| Filename | /home/ss5/perl5/perlbrew/perls/perl-5.22.0/lib/5.22.0/IO/Uncompress/Base.pm |
| Statements | Executed 56 statements in 3.70ms |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 11µs | 25µs | IO::Uncompress::Base::BEGIN@428 |
| 1 | 1 | 1 | 8µs | 10µs | IO::Uncompress::Base::BEGIN@4 |
| 1 | 1 | 1 | 7µs | 91µs | IO::Uncompress::Base::BEGIN@17 |
| 1 | 1 | 1 | 7µs | 90µs | IO::Uncompress::Base::BEGIN@19 |
| 1 | 1 | 1 | 6µs | 18µs | IO::Uncompress::Base::BEGIN@90 |
| 1 | 1 | 1 | 6µs | 27µs | IO::Uncompress::Base::BEGIN@20 |
| 6 | 6 | 1 | 6µs | 6µs | IO::Uncompress::Base::_notAvailable |
| 1 | 1 | 1 | 4µs | 7µs | IO::Uncompress::Base::BEGIN@5 |
| 1 | 1 | 1 | 4µs | 26µs | IO::Uncompress::Base::BEGIN@14 |
| 1 | 1 | 1 | 4µs | 20µs | IO::Uncompress::Base::BEGIN@23 |
| 1 | 1 | 1 | 4µs | 20µs | IO::Uncompress::Base::BEGIN@15 |
| 1 | 1 | 1 | 3µs | 3µs | IO::Uncompress::Base::BEGIN@21 |
| 1 | 1 | 1 | 2µs | 2µs | IO::Uncompress::Base::BEGIN@22 |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::DESTROY |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::HeaderError |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::READLINE |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::TIEHANDLE |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::TrailerError |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::TruncatedHeader |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::TruncatedTrailer |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::UNTIE |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::__ANON__[:1497] |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::_create |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::_getline |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::_inf |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::_raw_read |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::_rd2 |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::_singleTarget |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::autoflush |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::binmode |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::checkParams |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::ckInputParam |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::clearError |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::close |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::closeError |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::croakError |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::eof |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::error |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::errorNo |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::fileno |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::filterUncompressed |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::getErrInfo |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::getHeaderInfo |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::getc |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::getline |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::getlines |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::gotoNextStream |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::input_line_number |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::nextStream |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::opened |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::postBlockChk |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::postCheckParams |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::pushBack |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::read |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::readBlock |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::reset |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::retErr |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::saveErrorString |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::saveStatus |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::seek |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::setErrInfo |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::smartEof |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::smartRead |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::smartReadExact |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::smartSeek |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::smartTell |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::smartWrite |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::streamCount |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::tell |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::trailingData |
| 0 | 0 | 0 | 0s | 0s | IO::Uncompress::Base::ungetc |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | |||||
| 2 | package IO::Uncompress::Base ; | ||||
| 3 | |||||
| 4 | 2 | 17µs | 2 | 11µs | # spent 10µs (8+1) within IO::Uncompress::Base::BEGIN@4 which was called:
# once (8µs+1µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 4 # spent 10µs making 1 call to IO::Uncompress::Base::BEGIN@4
# spent 1µs making 1 call to strict::import |
| 5 | 2 | 36µs | 2 | 10µs | # spent 7µs (4+3) within IO::Uncompress::Base::BEGIN@5 which was called:
# once (4µs+3µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 5 # spent 7µs making 1 call to IO::Uncompress::Base::BEGIN@5
# spent 3µs making 1 call to warnings::import |
| 6 | #use bytes; | ||||
| 7 | |||||
| 8 | our (@ISA, $VERSION, @EXPORT_OK, %EXPORT_TAGS); | ||||
| 9 | 1 | 12µs | @ISA = qw(Exporter IO::File); | ||
| 10 | |||||
| 11 | |||||
| 12 | 1 | 200ns | $VERSION = '2.068'; | ||
| 13 | |||||
| 14 | 2 | 16µs | 2 | 48µs | # spent 26µs (4+22) within IO::Uncompress::Base::BEGIN@14 which was called:
# once (4µs+22µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 14 # spent 26µs making 1 call to IO::Uncompress::Base::BEGIN@14
# spent 22µs making 1 call to constant::import |
| 15 | 2 | 15µs | 2 | 36µs | # spent 20µs (4+16) within IO::Uncompress::Base::BEGIN@15 which was called:
# once (4µs+16µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 15 # spent 20µs making 1 call to IO::Uncompress::Base::BEGIN@15
# spent 16µs making 1 call to constant::import |
| 16 | |||||
| 17 | 3 | 25µs | 3 | 175µs | # spent 91µs (7+84) within IO::Uncompress::Base::BEGIN@17 which was called:
# once (7µs+84µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 17 # spent 91µs making 1 call to IO::Uncompress::Base::BEGIN@17
# spent 79µs making 1 call to Exporter::import
# spent 5µs making 1 call to UNIVERSAL::VERSION |
| 18 | |||||
| 19 | 2 | 27µs | 2 | 173µs | # spent 90µs (7+83) within IO::Uncompress::Base::BEGIN@19 which was called:
# once (7µs+83µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 19 # spent 90µs making 1 call to IO::Uncompress::Base::BEGIN@19
# spent 83µs making 1 call to Exporter::import |
| 20 | 2 | 16µs | 2 | 48µs | # spent 27µs (6+21) within IO::Uncompress::Base::BEGIN@20 which was called:
# once (6µs+21µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 20 # spent 27µs making 1 call to IO::Uncompress::Base::BEGIN@20
# spent 21µs making 1 call to Exporter::import |
| 21 | 2 | 12µs | 1 | 3µs | # spent 3µs within IO::Uncompress::Base::BEGIN@21 which was called:
# once (3µs+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 21 # spent 3µs making 1 call to IO::Uncompress::Base::BEGIN@21 |
| 22 | 2 | 11µs | 1 | 2µs | # spent 2µs within IO::Uncompress::Base::BEGIN@22 which was called:
