diff -r 000000000000 -r 044383f39525 imgtools/buildrom/tools/featuremanager.pm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/buildrom/tools/featuremanager.pm	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,852 @@
+#
+# Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Nokia Corporation - initial contribution.
+#
+# Contributors:
+#
+# Description: 
+#
+
+# This package contains routines to read the information from the Feature manager XML file.
+package featuremanager; # Derived class for the feature manager xml parser
+
+BEGIN {
+	@ISA = qw(featureparser); # Derived from featuerParser
+	require featureparser;
+};
+
+use constant STRICTCASE=>1; # To suppress the case conversion in genericparser routine
+
+# Parse the featuredatabase XML file and generate the maps and counts
+#
+#featureset:
+# {namespace}<namespace> - optional
+# {ibyname}<ibyname> - optional
+# {hfilename}<hfilename> - optional
+# {hfileheader}<fileheader> - optional
+# {interfacestatus}<interfacestatus> -optional
+# {interfacevisibility}<interfacevisibility> - optional
+# {feature_list}<nameuidmap>
+# {feature} {<uid1>}{statusflags}<statusflag>
+#					{name}<name>
+#					{userdata}<userdata> - optional
+#					{includemacro}<macro>
+#					{excludemacro}<macro>
+#					{infeaturesetiby}<yes/no> - optional
+#					{comment}<comment> - optional
+#			{<uid2>}{statusflags}<statusflag>
+#					{name}<name>
+#					{userdata}<userdata> - optional
+#					{includemacro}<macro>
+#					{excludemacro}<macro>
+#					{infeaturesetiby}<yes/no> - optional
+#					{comment}<comment>
+#
+
+#
+# Class constructor
+#
+sub new
+{
+	my $class = shift;
+	my $object = $class->SUPER::new();
+	
+	# Class members
+	$object->{_OBJNAME} = "FeatureManager"; # Name of the object
+	$object->{_FEAT_SET_LIST} = [];  # Array of <featureset> hash maps
+	$object->{_FEAT_LIST} = {};      # Hash map of all feature name with uid
+	$object->{_ALIAS_FEAT_LIST} = {}; # Hash map of all alias feature name with uid
+	return $object;
+}
+
+#
+# Private methods
+#
+
+# Private method to Get/Set the _FEAT_SET_LIST member value of this class
+# @param : reference to the array of <featureset> hash maps (optional for GET)
+#
+my $featuresetList = sub 
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"featuresetList"));
+	
+	if (@_) 
+	{ 
+		$object->{_FEAT_SET_LIST} = shift; 
+	}
+	return $object->{_FEAT_SET_LIST};
+};
+
+# Private method to Get/Set the _FEAT_LIST member value of this class
+# @param : reference to the fash map of feature name with uid (optional for GET)
+#
+my $featureList = sub 
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"featureList"));
+	
+	if (@_) 
+	{ 
+		$object->{_FEAT_LIST} = shift; 
+	}
+	return $object->{_FEAT_LIST};
+};
+# Private method ot Get/Set the _ALIAS_FEAT_LIST member value of this class
+# @param: reference to the hash map of alias feature name with uid
+my $aliasfeatureList = sub
+{
+	my $object = shift;
+	return 0 if(!&featureparser::ISREF($object, "aliasfeatureList"));
+
+	if(@_)
+	{
+		$object->{_ALIAS_FEAT_LIST} = shift;
+	}
+	return $object->{_ALIAS_FEAT_LIST};
+};
+
+# Read the attributes of <featureset> element
+# @param : reference to the featureset
+# @param : reference to the attributemap
+#
+my $fillFeatureSetAttributes = sub 
+{
+	my  $node = shift;
+	my  $map = shift;
+	$map->{ibyname} = &featureparser::getattrValue($node, "ibyname", STRICTCASE);
+	$map->{hfilename} = &featureparser::getattrValue($node, "hfilename", STRICTCASE);
+	$map->{namespace} = &featureparser::getattrValue($node, "namespace", STRICTCASE);
+};
+
+# Read the attributes of <hfileheader> element
+# @param : reference to the featureset
+# @param : reference to the attributemap
