perl/libs/libp.pm

#################################
#
#  $Id: libp.pm,v 1.7 2002/11/29 04:44:53 joko Exp $
#
#  $Log: libp.pm,v $
#  Revision 1.7  2002/11/29 04:44:53  joko
#  - sub array_getRelations
#  + sub getNewPerlObjectByPkgName
#
#  Revision 1.6  2002/11/17 07:18:59  joko
#  + sub deep_copy
#
#  Revision 1.5  2002/10/27 18:34:28  joko
#  + sub now
#
#  Revision 1.4  2002/08/16 19:06:39  cvsjoko
#  + sub getDirList
#
#  Revision 1.3  2002/07/19 18:13:50  cvsjoko
#  no message
#
#  Revision 1.2  2002/06/27 02:14:22  cvsjoko
#  + stripHtml stripSpaces stripNewLines toReal
#
#  Revision 1.1  2002/06/24 14:49:59  cvsjoko
#  + new
#
#
#################################

package libp;

use strict;
use warnings;

require Exporter;
our @ISA = qw( Exporter );
our @EXPORT_OK = qw( 
    Dumper
    md5 md5_hex md5_base64
    ParseDate UnixDate
    strftime
    stripHtml stripSpaces stripNewLines toReal trim
    croak
    array_getDifference
    getDirList
    now
    deep_copy
    getNewPerlObjectByPkgName
    cmd
    run_cmds
);

use Data::Dumper;
use Digest::MD5 qw(md5 md5_hex md5_base64);

$main::TZ = 'GMT';
use Date::Manip;

require LWP::UserAgent;
use HTML::PullParser;

# $now_string = strftime "%a %b %e %H:%M:%S %Y", localtime;
# see "perldoc -f localtime"
use POSIX qw(strftime);

use Carp;

use DirHandle;


########################################

sub stripSpaces {
  my $text = shift;
  #print "text: $text", "\n";
  #print "ord: ", ord(substr($text, 0, 1)), "\n";
  $text =~ s/^\s*//g;
  $text =~ s/\s*$//g;
  return $text;
}

sub trim {
  my $string = shift;
  return stripSpaces($string);
}

sub stripNewLines {
  my $text = shift;
  #print "text: $text", "\n";
  #print "ord: ", ord(substr($text, 0, 1)), "\n";
  $text =~ s/\n//g;
  #$text =~ s/\s*$//g;
  return $text;
}

sub toReal {
  my $string = shift;
  $string =~ m/(\d+\.*\d+)/;
  my $real = $1;
  return $real;
}

sub stripHtml {
  my $html = shift;
  my $result = '';
  #$html =~ s/<br>(.*)/ - ($1)/i;
  my $p = HTML::PullParser->new(
    doc => \$html,
    text => 'text',
    unbroken_text => 1,
  );
  while (my $token = $p->get_token()) {
    my $text = join('', @{$token});
    $result .= $text;
  }
  #$result =~ s/&nbsp;//g;
  return $result;
}


# =============================================
# "global" vars used in directory-recursive-parsing
my $dirlist_buf;
my @dirlist_path;
my $dirlist_base;

sub entry_callback {

  my $entry = shift;

  # CHECKS
  # dont't use this:
  if ($entry eq '.' || $entry eq '..') { return; }

  # PREPARE
  # prepare path to current entry
  my $cur_entry = join('/', @dirlist_path, $entry);
  # prepare path to current entry (absolute)
  my $cur_entry_abs = join('/', $dirlist_base, @dirlist_path, $entry);

  # ENTRY
  # add current entry to buffer
  $dirlist_buf .= $cur_entry . "\n";

  # (SUB-)DIRECTORY
  # check if current entry is a (sub-)directory ...
  if (-d $cur_entry_abs) {
    push @dirlist_path, $cur_entry;
    # ... and parse this (recursion here!!!)
    iterate_path($cur_entry_abs);
    pop @dirlist_path;
  }
}

sub iterate_path {

  my $path = shift;

  # create new "DirHandle"-object
  my $d = new DirHandle $path;
  if (defined $d) {

    # iterate through all entries in $path ($d->read) and call out entry-handler on each entry
    while (defined(my $line = $d->read)) { 
      entry_callback($line); 
    }

    undef $d;
  }
}

sub getDirList {

  $dirlist_base = shift;

  # reset vars
  $dirlist_buf = '';
  @dirlist_path = ();

  # start parsing file-structure
  iterate_path($dirlist_base);

  # return complete list of directory-content including files and subdirs
  # entries are newline (\n) - seperated
  return $dirlist_buf;

