fix: epwing case sensitive (#1093)

* fix: epwing folder name is casesensitive in Linux

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/dict/epwing.cc

@@ -1187,13 +1187,8 @@ vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & f
         QFileInfo info( fontSubName );
         if ( info.exists() && info.isFile() )
           dictFiles.push_back( fontSubName.toStdString() );
-        else {
-          //to make the subbook in different index.
-          auto virtual_file = QString::fromStdString( mainDirectory ) + QDir::separator() + QString::number( sb );
-          dictFiles.push_back( virtual_file.toStdString() );
-        }
 
-        // Check if we need to rebuid the index
+        // Check if we need to rebuild the index
 
         string dictId = Dictionary::makeDictionaryId( dictFiles );
 
@@ -1208,7 +1203,7 @@ vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & f
 
           File::Class idx( indexFile, "wb" );
 
-          IdxHeader idxHeader;
+          IdxHeader idxHeader{};
 
           memset( &idxHeader, 0, sizeof( idxHeader ) );
 

src/dict/epwing_book.cc

@@ -596,7 +596,36 @@ QString EpwingBook::getCurrentSubBookDirectory()
     throw exEbLibrary( error_string.toUtf8().data() );
   }
 
-  return QString::fromLocal8Bit( buffer );
+  QString subDir = QString::fromLocal8Bit( buffer );
+
+  return repairSubBookDirectory( subDir );
+}
+
+QString EpwingBook::repairSubBookDirectory( QString subBookDir )
+{
+  char path[ EB_MAX_PATH_LENGTH + 1 ];
+  EB_Error_Code error_code = eb_path( &book, path );
+  if ( error_code != EB_SUCCESS )
+    return subBookDir;
+
+  const QString & mainDirectory = QString::fromLocal8Bit( path );
+  QDir mainDir( mainDirectory );
+  QStringList allIdxFiles = mainDir.entryList( QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks );
+
+  if ( allIdxFiles.contains( subBookDir ) ) {
+    return subBookDir;
+  }
+
+  qDebug() << "Epwing: can not found subbook directory,try to fix automatically, dir=>" << subBookDir;
+
+  for ( const auto & file : allIdxFiles ) {
+    if ( file.compare( subBookDir, Qt::CaseInsensitive ) == 0 ) {
+      qDebug() << "Epwing: found " << file;
+      return file;
+    }
+  }
+  //return original subbook directory
+  return subBookDir;
 }
 
 QString EpwingBook::makeFName( QString const & ext, int page, int offset ) const

src/dict/epwing_book.hh

@@ -239,6 +239,7 @@ public:
   bool getMatches( QString word, QVector< QString > & matches );
 
   bool getArticlePos( QString word, QVector< int > & pages, QVector< int > & offsets );
+  QString repairSubBookDirectory( QString subBookDir );
 };
 
 struct EContainer