kdeui/kstringvalidator.cpp

   1 /*
   2     kstringvalidator.cpp
   3
   4     Copyright (c) 2001 Marc Mutz <mutz@kde.org>
   5
   6     This library is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU Library General Public
   8     License as published by the Free Software Foundation; version 2.0
   9     of the License.
  10
  11     This library is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14     Library General Public License for more details.
  15
  16     You should have received a copy of the GNU Library General Public
  17     License along with this library; if not, write to the Free
  18     Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston, MA
  19     02110-1301 USA
  20 */
  21
  22 #include "kstringvalidator.h"
  23 #include "kdebug.h"
  24
  25 //
  26 // KStringListValidator
  27 //
  28
  29 QValidator::State KStringListValidator::validate( QString & input, int& ) const {
  30   if ( input.isEmpty() ) return Intermediate;
  31
  32   if ( isRejecting() ) // anything not in mStringList is acceptable:
  33     if ( mStringList.find( input ) == mStringList.end() )
  34       return Acceptable;
  35     else
  36       return Intermediate;
  37   else // only what is in mStringList is acceptable:
  38     if ( mStringList.find( input ) != mStringList.end() )
  39       return Acceptable;
  40     else
  41       for ( QStringList::ConstIterator it = mStringList.begin() ;
  42             it != mStringList.end() ; ++it )
  43         if ( (*it).startsWith( input ) || input.startsWith( *it ) )
  44           return Intermediate;
  45
  46   return Invalid;
  47 }
  48
  49 void KStringListValidator::fixup( QString & /* input */ ) const {
  50   if ( !isFixupEnabled() ) return;
  51   // warn (but only once!) about non-implemented fixup():
  52   static bool warn = true;
  53   if ( warn ) {
  54     kdDebug() << "KStringListValidator::fixup() isn't yet implemented!"
  55               << endl;
  56     warn = false;
  57   }
  58 }
  59
  60 //
  61 // KMimeTypeValidator
  62 //
  63
  64 #define ALLOWED_CHARS "!#-'*+.0-9^-~+-"
  65
  66 QValidator::State KMimeTypeValidator::validate( QString & input, int& ) const
  67 {
  68   if ( input.isEmpty() )
  69     return Intermediate;
  70
  71   QRegExp acceptable( "[" ALLOWED_CHARS "]+/[" ALLOWED_CHARS "]+",
  72                       false /*case-insens.*/);
  73   if ( acceptable.exactMatch( input ) )
  74     return Acceptable;
  75
  76   QRegExp intermediate( "[" ALLOWED_CHARS "]*/?[" ALLOWED_CHARS "]*",
  77                         false /*case-insensitive*/);
  78   if ( intermediate.exactMatch( input ) )
  79     return Intermediate;
  80
  81   return Invalid;
  82 }
  83
  84 void KMimeTypeValidator::fixup( QString & input ) const
  85 {
  86   QRegExp invalidChars("[^/" ALLOWED_CHARS "]+");
  87   input.replace( invalidChars, QString::null);
  88 }
  89
  90 #include "kstringvalidator.moc"