Line | Count | Source (jump to first uncovered line) |
1 | | use crate::de::ParserNumber; |
2 | | use crate::error::Error; |
3 | | #[cfg(feature = "arbitrary_precision")] |
4 | | use crate::error::ErrorCode; |
5 | | #[cfg(feature = "arbitrary_precision")] |
6 | | use alloc::borrow::ToOwned; |
7 | | #[cfg(feature = "arbitrary_precision")] |
8 | | use alloc::string::{String, ToString}; |
9 | | use core::fmt::{self, Debug, Display}; |
10 | | #[cfg(not(feature = "arbitrary_precision"))] |
11 | | use core::hash::{Hash, Hasher}; |
12 | | use serde::de::{self, Unexpected, Visitor}; |
13 | | #[cfg(feature = "arbitrary_precision")] |
14 | | use serde::de::{IntoDeserializer, MapAccess}; |
15 | | use serde::{forward_to_deserialize_any, Deserialize, Deserializer, Serialize, Serializer}; |
16 | | |
17 | | #[cfg(feature = "arbitrary_precision")] |
18 | | pub(crate) const TOKEN: &str = "$serde_json::private::Number"; |
19 | | |
20 | | /// Represents a JSON number, whether integer or floating point. |
21 | | #[derive(Clone, PartialEq, Eq, Hash)] |
22 | | pub struct Number { |
23 | | n: N, |
24 | | } |
25 | | |
26 | | #[cfg(not(feature = "arbitrary_precision"))] |
27 | | #[derive(Copy, Clone)] |
28 | | enum N { |
29 | | PosInt(u64), |
30 | | /// Always less than zero. |
31 | | NegInt(i64), |
32 | | /// Always finite. |
33 | | Float(f64), |
34 | | } |
35 | | |
36 | | #[cfg(not(feature = "arbitrary_precision"))] |
37 | | impl PartialEq for N { |
38 | 0 | fn eq(&self, other: &Self) -> bool { |
39 | 0 | match (self, other) { |
40 | 0 | (N::PosInt(a), N::PosInt(b)) => a == b, |
41 | 0 | (N::NegInt(a), N::NegInt(b)) => a == b, |
42 | 0 | (N::Float(a), N::Float(b)) => a == b, |
43 | 0 | _ => false, |
44 | | } |
45 | 0 | } |
46 | | } |
47 | | |
48 | | // Implementing Eq is fine since any float values are always finite. |
49 | | #[cfg(not(feature = "arbitrary_precision"))] |
50 | | impl Eq for N {} |
51 | | |
52 | | #[cfg(not(feature = "arbitrary_precision"))] |
53 | | impl Hash for N { |
54 | 0 | fn hash<H: Hasher>(&self, h: &mut H) { |
55 | 0 | match *self { |
56 | 0 | N::PosInt(i) => i.hash(h), |
57 | 0 | N::NegInt(i) => i.hash(h), |
58 | 0 | N::Float(f) => { |
59 | 0 | if f == 0.0f64 { |
60 | 0 | // There are 2 zero representations, +0 and -0, which |
61 | 0 | // compare equal but have different bits. We use the +0 hash |
62 | 0 | // for both so that hash(+0) == hash(-0). |
63 | 0 | 0.0f64.to_bits().hash(h); |
64 | 0 | } else { |
65 | 0 | f.to_bits().hash(h); |
66 | 0 | } |
67 | | } |
68 | | } |
69 | 0 | } |
70 | | } |
71 | | |
72 | | #[cfg(feature = "arbitrary_precision")] |
73 | | type N = String; |
74 | | |
75 | | impl Number { |
76 | | /// Returns true if the `Number` is an integer between `i64::MIN` and |
77 | | /// `i64::MAX`. |
78 | | /// |
79 | | /// For any Number on which `is_i64` returns true, `as_i64` is guaranteed to |
80 | | /// return the integer value. |
81 | 0 | pub fn is_i64(&self) -> bool { |
82 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
83 | 0 | match self.n { |
84 | 0 | N::PosInt(v) => v <= i64::MAX as u64, |
85 | 0 | N::NegInt(_) => true, |
86 | 0 | N::Float(_) => false, |
87 | | } |
88 | | #[cfg(feature = "arbitrary_precision")] |
89 | | self.as_i64().is_some() |
90 | 0 | } |
91 | | |
92 | | /// Returns true if the `Number` is an integer between zero and `u64::MAX`. |
93 | | /// |
94 | | /// For any Number on which `is_u64` returns true, `as_u64` is guaranteed to |
95 | | /// return the integer value. |
96 | 0 | pub fn is_u64(&self) -> bool { |
97 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
98 | 0 | match self.n { |
99 | 0 | N::PosInt(_) => true, |
100 | 0 | N::NegInt(_) | N::Float(_) => false, |
101 | | } |
102 | | #[cfg(feature = "arbitrary_precision")] |
103 | | self.as_u64().is_some() |
104 | 0 | } |
105 | | |
106 | | /// Returns true if the `Number` can be represented by f64. |
107 | | /// |
