From 460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 indexlib/leafdatavector.cpp | 108 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 indexlib/leafdatavector.cpp

(limited to 'indexlib/leafdatavector.cpp')

diff --git a/indexlib/leafdatavector.cpp b/indexlib/leafdatavector.cpp
new file mode 100644
index 000000000..56a3986c0
--- /dev/null
+++ b/indexlib/leafdatavector.cpp
@@ -0,0 +1,108 @@
+
+/* This file is part of indexlib.
+ * Copyright (C) 2005 Luís Pedro Coelho <luis@luispedro.org>
+ *
+ * Indexlib is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation and available as file
+ * GPL_V2 which is distributed along with indexlib.
+ * 
+ * Indexlib is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA
+ * 
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of this program with any edition of
+ * the Qt library by Trolltech AS, Norway (or with modified versions
+ * of Qt that use the same license as Qt), and distribute linked
+ * combinations including the two.  You must obey the GNU General
+ * Public License in all respects for all of the code used other than
+ * Qt.  If you modify this file, you may extend this exception to
+ * your version of the file, but you are not obligated to do so.  If
+ * you do not wish to do so, delete this exception statement from
+ * your version.
+ */
+
+#include "leafdatavector.h"
+#include "mmap_manager.h"
+#include "compressed.h"
+#include "logfile.h"
+#include "path.h"
+
+#include "format.h"
+#include <unistd.h>
+
+#ifdef USE_ZLIB_COMPRESSION
+typedef compressed_file leafdatavector_manager;
+#else
+typedef mmap_manager leafdatavector_manager;
+#endif
+
+leafdatavector::leafdatavector( std::string name ):
+	leafs_( std::auto_ptr<memory_manager>( new leafdatavector_manager( path_concat( name, "leafs" ) ) ) ),
+	table_( path_concat( name, "table" ) )
+{
+}
+
+void leafdatavector::remove( std::string name ) {
+	leafdatavector_manager::remove( path_concat( name, "leafs" ) );
+	memvector<leaf_dataptr>::remove( path_concat( name, "table" ) );
+}
+
+void leafdatavector::add( unsigned idx, unsigned what ) {
+	//logfile() << format( "leafdatavector::add( %s, %s )\n" ) % idx % what;
+	table_.resize( idx + 1 );
+	int32_t now = table_[ idx ];
+	if ( !now ) {
+		++what;
+		table_[ idx ] = -int( what );
+	} else if ( now < 0 ) {
+		leafdataptr just = leafs_.allocate( leaf_data_pool_traits::min_size() );
+		leafdata::construct( just.raw_pointer() );
+		table_[ idx ] = just.cast_to_uint32();
+		just->add_reference( -now - 1 );
+		assert( just->can_add( what ) );
+		just->add_reference( what );
+	} else {
+		leafdataptr just = leafdataptr::cast_from_uint32( now );
+		if ( !just->can_add( what ) ) {
+			just = leafs_.reallocate( just, just->next_byte_size() );
+			just->grow();
+			table_[ idx ] = just.cast_to_uint32();
+		}
+		just->add_reference( what );
+	}
+}
+
+void leafdatavector::remove_references_to( unsigned ref ) {
+	//logfile() << format( "%s( %s )\n" ) % __PRETTY_FUNCTION__ % ref;
+	for ( unsigned idx = 0; idx != table_.size(); ++idx ) {
+		int32_t now = table_[ idx ];
+		if ( now == -int( ref ) ) table_[ idx ] = 0;
+		else if ( now > 0 ) leafdataptr::cast_from_uint32( now )->remove_reference( ref );
+	}
+}
+
+std::vector<unsigned> leafdatavector::get( unsigned idx ) const {
+	if ( idx >= table_.size() ) return std::vector<unsigned>();
+	int32_t now = table_[ idx ];
+	if ( now < 0 ) {
+		std::vector<unsigned> res;
+		res.push_back( -now - 1 );
+		return res;
+	} else if ( now > 0 ) {
+		logfile() << format( "%s( %s ) in %s\n" ) % __PRETTY_FUNCTION__ % idx % now;
+		leafdataptr just = leafdataptr::cast_from_uint32( now );
+		return std::vector<unsigned>( just->begin(), just->end() );
+	} else {
+		return std::vector<unsigned>();
+	}
+}
+
+
-- 
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