Remove old ol.parser.TopoJSON

old/src/ol/parser/topojsonparser.exports

@@ -1 +0,0 @@
-@exportSymbol ol.parser.TopoJSON

old/src/ol/parser/topojsonparser.js

@@ -1,382 +0,0 @@
-goog.provide('ol.parser.TopoJSON');
-
-goog.require('ol.Coordinate');
-goog.require('ol.CoordinateArray');
-goog.require('ol.Feature');
-goog.require('ol.geom.LineString');
-goog.require('ol.geom.MultiLineString');
-goog.require('ol.geom.MultiPoint');
-goog.require('ol.geom.MultiPolygon');
-goog.require('ol.geom.Point');
-goog.require('ol.geom.Polygon');
-goog.require('ol.parser.Parser');
-goog.require('ol.parser.StringFeatureParser');
-
-
-
-/**
- * Read [TopoJSON](https://github.com/mbostock/topojson)
- *
- * @constructor
- * @implements {ol.parser.StringFeatureParser}
- * @extends {ol.parser.Parser}
- * @todo stability experimental
- */
-ol.parser.TopoJSON = function() {};
-goog.inherits(ol.parser.TopoJSON, ol.parser.Parser);
-goog.addSingletonGetter(ol.parser.TopoJSON);
-
-
-/**
- * Concatenate arcs into a coordinate array.
- * @param {Array.<number>} indices Indices of arcs to concatenate.  Negative
- *     values indicate arcs need to be reversed.
- * @param {Array.<ol.CoordinateArray>} arcs Arcs (already transformed).
- * @return {ol.CoordinateArray} Coordinate array.
- * @private
- */
-ol.parser.TopoJSON.prototype.concatenateArcs_ = function(indices, arcs) {
-  var coordinates = [];
-  var index, arc;
-  for (var i = 0, ii = indices.length; i < ii; ++i) {
-    index = indices[i];
-    if (i > 0) {
-      // splicing together arcs, discard last point
-      coordinates.pop();
-    }
-    if (index >= 0) {
-      // forward arc
-      arc = arcs[index];
-    } else {
-      // reverse arc
-      arc = arcs[~index].slice().reverse();
-    }
-    coordinates.push.apply(coordinates, arc);
-  }
-  // provide fresh copies of coordinate arrays
-  for (var j = 0, jj = coordinates.length; j < jj; ++j) {
-    coordinates[j] = coordinates[j].slice();
-  }
-  return coordinates;
-};
-
-
-/**
- * Parse a TopoJSON string.
- * @param {string} str TopoJSON string.
- * @return {Array.<ol.Feature>} Array of features.
- */
-ol.parser.TopoJSON.prototype.read = function(str) {
-  var topology = /** @type {TopoJSONTopology} */ (JSON.parse(str));
-  return this.readFeaturesFromObject(topology).features;
-};
-
-
-/**
- * Create features from a TopoJSON topology string.
- *
- * @param {string} str TopoJSON topology string.
- * @return {ol.parser.ReadFeaturesResult} Features and metadata.
- */
-ol.parser.TopoJSON.prototype.readFeaturesFromString = function(str) {
-  var topology = /** @type {TopoJSONTopology} */ (JSON.parse(str));
-  if (topology.type !== 'Topology') {
-    throw new Error('Not a "Topology" type object');
-  }
-  return {
-    features: this.readFeaturesFromTopology_(topology),
-    metadata: {projection: 'EPSG:4326'}
-  };
-};
-
-
-/**
- * Create features from a TopoJSON topology object.
- *
- * @param {TopoJSONTopology} topology TopoJSON topology object.
- * @return {ol.parser.ReadFeaturesResult} Features and metadata.
- */
-ol.parser.TopoJSON.prototype.readFeaturesFromObject = function(topology) {
-  if (topology.type !== 'Topology') {
-    throw new Error('Not a "Topology" type object');
-  }
-  return {
-    features: this.readFeaturesFromTopology_(topology),
-    metadata: {projection: 'EPSG:4326'}
-  };
-};
-
-
-/**
- * Create a feature from a TopoJSON geometry object.
- *
- * @param {TopoJSONGeometry} object TopoJSON geometry object.
- * @param {Array.<ol.CoordinateArray>} arcs Array of arcs.
- * @param {Array.<number>} scale Scale for each dimension.
- * @param {Array.<number>} translate Translation for each dimension.
- * @return {ol.Feature} Feature.
