perl/libs/libp.pm

#################################
#
#  $Id: libp.pm,v 1.11 2002/12/19 16:27:17 joko Exp $
#
#  $Log: libp.pm,v $
#  Revision 1.11  2002/12/19 16:27:17  joko
#  +- renamed 'cmd' to 'run_cmd'
#
#  Revision 1.10  2002/12/19 01:05:35  joko
#  + sub today
#
#  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
    croak

    stripHtml stripSpaces stripNewLines toReal trim
    array_getDifference
    getDirList
    now today
    deep_copy
    getNewPerlObjectByPkgName
    run_cmd run_cmds
    mkObject
);

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 mkObject {
  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(@_);
}

sub run_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 (@_) {
    run_cmd($_);
  }
}

1;
1	cvsjoko	1.1	#################################
2			#
3	joko	1.12	# $Id: libp.pm,v 1.11 2002/12/19 16:27:17 joko Exp $
4	cvsjoko	1.2	#
5			# $Log: libp.pm,v $
6	joko	1.12	# Revision 1.11 2002/12/19 16:27:17 joko
7			# +- renamed 'cmd' to 'run_cmd'
8			#
9	joko	1.11	# Revision 1.10 2002/12/19 01:05:35 joko
10			# + sub today
11			#
12	joko	1.10	# Revision 1.9 2002/12/05 13:54:00 joko
13			# + fix: let 'deep_copy' print its message out (instead of die)
14			#
15	joko	1.9	# Revision 1.8 2002/12/01 22:11:35 joko
16			# + sub cmd
17			# + sub run_cmds
18			#
19	joko	1.8	# Revision 1.7 2002/11/29 04:44:53 joko
20			# - sub array_getRelations
21			# + sub getNewPerlObjectByPkgName
22			#
23	joko	1.7	# Revision 1.6 2002/11/17 07:18:59 joko
24			# + sub deep_copy
25			#
26	joko	1.6	# Revision 1.5 2002/10/27 18:34:28 joko
27			# + sub now
28			#
29	joko	1.5	# Revision 1.4 2002/08/16 19:06:39 cvsjoko
30			# + sub getDirList
31			#
32	cvsjoko	1.4	# Revision 1.3 2002/07/19 18:13:50 cvsjoko
33			# no message
34			#
35	cvsjoko	1.3	# Revision 1.2 2002/06/27 02:14:22 cvsjoko
36			# + stripHtml stripSpaces stripNewLines toReal
37			#
38	cvsjoko	1.2	# Revision 1.1 2002/06/24 14:49:59 cvsjoko
39			# + new
40	cvsjoko	1.1	#
41			#
42			#################################
43
44			package libp;
45
46	joko	1.7	use strict;
47			use warnings;
48
49	cvsjoko	1.1	require Exporter;
50	joko	1.7	our @ISA = qw( Exporter );
51			our @EXPORT_OK = qw(
52	cvsjoko	1.3	Dumper
53			md5 md5_hex md5_base64
54			ParseDate UnixDate
55			strftime
56	joko	1.11	croak
57
58	cvsjoko	1.3	stripHtml stripSpaces stripNewLines toReal trim
59			array_getDifference
60	cvsjoko	1.4	getDirList
61	joko	1.11	now today
62	joko	1.6	deep_copy
63	joko	1.7	getNewPerlObjectByPkgName
64	joko	1.11	run_cmd run_cmds
65	joko	1.12	mkObject
66	cvsjoko	1.1	);
67
68			use Data::Dumper;
69			use Digest::MD5 qw(md5 md5_hex md5_base64);
70
71			$main::TZ = 'GMT';
72			use Date::Manip;
73	cvsjoko	1.2
74			require LWP::UserAgent;
75			use HTML::PullParser;
76
77	cvsjoko	1.3	# $now_string = strftime "%a %b %e %H:%M:%S %Y", localtime;
78			# see "perldoc -f localtime"
79			use POSIX qw(strftime);
80
81			use Carp;
82
83	cvsjoko	1.4	use DirHandle;
84
85	cvsjoko	1.2
86			########################################
87
88			sub stripSpaces {
89			my $text = shift;
90			#print "text: $text", "\n";
91			#print "ord: ", ord(substr($text, 0, 1)), "\n";
92			$text =~ s/^\s*//g;
93			$text =~ s/\s*$//g;
94			return $text;
95			}
96
97	cvsjoko	1.3	sub trim {
98			my $string = shift;
99			return stripSpaces($string);
100			}
101
102	cvsjoko	1.2	sub stripNewLines {
103			my $text = shift;
104			#print "text: $text", "\n";
105			#print "ord: ", ord(substr($text, 0, 1)), "\n";
106			$text =~ s/\n//g;
107			#$text =~ s/\s*$//g;
108			return $text;
109			}
110
111			sub toReal {
112			my $string = shift;
113			$string =~ m/(\d+\.*\d+)/;
114			my $real = $1;
115			return $real;
116			}
117
118			sub stripHtml {
119			my $html = shift;
120			my $result = '';
121			#$html =~ s/<br>(.*)/ - ($1)/i;
122			my $p = HTML::PullParser->new(
123			doc => \$html,
124			text => 'text',
125			unbroken_text => 1,
126			);
127			while (my $token = $p->get_token()) {
128			my $text = join('', @{$token});
