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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#ifndef __INDEXEDZIP_HH_INCLUDED__
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#define __INDEXEDZIP_HH_INCLUDED__
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#include "btreeidx.hh"
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#include <QFile>
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#include "zipfile.hh"
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/// Allows using a btree index to read zip files. Basically built on top of
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/// the base dictionary infrastructure adapted for zips.
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class IndexedZip: public BtreeIndexing::BtreeIndex
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{
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ZipFile::SplitZipFile zip;
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bool zipIsOpen;
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public:
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IndexedZip():
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zipIsOpen( false )
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{
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}
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/// Opens the index. The values are those previously returned by buildIndex().
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using BtreeIndexing::BtreeIndex::openIndex;
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/// Opens the zip file itself. Returns true if succeeded, false otherwise.
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bool openZipFile( QString const & );
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/// Returns true if the zip is open, false otherwise.
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bool isOpen() const
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{
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return zipIsOpen;
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}
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/// Checks whether the given file exists in the zip file or not.
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/// Note that this function is thread-safe, since it does not access zip file.
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bool hasFile( gd::wstring const & name );
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/// Attempts loading the given file into the given vector. Returns true on
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/// success, false otherwise.
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bool loadFile( gd::wstring const & name, std::vector< char > & );
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bool loadFile( uint32_t offset, std::vector< char > & );
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/// Index compressed files in zip file
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bool indexFile( BtreeIndexing::IndexedWords & zipFileNames, quint32 * filesCount = 0 );
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};
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#endif
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