = (int)$offset_str;
$unit = 's';
- }
+ }
$ts = mktime();
switch ($unit)
- {
+ {
case 'w':
$amount *= 7;
case 'd':
$amount *= 24;
case 'h':
$amount *= 60;
- case 'h':
+ case 'm':
$amount *= 60;
case 's':
$ts += $amount * $factor;
- }
-
- return $ts;
}
+ return $ts;
+}
+
+
+/**
+ * A method to guess the mime_type of an attachment.
+ *
+ * @param string $path Path to the file.
+ * @param string $failover Mime type supplied for failover.
+ *
+ * @return string
+ * @author Till Klampaeckel <till@php.net>
+ * @see http://de2.php.net/manual/en/ref.fileinfo.php
+ * @see http://de2.php.net/mime_content_type
+ */
+function rc_mime_content_type($path, $failover = 'application/octet-stream')
+{
+ $mime_type = null;
+ $mime_magic = rcmail::get_instance()->config->get('mime_magic');
+
+ if (!extension_loaded('fileinfo')) {
+ @dl('fileinfo.' . PHP_SHLIB_SUFFIX);
+ }
+
+ if (function_exists('finfo_open')) {
+ if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) {
+ $mime_type = finfo_file($finfo, $path);
+ finfo_close($finfo);
+ }
+ }
+ if (!$mime_type && function_exists('mime_content_type')) {
+ $mime_type = mime_content_type($path);
+ }
+
+ if (!$mime_type) {
+ $mime_type = $failover;
+ }
+
+ return $mime_type;
+}
+
+
+/**
+ * A method to guess encoding of a string.
+ *
+ * @param string $string String.
+ * @param string $failover Default result for failover.
+ *
+ * @return string
+ */
+function rc_detect_encoding($string, $failover='')
+{
+ if (!function_exists('mb_detect_encoding')) {
+ return $failover;
+ }
+
+ // FIXME: the order is important, because sometimes
+ // iso string is detected as euc-jp and etc.
+ $enc = array(
+ 'UTF-8', 'SJIS', 'BIG5', 'GB2312',
+ 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
+ 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
+ 'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
+ 'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R',
+ 'ISO-2022-KR', 'ISO-2022-JP'
+ );
+
+ $result = mb_detect_encoding($string, join(',', $enc));
+
+ return $result ? $result : $failover;
+}
?>
projects / roundcube.git / blobdiff