108 | | /// For any Number on which `is_f64` returns true, `as_f64` is guaranteed to |
109 | | /// return the floating point value. |
110 | | /// |
111 | | /// Currently this function returns true if and only if both `is_i64` and |
112 | | /// `is_u64` return false but this is not a guarantee in the future. |
113 | 0 | pub fn is_f64(&self) -> bool { |
114 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
115 | 0 | match self.n { |
116 | 0 | N::Float(_) => true, |
117 | 0 | N::PosInt(_) | N::NegInt(_) => false, |
118 | | } |
119 | | #[cfg(feature = "arbitrary_precision")] |
120 | | { |
121 | | for c in self.n.chars() { |
122 | | if c == '.' || c == 'e' || c == 'E' { |
123 | | return self.n.parse::<f64>().ok().map_or(false, f64::is_finite); |
124 | | } |
125 | | } |
126 | | false |
127 | | } |
128 | 0 | } |
129 | | |
130 | | /// If the `Number` is an integer, represent it as i64 if possible. Returns |
131 | | /// None otherwise. |
132 | 0 | pub fn as_i64(&self) -> Option<i64> { |
133 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
134 | 0 | match self.n { |
135 | 0 | N::PosInt(n) => { |
136 | 0 | if n <= i64::MAX as u64 { |
137 | 0 | Some(n as i64) |
138 | | } else { |
139 | 0 | None |
140 | | } |
141 | | } |
142 | 0 | N::NegInt(n) => Some(n), |
143 | 0 | N::Float(_) => None, |
144 | | } |
145 | | #[cfg(feature = "arbitrary_precision")] |
146 | | self.n.parse().ok() |
147 | 0 | } |
148 | | |
149 | | /// If the `Number` is an integer, represent it as u64 if possible. Returns |
150 | | /// None otherwise. |
151 | 0 | pub fn as_u64(&self) -> Option<u64> { |
152 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
153 | 0 | match self.n { |
154 | 0 | N::PosInt(n) => Some(n), |
155 | 0 | N::NegInt(_) | N::Float(_) => None, |
156 | | } |
157 | | #[cfg(feature = "arbitrary_precision")] |
158 | | self.n.parse().ok() |
159 | 0 | } |
160 | | |
161 | | /// Represents the number as f64 if possible. Returns None otherwise. |
162 | 0 | pub fn as_f64(&self) -> Option<f64> { |
163 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
164 | 0 | match self.n { |
165 | 0 | N::PosInt(n) => Some(n as f64), |
166 | 0 | N::NegInt(n) => Some(n as f64), |
167 | 0 | N::Float(n) => Some(n), |
168 | | } |
169 | | #[cfg(feature = "arbitrary_precision")] |
170 | | self.n.parse::<f64>().ok().filter(|float| float.is_finite()) |
171 | 0 | } |
172 | | |
173 | | /// Converts a finite `f64` to a `Number`. Infinite or NaN values are not JSON |
174 | | /// numbers. |
175 | | /// |
176 | | /// ``` |
177 | | /// # use serde_json::Number; |
178 | | /// # |
179 | | /// assert!(Number::from_f64(256.0).is_some()); |
180 | | /// |
181 | | /// assert!(Number::from_f64(f64::NAN).is_none()); |
182 | | /// ``` |
183 | 241k | pub fn from_f64(f: f64) -> Option<Number> { |
184 | 241k | if f.is_finite() { |
185 | 241k | let n = { |
186 | 241k | #[cfg(not(feature = "arbitrary_precision"))] |
187 | 241k | { |
188 | 241k | N::Float(f) |
189 | 241k | } |
190 | 241k | #[cfg(feature = "arbitrary_precision")] |
191 | 241k | { |
192 | 241k | ryu::Buffer::new().format_finite(f).to_owned() |
193 | 241k | } |
194 | 241k | }; |
195 | 241k | Some(Number { n }) |
196 | | } else { |
197 | 0 | None |
198 | | } |
199 | 241k | } |
200 | | |
201 | | /// If the `Number` is an integer, represent it as i128 if possible. Returns |
202 | | /// None otherwise. |
203 | 0 | pub fn as_i128(&self) -> Option<i128> { |
204 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
205 | 0 | match self.n { |
206 | 0 | N::PosInt(n) => Some(n as i128), |
207 | 0 | N::NegInt(n) => Some(n as i128), |
208 | 0 | N::Float(_) => None, |
209 | | } |
210 | | #[cfg(feature = "arbitrary_precision")] |
211 | | self.n.parse().ok() |
212 | 0 | } |
213 | | |
214 | | /// If the `Number` is an integer, represent it as u128 if possible. Returns |
215 | | /// None otherwise. |
216 | 0 | pub fn as_u128(&self) -> Option<u128> { |
