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Diffstat (limited to 'lib/rubygems/text.rb')
-rw-r--r-- | lib/rubygems/text.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/rubygems/text.rb b/lib/rubygems/text.rb new file mode 100644 index 0000000000..c694e8a9c0 --- /dev/null +++ b/lib/rubygems/text.rb @@ -0,0 +1,30 @@ +require 'rubygems' + +## +# A collection of text-wrangling methods + +module Gem::Text + + ## + # Wraps +text+ to +wrap+ characters and optionally indents by +indent+ + # characters + + def format_text(text, wrap, indent=0) + result = [] + work = text.dup + + while work.length > wrap do + if work =~ /^(.{0,#{wrap}})[ \n]/ then + result << $1 + work.slice!(0, $&.length) + else + result << work.slice!(0, wrap) + end + end + + result << work if work.length.nonzero? + result.join("\n").gsub(/^/, " " * indent) + end + +end + |