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clean fields on demand from cntl chars

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This commit is contained in:
Cornelius Weiß 2007-06-25 20:47:38 +00:00
parent aa15c34580
commit e7743cb87c
1 changed files with 20 additions and 5 deletions
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25
importexport/inc/class.import_export_helper_functions.inc.php
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@ -174,14 +174,15 @@ class import_export_helper_functions {
*/
public static function conversion( $_record, $_conversion, &$_cclass = null ) {
if (empty( $_conversion ) ) return $_record;
$values = $_record;
$PSep = '||'; // Pattern-Separator, separats the pattern-replacement-pairs in conversion
$ASep = '|>'; // Assignment-Separator, separats pattern and replacesment
$CPre = '|['; $CPos = ']'; // |[_record-idx] is expanded to the corespondig value
$TPre = '|T{'; $TPos = '}'; // |{_record-idx} is trimmed
$CntlPre = '|TC{'; // Filter all cntl-chars \x01-\x1f and trim
$CntlnCLPre = '|TCnCL{'; // Like |C{ but allowes CR and LF
foreach ( $_conversion as $idx => $conversion_string ) {
if ( empty( $conversion_string ) ) continue;
// fetch patterns ($rvalues)
@ -194,7 +195,7 @@ class import_export_helper_functions {
$rvalues[$pattern] = $replace; // replace two with only one, added by the form
}
// conversion list may be longer than $_record (no_csv)
// conversion list may be longer than $_record aka (no_csv)
$val = array_key_exists( $idx, $_record ) ? $_record[$idx] : '';
foreach ( $rvalues as $pattern => $replace ) {
@ -215,9 +216,12 @@ class import_export_helper_functions {
$val = preg_replace_callback( "/(cat|account|strtotime)\(([^)]+)\)/i", array( self, 'c2_dispatcher') , $val );
}
}
$values[$idx] = $val;
// clean each field
$val = preg_replace_callback("/(\|T\{|\|TC\{|\|TCnCL\{)(.*)\}/", array( self, 'strclean'), $val );
$_record[$idx] = $val;
}
return $values;
return $_record;
} // end of member function conversion
/**
@ -241,6 +245,17 @@ class import_export_helper_functions {
}
}
private static function strclean( $_matches ) {
//print_r($_matches);
switch( $_matches[1] ) {
case '|T{' : return trim( $_matches[2] );
case '|TC{' : return trim( preg_replace( '/[\x01-\x1F]+/', '', $_matches[2] ) );
case '|TCnCL{' : return trim( preg_replace( '/[\x01-\x09\x11\x12\x14-\x1F]+/', '', $_matches[2] ) );
default:
throw new Exception('Error in conversion string! "'. substr( $_matches[1], 0, -1 ). '" is not valid!');
}
}
/**
* returns a list of importexport plugins
*