perl/libs/libp.pm

#################################
#
#  $Id: libp.pm,v 1.9 2002/12/05 13:54:00 joko Exp $
#
#  $Log: libp.pm,v $
#  Revision 1.9  2002/12/05 13:54:00  joko
#  + fix: let 'deep_copy' print its message out (instead of die)
#
#  Revision 1.8  2002/12/01 22:11:35  joko
#  + sub cmd
#  + sub run_cmds
#
#  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
    today
);

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);
}

sub today {
  return strftime("%Y-%m-%d", 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 "deep_copy asks: what type is $this?" }
  } else { print "deep_copy asks: what type is $this?", "\n"; }
}

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	1.10	# $Id: libp.pm,v 1.9 2002/12/05 13:54:00 joko Exp $
4	cvsjoko	1.2	#
5			# $Log: libp.pm,v $
6	joko	1.10	# Revision 1.9 2002/12/05 13:54:00 joko
7			# + fix: let 'deep_copy' print its message out (instead of die)
8			#
9	joko	1.9	# Revision 1.8 2002/12/01 22:11:35 joko
10			# + sub cmd
11			# + sub run_cmds
12			#
13	joko	1.8	# Revision 1.7 2002/11/29 04:44:53 joko
14			# - sub array_getRelations
15			# + sub getNewPerlObjectByPkgName
16			#
17	joko	1.7	# Revision 1.6 2002/11/17 07:18:59 joko
18			# + sub deep_copy
19			#
20	joko	1.6	# Revision 1.5 2002/10/27 18:34:28 joko
21			# + sub now
22			#
23	joko	1.5	# Revision 1.4 2002/08/16 19:06:39 cvsjoko
24			# + sub getDirList
25			#
26	cvsjoko	1.4	# Revision 1.3 2002/07/19 18:13:50 cvsjoko
27			# no message
28			#
29	cvsjoko	1.3	# Revision 1.2 2002/06/27 02:14:22 cvsjoko
30			# + stripHtml stripSpaces stripNewLines toReal
31			#
32	cvsjoko	1.2	# Revision 1.1 2002/06/24 14:49:59 cvsjoko
33			# + new
34	cvsjoko	1.1	#
35			#
36			#################################
37
38			package libp;
39
40	joko	1.7	use strict;
41			use warnings;
42
43	cvsjoko	1.1	require Exporter;
44	joko	1.7	our @ISA = qw( Exporter );
45			our @EXPORT_OK = qw(
46	cvsjoko	1.3	Dumper
47			md5 md5_hex md5_base64
48			ParseDate UnixDate
49			strftime
50			stripHtml stripSpaces stripNewLines toReal trim
51			croak
52			array_getDifference
53	cvsjoko	1.4	getDirList
54	joko	1.5	now
55	joko	1.6	deep_copy
56	joko	1.7	getNewPerlObjectByPkgName
57	joko	1.8	cmd
58			run_cmds
59	joko	1.10	today
60	cvsjoko	1.1	);
61
62			use Data::Dumper;
63			use Digest::MD5 qw(md5 md5_hex md5_base64);
64
65			$main::TZ = 'GMT';
66			use Date::Manip;
67	cvsjoko	1.2
68			require LWP::UserAgent;
69			use HTML::PullParser;
70
71	cvsjoko	1.3	# $now_string = strftime "%a %b %e %H:%M:%S %Y", localtime;
72			# see "perldoc -f localtime"
73			use POSIX qw(strftime);
74
75			use Carp;
76
77	cvsjoko	1.4	use DirHandle;
78
79	cvsjoko	1.2
80			########################################
81
82			sub stripSpaces {
83			my $text = shift;
84			#print "text: $text", "\n";
85			#print "ord: ", ord(substr($text, 0, 1)), "\n";
86			$text =~ s/^\s*//g;
87			$text =~ s/\s*$//g;
88			return $text;
89			}
90
91	cvsjoko	1.3	sub trim {
92			my $string = shift;
93			return stripSpaces($string);
94			}
95
96	cvsjoko	1.2	sub stripNewLines {
97			my $text = shift;
98			#print "text: $text", "\n";
99			#print "ord: ", ord(substr($text, 0, 1)), "\n";
100			$text =~ s/\n//g;
101			#$text =~ s/\s*$//g;
102			return $text;
103			}
104
105			sub toReal {
106			my $string = shift;
107			$string =~ m/(\d+\.*\d+)/;
108			my $real = $1;
109			return $real;
110			}
111
112			sub stripHtml {
113			my $html = shift;
114			my $result = '';
115			#$html =~ s/<br>(.*)/ - ($1)/i;
116			my $p = HTML::PullParser->new(
117			doc => \$html,
118			text => 'text',
