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sashby |
1.1 |
#____________________________________________________________________
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# File: XMLReqUtils.pm
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#____________________________________________________________________
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#
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# Author: Shaun ASHBY <Shaun.Ashby@cern.ch>
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# Update: 2005-07-26 14:58:38+0200
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# Revision: $Id$
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#
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# Copyright: 2005 (C) Shaun ASHBY
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#
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#--------------------------------------------------------------------
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package BuildSystem::XMLReqUtils;
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require 5.004;
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use Exporter;
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@ISA=qw(Exporter);
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@EXPORT_OK=qw( );
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# This package provides all subroutines for supported tags found
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# in requirements docs:
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sub new
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{
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my $proto=shift;
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my $class=ref($proto) || $proto;
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my $self={};
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bless $self,$class;
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return $self;
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}
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#### Core XML Register Functions ####
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sub OpenTagHandler()
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{
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my $xmlparser=shift;
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my ($element, %attributes)=@_;
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# Elementary doc checks:
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if ($element eq 'doc')
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{
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if ($attributes{'type'} ne 'Requirements')
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{
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die "SCRAM Error: Unable to parse this document! Wrong type!","\n";
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}
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return;
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}
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# Store the name of the current tag environment:
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$self->{currentenv} = $element;
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$self->simplexmldoc()->checkattributes($element, \%attributes);
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&{$self->simplexmldoc()->gettagfunction($element)}($element, \%attributes);
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}
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sub ClosingTagHandler()
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{
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my $xmlparser=shift;
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my ($element)=@_;
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if ($element eq 'doc')
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{
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return;
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}
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if (grep($element eq $_, @{$self->simplexmldoc()->nested()}))
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{
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&{$self->simplexmldoc()->gettagfunction($element)}($element, {}, 1);
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}
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# Reset the current env (i.e. delete entry):
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delete $self->{currentenv};
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}
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sub CharHandler()
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{
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my ($xmlparser, @items) = @_;
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return if ($items[0] =~ /\s*/);
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# Check to see if there's a content entry in $self
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# for the current tag. If so, append the line to it:
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if (grep($self->{currentenv} eq $_, @{$self->simplexmldoc()->nested()}))
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{
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&{$self->simplexmldoc()->gettagfunction($self->{currentenv})}($self->{currentenv},
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{}, 2, [ @items ]);
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}
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}
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## Tag routines ##
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sub requirementstaghandler()
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{
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my ($name, $hashref, $nesting) = @_;
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# Do nothing for char handler:
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return if ($nesting == 2);
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if ($nesting == 1)
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{
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# Cleanup whatever needs to be cleaned up:
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}
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else
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{
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}
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# Return here only if the current element is "requirements":
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return;
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}
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sub usetaghandler()
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{
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my ($name, $hashref) = @_;
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push(@{$self->{"$self->{levels}->[$self->{nested}]".content}->{USE}},$$hashref{'name'});
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}
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sub libtaghandler()
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{
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my ($name, $hashref) = @_;
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push(@{$self->{"$self->{levels}->[$self->{nested}]".content}->{LIB}},$$hashref{'name'});
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}
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sub infotaghandler()
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{
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my ($name, $hashref) = @_;
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$self->{"$self->{levels}->[$self->{nested}]".content}->{INFO} = $hashref;
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}
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sub flagstaghandler()
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{
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my ($name, $hashref, $nesting) = @_;
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# Do nothing for char handler:
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return if ($nesting == 2);
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# Do nothing for closing tag handler:
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return if ($nesting == 1);
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# Extract the flag name and its value:
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my ($flagname,$flagvaluestring) = each %{$hashref};
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$flagname =~ tr/[a-z]/[A-Z]/; # Keep flag name uppercase
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chomp($flagvaluestring);
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# Split the value on whitespace so we can push all
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# individual flags into an array:
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my @flagvalues = split(' ',$flagvaluestring);
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# Is current tag within another tag block?
