1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830
/**
* Provides utitly methods for data sets
*
* @module josm/ds
*/
/* global Java */
import * as util from 'josm/util'
import { NodeBuilder, WayBuilder, RelationBuilder } from 'josm/builder'
export const DataSet = Java.type('org.openstreetmap.josm.data.osm.DataSet')
const SimplePrimitiveId = Java.type('org.openstreetmap.josm.data.osm.SimplePrimitiveId')
const PrimitiveId = Java.type('org.openstreetmap.josm.data.osm.PrimitiveId')
export const OsmPrimitiveType = Java.type('org.openstreetmap.josm.data.osm.OsmPrimitiveType')
const Collection = Java.type('java.util.Collection')
const HashSet = Java.type('java.util.HashSet')
const File = Java.type('java.io.File')
const FileWriter = Java.type('java.io.FileWriter')
const PrintWriter = Java.type('java.io.PrintWriter')
const FileInputStream = Java.type('java.io.FileInputStream')
const OsmImporter = Java.type('org.openstreetmap.josm.gui.io.importexport.OsmImporter')
const OsmChangeImporter = Java.type('org.openstreetmap.josm.gui.io.importexport.OsmChangeImporter')
const OsmReader = Java.type('org.openstreetmap.josm.io.OsmReader')
const OsmChangeReader = Java.type('org.openstreetmap.josm.io.OsmChangeReader')
const Utils = Java.type('org.openstreetmap.josm.tools.Utils')
const GZIPInputStream = Java.type('java.util.zip.GZIPInputStream')
const OsmWriterFactory = Java.type('org.openstreetmap.josm.io.OsmWriterFactory')
const Changeset = Java.type('org.openstreetmap.josm.data.osm.Changeset')
const System = Java.type('java.lang.System')
function log (msg) {
System.out.println(msg)
}
function normalizeType (type) {
if (util.isString(type)) {
type = type.trim().toLowerCase()
if ('node'.startsWith(type)) {
return OsmPrimitiveType.NODE
} else if ('way'.startsWith(type)) {
return OsmPrimitiveType.WAY
} else if ('relation'.startsWith(type)) {
return OsmPrimitiveType.RELATION
} else {
util.assert(false,
'expected type as string, i.e. "node", "way", or "relation", got "{0}"',
type)
}
} else if (type instanceof OsmPrimitiveType) {
return type
} else {
util.assert(false, 'expected String or OsmPrimitiveType, got "{0}", type')
}
}
function normalizeId (id) {
if (util.isNumber(id)) {
if (Number.isInteger(id)) {
return id
} else {
util.assert(false, 'expected integer , got "{0}"', id)
}
} else if (util.isString(id)) {
const idSaved = id
id = parseInt(id.trim())
if (isNaN(id)) {
util.assert(false, 'expected integer as string, got "{0}"', idSaved)
}
} else {
util.assert(false, 'expected an integer or a string, got "{0}"', id)
}
}
/**
* Creates an ID for an OSM primitive.
*
* <strong>Signatures</strong>
* <dl>
* <dt><code class="signature">buildId(id, type)</code></dt>
* <dd class="param-desc">Replies an object given by its unique numeric id and a type.
* The type is either a string <code>node</code>, <code>way</code>, or
* <code>relation</code>, or one of the symbols
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.NODE,
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.WAY, or
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.RELATION.</dd>
*
* <dt><code class="signature">buildId(id)</code></dt>
* <dd class="param-desc">Replies an object given an ID. <code>id</code> is either an instance
* of
* {@class org.openstreetmap.josm.data.osm.PrimitiveId} or an object with
* the properties <code>id</code> and <code>type</code>, i.e.
