diff options
Diffstat (limited to 'src/libserialize/json.rs')
| -rw-r--r-- | src/libserialize/json.rs | 180 |
1 files changed, 90 insertions, 90 deletions
diff --git a/src/libserialize/json.rs b/src/libserialize/json.rs index ab16ef23dd1..a7d72351566 100644 --- a/src/libserialize/json.rs +++ b/src/libserialize/json.rs @@ -319,7 +319,7 @@ pub fn encode<T: ::Encodable>(object: &T) -> Result<string::String, EncoderError let mut s = String::new(); { let mut encoder = Encoder::new(&mut s); - try!(object.encode(&mut encoder)); + object.encode(&mut encoder)?; } Ok(s) } @@ -371,7 +371,7 @@ pub type EncodeResult = Result<(), EncoderError>; pub type DecodeResult<T> = Result<T, DecoderError>; fn escape_str(wr: &mut fmt::Write, v: &str) -> EncodeResult { - try!(wr.write_str("\"")); + wr.write_str("\"")?; let mut start = 0; @@ -416,19 +416,19 @@ fn escape_str(wr: &mut fmt::Write, v: &str) -> EncodeResult { }; if start < i { - try!(wr.write_str(&v[start..i])); + wr.write_str(&v[start..i])?; } - try!(wr.write_str(escaped)); + wr.write_str(escaped)?; start = i + 1; } if start != v.len() { - try!(wr.write_str(&v[start..])); + wr.write_str(&v[start..])?; } - try!(wr.write_str("\"")); + wr.write_str("\"")?; Ok(()) } @@ -442,12 +442,12 @@ fn spaces(wr: &mut fmt::Write, mut n: usize) -> EncodeResult { const BUF: &'static str = " "; while n >= BUF.len() { - try!(wr.write_str(BUF)); + wr.write_str(BUF)?; n -= BUF.len(); } if n > 0 { - try!(wr.write_str(&BUF[..n])); + wr.write_str(&BUF[..n])?; } Ok(()) } @@ -491,7 +491,7 @@ impl<'a> ::Encoder for Encoder<'a> { fn emit_nil(&mut self) -> EncodeResult { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, "null")); + write!(self.writer, "null")?; Ok(()) } @@ -510,9 +510,9 @@ impl<'a> ::Encoder for Encoder<'a> { fn emit_bool(&mut self, v: bool) -> EncodeResult { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if v { - try!(write!(self.writer, "true")); + write!(self.writer, "true")?; } else { - try!(write!(self.writer, "false")); + write!(self.writer, "false")?; } Ok(()) } @@ -551,11 +551,11 @@ impl<'a> ::Encoder for Encoder<'a> { escape_str(self.writer, name) } else { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, "{{\"variant\":")); - try!(escape_str(self.writer, name)); - try!(write!(self.writer, ",\"fields\":[")); - try!(f(self)); - try!(write!(self.writer, "]}}")); + write!(self.writer, "{{\"variant\":")?; + escape_str(self.writer, name)?; + write!(self.writer, ",\"fields\":[")?; + f(self)?; + write!(self.writer, "]}}")?; Ok(()) } } @@ -565,7 +565,7 @@ impl<'a> ::Encoder for Encoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if idx != 0 { - try!(write!(self.writer, ",")); + write!(self.writer, ",")?; } f(self) } @@ -595,9 +595,9 @@ impl<'a> ::Encoder for Encoder<'a> { F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, "{{")); - try!(f(self)); - try!(write!(self.writer, "}}")); + write!(self.writer, "{{")?; + f(self)?; + write!(self.writer, "}}")?; Ok(()) } @@ -605,9 +605,9 @@ impl<'a> ::Encoder for Encoder<'a> { F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - if idx != 0 { try!(write!(self.writer, ",")); } - try!(escape_str(self.writer, name)); - try!(write!(self.writer, ":")); + if idx != 0 { write!(self.writer, ",")?; } + escape_str(self.writer, name)?; + write!(self.writer, ":")?; f(self) } @@ -658,9 +658,9 @@ impl<'a> ::Encoder for Encoder<'a> { F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, "[")); - try!(f(self)); - try!(write!(self.writer, "]")); + write!(self.writer, "[")?; + f(self)?; + write!(self.writer, "]")?; Ok(()) } @@ -669,7 +669,7 @@ impl<'a> ::Encoder for Encoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if idx != 0 { - try!(write!(self.writer, ",")); + write!(self.writer, ",")?; } f(self) } @@ -678,9 +678,9 @@ impl<'a> ::Encoder for Encoder<'a> { F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, "{{")); - try!(f(self)); - try!(write!(self.writer, "}}")); + write!