mirror of
https://github.com/Telecominfraproject/wlan-lanforge-scripts.git
synced 2025-11-03 20:27:54 +00:00
124 lines
2.8 KiB
Perl
124 lines
2.8 KiB
Perl
package LANforge::csv;
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use strict;
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use warnings;
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use diagnostics;
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use Carp;
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$SIG{ __DIE__ } = sub { Carp::confess( @_ ) };
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#use Data::Dumper;
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#use Data::Dumper::Concise;
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sub new {
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my $proto = shift;
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my $class = ref($proto) || $proto;
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my $self = {};
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$self->{'ignore_comments'} = 1;
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$self->{'skip_comments'} = 0;
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$self->{'trim_whitespace'} = 1;
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$self->{'rows'}=();
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bless($self, $class);
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return $self;
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}
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sub readFile {
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my $self = shift;
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my $filename = shift;
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die ("readFile: no filename provided.")
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if (!defined $filename || $filename eq "");
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open(my $fh, "<", "$filename")
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or die("readFile: $!");
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my @lines = ();
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while(<$fh>) {
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chomp;
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my @row = undef;
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#print "COMMENT: $_\n" if (/^\s*?\#.*/ && $self->{ignore_comments});
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next if (/^\s*?\#.*/ && $self->{skip_comments});
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if (/^\s*?\#.*/ && $self->{ignore_comments}) {
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@row = ();
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push(@{$self->{rows}}, \@row);
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next;
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}
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else {
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@row = split(/,/);
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}
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# trim() on all cell values
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if ($self->{trim_whitespace}) {
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s{^\s+|\s+$}{}g foreach @row;
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}
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push(@{$self->{rows}}, \@row);
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}
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close $fh;
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}
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sub getRow {
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my $self = shift;
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my $row_num = shift;
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die("getRow: no row number provided")
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if (!defined($row_num) || $row_num eq "");
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return undef if ($row_num >= @{$self->rows});
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return ${$self->rows}[$row_num];
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}
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sub getCell {
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my $self = shift;
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my $cell_num = shift;
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my $row_num = shift;
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my $default = (shift || 'undef');
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die("getCell: no row number provided")
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if (!defined($row_num) || $row_num eq "");
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die("getCell: no cell number provided")
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if (!defined($cell_num) || $cell_num eq "");
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if ($row_num >= @{$self->{rows}}) {
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#warn Dumper(@{$self->{rows}});
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warn "row $row_num greater than number of rows(@{$self->{rows}})\n";
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return $default;
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}
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my $ra_row = ${$self->{rows}}[$row_num];
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if (!defined $ra_row) {
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#warn "row $row_num unset\n";
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return $default;
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}
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if ($cell_num >= @{$ra_row}) {
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#warn "cell $cell_num beyond size of row (".@{$ra_row}.")\n";
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#warn Dumper($ra_row);
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return $default;
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}
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if (!defined $ra_row->[$cell_num]) {
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#warn "value at [$cell_num,$row_num] unset\n";
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#warn Dumper($ra_row);
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return $default;
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}
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return $ra_row->[$cell_num];
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}
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sub getRows {
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my $self = shift;
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return $self->{rows};
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}
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sub rows {
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my $self = shift;
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return $self->{rows};
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}
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sub numRows {
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my $self = shift;
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return 0+@{$self->{rows}};
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}
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1;
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=pod
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This is a simple CSV parser, please install Text::CSV or someting more sophisticated
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For instance, do not embed commas or newlines into the csv cells.
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=end
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