| 1 | # Global text helpers
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| 2 | #
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| 3 | module.exports =
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| 4 |
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| 5 | # Whitespace helper function.
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| 6 | #
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| 7 | # @param [Number] n the number if indents
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| 8 | # @return [String] the indention string
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| 9 | #
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| 10 | whitespace: (n) ->
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| 11 | n = n * 2
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| 12 | a = []
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| 13 | while a.length < n
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| 14 | a.push ' '
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| 15 | a.join ''
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| 16 |
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| 17 | # Escape quotation in a text.
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| 18 | #
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| 19 | # @param [String] text the text containing quotes
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| 20 | # @return [String] the escaped text
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| 21 | #
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| 22 | escapeQuotes: (text) ->
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| 23 | return '' unless text
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| 24 |
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| 25 | text.replace(/"/g, '\\"').replace(/\\\\\"/g, '\\"')
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| 26 |
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| 27 | # Unescape quotation in a text.
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| 28 | #
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| 29 | # @param [String] text the text containing escaped quotes
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| 30 | # @return [String] the text without escaped quotes
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| 31 | #
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| 32 | unescapeQuotes: (text) ->
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| 33 | return '' unless text
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| 34 |
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| 35 | text.replace(/\\"/g, '"')
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| 36 |
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| 37 | # HTML Escape a text.
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| 38 | #
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| 39 | # @param [String] text the text
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| 40 | # @return [String] the HTML escaped text
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| 41 | #
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| 42 | escapeHTML: (text) ->
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| 43 | return '' unless text
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| 44 |
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| 45 | text
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| 46 | .replace(/&/g, '&')
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| 47 | .replace(/</g, '<')
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| 48 | .replace(/>/g, '>')
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| 49 | .replace(/\"/g, '"')
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| 50 |
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| 51 | # Preserve newlines within the preserve tags,
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| 52 | #
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| 53 | # @param [String] code the code to preserve
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| 54 | # @return [String] the preserved code
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| 55 | #
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| 56 | preserve: (code) ->
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| 57 | if code
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| 58 | code.replace /<(pre|textarea)>(.*?)<\/\1>/g, (text) ->
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| 59 | text.replace('\\n', '\&\#x000A;')
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| 60 |
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| 61 | # Indent the given text.
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| 62 | #
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| 63 | # @param [String] text the text to indent
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| 64 | # @param [Integer] the amount of spaced to insert
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| 65 | # @return [String] the indented text
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| 66 | #
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| 67 | indent: (text, spaces) ->
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| 68 | text.replace /^(.*)$/mg, module.exports.whitespace(spaces) + '$1'
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