- * @private
- */
-ol.parser.TopoJSON.prototype.readFeatureFromGeometry_ = function(object, arcs,
-    scale, translate) {
-  var geometry;
-  var type = object.type;
-  if (type === 'Point') {
-    geometry = this.readPoint_(/** @type {TopoJSONPoint} */ (object), scale,
-        translate);
-  } else if (type === 'LineString') {
-    geometry = this.readLineString_(/** @type {TopoJSONLineString} */ (object),
-        arcs);
-  } else if (type === 'Polygon') {
-    geometry = this.readPolygon_(/** @type {TopoJSONPolygon} */ (object), arcs);
-  } else if (type === 'MultiPoint') {
-    geometry = this.readMultiPoint_(/** @type {TopoJSONMultiPoint} */ (object),
-        scale, translate);
-  } else if (type === 'MultiLineString') {
-    geometry = this.readMultiLineString_(
-        /** @type {TopoJSONMultiLineString} */(object), arcs);
-  } else if (type === 'MultiPolygon') {
-    geometry = this.readMultiPolygon_(
-        /** @type {TopoJSONMultiPolygon} */ (object), arcs);
-  } else {
-    throw new Error('Unsupported geometry type: ' + type);
-  }
-  var feature = new ol.Feature();
-  feature.setGeometry(geometry);
-  if (goog.isDef(object.id)) {
-    feature.setId(String(object.id));
-  }
-  return feature;
-};
-
-
-/**
- * Create features from a TopoJSON GeometryCollection object.
- *
- * @param {TopoJSONGeometryCollection} collection TopoJSON GeometryCollection
- *     object.
- * @param {Array.<ol.CoordinateArray>} arcs Array of arcs.
- * @param {Array.<number>} scale Scale for each dimension.
- * @param {Array.<number>} translate Translation for each dimension.
- * @return {Array.<ol.Feature>} Array of features.
- * @private
- */
-ol.parser.TopoJSON.prototype.readFeaturesFromGeometryCollection_ = function(
-    collection, arcs, scale, translate) {
-  var geometries = collection.geometries;
-  var num = geometries.length;
-  var features = new Array(num);
-  for (var i = 0; i < num; ++i) {
-    features[i] = this.readFeatureFromGeometry_(geometries[i], arcs, scale,
-        translate);
-  }
-  return features;
-};
-
-
-/**
- * @param {TopoJSONTopology} topology TopoJSON object.
- * @return {Array.<ol.Feature>} Parsed features.
- * @private
- */
-ol.parser.TopoJSON.prototype.readFeaturesFromTopology_ = function(topology) {
-  var transform = topology.transform;
-  var scale = transform.scale;
-  var translate = transform.translate;
-  var arcs = topology.arcs;
-  this.transformArcs_(arcs, scale, translate);
-  var objects = topology.objects;
-  var features = [];
-  for (var key in objects) {
-    if (objects[key].type === 'GeometryCollection') {
-      features.push.apply(features, this.readFeaturesFromGeometryCollection_(
-          /** @type {TopoJSONGeometryCollection} */ (objects[key]),
-          arcs, scale, translate));
-    } else {
-      features.push(this.readFeatureFromGeometry_(
-          /** @type {TopoJSONGeometry} */ (objects[key]),
-          arcs, scale, translate));
-    }
-  }
-  return features;
-};
-
-
-/**
- * Create a linestring from a TopoJSON geometry object.
- *
- * @param {TopoJSONLineString} object TopoJSON object.
- * @param {Array.<ol.CoordinateArray>} arcs Array of arcs.
- * @return {ol.geom.LineString} Geometry.
- * @private
- */
-ol.parser.TopoJSON.prototype.readLineString_ = function(object, arcs) {
-  var coordinates = this.concatenateArcs_(object.arcs, arcs);
-  return new ol.geom.LineString(coordinates);
-};
-
-
-/**
- * Create a multi-linestring from a TopoJSON geometry object.
- *
- * @param {TopoJSONMultiLineString} object TopoJSON object.
- * @param {Array.<ol.CoordinateArray>} arcs Array of arcs.
- * @return {ol.geom.MultiLineString} Geometry.
- * @private
- */
-ol.parser.TopoJSON.prototype.readMultiLineString_ = function(object, arcs) {
-  var array = object.arcs; // I'm out of good names
-  var num = array.length;
-  var coordinates = new Array(num);
-  for (var i = 0; i < num; ++i) {
-    coordinates[i] = this.concatenateArcs_(array[i], arcs);
-  }
-  return new ol.geom.MultiLineString(coordinates);
-};
-
-
-/**
- * Create a multi-point from a TopoJSON geometry object.
- *
- * @param {TopoJSONMultiPoint} object TopoJSON object.
- * @param {Array.<number>} scale Scale for each dimension.
- * @param {Array.<number>} translate Translation for each dimension.
- * @return {ol.geom.MultiPoint} Geometry.
