/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org> * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */ #ifndef __INDEXEDZIP_HH_INCLUDED__ #define __INDEXEDZIP_HH_INCLUDED__ #include "btreeidx.hh" #include <QFile> /// Allows using a btree index to read zip files. Basically built on top of /// the base dictionary infrastructure adapted for zips. class IndexedZip: public BtreeIndexing::BtreeIndex { QFile zip; bool zipIsOpen; public: IndexedZip(): zipIsOpen( false ) {} /// Opens the index. The values are those previously returned by buildIndex(). using BtreeIndexing::BtreeIndex::openIndex; /// Opens the zip file itself. Returns true if succeeded, false otherwise. bool openZipFile( QString const & ); /// Returns true if the zip is open, false otherwise. bool isOpen() const { return zipIsOpen; } /// Checks whether the given file exists in the zip file or not. /// Note that this function is thread-safe, since it does not access zip file. bool hasFile( gd::wstring const & name ); /// Attempts loading the given file into the given vector. Returns true on /// success, false otherwise. bool loadFile( gd::wstring const & name, std::vector< char > & ); bool loadFile( uint32_t offset, std::vector< char > & ); /// Index compressed files in zip file bool indexFile( BtreeIndexing::IndexedWords &zipFileNames ); }; #endif