119			unbroken_text => 1,
120			);
121			while (my $token = $p->get_token()) {
122			my $text = join('', @{$token});
123			$result .= $text;
124			}
125			#$result =~ s/ //g;
126			return $result;
127	cvsjoko	1.3	}
128
129
130	cvsjoko	1.4
131
132			# =============================================
133			# "global" vars used in directory-recursive-parsing
134			my $dirlist_buf;
135			my @dirlist_path;
136			my $dirlist_base;
137
138			sub entry_callback {
139
140			my $entry = shift;
141
142			# CHECKS
143			# dont't use this:
144			if ($entry eq '.' \|\| $entry eq '..') { return; }
145
146			# PREPARE
147			# prepare path to current entry
148			my $cur_entry = join('/', @dirlist_path, $entry);
149			# prepare path to current entry (absolute)
150			my $cur_entry_abs = join('/', $dirlist_base, @dirlist_path, $entry);
151
152			# ENTRY
153			# add current entry to buffer
154			$dirlist_buf .= $cur_entry . "\n";
155
156			# (SUB-)DIRECTORY
157			# check if current entry is a (sub-)directory ...
158			if (-d $cur_entry_abs) {
159			push @dirlist_path, $cur_entry;
160			# ... and parse this (recursion here!!!)
161			iterate_path($cur_entry_abs);
162			pop @dirlist_path;
163			}
164			}
165
166			sub iterate_path {
167
168			my $path = shift;
169
170			# create new "DirHandle"-object
171			my $d = new DirHandle $path;
172			if (defined $d) {
173
174			# iterate through all entries in $path ($d->read) and call out entry-handler on each entry
175			while (defined(my $line = $d->read)) {
176			entry_callback($line);
177			}
178
179			undef $d;
180			}
181			}
182
183			sub getDirList {
184
185			$dirlist_base = shift;
186
187			# reset vars
188			$dirlist_buf = '';
189			@dirlist_path = ();
190
191			# start parsing file-structure
192			iterate_path($dirlist_base);
193
194			# return complete list of directory-content including files and subdirs
195			# entries are newline (\n) - seperated
196			return $dirlist_buf;
197
198			}
199			# =============================================
200
201	joko	1.5
202			sub now {
203			return strftime("%Y-%m-%d %H:%M:%S", localtime);
204	joko	1.10	}
205
206			sub today {
207			return strftime("%Y-%m-%d", localtime);
208	joko	1.6	}
209
210	joko	1.7	# ACK's go to ...
211	joko	1.6	sub deep_copy {
212			my $this = shift;
213			if (not ref $this) {
214			$this;
215			} elsif (ref $this eq "ARRAY") {
216			[map deep_copy($_), @$this];
217			} elsif (ref $this eq "HASH") {
218			+{map { $_ => deep_copy($this->{$_}) } keys %$this};
219			} elsif (ref $this eq "CODE") {
220			$this;
221	joko	1.9	#} else { die "deep_copy asks: what type is $this?" }
222			} else { print "deep_copy asks: what type is $this?", "\n"; }
223	joko	1.7	}
224
225			sub getNewPerlObjectByPkgName {
226			my $pkgname = shift;
227			my $args = shift;
228			#$logger->debug( __PACKAGE__ . "->getNewPerlObjectByPkgName( pkgname $pkgname args $args )" );
229			my $evstring = "use $pkgname;";
230			eval($evstring);
231			#$@ && $logger->error( __PACKAGE__ . ':' . __LINE__ . " Error in eval $evstring: " . $@ );
232			$@ && print( __PACKAGE__ . ':' . __LINE__ . " Error in eval \"$evstring\": " . $@ );
233			return $pkgname->new($args);
234	joko	1.8	}
235
236			sub cmd ($) {
237			my $cmd = shift;
238			$cmd = 'perl ' . $cmd;
239			my $sep = "-" x 90;
240			print $sep, "\n";
241			print " ", $cmd, "\n";
242			print $sep, "\n";
243			system($cmd);
244			print "\n";
245			}
246
247			sub run_cmds {
248			foreach (@_) {
249			cmd($_);
250			}
251	joko	1.5	}
252	cvsjoko	1.1
253			1;
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