/[cvs]/nfo/perl/libs/libp.pm
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revision 1.3 by cvsjoko, Fri Jul 19 18:13:50 2002 UTC revision 1.7 by joko, Fri Nov 29 04:44:53 2002 UTC
# Line 3  Line 3 
3  #  $Id$  #  $Id$
4  #  #
5  #  $Log$  #  $Log$
6    #  Revision 1.7  2002/11/29 04:44:53  joko
7    #  - sub array_getRelations
8    #  + sub getNewPerlObjectByPkgName
9    #
10    #  Revision 1.6  2002/11/17 07:18:59  joko
11    #  + sub deep_copy
12    #
13    #  Revision 1.5  2002/10/27 18:34:28  joko
14    #  + sub now
15    #
16    #  Revision 1.4  2002/08/16 19:06:39  cvsjoko
17    #  + sub getDirList
18    #
19  #  Revision 1.3  2002/07/19 18:13:50  cvsjoko  #  Revision 1.3  2002/07/19 18:13:50  cvsjoko
20  #  no message  #  no message
21  #  #
# Line 17  Line 30 
30    
31  package libp;  package libp;
32    
33    use strict;
34    use warnings;
35    
36  require Exporter;  require Exporter;
37  @ISA = qw( Exporter );  our @ISA = qw( Exporter );
38  @EXPORT = qw(  our @EXPORT_OK = qw(
39      Dumper      Dumper
40      md5 md5_hex md5_base64      md5 md5_hex md5_base64
41      ParseDate UnixDate      ParseDate UnixDate
# Line 27  require Exporter; Line 43  require Exporter;
43      stripHtml stripSpaces stripNewLines toReal trim      stripHtml stripSpaces stripNewLines toReal trim
44      croak      croak
45      array_getDifference      array_getDifference
46        getDirList
47        now
48        deep_copy
49        getNewPerlObjectByPkgName
50  );  );
51    
 use strict;  
 use warnings;  
   
52  use Data::Dumper;  use Data::Dumper;
53  use Digest::MD5 qw(md5 md5_hex md5_base64);  use Digest::MD5 qw(md5 md5_hex md5_base64);
54    
# Line 47  use POSIX qw(strftime); Line 64  use POSIX qw(strftime);
64    
65  use Carp;  use Carp;
66    
67    use DirHandle;
68    
69    
70  ########################################  ########################################
71    
# Line 97  sub stripHtml { Line 116  sub stripHtml {
116    return $result;    return $result;
117  }  }
118    
119  sub array_getRelations {  
120    my $a_ref = shift;  
121    my $b_ref = shift;  
122    my @a = @{$a_ref};  # =============================================
123    my @b = @{$b_ref};  # "global" vars used in directory-recursive-parsing
124    my $dirlist_buf;
125    my @isect = my @diff = my @union = ();  my @dirlist_path;
126    my $e;  my $dirlist_base;
127    my %count;  
128      sub entry_callback {
129    foreach $e (@a, @b) { $count{$e}++ }  
130      my $entry = shift;
131    foreach $e (keys %count) {  
132        push(@union, $e);    # CHECKS
133        push @{ $count{$e} == 2 ? \@isect : \@diff }, $e;    # dont't use this:
134      if ($entry eq '.' || $entry eq '..') { return; }
135    
136      # PREPARE
137      # prepare path to current entry
138      my $cur_entry = join('/', @dirlist_path, $entry);
139      # prepare path to current entry (absolute)
140      my $cur_entry_abs = join('/', $dirlist_base, @dirlist_path, $entry);
141    
142      # ENTRY
143      # add current entry to buffer
144      $dirlist_buf .= $cur_entry . "\n";
145    
146      # (SUB-)DIRECTORY
147      # check if current entry is a (sub-)directory ...
148      if (-d $cur_entry_abs) {
149        push @dirlist_path, $cur_entry;
150        # ... and parse this (recursion here!!!)
151        iterate_path($cur_entry_abs);
152        pop @dirlist_path;
153      }
154    }
155    
156    sub iterate_path {
157    
158      my $path = shift;
159    
160      # create new "DirHandle"-object
161      my $d = new DirHandle $path;
162      if (defined $d) {
163    
164        # iterate through all entries in $path ($d->read) and call out entry-handler on each entry
165        while (defined(my $line = $d->read)) {
166          entry_callback($line);
167        }
168    
169        undef $d;
170    }    }
171      }
172    my $result = {  
173      union => \@union,  sub getDirList {
174      isect => \@isect,  
175      diff => \@diff,    $dirlist_base = shift;
176    };  
177      # reset vars
178      $dirlist_buf = '';
179      @dirlist_path = ();
180    
181      # start parsing file-structure
182      iterate_path($dirlist_base);
183    
184      # return complete list of directory-content including files and subdirs
185      # entries are newline (\n) - seperated
186      return $dirlist_buf;
187    
188    }
189    # =============================================
190    
191    
192    sub now {
193      return strftime("%Y-%m-%d %H:%M:%S", localtime);
194    }
195    
196    # ACK's go to ...
197    sub deep_copy {
198      my $this = shift;
199      if (not ref $this) {
200        $this;
201      } elsif (ref $this eq "ARRAY") {
202        [map deep_copy($_), @$this];
203      } elsif (ref $this eq "HASH") {
204        +{map { $_ => deep_copy($this->{$_}) } keys %$this};
205      } elsif (ref $this eq "CODE") {
206        $this;
207      } else { die "what type is $_?" }
208  }  }
209    
210  sub array_getDifference {  sub getNewPerlObjectByPkgName {
211    my $res = array_getRelations(shift, shift);    my $pkgname = shift;
212    return $res->{diff};    my $args = shift;
213      #$logger->debug( __PACKAGE__ . "->getNewPerlObjectByPkgName( pkgname $pkgname args $args )" );
214      my $evstring = "use $pkgname;";
215      eval($evstring);
216      #$@ && $logger->error( __PACKAGE__ . ':' . __LINE__ . " Error in eval $evstring: " .  $@ );
217      $@ && print( __PACKAGE__ . ':' . __LINE__ . " Error in eval \"$evstring\": " .  $@ );
218      return $pkgname->new($args);
219  }  }
220    
221  1;  1;
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