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if ($self->{nested} > 0)
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{
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# Check to see if the current flag name is already stored in the hash. If so,
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# just add the new values to the array of flag values:
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if (exists ($self->{"$self->{levels}->[$self->{nested}]".content}->{FLAGS}->{$flagname}))
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{
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push(@{$self->{"$self->{levels}->[$self->{nested}]".content}->{FLAGS}->{$flagname}},@flagvalues);
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}
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else
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{
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$self->{"$self->{levels}->[$self->{nested}]".content}->{FLAGS}->{$flagname} = [ @flagvalues ];
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}
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}
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else
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{
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if (exists ($self->{content}->{FLAGS}->{$flagname}))
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{
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push(@{$self->{content}->{FLAGS}->{$flagname}},@flagvalues);
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}
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else
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{
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$self->{content}->{FLAGS}->{$flagname} = [ @flagvalues ];
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}
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}
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}
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sub environmenttaghandler()
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{
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my ($name, $hashref, $nesting) = @_;
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# Do nothing for char handler:
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return if ($nesting == 2);
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# Do nothing for closing tag handler:
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return if ($nesting == 1);
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# Save a copy of the name of this environment:
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my $envname=$$hashref{'name'};
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delete $$hashref{'name'}; # Delete name entry so hash is more tidy
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# Break the value/default value into its constituent parts:
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foreach my $t (qw(value default))
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{
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if (exists ($$hashref{$t}))
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{
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$hashref->{ELEMENTS} = [];
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map
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{
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if ($_ =~ m|\$(.*)?|)
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{
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push(@{$hashref->{ELEMENTS}},$1);
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}
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} split("/",$hashref->{$t});
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}
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}
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# Before we save $hashref we need to know if there are already
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# any env tags with the same name. If there are, we must save all
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# data to an aray of hashes:
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if (exists ($self->{"$self->{levels}->[$self->{nested}]".content}->{ENVIRONMENT}->{$envname}))
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{
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push(@{$self->{"$self->{levels}->[$self->{nested}]".content}->{ENVIRONMENT}->{$envname}},$hashref);
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}
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else
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{
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# No entry yet so just store the hashref:
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$self->{"$self->{levels}->[$self->{nested}]".content}->{ENVIRONMENT}->{$envname} = [ $hashref ];
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}
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}
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sub runtimetaghandler()
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{
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my ($name, $hashref, $nesting) = @_;
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# Do nothing for char handler:
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return if ($nesting == 2);
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# Do nothing for closing tag handler:
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return if ($nesting == 1);
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my $envname;
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# Break the value/default value into its constituent parts:
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foreach my $t (qw(value default))
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{
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if (exists ($$hashref{$t}))
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{
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$hashref->{ELEMENTS} = [];
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map
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{
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# In some cases, we might set a runtime path (e.g. LD_LIBRARY_PATH) to
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# a proper path value i.e. X:Y. In this case, don't bother adding the string
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# as a "variable" to ELEMENTS:
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if ($_ =~ m|\$(.*)?| && $_ !~ /:/)
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{
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push(@{$hashref->{ELEMENTS}},$1);
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}
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} split("/",$hashref->{$t});
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}
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}
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| 239 |
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# Check to see if we have a "type" arg. If so, we use this to create the key:
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if (exists ($hashref->{'type'}))
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{
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my $type=$hashref->{'type'};
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# Make the type uppercase:
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$type =~ tr/[a-z]/[A-Z]/;
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# Rename the environment as "<type>:<env name>":
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$envname = $type.":".$$hashref{'name'};
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}
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else
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| 249 |
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{
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| 250 |
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$envname = $$hashref{'name'};
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| 251 |
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}
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| 252 |
