Bastian-Greshake-Tzovaras/MapComplete
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Add comparison tagsfilter with <=, >=, < and >

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This commit is contained in:
Pieter Vander Vennet 2021-07-27 13:44:05 +02:00
parent 7c03a185ac
commit d9cc99c447
5 changed files with 137 additions and 37 deletions
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37
Customizations/JSON/FromJSON.ts
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@ -6,12 +6,13 @@ import {And} from "../../Logic/Tags/And";
import {Tag} from "../../Logic/Tags/Tag";
import {TagsFilter} from "../../Logic/Tags/TagsFilter";
import SubstitutingTag from "../../Logic/Tags/SubstitutingTag";
import ComparingTag from "../../Logic/Tags/ComparingTag";
export class FromJSON {
public static SimpleTag(json: string, context?: string): Tag {
const tag = Utils.SplitFirst(json, "=");
if(tag.length !== 2){
if (tag.length !== 2) {
throw `Invalid tag: no (or too much) '=' found (in ${context ?? "unkown context"})`
}
return new Tag(tag[0], tag[1]);
@ -26,6 +27,15 @@ export class FromJSON {
}
}
private static comparators
: [string, (a: number, b: number) => boolean][]
= [
["<=", (a, b) => a <= b],
[">=", (a, b) => a >= b],
["<", (a, b) => a < b],
[">", (a, b) => a > b],
]
private static TagUnsafe(json: AndOrTagConfigJson | string, context: string = ""): TagsFilter {
if (json === undefined) {
@ -33,6 +43,27 @@ export class FromJSON {
}
if (typeof (json) == "string") {
const tag = json as string;
for (const [operator, comparator] of FromJSON.comparators) {
if (tag.indexOf(operator) >= 0) {
const split = Utils.SplitFirst(tag, operator);
const val = Number(split[1].trim())
if (isNaN(val)) {
throw `Error: not a valid value for a comparison: ${split[1]}, make sure it is a number and nothing more (at ${context})`
}
const f = (value: string | undefined) => {
const b = Number(value?.replace(/[^\d.]/g,''))
if (isNaN(b)) {
return false;
}
return comparator(b, val)
}
return new ComparingTag(split[0], f, operator + val)
}
}
if (tag.indexOf("!~") >= 0) {
const split = Utils.SplitFirst(tag, "!~");
if (split[1] === "*") {
@ -54,11 +85,11 @@ export class FromJSON {
new RegExp("^" + split[1] + "$")
);
}
if(tag.indexOf(":=") >= 0){
if (tag.indexOf(":=") >= 0) {
const split = Utils.SplitFirst(tag, ":=");
return new SubstitutingTag(split[0], split[1]);
}
if (tag.indexOf("!=") >= 0) {
const split = Utils.SplitFirst(tag, "!=");
if (split[1] === "*") {