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For /home/ss5/perl5/perlbrew/perls/perl-5.22.0/bin/benchmarkanything-storage
  Run on Mon Jan 29 16:55:34 2018
Reported on Mon Jan 29 16:57:07 2018

Filename/home/ss5/perl5/perlbrew/perls/perl-5.22.0/lib/5.22.0/IO/Uncompress/Base.pm
StatementsExecuted 56 statements in 3.70ms
Subroutines
Calls P F Exclusive
Time
Inclusive
Time
Subroutine
11111µs25µsIO::Uncompress::Base::::BEGIN@428IO::Uncompress::Base::BEGIN@428
1118µs10µsIO::Uncompress::Base::::BEGIN@4IO::Uncompress::Base::BEGIN@4
1117µs91µsIO::Uncompress::Base::::BEGIN@17IO::Uncompress::Base::BEGIN@17
1117µs90µsIO::Uncompress::Base::::BEGIN@19IO::Uncompress::Base::BEGIN@19
1116µs18µsIO::Uncompress::Base::::BEGIN@90IO::Uncompress::Base::BEGIN@90
1116µs27µsIO::Uncompress::Base::::BEGIN@20IO::Uncompress::Base::BEGIN@20
6616µs6µsIO::Uncompress::Base::::_notAvailableIO::Uncompress::Base::_notAvailable
1114µs7µsIO::Uncompress::Base::::BEGIN@5IO::Uncompress::Base::BEGIN@5
1114µs26µsIO::Uncompress::Base::::BEGIN@14IO::Uncompress::Base::BEGIN@14
1114µs20µsIO::Uncompress::Base::::BEGIN@23IO::Uncompress::Base::BEGIN@23
1114µs20µsIO::Uncompress::Base::::BEGIN@15IO::Uncompress::Base::BEGIN@15
1113µs3µsIO::Uncompress::Base::::BEGIN@21IO::Uncompress::Base::BEGIN@21
1112µs2µsIO::Uncompress::Base::::BEGIN@22IO::Uncompress::Base::BEGIN@22
0000s0sIO::Uncompress::Base::::DESTROYIO::Uncompress::Base::DESTROY
0000s0sIO::Uncompress::Base::::HeaderErrorIO::Uncompress::Base::HeaderError
0000s0sIO::Uncompress::Base::::READLINEIO::Uncompress::Base::READLINE
0000s0sIO::Uncompress::Base::::TIEHANDLEIO::Uncompress::Base::TIEHANDLE
0000s0sIO::Uncompress::Base::::TrailerErrorIO::Uncompress::Base::TrailerError
0000s0sIO::Uncompress::Base::::TruncatedHeaderIO::Uncompress::Base::TruncatedHeader
0000s0sIO::Uncompress::Base::::TruncatedTrailerIO::Uncompress::Base::TruncatedTrailer
0000s0sIO::Uncompress::Base::::UNTIEIO::Uncompress::Base::UNTIE
0000s0sIO::Uncompress::Base::::__ANON__[:1497]IO::Uncompress::Base::__ANON__[:1497]
0000s0sIO::Uncompress::Base::::_createIO::Uncompress::Base::_create
0000s0sIO::Uncompress::Base::::_getlineIO::Uncompress::Base::_getline
0000s0sIO::Uncompress::Base::::_infIO::Uncompress::Base::_inf
0000s0sIO::Uncompress::Base::::_raw_readIO::Uncompress::Base::_raw_read
0000s0sIO::Uncompress::Base::::_rd2IO::Uncompress::Base::_rd2
0000s0sIO::Uncompress::Base::::_singleTargetIO::Uncompress::Base::_singleTarget
0000s0sIO::Uncompress::Base::::autoflushIO::Uncompress::Base::autoflush
0000s0sIO::Uncompress::Base::::binmodeIO::Uncompress::Base::binmode
0000s0sIO::Uncompress::Base::::checkParamsIO::Uncompress::Base::checkParams
0000s0sIO::Uncompress::Base::::ckInputParamIO::Uncompress::Base::ckInputParam
0000s0sIO::Uncompress::Base::::clearErrorIO::Uncompress::Base::clearError
0000s0sIO::Uncompress::Base::::closeIO::Uncompress::Base::close
0000s0sIO::Uncompress::Base::::closeErrorIO::Uncompress::Base::closeError
0000s0sIO::Uncompress::Base::::croakErrorIO::Uncompress::Base::croakError
0000s0sIO::Uncompress::Base::::eofIO::Uncompress::Base::eof
0000s0sIO::Uncompress::Base::::errorIO::Uncompress::Base::error
0000s0sIO::Uncompress::Base::::errorNoIO::Uncompress::Base::errorNo
0000s0sIO::Uncompress::Base::::filenoIO::Uncompress::Base::fileno
0000s0sIO::Uncompress::Base::::filterUncompressedIO::Uncompress::Base::filterUncompressed
0000s0sIO::Uncompress::Base::::getErrInfoIO::Uncompress::Base::getErrInfo
0000s0sIO::Uncompress::Base::::getHeaderInfoIO::Uncompress::Base::getHeaderInfo