217 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
218 | 0 | match self.n { |
219 | 0 | N::PosInt(n) => Some(n as u128), |
220 | 0 | N::NegInt(_) | N::Float(_) => None, |
221 | | } |
222 | | #[cfg(feature = "arbitrary_precision")] |
223 | | self.n.parse().ok() |
224 | 0 | } |
225 | | |
226 | | /// Converts an `i128` to a `Number`. Numbers smaller than i64::MIN or |
227 | | /// larger than u64::MAX can only be represented in `Number` if serde_json's |
228 | | /// "arbitrary_precision" feature is enabled. |
229 | | /// |
230 | | /// ``` |
231 | | /// # use serde_json::Number; |
232 | | /// # |
233 | | /// assert!(Number::from_i128(256).is_some()); |
234 | | /// ``` |
235 | 0 | pub fn from_i128(i: i128) -> Option<Number> { |
236 | 0 | let n = { |
237 | | #[cfg(not(feature = "arbitrary_precision"))] |
238 | | { |
239 | 0 | if let Ok(u) = u64::try_from(i) { |
240 | 0 | N::PosInt(u) |
241 | 0 | } else if let Ok(i) = i64::try_from(i) { |
242 | 0 | N::NegInt(i) |
243 | | } else { |
244 | 0 | return None; |
245 | | } |
246 | | } |
247 | | #[cfg(feature = "arbitrary_precision")] |
248 | | { |
249 | | i.to_string() |
250 | | } |
251 | | }; |
252 | 0 | Some(Number { n }) |
253 | 0 | } |
254 | | |
255 | | /// Converts a `u128` to a `Number`. Numbers greater than u64::MAX can only |
256 | | /// be represented in `Number` if serde_json's "arbitrary_precision" feature |
257 | | /// is enabled. |
258 | | /// |
259 | | /// ``` |
260 | | /// # use serde_json::Number; |
261 | | /// # |
262 | | /// assert!(Number::from_u128(256).is_some()); |
263 | | /// ``` |
264 | 0 | pub fn from_u128(i: u128) -> Option<Number> { |
265 | 0 | let n = { |
266 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
267 | 0 | { |
268 | 0 | if let Ok(u) = u64::try_from(i) { |
269 | 0 | N::PosInt(u) |
270 | | } else { |
271 | 0 | return None; |
272 | | } |
273 | | } |
274 | | #[cfg(feature = "arbitrary_precision")] |
275 | | { |
276 | | i.to_string() |
277 | | } |
278 | | }; |
279 | 0 | Some(Number { n }) |
280 | 0 | } |
281 | | |
282 | | /// Returns the exact original JSON representation that this Number was |
283 | | /// parsed from. |
284 | | /// |
285 | | /// For numbers constructed not via parsing, such as by `From<i32>`, returns |
286 | | /// the JSON representation that serde\_json would serialize for this |
287 | | /// number. |
288 | | /// |
289 | | /// ``` |
290 | | /// # use serde_json::Number; |
291 | | /// for value in [ |
292 | | /// "7", |
293 | | /// "12.34", |
294 | | /// "34e-56789", |
295 | | /// "0.0123456789000000012345678900000001234567890000123456789", |
296 | | /// "343412345678910111213141516171819202122232425262728293034", |
297 | | /// "-343412345678910111213141516171819202122232425262728293031", |
298 | | /// ] { |
299 | | /// let number: Number = serde_json::from_str(value).unwrap(); |
300 | | /// assert_eq!(number.as_str(), value); |
301 | | /// } |
302 | | /// ``` |
303 | | #[cfg(feature = "arbitrary_precision")] |
304 | | #[cfg_attr(docsrs, doc(cfg(feature = "arbitrary_precision")))] |
305 | | pub fn as_str(&self) -> &str { |
306 | | &self.n |
307 | | } |
308 | | |
309 | 0 | pub(crate) fn as_f32(&self) -> Option<f32> { |
310 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
311 | 0 | match self.n { |
312 | 0 | N::PosInt(n) => Some(n as f32), |
313 | 0 | N::NegInt(n) => Some(n as f32), |
314 | 0 | N::Float(n) => Some(n as f32), |
315 | | } |
316 | | #[cfg(feature = "arbitrary_precision")] |
317 | | self.n.parse::<f32>().ok().filter(|float| float.is_finite()) |
318 | 0 | } |
319 | | |
320 | 0 | pub(crate) fn from_f32(f: f32) -> Option<Number> { |
321 | 0 | if f.is_finite() { |
322 | 0 | let n = { |
323 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
324 | 0 | { |
325 | 0 | N::Float(f as f64) |
326 | 0 | } |
327 | 0 | #[cfg(feature = "arbitrary_precision")] |
328 | 0 | { |
329 | 0 | ryu::Buffer::new().format_finite(f).to_owned() |
330 | 0 | } |
