@wikipathways/cxml
Version:
Advanced schema-aware streaming XML parser
235 lines • 31.2 kB
JavaScript
"use strict";
// This file is part of cxml, copyright (c) 2016 BusFaster Ltd.
// Released under the MIT license, see LICENSE.
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var MemberRef_1 = require("./MemberRef");
var Rule_1 = require("../parser/Rule");
var Item_1 = require("./Item");
/** Parse name from schema in serialized JSON format.
* If name used in XML is not a valid JavaScript identifier, the schema
* definition will be in format <cleaned up name for JavaScript>:<XML name>. */
function parseName(name) {
var splitPos = name.indexOf(':');
var safeName;
if (splitPos >= 0) {
safeName = name.substr(0, splitPos);
name = name.substr(splitPos + 1);
}
else
safeName = name;
return ({
name: name,
safeName: safeName
});
}
exports.parseName = parseName;
/** Create a new data object inheriting default values from another. */
function inherit(parentObject) {
function Proxy() { }
Proxy.prototype = parentObject;
return (new Proxy());
}
function defineSubstitute(substitute, proxy) {
var ref = MemberRef_1.MemberRef.parseSpec([substitute, 0, substitute.safeName], substitute.namespace, proxy);
return (ref);
}
/** Type specification defining attributes and children. */
var TypeSpec = /** @class */ (function (_super) {
__extends(TypeSpec, _super);
function TypeSpec(name, namespace, spec) {
var _this = _super.call(this, TypeSpec, spec[1]) || this;
_this.optionalList = [];
_this.requiredList = [];
if (name) {
var parts = parseName(name);
_this.name = parts.name;
_this.safeName = parts.safeName;
}
_this.namespace = namespace;
if (spec) {
_this.flags = spec[0];
_this.childSpecList = spec[2];
_this.attributeSpecList = spec[3];
}
return _this;
}
TypeSpec.prototype.getProto = function () { return (this.proto); };
TypeSpec.prototype.getType = function () { return (this.rule); };
TypeSpec.prototype.init = function () {
// This function hasn't been called for this type yet by setParent,
// but something must by now have called it for the parent type.
var dependency = this.dependency;
var parent = Rule_1.Member;
if (dependency && dependency != this)
parent = dependency.proto;
this.proto = /** @class */ (function (_super) {
__extends(XmlType, _super);
function XmlType() {
return _super !== null && _super.apply(this, arguments) || this;
}
return XmlType;
}(parent));
var instanceProto = this.proto.prototype;
instanceProto._exists = true;
instanceProto._namespace = this.namespace.name;
this.placeHolder = new this.proto();
this.placeHolder._exists = false;
this.rule = new Rule_1.Rule(this.proto);
this.proto.rule = this.rule;
this.rule.namespace = this.namespace;
if (dependency) {
this.rule.childTbl = inherit(dependency.rule.childTbl);
this.rule.attributeTbl = inherit(dependency.rule.attributeTbl);
}
else {
this.rule.attributeTbl = {};
this.rule.childTbl = {};
}
this.rule.isPrimitive = !!(this.flags & 1 /* primitive */);
this.rule.isPlainPrimitive = !!(this.flags & 2 /* plainPrimitive */);
this.rule.isList = !!(this.flags & 4 /* list */);
if (this.rule.isPrimitive) {
var primitiveType = this;
