xsd-parser-rs

An xsd/wsdl => rust code generator written in rust. The main target is for generation of the ONVIF Specifications but should work for other SOAP/XSDL/WSDL needs.

Work in Progress

This is still a work in progress. So please feel free to open issues and submit PRs. Please be sure to read and follow our Code of Conduct.

XSD types mapping

A following mapping used to represent built-in XSD types as rust types:

XSD	rust
hexBinary	String
base64Binary	String
boolean	bool
integer	Integer (1)
nonNegativeInteger	NonNegativeInteger (1)
positiveInteger	PositiveInteger (1)
nonPositiveInteger	NonPositiveInteger (1)
negativeInteger	NegativeInteger (1)
long	i64
int	i32
short	i16
byte	i8
unsignedLong	u64
unsignedInt	u32
unsignedShort	u16
unsignedByte	u8
decimal	Decimal (2)
double	f64
float	f64
date	Date (3)
time	Time (3)
dateTime	DateTime (3)
dateTimeStamp	DateTimeStamp (3)
duration	Duration (4)
gDay	GDay (5)
gMonth	GMonth (5)
gMonthDay	GMonthDay (5)
gYear	GYear (5)
gYearMonth	GYearMonth (5)
string	String
normalizedString	String
token	String
language	String
Name	String
NCName	String
ENTITY	String
ID	String
IDREF	String
NMTOKEN	String
anyURI	String
QName	String
NOTATION	String
ENTITIES	Vec<String>
IDREFS	Vec<String>
NMTOKENS	Vec<String>

Notes:

(1) we are using our own big integer types, that wrap num_bigint::BigInt and num_bigint::BigUint and provide XML (de)serialization with yaserde. You can find Integer, NonNegativeInteger, PositiveInteger, NonPositiveInteger and NegativeInteger in the corresponding files within xsd-types/src/types/

(2) we are using our own type Decimal, which wraps bigdecimal::BigDecimal and provides XML (de)serialization with yaserde. You can find Decimal in xsd-types/src/types/decimal.rs

(3) we are using our own time types, that wrap types from chrono crate and provide XML (de)serialization with yaserde. You can find Date, Time, DateTime and DateTimeStamp in the corresponding files within xsd-types/src/types/. Since chrono has it flaws and does not follow ISO 8601 strictly, we use self-implemented parsing and might replace chrono in the future. Feel free to suggest an appropriate crate for time handling.

(4) we are using our own type Duration, since there is no known implementation in rust that supports proper month/years holding and literal representation. You can find Duration in xsd-types/src/types/duration.rs

(5) we are using our own gregorian calendar types, that provide XML (de)serialization with yaserde following ISO 8601 strictly. You can find gDay, gMonth, gMonthDay, gYear and gYearMonth in the corresponding files within xsd-types/src/types/.

`any` elements handling

There are cases when schema allows extensions for the certain type.

<xs:complexType name="MyType">
    <xs:sequence>
        <xs:element name="Parameters" type="xs:string" />
        <xs:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:anyAttribute namespace="##any" processContents="lax"/>
</xs:complexType>

In such cases we don't know in advance what fields must be present in Rust struct so we don't add them to output:

#[derive(Default, PartialEq, Debug, YaSerialize, YaDeserialize)]
#[yaserde(prefix = "tns", namespace = "tns: http://example.com")]
pub struct MyType {
    #[yaserde(prefix = "tns", rename = "Parameters")]
    pub parameters: String,
}

In this unlucky situation to support extensions user can either:

modify the generated code and add extension fields manually
modify source XSD and add extension elements there

License

^{Licensed under either of Apache License, Version
2.0 or MIT license at your option.}
_{Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
be dual licensed as above, without any additional terms or conditions.}

License

jespersm/xsd-parser-rs

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