*/
require_once(SM_PATH . 'functions/global.php');
+/**
+ * Appends citation markers to the string.
+ * Also appends a trailing space.
+ *
+ * @author Justus Pendleton
+ *
+ * @param string str The string to append to
+ * @param int citeLevel the number of markers to append
+ * @return null
+ */
+function sqMakeCite (&$str, $citeLevel) {
+ for ($i = 0; $i < $citeLevel; $i++) {
+ $str .= '>';
+ }
+ if ($citeLevel != 0) {
+ $str .= ' ';
+ }
+}
+
+/**
+ * Create a newline in the string, adding citation
+ * markers to the newline as necessary.
+ *
+ * @author Justus Pendleton
+ *
+ * @param string str the string to make a newline in
+ * @param int citeLevel the citation level the newline is at
+ * @param int column starting column of the newline
+ * @return null
+ */
+function sqMakeNewLine (&$str, $citeLevel, &$column) {
+ $str .= "\n";
+ $column = 0;
+ if ($citeLevel > 0) {
+ sqMakeCite ($str, $citeLevel);
+ $column = $citeLevel + 1;
+ } else {
+ $column = 0;
+ }
+}
+
+/**
+ * Wraps text at $wrap characters. While sqWordWrap takes
+ * a single line of text and wraps it, this function works
+ * on the entire corpus at once, this allows it to be a little
+ * bit smarter and when and how to wrap.
+ *
+ * @author Justus Pendleton
+ *
+ * @param string body the entire body of text
+ * @param int wrap the maximum line length
+ * @return string the wrapped text
+ */
+function &sqBodyWrap (&$body, $wrap) {
+ // the newly wrapped text
+ $outString = '';
+ // current column since the last newline in the outstring
+ $outStringCol = 0;
+ $length = strlen($body);
+ // where we are in the original string
+ $pos = 0;
+ // the number of >>> citation markers we are currently at
+ $citeLevel = 0;
+
+ // the main loop, whenever we start a newline of input text
+ // we start from here
+ while ($pos < $length) {
+ // we're at the beginning of a line, get the new cite level
+ $newCiteLevel = 0;
+
+ while (($pos < $length) && ($body{$pos} == '>')) {
+ $newCiteLevel++;
+ $pos++;
+
+ // skip over any spaces interleaved among the cite markers
+ while (($pos < $length) && ($body{$pos} == ' ')) {
+ $pos++;
+ }
+ if ($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 ($outStringLast != "\n") {
+ $outString .= "\n";
+ }
+ sqMakeCite ($outString, $newCiteLevel);
+ $outString .= "\n";
+ $pos++;
+ $outStringCol = 0;
+ continue;
+ }
+
+ // if the cite level has changed, then start a new line
+ // with the new cite level.
+ if (($citeLevel != $newCiteLevel) && ($pos > ($newCiteLevel + 1)) && ($outStringCol != 0)) {
+ sqMakeNewLine ($outString, 0, $outStringCol);
+ }
+
+ $citeLevel = $newCiteLevel;
+
+ // prepend the quote level if necessary
+ if ($outStringCol == 0) {
+ sqMakeCite ($outString, $citeLevel);
+ // if we added a citation then move the column
+ // out by citelevel + 1 (the cite markers + the space)
+ $outStringCol = $citeLevel + ($citeLevel ? 1 : 0);
+ } else if ($outStringCol > $citeLevel) {
+ // not a cite and we're not at the beginning of a line
+ // in the output. add a space to separate the new text
+ // from previous text.
+ $outString .= ' ';
+ $outStringCol++;
+ }
+
+ // find the next newline -- we don't want to go further than that
+ $nextNewline = strpos ($body, "\n", $pos);
+ if ($nextNewline === FALSE) {
+ $nextNewline = $length;
+ }
+
+ // Don't wrap unquoted lines at all. For now the textarea
+ // will work fine for this. Maybe revisit this later though
+ // (for completeness more than anything else, I think)
+ if ($citeLevel == 0) {
+ $outString .= substr ($body, $pos, ($nextNewline - $pos));
+ $outStringCol = $nextNewline - $pos;
+ if ($nextNewline != $length) {
+ sqMakeNewLine ($outString, 0, $outStringCol);
+ }
+ $pos = $nextNewline + 1;
+ continue;
+ }
+
+ // inner loop, (obviously) handles wrapping up to
+ // the next newline
+ while ($pos < $nextNewline) {
+ // skip over initial spaces
+ while (($pos < $nextNewline) && (ctype_space ($body{$pos}))) {
+ $pos++;
+ }
+
+ // if this is a short line then just append it and continue outer loop
+ if (($outStringCol + $nextNewline - $pos) <= ($wrap - $citeLevel - 1)) {
+ // if this is the final line in the input string then include
+ // any trailing newlines
+ if (($nextNewline + 1 == $length) && ($body{$nextNewline} == "\n")) {
+ $nextNewline++;
+ }
+
+ // trim trailing spaces
+ $lastRealChar = $nextNewline;
+ while (($lastRealChar > $pos) && (ctype_space ($body{$lastRealChar}))) {
+ $lastRealChar--;
+ }
+
+ $outString .= substr ($body, $pos, ($lastRealChar - $pos + 1));
+ $outStringCol += ($lastRealChar - $pos);
+ $pos = $nextNewline + 1;
+ continue;
+ }
+
+ $eol = $pos + $wrap - $citeLevel - $outStringCol;
+ // eol is the tentative end of line.
