| 1 | |
| 2 | ############################################################################### |
| 3 | ## ## |
| 4 | ## Copyright (c) 2004 by Steffen Beyer. ## |
| 5 | ## All rights reserved. ## |
| 6 | ## ## |
| 7 | ## This package is free software; you can redistribute it ## |
| 8 | ## and/or modify it under the same terms as Perl itself. ## |
| 9 | ## ## |
| 10 | ############################################################################### |
| 11 | |
| 12 | package Bit::Vector::String; |
| 13 | |
| 14 | use strict; |
| 15 | use vars qw(@ISA @EXPORT @EXPORT_OK $VERSION); |
| 16 | |
| 17 | use Bit::Vector; |
| 18 | |
| 19 | require Exporter; |
| 20 | |
| 21 | @ISA = qw(Exporter Bit::Vector); |
| 22 | |
| 23 | @EXPORT = qw(); |
| 24 | |
| 25 | @EXPORT_OK = qw(); |
| 26 | |
| 27 | $VERSION = '6.4'; |
| 28 | |
| 29 | package Bit::Vector; |
| 30 | |
| 31 | use strict; |
| 32 | use Carp::Clan '^Bit::Vector\b'; |
| 33 | |
| 34 | my $Factor = log(10) / log(2); |
| 35 | |
| 36 | sub to_Oct |
| 37 | { |
| 38 | croak('Usage: $vector->to_Oct();') unless (@_ == 1); |
| 39 | my($self) = @_; |
| 40 | my($string) = ''; |
| 41 | local $@; |
| 42 | |
| 43 | eval { $string = reverse(join('', $self->Chunk_List_Read(3))); }; |
| 44 | if ($@) |
| 45 | { |
| 46 | $string = $@; |
| 47 | $string =~ s!^[A-Za-z0-9_]+(?:::[A-Za-z0-9_]+)*\(\):\s+!!; |
| 48 | $string =~ s!\s+at\s.*$!!; |
| 49 | croak($string); |
| 50 | } |
| 51 | return $string; |
| 52 | } |
| 53 | |
| 54 | sub from_Oct |
| 55 | { |
| 56 | croak('Usage: $vector->from_Oct($string);') unless (@_ == 2); |
| 57 | my($self,$string) = @_; |
| 58 | local $@; |
| 59 | |
| 60 | if ($string =~ /^[0-7]+$/) |
| 61 | { |
| 62 | eval { $self->Chunk_List_Store(3, split(//, reverse($string))); }; |
| 63 | if ($@) |
| 64 | { |
| 65 | $string = $@; |
| 66 | $string =~ s!^[A-Za-z0-9_]+(?:::[A-Za-z0-9_]+)*\(\):\s+!!; |
| 67 | $string =~ s!\s+at\s.*$!!; |
| 68 | croak($string); |
| 69 | } |
| 70 | } |
| 71 | else |
| 72 | { |
| 73 | croak("unknown string type"); |
| 74 | } |
| 75 | return $self; |
| 76 | } |
| 77 | |
| 78 | sub new_Oct |
| 79 | { |
| 80 | croak('Usage: Bit::Vector->new_Oct($bits,$string);') unless (@_ == 3); |
| 81 | my($class,$bits,$string) = @_; |
| 82 | my($self); |
| 83 | local $@; |
| 84 | |
| 85 | if ($string =~ /^[0-7]+$/) |
| 86 | { |
| 87 | unless (defined $bits) { $bits = 3 * length($string); } |
| 88 | eval { $self = Bit::Vector->new($bits); $self->Chunk_List_Store(3, split(//, reverse($string))); }; |
| 89 | if ($@) |
| 90 | { |
| 91 | $string = $@; |
| 92 | $string =~ s!^[A-Za-z0-9_]+(?:::[A-Za-z0-9_]+)*\(\):\s+!!; |
| 93 | $string =~ s!\s+at\s.*$!!; |
| 94 | croak($string); |