# once (2µs+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 22 # spent 2µs making 1 call to IO::Uncompress::Base::BEGIN@22 |
| 23 | 2 | 209µs | 2 | 37µs | # spent 20µs (4+16) within IO::Uncompress::Base::BEGIN@23 which was called:
# once (4µs+16µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 23 # spent 20µs making 1 call to IO::Uncompress::Base::BEGIN@23
# spent 16µs making 1 call to Exporter::import |
| 24 | |||||
| 25 | 1 | 700ns | %EXPORT_TAGS = ( ); | ||
| 26 | 1 | 1µs | push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ; | ||
| 27 | |||||
| 28 | sub smartRead | ||||
| 29 | { | ||||
| 30 | my $self = $_[0]; | ||||
| 31 | my $out = $_[1]; | ||||
| 32 | my $size = $_[2]; | ||||
| 33 | $$out = "" ; | ||||
| 34 | |||||
| 35 | my $offset = 0 ; | ||||
| 36 | my $status = 1; | ||||
| 37 | |||||
| 38 | |||||
| 39 | if (defined *$self->{InputLength}) { | ||||
| 40 | return 0 | ||||
| 41 | if *$self->{InputLengthRemaining} <= 0 ; | ||||
| 42 | $size = List::Util::min($size, *$self->{InputLengthRemaining}); | ||||
| 43 | } | ||||
| 44 | |||||
| 45 | if ( length *$self->{Prime} ) { | ||||
| 46 | $$out = substr(*$self->{Prime}, 0, $size) ; | ||||
| 47 | substr(*$self->{Prime}, 0, $size) = '' ; | ||||
| 48 | if (length $$out == $size) { | ||||
| 49 | *$self->{InputLengthRemaining} -= length $$out | ||||
| 50 | if defined *$self->{InputLength}; | ||||
| 51 | |||||
| 52 | return length $$out ; | ||||
| 53 | } | ||||
| 54 | $offset = length $$out ; | ||||
| 55 | } | ||||
| 56 | |||||
| 57 | my $get_size = $size - $offset ; | ||||
| 58 | |||||
| 59 | if (defined *$self->{FH}) { | ||||
| 60 | if ($offset) { | ||||
| 61 | # Not using this | ||||
| 62 | # | ||||
| 63 | # *$self->{FH}->read($$out, $get_size, $offset); | ||||
| 64 | # | ||||
| 65 | # because the filehandle may not support the offset parameter | ||||
| 66 | # An example is Net::FTP | ||||
| 67 | my $tmp = ''; | ||||
| 68 | $status = *$self->{FH}->read($tmp, $get_size) ; | ||||
| 69 | substr($$out, $offset) = $tmp | ||||
| 70 | if defined $status && $status > 0 ; | ||||
| 71 | } | ||||
| 72 | else | ||||
| 73 | { $status = *$self->{FH}->read($$out, $get_size) } | ||||
| 74 | } | ||||
| 75 | elsif (defined *$self->{InputEvent}) { | ||||
| 76 | my $got = 1 ; | ||||
| 77 | while (length $$out < $size) { | ||||
| 78 | last | ||||
| 79 | if ($got = *$self->{InputEvent}->($$out, $get_size)) <= 0; | ||||
| 80 | } | ||||
| 81 | |||||
| 82 | if (length $$out > $size ) { | ||||
| 83 | *$self->{Prime} = substr($$out, $size, length($$out)); | ||||
| 84 | substr($$out, $size, length($$out)) = ''; | ||||
| 85 | } | ||||
| 86 | |||||
| 87 | *$self->{EventEof} = 1 if $got <= 0 ; | ||||
| 88 | } | ||||
| 89 | else { | ||||
| 90 | 2 | 957µs | 2 | 29µs | # spent 18µs (6+11) within IO::Uncompress::Base::BEGIN@90 which was called:
# once (6µs+11µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 90 # spent 18µs making 1 call to IO::Uncompress::Base::BEGIN@90
# spent 11µs making 1 call to warnings::unimport |
| 91 | my $buf = *$self->{Buffer} ; | ||||
| 92 | $$buf = '' unless defined $$buf ; | ||||
| 93 | substr($$out, $offset) = substr($$buf, *$self->{BufferOffset}, $get_size); | ||||
| 94 | if (*$self->{ConsumeInput}) | ||||
| 95 | { substr($$buf, 0, $get_size) = '' } | ||||
| 96 | else | ||||
| 97 | { *$self->{BufferOffset} += length($$out) - $offset } | ||||
| 98 | } | ||||
| 99 | |||||
| 100 | *$self->{InputLengthRemaining} -= length($$out) #- $offset | ||||
| 101 | if defined *$self->{InputLength}; | ||||
| 102 | |||||
| 103 | if (! defined $status) { | ||||
| 104 | $self->saveStatus($!) ; | ||||
| 105 | return STATUS_ERROR; | ||||
| 106 | } | ||||
| 107 | |||||
| 108 | $self->saveStatus(length $$out < 0 ? STATUS_ERROR : STATUS_OK) ; | ||||
| 109 | |||||
| 110 | return length $$out; | ||||
| 111 | } | ||||
| 112 | |||||
| 113 | sub pushBack | ||||
| 114 | { | ||||
| 115 | my $self = shift ; | ||||
| 116 | |||||
| 117 | return if ! defined $_[0] || length $_[0] == 0 ; | ||||
| 118 | |||||
| 119 | if (defined *$self->{FH} || defined *$self->{InputEvent} ) { | ||||
| 120 | *$self->{Prime} = $_[0] . *$self->{Prime} ; | ||||
| 121 | *$self->{InputLengthRemaining} += length($_[0]); | ||||
| 122 | } | ||||
| 123 | else { | ||||
| 124 | my $len = length $_[0]; | ||||
| 125 | |||||
| 126 | if($len > *$self->{BufferOffset}) { | ||||
| 127 | *$self->{Prime} = substr($_[0], 0, $len - *$self->{BufferOffset}) . *$self->{Prime} ; | ||||
| 128 | *$self->{InputLengthRemaining} = *$self->{InputLength}; | ||||
| 129 | *$self->{BufferOffset} = 0 | ||||
| 130 | } | ||||
| 131 | else { | ||||
| 132 | *$self->{InputLengthRemaining} += length($_[0]); | ||||
| 133 | *$self->{BufferOffset} -= length($_[0]) ; | ||||
| 134 | } | ||||
| 135 | } | ||||
| 136 | } | ||||
| 137 | |||||
| 138 | sub smartSeek | ||||
| 139 | { | ||||
| 140 | my $self = shift ; | ||||
| 141 | my $offset = shift ; | ||||
| 142 | my $truncate = shift; | ||||
| 143 | my $position = shift || SEEK_SET; | ||||
| 144 | |||||
| 145 | # TODO -- need to take prime into account | ||||
| 146 | if (defined *$self->{FH}) | ||||
| 147 | { *$self->{FH}->seek($offset, $position) } | ||||
| 148 | else { | ||||
| 149 | if ($position == SEEK_END) { | ||||
| 150 | *$self->{BufferOffset} = length ${ *$self->{Buffer} } + $offset ; | ||||
| 151 | } | ||||
| 152 | elsif ($position == SEEK_CUR) { | ||||
| 153 | *$self->{BufferOffset} += $offset ; | ||||
| 154 | } | ||||
| 155 | else { | ||||
| 156 | *$self->{BufferOffset} = $offset ; | ||||
| 157 | } | ||||
| 158 | |||||
| 159 | substr(${ *$self->{Buffer} }, *$self->{BufferOffset}) = '' | ||||
| 160 | if $truncate; | ||||
| 161 | return 1; | ||||
| 162 | } | ||||
| 163 | } | ||||
| 164 | |||||
| 165 | sub smartTell | ||||
| 166 | { | ||||
| 167 | my $self = shift ; | ||||
| 168 | |||||
| 169 | if (defined *$self->{FH}) | ||||
| 170 | { return *$self->{FH}->tell() } | ||||
| 171 | else | ||||
| 172 | { return *$self->{BufferOffset} } | ||||
| 173 | } | ||||
| 174 | |||||
| 175 | sub smartWrite | ||||
| 176 | { | ||||
| 177 | my $self = shift ; | ||||
| 178 | my $out_data = shift ; | ||||
| 179 | |||||
| 180 | if (defined *$self->{FH}) { | ||||
| 181 | # flush needed for 5.8.0 | ||||
| 182 | defined *$self->{FH}->write($out_data, length $out_data) && | ||||
| 183 | defined *$self->{FH}->flush() ; | ||||
| 184 | } | ||||
| 185 | else { | ||||
| 186 | my $buf = *$self->{Buffer} ; | ||||
| 187 | substr($$buf, *$self->{BufferOffset}, length $out_data) = $out_data ; | ||||
| 188 | *$self->{BufferOffset} += length($out_data) ; | ||||
| 189 | return 1; | ||||
| 190 | } | ||||
| 191 | } | ||||
| 192 | |||||
| 193 | sub smartReadExact | ||||
| 194 | { | ||||
| 195 | return $_[0]->smartRead($_[1], $_[2]) == $_[2]; | ||||
| 196 | } | ||||
| 197 | |||||
| 198 | sub smartEof | ||||
| 199 | { | ||||
| 200 | my ($self) = $_[0]; | ||||
| 201 | local $.; | ||||
| 202 | |||||
| 203 | return 0 if length *$self->{Prime} || *$self->{PushMode}; | ||||
| 204 | |||||
| 205 | if (defined *$self->{FH}) | ||||
| 206 | { | ||||
| 207 | # Could use | ||||
| 208 | # | ||||
| 209 | # *$self->{FH}->eof() | ||||
| 210 | # | ||||
| 211 | # here, but this can cause trouble if | ||||
| 212 | # the filehandle is itself a tied handle, but it uses sysread. | ||||
| 213 | # Then we get into mixing buffered & non-buffered IO, | ||||
| 214 | # which will cause trouble | ||||
| 215 | |||||
| 216 | my $info = $self->getErrInfo(); | ||||
| 217 | |||||
| 218 | my $buffer = ''; | ||||
| 219 | my $status = $self->smartRead(\$buffer, 1); | ||||
