Merge pull request #919 from cantino/add_unescape_filter
Add a new filter `unescape`
Akinori MUSHA
2 changed files with 18 additions and 0 deletions
+ 8
- 0
app/concerns/liquid_interpolatable.rb
@@ -185,6 +185,14 @@ module LiquidInterpolatable |
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url |
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end |
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+ # Unescape (basic) HTML entities in a string |
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+ # |
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+ # This currently decodes the following entities only: "'", |
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+ # """, "<", ">", "&", "&#dd;" and "&#xhh;". |
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+ def unescape(input) |
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+ CGI.unescapeHTML(input) rescue input |
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+ end |
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+ |
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# Escape a string for use in XPath expression |
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def to_xpath(string) |
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subs = string.to_s.scan(/\G(?:\A\z|[^"]+|[^']+)/).map { |x|
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+ 10
- 0
spec/concerns/liquid_interpolatable_spec.rb
@@ -38,6 +38,16 @@ describe LiquidInterpolatable::Filters do |
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end |
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end |
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+ describe 'unescape' do |
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+ let(:agent) { Agents::InterpolatableAgent.new(name: "test") }
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+ |
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+ it 'should unescape basic HTML entities' do |
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+ agent.interpolation_context['something'] = ''<foo> & bar'' |
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+ agent.options['cleaned'] = '{{ something | unescape }}'
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+ expect(agent.interpolated['cleaned']).to eq("'<foo> & bar'")
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+ end |
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+ end |
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+ |
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describe 'to_xpath' do |
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before do |
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def @filter.to_xpath_roundtrip(string) |