0000s0sIO::Uncompress::Base::::getcIO::Uncompress::Base::getc
0000s0sIO::Uncompress::Base::::getlineIO::Uncompress::Base::getline
0000s0sIO::Uncompress::Base::::getlinesIO::Uncompress::Base::getlines
0000s0sIO::Uncompress::Base::::gotoNextStreamIO::Uncompress::Base::gotoNextStream
0000s0sIO::Uncompress::Base::::input_line_numberIO::Uncompress::Base::input_line_number
0000s0sIO::Uncompress::Base::::nextStreamIO::Uncompress::Base::nextStream
0000s0sIO::Uncompress::Base::::openedIO::Uncompress::Base::opened
0000s0sIO::Uncompress::Base::::postBlockChkIO::Uncompress::Base::postBlockChk
0000s0sIO::Uncompress::Base::::postCheckParamsIO::Uncompress::Base::postCheckParams
0000s0sIO::Uncompress::Base::::pushBackIO::Uncompress::Base::pushBack
0000s0sIO::Uncompress::Base::::readIO::Uncompress::Base::read
0000s0sIO::Uncompress::Base::::readBlockIO::Uncompress::Base::readBlock
0000s0sIO::Uncompress::Base::::resetIO::Uncompress::Base::reset
0000s0sIO::Uncompress::Base::::retErrIO::Uncompress::Base::retErr
0000s0sIO::Uncompress::Base::::saveErrorStringIO::Uncompress::Base::saveErrorString
0000s0sIO::Uncompress::Base::::saveStatusIO::Uncompress::Base::saveStatus
0000s0sIO::Uncompress::Base::::seekIO::Uncompress::Base::seek
0000s0sIO::Uncompress::Base::::setErrInfoIO::Uncompress::Base::setErrInfo
0000s0sIO::Uncompress::Base::::smartEofIO::Uncompress::Base::smartEof
0000s0sIO::Uncompress::Base::::smartReadIO::Uncompress::Base::smartRead
0000s0sIO::Uncompress::Base::::smartReadExactIO::Uncompress::Base::smartReadExact
0000s0sIO::Uncompress::Base::::smartSeekIO::Uncompress::Base::smartSeek
0000s0sIO::Uncompress::Base::::smartTellIO::Uncompress::Base::smartTell
0000s0sIO::Uncompress::Base::::smartWriteIO::Uncompress::Base::smartWrite
0000s0sIO::Uncompress::Base::::streamCountIO::Uncompress::Base::streamCount
0000s0sIO::Uncompress::Base::::tellIO::Uncompress::Base::tell
0000s0sIO::Uncompress::Base::::trailingDataIO::Uncompress::Base::trailingData
0000s0sIO::Uncompress::Base::::ungetcIO::Uncompress::Base::ungetc
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments
Time
on line
Calls Time
in subs
Code
1
2package IO::Uncompress::Base ;
3
4217µs211µs
# 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
use strict ;
# spent 10µs making 1 call to IO::Uncompress::Base::BEGIN@4 # spent 1µs making 1 call to strict::import
5236µs210µs
# 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
use warnings;
# spent 7µs making 1 call to IO::Uncompress::Base::BEGIN@5 # spent 3µs making 1 call to warnings::import
6#use bytes;
7
8our (@ISA, $VERSION, @EXPORT_OK, %EXPORT_TAGS);
9112µs@ISA = qw(Exporter IO::File);
10
11
121200ns$VERSION = '2.068';
13
14216µs248µs
# 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
use constant G_EOF => 0 ;
# spent 26µs making 1 call to IO::Uncompress::Base::BEGIN@14 # spent 22µs making 1 call to constant::import
15215µs236µs
# 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
use constant G_ERR => -1 ;
# spent 20µs making 1 call to IO::Uncompress::Base::BEGIN@15 # spent 16µs making 1 call to constant::import
16
17325µs3175µs
# 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
use IO::Compress::Base::Common 2.068 ;
# 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
19227µs2173µs
# 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
use IO::File ;
# spent 90µs making 1 call to IO::Uncompress::Base::BEGIN@19 # spent 83µs making 1 call to Exporter::import
20216µs248µs
# 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
use Symbol;