| 95 | } |
| 96 | } |
| 97 | else |
| 98 | { |
| 99 | croak("unknown string type"); |
| 100 | } |
| 101 | return $self; |
| 102 | } |
| 103 | |
| 104 | sub String_Export |
| 105 | { |
| 106 | croak('Usage: $vector->String_Export($type);') unless (@_ == 1 or @_ == 2); |
| 107 | my($self,$type) = @_; |
| 108 | my($string) = ''; |
| 109 | local $@; |
| 110 | |
| 111 | if (not defined $type or not $type) |
| 112 | { |
| 113 | eval { $string = '0x' . $self->to_Hex(); }; |
| 114 | } |
| 115 | elsif ($type eq '1' or $type =~ /^b(?:in)?$/i) |
| 116 | { |
| 117 | eval { $string = '0b' . $self->to_Bin(); }; |
| 118 | } |
| 119 | elsif ($type eq '2' or $type =~ /^o(?:ct)?$/i) |
| 120 | { |
| 121 | eval { $string = '0o' . reverse(join('', $self->Chunk_List_Read(3))); }; |
| 122 | } |
| 123 | elsif ($type eq '3' or $type =~ /^d(?:ec)?$/i) |
| 124 | { |
| 125 | eval { $string = $self->to_Dec(); }; |
| 126 | } |
| 127 | elsif ($type eq '4' or $type =~ /^(?:h(?:ex)?|x)$/i) |
| 128 | { |
| 129 | eval { $string = '0x' . $self->to_Hex(); }; |
| 130 | } |
| 131 | elsif ($type eq '5' or $type =~ /^e(?:num)?$/i) |
| 132 | { |
| 133 | eval { $string = '{' . $self->to_Enum() . '}'; }; |
| 134 | } |
| 135 | elsif ($type eq '6' or $type =~ /^p(?:ack)?$/i) |
| 136 | { |
| 137 | eval { $string = ':' . $self->Size() . ':' . $self->Block_Read(); }; |
| 138 | } |
| 139 | else |
| 140 | { |
| 141 | croak("unknown string type '$type'"); |
| 142 | } |
| 143 | if ($@) |
| 144 | { |
| 145 | $string = $@; |
| 146 | $string =~ s!^[A-Za-z0-9_]+(?:::[A-Za-z0-9_]+)*\(\):\s+!!; |
| 147 | $string =~ s!\s+at\s.*$!!; |
| 148 | croak($string); |
| 149 | } |
| 150 | return $string; |
| 151 | } |
| 152 | |
| 153 | sub String_Import |
| 154 | { |
| 155 | croak('Usage: $vector->String_Import($string);') unless (@_ == 2); |
| 156 | my($self,$string) = @_; |
| 157 | my($type) = 0; |
| 158 | local $@; |
| 159 | |
| 160 | if ($string =~ /^(?:0[bB])?([01]+)$/) |
| 161 | { |
| 162 | $type = 1; |
| 163 | eval { $self->from_Bin($1); }; |
| 164 | } |
| 165 | elsif ($string =~ /^(?:0[oO])?([0-7]+)$/) |
| 166 | { |
| 167 | $type = 2; |
| 168 | eval { $self->Chunk_List_Store(3, split(//, reverse($1))); }; |
| 169 | } |
| 170 | elsif ($string =~ /^(?:[+-])?[0-9]+$/) |
| 171 | { |
| 172 | $type = 3; |
| 173 | eval { $self->from_Dec($string); }; |
| 174 | } |
| 175 | elsif ($string =~ /^(?:0[hHxX])?([0-9A-Fa-f]+)$/) |
| 176 | { |
| 177 | $type = 4; |
| 178 | eval { $self->from_Hex($1); }; |
| 179 | } |
| 180 | elsif ($string =~ /^[(<{\[]?([0-9]+(?:-[0-9]+)?(?:,[0-9]+(?:-[0-9]+)?)*)[)>}\]]?$/) |
| 181 | { |
| 182 | $type = 5; |
| 183 | eval { $self->from_Enum($1); }; |
| 184 | } |