* <code>{id: 1234, type: 'node'}</code>.</dd>
* </dl>
*
* @example
* import { buildId, OsmPrimitiveType} from 'josm/ds'
*
* // build a node id
* const id1 = buildId(1234, 'node')
*
* // build a way id
* const id2 = buildId(3333, OsmPrimitiveType.WAY)
*
* // build a relation id
* const id3 = buildId({id: 5423, type: 'relation'})
*
*
* @param args see description
*/
export function buildId (id, type) {
function buildId2 (id, type) {
id = normalizeId(id)
type = normalizeType(type)
if (id === 0) {
util.assert(false, 'expected id != 0, got 0')
}
return new SimplePrimitiveId(id, type)
}
function buildId1 (id) {
if (id instanceof PrimitiveId) {
return id
}
if (util.hasProp(id, 'id') && util.hasProp(id, 'type')) {
return buildId2(id.id, id.type)
}
util.assert(false, 'expected PrimitiveId or {id: ..., type: ...}, got "{0}"', id)
}
util.assert(arguments.length > 0, 'expected at least 1 argument, got 0')
switch (arguments.length) {
case 1:
return buildId1(...arguments)
case 2:
return buildId2(...arguments)
default:
util.assert(false, 'expected 1 or 2 arguments, got {0}', arguments.length)
}
}
function each (collection, delegate) {
if (util.isArray(collection) || util.isArguments(collection)) {
for (let i = 0; i < collection.length; i++) {
delegate(collection[i])
}
} else if (collection instanceof Collection) {
for (let it = collection.iterator(); it.hasNext();) {
delegate(it.next())
}
} else {
util.assert(false, 'Expected list or collection, got {0}', collection)
}
}
function collect (collection, predicate) {
const ret = []
each(collection, (obj) => {
if (predicate(obj)) ret.push(obj)
})
return ret
}
function isCollection (collection) {
return util.isArray(collection) ||
util.isArguments(collection) ||
collection instanceof Collection
}
function normalizeIds () {
function walk (set, ids) {
if (util.isNothing(ids)) return
if (ids instanceof PrimitiveId) {
set.add(ids)
} else if (isCollection(ids)) {
each(ids, (that) => walk(set, that))
} else {
util.assert(false,
'PrimitiveId or collection required, got {0}', ids)
}
}
const set = new HashSet()
for (let i = 0; i < arguments.length; i++) {
walk(set, arguments[i])
}
return set
}
/**
* <code>DataSetUtil</code> provides methods to build OSM primitive IDs and to
* manipulate data in a {@class org.openstreetmap.josm.data.osm.DataSet}.
*
*/
export class DataSetUtil {
/**
* Creates an instance of <code>DataSetUtil</code> for a given {@class org.openstreetmap.josm.data.osm.DataSet}
*
* @example
* import { DataSetUtil, DataSet } from 'josm/ds'
* const dsutil = new DataSetUtil(new DataSet())
*
* @summary Build an utility object wrapping the dataset <code>ds</code>
* @param {org.openstreetmap.josm.data.osm.DataSet} [ds] the dataset. Creates a new dataset if missing
*/
constructor (ds) {
ds = ds || new DataSet()
this.ds = ds
}
/**
* Replies an OSM object from the dataset, or undefined, if no such object
* exists.
*
* <strong>Signatures</strong>
* <dl>
* <dt><code class="signature">get(id, type)</code></dt>
* <dd class="param-desc">Replies an object given by its unique numeric id and a type.
* The type is either a string "node", "way", or "relation", or one of
* the symbols
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.NODE,
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.WAY, or
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.RELATION.</dd>
*
* <dt><code class="signature">get(id)</code></dt>
* <dd class="param-desc">Replies an object given an ID. <code>id</code> is either an instance
* of
* {@class org.openstreetmap.josm.data.osm.PrimitiveId} or an object with
* the properties <code>id</code> and <code>type</code>, i.e.
* <code>{id: 1234, type: "node"}</code>.</dd>
* </dl>
*
* @example
* import { buildId , DataSetUtil, DataSet, OsmPrimitiveType} from 'josm/ds'
*
* const dsutil = new DataSetUtil(new DataSet())
* // get a node
* const n1 = dsutil.get(1234, 'node')
*
* // get a way
* const w1 = dsutil.get(3333, OsmPrimitiveType.WAY)
*
* // get a relation
* const r1 = dsutil.get({id: 5423, type: 'relation'})
*
* // pass in a SimplePrimitiveId
* const id = buildId(-5, OsmPrimitiveType.NODE)
* const n2 = dsutil.get(id)
*
* // pass in a primitive to get it
* const w2 = dsutil.wayBuilder().create(987)
* const w3 = dsutil.get(w2)
*
* @param args see description
*/
get () {
const id = buildId(...arguments)
return this.ds.getPrimitiveById(id)
}
/**
* Replies the node with id <code>id</code>, or null.
