mapcomplete/Customizations/JSON/FromJSON.ts
2021-01-09 02:11:43 +01:00

90 lines
No EOL
3.3 KiB
TypeScript

import {AndOrTagConfigJson} from "./TagConfigJson";
import {And, Or, RegexTag, Tag, TagsFilter} from "../../Logic/Tags";
import {Utils} from "../../Utils";
export class FromJSON {
public static SimpleTag(json: string): Tag {
const tag = Utils.SplitFirst(json, "=");
return new Tag(tag[0], tag[1]);
}
public static Tag(json: AndOrTagConfigJson | string, context: string = ""): TagsFilter {
try{
return this.TagUnsafe(json, context);
}catch(e){
console.error("Could not parse tag", json,"in context",context,"due to ", e)
throw e;
}
}
private static TagUnsafe(json: AndOrTagConfigJson | string, context: string = ""): TagsFilter {
if (json === undefined) {
throw `Error while parsing a tag: 'json' is undefined in ${context}. Make sure all the tags are defined and at least one tag is present in a complex expression`
}
if (typeof (json) == "string") {
const tag = json as string;
if (tag.indexOf("!~") >= 0) {
const split = Utils.SplitFirst(tag, "!~");
if (split[1] === "*") {
throw `Don't use 'key!~*' - use 'key=' instead (empty string as value (in the tag ${tag} while parsing ${context})`
}
return new RegexTag(
split[0],
new RegExp("^" + split[1] + "$"),
true
);
}
if (tag.indexOf("~~") >= 0) {
const split = Utils.SplitFirst(tag, "~~");
if (split[1] === "*") {
split[1] = "..*"
}
return new RegexTag(
new RegExp("^" + split[0] + "$"),
new RegExp("^" + split[1] + "$")
);
}
if (tag.indexOf("!=") >= 0) {
const split = Utils.SplitFirst(tag, "!=");
if (split[1] === "*") {
split[1] = "..*"
}
return new RegexTag(
split[0],
new RegExp("^" + split[1] + "$"),
true
);
}
if (tag.indexOf("~") >= 0) {
const split = Utils.SplitFirst(tag, "~");
if (split[1] === "*") {
split[1] = "..*"
}
return new RegexTag(
split[0],
new RegExp("^" + split[1] + "$")
);
}
if (tag.indexOf("=") >= 0) {
const split = Utils.SplitFirst(tag, "=");
if (split[1] == "*") {
throw `Error while parsing tag '${tag}' in ${context}: detected a wildcard on a normal value. Use a regex pattern instead`
}
return new Tag(split[0], split[1])
}
throw `Error while parsing tag '${tag}' in ${context}: no key part and value part were found`
}
if (json.and !== undefined) {
return new And(json.and.map(t => FromJSON.Tag(t, context)));
}
if (json.or !== undefined) {
return new Or(json.or.map(t => FromJSON.Tag(t, context)));
}
}
}