I am trying to use xml-tools to implement a language on top of xml (it's some kind of crossover of xsd and xslt, but this does not really matter for the purpose of these suggestions).
I believe I can work around these by implementing custom validators, but it would be nice if simple-schema supported
Recursive type definitions
I am using an xml file to describe the structure of an xml file, therefore I need recursive elements, e.g.
<element name="foo">
<element name="bar">
<attribute name="attr"><attribute>
</element>
</element>is used to represent
<foo>
<bar attr=""/>
</foo>
const commonNodeProperties: Record<string, XSSAttribute> = {
name: {
key: "name",
required: true
},
description: {
key: "description",
required: false
},
restriction: {
key: "restriction",
required: false,
},
mappingTarget: {
key: "mappingTarget",
required: false,
},
mapping: {
key: "mapping",
required: false,
}
};
export const rootElementSchema: XSSElement = {
name: "element",
cardinality: "single",
required: true,
attributesType: "closed",
attributes: {
...commonNodeProperties
},
elements: {
element: {
name: "element",
cardinality: "many",
required: true,
attributesType: "closed",
attributes: {
...commonNodeProperties
},
elements: {
// element can contain element, attribute with cardinality many
},
elementsType: "open"
},
attribute: {
name: "attribute",
cardinality: "many",
required: true,
attributesType: "closed",
attributes: {
...commonNodeProperties
},
elements: {},
elementsType: "open"
}
},
elementsType: "open"
};
export const schema: SimpleSchema = {
name: "ifme",
required: true,
require: true,
cardinality: "single",
attributes: {},
attributesType: "closed",
elements: {
environment: environmentSchema,
constants: constantsSchema,
enumerations: enumerationsSchema,
restrictions: restrictionsSchema,
tree: {
name: "tree",
required: true,
cardinality: "single",
attributes: {},
elements: {
element: rootElementSchema
},
attributesType: "closed",
elementsType: "closed"
},
},
};but I don't think I will be able to accomplish this with simple-schema currently.
Empty attribute value validation
I can specify that an attribute is required, but it is also likely that a required attribute should have a non-empty value.
[minor] XSSElement type definitions
I wish elements and attributes were optional properties, in many cases you don't need them and you have to explicitly use empty objects.
const thatWillBeAllThanks: any = {
attributes: {},
elements: {}
};
const environmentSchema: XSSElement = {
name: "environment",
required: true,
cardinality: "single",
attributes: {
},
elements: {
type: {
name: "type",
cardinality: "single",
required: true,
...thatWillBeAllThanks
},
id: {
name: "id",
cardinality: "single",
required: true,
...thatWillBeAllThanks
},
description: {
name: "description",
cardinality: "single",
required: false,
...thatWillBeAllThanks
},
},
};
@xml-tools/parser A Fault Tolerant XML Parser which outputs a Concrete Syntax Tree.
@xml-tools/ast XML Abstract Syntax Tree.
@xml-tools/ast-position XML Abstract Syntax Tree position utilities.
@xml-tools/content-assist Extensible Content Assist APIs for XML.
@xml-tools/validation Extensible Validation APIs for XML.
@xml-tools/constraints Validations for XML constraints.
@xml-tools/simple-schema Simple XML Schema represented as a JavaScript object literal.
@xml-tools/language-server XML Language Server.
@xml-tools/common Shared Utilities for xml-tools packages.
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