*
* @example
* import { DataSet, DataSetUtil } from 'josm/ds'
*
* const dsutil = new DataSetUtil(new DataSet())
* // get a node
* const n = dsutil.node(1234)
*
* @param {number} id the unique numeric id. Must not be 0.
* @returns {org.openstreetmap.josm.data.osm.Node} the node
*/
node (id) {
util.assert(util.isSomething(id), 'expected defined id, got "{0}"', id)
return this.get(id, 'node')
}
/**
* Replies the way with id <code>id</code>, or null
*
* @example
* import { DataSet, DataSetUtil } from 'josm/ds'
*
* const dsutil = new DataSetUtil(new DataSet())
* // get a way
* const w = dsutil.way(1234)
* @param {number} id the unique numeric id. Must not be 0.
* @returns {org.openstreetmap.josm.data.osm.Way} the way
*/
way (id) {
util.assert(util.isSomething(id), 'expected defined id, got "{0}"', id)
return this.get(id, 'way')
}
/**
* Replies the relation with id <code>id</code>.
*
* @example
* import { DataSet, DataSetUtil } from 'josm/ds'
*
* const dsutil = new DataSetUtil(new DataSet())
* // get a relation
* const r = dsutil.relation(1234)
*
* @param {number} id the unique numeric id. Must not be 0.
* @returns {org.openstreetmap.josm.data.osm.Relation} the relation
*/
relation (id) {
util.assert(util.isSomething(id), 'expected defined id, got "{0}"', id)
return this.get(id, 'relation')
}
/**
* Run a sequence of operations against the dataset in "batch mode".
*
* Listeners to data set events are only notified at the end of the batch.
*
* @example
* import { DataSet, DataSetUtil } from 'josm/ds'
* const dsutil = new DataSetUtil(new DataSet())
* // creates and adds two nodes and a way in batch operation
* // to the dataset
* dsutil.batch(() => {
* const n1 = dsutil.nodeBuilder().create()
* const n2 = dsutil.nodeBuilder().create()
* dsutil.wayBuilder().withNodes(n1,n2).create()
* })
*
* @param {function} delegate the function implementing the batch process.
* Ignored if null or undefined.
*/
batch (delegate) {
if (!(util.isSomething(delegate))) {
return
}
util.assert(util.isFunction(delegate), 'expected a function, got "{0}"',
delegate)
this.ds.beginUpdate()
try {
delegate()
} finally {
this.ds.endUpdate()
}
}
/**
* Removes objects from the dataset
*
* <strong>Signatures</strong>
* <dl>
* <dt><code class="signature">remove(id, type)</code></dt>
* <dd class="param-desc">Removes a single object given by its unique numeric ID (nid) and a
* type. The type is either a string "node", "way", or "relation", or one
* of the symbols
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.NODE,
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.WAY, or
* {@class org.openstreetmap.josm.data.osm.OsmPrimitiveType}.RELATION.</dd>
*
* <dt><code class="signature">remove(id, id, ...)</code></dt>
* <dd class="param-desc">Removes a collection of objects given by the ids. <code>id</code> is
* either an instance of
* {@class org.openstreetmap.josm.data.osm.PrimitiveId} or an object with
* the properties <code>id</code> and <code>type</code>, i.e.
* <code>{id: 1234, type: "node"}</code>.
* null and undefined are ignored.</dd>
*
* <dt><code class="signature">remove(array|collection)</code></dt>
* <dd class="param-desc">Removes a collection of objects given by the an array or a
* java.util.Collection of ids.
* The collection elemeents are either instances of
* {@class org.openstreetmap.josm.data.osm.PrimitiveId} or an object with
* the properties <code>id</code> and <code>type</code>, i.e.
* <code>{id: 1234, type: "node"}</code>.
* null or undefined elements are ignored.