(self.writer, "{{")?; + f(self)?; + write!(self.writer, "}}")?; Ok(()) } @@ -688,9 +688,9 @@ impl<'a> ::Encoder for Encoder<'a> { F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - if idx != 0 { try!(write!(self.writer, ",")) } + if idx != 0 { write!(self.writer, ",")? } self.is_emitting_map_key = true; - try!(f(self)); + f(self)?; self.is_emitting_map_key = false; Ok(()) } @@ -699,7 +699,7 @@ impl<'a> ::Encoder for Encoder<'a> { F: FnOnce(&mut Encoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, ":")); + write!(self.writer, ":")?; f(self) } } @@ -739,7 +739,7 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { fn emit_nil(&mut self) -> EncodeResult { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, "null")); + write!(self.writer, "null")?; Ok(()) } @@ -758,9 +758,9 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { fn emit_bool(&mut self, v: bool) -> EncodeResult { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if v { - try!(write!(self.writer, "true")); + write!(self.writer, "true")?; } else { - try!(write!(self.writer, "false")); + write!(self.writer, "false")?; } Ok(()) } @@ -797,23 +797,23 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { escape_str(self.writer, name) } else { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, "{{\n")); + write!(self.writer, "{{\n")?; self.curr_indent += self.indent; - try!(spaces(self.writer, self.curr_indent)); - try!(write!(self.writer, "\"variant\": ")); - try!(escape_str(self.writer, name)); - try!(write!(self.writer, ",\n")); - try!(spaces(self.writer, self.curr_indent)); - try!(write!(self.writer, "\"fields\": [\n")); + spaces(self.writer, self.curr_indent)?; + write!(self.writer, "\"variant\": ")?; + escape_str(self.writer, name)?; + write!(self.writer, ",\n")?; + spaces(self.writer, self.curr_indent)?; + write!(self.writer, "\"fields\": [\n")?; self.curr_indent += self.indent; - try!(f(self)); + f(self)?; self.curr_indent -= self.indent; - try!(write!(self.writer, "\n")); - try!(spaces(self.writer, self.curr_indent)); + write!(self.writer, "\n")?; + spaces(self.writer, self.curr_indent)?; self.curr_indent -= self.indent; - try!(write!(self.writer, "]\n")); - try!(spaces(self.writer, self.curr_indent)); - try!(write!(self.writer, "}}")); + write!(self.writer, "]\n")?; + spaces(self.writer, self.curr_indent)?; + write!(self.writer, "}}")?; Ok(()) } } @@ -823,9 +823,9 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if idx != 0 { - try!(write!(self.writer, ",\n")); + write!(self.writer, ",\n")?; } - try!(spaces(self.writer, self.curr_indent)); + spaces(self.writer, self.curr_indent)?; f(self) } @@ -856,15 +856,15 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if len == 0 { - try!(write!(self.writer, "{{}}")); + write!(self.writer, "{{}}")?; } else { - try!(write!(self.writer, "{{")); + write!(self.writer, "{{")?; self.curr_indent += self.indent; - try!(f(self)); + f(self)?; self.curr_indent -= self.indent; - try!(write!(self.writer, "\n")); - try!(spaces(self.writer, self.curr_indent)); - try!(write!(self.writer, "}}")); + write!(self.writer, "\n")?; + spaces(self.writer, self.curr_indent)?; + write!(self.writer, "}}")?; } Ok(()) } @@ -874,13 +874,13 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if idx == 0 { - try!(write!(self.writer, "\n")); + write!(self.writer, "\n")?; } else { - try!(write!(self.writer, ",\n")); + write!(self.writer, ",\n")?; } - try!(spaces(self.writer, self.curr_indent)); - try!(escape_str(self.writer, name)); - try!(write!(self.writer, ": ")); + spaces(self.writer, self.curr_indent)?; + escape_str(self.writer, name)?; + write!(self.writer, ": ")?; f(self) } @@ -932,15 +932,15 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if len == 0 { - try!(write!(self.writer, "[]")); + write!(self.writer, "[]")?; } else { - try!(write!(self.writer, "[")); + write!(self.writer, "[")?; self.curr_indent += self.indent; - try!