331 | 0 | }; |
332 | 0 | Some(Number { n }) |
333 | | } else { |
334 | 0 | None |
335 | | } |
336 | 0 | } |
337 | | |
338 | | #[cfg(feature = "arbitrary_precision")] |
339 | | /// Not public API. Only tests use this. |
340 | | #[doc(hidden)] |
341 | | #[inline] |
342 | | pub fn from_string_unchecked(n: String) -> Self { |
343 | | Number { n } |
344 | | } |
345 | | } |
346 | | |
347 | | impl Display for Number { |
348 | | #[cfg(not(feature = "arbitrary_precision"))] |
349 | 0 | fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { |
350 | 0 | match self.n { |
351 | 0 | N::PosInt(u) => formatter.write_str(itoa::Buffer::new().format(u)), |
352 | 0 | N::NegInt(i) => formatter.write_str(itoa::Buffer::new().format(i)), |
353 | 0 | N::Float(f) => formatter.write_str(ryu::Buffer::new().format_finite(f)), |
354 | | } |
355 | 0 | } |
356 | | |
357 | | #[cfg(feature = "arbitrary_precision")] |
358 | | fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { |
359 | | Display::fmt(&self.n, formatter) |
360 | | } |
361 | | } |
362 | | |
363 | | impl Debug for Number { |
364 | 0 | fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { |
365 | 0 | write!(formatter, "Number({})", self) |
366 | 0 | } |
367 | | } |
368 | | |
369 | | impl Serialize for Number { |
370 | | #[cfg(not(feature = "arbitrary_precision"))] |
371 | 0 | fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> |
372 | 0 | where |
373 | 0 | S: Serializer, |
374 | 0 | { |
375 | 0 | match self.n { |
376 | 0 | N::PosInt(u) => serializer.serialize_u64(u), |
377 | 0 | N::NegInt(i) => serializer.serialize_i64(i), |
378 | 0 | N::Float(f) => serializer.serialize_f64(f), |
379 | | } |
380 | 0 | } Unexecuted instantiation: <serde_json::number::Number as serde::ser::Serialize>::serialize::<&mut serde_json::ser::Serializer<&mut <serde_json::value::Value as core::fmt::Display>::fmt::WriterFormatter>> Unexecuted instantiation: <serde_json::number::Number as serde::ser::Serialize>::serialize::<&mut serde_json::ser::Serializer<&mut <serde_json::value::Value as core::fmt::Display>::fmt::WriterFormatter, serde_json::ser::PrettyFormatter>> |
381 | | |
382 | | #[cfg(feature = "arbitrary_precision")] |
383 | | fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> |
384 | | where |
385 | | S: Serializer, |
386 | | { |
387 | | use serde::ser::SerializeStruct; |
388 | | |
389 | | let mut s = tri!(serializer.serialize_struct(TOKEN, 1)); |
390 | | tri!(s.serialize_field(TOKEN, &self.n)); |
391 | | s.end() |
392 | | } |
393 | | } |
394 | | |
395 | | impl<'de> Deserialize<'de> for Number { |
396 | | #[inline] |
397 | 0 | fn deserialize<D>(deserializer: D) -> Result<Number, D::Error> |
398 | 0 | where |
399 | 0 | D: Deserializer<'de>, |
400 | 0 | { |
401 | | struct NumberVisitor; |
402 | | |
403 | | impl<'de> Visitor<'de> for NumberVisitor { |
404 | | type Value = Number; |
405 | | |
406 | 0 | fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { |
407 | 0 | formatter.write_str("a JSON number") |
408 | 0 | } |
409 | | |
410 | 0 | fn visit_i64<E>(self, value: i64) -> Result<Number, E> { |
411 | 0 | Ok(value.into()) |
412 | 0 | } |
413 | | |
414 | 0 | fn visit_i128<E>(self, value: i128) -> Result<Number, E> |
415 | 0 | where |
416 | 0 | E: de::Error, |
417 | 0 | { |
418 | 0 | Number::from_i128(value) |
419 | 0 | .ok_or_else(|| de::Error::custom("JSON number out of range")) |
420 | 0 | } |
421 | | |
422 | 0 | fn visit_u64<E>(self, value: u64) -> Result<Number, E> { |
423 | 0 | Ok(value.into()) |
424 | 0 | } |
425 | | |
426 | 0 | fn visit_u128<E>(self, value: u128) -> Result<Number, E> |
427 | 0 | where |
428 | 0 | E: de::Error, |
429 | 0 | { |
430 | 0 | Number::from_u128(value) |
431 | 0 | .ok_or_else(|| de::Error::custom("JSON number out of range")) |
432 | 0 | } |
433 | | |
434 | 0 | fn visit_f64<E>(self, value: f64) -> Result<Number, E> |
435 | 0 | where |
436 | 0 | E: de::Error, |
437 | 0 | { |
