39 lines
1.1 KiB
Ruby
39 lines
1.1 KiB
Ruby
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require 'erb'
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class ERB
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module Util
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HTML_ESCAPE = { '&' => '&', '>' => '>', '<' => '<', '"' => '"' }
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JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003E', '<' => '\u003C' }
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# A utility method for escaping HTML tag characters.
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# This method is also aliased as <tt>h</tt>.
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#
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# In your ERb templates, use this method to escape any unsafe content. For example:
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# <%=h @person.name %>
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#
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# ==== Example:
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# puts html_escape("is a > 0 & a < 10?")
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# # => is a > 0 & a < 10?
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def html_escape(s)
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s.to_s.gsub(/[&"><]/) { |special| HTML_ESCAPE[special] }
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end
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# A utility method for escaping HTML entities in JSON strings.
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# This method is also aliased as <tt>j</tt>.
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#
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# In your ERb templates, use this method to escape any HTML entities:
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# <%=j @person.to_json %>
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#
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# ==== Example:
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# puts json_escape("is a > 0 & a < 10?")
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# # => is a \u003E 0 \u0026 a \u003C 10?
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def json_escape(s)
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s.to_s.gsub(/[&"><]/) { |special| JSON_ESCAPE[special] }
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end
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alias j json_escape
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module_function :j
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module_function :json_escape
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end
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end
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