+#
+my $fillFileHeaderAttributes = sub 
+{
+	my $node = shift;
+	my $map = shift;
+	my @attribSet =  &featureparser::getnodefromTree($node, "hfileheader");
+	
+	foreach my $att_node (@attribSet) 
+	{
+		$map->{interfacestatus} = &featureparser::getattrValue($att_node, "interfacestatus",STRICTCASE);
+		$map->{interfacevisibility} = &featureparser::getattrValue($att_node, "interfacevisibility",STRICTCASE);
+		$map->{hfileheader} = &featureparser::getelementValue($att_node,STRICTCASE);
+	}
+};
+
+# Read the attributes of <feature> element
+# @param : reference to the featureset
+# @param : reference to the attributemap
+#
+my $fillFeatureAttributes = sub 
+{
+	my $node = shift; my $map = shift;
+	
+	my @attribSet =  &featureparser::getnodefromTree($node, "feature");
+	
+	my %nameUidMap = ();
+	foreach my $att_node (@attribSet)
+	{
+		my ($uid_value, $feat_name, $attval);
+		my (@macroSet, @commentSet);
+		my %featureHash = ();
+		
+		#Read the feature name and its other attributes
+		$feat_name = &featureparser::getattrValue($att_node, "name",STRICTCASE);
+		
+		# Validate Name
+		if(!$feat_name) {
+			&featureparser::ERROR("Feature name attribute is empty");
+			return 0;
+		}
+		if(exists $nameUidMap{lc($feat_name)}) {
+			&featureparser::ERROR("Feature entry \"".$feat_name."\" already exists");
+			return 0;
+		}
+		
+		#Read the uid value
+		$uid_value = &featureparser::getattrValue($att_node, "uid");
+		if(!&featureparser::IsValidNum($uid_value)) {
+			&featureparser::ERROR("Valid hexadecimal or decimal value expected in UID entry for \"$feat_name\"");
+			return 0;
+		}
+		$uid_value = &featureparser::ConvertHexToDecimal($uid_value);
+		if((defined $map->{feature}) && (exists $map->{feature}{$uid_value})) {
+			&featureparser::ERROR("UID entry for \"".$feat_name."\" already exists");
+			return 0;
+		}
+		
+		$attval = &featureparser::getattrValue($att_node, "statusflags");
+		if(!&featureparser::IsValidNum($attval)) {
+			&featureparser::ERROR("Valid hexadecimal or decimal value expected in STATUS_FLAGS entry for \"$feat_name\"");
+			return 0;
+		}
+		$featureHash{statusflags} = $attval;
+		
+		$attval = &featureparser::getattrValue($att_node, "userdata");
+		if(defined $attval) {
+			if(!&featureparser::IsValidNum($attval)) {
+				&featureparser::ERROR("Valid hexadecimal or decimal value expected in USER_DATA entry for \"$feat_name\"");
+				return 0;
+			}
+		}
+		$featureHash{name} = $feat_name;
+		$featureHash{userdata} = $attval;
+		
+		#Read the attributes of <hrhmacro> element
+		@macroSet = &featureparser::getnodefromTree($att_node, "hrhmacro");
+		foreach my $nodeMac (@macroSet) {
+			$featureHash{includemacro} = &featureparser::getattrValue($nodeMac,"include",STRICTCASE);
+			$featureHash{excludemacro} = &featureparser::getattrValue($nodeMac,"exclude",STRICTCASE);
+			
+			#Read the attribute infeaturesetiby
+			$attval = &featureparser::getattrValue($nodeMac,"infeaturesetiby");
+			if(($attval eq undef) or (lc($attval) eq "yes")) {
+				$featureHash{infeaturesetiby} = 1;
+			}
+			elsif(lc($attval) eq "no") {
+				$featureHash{infeaturesetiby} = 0;
+			}
+			else {
+				&featureparser::ERROR("(yes|no) value expected in infeaturesetiby attribute for \"$feat_name\"");
+				return 0;
+			}
+		}
+		
+		#Read the <comment> element value
+		@commentSet = &featureparser::getnodefromTree($att_node, "comment");
+		foreach my $nodeCmt (@commentSet) {
+			$featureHash{comment} =  &featureparser::getelementValue($nodeCmt,STRICTCASE);
+		}
+		
+		#Add an entry to name->uid map for this feature
+		$nameUidMap{lc($feat_name)} = $uid_value;
+		#Add an entry to the global hash map with all the attributes of this feature