438 | 0 | Number::from_f64(value).ok_or_else(|| de::Error::custom("not a JSON number")) |
439 | 0 | } |
440 | | |
441 | | #[cfg(feature = "arbitrary_precision")] |
442 | | fn visit_map<V>(self, mut visitor: V) -> Result<Number, V::Error> |
443 | | where |
444 | | V: de::MapAccess<'de>, |
445 | | { |
446 | | let value = tri!(visitor.next_key::<NumberKey>()); |
447 | | if value.is_none() { |
448 | | return Err(de::Error::invalid_type(Unexpected::Map, &self)); |
449 | | } |
450 | | let v: NumberFromString = tri!(visitor.next_value()); |
451 | | Ok(v.value) |
452 | | } |
453 | | } |
454 | | |
455 | 0 | deserializer.deserialize_any(NumberVisitor) |
456 | 0 | } |
457 | | } |
458 | | |
459 | | #[cfg(feature = "arbitrary_precision")] |
460 | | struct NumberKey; |
461 | | |
462 | | #[cfg(feature = "arbitrary_precision")] |
463 | | impl<'de> de::Deserialize<'de> for NumberKey { |
464 | | fn deserialize<D>(deserializer: D) -> Result<NumberKey, D::Error> |
465 | | where |
466 | | D: de::Deserializer<'de>, |
467 | | { |
468 | | struct FieldVisitor; |
469 | | |
470 | | impl<'de> de::Visitor<'de> for FieldVisitor { |
471 | | type Value = (); |
472 | | |
473 | | fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { |
474 | | formatter.write_str("a valid number field") |
475 | | } |
476 | | |
477 | | fn visit_str<E>(self, s: &str) -> Result<(), E> |
478 | | where |
479 | | E: de::Error, |
480 | | { |
481 | | if s == TOKEN { |
482 | | Ok(()) |
483 | | } else { |
484 | | Err(de::Error::custom("expected field with custom name")) |
485 | | } |
486 | | } |
487 | | } |
488 | | |
489 | | tri!(deserializer.deserialize_identifier(FieldVisitor)); |
490 | | Ok(NumberKey) |
491 | | } |
492 | | } |
493 | | |
494 | | #[cfg(feature = "arbitrary_precision")] |
495 | | pub struct NumberFromString { |
496 | | pub value: Number, |
497 | | } |
498 | | |
499 | | #[cfg(feature = "arbitrary_precision")] |
500 | | impl<'de> de::Deserialize<'de> for NumberFromString { |
501 | | fn deserialize<D>(deserializer: D) -> Result<NumberFromString, D::Error> |
502 | | where |
503 | | D: de::Deserializer<'de>, |
504 | | { |
505 | | struct Visitor; |
506 | | |
507 | | impl<'de> de::Visitor<'de> for Visitor { |
508 | | type Value = NumberFromString; |
509 | | |
510 | | fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { |
511 | | formatter.write_str("string containing a number") |
512 | | } |
513 | | |
514 | | fn visit_str<E>(self, s: &str) -> Result<NumberFromString, E> |
515 | | where |
516 | | E: de::Error, |
517 | | { |
518 | | let n = tri!(s.parse().map_err(de::Error::custom)); |
519 | | Ok(NumberFromString { value: n }) |
520 | | } |
521 | | } |
522 | | |
523 | | deserializer.deserialize_str(Visitor) |
524 | | } |
525 | | } |
526 | | |
527 | | #[cfg(feature = "arbitrary_precision")] |
528 | | fn invalid_number() -> Error { |
529 | | Error::syntax(ErrorCode::InvalidNumber, 0, 0) |
530 | | } |
531 | | |
532 | | macro_rules! deserialize_any { |
533 | | (@expand [$($num_string:tt)*]) => { |
534 | | #[cfg(not(feature = "arbitrary_precision"))] |
535 | 0 | fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error> |
536 | 0 | where |
537 | 0 | V: Visitor<'de>, |
538 | 0 | { |
539 | 0 | match self.n { |
540 | 0 | N::PosInt(u) => visitor.visit_u64(u), |
541 | 0 | N::NegInt(i) => visitor.visit_i64(i), |
542 | 0 | N::Float(f) => visitor.visit_f64(f), |
543 | | } |
544 | 0 | } Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_any::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_any::<_> |
545 | | |
546 | | #[cfg(feature = "arbitrary_precision")] |
547 | | fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error> |
548 | | where V: Visitor<'de> |
549 | | { |
550 | | if let Some(u) = self.as_u64() { |
551 | | return visitor.visit_u64(u); |
552 | | } else if let Some(i) = self.as_i64() { |
553 | | return visitor.visit_i64(i); |
554 | | } else if let Some(u) = self.as_u128() { |
