/**
* strings.php
*
- * Copyright (c) 1999-2004 The SquirrelMail Project Team
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This code provides various string manipulation functions that are
- * used by the rest of the Squirrelmail code.
+ * used by the rest of the SquirrelMail code.
*
* @version $Id$
* @package squirrelmail
/**
* Checks for spaces in strings - only used if PHP doesn't have native ctype support
*
- * @author Tomas Kuliavas
- *
* You might be able to rewrite the function by adding short evaluation form.
*
* possible problems:
* @return bool true when only whitespace symbols are present in test string
*/
function sm_ctype_space($string) {
- if ( preg_match('/^[\x09-\x0D]|^\x20/', $string) || $string=='') {
- return true;
- } else {
- return false;
- }
+ if ( preg_match('/^[\x09-\x0D]|^\x20/', $string) || $string=='') {
+ return true;
+ } else {
+ return false;
+ }
}
/**
* @return string the wrapped text
*/
function &sqBodyWrap (&$body, $wrap) {
- //sm_print_r($body);
//check for ctype support, and fake it if it doesn't exist
if (!function_exists('ctype_space')) {
function ctype_space ($string) {
$outString = '';
// current column since the last newline in the outstring
$outStringCol = 0;
- $length = strlen($body);
+ $length = sq_strlen($body);
// where we are in the original string
$pos = 0;
// the number of >>> citation markers we are currently at
// we're at the beginning of a line, get the new cite level
$newCiteLevel = 0;
- while (($pos < $length) && ($body{$pos} == '>')) {
+ while (($pos < $length) && (sq_substr($body,$pos,1) == '>')) {
$newCiteLevel++;
$pos++;
// skip over any spaces interleaved among the cite markers
- while (($pos < $length) && ($body{$pos} == ' ')) {
-
+ while (($pos < $length) && (sq_substr($body,$pos,1) == ' ')) {
+
$pos++;
-
+
}
if ($pos >= $length) {
break;
// special case: if this is a blank line then maintain it
// (i.e. try to preserve original paragraph breaks)
// unless they occur at the very beginning of the text
- if (($body{$pos} == "\n" ) && (strlen($outString) != 0)) {
- $outStringLast = $outString{strlen($outString) - 1};
+ if ((sq_substr($body,$pos,1) == "\n" ) && (sq_strlen($outString) != 0)) {
+ $outStringLast = $outString{sq_strlen($outString) - 1};
if ($outStringLast != "\n") {
$outString .= "\n";
}
}
// find the next newline -- we don't want to go further than that
- $nextNewline = strpos ($body, "\n", $pos);
+ $nextNewline = sq_strpos ($body, "\n", $pos);
if ($nextNewline === FALSE) {
$nextNewline = $length;
}
// will work fine for this. Maybe revisit this later though
// (for completeness more than anything else, I think)
if ($citeLevel == 0) {
- $outString .= substr ($body, $pos, ($nextNewline - $pos));
+ $outString .= sq_substr ($body, $pos, ($nextNewline - $pos));
$outStringCol = $nextNewline - $pos;
if ($nextNewline != $length) {
sqMakeNewLine ($outString, 0, $outStringCol);
$pos = $nextNewline + 1;
continue;
}
-
+ /**
+ * Set this to false to stop appending short strings to previous lines
+ */
+ $smartwrap = true;
// inner loop, (obviously) handles wrapping up to
// the next newline
while ($pos < $nextNewline) {
// skip over initial spaces
- while (($pos < $nextNewline) && (ctype_space ($body{$pos}))) {
+ while (($pos < $nextNewline) && (ctype_space (sq_substr($body,$pos,1)))) {
$pos++;
}
-
// if this is a short line then just append it and continue outer loop
if (($outStringCol + $nextNewline - $pos) <= ($wrap - $citeLevel - 1) ) {
// if this is the final line in the input string then include