+		$map->{feature}{$uid_value} = \%featureHash;
+	}
+	
+	$map->{feature_list} = \%nameUidMap;
+	
+	return 1;
+};
+my $fillAliasAttributes = sub
+{
+	my $node = shift;
+	my $map = shift;
+	my %aliasnameUidMap = ();
+	my $featureList = $map->{feature_list};
+	my @attribSet = &featureparser::getnodefromTree($node, "featureoverride");
+	foreach my $att_node (@attribSet)
+	{
+		my ($uid_value, $alias_name, $feat_name, $attval);
+		my (@macroSet, @commentSet);
+		my %featureHash = ();
+		#read the alias name 
+		$alias_name = &featureparser::getattrValue($att_node, "name", STRICTCASE);
+		if(!$alias_name)
+		{
+			&featureparser::ERROR("Featureoverride name attribute is empty");
+			return 0;
+		}
+		if(exists $featureList->{lc($alias_name)})
+		{
+			&featureparser::ERROR("Can't override <feature> \"".sprintf("0x%08x", $featureList->{lc($alias_name)})."\" in the same <featureset>");
+			return 0;
+		}
+		if(exists $aliasnameUidMap{lc($alias_name)})
+		{
+			&featureparser::ERROR("Can't override <featureoverride> \"".sprintf("0x%08x", $aliasnameUidMap{lc($alias_name)})."\" in the same <featureset>");
+			return 0;
+		}
+		$uid_value = &featureparser::getattrValue($att_node, "uid");
+		if(!&featureparser::IsValidNum($uid_value))
+		{
+			&featureparser::ERROR("Valid hexadecimal or decimal value expected in UID entry for \"$alias_name\"");
+			return 0;
+		}
+		$uid_value = &featureparser::ConvertHexToDecimal($uid_value);
+		if((defined $map->{alias_feature}) && (exists $map->{alias_feature}{$uid_value}))
+		{
+			&featureparser::ERROR("Can't override <featureoverride> \"".sprintf("0x%08x", $uid_value)."\" in the same <featureset>");
+			return 0;
+		}
+		if((defined $map->{feature}) && (exists $map->{feature}{$uid_value}))
+		{
+			&featureparser::ERROR("Can't override <feature> \"".sprintf("0x%08x", $uid_value)."\" in the same <featureset>");
+			return 0;
+		}
+		$attval = &featureparser::getattrValue($att_node, "statusflags");
+		if(defined $attval)
+		{
+			if(!&featureparser::IsValidNum($attval))
+			{
+				&featureparser::ERROR("Valid hexadecimal or decimal value expected in STATUS_FLAGS entry for \"$alias_name\"");
+				return 0;
+			}
+		}
+		$featureHash{statusflags} = $attval;
+
+		$attval = &featureparser::getattrValue($att_node, "userdata");
+		if(defined $attval)
+		{
+			if(!&featureparser::IsValidNum($attval))
+			{
+				&featureparser::ERROR("Valid hexadecimal or decimal value expected in USER_DATA entry for \"$alias_name\"");
+				return 0;
+			}
+		}
+
+		$featureHash{uid} = $uid_value;
+		$featureHash{name} = $alias_name;
+		$featureHash{userdata} = $attval;
+		#read the attributes of <hrhmacro> element
+		@macroSet = &featureparser::getnodefromTree($att_node,"hrhmacro");
+		foreach my $nodeMac (@macroSet) 
+		{
+			$featureHash{includemacro} = &featureparser::getattrValue($nodeMac, "include", STRICTCASE);
+			$featureHash{excludemacro} = &featureparser::getattrValue($nodeMac, "exclude", STRICTCASE);
+			#read the attribute infeaturesetiby
+			$attval = &featureparser::getattrValue($nodeMac, "infeaturesetiby");
+			if(($attval eq undef) or (lc($attval) eq "yes"))
+			{
+				$featureHash{infeaturesetiby} = 1;
+			}
+			elsif(lc($attval) eq "no")
+			{
+				$featureHash{infeaturesetiby} = 0;
+			}
+			else
+			{
+				&featureparser::ERROR("(yes|no) value expected in infeaturesetiby attribute for \"$feat_name\"");
+				return 0;
+			}
+		}
+		#read the <comment> element value
+		@commentSet = &featureparser::getnodefromTree($att_node, "comment");
+		foreach my $nodeCmt (@commentSet)
+		{
+			$featureHash{comment} = &featureparser::getelementValue($nodeCmt, STRICTCASE);
+		}
+		#add an entry to alias->uid map for this feature