var next;
while ((next = primitiveType.dependency) && next != primitiveType)
primitiveType = next;
this.rule.primitiveType = primitiveType.safeName;
}
return (this.rule);
};
TypeSpec.prototype.defineMember = function (ref) {
var typeSpec = ref.member.typeSpecList && ref.member.typeSpecList[0];
var proxySpec = ref.member.proxySpec;
if (proxySpec) {
if (ref.max > 1) {
typeSpec = proxySpec;
}
else {
proxySpec = this;
typeSpec = null;
}
TypeSpec.addSubstitutesToProxy(ref.member, proxySpec.proto.prototype);
}
if (typeSpec) {
var memberType = typeSpec.placeHolder;
var type = (this.proto.prototype);
type[ref.safeName] = (ref.max > 1) ? [memberType] : memberType;
if (ref.min < 1)
this.optionalList.push(ref.safeName);
else
this.requiredList.push(ref.safeName);
}
return (ref);
};
TypeSpec.prototype.getSubstitutes = function () {
return (this.substituteList);
};
TypeSpec.prototype.defineMembers = function () {
var spec;
for (var _i = 0, _a = this.childSpecList; _i < _a.length; _i++) {
spec = _a[_i];
var memberRef = MemberRef_1.MemberRef.parseSpec(spec, this.namespace);
this.addChild(memberRef);
this.defineMember(memberRef);
}
for (var _b = 0, _c = this.attributeSpecList; _b < _c.length; _b++) {
spec = _c[_b];
var attributeRef = MemberRef_1.MemberRef.parseSpec(spec, this.namespace);
if (attributeRef.member.typeSpecList)
this.rule.addAttribute(attributeRef);
this.defineMember(attributeRef);
}
};
TypeSpec.prototype.addSubstitutes = function (headRef, proxy) {
headRef.member.containingTypeList.push({
type: this,
head: headRef,
proxy: proxy
});
headRef.member.proxySpec.tryInit();
for (var _i = 0, _a = headRef.member.proxySpec.getSubstitutes(); _i < _a.length; _i++) {
var substitute = _a[_i];
if (substitute == headRef.member) {
this.rule.addChild(headRef);
}
else {
var substituteRef = defineSubstitute(substitute, proxy);
this.addChild(substituteRef, proxy);
}
}
};
TypeSpec.prototype.addChild = function (memberRef, proxy) {
if (memberRef.member.proxySpec)
this.addSubstitutes(memberRef, proxy || memberRef);
else if (!memberRef.member.isAbstract)
this.rule.addChild(memberRef);
};
TypeSpec.prototype.addSubstitute = function (head, substitute) {
if (this.ready && head.containingTypeList.length) {
// The element's proxy type has already been defined
// so we need to patch other types containing the element.
for (var _i = 0, _a = head.containingTypeList; _i < _a.length; _i++) {
var spec = _a[_i];
var ref = defineSubstitute(substitute, spec.proxy);
spec.type.addChild(ref, spec.proxy);
if (spec.head.max <= 1) {
TypeSpec.addSubstituteToProxy(substitute, spec.type.proto.prototype);
}
}
// Add the substitution to proxy type of the group head,
// and loop if the head further substitutes something else.
while (head) {
TypeSpec.addSubstituteToProxy(substitute, head.proxySpec.proto.prototype);
head = head.dependency;
}
}
this.substituteList.push(substitute);
};
TypeSpec.prototype.addMixin = function (spec) {
this.mixinList.push(spec);
};
/** Remove placeholders from instance prototype. They allow dereferencing
* contents of missing optional child elements without throwing errors.