// any trailing newlines
// echo substr($body,$pos,$wrap). "<br />";
- if (($nextNewline + 1 == $length) && ($body{$nextNewline} == "\n")) {
+ if (($nextNewline + 1 == $length) && (sq_substr($body,$nextNewline,1) == "\n")) {
$nextNewline++;
}
- if (($nextNewline < $length && $body{$nextNewline} == "\n") &&
+ // trim trailing spaces
+ $lastRealChar = $nextNewline;
+ while (($lastRealChar > $pos && $lastRealChar < $length) && (ctype_space (sq_substr($body,$lastRealChar,1)))) {
+ $lastRealChar--;
+ }
+ // decide if appending the short string is what we want
+ if (($nextNewline < $length && sq_substr($body,$nextNewline,1) == "\n") &&
isset($lastRealChar)) {
-
- // trim trailing spaces
- $lastRealChar = $nextNewline;
- while (($lastRealChar > $pos && $lastRealChar < $length) && (ctype_space ($body{$lastRealChar}))) {
- $lastRealChar--;
- }
-
- //check the first word:
- $mypos = $nextNewline+1;
- while (($mypos < $length) && ($body{$mypos} == '>')) {
- $mypos++;
-
- // skip over any spaces interleaved among the cite markers
- while (($mypos < $length) && ($body{$mypos} == ' ')) {
-
+ $mypos = $pos;
+ //check the first word:
+ while (($mypos < $length) && (sq_substr($body,$mypos,1) == '>')) {
+ $mypos++;
+ // skip over any spaces interleaved among the cite markers
+ while (($mypos < $length) && (sq_substr($body,$mypos,1) == ' ')) {
$mypos++;
-
+ }
+ }
+/*
+ $ldnspacecnt = 0;
+ if ($mypos == $nextNewline+1) {
+ while (($mypos < $length) && ($body{$mypos} == ' ')) {
+ $ldnspacecnt++;
}
- }
- $firstword = substr($body,$mypos,strpos($body,' ',$mypos) - $mypos);
- if ($firstword && ($firstword{0} == '-' ||
+ }
+*/
+
+ $firstword = sq_substr($body,$mypos,sq_strpos($body,' ',$mypos) - $mypos);
+ //if ($dowrap || $ldnspacecnt > 1 || ($firstword && (
+ if (!$smartwrap || $firstword && (
+ $firstword{0} == '-' ||
$firstword{0} == '+' ||
$firstword{0} == '*' ||
+ sq_substr($firstword,0,1) == sq_strtoupper(sq_substr($firstword,0,1)) ||
strpos($firstword,':'))) {
- $outString .= substr($body,$pos,($lastRealChar - $pos+1));
- $outStringCol += ($lastRealChar - $pos);
- sqMakeNewLine($outString,$citeLevel,$outStringCol);
- $nextNewline++;
- $pos = $nextNewline;
- $outStringCol--;
- continue; //break 2;
- }
- }
-
+ $outString .= sq_substr($body,$pos,($lastRealChar - $pos+1));
+ $outStringCol += ($lastRealChar - $pos);
+ sqMakeNewLine($outString,$citeLevel,$outStringCol);
+ $nextNewline++;
+ $pos = $nextNewline;
+ $outStringCol--;
+ continue;
+ }
- // trim trailing spaces
- $lastRealChar = $nextNewline;
- while (($lastRealChar > $pos && $lastRealChar < $length) && (ctype_space ($body{$lastRealChar}))) {
- $lastRealChar--;
}
- $outString .= substr ($body, $pos, ($lastRealChar - $pos + 1));
+
+ $outString .= sq_substr ($body, $pos, ($lastRealChar - $pos + 1));
$outStringCol += ($lastRealChar - $pos);
$pos = $nextNewline + 1;
continue;
}
+
$eol = $pos + $wrap - $citeLevel - $outStringCol;
// eol is the tentative end of line.
// look backwards for there for a whitespace to break at.
// start looking backwards for whitespace to break at.
$breakPoint = $eol;
- while (($breakPoint > $pos) && (! ctype_space ($body{$breakPoint}))) {
+ while (($breakPoint > $pos) && (! ctype_space (sq_substr($body,$breakPoint,1)))) {
$breakPoint--;
}
}
// skip newlines or whitespace at the beginning of the string
- $substring = substr ($body, $pos, ($breakPoint - $pos));
+ $substring = sq_substr ($body, $pos, ($breakPoint - $pos));
$substring = rtrim ($substring); // do rtrim and ctype_space have the same ideas about whitespace?