129			$result .= $text;
130			}
131			#$result =~ s/ //g;
132			return $result;
133	cvsjoko	1.3	}
134
135
136	cvsjoko	1.4
137
138			# =============================================
139			# "global" vars used in directory-recursive-parsing
140			my $dirlist_buf;
141			my @dirlist_path;
142			my $dirlist_base;
143
144			sub entry_callback {
145
146			my $entry = shift;
147
148			# CHECKS
149			# dont't use this:
150			if ($entry eq '.' \|\| $entry eq '..') { return; }
151
152			# PREPARE
153			# prepare path to current entry
154			my $cur_entry = join('/', @dirlist_path, $entry);
155			# prepare path to current entry (absolute)
156			my $cur_entry_abs = join('/', $dirlist_base, @dirlist_path, $entry);
157
158			# ENTRY
159			# add current entry to buffer
160			$dirlist_buf .= $cur_entry . "\n";
161
162			# (SUB-)DIRECTORY
163			# check if current entry is a (sub-)directory ...
164			if (-d $cur_entry_abs) {
165			push @dirlist_path, $cur_entry;
166			# ... and parse this (recursion here!!!)
167			iterate_path($cur_entry_abs);
168			pop @dirlist_path;
169			}
170			}
171
172			sub iterate_path {
173
174			my $path = shift;
175
176			# create new "DirHandle"-object
177			my $d = new DirHandle $path;
178			if (defined $d) {
179
180			# iterate through all entries in $path ($d->read) and call out entry-handler on each entry
181			while (defined(my $line = $d->read)) {
182			entry_callback($line);
183			}
184
185			undef $d;
186			}
187			}
188
189			sub getDirList {
190
191			$dirlist_base = shift;
192
193			# reset vars
194			$dirlist_buf = '';
195			@dirlist_path = ();
196
197			# start parsing file-structure
198			iterate_path($dirlist_base);
199
200			# return complete list of directory-content including files and subdirs
201			# entries are newline (\n) - seperated
202			return $dirlist_buf;
203
204			}
205			# =============================================
206
207	joko	1.5
208			sub now {
209			return strftime("%Y-%m-%d %H:%M:%S", localtime);
210	joko	1.10	}
211
212			sub today {
213			return strftime("%Y-%m-%d", localtime);
214	joko	1.6	}
215
216	joko	1.7	# ACK's go to ...
217	joko	1.6	sub deep_copy {
218			my $this = shift;
219			if (not ref $this) {
220			$this;
221			} elsif (ref $this eq "ARRAY") {
222			[map deep_copy($_), @$this];
223			} elsif (ref $this eq "HASH") {
224			+{map { $_ => deep_copy($this->{$_}) } keys %$this};
225			} elsif (ref $this eq "CODE") {
226			$this;
227	joko	1.9	#} else { die "deep_copy asks: what type is $this?" }
228			} else { print "deep_copy asks: what type is $this?", "\n"; }
229	joko	1.7	}
230
231			sub getNewPerlObjectByPkgName {
232			my $pkgname = shift;
233			my $args = shift;
234			#$logger->debug( __PACKAGE__ . "->getNewPerlObjectByPkgName( pkgname $pkgname args $args )" );
235			my $evstring = "use $pkgname;";
236			eval($evstring);
237			#$@ && $logger->error( __PACKAGE__ . ':' . __LINE__ . " Error in eval $evstring: " . $@ );
238			$@ && print( __PACKAGE__ . ':' . __LINE__ . " Error in eval \"$evstring\": " . $@ );
239			return $pkgname->new($args);
240	joko	1.12	}
241
242			sub mkObject {
243			my $pkgname = shift;
244			#my $args = shift;
245			#$logger->debug( __PACKAGE__ . "->getNewPerlObjectByPkgName( pkgname $pkgname args $args )" );
246			my $evstring = "use $pkgname;";
247			eval($evstring);
248			#$@ && $logger->error( __PACKAGE__ . ':' . __LINE__ . " Error in eval $evstring: " . $@ );
249			$@ && print( __PACKAGE__ . ':' . __LINE__ . " Error in eval \"$evstring\": " . $@ );
250			return $pkgname->new(@_);
251	joko	1.8	}
252
253	joko	1.11	sub run_cmd {
254	joko	1.8	my $cmd = shift;
255			$cmd = 'perl ' . $cmd;
256			my $sep = "-" x 90;
257			print $sep, "\n";
258			print " ", $cmd, "\n";
259			print $sep, "\n";
260			system($cmd);
261			print "\n";
262			}
263
264			sub run_cmds {
265			foreach (@_) {
266	joko	1.11	run_cmd($_);
267	joko	1.8	}
268	joko	1.5	}
269	cvsjoko	1.1
270			1;
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