| 220 | $self->pushBack($buffer) if length $buffer; | ||||
| 221 | $self->setErrInfo($info); | ||||
| 222 | |||||
| 223 | return $status == 0 ; | ||||
| 224 | } | ||||
| 225 | elsif (defined *$self->{InputEvent}) | ||||
| 226 | { *$self->{EventEof} } | ||||
| 227 | else | ||||
| 228 | { *$self->{BufferOffset} >= length(${ *$self->{Buffer} }) } | ||||
| 229 | } | ||||
| 230 | |||||
| 231 | sub clearError | ||||
| 232 | { | ||||
| 233 | my $self = shift ; | ||||
| 234 | |||||
| 235 | *$self->{ErrorNo} = 0 ; | ||||
| 236 | ${ *$self->{Error} } = '' ; | ||||
| 237 | } | ||||
| 238 | |||||
| 239 | sub getErrInfo | ||||
| 240 | { | ||||
| 241 | my $self = shift ; | ||||
| 242 | |||||
| 243 | return [ *$self->{ErrorNo}, ${ *$self->{Error} } ] ; | ||||
| 244 | } | ||||
| 245 | |||||
| 246 | sub setErrInfo | ||||
| 247 | { | ||||
| 248 | my $self = shift ; | ||||
| 249 | my $ref = shift; | ||||
| 250 | |||||
| 251 | *$self->{ErrorNo} = $ref->[0] ; | ||||
| 252 | ${ *$self->{Error} } = $ref->[1] ; | ||||
| 253 | } | ||||
| 254 | |||||
| 255 | sub saveStatus | ||||
| 256 | { | ||||
| 257 | my $self = shift ; | ||||
| 258 | my $errno = shift() + 0 ; | ||||
| 259 | |||||
| 260 | *$self->{ErrorNo} = $errno; | ||||
| 261 | ${ *$self->{Error} } = '' ; | ||||
| 262 | |||||
| 263 | return *$self->{ErrorNo} ; | ||||
| 264 | } | ||||
| 265 | |||||
| 266 | |||||
| 267 | sub saveErrorString | ||||
| 268 | { | ||||
| 269 | my $self = shift ; | ||||
| 270 | my $retval = shift ; | ||||
| 271 | |||||
| 272 | ${ *$self->{Error} } = shift ; | ||||
| 273 | *$self->{ErrorNo} = @_ ? shift() + 0 : STATUS_ERROR ; | ||||
| 274 | |||||
| 275 | return $retval; | ||||
| 276 | } | ||||
| 277 | |||||
| 278 | sub croakError | ||||
| 279 | { | ||||
| 280 | my $self = shift ; | ||||
| 281 | $self->saveErrorString(0, $_[0]); | ||||
| 282 | croak $_[0]; | ||||
| 283 | } | ||||
| 284 | |||||
| 285 | |||||
| 286 | sub closeError | ||||
| 287 | { | ||||
| 288 | my $self = shift ; | ||||
| 289 | my $retval = shift ; | ||||
| 290 | |||||
| 291 | my $errno = *$self->{ErrorNo}; | ||||
| 292 | my $error = ${ *$self->{Error} }; | ||||
| 293 | |||||
| 294 | $self->close(); | ||||
| 295 | |||||
| 296 | *$self->{ErrorNo} = $errno ; | ||||
| 297 | ${ *$self->{Error} } = $error ; | ||||
| 298 | |||||
| 299 | return $retval; | ||||
| 300 | } | ||||
| 301 | |||||
| 302 | sub error | ||||
| 303 | { | ||||
| 304 | my $self = shift ; | ||||
| 305 | return ${ *$self->{Error} } ; | ||||
| 306 | } | ||||
| 307 | |||||
| 308 | sub errorNo | ||||
| 309 | { | ||||
| 310 | my $self = shift ; | ||||
| 311 | return *$self->{ErrorNo}; | ||||
| 312 | } | ||||
| 313 | |||||
| 314 | sub HeaderError | ||||
| 315 | { | ||||
| 316 | my ($self) = shift; | ||||
| 317 | return $self->saveErrorString(undef, "Header Error: $_[0]", STATUS_ERROR); | ||||
| 318 | } | ||||
| 319 | |||||
| 320 | sub TrailerError | ||||
| 321 | { | ||||
| 322 | my ($self) = shift; | ||||
| 323 | return $self->saveErrorString(G_ERR, "Trailer Error: $_[0]", STATUS_ERROR); | ||||
| 324 | } | ||||
| 325 | |||||
| 326 | sub TruncatedHeader | ||||
| 327 | { | ||||
| 328 | my ($self) = shift; | ||||
| 329 | return $self->HeaderError("Truncated in $_[0] Section"); | ||||
| 330 | } | ||||
| 331 | |||||
| 332 | sub TruncatedTrailer | ||||
| 333 | { | ||||
| 334 | my ($self) = shift; | ||||
| 335 | return $self->TrailerError("Truncated in $_[0] Section"); | ||||
| 336 | } | ||||
| 337 | |||||
| 338 | sub postCheckParams | ||||
| 339 | { | ||||
| 340 | return 1; | ||||
| 341 | } | ||||
| 342 | |||||
| 343 | sub checkParams | ||||
| 344 | { | ||||
| 345 | my $self = shift ; | ||||
| 346 | my $class = shift ; | ||||
| 347 | |||||
| 348 | my $got = shift || IO::Compress::Base::Parameters::new(); | ||||
| 349 | |||||
| 350 | my $Valid = { | ||||
| 351 | 'blocksize' => [IO::Compress::Base::Common::Parse_unsigned, 16 * 1024], | ||||
| 352 | 'autoclose' => [IO::Compress::Base::Common::Parse_boolean, 0], | ||||
| 353 | 'strict' => [IO::Compress::Base::Common::Parse_boolean, 0], | ||||
| 354 | 'append' => [IO::Compress::Base::Common::Parse_boolean, 0], | ||||
| 355 | 'prime' => [IO::Compress::Base::Common::Parse_any, undef], | ||||
| 356 | 'multistream' => [IO::Compress::Base::Common::Parse_boolean, 0], | ||||
| 357 | 'transparent' => [IO::Compress::Base::Common::Parse_any, 1], | ||||
| 358 | 'scan' => [IO::Compress::Base::Common::Parse_boolean, 0], | ||||
| 359 | 'inputlength' => [IO::Compress::Base::Common::Parse_unsigned, undef], | ||||
| 360 | 'binmodeout' => [IO::Compress::Base::Common::Parse_boolean, 0], | ||||
| 361 | #'decode' => [IO::Compress::Base::Common::Parse_any, undef], | ||||
| 362 | |||||
| 363 | #'consumeinput' => [IO::Compress::Base::Common::Parse_boolean, 0], | ||||
| 364 | |||||
| 365 | $self->getExtraParams(), | ||||
| 366 | |||||
| 367 | #'Todo - Revert to ordinary file on end Z_STREAM_END'=> 0, | ||||
| 368 | # ContinueAfterEof | ||||
| 369 | } ; | ||||
| 370 | |||||
| 371 | $Valid->{trailingdata} = [IO::Compress::Base::Common::Parse_writable_scalar, undef] | ||||
| 372 | if *$self->{OneShot} ; | ||||
| 373 | |||||
| 374 | $got->parse($Valid, @_ ) | ||||
| 375 | or $self->croakError("${class}: " . $got->getError()) ; | ||||
| 376 | |||||
| 377 | $self->postCheckParams($got) | ||||
| 378 | or $self->croakError("${class}: " . $self->error()) ; | ||||
| 379 | |||||
| 380 | return $got; | ||||
| 381 | } | ||||
| 382 | |||||
| 383 | sub _create | ||||
| 384 | { | ||||
| 385 | my $obj = shift; | ||||
| 386 | my $got = shift; | ||||
| 387 | my $append_mode = shift ; | ||||
| 388 | |||||
| 389 | my $class = ref $obj; | ||||
| 390 | $obj->croakError("$class: Missing Input parameter") | ||||
| 391 | if ! @_ && ! $got ; | ||||
| 392 | |||||
| 393 | my $inValue = shift ; | ||||
| 394 | |||||
| 395 | *$obj->{OneShot} = 0 ; | ||||
| 396 | |||||
| 397 | if (! $got) | ||||
| 398 | { | ||||
| 399 | $got = $obj->checkParams($class, undef, @_) | ||||
| 400 | or return undef ; | ||||
| 401 | } | ||||
| 402 | |||||
| 403 | my $inType = whatIsInput($inValue, 1); | ||||
| 404 | |||||
| 405 | $obj->ckInputParam($class, $inValue, 1) | ||||
| 406 | or return undef ; | ||||
| 407 | |||||
| 408 | *$obj->{InNew} = 1; | ||||
| 409 | |||||
| 410 | $obj->ckParams($got) | ||||
| 411 | or $obj->croakError("${class}: " . *$obj->{Error}); | ||||
| 412 | |||||
| 413 | if ($inType eq 'buffer' || $inType eq 'code') { | ||||
| 414 | *$obj->{Buffer} = $inValue ; | ||||
| 415 | *$obj->{InputEvent} = $inValue | ||||
| 416 | if $inType eq 'code' ; | ||||
| 417 | } | ||||
| 418 | else { | ||||
| 419 | if ($inType eq 'handle') { | ||||
| 420 | *$obj->{FH} = $inValue ; | ||||
| 421 | *$obj->{Handle} = 1 ; | ||||
| 422 | |||||
| 423 | # Need to rewind for Scan | ||||
| 424 | *$obj->{FH}->seek(0, SEEK_SET) | ||||
| 425 | if $got->getValue('scan'); | ||||
| 426 | } | ||||
| 427 | else { | ||||
| 428 | 2 | 2.32ms | 2 | 38µs | # spent 25µs (11+13) within IO::Uncompress::Base::BEGIN@428 which was called:
# once (11µs+13µs) by IO::Uncompress::RawInflate::BEGIN@11 at line 428 # spent 25µs making 1 call to IO::Uncompress::Base::BEGIN@428
# spent 13µs making 1 call to warnings::unimport |
| 429 | my $mode = '<'; | ||||
| 430 | $mode = '+<' if $got->getValue('scan'); | ||||
| 431 | *$obj->{StdIO} = ($inValue eq '-'); | ||||
| 432 | *$obj->{FH} = new IO::File "$mode $inValue" | ||||
| 433 | or return $obj->saveErrorString(undef, "cannot open file '$inValue': $!", $!) ; | ||||
| 434 | } | ||||
| 435 | |||||
| 436 | *$obj->{LineNo} = $. = 0; | ||||
| 437 | setBinModeInput(*$obj->{FH}) ; | ||||
