diff options
Diffstat (limited to 'src/libserialize/json.rs')
| -rw-r--r-- | src/libserialize/json.rs | 188 |
1 files changed, 94 insertions, 94 deletions
diff --git a/src/libserialize/json.rs b/src/libserialize/json.rs index 8b0fb75b438..18c79fb9c59 100644 --- a/src/libserialize/json.rs +++ b/src/libserialize/json.rs @@ -193,7 +193,6 @@ //! ``` use self::JsonEvent::*; -use self::StackElement::*; use self::ErrorCode::*; use self::ParserError::*; use self::DecoderError::*; @@ -208,7 +207,7 @@ use std::num::{Float, Int}; use std::num::FpCategory as Fp; use std::str::FromStr; use std::string; -use std::ops; +use std::ops::Index; use unicode::str as unicode_str; use unicode::str::Utf16Item; @@ -384,7 +383,7 @@ fn escape_str(wr: &mut fmt::Writer, v: &str) -> fmt::Result { }; if start < i { - try!(wr.write_str(v[start..i])); + try!(wr.write_str(v.index(&(start..i)))); } try!(wr.write_str(escaped)); @@ -393,7 +392,7 @@ fn escape_str(wr: &mut fmt::Writer, v: &str) -> fmt::Result { } if start != v.len() { - try!(wr.write_str(v[start..])); + try!(wr.write_str(v.index(&(start..)))); } wr.write_str("\"") @@ -402,7 +401,7 @@ fn escape_str(wr: &mut fmt::Writer, v: &str) -> fmt::Result { fn escape_char(writer: &mut fmt::Writer, v: char) -> fmt::Result { let mut buf = [0; 4]; let n = v.encode_utf8(&mut buf).unwrap(); - let buf = unsafe { str::from_utf8_unchecked(buf[0..n]) }; + let buf = unsafe { str::from_utf8_unchecked(buf.index(&(0..n))) }; escape_str(writer, buf) } @@ -415,7 +414,7 @@ fn spaces(wr: &mut fmt::Writer, mut n: uint) -> fmt::Result { } if n > 0 { - wr.write_str(BUF[..n]) + wr.write_str(BUF.index(&(0..n))) } else { Ok(()) } @@ -624,7 +623,7 @@ impl<'a> ::Encoder for Encoder<'a> { let mut check_encoder = Encoder::new(&mut buf); try!(f(transmute(&mut check_encoder))); } - let out = str::from_utf8(buf[]).unwrap(); + let out = str::from_utf8(buf.index(&FullRange)).unwrap(); let needs_wrapping = out.char_at(0) != '"' && out.char_at_reverse(out.len()) != '"'; if needs_wrapping { try!(write!(self.writer, "\"")); } try!(f(self)); @@ -895,7 +894,7 @@ impl<'a> ::Encoder for PrettyEncoder<'a> { let mut check_encoder = PrettyEncoder::new(&mut buf); try!(f(transmute(&mut check_encoder))); } - let out = str::from_utf8(buf[]).unwrap(); + let out = str::from_utf8(buf.index(&FullRange)).unwrap(); let needs_wrapping = out.char_at(0) != '"' && out.char_at_reverse(out.len()) != '"'; if needs_wrapping { try!(write!(self.writer, "\"")); } try!(f(self)); @@ -1028,7 +1027,7 @@ impl Json { /// Returns None otherwise. pub fn as_string<'a>(&'a self) -> Option<&'a str> { match *self { - Json::String(ref s) => Some(s[]), + Json::String(ref s) => Some(s.index(&FullRange)), _ => None } } @@ -1187,7 +1186,7 @@ pub struct Stack { } /// StackElements compose a Stack. -/// For example, Key("foo"), Key("bar"), Index(3) and Key("x") are the +/// For example, StackElement::Key("foo"), StackElement::Key("bar"), StackElement::Index(3) and StackElement::Key("x") are the /// StackElements compositing the stack that represents foo.bar[3].x #[derive(PartialEq, Clone, Show)] pub enum StackElement<'l> { @@ -1219,10 +1218,11 @@ impl Stack { /// at the top. pub fn get<'l>(&'l self, idx: uint) -> StackElement<'l> { match self.stack[idx] { - InternalIndex(i) => Index(i), + InternalIndex(i) => StackElement::Index(i), InternalKey(start, size) => { - Key(str::from_utf8( - self.str_buffer[start as uint .. start as uint + size as uint]).unwrap()) + StackElement::Key(str::from_utf8( + self.str_buffer.index(&((start as uint) .. (start as uint + size as uint)))) + .unwrap()) } } } @@ -1261,16 +1261,16 @@ impl Stack { pub fn top<'l>(&'l self) -> Option<StackElement<'l>> { return match self.stack.last() { None => None, - Some(&InternalIndex(i)) => Some(Index(i)), + Some(&InternalIndex(i)) => Some(StackElement::Index(i)), Some(&InternalKey(start, size)) => { - Some(Key(str::from_utf8( - self.str_buffer[start as uint .. (start+size) as uint] + Some(StackElement::Key(str::from_utf8( + self.str_buffer.index(&((start as uint) .. (start+size) as uint)) ).unwrap())) } } } - // Used by Parser to insert Key elements at the top of the stack. + // Used by Parser to insert StackElement::Key elements at the top of the stack. fn push_key(&mut self, key: string::String) { self.stack.push(InternalKey(self.str_buffer.len() as u16, key.len() as u16)); for c in key.as_bytes().iter() { @@ -1278,7 +1278,7 @@ impl Stack { } } - // Used by Parser to insert Index elements at the top of the stack. + // Used by Parser to insert StackElement::Index elements at the top of the stack. fn push_index(&mut self, index: u32) { self.stack.push(InternalIndex(index)); } @@ -1948,7 +1948,7 @@ impl<T: Iterator<Item=char>> Builder<T> { _ => {} } let key = match self.parser.stack().top() { - Some(Key(k)) => { k.to_string() } + Some(StackElement::Key(k)) => { k.to_string() } _ => { panic!("invalid state"); } }; match self.build_value() { @@ -2143,7 +2143,7 @@ impl ::Decoder for Decoder { return Err(ExpectedError("String or Object".to_string(), format!("{}", json))) } }; - let idx = match names.iter().position(|n| *n == name[]) { + let idx = match names.iter().position(|n| *n == name.index(&FullRange)) { Some(idx) => idx, None => return Err(UnknownVariantError(name)) }; @@ -3351,7 +3351,7 @@ mod tests { hm.insert(1, true); let mut mem_buf = Vec::new(); write!(&mut mem_buf, "{}", super::as_pretty_json(&hm)).unwrap(); - let json_str = from_utf8(mem_buf[]).unwrap(); + let json_str = from_utf8(mem_buf.index(&FullRange)).unwrap(); match from_str(json_str) { Err(_) => panic!("Unable to parse json_str: {}", json_str), _ => {} // it parsed and we are good to go @@ -3367,7 +3367,7 @@ mod tests { hm.insert(1, true); let mut mem_buf = Vec::new(); write!(&mut mem_buf, "{}", super::as_pretty_json(&hm)).unwrap(); - let json_str = from_utf8(mem_buf[]).unwrap(); + let json_str = from_utf8(mem_buf.index(&FullRange)).unwrap(); match from_str(json_str) { Err(_) => panic!("Unable to parse json_str: {}", json_str), _ => {} // it parsed and we are good to go @@ -3407,7 +3407,7 @@ mod tests { write!