* </dd>
* </dl>
*
* @example
* import { DataSet, DataSetUtil, OsmPrimitiveType, buildId} from 'josm/ds'
* const HashSet = Java.type('java.util.HashSet')
* const dsutil = new DataSetUtil(new DataSet())
*
* // remove a node with a global id
* dsutil.remove(1234, 'node')
*
* // remove a node and a way
* const id1 = buildId(1234, 'node')
* const id2 = buildId(3333, OsmPrimitiveType.WAY)
* dsutil.remove(id1, id2)
*
* // remove a relation and a node
* dsutil.remove({id: 1234, type: 'relation'}, id1)
*
* // remove an array of nodes
* dsutil.remove([id1,id2])
*
* // remove a set of primitives
* const ids = new HashSet()
* ids.add(id1)
* ids.add(id1)
* dsutil.remove(ids)
*
* @param args see description
*/
remove () {
// we have exactly two arguments, id and type. If we succeed
// to convert them to a primitive id, then we are done
if (arguments.length === 2) {
let id
try {
id = buildId(normalizeId(arguments[0]), normalizeType(arguments[1]))
} catch (e) {
id = null
}
if (id) {
this.ds.removePrimitive(id)
return
}
}
// we have a list of ids or collections of ids to remove.
// First build a flat list of the ids, then remove them
// in a batch operation from the dataset
const ids = normalizeIds(...arguments)
const ds = this.ds
this.batch(() => {
each(ids, (id) => {
ds.removePrimitive(id)
})
})
}
/**
* Replies a node builder to create {@class org.openstreetmap.josm.data.osm.Node}s in this dataset.
*
* @example
* import { DataSet, DataSetUtil } from 'josm/ds'
* const dsutil = new DataSetUtil(new DataSet())
* const n = dsutil.nodeBuilder
* .withId(1234,4567)
* .withTags({amenity: 'restaurant'})
* .create()
* dsutil.has(n)
*
* @property {module:josm/builder~NodeBuilder} nodeBuilder
* @readOnly
*/
get nodeBuilder () {
return NodeBuilder.forDataSet(this.ds)
}
/**
* Replies a way builder to create ways in this dataset.
*
* @example
* import { DataSet, DataSetUtil } from 'josm/ds'
*
* const dsutil = new DataSetUtil(new DataSet())
* const nb = dsutil.nodeBuilder()
* const w = dsutil.wayBuilder()
* .withNodes(nb.create(), nb.create())
* .create(1234, {tags: {highway: "residential"}})
* dsutil.has(w)
*
* @property {module:josm/builder~WayBuilder} wayBuilder
* @readOnly
*/
get wayBuilder () {
return WayBuilder.forDataSet(this.ds)
}
/**
* Replies a relation builder to create relations in this dataset.
*
* @example
* import { DataSet, DataSetUtil } from 'josm/ds'
*
* const dsutil = new DataSetUtil(new DataSet())
* const r = dsutil.relationBuilder()
* .withId(8765,1234)
* .create({tags: {type: 'network'}})
* ds.has(r) // --> true
*
* @property {module:josm/builder~RelationBuilder} relationBuilder
* @readOnly
*/
get relationBuilder () {
return RelationBuilder.forDataSet(this.ds)
}
/**
* Loads a dataset from a file.
* <p>
* Derives the format of the file from the file suffix, unless the named
* option <code>options.format</code> is set.
