imgtools/buildrom/tools/featuresdat.pm
author marvin shi <marvin.shi@nokia.com>
Wed, 17 Nov 2010 16:47:32 +0800
changeset 695 46ca13b54f56
parent 0 044383f39525
permissions -rw-r--r--
features: bsym for rofsbuild and log input support for rombuild
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#
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# Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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# All rights reserved.
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# This component and the accompanying materials are made available
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# under the terms of the License "Eclipse Public License v1.0"
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# which accompanies this distribution, and is available
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# at the URL "http://www.eclipse.org/legal/epl-v10.html".
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#
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# Initial Contributors:
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# Nokia Corporation - initial contribution.
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#
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# Contributors:
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#
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# Description: 
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#
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# This package contains routines to create features data file.
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use featurefile;
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package featuresdat;
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BEGIN
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{
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	@ISA = qw (featurefile);	# Declare this a child of featurefile class
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}       
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use featureparser;
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use strict;
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# Class constructor
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sub new
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{
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	my ($class,$xmlDBHandle) = @_;
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	my $object = $class->SUPER::new($xmlDBHandle); # Invoke base class new function
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	$object->{_FEATURELIST} = undef;
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	$object->{_FEATUREHASHMAP} = undef;	
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	$object->{_FILEVERSION} = 0x0001;
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	return $object;
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}
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# Subroutine to create feature map
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# @param $object					- Object reference which is passed implicitly
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sub createFeatureMap
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{	
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	my $object = shift;		
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	foreach my $fidMain (@{$object->{_FEATURELIST}}) 
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	{
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		my $fid = $fidMain->{uid};
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		# Check whether the feature is present in feature list XMl file or not.
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		# If not, then generate an error message and discard this feature.
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		if (!$object->isPresentInFeatureListXML($fidMain)) 
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		{
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			next;
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		}
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		# "0th" bit of the Status Flag is set depending on whether the feature is included by using "FEATURE" keyword or 
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		# excluded using "EXCLUDE_FEATURE" keyword (i.e. "0th" bit will be set as '1' if the feature is included or else will
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		# be set as '0' if feature is excluded).
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		if ($fidMain->{include} == 1)
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		{
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			$fidMain->{SF} |= 1;
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		}
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		elsif ($fidMain->{exclude} == 1)
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		{
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			$fidMain->{SF} &= 0xFFFFFFFE;
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		}
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		$object->{_FEATUREHASHMAP}->{$fid} = { SF=>$fidMain->{SF}, UD=>$fidMain->{UD} };
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	}	
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}
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# Subroutine to write the feature entries in the features data file.
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# @param $object					- Object reference which is passed implicitly
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sub writeFeatures
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{
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	my $object = shift;
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	foreach my $featureId (sort {$a <=> $b} (keys %{$object->{_FEATUREHASHMAP}}))
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	{
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		$object->write2File($featureId);
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		$object->write2File($object->{_FEATUREHASHMAP}->{$featureId}->{SF});			
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		$object->write2File($object->{_FEATUREHASHMAP}->{$featureId}->{UD});
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	}
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}
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# Subroutine to set the count of Default Support Range(D.S.R)
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# @param $object					- Object reference which is passed implicitly
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sub setDefaultRangeCount
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{
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	my $object = shift;
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	# Set the Default Range Count only for core image feature database file.
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	if ($object->{_FEATUREFILENAME} =~ /features.dat$/i ) 
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	{
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		$object->{_DEFAULTRANGECOUNT} = ($object->{_XMLDBHANDLE})->defaultIncludeCount();
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	}
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	else
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	{
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		$object->{_DEFAULTRANGECOUNT} = 0;
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	}
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}
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1;