File flacon-0.9.1-qt_version_check.patch of Package flacon

File flacon-0.9.1-qt_version_check.patch of Package flacon (Revision f55acfd9ef52253b0a8a8fdf8c275c3f)

Currently displaying revision f55acfd9ef52253b0a8a8fdf8c275c3f , Show latest

Index: flacon-0.9.1/tagset.cpp
===================================================================
--- flacon-0.9.1.orig/tagset.cpp
+++ flacon-0.9.1/tagset.cpp
@@ -105,11 +105,35 @@ QString TagSetData::decode(const Tag &ta
     return mTextCodec->toUnicode(tag.value.toAscii());
 }
 
-
-
 /************************************************
 
  ************************************************/
+#if (QT_VERSION < QT_VERSION_CHECK(4, 8, 0))
+
+template<class T>
+unsigned int levenshteinDistance(const T &s1, const T & s2)
+{
+    const size_t len1 = s1.size(), len2 = s2.size();
+    QVector<unsigned int> col(len2+1), prevCol(len2+1);
+    QVector<unsigned int> &c = col;
+    QVector<unsigned int> &p = prevCol;
+
+    for (int i = 0; i < p.size(); i++)
+        p[i] = i;
+
+    for (unsigned int i = 0; i < len1; i++)
+    {
+        c[0] = i+1;
+        for (unsigned int j = 0; j < len2; j++)
+            c[j+1] = qMin( qMin( 1 + c[j], 1 + p[1 + j]),
+                            p[j] + (s1[i]==s2[j] ? 0 : 1) );
+
+        p = col;
+        c = prevCol;
+    }
+    return p[len2];
+}
+#else
 template<class T>
 unsigned int levenshteinDistance(const T &s1, const T & s2)
 {
@@ -129,7 +153,7 @@ unsigned int levenshteinDistance(const T
     }
     return prevCol[len2];
 }
-
+#endif
 
 
 /************************************************
@@ -307,12 +331,10 @@ int TagSet::distance(const TagSet *other
     int res = 0;
     QString str1 = this->diskTag(TAG_PERFORMER).toUpper().replace("THE ", "");
     QString str2 = other->diskTag(TAG_PERFORMER).toUpper().replace("THE ", "");
-
     res += levenshteinDistance(str1, str2) * 3;
 
     str1 = this->diskTag(TAG_ALBUM).toUpper().replace("THE ", "");
     str2 = other->diskTag(TAG_ALBUM).toUpper().replace("THE ", "");
-
     res += levenshteinDistance(str1, str2);
 
     return res;