* <p>
* <code>options</code> can contain the following named options:
* <dl>
* <dt><code class="signature">format</code></dt>
* <dd class="param-desc">one of the strings <code>osm</code> (Open Street Map XML data),
* <code>osc</code> (Open Street Map change format), or
* <code>osm.gz</code> (Open Street Map XML data,
* compressed with gzip). The format is normalized: white space is removed and it is
* converted to lower case.</dd>
* </dl>
*
* @example
* import { DataSetUtil } from 'josm/ds'
*
* // loads an OSM file
* DataSetUtil.load('/path/to/my/file.osm')
*
* // loads an OSM file, explicity passing in the format
* DataSetUtil.load('/path/to/my/file.any-suffix', { format 'osm' })
*
* @param {string|java.io.File} source the data source
* @param {object} [options] optional named parameters
*
* @return {module:josm/ds~DataSetUtil} the data set util with the loaded data set
*/
static load (source, options) {
function normalizeFile (source) {
if (source instanceof File) {
return source
} else if (util.isString(source)) {
return new File(source)
} else {
util.assert(false,
'source: illegal value, expected string or File, got {0}',
source)
}
}
function normalizeFormat (source, options) {
const FORMATS = {
osm: true,
osc: true,
'osm.gz': true
}
if (util.isSomething(options.format)) {
// convert to string
const format = util.trim(options.format + '').toLowerCase()
if (FORMATS[format]) {
return format
}
util.assert(false,
`options.format: unknown format '${format}'`)
} else {
if (source.getPath().endsWith('.osm.gz')) {
return 'osm.gz'
}
if (new OsmImporter().acceptFile(source)) {
return 'osm'
}
if (new OsmChangeImporter().acceptFile(source)) {
return 'osc'
}
util.assert(false,
`Failed to derive format from file name. file is '${source}'`)
}
}
util.assert(util.isSomething(source),
'source: must not be null or undefined')
options = options || {}
source = normalizeFile(source)
const format = normalizeFormat(source, options)
log(`format: ${format}`)
let is
try {
switch (format) {
// load an OSM file
case 'osm': {
is = new FileInputStream(source)
const other = OsmReader.parseDataSet(is,
null /* null progress monitor */)
return new DataSetUtil(other)
}
// load an OSC file
case 'osc': {
is = new FileInputStream(source)
const other = OsmChangeReader.parseDataSet(is,
null /* null progress monitor */)
return new DataSetUtil(other)
}
// load a compressed OSM file
case 'osm.gz': {
is = new GZIPInputStream(new FileInputStream(source))
const other = OsmReader.parseDataSet(is,
null /* null progress monitor */)
return new DataSetUtil(other)
}
default:
util.assert(false,
`unknown format '${format}'. Failed to load from ${source}`)
}
} finally {
is && Utils.close(is)
}
}
/**
* Saves the dataset to a file (in OSM XML format).
* <p>
*
* <code>options</code> can contain the following named options:
* <dl>
* <dt><code class="signature">version</code>: string</dt>
* <dd class="param-desc">the value of the attribute <code>version</code> in the OSM file
* header. Default: "0.6"</dd>
*
* <dt><codeclass="signature">changeset</code>: Changeset</dt>
* <dd class="param-desc">the changeset whose id is included in the attribute
* <code>changeset</code> on every OSM object. If undefined, includes the
* individual <code>changeset</code> attribute of the OSM object.
* Default: undefined</dd>
* <dt><codeclass="signature">osmConform</code>: bool</dt>
* <dd class="param-desc">if true, prevents modification attributes to be written
* Default: true</dd>
* </dl>
*
* @example
* import { DataSetUtil } from 'josm/ds'
*
* const dsutil = new DataSetUtil()
* // create a node in the dataset
* dsutil.nodeBuilder()
* .withId(1, 1)
* .withPosition({ lat: 1.0, lon: 1.0 })
* .create()
*
* // save the dataset
* dsutil.save('/tmp/my-dataset.osm')
*
* @param {string|java.io.File} target the target file
* @param {object} [options] optional named parameters
* @instance
*/
save (target, options) {
function normalizeTarget (target) {
util.assert(util.isSomething(target),
'target: must not be null or undefined')
if (util.isString(target)) {
return new File(target)
} else if (target instanceof File) {
return target
} else {
util.assert(false,
'target: unexpected type of value, got {0}', target)
}
}
function normalizeOptions (options) {
options = options || {}
util.assert(
!util.isDef(options.version) || util.isString(options.version),
'options.version: expected a string, got {0}', options.version)
options.version = options.version
? util.trim(options.version)
: null /* default version */
/// true, if not explicity set to false
options.osmConform = options.osmConform !== false
const changeset = options.changeset
util.assert(
!util.isDef(changeset) || changeset instanceof Changeset,
'options.changeset: expected a changeset, got {0}', changeset)
return options
}
target = normalizeTarget(target)
options = normalizeOptions(options)
let pw
try {
pw = new PrintWriter(new FileWriter(target))
const writer = OsmWriterFactory.createOsmWriter(
pw,
options.osmConform,
options.version)
if (options.changeset) {
writer.setChangeset(options.changeset)
}
try {
this.ds.getReadLock().lock()
writer.header()
writer.writeContent(this.ds)
writer.footer()
} finally {
this.ds.getReadLock().unlock()
}
} finally {
pw && pw.close()
}
}
/**
* Queries the dataset
* <p>
* <strong>Signatures</strong>
* <dl>
* <dt><code class="signature">query(josmSearchExpression,?options)</code>
* </dt>
* <dd class="param-desc">Queries the dataset using the JOSM search expression
* <code>josmSearchExpression</code>.
