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Warn when :newline precedes other newline options

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This commit is contained in:
Nobuyoshi Nakada 2020-01-11 10:19:29 +09:00
parent 8bb24712de
commit eb737916b1
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GPG key ID: 4BC7D6DF58D8DF60
2 changed files with 13 additions and 4 deletions
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4
test/ruby/test_econv.rb
View file

@ -922,7 +922,9 @@ class TestEncodingConverter < Test::Unit::TestCase
end
newlines.each do |nl|
opts = {newline: :universal, nl => true}
ec2 = Encoding::Converter.new("", "", **opts)
ec2 = assert_warning(/:newline option preceds/, opts.inspect) do
Encoding::Converter.new("", "", **opts)
end
assert_equal(ec1, ec2)
end
end

13
transcode.c
View file

@ -2418,6 +2418,7 @@ static int
econv_opts(VALUE opt, int ecflags)
{
VALUE v;
int newlineflag = 0;
v = rb_hash_aref(opt, sym_invalid);
if (NIL_P(v)) {
@ -2463,6 +2464,7 @@ econv_opts(VALUE opt, int ecflags)
#ifdef ENABLE_ECONV_NEWLINE_OPTION
v = rb_hash_aref(opt, sym_newline);
if (!NIL_P(v)) {
newlineflag = 2;
ecflags &= ~ECONV_NEWLINE_DECORATOR_MASK;
if (v == sym_universal) {
ecflags |= ECONV_UNIVERSAL_NEWLINE_DECORATOR;
@ -2484,10 +2486,9 @@ econv_opts(VALUE opt, int ecflags)
rb_raise(rb_eArgError, "unexpected value for newline option");
}
}
else
#endif
{
int setflags = 0, newlineflag = 0;
int setflags = 0;
v = rb_hash_aref(opt, sym_universal_newline);
if (RTEST(v))
@ -2504,9 +2505,15 @@ econv_opts(VALUE opt, int ecflags)
setflags |= ECONV_CR_NEWLINE_DECORATOR;
newlineflag |= !NIL_P(v);
if (newlineflag) {
switch (newlineflag) {
case 1:
ecflags &= ~ECONV_NEWLINE_DECORATOR_MASK;
ecflags |= setflags;
break;
case 3:
rb_warning(":newline option preceds other newline options");
break;
}
}