1 files changed, 133 insertions, 0 deletions
diff --git a/src/upcvalidator.cpp b/src/upcvalidator.cpp
new file mode 100644
index 0000000..2d5b7a2
--- /dev/null
+++ b/src/upcvalidator.cpp
@@ -0,0 +1,133 @@
+/***************************************************************************
+    copyright            : (C) 2005-2006 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;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "upcvalidator.h"
+#include "isbnvalidator.h"
+
+#include <kmdcodec.h>
+
+using Tellico::UPCValidator;
+
+UPCValidator::UPCValidator(QObject* parent_, const char* name_/*=0*/)
+    : QValidator(parent_, name_), m_checkISBN(false) {
+}
+
+QValidator::State UPCValidator::validate(QString& input_, int& pos_) const {
+  // check if it's a cuecat first
+  State catState = decodeCat(input_);
+  if(catState == Acceptable) {
+    pos_ = input_.length();
+    return catState;
+  }
+
+  // no spaces allowed
+  if(input_.contains(' ')) {
+    return QValidator::Invalid;
+  }
+
+  // no real checking, just if starts with 978, use isbnvalidator
+  const uint len = input_.length();
+  if(len < 10) {
+    m_isbn = false;
+  }
+
+  if(!m_checkISBN || (!m_isbn && len < 13)) {
+    return QValidator::Intermediate;
+  }
+
+  // once it gets converted to an ISBN, remember that, and use it for later
+  if(input_.startsWith(QString::fromLatin1("978")) || input_.startsWith(QString::fromLatin1("979"))) {
+    ISBNValidator val(0);
+    QValidator::State s = val.validate(input_, pos_);
+    if(s == QValidator::Acceptable) {
+      m_isbn = true;
+      // bad hack
+      UPCValidator* that = const_cast<UPCValidator*>(this);
+      that->signalISBN();
+    }
+    return s;
+  }
+
+  return QValidator::Intermediate;
+}
+
+void UPCValidator::fixup(QString& input_) const {
+  if(input_.isEmpty()) {
+    return;
+  }
+  input_ = input_.stripWhiteSpace();
+
+  int pos = input_.find(' ');
+  if(pos > -1) {
+    input_ = input_.left(pos);
+  }
+
+  if(!m_checkISBN) {
+    return;
+  }
+
+  const uint len = input_.length();
+  if(len > 12 && (input_.startsWith(QString::fromLatin1("978")) || input_.startsWith(QString::fromLatin1("979")))) {
+    QString s = input_;
+    ISBNValidator val(0);
+    int p = 0;
+    int state = val.validate(s, p);
+    if(state == QValidator::Acceptable) {
+      // bad hack
+      UPCValidator* that = const_cast<UPCValidator*>(this);
+      that->signalISBN();
+      input_ = s;
+    }
+  }
+}
+
+QValidator::State UPCValidator::decodeCat(QString& input_) const {
+  if(input_.length() < 3) {
+    return Intermediate;
+  }
+ if(!input_.startsWith(QString::fromLatin1(".C3"))) { // all cuecat codes start with .C3
+    return Invalid;
+  }
+  const int periods = input_.contains('.');
+  if(periods < 4) {
+    return Intermediate; // not enough yet
+  } else if(periods > 4) {
+    return Invalid;
+  }
+
+  // ok, let's have a go, take the third token
+  QString code = QStringList::split('.', input_)[2];
+  while(code.length() % 4 > 0) {
+    code += '=';
+  }
+
+  for(uint i = 0; i < code.length(); ++i) {
+    if(code[i] >= 'A' && code[i] <= 'Z') {
+      code.replace(i, 1, code[i].lower());
+    } else if(code[i] >= 'a' && code[i] <= 'z') {
+      code.replace(i, 1, code[i].upper());
+    }
+  }
+
+  code = QString::fromLatin1(KCodecs::base64Decode(code.latin1()));
+
+  for(uint i = 0; i < code.length(); ++i) {
+    char c = code[i].latin1() ^ 'C';
+    code.replace(i, 1, c);
+  }
+
+  input_ = code;
+  return Acceptable;
+}
+
+#include "upcvalidator.moc"