+		$aliasnameUidMap{lc($alias_name)} = $uid_value;
+		#add an entry to the global hash map with all the attributes of this alias feature
+		$map->{alias_feature}{$uid_value} = \%featureHash;
+	}
+	$map->{alias_feature_list} = \%aliasnameUidMap;
+
+	return 1;
+};
+
+#
+# Public methods
+#
+
+sub getAliasFeatureList
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getAliasFeatureList"));
+	
+	my $aliasfeatlist = $object->$aliasfeatureList();
+	return $aliasfeatlist;
+}
+# To get the status flag attribute value of the given feature
+# @param : feature name
+#
+sub getStatusFlag
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getStausFlag"));
+	
+	my $name = shift;
+	my $namespace = shift;
+	my $uid = $object->getFeatureUID($name, $namespace);
+	if($uid)
+	{
+		my $feature = $object->getFeatureInfo($uid, $namespace);
+		
+		return ($feature->{statusflags}) if(exists $feature->{statusflags});
+	}
+	
+	return undef;
+}
+
+# To get the user data attribute value of the given feature
+# @param : feature name
+#
+sub getUserData
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getUserData"));
+	
+	my $name = shift;
+	my $namespace = shift;
+	my $uid = $object->getFeatureUID($name, $namespace);
+	if($uid)
+	{
+		my $feature = $object->getFeatureInfo($uid, $namespace);
+		
+		return ($feature->{userdata}) if(exists $feature->{userdata});
+	}
+	
+	return undef;
+}
+
+# To get the include macro attribute value of the given feature
+# @param : feature name
+#
+sub getIncludeMacro
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getIncludeMacro"));
+	
+	my $name = shift;
+	my $uid = $object->getfeatureUID($name);
+	if($uid)
+	{
+		my $feature = $object->getfeatureInfo($uid);
+		return $feature->{includemacro};
+	}
+	
+	return undef;
+}
+
+# To get the exclude macro attribute value of the given feature
+# @param : feature name
+#
+sub getExcludeMacro
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getExcludeMacro"));
+	
+	my $name = shift;
+	my $uid = $object->getfeatureUID($name);
+	if($uid)
+	{
+		my $feature = $object->getfeatureInfo($uid);
+		return $feature->{excludemacro};
+	}
+	
+	return undef;
+}
+
+# Return the feature uid for the given feature name.
+# @param : Feature Name
+# @param : namespace of the featureset (optional)
+#
+sub getFeatureUID
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getFeatureUID"));
+	
+	my $feature = shift;
+	my $namespace = shift;
+	my $featuresetList = $object->$featuresetList;
+	
+	$feature = lc($feature);
+	if($namespace eq undef)	{
+		if(exists $$featuresetList[0]->{feature_list}{$feature}) {
+			return $$featuresetList[0]->{feature_list}{$feature};
+		}
+		if(exists $$featuresetList[0]->{alias_feature_list}{$feature}) {
+			return $$featuresetList[0]->{alias_feature_list}{$feature};
+		}
+	}
+	else {
+		foreach my $node (@$featuresetList)
+		{
+			if((lc($node->{namespace}) eq lc($namespace)) && ((exists $node->{feature_list}{$feature})||(exists $node->{alias_feature_list}{$feature}))) {
+				return $node->{feature_list}{$feature} if (exists $node->{feature_list}{$feature});
+				return $node->{alias_feature_list}{$feature} if (exists $node->{alias_feature_list}{$feature});
+			}
+		}
+	}
+	foreach my $node (@$featuresetList) {
+		return $node->{feature_list}{$feature} if(exists $node->{feature_list}{$feature});
+		return $node->{alias_feature_list}{$feature} if(exists $node->{alias_feature_list}{$feature});
+	}
+	return undef;
+}
+
+# Get the details of feature with given featureuid and other parameters
+# This function only consider the feature UID only and that UID should be in decimal
+# @param : Feature UID
+# @param : namespace of the featureset (optional)