# spent 27µs making 1 call to IO::Uncompress::Base::BEGIN@20 # spent 21µs making 1 call to Exporter::import
21212µs13µs
# spent 3µs within IO::Uncompress::Base::BEGIN@21 which was called: # once (3µs+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 21
use Scalar::Util ();
# spent 3µs making 1 call to IO::Uncompress::Base::BEGIN@21
22211µs12µs
# spent 2µs within IO::Uncompress::Base::BEGIN@22 which was called: # once (2µs+0s) by IO::Uncompress::RawInflate::BEGIN@11 at line 22
use List::Util ();
# spent 2µs making 1 call to IO::Uncompress::Base::BEGIN@22
232209µs237µs
# 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
use Carp ;
# spent 20µs making 1 call to IO::Uncompress::Base::BEGIN@23 # spent 16µs making 1 call to Exporter::import
24
251700ns%EXPORT_TAGS = ( );
2611µspush @{ $EXPORT_TAGS{all} }, @EXPORT_OK ;
27
28sub 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 {
902957µs229µs
# 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
no warnings 'uninitialized';
# 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 $$out;
111}
112
113sub pushBack
114{
115 my $self = shift ;
116
117 return if ! defined $_[0] || length $_[0] == 0 ;
118
119 if (defined *$self->{FH} || defined *$self->{InputEvent} ) {
120 *$self->{Prime} = $_[0] . *$self->{Prime} ;
121 *$self->{InputLengthRemaining} += length($_[0]);
122 }
123 else {
124 my $len = length $_[0];
125
126 if($len > *$self->{BufferOffset}) {
127 *$self->{Prime} = substr($_[0], 0, $len - *$self->{BufferOffset}) . *$self->{Prime} ;
128 *$self->{InputLengthRemaining} = *$self->{InputLength};
129 *$self->{BufferOffset} = 0
130 }
131 else {
132 *$self->{InputLengthRemaining} += length($_[0]);
133 *$self->{BufferOffset} -= length($_[0]) ;
134 }
135 }
136}
137
138sub smartSeek
139{
140 my $self = shift ;
141 my $offset = shift ;
142 my $truncate = shift;
143 my $position = shift || SEEK_SET;
144
145 # TODO -- need to take prime into account
146 if (defined *$self->{FH})
147 { *$self->{FH}->seek($offset, $position) }
148 else {
149 if ($position == SEEK_END) {
150 *$self->{BufferOffset} = length ${ *$self->{Buffer} } + $offset ;
151 }
152 elsif ($position == SEEK_CUR) {
153 *$self->{BufferOffset} += $offset ;
154 }
155 else {
156 *$self->{BufferOffset} = $offset ;
157 }
158
159 substr(${ *$self->{Buffer} }, *$self->{BufferOffset}) = ''
160 if $truncate;
161 return 1;
162 }
163}
164
165sub smartTell
166{
167 my $self = shift ;
168
169 if (defined *$self->{FH})
170 { return *$self->{FH}->tell() }
171 else
172 { return *$self->{BufferOffset} }
173}
174
175sub smartWrite
176{
177 my $self = shift ;
178 my $out_data = shift ;
179
180 if (defined *$self->{FH}) {
181 # flush needed for 5.8.0
182 defined *$self->{FH}->write($out_data, length $out_data) &&
183 defined *$self->{FH}->flush() ;
184 }
185 else {
186 my $buf = *$self->{Buffer} ;
187 substr($$buf, *$self->{BufferOffset}, length $out_data) = $out_data ;
188 *$self->{BufferOffset} += length($out_data) ;
189 return 1;
190 }
191}
192
193sub smartReadExact
194{
195 return $_[0]->smartRead($_[1], $_[2]) == $_[2];
196}
197
198sub smartEof
199{
200 my ($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
231sub clearError
232{
233 my $self = shift ;
234
235 *$self->{ErrorNo} = 0 ;
236 ${ *$self->{Error} } = '' ;
237}
238
239sub getErrInfo
240{
241 my $self = shift ;
242
243 return [ *$self->{ErrorNo}, ${ *$self->{Error} } ] ;
244}
245
246sub setErrInfo
247{
248 my $self = shift ;
249 my $ref = shift;
250
251 *$self->{ErrorNo} = $ref->[0] ;
252 ${ *$self->{Error} } = $ref->[1] ;