| 438 | |||||
| 439 | my $buff = "" ; | ||||
| 440 | *$obj->{Buffer} = \$buff ; | ||||
| 441 | } | ||||
| 442 | |||||
| 443 | # if ($got->getValue('decode')) { | ||||
| 444 | # my $want_encoding = $got->getValue('decode'); | ||||
| 445 | # *$obj->{Encoding} = IO::Compress::Base::Common::getEncoding($obj, $class, $want_encoding); | ||||
| 446 | # } | ||||
| 447 | # else { | ||||
| 448 | # *$obj->{Encoding} = undef; | ||||
| 449 | # } | ||||
| 450 | |||||
| 451 | *$obj->{InputLength} = $got->parsed('inputlength') | ||||
| 452 | ? $got->getValue('inputlength') | ||||
| 453 | : undef ; | ||||
| 454 | *$obj->{InputLengthRemaining} = $got->getValue('inputlength'); | ||||
| 455 | *$obj->{BufferOffset} = 0 ; | ||||
| 456 | *$obj->{AutoClose} = $got->getValue('autoclose'); | ||||
| 457 | *$obj->{Strict} = $got->getValue('strict'); | ||||
| 458 | *$obj->{BlockSize} = $got->getValue('blocksize'); | ||||
| 459 | *$obj->{Append} = $got->getValue('append'); | ||||
| 460 | *$obj->{AppendOutput} = $append_mode || $got->getValue('append'); | ||||
| 461 | *$obj->{ConsumeInput} = $got->getValue('consumeinput'); | ||||
| 462 | *$obj->{Transparent} = $got->getValue('transparent'); | ||||
| 463 | *$obj->{MultiStream} = $got->getValue('multistream'); | ||||
| 464 | |||||
| 465 | # TODO - move these two into RawDeflate | ||||
| 466 | *$obj->{Scan} = $got->getValue('scan'); | ||||
| 467 | *$obj->{ParseExtra} = $got->getValue('parseextra') | ||||
| 468 | || $got->getValue('strict') ; | ||||
| 469 | *$obj->{Type} = ''; | ||||
| 470 | *$obj->{Prime} = $got->getValue('prime') || '' ; | ||||
| 471 | *$obj->{Pending} = ''; | ||||
| 472 | *$obj->{Plain} = 0; | ||||
| 473 | *$obj->{PlainBytesRead} = 0; | ||||
| 474 | *$obj->{InflatedBytesRead} = 0; | ||||
| 475 | *$obj->{UnCompSize} = new U64; | ||||
| 476 | *$obj->{CompSize} = new U64; | ||||
| 477 | *$obj->{TotalInflatedBytesRead} = 0; | ||||
| 478 | *$obj->{NewStream} = 0 ; | ||||
| 479 | *$obj->{EventEof} = 0 ; | ||||
| 480 | *$obj->{ClassName} = $class ; | ||||
| 481 | *$obj->{Params} = $got ; | ||||
| 482 | |||||
| 483 | if (*$obj->{ConsumeInput}) { | ||||
| 484 | *$obj->{InNew} = 0; | ||||
| 485 | *$obj->{Closed} = 0; | ||||
| 486 | return $obj | ||||
| 487 | } | ||||
| 488 | |||||
| 489 | my $status = $obj->mkUncomp($got); | ||||
| 490 | |||||
| 491 | return undef | ||||
| 492 | unless defined $status; | ||||
| 493 | |||||
| 494 | *$obj->{InNew} = 0; | ||||
| 495 | *$obj->{Closed} = 0; | ||||
| 496 | |||||
| 497 | if ($status) { | ||||
| 498 | # Need to try uncompressing to catch the case | ||||
| 499 | # where the compressed file uncompresses to an | ||||
| 500 | # empty string - so eof is set immediately. | ||||
| 501 | |||||
| 502 | my $out_buffer = ''; | ||||
| 503 | |||||
| 504 | $status = $obj->read(\$out_buffer); | ||||
| 505 | |||||
| 506 | if ($status < 0) { | ||||
| 507 | *$obj->{ReadStatus} = [ $status, $obj->error(), $obj->errorNo() ]; | ||||
| 508 | } | ||||
| 509 | |||||
| 510 | $obj->ungetc($out_buffer) | ||||
| 511 | if length $out_buffer; | ||||
| 512 | } | ||||
| 513 | else { | ||||
| 514 | return undef | ||||
| 515 | unless *$obj->{Transparent}; | ||||
| 516 | |||||
| 517 | $obj->clearError(); | ||||
| 518 | *$obj->{Type} = 'plain'; | ||||
| 519 | *$obj->{Plain} = 1; | ||||
| 520 | $obj->pushBack(*$obj->{HeaderPending}) ; | ||||
| 521 | } | ||||
| 522 | |||||
| 523 | push @{ *$obj->{InfoList} }, *$obj->{Info} ; | ||||
| 524 | |||||
| 525 | $obj->saveStatus(STATUS_OK) ; | ||||
| 526 | *$obj->{InNew} = 0; | ||||
| 527 | *$obj->{Closed} = 0; | ||||
| 528 | |||||
| 529 | return $obj; | ||||
| 530 | } | ||||
| 531 | |||||
| 532 | sub ckInputParam | ||||
| 533 | { | ||||
| 534 | my $self = shift ; | ||||
| 535 | my $from = shift ; | ||||
| 536 | my $inType = whatIsInput($_[0], $_[1]); | ||||
| 537 | |||||
| 538 | $self->croakError("$from: input parameter not a filename, filehandle, array ref or scalar ref") | ||||
| 539 | if ! $inType ; | ||||
| 540 | |||||
| 541 | # if ($inType eq 'filename' ) | ||||
| 542 | # { | ||||
| 543 | # return $self->saveErrorString(1, "$from: input filename is undef or null string", STATUS_ERROR) | ||||
| 544 | # if ! defined $_[0] || $_[0] eq '' ; | ||||
| 545 | # | ||||
| 546 | # if ($_[0] ne '-' && ! -e $_[0] ) | ||||
| 547 | # { | ||||
| 548 | # return $self->saveErrorString(1, | ||||
| 549 | # "input file '$_[0]' does not exist", STATUS_ERROR); | ||||
| 550 | # } | ||||
| 551 | # } | ||||
| 552 | |||||
| 553 | return 1; | ||||
| 554 | } | ||||
| 555 | |||||
| 556 | |||||
| 557 | sub _inf | ||||
| 558 | { | ||||
| 559 | my $obj = shift ; | ||||
| 560 | |||||
| 561 | my $class = (caller)[0] ; | ||||
| 562 | my $name = (caller(1))[3] ; | ||||
| 563 | |||||
| 564 | $obj->croakError("$name: expected at least 1 parameters\n") | ||||
| 565 | unless @_ >= 1 ; | ||||
| 566 | |||||
| 567 | my $input = shift ; | ||||
| 568 | my $haveOut = @_ ; | ||||
| 569 | my $output = shift ; | ||||
| 570 | |||||
| 571 | |||||
| 572 | my $x = new IO::Compress::Base::Validator($class, *$obj->{Error}, $name, $input, $output) | ||||
| 573 | or return undef ; | ||||
| 574 | |||||
| 575 | push @_, $output if $haveOut && $x->{Hash}; | ||||
| 576 | |||||
| 577 | *$obj->{OneShot} = 1 ; | ||||
| 578 | |||||
| 579 | my $got = $obj->checkParams($name, undef, @_) | ||||
| 580 | or return undef ; | ||||
| 581 | |||||
| 582 | if ($got->parsed('trailingdata')) | ||||
| 583 | { | ||||
| 584 | # my $value = $got->valueRef('TrailingData'); | ||||
| 585 | # warn "TD $value "; | ||||
| 586 | # #$value = $$value; | ||||
| 587 | ## warn "TD $value $$value "; | ||||
| 588 | # | ||||
| 589 | # return retErr($obj, "Parameter 'TrailingData' not writable") | ||||
| 590 | # if readonly $$value ; | ||||
| 591 | # | ||||
| 592 | # if (ref $$value) | ||||
| 593 | # { | ||||
| 594 | # return retErr($obj,"Parameter 'TrailingData' not a scalar reference") | ||||
| 595 | # if ref $$value ne 'SCALAR' ; | ||||
| 596 | # | ||||
| 597 | # *$obj->{TrailingData} = $$value ; | ||||
| 598 | # } | ||||
| 599 | # else | ||||
| 600 | # { | ||||
| 601 | # return retErr($obj,"Parameter 'TrailingData' not a scalar") | ||||
| 602 | # if ref $value ne 'SCALAR' ; | ||||
| 603 | # | ||||
| 604 | # *$obj->{TrailingData} = $value ; | ||||
| 605 | # } | ||||
| 606 | |||||
| 607 | *$obj->{TrailingData} = $got->getValue('trailingdata'); | ||||
| 608 | } | ||||
| 609 | |||||
| 610 | *$obj->{MultiStream} = $got->getValue('multistream'); | ||||
| 611 | $got->setValue('multistream', 0); | ||||
| 612 | |||||
| 613 | $x->{Got} = $got ; | ||||
| 614 | |||||
| 615 | # if ($x->{Hash}) | ||||
| 616 | # { | ||||
| 617 | # while (my($k, $v) = each %$input) | ||||
| 618 | # { | ||||
| 619 | # $v = \$input->{$k} | ||||
| 620 | # unless defined $v ; | ||||
| 621 | # | ||||
| 622 | # $obj->_singleTarget($x, $k, $v, @_) | ||||
| 623 | # or return undef ; | ||||
| 624 | # } | ||||
| 625 | # | ||||
| 626 | # return keys %$input ; | ||||
| 627 | # } | ||||
| 628 | |||||
| 629 | if ($x->{GlobMap}) | ||||
| 630 | { | ||||
| 631 | $x->{oneInput} = 1 ; | ||||
| 632 | foreach my $pair (@{ $x->{Pairs} }) | ||||
| 633 | { | ||||
| 634 | my ($from, $to) = @$pair ; | ||||
| 635 | $obj->_singleTarget($x, $from, $to, @_) | ||||
| 636 | or return undef ; | ||||
| 637 | } | ||||
| 638 | |||||
| 639 | return scalar @{ $x->{Pairs} } ; | ||||
| 640 | } | ||||
| 641 | |||||
| 642 | if (! $x->{oneOutput} ) | ||||
| 643 | { | ||||
| 644 | my $inFile = ($x->{inType} eq 'filenames' | ||||
| 645 | || $x->{inType} eq 'filename'); | ||||
| 646 | |||||
