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#!/usr/bin/perl |
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use strict; |
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use warnings; |
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package WWW::Shopify::Liquid::Filter::WordWrap; |
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use base 'WWW::Shopify::Liquid::Filter'; |
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sub max_arguments { 1; } |
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sub min_arguments { 1; } |
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sub operate { |
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my ($self, $hash, $text, $max_characters) = @_; |
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my @parts = (""); |
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for (split(/\s/, $text)) { |
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push(@parts, "") if ($parts[-1] && length($parts[-1] . " " . $_) > $max_characters); |
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if ($parts[-1]) { |
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$parts[-1] .= " " . $_; |
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} else { |
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$parts[-1] = $_; |
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} |
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} |
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return join("\n", @parts); |
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} |
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1; |