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#!/usr/bin/perl |
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package Goo::TabConverter; |
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############################################################################### |
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# Nigel Hamilton |
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# |
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# Copyright Nigel Hamilton 2005 |
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# All Rights Reserved |
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# |
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# Author: Nigel Hamilton |
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# Filename: Goo::TabConverter.pm |
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# Description: Convert tab characters to four spaces |
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# |
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# Date Change |
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# ----------------------------------------------------------------------------- |
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# 27/09/2005 Version 1 |
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# 15/10/2005 Created test file: TabConverterTest.tpm |
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# |
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############################################################################### |
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2910
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use strict; |
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#use Smart::Comments; |
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my $default_tab_size = 4; |
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############################################################################### |
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# |
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# tabs_to_spaces - turn any tabs into the right number of characters |
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# |
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############################################################################### |
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sub tabs_to_spaces { |
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my ($line, $tab_size) = @_; |
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$tab_size = $tab_size || $default_tab_size; |
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my $tab_count = 0; |
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my $new_line; |
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foreach my $character (split(//, $line)) { |
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### is this a tab char |
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if ($character =~ /\t/) { |
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### replace the tab with the number of space up to the next tab stop |
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$character = ' ' x ($tab_size - $tab_count); |
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### we've now filled up a complete tab stop |
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$tab_count = $tab_size; |
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} |
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### increment the tab_count |
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$tab_count++; |
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if ($tab_count >= $tab_size) { |
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$tab_count = 0; |
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} |
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### append the character to the line |
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$new_line .= $character; |
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} |
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0
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return $new_line; |
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} |
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1; |
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__END__ |
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=head1 NAME |
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79
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Goo::TabConverter - Convert tab characters to four spaces |
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81
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=head1 SYNOPSIS |
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use Goo::TabConverter; |
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85
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=head1 DESCRIPTION |
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=head1 METHODS |
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=over |
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=item tabs_to_spaces |
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93
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turn any tabs into n characters |
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=back |
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=head1 AUTHOR |
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Nigel Hamilton <nigel@trexy.com> |
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101
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=head1 SEE ALSO |
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