253}
254
255sub 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
267sub 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
278sub croakError
279{
280 my $self = shift ;
281 $self->saveErrorString(0, $_[0]);
282 croak $_[0];
283}
284
285
286sub 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
302sub error
303{
304 my $self = shift ;
305 return ${ *$self->{Error} } ;
306}
307
308sub errorNo
309{
310 my $self = shift ;
311 return *$self->{ErrorNo};
312}
313
314sub HeaderError
315{
316 my ($self) = shift;
317 return $self->saveErrorString(undef, "Header Error: $_[0]", STATUS_ERROR);
318}
319
320sub TrailerError
321{
322 my ($self) = shift;
323 return $self->saveErrorString(G_ERR, "Trailer Error: $_[0]", STATUS_ERROR);
324}
325
326sub TruncatedHeader
327{
328 my ($self) = shift;
329 return $self->HeaderError("Truncated in $_[0] Section");
330}
331
332sub TruncatedTrailer
333{
334 my ($self) = shift;
335 return $self->TrailerError("Truncated in $_[0] Section");
336}
337
338sub postCheckParams
339{
340 return 1;
341}
342
343sub 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
383sub _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 {
42822.32ms238µs
# 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
no warnings ;
# 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
532sub 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
557sub _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
667sub retErr
668{
669 my $x = shift ;
670 my $string = shift ;
671
672 ${ $x->{Error} } = $string ;
673
674 return undef ;
675}
676
677sub _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
740sub _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
801sub TIEHANDLE
802{
803 return $_[0] if ref($_[0]);
804 die "OOPS\n" ;
805
806}
807
808sub UNTIE
809{
810 my $self = shift ;
811}
812
813
814sub getHeaderInfo
815{
816 my $self = shift ;
817 wantarray ? @{ *$self->{InfoList} } : *$self->{Info};
818}
819
820sub 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
849sub postBlockChk
850{
851 return STATUS_OK;
852}
853
854sub _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
983sub reset
984{
985 my $self = shift ;
986
987 return *$self->{Uncomp}->reset();
988}
989
990sub filterUncompressed
991{
992}
993
994#sub isEndStream
995#{
996# my $self = shift ;
997# return *$self->{NewStream} ||
998# *$self->{EndStream} ;
999#}
1000
1001sub 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
1015sub 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
1069sub 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
1083sub 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($$out_buffer, 0, $length) = '' ;
1195
1196 return $length ;
1197}
1198
1199sub _getline
1200{
1201 my $self = shift ;
1202 my $status = 0 ;
1203
1204 # Slurp Mode
1205 if ( ! defined $/ ) {
1206 my $data ;
1207 1 while ($status = $self->read($data)) > 0 ;
1208 return ($status, \$data);
1209 }
1210
1211 # Record Mode
1212 if ( ref $/ eq 'SCALAR' && ${$/} =~ /^\d+$/ && ${$/} > 0) {
1213 my $reclen = ${$/} ;
1214 my $data ;
1215 $status = $self->read($data, $reclen) ;
1216 return ($status, \$data);
1217 }
1218
1219 # Paragraph Mode
1220 if ( ! length $/ ) {
1221 my $paragraph ;
1222 while (($status = $self->read($paragraph)) > 0 ) {
1223 if ($paragraph =~ s/^(.*?\n\n+)//s) {
1224 *$self->{Pending} = $paragraph ;
1225 my $par = $1 ;
1226 return (1, \$par);
1227 }
1228 }
1229 return ($status, \$paragraph);
1230 }
1231
1232 # $/ isn't empty, or a reference, so it's Line Mode.