* <code>josmSearchExpression</code> is a string as you would enter it in
* the JOSM search dialog. <code>options</code> is an (optional) object
* with named parameters, see below.</dd>
*
* <dt><code class="signature">query(predicate,?options)</code></dt>
* <dd class="param-desc">Queries the dataset using a javascript predicate function
* <code>predicate</code>. <code>predicate</code> is a javascript
* function which accepts a object as parameter and replies
* true, when it matches for the object ans false otherwise.
* <code>options</code> is an (optional) object with named parameters,
* see below.</dd>
* </dl>
*
* The parameter <code>options</code> consist of the following (optional)
* named parameters:
* <dl>
* <dt><code class="signature">allElements</code> : boolean
* (Deprecated parameter names:
* <code class="signature">all</code>)</dt>
* <dd class="param-desc">If true, searches <em>all</em> objects in the dataset. If false,
* ignores incomplete or deleted
* objects. Default: false.</dd>
*
* <dt><code class="signature">caseSensitive</code> : boolean</dt>
* <dd class="param-desc"><strong>Only applicable for searches with a JOSM search
* expression</strong>. If true, searches case sensitive. If false,
* searches case insensitive. Default: false.</dd>
*
* <dt><code class="signature">regexSearch</code> : boolean (Deprecated
* parameter names:
* <code class="signature">withRegexp</code>,
* <code class="signature">regexpSearch</code>)</dt>
* <dd class="param-desc"><strong>Only applicable for searches with a JOSM search
* expression</strong>. If true, the search expression contains regular
* expressions. If false, it includes only plain strings for searching.
* Default: false.</dd>
*
* <dt><code class="signature">mapCSSSearch</code></dt>
* <dd class="param-desc"><strong>Only applies for searches with a JOSM search
* expression</strong>.
* Default: false.</dd>
* </dl>
*
* @example
* import { DataSetUtil } from 'josm/ds'
* const dsutil = new DataSetUtil()
* // add or load primitives to query
* // ...
*
* // query restaurants
* const result1 = dsutil.query('amenity=restaurant')
*
* // query all nodes with a type query
* const result2 = dsutil.query('type:node')
*
* // query using a custom predicate - all primitives
* // with exactly two tags
* const result3 = dsutil.query((primitive) => {
* primitive.getKeys().size() === 2
* })
*
* @param {string|function} expression the match expression
* @param {object} [options] additional named parameters
* @instance
*/
query (expression, options) {
const SearchSetting = Java.type('org.openstreetmap.josm.data.osm.search.SearchSetting')
const SearchCompiler = Java.type('org.openstreetmap.josm.data.osm.search.SearchCompiler')
options = options || {}
switch (arguments.length) {
case 0: return []
case 1:
case 2:
if (util.isString(expression)) {
const ss = new SearchSetting()
ss.caseSensitive = Boolean(options.caseSensitive)
ss.regexSearch =
Boolean(options.regexSearch) ||
Boolean(options.regexpSearch) ||
Boolean(options.withRegexp)
ss.allElements =
Boolean(options.all) ||
Boolean(options.allElements)
ss.mapCSSSearch = Boolean(options.mapCSSSearch)
ss.text = expression
const matcher = SearchCompiler.compile(ss)
let predicate
if (ss.allElements) {
predicate = (matcher) => (obj) => {
return matcher.match(obj)
}
} else {
predicate = (matcher) => (obj) => {
return obj.isUsable() && matcher.match(obj)
}
}
return collect(this.ds.allPrimitives(), predicate(matcher))
} else if (util.isFunction(expression)) {
const all =
Boolean(options.all) ||
Boolean(options.allElements)
let predicate = expression
if (!all) {
predicate = (obj) => {
return obj.isUsable() && expression(obj)
}
}
return collect(this.ds.allPrimitives(), predicate)
} else {
util.assert(false,
'expression: Unexpected type of argument, got {0}',
arguments[0])
}
break
default:
util.assert(false,
'Expected a predicate, got {0} arguments', arguments.length)
}
}
}