$outString .= $substring;
- $outStringCol += strlen ($substring);
+ $outStringCol += sq_strlen ($substring);
// advance past the whitespace which caused the wrap
$pos = $breakPoint;
- while (($pos < $length) && (ctype_space ($body{$pos}))) {
+ while (($pos < $length) && (ctype_space (sq_substr($body,$pos,1)))) {
$pos++;
}
if ($pos < $length) {
* Has a problem with special HTML characters, so call this before
* you do character translation.
*
- * Specifically, ' comes up as 5 characters instead of 1.
+ * Specifically, &#039; comes up as 5 characters instead of 1.
* This should not add newlines to the end of lines.
*
* @param string line the line of text to wrap, by ref
* @param int wrap the maximum line lenth
+ * @param string charset name of charset used in $line string. Available since v.1.5.1.
* @return void
*/
-function sqWordWrap(&$line, $wrap) {
+function sqWordWrap(&$line, $wrap, $charset='') {
global $languages, $squirrelmail_language;
+ // Use custom wrapping function, if translation provides it
if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
- function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_wordwrap')) {
if (mb_detect_encoding($line) != 'ASCII') {
- $line = $languages[$squirrelmail_language]['XTRA_CODE']('wordwrap', $line, $wrap);
+ $line = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_wordwrap', $line, $wrap);
return;
}
}
while ($i < count($words)) {
/* Force one word to be on a line (minimum) */
$line .= $words[$i];
- $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2;
+ $line_len = strlen($beginning_spaces) + sq_strlen($words[$i],$charset) + 2;
if (isset($words[$i + 1]))
- $line_len += strlen($words[$i + 1]);
+ $line_len += sq_strlen($words[$i + 1],$charset);
$i ++;
/* Add more words (as long as they fit) */
$line .= ' ' . $words[$i];
$i++;
if (isset($words[$i]))
- $line_len += strlen($words[$i]) + 1;
+ $line_len += sq_strlen($words[$i],$charset) + 1;
else
$line_len += 1;
}
$Val *= -1;
}
- if ($Val = 0) {
+ if ($Val == 0) {
return;
}
}
/**
- * Generates a random string from the caracter set you pass in
+ * Generates a random string from the character set you pass in
*
* @param int size the size of the string to generate
* @param string chars a string containing the characters to use
// build the compose in new window link...
- // if javascript is on, use onClick event to handle it
+ // if javascript is on, use onclick event to handle it
if($javascript_on) {
sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION);
return '<a href="javascript:void(0)" onclick="comp_in_new(\''.$base_uri.$url.'\')">'. $text.'</a>';
foreach(func_get_args() as $var) {
print_r($var);
echo "\n";
+ // php has get_class_methods function that can print class methods
+ if (is_object($var)) {
+ // get class methods if $var is object
+ $aMethods=get_class_methods(get_class($var));
+ // make sure that $aMethods is array and array is not empty
+ if (is_array($aMethods) && $aMethods!=array()) {
+ echo "Object methods:\n";
+ foreach($aMethods as $method) {
+ echo '* ' . $method . "\n";
+ }
+ }
+ echo "\n";
+ }
}
$buffer = ob_get_contents(); // Grab the print_r output
ob_end_clean(); // Silently discard the output & stop buffering
* sq_htmlentities
*
* Convert all applicable characters to HTML entities.
- * Minimal php requirement - v.4.0.5
+ * Minimal php requirement - v.4.0.5.
+ *
+ * Function is designed for people that want to use full power of htmlentities() in
+ * i18n environment.
*
* @param string $string string that has to be sanitized
* @param integer $quote_style quote encoding style. Possible values (without quotes):
return str_replace(array_keys($sq_html_ent_table),array_values($sq_html_ent_table),$string);
}
+/**
+ * Tests if string contains 8bit symbols.
+ *
+ * If charset is not set, function defaults to default_charset.
+ * $default_charset global must be set correctly if $charset is
+ * not used.