+ // look backwards for there for a whitespace to break at.
+ // if it's already less than our current position then
+ // our current line is already too long, break immediately
+ // and restart outer loop
+ if ($eol <= $pos) {
+ sqMakeNewLine ($outString, $citeLeve, $outStringCol);
+ continue;
+ }
+
+ // start looking backwards for whitespace to break at.
+ $breakPoint = $eol;
+ while (($breakPoint > $pos) && (! ctype_space ($body{$breakPoint}))) {
+ $breakPoint--;
+ }
+
+ // if we didn't find a breakpoint by looking backward then we
+ // need to figure out what to do about that
+ if ($breakPoint == $pos) {
+ // if we are not at the beginning then end this line
+ // and start a new loop
+ if ($outStringCol > ($citeLevel + 1)) {
+ sqMakeNewLine ($outString, $citeLevel, $outStringCol);
+ continue;
+ } else {
+ // just hard break here. most likely we are breaking
+ // a really long URL. could also try searching
+ // forward for a break point, which is what Mozilla
+ // does. don't bother for now.
+ $breakPoint = $eol;
+ }
+ }
+
+ // special case: maybe we should have wrapped last
+ // time. if the first breakpoint here makes the
+ // current line too long and there is already text on
+ // the current line, break and loop again if at
+ // beginning of current line, don't force break
+ $SLOP = 6;
+ if ((($outStringCol + ($breakPoint - $pos)) > ($wrap + $SLOP)) && ($outStringCol > ($citeLevel + 1))) {
+ sqMakeNewLine ($outString, $citeLevel, $outStringCol);
+ continue;
+ }
+
+ // skip newlines or whitespace at the beginning of the string
+ $substring = substr ($body, $pos, ($breakPoint - $pos));
+ $substring = rtrim ($substring); // do rtrim and ctype_space have the same ideas about whitespace?
+ $outString .= $substring;
+ $outStringCol += strlen ($substring);
+ // advance past the whitespace which caused the wrap
+ $pos = $breakPoint;
+ while (($pos < $length) && (ctype_space ($body{$pos}))) {
+ $pos++;
+ }
+ if ($pos < $length) {
+ sqMakeNewLine ($outString, $citeLevel, $outStringCol);
+ }
+ }
+ }
+
+ return $outString;
+}
+
/**
* Wraps text at $wrap characters
*
/**
* Randomizes the mt_rand() function.
*
- * Toss this in strings or integers and it will seed the generator
- * appropriately. With strings, it is better to get them long.
+ * Toss this in strings or integers and it will seed the generator
+ * appropriately. With strings, it is better to get them long.
* Use md5() to lengthen smaller strings.
*
* @param mixed val a value to seed the random number generator
}
- // if not using "compose in new window", make
+ // if not using "compose in new window", make
// regular link and be done with it
if($compose_new_win != '1') {
return makeInternalLink($url, $text, $target);
}
- // build the compose in new window link...
+ // build the compose in new window link...
// if javascript is on, use onClick event to handle it
* version of fwrite which checks for failure
*/
function sq_fwrite($fp, $string) {
- // write to file
- $count = @fwrite($fp,$string);
- // the number of bytes written should be the length of the string
- if($count != strlen($string)) {
- return FALSE;
- }
-
- return $count;
+ // write to file
+ $count = @fwrite($fp,$string);
+ // the number of bytes written should be the length of the string
+ if($count != strlen($string)) {
+ return FALSE;
+ }
+
+ return $count;
}
/**
* <li>HTML_SPECIALCHARS - html special characters table</li>
* </ul>
* @param integer $quote_style quote encoding style. Possible values (without quotes):
- * <ul>
* <li>ENT_COMPAT - (default) encode double quotes</li>
* <li>ENT_NOQUOTES - don't encode double or single quotes</li>
* <li>ENT_QUOTES - encode double and single quotes</li>
- * </ul>
+ * </ul>
* @param string $charset charset used for encoding. default to us-ascii, 'auto' uses $default_charset global value.
* @return array html translation array
*/
// < and >
$sq_html_ent_table = array_merge($sq_html_ent_table,
- array("<" => '<',
- ">" => '>')
- );
+ array("<" => '<',
+ ">" => '>')
+ );
// double quotes
if ($quote_style == ENT_COMPAT)
$sq_html_ent_table = array_merge($sq_html_ent_table,
- array("\"" => '"')
- );
+ array("\"" => '"')
+ );
// double and single quotes
if ($quote_style == ENT_QUOTES)
$sq_html_ent_table = array_merge($sq_html_ent_table,
- array("\"" => '"',
- "'" => ''')
- );
+ array("\"" => '"',
+ "'" => ''')
+ );
if ($charset=='auto') $charset=$default_charset;
*
* @param string $string string that has to be sanitized
* @param integer $quote_style quote encoding style. Possible values (without quotes):
- * <ul>
* <li>ENT_COMPAT - (default) encode double quotes</li>
* <li>ENT_NOQUOTES - don't encode double or single quotes</li>
* <li>ENT_QUOTES - encode double and single quotes</li>
- * </ul>
+ * </ul>
* @param string $charset charset used for encoding. defaults to 'us-ascii', 'auto' uses $default_charset global value.
* @return string sanitized string
*/
projects / squirrelmail.git / commitdiff