version 1.2, 2000/08/02 15:27:10
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version 1.3, 2000/08/06 03:25:24
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Line 10
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Line 10
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# 7/1 Gerd Kortemeyer) |
# 7/1 Gerd Kortemeyer) |
# 7/1,7/3,7/4,7/7,7/8,7/10 Gerd Kortemeyer) |
# 7/1,7/3,7/4,7/7,7/8,7/10 Gerd Kortemeyer) |
# |
# |
# 7/15,7/17,7/18,8/1,8/2 Gerd Kortemeyer |
# 7/15,7/17,7/18,8/1,8/2,8/4,8/5 Gerd Kortemeyer |
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package Apache::lonuserstate; |
package Apache::lonuserstate; |
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Line 175 sub loadmap {
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Line 175 sub loadmap {
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} |
} |
} |
} |
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# --------------------------------------------------------- Simplify expression |
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sub simplify { |
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my $expression=shift; |
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# "True and" is nothing |
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$expression=~s/0\&//g; |
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# (8)=8 |
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$expression=~s/\((\d+)\)/$1/g; |
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# 8&8=8 |
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$expression=~s/(\d+)\&\1/$1/g; |
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# 8|8=8 |
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$expression=~s/(\d+)\|\1/$1/g; |
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# (5&3)&4=5&3&4 |
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$expression=~s/\((\d+)\&(\d+)\)\&(\d+)/$1\&$2\&$3/g; |
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# (((5&3)|(4&6)))=((5&3)|(4&6)) |
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$expression=~ |
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s/\((\(\(\d+(?:\&\d+)*\)(?:\|\(\d+(?:\&\d+)*\))+\))\)/$1/g; |
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# ((5&3)|(4&6))|(1&2)=(5&3)|(4&6)|(1&2) |
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$expression=~ |
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s/\((\(\d+(?:\&\d+)*\))((?:\|\(\d+(?:\&\d+)*\))+)\)\|(\(\d+(?:\&\d+)*\))/\($1$2\|$3\)/g; |
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return $expression; |
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} |
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# -------------------------------------------------------- Build condition hash |
# -------------------------------------------------------- Build condition hash |
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sub traceroute { |
sub traceroute { |
my ($sofar,$rid,$beenhere)=shift; |
my ($sofar,$rid,$beenhere)=@_; |
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$sofar=simplify($sofar); |
unless ($beenhere=~/\&$rid\&/) { |
unless ($beenhere=~/\&$rid\&/) { |
$beenhere.=$rid.'&'; |
$beenhere.=$rid.'&'; |
if (defined($hash{'conditions_'.$rid})) { |
if (defined($hash{'conditions_'.$rid})) { |
$hash{'conditions_'.$rid}= |
$hash{'conditions_'.$rid}=simplify( |
'('.$hash{'conditions_'.$rid}.')|('.$sofar.')'; |
'('.$hash{'conditions_'.$rid}.')|('.$sofar.')'); |
} else { |
} else { |
$hash{'conditions_'.$rid}=$sofar; |
$hash{'conditions_'.$rid}=$sofar; |
} |
} |
if (defined($hash{'is_map_'.$rid})) { |
if (defined($hash{'is_map_'.$rid})) { |
if () { |
if (defined($hash{'map_start_'.$hash{'src_'.$rid}})) { |
&traceroute($sofar,$startrid,'&'); |
&traceroute($sofar,$hash{'map_start_'.$hash{'src_'.$rid}},'&'); |
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if (defined($hash{'map_finish_'.$hash{'src_'.$rid}})) { |
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$sofar= |
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$hash{'conditions_'.$hash{'map_finish_'.$hash{'src_'.$rid}}}; |
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} |
} |
} |
} |
} |
if (defined($hash{'to_'.$rid})) { |
if (defined($hash{'to_'.$rid})) { |
Line 197 sub traceroute {
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Line 225 sub traceroute {
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my $further=$sofar; |
my $further=$sofar; |
if ($hash{'undercond_'.$_}) { |
if ($hash{'undercond_'.$_}) { |
if (defined($hash{'condid_'.$hash{'undercond_'.$_}})) { |
if (defined($hash{'condid_'.$hash{'undercond_'.$_}})) { |
$further.='&'.$hash{'condid_'.$hash{'undercond_'.$_}}; |
$further=simplify('('.$further.')&('. |
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$hash{'condid_'.$hash{'undercond_'.$_}}.')'); |
} else { |
} else { |
$errtext.='Undefined condition ID: ' |
$errtext.='Undefined condition ID: ' |
.$hash{'undercond_'.$_}.'. '; |
.$hash{'undercond_'.$_}.'. '; |
Line 213 sub traceroute {
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Line 242 sub traceroute {
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sub readmap { |
sub readmap { |
my $uri=shift; |
my $uri=shift; |
@cond=(); |
@cond=('true:normal'); |
%hash=(); |
%hash=(); |
$errtext=''; |
$errtext=''; |
$pc=0; |
$pc=0; |
loadmap($uri); |
loadmap($uri); |
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if (defined($hash{'map_start_'.$uri})) { |
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&traceroute('0',$hash{'map_start_'.$uri},'&'); |
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} |
} |
} |
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# ---------------------------------------------------------------- Testing only |
# ---------------------------------------------------------------- Testing only |