1233 {
1234 my $line ;
1235 my $p = \*$self->{Pending} ;
1236 while (($status = $self->read($line)) > 0 ) {
1237 my $offset = index($line, $/);
1238 if ($offset >= 0) {
1239 my $l = substr($line, 0, $offset + length $/ );
1240 substr($line, 0, $offset + length $/) = '';
1241 $$p = $line;
1242 return (1, \$l);
1243 }
1244 }
1245
1246 return ($status, \$line);
1247 }
1248}
1249
1250sub 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
1277sub 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
1288sub READLINE
1289{
1290 goto &getlines if wantarray;
1291 goto &getline;
1292}
1293
1294sub getc
1295{
1296 my $self = shift;
1297 my $buf;
1298 return $buf if $self->read($buf, 1);
1299 return undef;
1300}
1301
1302sub ungetc
1303{
1304 my $self = shift;
1305 *$self->{Pending} = "" unless defined *$self->{Pending} ;
1306 *$self->{Pending} = $_[0] . *$self->{Pending} ;
1307}
1308
1309
1310sub 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
1325sub eof
1326{
1327 my $self = shift ;
1328
1329 return (*$self->{Closed} ||
1330 (!length *$self->{Pending}
1331 && ( $self->smartEof() || *$self->{EndStream}))) ;
1332}
1333
1334sub 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
1352sub 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
1381sub DESTROY
1382{
1383 my $self = shift ;
1384 local ($., $@, $!, $^E, $?);
1385
1386 $self->close() ;
1387}
1388
1389sub 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
1444sub fileno
1445{
1446 my $self = shift ;
1447 return defined *$self->{FH}
1448 ? fileno *$self->{FH}
1449 : undef ;
1450}
1451
1452sub binmode
1453{
1454 1;
1455# my $self = shift ;
1456# return defined *$self->{FH}
1457# ? binmode *$self->{FH}
1458# : 1 ;
1459}
1460
1461sub opened
1462{
1463 my $self = shift ;
1464 return ! *$self->{Closed} ;
1465}
1466
1467sub autoflush
1468{
1469 my $self = shift ;
1470 return defined *$self->{FH}
1471 ? *$self->{FH}->autoflush(@_)
1472 : undef ;
1473}
1474
1475sub input_line_number
1476{
1477 my $self = shift ;
1478 my $last = *$self->{LineNo};
1479 $. = *$self->{LineNo} = $_[1] if @_ ;
1480 return $last;
1481}
1482
1483
148412µs*BINMODE = \&binmode;
14851200ns*SEEK = \&seek;
14861200ns*READ = \&read;
14871200ns*sysread = \&read;
14881200ns*TELL = \&tell;
14891200ns*EOF = \&eof;
1490
14911200ns*FILENO = \&fileno;
14921200ns*CLOSE = \&close;
1493
1494sub _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
{
14966800ns my $name = shift ;
1497615µs return sub { croak "$name Not Available: File opened only for intput" ; } ;
1498}
1499
1500
150112µs13µs*print = _notAvailable('print');
# spent 3µs making 1 call to IO::Uncompress::Base::_notAvailable
15021500ns1700ns*PRINT = _notAvailable('print');
# spent 700ns making 1 call to IO::Uncompress::Base::_notAvailable
15031300ns1500ns*printf = _notAvailable('printf');
# spent 500ns making 1 call to IO::Uncompress::Base::_notAvailable
15041400ns1500ns*PRINTF = _notAvailable('printf');
# spent 500ns making 1 call to IO::Uncompress::Base::_notAvailable
15051300ns1500ns*write = _notAvailable('write');
# spent 500ns making 1 call to IO::Uncompress::Base::_notAvailable
15061400ns1600ns*WRITE = _notAvailable('write');
# spent 600ns making 1 call to IO::Uncompress::Base::_notAvailable
1507
1508#*sysread = \&read;
1509#*syswrite = \&_notAvailable;
1510
- -
1513package IO::Uncompress::Base ;
1514
1515
151618µs1 ;
1517__END__