| 647 | $x->{inType} = $inFile ? 'filename' : 'buffer'; | ||||
| 648 | |||||
| 649 | foreach my $in ($x->{oneInput} ? $input : @$input) | ||||
| 650 | { | ||||
| 651 | my $out ; | ||||
| 652 | $x->{oneInput} = 1 ; | ||||
| 653 | |||||
| 654 | $obj->_singleTarget($x, $in, $output, @_) | ||||
| 655 | or return undef ; | ||||
| 656 | } | ||||
| 657 | |||||
| 658 | return 1 ; | ||||
| 659 | } | ||||
| 660 | |||||
| 661 | # finally the 1 to 1 and n to 1 | ||||
| 662 | return $obj->_singleTarget($x, $input, $output, @_); | ||||
| 663 | |||||
| 664 | croak "should not be here" ; | ||||
| 665 | } | ||||
| 666 | |||||
| 667 | sub retErr | ||||
| 668 | { | ||||
| 669 | my $x = shift ; | ||||
| 670 | my $string = shift ; | ||||
| 671 | |||||
| 672 | ${ $x->{Error} } = $string ; | ||||
| 673 | |||||
| 674 | return undef ; | ||||
| 675 | } | ||||
| 676 | |||||
| 677 | sub _singleTarget | ||||
| 678 | { | ||||
| 679 | my $self = shift ; | ||||
| 680 | my $x = shift ; | ||||
| 681 | my $input = shift; | ||||
| 682 | my $output = shift; | ||||
| 683 | |||||
| 684 | my $buff = ''; | ||||
| 685 | $x->{buff} = \$buff ; | ||||
| 686 | |||||
| 687 | my $fh ; | ||||
| 688 | if ($x->{outType} eq 'filename') { | ||||
| 689 | my $mode = '>' ; | ||||
| 690 | $mode = '>>' | ||||
| 691 | if $x->{Got}->getValue('append') ; | ||||
| 692 | $x->{fh} = new IO::File "$mode $output" | ||||
| 693 | or return retErr($x, "cannot open file '$output': $!") ; | ||||
| 694 | binmode $x->{fh} if $x->{Got}->valueOrDefault('binmodeout'); | ||||
| 695 | |||||
| 696 | } | ||||
| 697 | |||||
| 698 | elsif ($x->{outType} eq 'handle') { | ||||
| 699 | $x->{fh} = $output; | ||||
| 700 | binmode $x->{fh} if $x->{Got}->valueOrDefault('binmodeout'); | ||||
| 701 | if ($x->{Got}->getValue('append')) { | ||||
| 702 | seek($x->{fh}, 0, SEEK_END) | ||||
| 703 | or return retErr($x, "Cannot seek to end of output filehandle: $!") ; | ||||
| 704 | } | ||||
| 705 | } | ||||
| 706 | |||||
| 707 | |||||
| 708 | elsif ($x->{outType} eq 'buffer' ) | ||||
| 709 | { | ||||
| 710 | $$output = '' | ||||
| 711 | unless $x->{Got}->getValue('append'); | ||||
| 712 | $x->{buff} = $output ; | ||||
| 713 | } | ||||
| 714 | |||||
| 715 | if ($x->{oneInput}) | ||||
| 716 | { | ||||
| 717 | defined $self->_rd2($x, $input, $output) | ||||
| 718 | or return undef; | ||||
| 719 | } | ||||
| 720 | else | ||||
| 721 | { | ||||
| 722 | for my $element ( ($x->{inType} eq 'hash') ? keys %$input : @$input) | ||||
| 723 | { | ||||
| 724 | defined $self->_rd2($x, $element, $output) | ||||
| 725 | or return undef ; | ||||
| 726 | } | ||||
| 727 | } | ||||
| 728 | |||||
| 729 | |||||
| 730 | if ( ($x->{outType} eq 'filename' && $output ne '-') || | ||||
| 731 | ($x->{outType} eq 'handle' && $x->{Got}->getValue('autoclose'))) { | ||||
| 732 | $x->{fh}->close() | ||||
| 733 | or return retErr($x, $!); | ||||
| 734 | delete $x->{fh}; | ||||
| 735 | } | ||||
| 736 | |||||
| 737 | return 1 ; | ||||
| 738 | } | ||||
| 739 | |||||
| 740 | sub _rd2 | ||||
| 741 | { | ||||
| 742 | my $self = shift ; | ||||
| 743 | my $x = shift ; | ||||
| 744 | my $input = shift; | ||||
| 745 | my $output = shift; | ||||
| 746 | |||||
| 747 | my $z = IO::Compress::Base::Common::createSelfTiedObject($x->{Class}, *$self->{Error}); | ||||
| 748 | |||||
| 749 | $z->_create($x->{Got}, 1, $input, @_) | ||||
| 750 | or return undef ; | ||||
| 751 | |||||
| 752 | my $status ; | ||||
| 753 | my $fh = $x->{fh}; | ||||
| 754 | |||||
| 755 | while (1) { | ||||
| 756 | |||||
| 757 | while (($status = $z->read($x->{buff})) > 0) { | ||||
| 758 | if ($fh) { | ||||
| 759 | local $\; | ||||
| 760 | print $fh ${ $x->{buff} } | ||||
| 761 | or return $z->saveErrorString(undef, "Error writing to output file: $!", $!); | ||||
| 762 | ${ $x->{buff} } = '' ; | ||||
| 763 | } | ||||
| 764 | } | ||||
| 765 | |||||
| 766 | if (! $x->{oneOutput} ) { | ||||
| 767 | my $ot = $x->{outType} ; | ||||
| 768 | |||||
| 769 | if ($ot eq 'array') | ||||
| 770 | { push @$output, $x->{buff} } | ||||
| 771 | elsif ($ot eq 'hash') | ||||
| 772 | { $output->{$input} = $x->{buff} } | ||||
| 773 | |||||
| 774 | my $buff = ''; | ||||
| 775 | $x->{buff} = \$buff; | ||||
| 776 | } | ||||
| 777 | |||||
| 778 | last if $status < 0 || $z->smartEof(); | ||||
| 779 | |||||
| 780 | last | ||||
| 781 | unless *$self->{MultiStream}; | ||||
| 782 | |||||
| 783 | $status = $z->nextStream(); | ||||
| 784 | |||||
| 785 | last | ||||
| 786 | unless $status == 1 ; | ||||
| 787 | } | ||||
| 788 | |||||
| 789 | return $z->closeError(undef) | ||||
| 790 | if $status < 0 ; | ||||
| 791 | |||||
| 792 | ${ *$self->{TrailingData} } = $z->trailingData() | ||||
| 793 | if defined *$self->{TrailingData} ; | ||||
| 794 | |||||
| 795 | $z->close() | ||||
| 796 | or return undef ; | ||||
| 797 | |||||
| 798 | return 1 ; | ||||
| 799 | } | ||||
| 800 | |||||
| 801 | sub TIEHANDLE | ||||
| 802 | { | ||||
| 803 | return $_[0] if ref($_[0]); | ||||
| 804 | die "OOPS\n" ; | ||||
| 805 | |||||
| 806 | } | ||||
| 807 | |||||
| 808 | sub UNTIE | ||||
| 809 | { | ||||
| 810 | my $self = shift ; | ||||
| 811 | } | ||||
| 812 | |||||
| 813 | |||||
| 814 | sub getHeaderInfo | ||||
| 815 | { | ||||
| 816 | my $self = shift ; | ||||
| 817 | wantarray ? @{ *$self->{InfoList} } : *$self->{Info}; | ||||
| 818 | } | ||||
| 819 | |||||
| 820 | sub readBlock | ||||
| 821 | { | ||||
| 822 | my $self = shift ; | ||||
| 823 | my $buff = shift ; | ||||
| 824 | my $size = shift ; | ||||
| 825 | |||||
| 826 | if (defined *$self->{CompressedInputLength}) { | ||||
| 827 | if (*$self->{CompressedInputLengthRemaining} == 0) { | ||||
| 828 | delete *$self->{CompressedInputLength}; | ||||
| 829 | *$self->{CompressedInputLengthDone} = 1; | ||||
| 830 | return STATUS_OK ; | ||||
| 831 | } | ||||
| 832 | $size = List::Util::min($size, *$self->{CompressedInputLengthRemaining} ); | ||||
| 833 | *$self->{CompressedInputLengthRemaining} -= $size ; | ||||
| 834 | } | ||||
| 835 | |||||
| 836 | my $status = $self->smartRead($buff, $size) ; | ||||
| 837 | return $self->saveErrorString(STATUS_ERROR, "Error Reading Data: $!", $!) | ||||
| 838 | if $status == STATUS_ERROR ; | ||||
| 839 | |||||
| 840 | if ($status == 0 ) { | ||||
| 841 | *$self->{Closed} = 1 ; | ||||
| 842 | *$self->{EndStream} = 1 ; | ||||
| 843 | return $self->saveErrorString(STATUS_ERROR, "unexpected end of file", STATUS_ERROR); | ||||
| 844 | } | ||||
| 845 | |||||
| 846 | return STATUS_OK; | ||||
| 847 | } | ||||
| 848 | |||||
| 849 | sub postBlockChk | ||||
| 850 | { | ||||
| 851 | return STATUS_OK; | ||||
| 852 | } | ||||
| 853 | |||||
| 854 | sub _raw_read | ||||
| 855 | { | ||||
| 856 | # return codes | ||||
| 857 | # >0 - ok, number of bytes read | ||||
| 858 | # =0 - ok, eof | ||||
| 859 | # <0 - not ok | ||||
| 860 | |||||
| 861 | my $self = shift ; | ||||
| 862 | |||||
| 863 | return G_EOF if *$self->{Closed} ; | ||||
| 864 | return G_EOF if *$self->{EndStream} ; | ||||
| 865 | |||||
| 866 | my $buffer = shift ; | ||||
| 867 | my $scan_mode = shift ; | ||||
| 868 | |||||
| 869 | if (*$self->{Plain}) { | ||||
| 870 | my $tmp_buff ; | ||||
| 871 | my $len = $self->smartRead(\$tmp_buff, *$self->{BlockSize}) ; | ||||
| 872 | |||||
| 873 | return $self->saveErrorString(G_ERR, "Error reading data: $!", $!) | ||||
| 874 | if $len == STATUS_ERROR ; | ||||
| 875 | |||||
| 876 | if ($len == 0 ) { | ||||
| 877 | *$self->{EndStream} = 1 ; | ||||
| 878 | } | ||||
| 879 | else { | ||||
| 880 | *$self->{PlainBytesRead} += $len ; | ||||
| 881 | $$buffer .= $tmp_buff; | ||||
| 882 | } | ||||
| 883 | |||||
