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Use literal style when emitting multiline strings, fixes #64 #97

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merged 1 commit into from
Nov 17, 2012
Merged

Use literal style when emitting multiline strings, fixes #64 #97

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7 changes: 5 additions & 2 deletions lib/psych/visitors/yaml_tree.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -230,15 +230,18 @@ def visit_String o
plain = false
quote = false
style = Nodes::Scalar::ANY
tag = nil
str = o

if binary?(o)
str = [o].pack('m').chomp
tag = '!binary' # FIXME: change to below when syck is removed
#tag = 'tag:yaml.org,2002:binary'
style = Nodes::Scalar::LITERAL
elsif o =~ /\n/
quote = true
style = Nodes::Scalar::LITERAL
else
str = o
tag = nil
quote = !(String === @ss.tokenize(o))
plain = !quote
end
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5 changes: 5 additions & 0 deletions test/psych/test_yaml.rb
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Expand Up @@ -1266,4 +1266,9 @@ def test_normal_exit
Psych.load("2000-01-01 00:00:00.#{"0"*1000} +00:00\n")
# '[ruby-core:13735]'
end

def test_multiline_string_uses_literal_style
yaml = Psych.dump("multi\nline\nstring")
assert_match("|", yaml)
end
end