2 package Compress::Zlib::ParseParameters ;
9 our ($VERSION, @ISA, @EXPORT);
10 $VERSION = '2.000_07';
13 use constant Parse_any => 0x01;
14 use constant Parse_unsigned => 0x02;
15 use constant Parse_signed => 0x04;
16 use constant Parse_boolean => 0x08;
17 use constant Parse_string => 0x10;
18 use constant Parse_custom => 0x12;
20 use constant Parse_store_ref => 0x100 ;
22 use constant OFF_PARSED => 0 ;
23 use constant OFF_TYPE => 1 ;
24 use constant OFF_DEFAULT => 2 ;
25 use constant OFF_FIXED => 3 ;
26 use constant OFF_FIRST_ONLY => 4 ;
27 use constant OFF_STICKY => 5 ;
29 push @EXPORT, qw( ParseParameters
30 Parse_any Parse_unsigned Parse_signed
31 Parse_boolean Parse_custom Parse_string
37 my $level = shift || 0 ;
39 my $sub = (caller($level + 1))[3] ;
40 local $Carp::CarpLevel = 1 ;
41 my $p = new Compress::Zlib::ParseParameters() ;
43 or croak "$sub: $p->{Error}" ;
52 my $obj = { Error => '',
56 #return bless $obj, ref($class) || $class || __PACKAGE__ ;
64 my $retval = @_ ? shift : undef ;
66 $self->{Error} = $error ;
73 # return $self->{Error} ;
82 my $got = $self->{Got} ;
83 my $firstTime = keys %{ $got } == 0 ;
88 # Allow the options to be passed as a hash reference or
89 # as the complete hash.
95 return $self->setError("Expected even number of parameters, got 1")
96 if ! defined $href or ! ref $href or ref $href ne "HASH" ;
98 foreach my $key (keys %$href) {
100 push @entered, \$href->{$key} ;
105 return $self->setError("Expected even number of parameters, got $count")
108 for my $i (0.. $count / 2 - 1) {
109 push @entered, $_[2* $i] ;
110 push @entered, \$_[2* $i+1] ;
115 while (my ($key, $v) = each %$default)
117 croak "need 4 params [@$v]"
120 my ($first_only, $sticky, $type, $value) = @$v ;
122 $self->_checkType($key, \$value, $type, 0, \$x)
127 if ($firstTime || ! $sticky) {
128 $got->{$key} = [0, $type, $value, $x, $first_only, $sticky] ;
131 $got->{$key}[OFF_PARSED] = 0 ;
134 for my $i (0.. @entered / 2 - 1) {
135 my $key = $entered[2* $i] ;
136 my $value = $entered[2* $i+1] ;
138 #print "Key [$key] Value [$value]" ;
139 #print defined $$value ? "[$$value]\n" : "[undef]\n";
142 my $canonkey = lc $key;
144 if ($got->{$canonkey} && ($firstTime ||
145 ! $got->{$canonkey}[OFF_FIRST_ONLY] ))
147 my $type = $got->{$canonkey}[OFF_TYPE] ;
149 $self->_checkType($key, $value, $type, 1, \$s)
151 #$value = $$value unless $type & Parse_store_ref ;
153 $got->{$canonkey} = [1, $type, $value, $s] ;
156 { push (@Bad, $key) }
160 my ($bad) = join(", ", @Bad) ;
161 return $self->setError("unknown key value(s) @Bad") ;
174 my $validate = shift ;
177 #local $Carp::CarpLevel = $level ;
178 #print "PARSE $type $key $value $validate $sub\n" ;
179 if ( $type & Parse_store_ref)
182 # if ref ${ $value } ;
190 if ($type & Parse_any)
195 elsif ($type & Parse_unsigned)
197 return $self->setError("Parameter '$key' must be an unsigned int, got 'undef'")
198 if $validate && ! defined $value ;
199 return $self->setError("Parameter '$key' must be an unsigned int, got '$value'")
200 if $validate && $value !~ /^\d+$/;
202 $$output = defined $value ? $value : 0 ;
205 elsif ($type & Parse_signed)
207 return $self->setError("Parameter '$key' must be a signed int, got 'undef'")
208 if $validate && ! defined $value ;
209 return $self->setError("Parameter '$key' must be a signed int, got '$value'")
210 if $validate && $value !~ /^-?\d+$/;
212 $$output = defined $value ? $value : 0 ;
215 elsif ($type & Parse_boolean)
217 return $self->setError("Parameter '$key' must be an int, got '$value'")
218 if $validate && defined $value && $value !~ /^\d*$/;
219 $$output = defined $value ? $value != 0 : 0 ;
222 elsif ($type & Parse_string)
224 $$output = defined $value ? $value : "" ;
239 return $self->{Got}{lc $name}[OFF_PARSED] ;
249 $self->{Got}{lc $name}[OFF_PARSED] = 1;
250 $self->{Got}{lc $name}[OFF_DEFAULT] = $_[0] ;
251 $self->{Got}{lc $name}[OFF_FIXED] = $_[0] ;
254 return $self->{Got}{lc $name}[OFF_FIXED] ;
261 my $default = shift ;
263 my $value = $self->{Got}{lc $name}[OFF_DEFAULT] ;
265 return $value if defined $value ;
274 return defined $self->{Got}{lc $name}[OFF_DEFAULT] ;
284 while (my ($k, $v) = each %{ $self->{Got} }) {
288 $obj->{Error} = $self->{Error};
289 $obj->{Got} = \%got ;