(&mut writer, "{}", super::as_pretty_json(&json).indent(i)).unwrap(); - let printed = from_utf8(writer[]).unwrap(); + let printed = from_utf8(writer.index(&FullRange)).unwrap(); // Check for indents at each line let lines: Vec<&str> = printed.lines().collect(); @@ -3477,20 +3477,20 @@ mod tests { r#"{ "foo":"bar", "array" : [0, 1, 2, 3, 4, 5], "idents":[null,true,false]}"#, vec![ (ObjectStart, vec![]), - (StringValue("bar".to_string()), vec![Key("foo")]), - (ArrayStart, vec![Key("array")]), - (U64Value(0), vec![Key("array"), Index(0)]), - (U64Value(1), vec![Key("array"), Index(1)]), - (U64Value(2), vec![Key("array"), Index(2)]), - (U64Value(3), vec![Key("array"), Index(3)]), - (U64Value(4), vec![Key("array"), Index(4)]), - (U64Value(5), vec![Key("array"), Index(5)]), - (ArrayEnd, vec![Key("array")]), - (ArrayStart, vec![Key("idents")]), - (NullValue, vec![Key("idents"), Index(0)]), - (BooleanValue(true), vec![Key("idents"), Index(1)]), - (BooleanValue(false), vec![Key("idents"), Index(2)]), - (ArrayEnd, vec![Key("idents")]), + (StringValue("bar".to_string()), vec![StackElement::Key("foo")]), + (ArrayStart, vec![StackElement::Key("array")]), + (U64Value(0), vec![StackElement::Key("array"), StackElement::Index(0)]), + (U64Value(1), vec![StackElement::Key("array"), StackElement::Index(1)]), + (U64Value(2), vec![StackElement::Key("array"), StackElement::Index(2)]), + (U64Value(3), vec![StackElement::Key("array"), StackElement::Index(3)]), + (U64Value(4), vec![StackElement::Key("array"), StackElement::Index(4)]), + (U64Value(5), vec![StackElement::Key("array"), StackElement::Index(5)]), + (ArrayEnd, vec![StackElement::Key("array")]), + (ArrayStart, vec![StackElement::Key("idents")]), + (NullValue, vec![StackElement::Key("idents"), StackElement::Index(0)]), + (BooleanValue(true), vec![StackElement::Key("idents"), StackElement::Index(1)]), + (BooleanValue(false), vec![StackElement::Key("idents"), StackElement::Index(2)]), + (ArrayEnd, vec![StackElement::Key("idents")]), (ObjectEnd, vec![]), ] ); @@ -3530,7 +3530,7 @@ mod tests { "{\"a\": 3}", vec![ (ObjectStart, vec![]), - (U64Value(3), vec![Key("a")]), + (U64Value(3), vec![StackElement::Key("a")]), (ObjectEnd, vec![]), ] ); @@ -3538,8 +3538,8 @@ mod tests { "{ \"a\": null, \"b\" : true }", vec![ (ObjectStart, vec![]), - (NullValue, vec![Key("a")]), - (BooleanValue(true), vec![Key("b")]), + (NullValue, vec![StackElement::Key("a")]), + (BooleanValue(true), vec![StackElement::Key("b")]), (ObjectEnd, vec![]), ] ); @@ -3547,10 +3547,10 @@ mod tests { "{\"a\" : 1.0 ,\"b\": [ true ]}", vec![ (ObjectStart, vec![]), - (F64Value(1.0), vec![Key("a")]), - (ArrayStart, vec![Key("b")]), - (BooleanValue(true),vec![Key("b"), Index(0)]), - (ArrayEnd, vec![Key("b")]), + (F64Value(1.0), vec![StackElement::Key("a")]), + (ArrayStart, vec![StackElement::Key("b")]), + (BooleanValue(true),vec![StackElement::Key("b"), StackElement::Index(0)]), + (ArrayEnd, vec![StackElement::Key("b")]), (ObjectEnd, vec![]), ] ); @@ -3565,16 +3565,16 @@ mod tests { }"#, vec![ (ObjectStart, vec![]), - (F64Value(1.0), vec![Key("a")]), - (ArrayStart, vec![Key("b")]), - (BooleanValue(true), vec![Key("b"), Index(0)]), - (StringValue("foo\nbar".to_string()), vec![Key("b"), Index(1)]), - (ObjectStart, vec![Key("b"), Index(2)]), - (ObjectStart, vec![Key("b"), Index(2), Key("c")]), - (NullValue, vec![Key("b"), Index(2), Key("c"), Key("d")]), - (ObjectEnd, vec![Key("b"), Index(2), Key("c")]), - (ObjectEnd, vec![Key("b"), Index(2)]), - (ArrayEnd, vec![Key("b")]), + (F64Value(1.0), vec![StackElement::Key("a")]), + (ArrayStart, vec![StackElement::Key("b")]), + (BooleanValue(true), vec![StackElement::Key("b"), StackElement::Index(0)]), + (StringValue("foo\nbar".to_string()), vec![StackElement::Key("b"), StackElement::Index(1)]), + (ObjectStart, vec![StackElement::Key("b"), StackElement::Index(2)]), + (ObjectStart, vec![StackElement::Key("b"), StackElement::Index(2), StackElement::Key("c")]), + (NullValue, vec![StackElement::Key("b"), StackElement::Index(2), StackElement::Key("c"), StackElement::Key("d")]), + (ObjectEnd, vec![StackElement::Key("b"), StackElement::Index(2), StackElement::Key("c")]), + (ObjectEnd, vec![StackElement::Key("b"), StackElement::Index(2)]), + (ArrayEnd, vec![StackElement::Key("b")]), (ObjectEnd, vec![]), ] ); @@ -3600,7 +3600,7 @@ mod tests { "[true]", vec![ (ArrayStart, vec![]), - (BooleanValue(true), vec![Index(0)]), + (BooleanValue(true), vec![StackElement::Index(0)]), (ArrayEnd, vec![]), ] ); @@ -3608,7 +3608,7 @@ mod tests { "[ false ]", vec![ (ArrayStart, vec![]), - (BooleanValue(false), vec![Index(0)]), + (BooleanValue(false), vec![StackElement::Index(0)]), (ArrayEnd, vec![]), ] ); @@ -3616,7 +3616,7 @@ mod tests { "[null]", vec![ (ArrayStart, vec![]), - (NullValue, vec![Index(0)]), + (NullValue, vec![StackElement::Index(0)]), (ArrayEnd, vec![]), ] ); @@ -3624,8 +3624,8 @@ mod tests { "[3, 1]", vec![ (ArrayStart, vec![]), - (U64Value(3), vec![Index(0)]), - (U64Value(1), vec![Index(1)]), + (U64Value(3), vec![StackElement::Index(0)]), + (U64Value(1), vec![StackElement::Index(1)]), (ArrayEnd, vec![]), ] ); @@ -3633,8 +3633,8 @@ mod tests { "\n[3, 2]\n", vec![ (ArrayStart, vec![]), - (U64Value(3), vec![Index(0)]), - (U64Value(2), vec![Index(1)]), + (U64Value(3), vec![StackElement::Index(0)]), + (U64Value(2), vec![StackElement::Index(1)]), (ArrayEnd, vec![]), ] ); @@ -3642,11 +3642,11 @@ mod tests { "[2, [4, 1]]", vec![ (ArrayStart, vec![]), - (U64Value(2), vec![Index(0)]), - (ArrayStart, vec![Index(1)]), - (U64Value(4), vec![Index(1), Index(0)]), - (U64Value(1), vec![Index(1), Index(1)]), - (ArrayEnd, vec![Index(1)]), + (U64Value(2), vec![StackElement::Index(0)]), + (ArrayStart, vec![StackElement::Index(1)]), + (U64Value(4), vec![StackElement::Index(1), StackElement::Index(0)]), + (U64Value(1), vec![StackElement::Index(1), StackElement::Index(1)]), + (ArrayEnd, vec![StackElement::Index(1)]), (ArrayEnd, vec![]), ] ); @@ -3695,50 +3695,50 @@ mod tests { stack.bump_index(); assert!(stack.len() == 1); - assert!(stack.is_equal_to(&[Index(1)])); - assert!(stack.starts_with(&[Index(1)])); - assert!(stack.ends_with(&[Index(1)])); + assert!(stack.is_equal_to(&[StackElement::Index(1)])); + assert!(stack.starts_with(&[StackElement::Index(1)])); + assert!(stack.ends_with(&[StackElement::Index(1)])); assert!(stack.last_is_index()); - assert!(stack.get(0) == Index(1)); + assert!