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