555 | | return visitor.visit_u128(u); |
556 | | } else if let Some(i) = self.as_i128() { |
557 | | return visitor.visit_i128(i); |
558 | | } else if let Some(f) = self.as_f64() { |
559 | | if ryu::Buffer::new().format_finite(f) == self.n || f.to_string() == self.n { |
560 | | return visitor.visit_f64(f); |
561 | | } |
562 | | } |
563 | | |
564 | | visitor.visit_map(NumberDeserializer { |
565 | | number: Some(self.$($num_string)*), |
566 | | }) |
567 | | } |
568 | | }; |
569 | | |
570 | | (owned) => { |
571 | | deserialize_any!(@expand [n]); |
572 | | }; |
573 | | |
574 | | (ref) => { |
575 | | deserialize_any!(@expand [n.clone()]); |
576 | | }; |
577 | | } |
578 | | |
579 | | macro_rules! deserialize_number { |
580 | | ($deserialize:ident => $visit:ident) => { |
581 | | #[cfg(not(feature = "arbitrary_precision"))] |
582 | 0 | fn $deserialize<V>(self, visitor: V) -> Result<V::Value, Error> |
583 | 0 | where |
584 | 0 | V: Visitor<'de>, |
585 | 0 | { |
586 | 0 | self.deserialize_any(visitor) |
587 | 0 | } Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_i8::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_i16::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_i32::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_i64::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_i128::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_u8::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_u16::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_u32::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_u64::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_u128::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_f32::<_> Unexecuted instantiation: <serde_json::number::Number as serde::de::Deserializer>::deserialize_f64::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_i8::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_i16::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_i32::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_i64::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_i128::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_u8::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_u16::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_u32::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_u64::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_u128::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_f32::<_> Unexecuted instantiation: <&serde_json::number::Number as serde::de::Deserializer>::deserialize_f64::<_> |
588 | | |
589 | | #[cfg(feature = "arbitrary_precision")] |
590 | | fn $deserialize<V>(self, visitor: V) -> Result<V::Value, Error> |
591 | | where |
592 | | V: de::Visitor<'de>, |
593 | | { |
594 | | visitor.$visit(tri!(self.n.parse().map_err(|_| invalid_number()))) |
595 | | } |
596 | | }; |
597 | | } |
598 | | |
599 | | impl<'de> Deserializer<'de> for Number { |
600 | | type Error = Error; |
601 | | |
602 | | deserialize_any!(owned); |
603 | | |
604 | | deserialize_number!(deserialize_i8 => visit_i8); |
605 | | deserialize_number!(deserialize_i16 => visit_i16); |
606 | | deserialize_number!(deserialize_i32 => visit_i32); |
607 | | deserialize_number!(deserialize_i64 => visit_i64); |
608 | | deserialize_number!(deserialize_i128 => visit_i128); |
609 | | deserialize_number!(deserialize_u8 => visit_u8); |
610 | | deserialize_number!(deserialize_u16 => visit_u16); |
611 | | deserialize_number!(deserialize_u32 => visit_u32); |
612 | | deserialize_number!(deserialize_u64 => visit_u64); |
613 | | deserialize_number!(deserialize_u128 => visit_u128); |
614 | | deserialize_number!(deserialize_f32 => visit_f32); |
615 | | deserialize_number!(deserialize_f64 => visit_f64); |
616 | | |
617 | | forward_to_deserialize_any! { |
618 | | bool char str string bytes byte_buf option unit unit_struct |
619 | | newtype_struct seq tuple tuple_struct map struct enum identifier |
