well-known-parser/dist/well-known-parser15.js

A WKT/WKB/EWKT/EWKB/TWKB/GeoJSON parser and serializer

import { GEOMETRY_TYPES as s } from "./well-known-parser2.js";
import { Point as r } from "./well-known-parser4.js";
class n {
  constructor(e) {
    this.value = e, this.position = 0;
  }
  match(e) {
    this.skipWhitespaces();
    for (let t = 0; t < e.length; t++)
      if (this.value.substring(this.position).indexOf(e[t]) === 0)
        return this.position += e[t].length, e[t];
    return null;
  }
  matchRegex(e) {
    this.skipWhitespaces();
    for (let t = 0; t < e.length; t++) {
      const i = this.value.substring(this.position).match(e[t]);
      if (i)
        return this.position += i[0].length, i;
    }
    return null;
  }
  isMatch(e) {
    this.skipWhitespaces();
    for (let t = 0; t < e.length; t++)
      if (this.value.substring(this.position).indexOf(e[t]) === 0)
        return this.position += e[t].length, !0;
    return !1;
  }
  matchType() {
    const e = this.match([
      s.Point.wkt,
      s.LineString.wkt,
      s.Polygon.wkt,
      s.MultiPoint.wkt,
      s.MultiLineString.wkt,
      s.MultiPolygon.wkt,
      s.GeometryCollection.wkt
    ]);
    if (!e)
      throw new Error("Expected geometry type");
    return e;
  }
  matchDimension() {
    switch (this.match(["ZM", "Z", "M"])) {
      case "ZM":
        return { hasZ: !0, hasM: !0 };
      case "Z":
        return { hasZ: !0, hasM: !1 };
      case "M":
        return { hasZ: !1, hasM: !0 };
      default:
        return { hasZ: !1, hasM: !1 };
    }
  }
  expectGroupStart() {
    if (!this.isMatch(["("]))
      throw new Error("Expected group start");
  }
  expectGroupEnd() {
    if (!this.isMatch([")"]))
      throw new Error("Expected group end");
  }
  matchCoordinate(e) {
    let t;
    if (e.hasZ && e.hasM ? t = this.matchRegex([/^(\S*)\s+(\S*)\s+(\S*)\s+([^\s,)]*)/]) : e.hasZ || e.hasM ? t = this.matchRegex([/^(\S*)\s+(\S*)\s+([^\s,)]*)/]) : t = this.matchRegex([/^(\S*)\s+([^\s,)]*)/]), !t)
      throw new Error("Expected coordinates");
    return e.hasZ && e.hasM ? new r(parseFloat(t[1]), parseFloat(t[2]), parseFloat(t[3]), parseFloat(t[4])) : e.hasZ ? new r(parseFloat(t[1]), parseFloat(t[2]), parseFloat(t[3]), void 0) : e.hasM ? new r(parseFloat(t[1]), parseFloat(t[2]), void 0, parseFloat(t[3])) : new r(parseFloat(t[1]), parseFloat(t[2]), void 0, void 0);
  }
  matchCoordinates(e) {
    const t = [];
    do {
      const i = this.isMatch(["("]);
      t.push(this.matchCoordinate(e)), i && this.expectGroupEnd();
    } while (this.isMatch([","]));
    return t;
  }
  skipWhitespaces() {
    for (; this.position < this.value.length && this.value[this.position] === " "; )
      this.position++;
  }
}
export {
  n as WktParser
};
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