(f(self)); + f(self)?; self.curr_indent -= self.indent; - try!(write!(self.writer, "\n")); - try!(spaces(self.writer, self.curr_indent)); - try!(write!(self.writer, "]")); + write!(self.writer, "\n")?; + spaces(self.writer, self.curr_indent)?; + write!(self.writer, "]")?; } Ok(()) } @@ -950,11 +950,11 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if idx == 0 { - try!(write!(self.writer, "\n")); + write!(self.writer, "\n")?; } else { - try!(write!(self.writer, ",\n")); + write!(self.writer, ",\n")?; } - try!(spaces(self.writer, self.curr_indent)); + spaces(self.writer, self.curr_indent)?; f(self) } @@ -963,15 +963,15 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if len == 0 { - try!(write!(self.writer, "{{}}")); + write!(self.writer, "{{}}")?; } else { - try!(write!(self.writer, "{{")); + write!(self.writer, "{{")?; self.curr_indent += self.indent; - try!(f(self)); + f(self)?; self.curr_indent -= self.indent; - try!(write!(self.writer, "\n")); - try!(spaces(self.writer, self.curr_indent)); - try!(write!(self.writer, "}}")); + write!(self.writer, "\n")?; + spaces(self.writer, self.curr_indent)?; + write!(self.writer, "}}")?; } Ok(()) } @@ -981,13 +981,13 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } if idx == 0 { - try!(write!(self.writer, "\n")); + write!(self.writer, "\n")?; } else { - try!(write!(self.writer, ",\n")); + write!(self.writer, ",\n")?; } - try!(spaces(self.writer, self.curr_indent)); + spaces(self.writer, self.curr_indent)?; self.is_emitting_map_key = true; - try!(f(self)); + f(self)?; self.is_emitting_map_key = false; Ok(()) } @@ -996,7 +996,7 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, { if self.is_emitting_map_key { return Err(EncoderError::BadHashmapKey); } - try!(write!(self.writer, ": ")); + write!(self.writer, ": ")?; f(self) } } @@ -1695,7 +1695,7 @@ impl<T: Iterator<Item=char>> Parser<T> { 'n' => res.push('\n'), 'r' => res.push('\r'), 't' => res.push('\t'), - 'u' => match try!(self.decode_hex_escape()) { + 'u' => match self.decode_hex_escape()? { 0xDC00 ... 0xDFFF => { return self.error(LoneLeadingSurrogateInHexEscape) } @@ -1708,7 +1708,7 @@ impl<T: Iterator<Item=char>> Parser<T> { _ => return self.error(UnexpectedEndOfHexEscape), } - let n2 = try!(self.decode_hex_escape()); + let n2 = self.decode_hex_escape()?; if n2 < 0xDC00 || n2 > 0xDFFF { return self.error(LoneLeadingSurrogateInHexEscape) } @@ -2174,7 +2174,7 @@ impl ::Decoder for Decoder { } fn read_char(&mut self) -> DecodeResult<char> { - let s = try!(self.read_str()); + let s = self.read_str()?; { let mut it = s.chars(); match (it.next(), it.next()) { @@ -2264,7 +2264,7 @@ impl ::Decoder for Decoder { fn read_struct<T, F>(&mut self, _name: &str, _len: usize, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { - let value = try!(f(self)); + let value = f(self)?; self.pop(); Ok(value) } @@ -2276,7 +2276,7 @@ impl ::Decoder for Decoder { -> DecodeResult<T> where F: FnOnce(&mut Decoder) -> DecodeResult<T>, { - let mut obj = try!(expect!(self.pop(), Object)); + let mut obj = expect!(self.pop(), Object)?; let value = match obj.remove(&name.to_string()) { None => { @@ -2290,7 +2290,7 @@ impl ::Decoder for Decoder { }, Some(json) => { self.stack.push(json); - try!(f(self)) + f(self)? } }; self.stack.push(Json::Object(obj)); @@ -2346,7 +2346,7 @@ impl ::Decoder for Decoder { fn read_seq<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder, usize) -> DecodeResult<T>, { - let array = try!(expect!(self.pop(), Array)); + let array = expect!(self.pop(), Array)?; let len = array.len(); for v in array.into_iter().rev() { self.stack.push(v); @@ -2363,7 +2363,7 @@ impl ::Decoder for Decoder { fn read_map<T, F>(&mut self, f: F) -> DecodeResult<T> where F: FnOnce(&mut Decoder, usize) -> DecodeResult<T>, { - let obj = try!(expect!(self.pop(), Object)); + let obj = expect!(self.pop(), Object)?; let len = obj.len(); for (key, value) in obj { self.stack.push(value); |
