标准编号：ISO/IEC 8825-5:2015
中文名称：信息技术 ASN.1编码规则 第5部分：映射W3C XML模式定义进入ASN.1
英文名称：Information technology — ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 — Part 5:
发布日期：2015-11
标准范围
This Recommendation | International Standard specifies two Versions of a mapping from any XSD Schema into an ASN.1schema. The ASN.1 schema for both Versions support the same semantics and validate the same set of XML documents.This Recommendation | International Standard specifies the final XER encoding instructions that are to be applied as partof the defined mapping to ASN.1 types, but does not specify which syntactic form is to be used for the specification ofthose final XER encoding instructions, or the order or manner of their assignment.NOTE – Implementers of tools generating these mappings may choose any syntactic form or order of assignment that results in thespecified final XER encoding instructions being applied. Examples in this Recommendation | International Standard generally usethe type prefix form, but use of an XER Encoding Control Section may be preferred for the mapping of a complete XSD Schema,as a matter of style.There are different ways (syntactically) of assigning XER encoding instructions for use in EXTENDED-XER encodings(for example, use of ASN.1 type prefix encoding instructions or use of an XER encoding control section). The choice ofthese syntactic forms is a matter of style and is outside the scope of this Recommendation | International Standard.
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