+ * @param string $string tested string
+ * @param string $charset charset used in a string
+ * @return bool true if 8bit symbols are detected
+ * @since 1.5.1 and 1.4.4
+ */
+function sq_is8bit($string,$charset='') {
+ global $default_charset;
+
+ if ($charset=='') $charset=$default_charset;
+
+ /**
+ * Don't use \240 in ranges. Sometimes RH 7.2 doesn't like it.
+ * Don't use \200-\237 for iso-8859-x charsets. This range
+ * stores control symbols in those charsets.
+ * Use preg_match instead of ereg in order to avoid problems
+ * with mbstring overloading
+ */
+ if (preg_match("/^iso-8859/i",$charset)) {
+ $needle='/\240|[\241-\377]/';
+ } else {
+ $needle='/[\200-\237]|\240|[\241-\377]/';
+ }
+ return preg_match("$needle",$string);
+}
+
+/**
+ * Replacement of mb_list_encodings function
+ *
+ * This function provides replacement for function that is available only
+ * in php 5.x. Function does not test all mbstring encodings. Only the ones
+ * that might be used in SM translations.
+ *
+ * Supported strings are stored in session in order to reduce number of
+ * mb_internal_encoding function calls.
+ *
+ * If you want to test all mbstring encodings - fill $list_of_encodings
+ * array.
+ * @return array list of encodings supported by php mbstring extension
+ * @since 1.5.1
+ */
+function sq_mb_list_encodings() {
+ if (! function_exists('mb_internal_encoding'))
+ return array();
+
+ // don't try to test encodings, if they are already stored in session
+ if (sqgetGlobalVar('mb_supported_encodings',$mb_supported_encodings,SQ_SESSION))
+ return $mb_supported_encodings;
+
+ // save original encoding
+ $orig_encoding=mb_internal_encoding();
+
+ $list_of_encoding=array(
+ 'pass',
+ 'auto',
+ 'ascii',
+ 'jis',
+ 'utf-8',
+ 'sjis',
+ 'euc-jp',
+ 'iso-8859-1',
+ 'iso-8859-2',
+ 'iso-8859-7',
+ 'iso-8859-9',
+ 'iso-8859-15',
+ 'koi8-r',
+ 'koi8-u',
+ 'big5',
+ 'gb2312',
+ 'gb18030',
+ 'windows-1251',
+ 'windows-1255',
+ 'windows-1256',
+ 'tis-620',
+ 'iso-2022-jp',
+ 'euc-kr',
+ 'utf7-imap');
+
+ $supported_encodings=array();
+
+ foreach ($list_of_encoding as $encoding) {
+ // try setting encodings. suppress warning messages
+ if (@mb_internal_encoding($encoding))
+ $supported_encodings[]=$encoding;
+ }
+
+ // restore original encoding
+ mb_internal_encoding($orig_encoding);
+
+ // register list in session
+ sqsession_register($supported_encodings,'mb_supported_encodings');
+
+ return $supported_encodings;
+}
+
+/**
+ * Function returns number of characters in string.
+ *
+ * Returned number might be different from number of bytes in string,
+ * if $charset is multibyte charset. Detection depends on mbstring
+ * functions. If mbstring does not support tested multibyte charset,
+ * vanilla string length function is used.
+ * @param string $str string
+ * @param string $charset charset
+ * @since 1.5.1
+ * @return integer number of characters in string
+ */
+function sq_strlen($str, $charset=''){
+ // default option
+ if ($charset=='') return strlen($str);
+
+ // use automatic charset detection, if function call asks for it
+ if ($charset=='auto') {
+ global $default_charset;
+ set_my_charset();
+ $charset=$default_charset;
+ }
+
+ // lowercase charset name
+ $charset=strtolower($charset);
+
+ // Use mbstring only with listed charsets
+ $aList_of_mb_charsets=array('utf-8','big5','gb2312','gb18030','euc-jp','euc-cn','euc-tw','euc-kr');
+
+ // calculate string length according to charset
+ if (in_array($charset,$aList_of_mb_charsets) && in_array($charset,sq_mb_list_encodings())) {
+ $real_length = mb_strlen($str,$charset);
+ } else {
+ // own strlen detection code is removed because missing strpos,
+ // strtoupper and substr implementations break string wrapping.
