56 lines
1.4 KiB
Ruby
56 lines
1.4 KiB
Ruby
module ActionMailer
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module MailHelper
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# Take the text and format it, indented two spaces for each line, and wrapped at 72 columns.
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def block_format(text)
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formatted = text.split(/\n\r?\n/).collect { |paragraph|
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format_paragraph(paragraph)
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}.join("\n\n")
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# Make list points stand on their own line
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formatted.gsub!(/[ ]*([*]+) ([^*]*)/) { |s| " #{$1} #{$2.strip}\n" }
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formatted.gsub!(/[ ]*([#]+) ([^#]*)/) { |s| " #{$1} #{$2.strip}\n" }
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formatted
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end
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# Access the mailer instance.
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def mailer
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@_controller
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end
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# Access the message instance.
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def message
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@_message
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end
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# Access the message attachments list.
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def attachments
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@_message.attachments
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end
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# Returns +text+ wrapped at +len+ columns and indented +indent+ spaces.
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#
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# === Examples
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#
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# my_text = "Here is a sample text with more than 40 characters"
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#
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# format_paragraph(my_text, 25, 4)
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# # => " Here is a sample text with\n more than 40 characters"
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def format_paragraph(text, len = 72, indent = 2)
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sentences = [[]]
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text.split.each do |word|
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if sentences.first.present? && (sentences.last + [word]).join(' ').length > len
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sentences << [word]
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else
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sentences.last << word
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end
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end
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sentences.map { |sentence|
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"#{" " * indent}#{sentence.join(' ')}"
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}.join "\n"
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end
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end
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end
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