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csv.rb: honor encoding option

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* lib/csv.rb (CSV#<<): honor explicity given encoding.  based on
  the patch by DAISUKE TANIWAKI <daisuketaniwaki AT gmail.com> at
  [ruby-core:62113].  [Bug #9766]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46391 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-06-10 01:57:10 +00:00
parent 47c64fdf54
commit f9a5335ed4
3 changed files with 24 additions and 7 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Tue Jun 10 10:57:07 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* lib/csv.rb (CSV#<<): honor explicity given encoding. based on
the patch by DAISUKE TANIWAKI <daisuketaniwaki AT gmail.com> at
[ruby-core:62113]. [Bug #9766]
Mon Jun 9 20:40:48 2014 Koichi Sasada <ko1@atdot.net>
* gc.c: change full GC timing to keep lower memory usage.

13
lib/csv.rb
View file

@ -1148,9 +1148,9 @@ class CSV
io.seek(0, IO::SEEK_END)
args.unshift(io)
else
encoding = (args[-1] = args[-1].dup).delete(:encoding) if args.last.is_a?(Hash)
encoding = args[-1][:encoding] if args.last.is_a?(Hash)
str = ""
str.encode!(encoding) if encoding
str.force_encoding(encoding) if encoding
args.unshift(str)
end
csv = new(*args) # wrap
@ -1524,7 +1524,7 @@ class CSV
init_headers(options)
init_comments(options)
options.delete(:encoding)
@force_encoding = !!(encoding || options.delete(:encoding))
options.delete(:internal_encoding)
options.delete(:external_encoding)
unless options.empty?
@ -1664,11 +1664,14 @@ class CSV
output = row.map(&@quote).join(@col_sep) + @row_sep # quote and separate
if @io.is_a?(StringIO) and
output.encoding != raw_encoding and
(compatible_encoding = Encoding.compatible?(@io.string, output))
output.encoding != (encoding = raw_encoding)
if @force_encoding
output = output.encode(encoding)
elsif (compatible_encoding = Encoding.compatible?(@io.string, output))
@io.set_encoding(compatible_encoding)
@io.seek(0, IO::SEEK_END)
end
end
@io << output
self # for chaining

8
test/csv/test_encodings.rb
View file

@ -247,6 +247,14 @@ class TestCSV::Encodings < TestCSV
assert_equal("UTF-8", data.to_csv.encoding.name)
end
def test_explicit_encoding
bug9766 = '[ruby-core:62113] [Bug #9766]'
s = CSV.generate(encoding: "Windows-31J") do |csv|
csv << ["foo".force_encoding("ISO-8859-1"), "\u3042"]
end
assert_equal(["foo,\u3042\n".encode(Encoding::Windows_31J), Encoding::Windows_31J], [s, s.encoding], bug9766)
end
private
def assert_parses(fields, encoding, options = { })