+ $real_length=strlen($str);
+ }
+ return $real_length;
+}
+
+/**
+ * string padding with multibyte support
+ *
+ * @link http://www.php.net/str_pad
+ * @param string $string original string
+ * @param integer $width padded string width
+ * @param string $pad padding symbols
+ * @param integer $padtype padding type
+ * (internal php defines, see str_pad() description)
+ * @param string $charset charset used in original string
+ * @return string padded string
+ */
+function sq_str_pad($string, $width, $pad, $padtype, $charset='') {
+
+ $charset = strtolower($charset);
+ $padded_string = '';
+
+ switch ($charset) {
+ case 'utf-8':
+ case 'big5':
+ case 'gb2312':
+ case 'euc-kr':
+ /*
+ * all multibyte charsets try to increase width value by
+ * adding difference between number of bytes and real length
+ */
+ $width = $width - sq_strlen($string,$charset) + strlen($string);
+ default:
+ $padded_string=str_pad($string,$width,$pad,$padtype);
+ }
+ return $padded_string;
+}
+
+/**
+ * Wrapper that is used to switch between vanilla and multibyte substr
+ * functions.
+ * @param string $string
+ * @param integer $start
+ * @param integer $length
+ * @param string $charset
+ * @return string
+ * @since 1.5.1
+ * @link http://www.php.net/substr
+ * @link http://www.php.net/mb_substr
+ */
+function sq_substr($string,$start,$length,$charset='auto') {
+ // use automatic charset detection, if function call asks for it
+ if ($charset=='auto') {
+ global $default_charset;
+ set_my_charset();
+ $charset=$default_charset;
+ }
+ $charset = strtolower($charset);
+ if (function_exists('mb_internal_encoding') &&
+ in_array($charset,sq_mb_list_encodings())) {
+ return mb_substr($string,$start,$length,$charset);
+ }
+ // TODO: add mbstring independent code
+
+ // use vanilla string functions as last option
+ return substr($string,$start,$length);
+}
+
+/**
+ * Wrapper that is used to switch between vanilla and multibyte strpos
+ * functions.
+ * @param string $haystack
+ * @param mixed $needle
+ * @param integer $offset
+ * @param string $charset
+ * @return string
+ * @since 1.5.1
+ * @link http://www.php.net/strpos
+ * @link http://www.php.net/mb_strpos
+ */
+function sq_strpos($haystack,$needle,$offset,$charset='auto') {
+ // use automatic charset detection, if function call asks for it
+ if ($charset=='auto') {
+ global $default_charset;
+ set_my_charset();
+ $charset=$default_charset;
+ }
+ $charset = strtolower($charset);
+ if (function_exists('mb_internal_encoding') &&
+ in_array($charset,sq_mb_list_encodings())) {
+ return mb_strpos($haystack,$needle,$offset,$charset);
+ }
+ // TODO: add mbstring independent code
+
+ // use vanilla string functions as last option
+ return strpos($haystack,$needle,$offset);
+}
+
+/**
+ * Wrapper that is used to switch between vanilla and multibyte strtoupper
+ * functions.
+ * @param string $string
+ * @param string $charset
+ * @return string
+ * @since 1.5.1
+ * @link http://www.php.net/strtoupper
+ * @link http://www.php.net/mb_strtoupper
+ */
+function sq_strtoupper($string,$charset='auto') {
+ // use automatic charset detection, if function call asks for it
+ if ($charset=='auto') {
+ global $default_charset;
+ set_my_charset();
+ $charset=$default_charset;
+ }
+ $charset = strtolower($charset);
+ if (function_exists('mb_internal_encoding') &&
+ in_array($charset,sq_mb_list_encodings())) {
+ return mb_strtoupper($string,$charset);
+ }
+ // TODO: add mbstring independent code
+
+ // use vanilla string functions as last option
+ return strtoupper($string);
+}
$PHP_SELF = php_self();
?>
\ No newline at end of file
projects / squirrelmail.git / blobdiff