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fhem.pl: add hashKeyRename (Forum #109430)

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git-svn-id: https://svn.fhem.de/fhem/trunk@21493 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
rudolfkoenig 2020-03-23 11:34:26 +00:00
parent 2a8115e8c0
commit c389972e76
1 changed files with 27 additions and 2 deletions
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29
fhem/fhem.pl
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@ -136,6 +136,7 @@ sub getAllGets($;$);
sub getAllSets($;$);
sub getPawList($);
sub getUniqueId();
sub hashKeyRename($$$);
sub json2nameValue($;$$);
sub json2reading($$;$$);
sub latin1ToUtf8($);
@ -5246,17 +5247,41 @@ json2nameValue($;$$)
return \%ret;
}
# add certain values to the key. Used to postprocess json2nameValue, where
# the input is of the form [{"name":"NAME","value":"Value"}], with
# hashKeyRename(json2nameValue($in), "^([0-9]+)_name:(.*)","^([0-9]+)");
sub
hashKeyRename($$$)
{
my ($hash, $r1, $r2) = @_;
my (%repl, %ret);
for my $k (keys %{$hash}) {
$repl{$1} = $2 if("$k:$hash->{$k}" =~ m/$r1/ && defined($1) && defined($2));
}
for my $k (keys %{$hash}) {
my $val = $hash->{$k};
next if($k !~ m/$r2/ || !defined($repl{$1}));
$k =~ s/$r2/$repl{$1}/;
$ret{makeReadingName($k)} = $val;
}
return \%ret;
}
# generate readings from the json string (parsed by json2reading) for $hash
sub
json2reading($$;$$)
json2reading($$;$$$)
{
my ($hash, $json, $prefix, $map) = @_;
my ($hash, $json, $prefix, $map, $postProcess) = @_;
$hash = $defs{$hash} if(ref($hash) ne "HASH");
return "json2reading: first arg is not a FHEM device"
if(!$hash || ref $hash ne "HASH" || !$hash->{TYPE});
my $ret = json2nameValue($json, $prefix, $map);
if($postProcess) {
$ret = eval($postProcess);
Log 1, $@ if($@);
}
if($ret && ref $ret eq "HASH") {
readingsBeginUpdate($hash);
foreach my $k (keys %{$ret}) {