| 185 | elsif ($string =~ s!^:\d+:!!) |
| 186 | { |
| 187 | $type = 6; |
| 188 | eval { $self->Block_Store($string); }; |
| 189 | } |
| 190 | else |
| 191 | { |
| 192 | croak("unknown string type"); |
| 193 | } |
| 194 | if ($@) |
| 195 | { |
| 196 | $string = $@; |
| 197 | $string =~ s!^[A-Za-z0-9_]+(?:::[A-Za-z0-9_]+)*\(\):\s+!!; |
| 198 | $string =~ s!\s+at\s.*$!!; |
| 199 | croak($string); |
| 200 | } |
| 201 | return $type; |
| 202 | } |
| 203 | |
| 204 | sub new_String |
| 205 | { |
| 206 | croak('Usage: Bit::Vector->new_String($bits,$string);') unless (@_ == 3); |
| 207 | my($class,$bits,$string) = @_; |
| 208 | my($type) = 0; |
| 209 | my($self); |
| 210 | local $@; |
| 211 | |
| 212 | if ($string =~ /^(?:0[bB])?([01]+)$/) |
| 213 | { |
| 214 | $type = 1; |
| 215 | unless (defined $bits) { $bits = length($1); } |
| 216 | eval { $self = Bit::Vector->new_Bin($bits,$1); }; |
| 217 | } |
| 218 | elsif ($string =~ /^(?:0[oO])?([0-7]+)$/) |
| 219 | { |
| 220 | $type = 2; |
| 221 | unless (defined $bits) { $bits = 3 * length($1); } |
| 222 | eval { $self = Bit::Vector->new($bits); $self->Chunk_List_Store(3, split(//, reverse($1))); }; |
| 223 | } |
| 224 | elsif ($string =~ /^(?:[+-])?([0-9]+)$/) |
| 225 | { |
| 226 | $type = 3; |
| 227 | unless (defined $bits) { $bits = int( length($1) * $Factor + 1 ); } |
| 228 | eval { $self = Bit::Vector->new_Dec($bits,$string); }; |
| 229 | } |
| 230 | elsif ($string =~ /^(?:0[hHxX])?([0-9A-Fa-f]+)$/) |
| 231 | { |
| 232 | $type = 4; |
| 233 | unless (defined $bits) { $bits = 4 * length($1); } |
| 234 | eval { $self = Bit::Vector->new_Hex($bits,$1); }; |
| 235 | } |
| 236 | elsif ($string =~ /^[(<{\[]?([0-9]+(?:-[0-9]+)?(?:,[0-9]+(?:-[0-9]+)?)*)[)>}\]]?$/) |
| 237 | { |
| 238 | $type = 5; |
| 239 | $string = $1; |
| 240 | unless (defined $bits) |
| 241 | { |
| 242 | $bits = 0; |
| 243 | while ($string =~ /([0-9]+)/g) { $bits = $1 if ($1 > $bits); } |
| 244 | $bits++; |
| 245 | } |
| 246 | eval { $self = Bit::Vector->new_Enum($bits,$string); }; |
| 247 | } |
| 248 | elsif ($string =~ s!^:(\d+):!!) |
| 249 | { |
| 250 | $type = 6; |
| 251 | $bits = $1 unless (defined $bits); |
| 252 | eval { $self = Bit::Vector->new($bits); $self->Block_Store($string); }; |
| 253 | } |
| 254 | else |
| 255 | { |
| 256 | croak("unknown string type"); |
| 257 | } |
| 258 | if ($@) |
| 259 | { |
| 260 | $string = $@; |
| 261 | $string =~ s!^[A-Za-z0-9_]+(?:::[A-Za-z0-9_]+)*\(\):\s+!!; |
| 262 | $string =~ s!\s+at\s.*$!!; |
| 263 | croak($string); |
| 264 | } |
| 265 | if (wantarray) { return($self,$type); } |
| 266 | return $self; |
| 267 | } |
| 268 | |
| 269 | 1; |
| 270 | |
| 271 | __END__ |
| 272 | |