+#
+sub getFeatureInfo
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getFeatureInfo"));
+	
+	my $uid = shift;
+	my $namespace = shift;
+	my $featuresetList = $object->$featuresetList;
+
+	if($namespace eq undef)	{
+		foreach my $node (@$featuresetList) {
+			return $node->{alias_feature}{$uid} if(exists $node->{alias_feature}{$uid});
+		}
+		if(exists $$featuresetList[0]->{feature}{$uid}) {
+			return $$featuresetList[0]->{feature}{$uid};
+		}
+		if(exists $$featuresetList[0]->{alias_feature}{$uid}) {
+			return $$featuresetList[0]->{alias_feature}{$uid};
+		}
+	}
+	else {
+		foreach my $node (@$featuresetList)
+		{
+			if((lc($node->{namespace}) eq lc($namespace)) && ((exists $node->{feature}{$uid})||(exists $node->{alias_feature}{$uid}))) {
+				return $node->{feature}{$uid} if (exists $node->{feature}{$uid});
+				return $node->{alias_feature}{$uid} if (exists $node->{alias_feature}{$uid});
+			}
+		}
+	}
+	foreach my $node (@$featuresetList) {
+		return $node->{feature}{$uid} if(exists $node->{feature}{$uid});
+	}
+	return undef;
+}
+
+
+# Get the Feature set info as a hash
+# @param: namespace of the featureset
+#
+sub getFeaturesetInfo 
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getFeaturesetInfo"));
+	
+	my $namespace = shift;
+	
+	my $featuresetList = $object->$featuresetList;
+	if($namespace eq undef)	{
+		if(exists $$featuresetList[0]) {
+			return $$featuresetList[0];
+		}
+	}
+	else {
+		foreach my $node (@$featuresetList)
+		{
+			if((lc($node->{namespace}) eq lc($namespace))) {
+				return $node;
+			}
+		}
+	}
+	return undef;
+}
+
+# Get the Featureset namespaces as an array
+#
+sub getFeatureset
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"getFeatureset"));
+	
+	my @featureSet=();
+	
+	my $featuresetList = $object->$featuresetList;
+	foreach my $node (@$featuresetList) {
+		push @featureSet, $node;
+	}
+	return \@featureSet;
+}
+
+# Add feature registry object contents to feature manager object
+# @param : feature registry object
+#
+sub addFeatureRegistry
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"addFeatureRegistry"));
+	
+	my $registryobj = shift;
+	my %attribHash = ();
+	my $nameuidmap;
+	my $newRangeList;
+	my $rangeList;
+	
+	# Adding default range list
+	$newRangeList = $registryobj->defaultRangeList();
+	$rangeList = $object->defaultRangeList();
+
+	foreach my $newnode (@$newRangeList) {
+		my $include = 1;
+		foreach my $node (@$rangeList) { #Check if the range is already exists
+			if(($node->{min} == $newnode->{min}) && ($node->{max} == $newnode->{max}) 
+				&& ($node->{support} eq $newnode->{support})) {
+				$include = 0;
+			}
+		}
+		
+		if($include) { # Add it if it is new range
+			push @$rangeList, $newnode;
+			$object->defaultIncludeCount($object->defaultIncludeCount()+1) if(lc($newnode->{support}) eq "include");
+			$object->defaultExcludeCount($object->defaultExcludeCount()+1) if(lc($newnode->{support}) eq "exclude");
+		}
+	}
+	
+	# Adding feature list
+	$nameuidmap = $registryobj->featureNameUidMap();
+	$attribHash{namespace} = undef;
+	$attribHash{feature_list} = $nameuidmap;
+	
+	foreach my $name (keys %$nameuidmap) {
+		my $uid = $nameuidmap->{$name};
+		my %featureinfo = ();
+		
+		$featureinfo{name} = $name;
+		# Default values for statusflags and userdata
+		$featureinfo{statusflags} = "0x00000001";
+		$featureinfo{userdata} = "0x00000000";
+		
+		$attribHash{feature}{$uid} = \%featureinfo;
+	}
+	
+	# add the featureset into the feature manager object
+	return 0 if(! &addFeatureSet($object, \%attribHash));
+
+	return 1;
+}
+
+#
+# Utility functions
+#
+# Add the featureset into the hash map
+# @param : reference to the atrribute hash map of featureset
