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Fix roundtripping of \u001f and \u007f in toml string literals (#372)

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This commit is contained in:
Michael Sloan 2020-01-30 00:55:36 -07:00 committed by GitHub
parent f022d042dd
commit cd96581730
3 changed files with 14 additions and 3 deletions
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7
src/ser.rs
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@ -569,8 +569,9 @@ impl<'a> Serializer<'a> {
match ch {
'\t' => {}
'\n' => ty = Type::NewlineTripple,
// note that the following are invalid: \b \f \r
c if c < '\u{1f}' => can_be_pretty = false, // Invalid control character
// Escape codes are needed if any ascii control
// characters are present, including \b \f \r.
c if c <= '\u{1f}' || c == '\u{7f}' => can_be_pretty = false,
_ => {}
}
out.push(ch);
@ -646,7 +647,7 @@ impl<'a> Serializer<'a> {
'\u{d}' => self.dst.push_str("\\r"),
'\u{22}' => self.dst.push_str("\\\""),
'\u{5c}' => self.dst.push_str("\\\\"),
c if c < '\u{1f}' => {
c if c <= '\u{1f}' || c == '\u{7f}' => {
write!(self.dst, "\\u{:04X}", ch as u32).map_err(ser::Error::custom)?;
}
ch => self.dst.push(ch),

8
test-suite/tests/valid/string-escapes.json
View file

@ -46,5 +46,13 @@
"notunicode4": {
"type": "string",
"value": "This string does not have a unicode \\\u0075 escape."
},
"delete": {
"type": "string",
"value": "This string has a \u007f delete control code."
},
"unitseparator": {
"type": "string",
"value": "This string has a \u001f unit separator control code."
}
}

2
test-suite/tests/valid/string-escapes.toml
View file

@ -10,3 +10,5 @@ notunicode1 = "This string does not have a unicode \\u escape."
notunicode2 = "This string does not have a unicode \u005Cu escape."
notunicode3 = "This string does not have a unicode \\u0075 escape."
notunicode4 = "This string does not have a unicode \\\u0075 escape."
delete = "This string has a \u007F delete control code."
unitseparator = "This string has a \u001F unit separator control code."