(stack.get(0) == StackElement::Index(1)); stack.push_key("foo".to_string()); assert!(stack.len() == 2); - assert!(stack.is_equal_to(&[Index(1), Key("foo")])); - assert!(stack.starts_with(&[Index(1), Key("foo")])); - assert!(stack.starts_with(&[Index(1)])); - assert!(stack.ends_with(&[Index(1), Key("foo")])); - assert!(stack.ends_with(&[Key("foo")])); + assert!(stack.is_equal_to(&[StackElement::Index(1), StackElement::Key("foo")])); + assert!(stack.starts_with(&[StackElement::Index(1), StackElement::Key("foo")])); + assert!(stack.starts_with(&[StackElement::Index(1)])); + assert!(stack.ends_with(&[StackElement::Index(1), StackElement::Key("foo")])); + assert!(stack.ends_with(&[StackElement::Key("foo")])); assert!(!stack.last_is_index()); - assert!(stack.get(0) == Index(1)); - assert!(stack.get(1) == Key("foo")); + assert!(stack.get(0) == StackElement::Index(1)); + assert!(stack.get(1) == StackElement::Key("foo")); stack.push_key("bar".to_string()); assert!(stack.len() == 3); - assert!(stack.is_equal_to(&[Index(1), Key("foo"), Key("bar")])); - assert!(stack.starts_with(&[Index(1)])); - assert!(stack.starts_with(&[Index(1), Key("foo")])); - assert!(stack.starts_with(&[Index(1), Key("foo"), Key("bar")])); - assert!(stack.ends_with(&[Key("bar")])); - assert!(stack.ends_with(&[Key("foo"), Key("bar")])); - assert!(stack.ends_with(&[Index(1), Key("foo"), Key("bar")])); + assert!(stack.is_equal_to(&[StackElement::Index(1), StackElement::Key("foo"), StackElement::Key("bar")])); + assert!(stack.starts_with(&[StackElement::Index(1)])); + assert!(stack.starts_with(&[StackElement::Index(1), StackElement::Key("foo")])); + assert!(stack.starts_with(&[StackElement::Index(1), StackElement::Key("foo"), StackElement::Key("bar")])); + assert!(stack.ends_with(&[StackElement::Key("bar")])); + assert!(stack.ends_with(&[StackElement::Key("foo"), StackElement::Key("bar")])); + assert!(stack.ends_with(&[StackElement::Index(1), StackElement::Key("foo"), StackElement::Key("bar")])); assert!(!stack.last_is_index()); - assert!(stack.get(0) == Index(1)); - assert!(stack.get(1) == Key("foo")); - assert!(stack.get(2) == Key("bar")); + assert!(stack.get(0) == StackElement::Index(1)); + assert!(stack.get(1) == StackElement::Key("foo")); + assert!(stack.get(2) == StackElement::Key("bar")); stack.pop(); assert!(stack.len() == 2); - assert!(stack.is_equal_to(&[Index(1), Key("foo")])); - assert!(stack.starts_with(&[Index(1), Key("foo")])); - assert!(stack.starts_with(&[Index(1)])); - assert!(stack.ends_with(&[Index(1), Key("foo")])); - assert!(stack.ends_with(&[Key("foo")])); + assert!(stack.is_equal_to(&[StackElement::Index(1), StackElement::Key("foo")])); + assert!(stack.starts_with(&[StackElement::Index(1), StackElement::Key("foo")])); + assert!(stack.starts_with(&[StackElement::Index(1)])); + assert!(stack.ends_with(&[StackElement::Index(1), StackElement::Key("foo")])); + assert!(stack.ends_with(&[StackElement::Key("foo")])); assert!(!stack.last_is_index()); - assert!(stack.get(0) == Index(1)); - assert!(stack.get(1) == Key("foo")); + assert!(stack.get(0) == StackElement::Index(1)); + assert!(stack.get(1) == StackElement::Key("foo")); } #[test] |