+#
+sub addFeatureSet
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"addFeatureSet"));
+	
+	my $newSet = shift;
+	my $featSetList = $object->$featuresetList();
+	my $newfeatList = $newSet->{feature_list};
+	my $newaliasfeatList = $newSet->{alias_feature_list};
+
+	# Check for the duplicate featue names in the existing list
+	foreach my $name (keys %$newfeatList)
+	{
+		if(exists $object->$featureList()->{$name})
+		{
+			&featureparser::ERROR("\(".$object->fileName()."\) Feature \"".uc($name)."\" already exists");
+			return 0;
+		}
+		else
+		{
+			my $uid = $newfeatList->{$name};
+			$object->$featureList()->{$name} = $uid; #Add it to global featue name list
+		}
+	}
+	
+	# Check for the duplicate UIDs in the existing list
+	if(@$featSetList) 
+	{	
+		foreach my $set (@$featSetList)
+		{
+			foreach my $name (keys %$newfeatList)
+			{
+				my $uid = $newfeatList->{$name};
+				if(exists $set->{feature}{$uid})
+				{
+					&featureparser::ERROR("\(".$object->fileName()."\) UID \"".sprintf("0x%08x",$uid)."\" for the feature \"".uc($name)."\" already exists");
+					return 0;
+				}
+			}
+		}
+	}
+	#check for the duplicate alias feature names in the existing list
+	foreach my $alias_name (keys %$newaliasfeatList)
+	{
+		if(exists $object->$featureList()->{$alias_name})
+		{
+			&featureparser::ERROR("\(".$object->fileName."\) Can't override <feature> \"".sprintf("0x%08x", $newaliasfeatList->{$alias_name})."\" with the same feature name ".$alias_name);
+			return 0;
+
+		}
+		if(exists $object->$aliasfeatureList()->{$alias_name})
+		{
+			&featureparser::ERROR("\(".$object->fileName."\) Can't override <featureoverride> \"".sprintf("0x%08x", $newaliasfeatList->{$alias_name})."\" with the same feature name ".$alias_name);
+			return 0;
+		}
+		else
+		{
+			my $uid = $newaliasfeatList->{$alias_name};
+			# add it to global alias feature name list
+			$object->$aliasfeatureList()->{$alias_name} = $uid;
+		}
+	}
+	#check if the original feature has existed in other feature set.
+	foreach my $alias_name (keys %$newaliasfeatList)
+	{
+		my $featHash;
+		my $uid = $newaliasfeatList->{$alias_name};
+		foreach my $set (@$featSetList)
+		{
+			if(exists $set->{feature}{$uid})
+			{
+				$featHash = $set->{feature}{$uid};
+				last;
+			}
+			if(exists $set->{alias_feature}{$uid})
+			{
+				$featHash = $set->{alias_feature}{$uid};
+				last;
+			}
+		}
+		if(!$featHash)
+		{
+			&featureparser::ERROR("original feature definition does not exist.");
+			return 0;
+		}
+
+		my $aliasfeatHash = $newSet->{alias_feature}{$uid};
+
+		if(($aliasfeatHash->{includemacro}) || ($aliasfeatHash->{excludemacro}))
+		{
+			if(($featHash->{includemacro}) || ($featHash->{excludemacro}))
+			{
+				&featureparser::WARN("the value of attribute hrhmacro has been overrided in ogrinal feature ".sprintf("0x%08x", $uid));
+				undef $featHash->{includemacro};
+				undef $featHash->{excludemacro};
+			}
+		}
+		elsif($featHash->{includemacro} || $featHash->{excludemacro})
+		{
+			&featureparser::WARN("the original value of attribute hrhmacro will be used for featureoverride ".sprintf("0x%08x", $uid));
+			$aliasfeatHash->{includemacro} = $featHash->{includemacro};
+			$aliasfeatHash->{excludemacro} = $featHash->{excludemacro};
+		}
+		if($aliasfeatHash->{statusflags})
+		{
+			if(($featHash->{statusflags}) && !($aliasfeatHash->{statusflags} eq $featHash->{statusflags}))
+			{
+				&featureparser::WARN("the value of attribute statusflags has been overrided in ogrinal feature ".sprintf("0x%08x", $uid));
+			}
+		}
+		elsif($featHash->{statusflags})
+		{
+			$aliasfeatHash->{statusflags} = $featHash->{statusflags};