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# Delete name entry so hash is more tidy
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| 254 |
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delete $$hashref{'name'};
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| 255 |
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| 256 |
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# Before we save $hashref we need to know if there are already
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| 257 |
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# any runtime tags with the same name. If there are, we must save all
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| 258 |
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# data to an aray of hashes:
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if (exists ($self->{"$self->{levels}->[$self->{nested}]".content}->{RUNTIME}->{$envname}))
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{
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| 261 |
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push(@{$self->{"$self->{levels}->[$self->{nested}]".content}->{RUNTIME}->{$envname}},$hashref);
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| 262 |
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}
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| 263 |
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else
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| 264 |
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{
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| 265 |
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# No entry yet so just store the hashref:
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$self->{"$self->{levels}->[$self->{nested}]".content}->{RUNTIME}->{$envname} = [ $hashref ];
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| 267 |
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}
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| 268 |
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}
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| 269 |
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| 270 |
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sub makefiletaghandler()
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| 271 |
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{
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| 272 |
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my ($name, $hashref, $nesting, $string)=@_;
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| 273 |
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| 274 |
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if ($nesting == 1)
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| 275 |
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{
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| 276 |
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push(@{$self->{"$self->{levels}->[$self->{nested}]".content}->{MAKEFILE}},
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join('',@{$self->{makefilecontent}}));
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| 278 |
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delete $self->{makefilecontent};
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| 279 |
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}
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| 280 |
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elsif ($nesting == 2)
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| 281 |
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{
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| 282 |
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# Store the text content:
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| 283 |
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push(@{$self->{makefilecontent}}, @$string);
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| 284 |
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}
|
| 285 |
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else
|
| 286 |
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{
|
| 287 |
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# Start the tag:
|
| 288 |
|
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$self->{makefilecontent} = [];
|
| 289 |
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}
|
| 290 |
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}
|
| 291 |
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|
| 292 |
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sub clienttaghandler()
|
| 293 |
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{
|
| 294 |
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my ($name, $hashref, $nesting) = @_;
|
| 295 |
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# Do nothing for char handler:
|
| 296 |
|
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return if ($nesting == 2);
|
| 297 |
|
|
|
| 298 |
|
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if ($nesting == 1)
|
| 299 |
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{
|
| 300 |
|
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if ($self->{isarch} == 1)
|
| 301 |
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{
|
| 302 |
|
|
# If we already have an architecture tag, we must write to tagcontent hash:
|
| 303 |
|
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$self->{tagcontent}->{CLIENT}=$self->{nexttagcontent};
|
| 304 |
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delete $self->{nexttagcontent};
|
| 305 |
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}
|
| 306 |
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else
|
| 307 |
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{
|
| 308 |
|
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$self->{content}->{CLIENT}=$self->{tagcontent};
|
| 309 |
|
|
}
|
| 310 |
|
|
|
| 311 |
|
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$self->poplevel();
|
| 312 |
|
|
}
|
| 313 |
|
|
else
|
| 314 |
|
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{
|
| 315 |
|
|
$self->pushlevel();
|
| 316 |
|
|
}
|
| 317 |
|
|
}
|
| 318 |
|
|
|
| 319 |
|
|
sub archtaghandler()
|
| 320 |
|
|
{
|
| 321 |
|
|
my ($name, $hashref, $nesting) = @_;
|
| 322 |
|
|
# Do nothing for char handler:
|
| 323 |
|
|
return if ($nesting == 2);
|
| 324 |
|
|
|
| 325 |
|
|
if ($nesting == 1)
|
| 326 |
|
|
{
|
| 327 |
|
|
# Need to be able to cope with multiple arch blocks with same arch string:
|
| 328 |
|
|
if (exists ($self->{content}->{ARCH}->{$self->{id}->{'name'}}))
|
| 329 |
|
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{
|
| 330 |
|
|
# Already have an architecture tag for this arch:
|
| 331 |
|
|
while (my ($k,$v) = each %{$self->{tagcontent}})
|
| 332 |
|
|
{
|
| 333 |
|
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# If this tag (e.g. LIB, USE, MAKEFILE) already exists and (as we know
|
| 334 |
|
|
# it should be) its data is an ARRAY, push it to the store:
|
| 335 |
|
|
if (exists ($self->{content}->{ARCH}->{$self->{id}->{'name'}}->{$k}) &&
|
| 336 |
|
|
ref($v) eq 'ARRAY')
|
| 337 |
|
|
{
|
| 338 |
|
|
push(@{$self->{content}->{ARCH}->{$self->{id}->{'name'}}->{$k}},@$v);
|
| 339 |
|
|
}
|
| 340 |
|
|
else
|
| 341 |
|
|
{
|
| 342 |
|
|
# Otherwise (for HASH data) we just store it. Note that, because we do
|
| 343 |
|
|
# not loop over the HASH content and check for already existsing keys,
|
| 344 |
|
|
# if two arch blocks with same arch name define the same tag (e.g, ENV),
|
| 345 |
|
|
# the last occurrence will be kept (i.e. the two values won't be added
|
| 346 |
|
|
# to one ENV hash): //FIXME for later....
|
| 347 |
|
|
$self->{content}->{ARCH}->{$self->{id}->{'name'}}->{$k} = $v;
|
| 348 |
|
|
}
|
| 349 |
|
|
}
|
| 350 |
|
|
}
|
| 351 |
|
|
else
|
| 352 |
|
|
{
|
| 353 |
|
|
$self->{content}->{ARCH}->{$self->{id}->{'name'}}=$self->{tagcontent};
|
| 354 |
|
|
}
|
| 355 |
|
|
|
| 356 |
|
|
delete $self->{isarch};
|
| 357 |
|
|
$self->poplevel();
|
| 358 |
|
|
}
|
| 359 |
|
|
else
|
| 360 |
|
|
{
|
| 361 |
|
|
$self->pushlevel($hashref, 1); # Set nested to 1;
|
| 362 |
|
|
}
|
| 363 |
|
|
}
|
| 364 |
|
|
|
| 365 |
|
|
# Data-handling utility functions:
|
| 366 |
|
|
sub datastore()
|
| 367 |
|
|
{
|
| 368 |
|
|
my $obj=shift;
|
| 369 |
|
|
$self = $obj;
|
| 370 |
|
|
}
|
| 371 |
|
|
|
| 372 |
|
|
1;
|