* @param strict Also remove placeholders for mandatory child elements. */
TypeSpec.prototype.cleanPlaceholders = function (strict) {
var type = (this.proto.prototype);
var nameList = this.optionalList;
if (strict)
nameList = nameList.concat(this.requiredList);
for (var _i = 0, nameList_1 = nameList; _i < nameList_1.length; _i++) {
var name = nameList_1[_i];
delete (type[name]);
}
};
TypeSpec.addSubstituteToProxy = function (substitute, type, head) {
if (substitute == head || !substitute.proxySpec) {
if (!substitute.isAbstract)
type[substitute.safeName] = substitute.typeSpecList[0].placeHolder;
}
else {
TypeSpec.addSubstitutesToProxy(substitute, type);
}
};
TypeSpec.addSubstitutesToProxy = function (member, type) {
for (var _i = 0, _a = member.proxySpec.getSubstitutes(); _i < _a.length; _i++) {
var substitute = _a[_i];
TypeSpec.addSubstituteToProxy(substitute, type, member);
}
};
return TypeSpec;
}(Item_1.Item));
exports.TypeSpec = TypeSpec;
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Member;\n\t\tinstanceProto._exists = true;\n\t\tinstanceProto._namespace = this.namespace.name;\n\n\t\tthis.placeHolder = new this.proto();\n\t\tthis.placeHolder._exists = false;\n\t\tthis.rule = new Rule(this.proto);\n\t\tthis.proto.rule = this.rule;\n\t\tthis.rule.namespace = this.namespace;\n\n\t\tif(dependency) {\n\t\t\tthis.rule.childTbl = inherit(dependency.rule.childTbl);\n\t\t\tthis.rule.attributeTbl = inherit(dependency.rule.attributeTbl);\n\t\t} else {\n\t\t\tthis.rule.attributeTbl = {};\n\t\t\tthis.rule.childTbl = {};\n\t\t}\n\n\t\tthis.rule.isPrimitive = !!(this.flags & TypeFlag.primitive);\n\t\tthis.rule.isPlainPrimitive = !!(this.flags & TypeFlag.plainPrimitive);\n\t\tthis.rule.isList = !!(this.flags & TypeFlag.list);\n\n\t\tif(this.rule.isPrimitive) {\n\t\t\tvar primitiveType: Item = this;\n\t\t\tvar next: Item;\n\n\t\t\twhile((next = primitiveType.dependency) && next != primitiveType) primitiveType = next;\n\n\t\t\tthis.rule.primitiveType = (primitiveType as TypeSpec).safeName;\n\t\t}\n\n\t\treturn(this.rule);\n\t}\n\n\tprivate defineMember(ref: MemberRef) {\n\t\tvar typeSpec = ref.member.typeSpecList && ref.member.typeSpecList[0];\n\t\tvar proxySpec = ref.member.proxySpec;\n\n\t\tif(proxySpec) {\n\t\t\tif(ref.max > 1) {\n\t\t\t\ttypeSpec = proxySpec;\n\t\t\t} else {\n\t\t\t\tproxySpec = this;\n\t\t\t\ttypeSpec = null;\n\t\t\t}\n\n\t\t\tTypeSpec.addSubstitutesToProxy(ref.member, proxySpec.proto.prototype);\n\t\t}\n\n\t\tif(typeSpec) {\n\t\t\tvar memberType = typeSpec.placeHolder;\n\t\t\tvar type = (this.proto.prototype) as RuleMembers;\n\n\t\t\ttype[ref.safeName] = (ref.max > 1) ? [memberType] : memberType;\n\n\t\t\tif(ref.min < 1) this.optionalList.push(ref.safeName);\n\t\t\telse this.requiredList.push(ref.safeName);\n\t\t}\n\n\t\treturn(ref);\n\t}\n\n\tgetSubstitutes() {\n\t\treturn(this.substituteList);\n\t}\n\n\tdefineMembers() {\n\t\tvar spec: RawRefSpec;\n\n\t\tfor(spec of this.childSpecList) {\n\t\t\tvar memberRef = MemberRef.parseSpec(spec, this.namespace);\n\t\t\tthis.addChild(memberRef);\n\t\t\tthis.defineMember(memberRef);\n\t\t}\n\n\t\tfor(spec of this.attributeSpecList) {\n\t\t\tvar attributeRef = MemberRef.parseSpec(spec, this.namespace);\n\t\t\tif(attributeRef.member.typeSpecList) this.rule.addAttribute(attributeRef);\n\t\t\tthis.defineMember(attributeRef);\n\t\t}\n\t}\n\n\taddSubstitutes(headRef: MemberRef, proxy: MemberRef) {\n\t\theadRef.member.containingTypeList.push({\n\t\t\ttype: this,\n\t\t\thead: headRef,\n\t\t\tproxy: proxy\n\t\t});\n\t\theadRef.member.proxySpec.tryInit();\n\n\t\tfor(var substitute of headRef.member.proxySpec.getSubstitutes()) {\n\t\t\tif(substitute == headRef.member) {\n\t\t\t\tthis.rule.addChild(headRef);\n\t\t\t} else {\n\t\t\t\tvar substituteRef = defineSubstitute(substitute, proxy);\n\t\t\t\tthis.addChild(substituteRef, proxy);\n\t\t\t}\n\t\t}\n\t}\n\n\taddChild(memberRef: MemberRef, proxy?: MemberRef) {\n\t\tif(memberRef.member.proxySpec) this.addSubstitutes(memberRef, proxy || memberRef);\n\t\telse if(!memberRef.member.isAbstract) this.rule.addChild(memberRef);\n\t}\n\n\taddSubstitute(head: MemberSpec, substitute: MemberSpec) {\n\t\tif(this.ready && head.containingTypeList.length) {\n\t\t\t// The element's proxy type has already been defined\n\t\t\t// so we need to patch other types containing the element.\n\n\t\t\tfor(var spec of head.containingTypeList) {\n\t\t\t\tvar ref = defineSubstitute(substitute, spec.proxy);\n\t\t\t\tspec.type.addChild(ref, spec.proxy);\n\n\t\t\t\tif(spec.head.max <= 1) {\n\t\t\t\t\tTypeSpec.addSubstituteToProxy(substitute, spec.type.proto.prototype);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Add the substitution to proxy type of the group head,\n\t\t\t// and loop if the head further substitutes something else.\n\n\t\t\twhile(head) {\n\t\t\t\tTypeSpec.addSubstituteToProxy(substitute, head.proxySpec.proto.prototype);\n\t\t\t\thead = head.dependency as MemberSpec;\n\t\t\t}\n\t\t}\n\n\t\tthis.substituteList.push(substitute);\n\t}\n\n\taddMixin(spec: TypeSpec) {\n\t\tthis.mixinList.push(spec);\n\t}\n\n\t/** Remove placeholders from instance prototype. They allow dereferencing\n\t  * contents of missing optional child elements without throwing errors.\n\t  * @param strict Also remove placeholders for mandatory child elements. */\n\n\tcleanPlaceholders(strict?: boolean) {\n\t\tvar type = (this.proto.prototype) as RuleMembers;\n\t\tvar nameList = this.optionalList;\n\n\t\tif(strict) nameList = nameList.concat(this.requiredList);\n\n\t\tfor(var name of nameList) {\n\t\t\tdelete(type[name]);\n\t\t}\n\t}\n\n\tprivate static addSubstituteToProxy(substitute: MemberSpec, type: RuleMembers, head?: MemberSpec) {\n\t\tif(substitute == head || !substitute.proxySpec) {\n\t\t\tif(!substitute.isAbstract) type[substitute.safeName] = substitute.typeSpecList[0].placeHolder;\n\t\t} else {\n\t\t\tTypeSpec.addSubstitutesToProxy(substitute, type);\n\t\t}\n\t}\n\n\tprivate static addSubstitutesToProxy(member: MemberSpec, type: RuleMembers) {\n\t\tfor(var substitute of member.proxySpec.getSubstitutes()) {\n\t\t\tTypeSpec.addSubstituteToProxy(substitute, type, member);\n\t\t}\n\t}\n\n\tnamespace: Namespace;\n\t// TODO: Is a separate name and safeName needed for anything here?\n\t// Maybe for future use when cxsd can import parsed namespaces?\n\tname: string;\n\tsafeName: string;\n\tflags: number;\n\n\tchildSpecList: RawRefSpec[];\n\tattributeSpecList: RawRefSpec[];\n\tsubstituteList: MemberSpec[];\n\n\t/** Other types added as mixins. */\n\tmixinList: TypeSpec[];\n\n\toptionalList: string[] = [];\n\trequiredList: string[] = [];\n\n\tisProxy: boolean;\n\n\t/** For an anonymous type, the member (of another type) that it defines.\n\t  * Used for giving the type a descriptive name. */\n\tcontainingType: TypeSpec;\n\tcontainingRef: MemberRef;\n\n\tcomment: string;\n\n\tprivate rule: Rule;\n\tprivate proto: RuleClass;\n\tprivate placeHolder: Member;\n}\n"]}