620 | | ignored_any |
621 | | } |
622 | | } |
623 | | |
624 | | impl<'de> Deserializer<'de> for &Number { |
625 | | type Error = Error; |
626 | | |
627 | | deserialize_any!(ref); |
628 | | |
629 | | deserialize_number!(deserialize_i8 => visit_i8); |
630 | | deserialize_number!(deserialize_i16 => visit_i16); |
631 | | deserialize_number!(deserialize_i32 => visit_i32); |
632 | | deserialize_number!(deserialize_i64 => visit_i64); |
633 | | deserialize_number!(deserialize_i128 => visit_i128); |
634 | | deserialize_number!(deserialize_u8 => visit_u8); |
635 | | deserialize_number!(deserialize_u16 => visit_u16); |
636 | | deserialize_number!(deserialize_u32 => visit_u32); |
637 | | deserialize_number!(deserialize_u64 => visit_u64); |
638 | | deserialize_number!(deserialize_u128 => visit_u128); |
639 | | deserialize_number!(deserialize_f32 => visit_f32); |
640 | | deserialize_number!(deserialize_f64 => visit_f64); |
641 | | |
642 | | forward_to_deserialize_any! { |
643 | | bool char str string bytes byte_buf option unit unit_struct |
644 | | newtype_struct seq tuple tuple_struct map struct enum identifier |
645 | | ignored_any |
646 | | } |
647 | | } |
648 | | |
649 | | #[cfg(feature = "arbitrary_precision")] |
650 | | pub(crate) struct NumberDeserializer { |
651 | | pub number: Option<String>, |
652 | | } |
653 | | |
654 | | #[cfg(feature = "arbitrary_precision")] |
655 | | impl<'de> MapAccess<'de> for NumberDeserializer { |
656 | | type Error = Error; |
657 | | |
658 | | fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>, Error> |
659 | | where |
660 | | K: de::DeserializeSeed<'de>, |
661 | | { |
662 | | if self.number.is_none() { |
663 | | return Ok(None); |
664 | | } |
665 | | seed.deserialize(NumberFieldDeserializer).map(Some) |
666 | | } |
667 | | |
668 | | fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value, Error> |
669 | | where |
670 | | V: de::DeserializeSeed<'de>, |
671 | | { |
672 | | seed.deserialize(self.number.take().unwrap().into_deserializer()) |
673 | | } |
674 | | } |
675 | | |
676 | | #[cfg(feature = "arbitrary_precision")] |
677 | | struct NumberFieldDeserializer; |
678 | | |
679 | | #[cfg(feature = "arbitrary_precision")] |
680 | | impl<'de> Deserializer<'de> for NumberFieldDeserializer { |
681 | | type Error = Error; |
682 | | |
683 | | fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error> |
684 | | where |
685 | | V: de::Visitor<'de>, |
686 | | { |
687 | | visitor.visit_borrowed_str(TOKEN) |
688 | | } |
689 | | |
690 | | forward_to_deserialize_any! { |
691 | | bool u8 u16 u32 u64 u128 i8 i16 i32 i64 i128 f32 f64 char str string seq |
692 | | bytes byte_buf map struct option unit newtype_struct ignored_any |
693 | | unit_struct tuple_struct tuple enum identifier |
694 | | } |
695 | | } |
696 | | |
697 | | impl From<ParserNumber> for Number { |
698 | 0 | fn from(value: ParserNumber) -> Self { |
699 | 0 | let n = match value { |
700 | 0 | ParserNumber::F64(f) => { |
701 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
702 | 0 | { |
703 | 0 | N::Float(f) |
704 | | } |
705 | | #[cfg(feature = "arbitrary_precision")] |
706 | | { |
707 | | ryu::Buffer::new().format_finite(f).to_owned() |
708 | | } |
709 | | } |
710 | 0 | ParserNumber::U64(u) => { |
711 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
712 | 0 | { |
713 | 0 | N::PosInt(u) |
714 | | } |
715 | | #[cfg(feature = "arbitrary_precision")] |
716 | | { |
717 | | itoa::Buffer::new().format(u).to_owned() |
718 | | } |
719 | | } |
720 | 0 | ParserNumber::I64(i) => { |
721 | 0 | #[cfg(not(feature = "arbitrary_precision"))] |
722 | 0 | { |
723 | 0 | N::NegInt(i) |
724 | | } |
725 | | #[cfg(feature = "arbitrary_precision")] |
726 | | { |
727 | | itoa::Buffer::new().format(i).to_owned() |
728 | | } |
729 | | } |
730 | | #[cfg(feature = "arbitrary_precision")] |
731 | | ParserNumber::String(s) => s, |
732 | | }; |