- * @private
- */
-ol.parser.TopoJSON.prototype.readMultiPoint_ = function(object, scale,
-    translate) {
-  var coordinates = object.coordinates;
-  for (var i = 0, ii = coordinates.length; i < ii; ++i) {
-    this.transformVertex_(coordinates[i], scale, translate);
-  }
-  return new ol.geom.MultiPoint(coordinates);
-};
-
-
-/**
- * Create a multi-polygon from a TopoJSON geometry object.
- *
- * @param {TopoJSONMultiPolygon} object TopoJSON object.
- * @param {Array.<ol.CoordinateArray>} arcs Array of arcs.
- * @return {ol.geom.MultiPolygon} Geometry.
- * @private
- */
-ol.parser.TopoJSON.prototype.readMultiPolygon_ = function(object, arcs) {
-  var array = object.arcs;
-  var numPolys = array.length;
-  var coordinates = new Array(numPolys);
-  var polyArray, numRings, ringCoords, j;
-  for (var i = 0; i < numPolys; ++i) {
-    // for each polygon
-    polyArray = array[i];
-    numRings = polyArray.length;
-    ringCoords = new Array(numRings);
-    for (j = 0; j < numRings; ++j) {
-      // for each ring
-      ringCoords[j] = this.concatenateArcs_(polyArray[j], arcs);
-    }
-    coordinates[i] = ringCoords;
-  }
-  return new ol.geom.MultiPolygon(coordinates);
-};
-
-
-/**
- * Create a point from a TopoJSON geometry object.
- *
- * @param {TopoJSONPoint} object TopoJSON object.
- * @param {Array.<number>} scale Scale for each dimension.
- * @param {Array.<number>} translate Translation for each dimension.
- * @return {ol.geom.Point} Geometry.
- * @private
- */
-ol.parser.TopoJSON.prototype.readPoint_ = function(object, scale, translate) {
-  var coordinates = object.coordinates;
-  this.transformVertex_(coordinates, scale, translate);
-  return new ol.geom.Point(coordinates);
-};
-
-
-/**
- * Create a polygon from a TopoJSON geometry object.
- *
- * @param {TopoJSONPolygon} object TopoJSON object.
- * @param {Array.<ol.CoordinateArray>} arcs Array of arcs.
- * @return {ol.geom.Polygon} Geometry.
- * @private
- */
-ol.parser.TopoJSON.prototype.readPolygon_ = function(object, arcs) {
-  var array = object.arcs; // I'm out of good names
-  var num = array.length;
-  var coordinates = new Array(num);
-  for (var i = 0; i < num; ++i) {
-    coordinates[i] = this.concatenateArcs_(array[i], arcs);
-  }
-  return new ol.geom.Polygon(coordinates);
-};
-
-
-/**
- * Apply a linear transform to array of arcs.  The provided array of arcs is
- * modified in place.
- *
- * @param {Array.<ol.CoordinateArray>} arcs Array of arcs.
- * @param {Array.<number>} scale Scale for each dimension.
- * @param {Array.<number>} translate Translation for each dimension.
- * @private
- */
-ol.parser.TopoJSON.prototype.transformArcs_ = function(arcs, scale, translate) {
-  for (var i = 0, ii = arcs.length; i < ii; ++i) {
-    this.transformArc_(arcs[i], scale, translate);
-  }
-};
-
-
-/**
- * Apply a linear transform to an arc.  The provided arc is modified in place.
- *
- * @param {ol.CoordinateArray} arc Arc.
- * @param {Array.<number>} scale Scale for each dimension.
- * @param {Array.<number>} translate Translation for each dimension.
- * @private
- */
-ol.parser.TopoJSON.prototype.transformArc_ = function(arc, scale, translate) {
-  var x = 0;
-  var y = 0;
-  var vertex;
-  for (var i = 0, ii = arc.length; i < ii; ++i) {
-    vertex = arc[i];
-    x += vertex[0];
-    y += vertex[1];
-    vertex[0] = x;
-    vertex[1] = y;
-    this.transformVertex_(vertex, scale, translate);
-  }
-};
-
-
-/**
- * Apply a linear transform to a vertex.  The provided vertex is modified in
- * place.
- *
- * @param {ol.Coordinate} vertex Vertex.
- * @param {Array.<number>} scale Scale for each dimension.
- * @param {Array.<number>} translate Translation for each dimension.
- * @private
- */
-ol.parser.TopoJSON.prototype.transformVertex_ = function(vertex, scale,
-    translate) {
-  vertex[0] = vertex[0] * scale[0] + translate[0];
-  vertex[1] = vertex[1] * scale[1] + translate[1];
-};
-
-
-/**
- * Parse a TopoJSON string.
- * @param {string} str TopoJSON string.
- * @return {Array.<ol.Feature>} Array of features.
- */
-ol.parser.TopoJSON.read = function(str) {
-  return ol.parser.TopoJSON.getInstance().read(str);
-};