| 884 | return $len ; | ||||
| 885 | } | ||||
| 886 | |||||
| 887 | if (*$self->{NewStream}) { | ||||
| 888 | |||||
| 889 | $self->gotoNextStream() > 0 | ||||
| 890 | or return G_ERR; | ||||
| 891 | |||||
| 892 | # For the headers that actually uncompressed data, put the | ||||
| 893 | # uncompressed data into the output buffer. | ||||
| 894 | $$buffer .= *$self->{Pending} ; | ||||
| 895 | my $len = length *$self->{Pending} ; | ||||
| 896 | *$self->{Pending} = ''; | ||||
| 897 | return $len; | ||||
| 898 | } | ||||
| 899 | |||||
| 900 | my $temp_buf = ''; | ||||
| 901 | my $outSize = 0; | ||||
| 902 | my $status = $self->readBlock(\$temp_buf, *$self->{BlockSize}, $outSize) ; | ||||
| 903 | |||||
| 904 | return G_ERR | ||||
| 905 | if $status == STATUS_ERROR ; | ||||
| 906 | |||||
| 907 | my $buf_len = 0; | ||||
| 908 | if ($status == STATUS_OK) { | ||||
| 909 | my $beforeC_len = length $temp_buf; | ||||
| 910 | my $before_len = defined $$buffer ? length $$buffer : 0 ; | ||||
| 911 | $status = *$self->{Uncomp}->uncompr(\$temp_buf, $buffer, | ||||
| 912 | defined *$self->{CompressedInputLengthDone} || | ||||
| 913 | $self->smartEof(), $outSize); | ||||
| 914 | |||||
| 915 | # Remember the input buffer if it wasn't consumed completely | ||||
| 916 | $self->pushBack($temp_buf) if *$self->{Uncomp}{ConsumesInput}; | ||||
| 917 | |||||
| 918 | return $self->saveErrorString(G_ERR, *$self->{Uncomp}{Error}, *$self->{Uncomp}{ErrorNo}) | ||||
| 919 | if $self->saveStatus($status) == STATUS_ERROR; | ||||
| 920 | |||||
| 921 | $self->postBlockChk($buffer, $before_len) == STATUS_OK | ||||
| 922 | or return G_ERR; | ||||
| 923 | |||||
| 924 | $buf_len = defined $$buffer ? length($$buffer) - $before_len : 0; | ||||
| 925 | |||||
| 926 | *$self->{CompSize}->add($beforeC_len - length $temp_buf) ; | ||||
| 927 | |||||
| 928 | *$self->{InflatedBytesRead} += $buf_len ; | ||||
| 929 | *$self->{TotalInflatedBytesRead} += $buf_len ; | ||||
| 930 | *$self->{UnCompSize}->add($buf_len) ; | ||||
| 931 | |||||
| 932 | $self->filterUncompressed($buffer, $before_len); | ||||
| 933 | |||||
| 934 | # if (*$self->{Encoding}) { | ||||
| 935 | # use Encode ; | ||||
| 936 | # *$self->{PendingDecode} .= substr($$buffer, $before_len) ; | ||||
| 937 | # my $got = *$self->{Encoding}->decode(*$self->{PendingDecode}, Encode::FB_QUIET) ; | ||||
| 938 | # substr($$buffer, $before_len) = $got; | ||||
| 939 | # } | ||||
| 940 | } | ||||
| 941 | |||||
| 942 | if ($status == STATUS_ENDSTREAM) { | ||||
| 943 | |||||
| 944 | *$self->{EndStream} = 1 ; | ||||
| 945 | |||||
| 946 | my $trailer; | ||||
| 947 | my $trailer_size = *$self->{Info}{TrailerLength} ; | ||||
| 948 | my $got = 0; | ||||
| 949 | if (*$self->{Info}{TrailerLength}) | ||||
| 950 | { | ||||
| 951 | $got = $self->smartRead(\$trailer, $trailer_size) ; | ||||
| 952 | } | ||||
| 953 | |||||
| 954 | if ($got == $trailer_size) { | ||||
| 955 | $self->chkTrailer($trailer) == STATUS_OK | ||||
| 956 | or return G_ERR; | ||||
| 957 | } | ||||
| 958 | else { | ||||
| 959 | return $self->TrailerError("trailer truncated. Expected " . | ||||
| 960 | "$trailer_size bytes, got $got") | ||||
| 961 | if *$self->{Strict}; | ||||
| 962 | $self->pushBack($trailer) ; | ||||
| 963 | } | ||||
| 964 | |||||
| 965 | # TODO - if want file pointer, do it here | ||||
| 966 | |||||
| 967 | if (! $self->smartEof()) { | ||||
| 968 | *$self->{NewStream} = 1 ; | ||||
| 969 | |||||
| 970 | if (*$self->{MultiStream}) { | ||||
| 971 | *$self->{EndStream} = 0 ; | ||||
| 972 | return $buf_len ; | ||||
| 973 | } | ||||
| 974 | } | ||||
| 975 | |||||
| 976 | } | ||||
| 977 | |||||
| 978 | |||||
| 979 | # return the number of uncompressed bytes read | ||||
| 980 | return $buf_len ; | ||||
| 981 | } | ||||
| 982 | |||||
| 983 | sub reset | ||||
| 984 | { | ||||
| 985 | my $self = shift ; | ||||
| 986 | |||||
| 987 | return *$self->{Uncomp}->reset(); | ||||
| 988 | } | ||||
| 989 | |||||
| 990 | sub filterUncompressed | ||||
| 991 | { | ||||
| 992 | } | ||||
| 993 | |||||
| 994 | #sub isEndStream | ||||
| 995 | #{ | ||||
| 996 | # my $self = shift ; | ||||
| 997 | # return *$self->{NewStream} || | ||||
| 998 | # *$self->{EndStream} ; | ||||
| 999 | #} | ||||
| 1000 | |||||
| 1001 | sub nextStream | ||||
| 1002 | { | ||||
| 1003 | my $self = shift ; | ||||
| 1004 | |||||
| 1005 | my $status = $self->gotoNextStream(); | ||||
| 1006 | $status == 1 | ||||
| 1007 | or return $status ; | ||||
| 1008 | |||||
| 1009 | *$self->{TotalInflatedBytesRead} = 0 ; | ||||
| 1010 | *$self->{LineNo} = $. = 0; | ||||
| 1011 | |||||
| 1012 | return 1; | ||||
| 1013 | } | ||||
| 1014 | |||||
| 1015 | sub gotoNextStream | ||||
| 1016 | { | ||||
| 1017 | my $self = shift ; | ||||
| 1018 | |||||
| 1019 | if (! *$self->{NewStream}) { | ||||
| 1020 | my $status = 1; | ||||
| 1021 | my $buffer ; | ||||
| 1022 | |||||
| 1023 | # TODO - make this more efficient if know the offset for the end of | ||||
| 1024 | # the stream and seekable | ||||
| 1025 | $status = $self->read($buffer) | ||||
| 1026 | while $status > 0 ; | ||||
| 1027 | |||||
| 1028 | return $status | ||||
| 1029 | if $status < 0; | ||||
| 1030 | } | ||||
| 1031 | |||||
| 1032 | *$self->{NewStream} = 0 ; | ||||
| 1033 | *$self->{EndStream} = 0 ; | ||||
| 1034 | *$self->{CompressedInputLengthDone} = undef ; | ||||
| 1035 | *$self->{CompressedInputLength} = undef ; | ||||
| 1036 | $self->reset(); | ||||
| 1037 | *$self->{UnCompSize}->reset(); | ||||
| 1038 | *$self->{CompSize}->reset(); | ||||
| 1039 | |||||
| 1040 | my $magic = $self->ckMagic(); | ||||
| 1041 | |||||
| 1042 | if ( ! defined $magic) { | ||||
| 1043 | if (! *$self->{Transparent} || $self->eof()) | ||||
| 1044 | { | ||||
| 1045 | *$self->{EndStream} = 1 ; | ||||
| 1046 | return 0; | ||||
| 1047 | } | ||||
| 1048 | |||||
| 1049 | $self->clearError(); | ||||
| 1050 | *$self->{Type} = 'plain'; | ||||
| 1051 | *$self->{Plain} = 1; | ||||
| 1052 | $self->pushBack(*$self->{HeaderPending}) ; | ||||
| 1053 | } | ||||
| 1054 | else | ||||
| 1055 | { | ||||
| 1056 | *$self->{Info} = $self->readHeader($magic); | ||||
| 1057 | |||||
| 1058 | if ( ! defined *$self->{Info} ) { | ||||
| 1059 | *$self->{EndStream} = 1 ; | ||||
| 1060 | return -1; | ||||
| 1061 | } | ||||
| 1062 | } | ||||
| 1063 | |||||
| 1064 | push @{ *$self->{InfoList} }, *$self->{Info} ; | ||||
| 1065 | |||||
| 1066 | return 1; | ||||
| 1067 | } | ||||
| 1068 | |||||
| 1069 | sub streamCount | ||||
| 1070 | { | ||||
| 1071 | my $self = shift ; | ||||
| 1072 | return 1 if ! defined *$self->{InfoList}; | ||||
| 1073 | return scalar @{ *$self->{InfoList} } ; | ||||
| 1074 | } | ||||
| 1075 | |||||
| 1076 | #sub read | ||||
| 1077 | #{ | ||||
| 1078 | # my $status = myRead(@_); | ||||
| 1079 | # return undef if $status < 0; | ||||
| 1080 | # return $status; | ||||
| 1081 | #} | ||||
| 1082 | |||||
| 1083 | sub read | ||||
| 1084 | { | ||||
| 1085 | # return codes | ||||
| 1086 | # >0 - ok, number of bytes read | ||||
| 1087 | # =0 - ok, eof | ||||
| 1088 | # <0 - not ok | ||||
| 1089 | |||||
| 1090 | my $self = shift ; | ||||
| 1091 | |||||
| 1092 | if (defined *$self->{ReadStatus} ) { | ||||
| 1093 | my $status = *$self->{ReadStatus}[0]; | ||||
| 1094 | $self->saveErrorString( @{ *$self->{ReadStatus} } ); | ||||
| 1095 | delete *$self->{ReadStatus} ; | ||||
| 1096 | return $status ; | ||||
| 1097 | } | ||||
| 1098 | |||||
| 1099 | return G_EOF if *$self->{Closed} ; | ||||
| 1100 | |||||
| 1101 | my $buffer ; | ||||
| 1102 | |||||
| 1103 | if (ref $_[0] ) { | ||||