}
# =============================================


sub now {
  return strftime("%Y-%m-%d %H:%M:%S", localtime);
}

# ACK's go to ...
sub deep_copy {
  my $this = shift;
  if (not ref $this) {
    $this;
  } elsif (ref $this eq "ARRAY") {
    [map deep_copy($_), @$this];
  } elsif (ref $this eq "HASH") {
    +{map { $_ => deep_copy($this->{$_}) } keys %$this};
  } elsif (ref $this eq "CODE") {
    $this;
  } else { die "what type is $_?" }
}

sub getNewPerlObjectByPkgName {
  my $pkgname = shift;
  my $args = shift;
  #$logger->debug( __PACKAGE__ . "->getNewPerlObjectByPkgName( pkgname $pkgname args $args )" );
  my $evstring = "use $pkgname;";
  eval($evstring);
  #$@ && $logger->error( __PACKAGE__ . ':' . __LINE__ . " Error in eval $evstring: " .  $@ );
  $@ && print( __PACKAGE__ . ':' . __LINE__ . " Error in eval \"$evstring\": " .  $@ );
  return $pkgname->new($args);
}

sub cmd ($) {
  my $cmd = shift;
  $cmd = 'perl ' . $cmd;
  my $sep = "-" x 90;
  print $sep, "\n";
  print "  ", $cmd, "\n";
  print $sep, "\n";
  system($cmd);
  print "\n";
}

