Added KDE3 version of Tellico

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/tellico@1097620 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 148 insertions, 0 deletions

diff --git a/src/isbnvalidator.h b/src/isbnvalidator.h
new file mode 100644
index 0000000..763f7ff
--- /dev/null
+++ b/src/isbnvalidator.h
@@ -0,0 +1,148 @@
+/***************************************************************************
+    copyright            : (C) 2002-2006 by Robby Stephenson
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of version 2 of the GNU General Public License as  *
+ *   published by the Free Software Foundation;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef ISBNVALIDATOR_H
+#define ISBNVALIDATOR_H
+
+#include <qvalidator.h>
+
+namespace Tellico {
+
+/**
+ * @author Robby Stephenson
+ *
+ * @see http://www.isbn.org/standards/home/isbn/international/hyphenation-instructions.asp
+ * @see http://www.eblong.com/zarf/bookscan/
+ * @see http://doc.trolltech.com/qq/qq01-seriously-weird-qregexp.html
+ */
+class ISBNValidator : public QValidator {
+public:
+  ISBNValidator(QObject* parent, const char* name=0);
+
+  /**
+   * Certain conditions are checked. Character, length and position
+   * restrictions are checked. Certain cases where the user is deleting
+   * characters are caught and compensated for. The string is then passed to
+   * @ref fixup. Finally, the text is @ref Valid if it is a certain length and
+   * @ref Intermediate if not.
+   *
+   * @param input The text to validate
+   * @param pos The position of the cursor
+   * @return The condition of the text
+   */
+  virtual QValidator::State validate(QString& input, int& pos) const;
+
+  /**
+   * The input string is examined. Hyphens are inserted appropriately,
+   * and the checksum is calculated.
+   *
+   * For correct presentation, the 10 digits of an ISBN must
+   * be divided, by hyphens, into four parts:
+   * @li Part 1: The country or group of countries identifier
+   * @li Part 2: The publisher identifier
+   * @li Part 3: The title identifier
+   * @li Part 4: The check digit
+   * For details
+   * @see http://www.isbn.org/standards/home/isbn/international/hyphenation-instructions.asp
+   * For info on group codes
+   * @see http://www.isbn.spk-berlin.de/html/prefix/allpref.htm
+   * For info on French language publisher codes
+   * @see http://www.afnil.org
+   * <pre>
+   *  Group Identifiers    First Hyphen After
+   *  -----------------------------------------
+   *  0........7              1st digit
+   *  80.......94             2nd   "
+   *  950......993            3rd   "
+   *  9940.....9989           4th   "
+   *  99900....99999          5th   "
+   *
+   *  Group                   Insert Hyphens
+   *  Identifier "0"            After
+   *  -----------------------------------------
+   *  00.......19          1st  3rd  9th digit
+   *  200......699          "   4th       "
+   *  7000.....8499         "   5th       "
+   *  85000....89999        "   6th       "
+   *  900000...949999       "   7th       "
+   *  9500000..9999999      "   8th       "
+   *
+   *
+   *  Group                  Insert Hyphens
+   *  Identifier "1"           After
+   *  ----------------------------------------
+   *  0........54999           illegal
+   *  55000....86979      1st  6th  9th digit
+   *  869800...998999      "   7th       "
+   *  9990000..9999999     "   8th       "
+   *
+   *
+   *  Group                   Insert Hyphens
+   *  Identifier "2"            After
+   *  -----------------------------------------
+   *  00.......19          1st  3rd  9th digit
+   *  200......349          "   4th       "
+   *  34000....39999        "   6th       "
+   *  400......699          "   4th       "
+   *  7000.....8399         "   5th       "
+   *  84000....89999        "   6th       "
+   *  900000...949999       "   7th       "
+   *  9500000..9999999      "   8th       "
+   *
+   *  The position of the hyphens are determined by the publisher
+   *  prefix range established by each national agency in accordance
+   *  with the industry needs. The knowledge of the prefix ranges for
+   *  each country or group of countries is necessary to develop the
+   *  hyphenation output program. For groups 3 through 99999, the hyphenation
+   *  rules are currently unknown. So just leave out the hyphen between
+   *  the publisher and title for now, but allow it if the user inserts it.
+   * </pre>
+   *
+   * @param input The raw string, hyphens included
+   */
+  virtual void fixup(QString& input) const;
+  static void staticFixup(QString& input);
+
+  static QString isbn10(QString isbn13);
+  static QString isbn13(QString isbn10);
+  static QString cleanValue(QString isbn);
+
+private:
+  static struct isbn_band {
+    unsigned long MaxValue;
+    unsigned int First;
+    unsigned int Mid;
+    unsigned int Last;
+  } bands[];
+
+  QValidator::State validate10(QString& input, int& pos) const;
+  QValidator::State validate13(QString& input, int& pos) const;
+
+  static void fixup10(QString& input);
+  static void fixup13(QString& input);
+
+  /**
+   * This function calculates and returns the ISBN checksum. The
+   * algorithm is based on some code by Andrew Plotkin, available at
+   * http://www.eblong.com/zarf/bookscan/
+   *
+   * @see http://www.eblong.com/zarf/bookscan/
+   *
+   * @param input The raw string, with no hyphens
+   */
+  static QChar checkSum10(const QString& input);
+  static QChar checkSum13(const QString& input);
+};
+
+} // end namespace
+#endif