| 1104 | $self->croakError(*$self->{ClassName} . "::read: buffer parameter is read-only") | ||||
| 1105 | if Scalar::Util::readonly(${ $_[0] }); | ||||
| 1106 | |||||
| 1107 | $self->croakError(*$self->{ClassName} . "::read: not a scalar reference $_[0]" ) | ||||
| 1108 | unless ref $_[0] eq 'SCALAR' ; | ||||
| 1109 | $buffer = $_[0] ; | ||||
| 1110 | } | ||||
| 1111 | else { | ||||
| 1112 | $self->croakError(*$self->{ClassName} . "::read: buffer parameter is read-only") | ||||
| 1113 | if Scalar::Util::readonly($_[0]); | ||||
| 1114 | |||||
| 1115 | $buffer = \$_[0] ; | ||||
| 1116 | } | ||||
| 1117 | |||||
| 1118 | my $length = $_[1] ; | ||||
| 1119 | my $offset = $_[2] || 0; | ||||
| 1120 | |||||
| 1121 | if (! *$self->{AppendOutput}) { | ||||
| 1122 | if (! $offset) { | ||||
| 1123 | $$buffer = '' ; | ||||
| 1124 | } | ||||
| 1125 | else { | ||||
| 1126 | if ($offset > length($$buffer)) { | ||||
| 1127 | $$buffer .= "\x00" x ($offset - length($$buffer)); | ||||
| 1128 | } | ||||
| 1129 | else { | ||||
| 1130 | substr($$buffer, $offset) = ''; | ||||
| 1131 | } | ||||
| 1132 | } | ||||
| 1133 | } | ||||
| 1134 | elsif (! defined $$buffer) { | ||||
| 1135 | $$buffer = '' ; | ||||
| 1136 | } | ||||
| 1137 | |||||
| 1138 | return G_EOF if !length *$self->{Pending} && *$self->{EndStream} ; | ||||
| 1139 | |||||
| 1140 | # the core read will return 0 if asked for 0 bytes | ||||
| 1141 | return 0 if defined $length && $length == 0 ; | ||||
| 1142 | |||||
| 1143 | $length = $length || 0; | ||||
| 1144 | |||||
| 1145 | $self->croakError(*$self->{ClassName} . "::read: length parameter is negative") | ||||
| 1146 | if $length < 0 ; | ||||
| 1147 | |||||
| 1148 | # Short-circuit if this is a simple read, with no length | ||||
| 1149 | # or offset specified. | ||||
| 1150 | unless ( $length || $offset) { | ||||
| 1151 | if (length *$self->{Pending}) { | ||||
| 1152 | $$buffer .= *$self->{Pending} ; | ||||
| 1153 | my $len = length *$self->{Pending}; | ||||
| 1154 | *$self->{Pending} = '' ; | ||||
| 1155 | return $len ; | ||||
| 1156 | } | ||||
| 1157 | else { | ||||
| 1158 | my $len = 0; | ||||
| 1159 | $len = $self->_raw_read($buffer) | ||||
| 1160 | while ! *$self->{EndStream} && $len == 0 ; | ||||
| 1161 | return $len ; | ||||
| 1162 | } | ||||
| 1163 | } | ||||
| 1164 | |||||
| 1165 | # Need to jump through more hoops - either length or offset | ||||
| 1166 | # or both are specified. | ||||
| 1167 | my $out_buffer = *$self->{Pending} ; | ||||
| 1168 | *$self->{Pending} = ''; | ||||
| 1169 | |||||
| 1170 | |||||
| 1171 | while (! *$self->{EndStream} && length($out_buffer) < $length) | ||||
| 1172 | { | ||||
| 1173 | my $buf_len = $self->_raw_read(\$out_buffer); | ||||
| 1174 | return $buf_len | ||||
| 1175 | if $buf_len < 0 ; | ||||
| 1176 | } | ||||
| 1177 | |||||
| 1178 | $length = length $out_buffer | ||||
| 1179 | if length($out_buffer) < $length ; | ||||
| 1180 | |||||
| 1181 | return 0 | ||||
| 1182 | if $length == 0 ; | ||||
| 1183 | |||||
| 1184 | $$buffer = '' | ||||
| 1185 | if ! defined $$buffer; | ||||
| 1186 | |||||
| 1187 | $offset = length $$buffer | ||||
| 1188 | if *$self->{AppendOutput} ; | ||||
| 1189 | |||||
| 1190 | *$self->{Pending} = $out_buffer; | ||||
| 1191 | $out_buffer = \*$self->{Pending} ; | ||||
| 1192 | |||||
| 1193 | substr($$buffer, $offset) = substr($$out_buffer, 0, $length) ; | ||||
| 1194 | substr($$out_buffer, 0, $length) = '' ; | ||||
| 1195 | |||||
| 1196 | return $length ; | ||||
| 1197 | } | ||||
| 1198 | |||||
| 1199 | sub _getline | ||||
| 1200 | { | ||||
| 1201 | my $self = shift ; | ||||
| 1202 | my $status = 0 ; | ||||
| 1203 | |||||
| 1204 | # Slurp Mode | ||||
| 1205 | if ( ! defined $/ ) { | ||||
| 1206 | my $data ; | ||||
| 1207 | 1 while ($status = $self->read($data)) > 0 ; | ||||
| 1208 | return ($status, \$data); | ||||
| 1209 | } | ||||
| 1210 | |||||
| 1211 | # Record Mode | ||||
| 1212 | if ( ref $/ eq 'SCALAR' && ${$/} =~ /^\d+$/ && ${$/} > 0) { | ||||
| 1213 | my $reclen = ${$/} ; | ||||
| 1214 | my $data ; | ||||
| 1215 | $status = $self->read($data, $reclen) ; | ||||
| 1216 | return ($status, \$data); | ||||
| 1217 | } | ||||
| 1218 | |||||
| 1219 | # Paragraph Mode | ||||
| 1220 | if ( ! length $/ ) { | ||||
| 1221 | my $paragraph ; | ||||
| 1222 | while (($status = $self->read($paragraph)) > 0 ) { | ||||
| 1223 | if ($paragraph =~ s/^(.*?\n\n+)//s) { | ||||
| 1224 | *$self->{Pending} = $paragraph ; | ||||
| 1225 | my $par = $1 ; | ||||
| 1226 | return (1, \$par); | ||||
| 1227 | } | ||||
| 1228 | } | ||||
| 1229 | return ($status, \$paragraph); | ||||
| 1230 | } | ||||
| 1231 | |||||
| 1232 | # $/ isn't empty, or a reference, so it's Line Mode. | ||||
| 1233 | { | ||||
| 1234 | my $line ; | ||||
| 1235 | my $p = \*$self->{Pending} ; | ||||
| 1236 | while (($status = $self->read($line)) > 0 ) { | ||||
| 1237 | my $offset = index($line, $/); | ||||
| 1238 | if ($offset >= 0) { | ||||
| 1239 | my $l = substr($line, 0, $offset + length $/ ); | ||||
| 1240 | substr($line, 0, $offset + length $/) = ''; | ||||
| 1241 | $$p = $line; | ||||
| 1242 | return (1, \$l); | ||||
| 1243 | } | ||||
| 1244 | } | ||||
| 1245 | |||||
| 1246 | return ($status, \$line); | ||||
| 1247 | } | ||||
| 1248 | } | ||||
| 1249 | |||||
| 1250 | sub getline | ||||
| 1251 | { | ||||
| 1252 | my $self = shift; | ||||
| 1253 | |||||
| 1254 | if (defined *$self->{ReadStatus} ) { | ||||
| 1255 | $self->saveErrorString( @{ *$self->{ReadStatus} } ); | ||||
| 1256 | delete *$self->{ReadStatus} ; | ||||
| 1257 | return undef; | ||||
| 1258 | } | ||||
| 1259 | |||||
| 1260 | return undef | ||||
| 1261 | if *$self->{Closed} || (!length *$self->{Pending} && *$self->{EndStream}) ; | ||||
| 1262 | |||||
| 1263 | my $current_append = *$self->{AppendOutput} ; | ||||
| 1264 | *$self->{AppendOutput} = 1; | ||||
| 1265 | |||||
| 1266 | my ($status, $lineref) = $self->_getline(); | ||||
| 1267 | *$self->{AppendOutput} = $current_append; | ||||
| 1268 | |||||
| 1269 | return undef | ||||
| 1270 | if $status < 0 || length $$lineref == 0 ; | ||||
| 1271 | |||||
| 1272 | $. = ++ *$self->{LineNo} ; | ||||
| 1273 | |||||
| 1274 | return $$lineref ; | ||||
| 1275 | } | ||||
| 1276 | |||||
| 1277 | sub getlines | ||||
| 1278 | { | ||||
| 1279 | my $self = shift; | ||||
| 1280 | $self->croakError(*$self->{ClassName} . | ||||
| 1281 | "::getlines: called in scalar context\n") unless wantarray; | ||||
| 1282 | my($line, @lines); | ||||
| 1283 | push(@lines, $line) | ||||
| 1284 | while defined($line = $self->getline); | ||||
| 1285 | return @lines; | ||||
| 1286 | } | ||||
| 1287 | |||||
| 1288 | sub READLINE | ||||
| 1289 | { | ||||
| 1290 | goto &getlines if wantarray; | ||||
| 1291 | goto &getline; | ||||
| 1292 | } | ||||
| 1293 | |||||
| 1294 | sub getc | ||||
| 1295 | { | ||||
| 1296 | my $self = shift; | ||||
| 1297 | my $buf; | ||||
| 1298 | return $buf if $self->read($buf, 1); | ||||
| 1299 | return undef; | ||||
| 1300 | } | ||||
| 1301 | |||||
| 1302 | sub ungetc | ||||
| 1303 | { | ||||
| 1304 | my $self = shift; | ||||
| 1305 | *$self->{Pending} = "" unless defined *$self->{Pending} ; | ||||
| 1306 | *$self->{Pending} = $_[0] . *$self->{Pending} ; | ||||
| 1307 | } | ||||
| 1308 | |||||
| 1309 | |||||
| 1310 | sub trailingData | ||||
| 1311 | { | ||||
| 1312 | my $self = shift ; | ||||
| 1313 | |||||
| 1314 | if (defined *$self->{FH} || defined *$self->{InputEvent} ) { | ||||
| 1315 | return *$self->{Prime} ; | ||||
| 1316 | } | ||||
| 1317 | else { | ||||
| 1318 | my $buf = *$self->{Buffer} ; | ||||
| 1319 | my $offset = *$self->{BufferOffset} ; | ||||
