perl/libs/libp.pm

#################################
#
#  $Id: libp.pm,v 1.8 2002/12/01 22:11:35 joko Exp $
#
#  $Log: libp.pm,v $
#  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
);

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