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improve the parsing of the raw data _advanceOverStr

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This commit is contained in:
Klaus Leithoff 2009-11-19 13:00:59 +00:00
parent cf32f68858
commit 684650da2b
1 changed files with 7 additions and 4 deletions
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11
egw-pear/Net/IMAPProtocol.php
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@ -2307,7 +2307,7 @@ class Net_IMAPProtocol {
// If inside of a string, skip string -- Boundary IDs and other
// things can have ) in them.
if ( $str_line[$pos] != $startDelim ) {
$this->_prot_error("_getClosingParenthesisPos: must start with a '(' but is a '". $str_line[$pos] ."'!!!!\n" .
$this->_prot_error("_getClosingParenthesisPos: must start with a '".$startDelim."' but is a '". $str_line[$pos] ."'!!!!\n" .
"STR_LINE:$str_line|size:$len|POS: $pos\n" , __LINE__ , __FILE__ );
return( $len );
}
@ -2349,6 +2349,7 @@ class Net_IMAPProtocol {
*/
function _advanceOverStr($str,&$pos,$len,$startDelim ='(', $stopDelim = ')' )
{
$startingpos = $pos;
if ($str[$pos] !== '"') return false; // start condition failed
$pos++;
@ -2362,11 +2363,13 @@ class Net_IMAPProtocol {
if ($str[$pos] === $startDelim) $delimCount++;
if ($str[$pos] === $stopDelim) $delimCount--;
if ($str[$pos] === $stopDelim && ($str[$pos+1] === $startDelim || ($str[$pos+1] === $stopDelim && $delimCount<=0))) {
$numOfQuotes = substr_count($str,'"');
$numOfMaskedQuotes = substr_count($str,'\"');
$numOfQuotes = substr_count($str,'"',$startingpos);
$numOfMaskedQuotes = substr_count($str,'\"',$startingpos);
if ((($numOfQuotes - $numOfMaskedQuotes) % 2 ) == 0) {
// quotes are balanced, so its unlikely that we meet a stop condition here as strings may contain )(
error_log(__METHOD__. "->Length: $len; NumOfQuotes: $numOfQuotes - NumofMaskedQuotes:$numOfMaskedQuotes #".$str."\n");
//error_log(__METHOD__. "->Length: $len; NumOfQuotes: $numOfQuotes - NumofMaskedQuotes:$numOfMaskedQuotes #".$str."\n");
error_log(__METHOD__." problem at $pos with:".$str[$pos]."(last character) Numberof delimiters ('".$startDelim."','".$stopDelim."') found:".$delimCount.' String:'.substr($str,$startingpos,$pos).' called from:'.function_backtrace());
//return false;
} else {
$pos--; // stopDelimited need to be parsed outside!
return false;