| 1320 | return substr($$buf, $offset) ; | ||||
| 1321 | } | ||||
| 1322 | } | ||||
| 1323 | |||||
| 1324 | |||||
| 1325 | sub eof | ||||
| 1326 | { | ||||
| 1327 | my $self = shift ; | ||||
| 1328 | |||||
| 1329 | return (*$self->{Closed} || | ||||
| 1330 | (!length *$self->{Pending} | ||||
| 1331 | && ( $self->smartEof() || *$self->{EndStream}))) ; | ||||
| 1332 | } | ||||
| 1333 | |||||
| 1334 | sub tell | ||||
| 1335 | { | ||||
| 1336 | my $self = shift ; | ||||
| 1337 | |||||
| 1338 | my $in ; | ||||
| 1339 | if (*$self->{Plain}) { | ||||
| 1340 | $in = *$self->{PlainBytesRead} ; | ||||
| 1341 | } | ||||
| 1342 | else { | ||||
| 1343 | $in = *$self->{TotalInflatedBytesRead} ; | ||||
| 1344 | } | ||||
| 1345 | |||||
| 1346 | my $pending = length *$self->{Pending} ; | ||||
| 1347 | |||||
| 1348 | return 0 if $pending > $in ; | ||||
| 1349 | return $in - $pending ; | ||||
| 1350 | } | ||||
| 1351 | |||||
| 1352 | sub close | ||||
| 1353 | { | ||||
| 1354 | # todo - what to do if close is called before the end of the gzip file | ||||
| 1355 | # do we remember any trailing data? | ||||
| 1356 | my $self = shift ; | ||||
| 1357 | |||||
| 1358 | return 1 if *$self->{Closed} ; | ||||
| 1359 | |||||
| 1360 | untie *$self | ||||
| 1361 | if $] >= 5.008 ; | ||||
| 1362 | |||||
| 1363 | my $status = 1 ; | ||||
| 1364 | |||||
| 1365 | if (defined *$self->{FH}) { | ||||
| 1366 | if ((! *$self->{Handle} || *$self->{AutoClose}) && ! *$self->{StdIO}) { | ||||
| 1367 | local $.; | ||||
| 1368 | $! = 0 ; | ||||
| 1369 | $status = *$self->{FH}->close(); | ||||
| 1370 | return $self->saveErrorString(0, $!, $!) | ||||
| 1371 | if !*$self->{InNew} && $self->saveStatus($!) != 0 ; | ||||
| 1372 | } | ||||
| 1373 | delete *$self->{FH} ; | ||||
| 1374 | $! = 0 ; | ||||
| 1375 | } | ||||
| 1376 | *$self->{Closed} = 1 ; | ||||
| 1377 | |||||
| 1378 | return 1; | ||||
| 1379 | } | ||||
| 1380 | |||||
| 1381 | sub DESTROY | ||||
| 1382 | { | ||||
| 1383 | my $self = shift ; | ||||
| 1384 | local ($., $@, $!, $^E, $?); | ||||
| 1385 | |||||
| 1386 | $self->close() ; | ||||
| 1387 | } | ||||
| 1388 | |||||
| 1389 | sub seek | ||||
| 1390 | { | ||||
| 1391 | my $self = shift ; | ||||
| 1392 | my $position = shift; | ||||
| 1393 | my $whence = shift ; | ||||
| 1394 | |||||
| 1395 | my $here = $self->tell() ; | ||||
| 1396 | my $target = 0 ; | ||||
| 1397 | |||||
| 1398 | |||||
| 1399 | if ($whence == SEEK_SET) { | ||||
| 1400 | $target = $position ; | ||||
| 1401 | } | ||||
| 1402 | elsif ($whence == SEEK_CUR) { | ||||
| 1403 | $target = $here + $position ; | ||||
| 1404 | } | ||||
| 1405 | elsif ($whence == SEEK_END) { | ||||
| 1406 | $target = $position ; | ||||
| 1407 | $self->croakError(*$self->{ClassName} . "::seek: SEEK_END not allowed") ; | ||||
| 1408 | } | ||||
| 1409 | else { | ||||
| 1410 | $self->croakError(*$self->{ClassName} ."::seek: unknown value, $whence, for whence parameter"); | ||||
| 1411 | } | ||||
| 1412 | |||||
| 1413 | # short circuit if seeking to current offset | ||||
| 1414 | if ($target == $here) { | ||||
| 1415 | # On ordinary filehandles, seeking to the current | ||||
| 1416 | # position also clears the EOF condition, so we | ||||
| 1417 | # emulate this behavior locally while simultaneously | ||||
| 1418 | # cascading it to the underlying filehandle | ||||
| 1419 | if (*$self->{Plain}) { | ||||
| 1420 | *$self->{EndStream} = 0; | ||||
| 1421 | seek(*$self->{FH},0,1) if *$self->{FH}; | ||||
| 1422 | } | ||||
| 1423 | return 1; | ||||
| 1424 | } | ||||
| 1425 | |||||
| 1426 | # Outlaw any attempt to seek backwards | ||||
| 1427 | $self->croakError( *$self->{ClassName} ."::seek: cannot seek backwards") | ||||
| 1428 | if $target < $here ; | ||||
| 1429 | |||||
| 1430 | # Walk the file to the new offset | ||||
| 1431 | my $offset = $target - $here ; | ||||
| 1432 | |||||
| 1433 | my $got; | ||||
| 1434 | while (($got = $self->read(my $buffer, List::Util::min($offset, *$self->{BlockSize})) ) > 0) | ||||
| 1435 | { | ||||
| 1436 | $offset -= $got; | ||||
| 1437 | last if $offset == 0 ; | ||||
| 1438 | } | ||||
| 1439 | |||||
| 1440 | $here = $self->tell() ; | ||||
| 1441 | return $offset == 0 ? 1 : 0 ; | ||||
| 1442 | } | ||||
| 1443 | |||||
| 1444 | sub fileno | ||||
| 1445 | { | ||||
| 1446 | my $self = shift ; | ||||
| 1447 | return defined *$self->{FH} | ||||
| 1448 | ? fileno *$self->{FH} | ||||
| 1449 | : undef ; | ||||
| 1450 | } | ||||
| 1451 | |||||
| 1452 | sub binmode | ||||
| 1453 | { | ||||
| 1454 | 1; | ||||
| 1455 | # my $self = shift ; | ||||
| 1456 | # return defined *$self->{FH} | ||||
| 1457 | # ? binmode *$self->{FH} | ||||
| 1458 | # : 1 ; | ||||
| 1459 | } | ||||
| 1460 | |||||
| 1461 | sub opened | ||||
| 1462 | { | ||||
| 1463 | my $self = shift ; | ||||
| 1464 | return ! *$self->{Closed} ; | ||||
| 1465 | } | ||||
| 1466 | |||||
| 1467 | sub autoflush | ||||
| 1468 | { | ||||
| 1469 | my $self = shift ; | ||||
| 1470 | return defined *$self->{FH} | ||||
| 1471 | ? *$self->{FH}->autoflush(@_) | ||||
| 1472 | : undef ; | ||||
| 1473 | } | ||||
| 1474 | |||||
| 1475 | sub input_line_number | ||||
| 1476 | { | ||||
| 1477 | my $self = shift ; | ||||
| 1478 | my $last = *$self->{LineNo}; | ||||
| 1479 | $. = *$self->{LineNo} = $_[1] if @_ ; | ||||
| 1480 | return $last; | ||||
| 1481 | } | ||||
| 1482 | |||||
| 1483 | |||||
| 1484 | 1 | 2µs | *BINMODE = \&binmode; | ||
| 1485 | 1 | 200ns | *SEEK = \&seek; | ||
| 1486 | 1 | 200ns | *READ = \&read; | ||
| 1487 | 1 | 200ns | *sysread = \&read; | ||
| 1488 | 1 | 200ns | *TELL = \&tell; | ||
| 1489 | 1 | 200ns | *EOF = \&eof; | ||
| 1490 | |||||
| 1491 | 1 | 200ns | *FILENO = \&fileno; | ||
| 1492 | 1 | 200ns | *CLOSE = \&close; | ||
| 1493 | |||||
| 1494 | sub _notAvailable | ||||
| 1495 | # spent 6µs within IO::Uncompress::Base::_notAvailable which was called 6 times, avg 917ns/call:
# once (3µs+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 1501
# once (700ns+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 1502
# once (600ns+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 1506
# once (500ns+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 1503
# once (500ns+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 1505
# once (500ns+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 1504 | ||||
| 1496 | 6 | 800ns | my $name = shift ; | ||
| 1497 | 6 | 15µs | return sub { croak "$name Not Available: File opened only for intput" ; } ; | ||
| 1498 | } | ||||
| 1499 | |||||
| 1500 | |||||
| 1501 | 1 | 2µs | 1 | 3µs | *print = _notAvailable('print'); # spent 3µs making 1 call to IO::Uncompress::Base::_notAvailable |
| 1502 | 1 | 500ns | 1 | 700ns | *PRINT = _notAvailable('print'); # spent 700ns making 1 call to IO::Uncompress::Base::_notAvailable |
| 1503 | 1 | 300ns | 1 | 500ns | *printf = _notAvailable('printf'); # spent 500ns making 1 call to IO::Uncompress::Base::_notAvailable |
| 1504 | 1 | 400ns | 1 | 500ns | *PRINTF = _notAvailable('printf'); # spent 500ns making 1 call to IO::Uncompress::Base::_notAvailable |
| 1505 | 1 | 300ns | 1 | 500ns | *write = _notAvailable('write'); # spent 500ns making 1 call to IO::Uncompress::Base::_notAvailable |
| 1506 | 1 | 400ns | 1 | 600ns | *WRITE = _notAvailable('write'); # spent 600ns making 1 call to IO::Uncompress::Base::_notAvailable |
| 1507 | |||||
| 1508 | #*sysread = \&read; | ||||
| 1509 | #*syswrite = \&_notAvailable; | ||||
| 1510 | |||||
| - - | |||||
| 1513 | package IO::Uncompress::Base ; | ||||
| 1514 | |||||
| 1515 | |||||
| 1516 | 1 | 8µs | 1 ; | ||
| 1517 | __END__ |