733 | 0 | Number { n } |
734 | 0 | } |
735 | | } |
736 | | |
737 | | macro_rules! impl_from_unsigned { |
738 | | ( |
739 | | $($ty:ty),* |
740 | | ) => { |
741 | | $( |
742 | | impl From<$ty> for Number { |
743 | 1.48M | fn from(u: $ty) -> Self { |
744 | 1.48M | let n = { |
745 | 1.48M | #[cfg(not(feature = "arbitrary_precision"))] |
746 | 1.48M | { N::PosInt(u as u64) } |
747 | 1.48M | #[cfg(feature = "arbitrary_precision")] |
748 | 1.48M | { |
749 | 1.48M | itoa::Buffer::new().format(u).to_owned() |
750 | 1.48M | } |
751 | 1.48M | }; |
752 | 1.48M | Number { n } |
753 | 1.48M | } Unexecuted instantiation: <serde_json::number::Number as core::convert::From<u8>>::from Unexecuted instantiation: <serde_json::number::Number as core::convert::From<u16>>::from Unexecuted instantiation: <serde_json::number::Number as core::convert::From<u32>>::from <serde_json::number::Number as core::convert::From<u64>>::from Line | Count | Source | 743 | 1.48M | fn from(u: $ty) -> Self { | 744 | 1.48M | let n = { | 745 | 1.48M | #[cfg(not(feature = "arbitrary_precision"))] | 746 | 1.48M | { N::PosInt(u as u64) } | 747 | 1.48M | #[cfg(feature = "arbitrary_precision")] | 748 | 1.48M | { | 749 | 1.48M | itoa::Buffer::new().format(u).to_owned() | 750 | 1.48M | } | 751 | 1.48M | }; | 752 | 1.48M | Number { n } | 753 | 1.48M | } |
Unexecuted instantiation: <serde_json::number::Number as core::convert::From<usize>>::from |
754 | | } |
755 | | )* |
756 | | }; |
757 | | } |
758 | | |
759 | | macro_rules! impl_from_signed { |
760 | | ( |
761 | | $($ty:ty),* |
762 | | ) => { |
763 | | $( |
764 | | impl From<$ty> for Number { |
765 | 57.3k | fn from(i: $ty) -> Self { |
766 | 57.3k | let n = { |
767 | | #[cfg(not(feature = "arbitrary_precision"))] |
768 | | { |
769 | 57.3k | if i < 0 { |
770 | 57.3k | N::NegInt(i as i64) |
771 | | } else { |
772 | 0 | N::PosInt(i as u64) |
773 | | } |
774 | | } |
775 | | #[cfg(feature = "arbitrary_precision")] |
776 | | { |
777 | | itoa::Buffer::new().format(i).to_owned() |
778 | | } |
779 | | }; |
780 | 57.3k | Number { n } |
781 | 57.3k | } Unexecuted instantiation: <serde_json::number::Number as core::convert::From<i8>>::from Unexecuted instantiation: <serde_json::number::Number as core::convert::From<i16>>::from Unexecuted instantiation: <serde_json::number::Number as core::convert::From<i32>>::from <serde_json::number::Number as core::convert::From<i64>>::from Line | Count | Source | 765 | 57.3k | fn from(i: $ty) -> Self { | 766 | 57.3k | let n = { | 767 | | #[cfg(not(feature = "arbitrary_precision"))] | 768 | | { | 769 | 57.3k | if i < 0 { | 770 | 57.3k | N::NegInt(i as i64) | 771 | | } else { | 772 | 0 | N::PosInt(i as u64) | 773 | | } | 774 | | } | 775 | | #[cfg(feature = "arbitrary_precision")] | 776 | | { | 777 | | itoa::Buffer::new().format(i).to_owned() | 778 | | } | 779 | | }; | 780 | 57.3k | Number { n } | 781 | 57.3k | } |
Unexecuted instantiation: <serde_json::number::Number as core::convert::From<isize>>::from |
782 | | } |
783 | | )* |
784 | | }; |
785 | | } |
786 | | |
787 | | impl_from_unsigned!(u8, u16, u32, u64, usize); |
788 | | impl_from_signed!(i8, i16, i32, i64, isize); |
789 | | |
790 | | #[cfg(feature = "arbitrary_precision")] |
791 | | impl_from_unsigned!(u128); |
792 | | #[cfg(feature = "arbitrary_precision")] |
793 | | impl_from_signed!(i128); |
794 | | |
795 | | impl Number { |
796 | | #[cfg(not(feature = "arbitrary_precision"))] |
797 | | #[cold] |
798 | 0 | pub(crate) fn unexpected(&self) -> Unexpected { |
799 | 0 | match self.n { |
800 | 0 | N::PosInt(u) => Unexpected::Unsigned(u), |
801 | 0 | N::NegInt(i) => Unexpected::Signed(i), |
802 | 0 | N::Float(f) => Unexpected::Float(f), |
803 | | } |
804 | 0 | } |
805 | | |
806 | | #[cfg(feature = "arbitrary_precision")] |
807 | | #[cold] |
808 | | pub(crate) fn unexpected(&self) -> Unexpected { |
809 | | Unexpected::Other("number") |
810 | | } |
811 | | } |