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Contents
module Cri::CoreExtensions
module String
# Word-wraps and indents the string.
#
# +width+:: The maximal width of each line. This also includes indentation,
# i.e. the actual maximal width of the text is width-indentation.
#
# +indentation+:: The number of spaces to indent each wrapped line.
def wrap_and_indent(width, indentation)
# Split into paragraphs
paragraphs = self.split("\n").map { |p| p.strip }.reject { |p| p == '' }
# Wrap and indent each paragraph
paragraphs.map do |paragraph|
# Initialize
lines = []
line = ''
# Split into words
paragraph.split(/\s/).each do |word|
# Begin new line if it's too long
if (line + ' ' + word).length >= width
lines << line
line = ''
end
# Add word to line
line += (line == '' ? '' : ' ' ) + word
end
lines << line
# Join lines
lines.map { |l| ' '*indentation + l }.join("\n")
end.join("\n\n")
end
end
end
Version data entries
19 entries across 19 versions & 4 rubygems