+			&featureparser::WARN("the original value of attribute statusflags will be used for featureoverride ".sprintf("0x%08x", $uid));
+		}
+		if($aliasfeatHash->{userdata})
+		{
+			if(($featHash->{userdata}) && !($aliasfeatHash->{userdata} eq $featHash->{userdata}))
+			{
+				&featureparser::WARN("the value of attribute userdata has been overrided in ogrinal feature ".sprintf("0x%08x", $uid));
+			}
+		}
+		elsif($featHash->{userdata})
+		{
+			$aliasfeatHash->{userdata} = $featHash->{userdata};
+			&featureparser::WARN("the original value of attribute userdata will be used for featureoverride ".sprintf("0x%08x", $uid));
+		}
+		if($aliasfeatHash->{infeaturesetiby})
+		{
+			if(($featHash->{infeaturesetiby}) && ($aliasfeatHash->{infeaturesetiby} != $featHash->{infeaturesetiby}))
+			{
+				&featureparser::WARN("the value of attribute infeautresetiby has been overrided in ogrinal feature ".sprintf("0x%08x", $uid));
+			}
+		}
+		elsif(defined($featHash->{infeaturesetiby}))
+		{
+			$aliasfeatHash->{infeaturesetiby} = $featHash->{infeaturesetiby};
+			&featureparser::WARN("the original value of attribute infewaturesetiby will be used for featureoverride ".sprintf("0x%08x", $uid));
+		}
+	}
+	# Add the unique featureset into the list
+	push @$featSetList, $newSet;
+	return 1;
+}
+
+# Read the <featureset> element
+# 
+sub createFeatureMap
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"createFeatureMap"));
+	
+	# Return error if the rootelement reference is NULL
+	return 0 if($object->rootElement() < 0);
+	
+	# Get all the <featureset> elements
+	my @attrSet =  &featureparser::getnodefromTree($object->rootElement(), "featureset");
+	
+	if(@attrSet)
+	{
+		foreach my $currNode (@attrSet)
+		{
+			my %attrHashMap = ();
+			
+			# Get the <featureset> attributes
+			$fillFeatureSetAttributes->($currNode,\%attrHashMap);
+			# Get the <hfileheader> attributes
+			$fillFileHeaderAttributes->($currNode,\%attrHashMap);
+			
+			# Get the <feature> attributes
+			return 0 if( !($fillFeatureAttributes->($currNode,\%attrHashMap)) );
+			# Get the <alias> attributes
+			return 0 if( !($fillAliasAttributes->($currNode, \%attrHashMap)) );
+			
+			# Add the featureset into the object
+			if(! &addFeatureSet($object,\%attrHashMap))
+			{
+				return 0;
+			}
+		}
+		return 1;
+	}
+	return 0;
+}
+
+# Read the <defaultfeaturerange> element
+#
+sub createDefaultRangeMap
+{
+	my $object = shift; 
+	return 0 if(!&featureparser::ISREF($object,"createDefaultRangeMap"));
+	
+	# Return error if the rootelement reference is NULL
+	return 0 if($object->rootElement() < 0);
+	
+	# Get all the <defaultfeaturerange> elements
+	my @attrSet =  &featureparser::getnodefromTree($object->rootElement(), "defaultfeaturerange");
+	
+	# Add the defaultfeaturerange elements into the object
+	return &featureparser::createDefaultRangeMap($object,@attrSet);
+}
+
+# Read the attributes of the <defaultfeaturerange> element
+# @param - <defaultfeaturerange> node reference
+# @param - reference to the range attributes
+#
+sub readRangeAttributes
+{
+	my ($object, $currNode, $range) = @_; 
+	my @commentSet;
+	return 0 if(!&featureparser::ISREF($object,"readRangeAttributes"));	
+	
+	#Get the lower and higher uids
+	$range->{min} = &featureparser::getattrValue($currNode, "loweruid");
+	$range->{max} = &featureparser::getattrValue($currNode, "higheruid");
+
+ 	#Always supported/included for FM. Keep this value for compatible with FR
+ 	$range->{support} = "include";
+	#Read the <comment> element
+	@commentSet = &featureparser::getnodefromTree($currNode, "comment");
+	foreach my $node (@commentSet) {
+		$range->{comment} =  &featureparser::getelementValue($node,STRICTCASE);
+	}
+}
+
+1;