sub run_cmds {
  foreach (@_) {
    cmd($_);
  }
}

1;
1	cvsjoko	1.1	#################################
2			#
3	joko	1.8	# $Id: libp.pm,v 1.7 2002/11/29 04:44:53 joko Exp $
4	cvsjoko	1.2	#
5			# $Log: libp.pm,v $
6	joko	1.8	# Revision 1.7 2002/11/29 04:44:53 joko
7			# - sub array_getRelations
8			# + sub getNewPerlObjectByPkgName
9			#
10	joko	1.7	# Revision 1.6 2002/11/17 07:18:59 joko
11			# + sub deep_copy
12			#
13	joko	1.6	# Revision 1.5 2002/10/27 18:34:28 joko
14			# + sub now
15			#
16	joko	1.5	# Revision 1.4 2002/08/16 19:06:39 cvsjoko
17			# + sub getDirList
18			#
19	cvsjoko	1.4	# Revision 1.3 2002/07/19 18:13:50 cvsjoko
20			# no message
21			#
22	cvsjoko	1.3	# Revision 1.2 2002/06/27 02:14:22 cvsjoko
23			# + stripHtml stripSpaces stripNewLines toReal
24			#
25	cvsjoko	1.2	# Revision 1.1 2002/06/24 14:49:59 cvsjoko
26			# + new
27	cvsjoko	1.1	#
28			#
29			#################################
30
31			package libp;
32
33	joko	1.7	use strict;
34			use warnings;
35
36	cvsjoko	1.1	require Exporter;
37	joko	1.7	our @ISA = qw( Exporter );
38			our @EXPORT_OK = qw(
39	cvsjoko	1.3	Dumper
40			md5 md5_hex md5_base64
41			ParseDate UnixDate
42			strftime
43			stripHtml stripSpaces stripNewLines toReal trim
44			croak
45			array_getDifference
46	cvsjoko	1.4	getDirList
47	joko	1.5	now
48	joko	1.6	deep_copy
49	joko	1.7	getNewPerlObjectByPkgName
50	joko	1.8	cmd
51			run_cmds
52	cvsjoko	1.1	);
53
54			use Data::Dumper;
55			use Digest::MD5 qw(md5 md5_hex md5_base64);
56
57			$main::TZ = 'GMT';
58			use Date::Manip;
59	cvsjoko	1.2
60			require LWP::UserAgent;
61			use HTML::PullParser;
62
63	cvsjoko	1.3	# $now_string = strftime "%a %b %e %H:%M:%S %Y", localtime;
64			# see "perldoc -f localtime"
65			use POSIX qw(strftime);
66
67			use Carp;
68
69	cvsjoko	1.4	use DirHandle;
70
71	cvsjoko	1.2
72			########################################
73
74			sub stripSpaces {
75			my $text = shift;
76			#print "text: $text", "\n";
77			#print "ord: ", ord(substr($text, 0, 1)), "\n";
78			$text =~ s/^\s*//g;
79			$text =~ s/\s*$//g;
80			return $text;
81			}
82
83	cvsjoko	1.3	sub trim {
84			my $string = shift;
85			return stripSpaces($string);
86			}
87
88	cvsjoko	1.2	sub stripNewLines {
89			my $text = shift;
90			#print "text: $text", "\n";
91			#print "ord: ", ord(substr($text, 0, 1)), "\n";
92			$text =~ s/\n//g;
93			#$text =~ s/\s*$//g;
94			return $text;
95			}
96
97			sub toReal {
98			my $string = shift;
99			$string =~ m/(\d+\.*\d+)/;
100			my $real = $1;
101			return $real;
102			}
103
104			sub stripHtml {
105			my $html = shift;
106			my $result = '';
107			#$html =~ s/<br>(.*)/ - ($1)/i;
108			my $p = HTML::PullParser->new(
109			doc => \$html,
110			text => 'text',
111			unbroken_text => 1,
112			);
113			while (my $token = $p->get_token()) {
114			my $text = join('', @{$token});
115			$result .= $text;
116			}
117			#$result =~ s/ //g;
118			return $result;
119	cvsjoko	1.3	}
120
121
122	cvsjoko	1.4
123
124			# =============================================
125			# "global" vars used in directory-recursive-parsing
126			my $dirlist_buf;
127			my @dirlist_path;
128			my $dirlist_base;
129
130			sub entry_callback {
131
132			my $entry = shift;
133
134			# CHECKS
135			# dont't use this:
136			if ($entry eq '.' \|\| $entry eq '..') { return; }
137
138			# PREPARE
139			# prepare path to current entry
140			my $cur_entry = join('/', @dirlist_path, $entry);
141			# prepare path to current entry (absolute)
142			my $cur_entry_abs = join('/', $dirlist_base, @dirlist_path, $entry);
143
144			# ENTRY
145			# add current entry to buffer
146			$dirlist_buf .= $cur_entry . "\n";
147
148			# (SUB-)DIRECTORY
149			# check if current entry is a (sub-)directory ...
150			if (-d $cur_entry_abs) {
151			push @dirlist_path, $cur_entry;
152			# ... and parse this (recursion here!!!)
153			iterate_path($cur_entry_abs);
154			pop @dirlist_path;
155			}
156			}
157
158			sub iterate_path {
159
160			my $path = shift;
161
162			# create new "DirHandle"-object
163			my $d = new DirHandle $path;
164			if (defined $d) {
165
166			# iterate through all entries in $path ($d->read) and call out entry-handler on each entry
167			while (defined(my $line = $d->read)) {
168			entry_callback($line);
169			}
170
171			undef $d;
172			}
173			}
174
175			sub getDirList {
176
177			$dirlist_base = shift;
178
179			# reset vars
180			$dirlist_buf = '';
181			@dirlist_path = ();
182
183			# start parsing file-structure
184			iterate_path($dirlist_base);
185
186			# return complete list of directory-content including files and subdirs
187			# entries are newline (\n) - seperated
188			return $dirlist_buf;
189
190			}
191			# =============================================
192
193	joko	1.5
194			sub now {
195			return strftime("%Y-%m-%d %H:%M:%S", localtime);
196	joko	1.6	}
197
198	joko	1.7	# ACK's go to ...
199	joko	1.6	sub deep_copy {
200			my $this = shift;
201			if (not ref $this) {
202			$this;
203			} elsif (ref $this eq "ARRAY") {
204			[map deep_copy($_), @$this];
205			} elsif (ref $this eq "HASH") {
206			+{map { $_ => deep_copy($this->{$_}) } keys %$this};
207			} elsif (ref $this eq "CODE") {
208			$this;
209			} else { die "what type is $_?" }
210	joko	1.7	}
211
212			sub getNewPerlObjectByPkgName {
213			my $pkgname = shift;
214			my $args = shift;
215			#$logger->debug( __PACKAGE__ . "->getNewPerlObjectByPkgName( pkgname $pkgname args $args )" );
216			my $evstring = "use $pkgname;";
217			eval($evstring);
218			#$@ && $logger->error( __PACKAGE__ . ':' . __LINE__ . " Error in eval $evstring: " . $@ );
219			$@ && print( __PACKAGE__ . ':' . __LINE__ . " Error in eval \"$evstring\": " . $@ );
220			return $pkgname->new($args);
221	joko	1.8	}
222
223			sub cmd ($) {
224			my $cmd = shift;
225			$cmd = 'perl ' . $cmd;
226			my $sep = "-" x 90;
227			print $sep, "\n";
228			print " ", $cmd, "\n";
229			print $sep, "\n";
230			system($cmd);
231			print "\n";
232			}
233
234			sub run_cmds {
235			foreach (@_) {
236			cmd($_);
237			}
238	joko	1.5	}
239	cvsjoko	1.1
240			1;
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