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 | 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 6× 6× 1× 1× 6× 6× 6× 6× 6× 6× 6× 6× 6× 6× 6× 6× 6× 1× 1× 1× 1× 1× 1× 1× 2× 2× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 2× 2× 1× 7× 7× 1× 1× 1× 1× 1× 1× 4× 4× 4× 4× 4× 1× 1× 1× 1× | // FIXME add typedef for stack state objects goog.provide('ol.format.OSMXML'); goog.require('ol'); goog.require('ol.array'); goog.require('ol.Feature'); goog.require('ol.format.Feature'); goog.require('ol.format.XMLFeature'); goog.require('ol.geom.GeometryLayout'); goog.require('ol.geom.LineString'); goog.require('ol.geom.Point'); goog.require('ol.geom.Polygon'); goog.require('ol.obj'); goog.require('ol.proj'); goog.require('ol.xml'); /** * @classdesc * Feature format for reading data in the * [OSMXML format](http://wiki.openstreetmap.org/wiki/OSM_XML). * * @constructor * @extends {ol.format.XMLFeature} * @api */ ol.format.OSMXML = function() { ol.format.XMLFeature.call(this); /** * @inheritDoc */ this.defaultDataProjection = ol.proj.get('EPSG:4326'); }; ol.inherits(ol.format.OSMXML, ol.format.XMLFeature); /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.OSMXML.readNode_ = function(node, objectStack) { var options = /** @type {olx.format.ReadOptions} */ (objectStack[0]); var state = /** @type {Object} */ (objectStack[objectStack.length - 1]); var id = node.getAttribute('id'); /** @type {ol.Coordinate} */ var coordinates = [ parseFloat(node.getAttribute('lon')), parseFloat(node.getAttribute('lat')) ]; state.nodes[id] = coordinates; var values = ol.xml.pushParseAndPop({ tags: {} }, ol.format.OSMXML.NODE_PARSERS_, node, objectStack); Eif (!ol.obj.isEmpty(values.tags)) { var geometry = new ol.geom.Point(coordinates); ol.format.Feature.transformWithOptions(geometry, false, options); var feature = new ol.Feature(geometry); feature.setId(id); feature.setProperties(values.tags); state.features.push(feature); } }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.OSMXML.readWay_ = function(node, objectStack) { var options = /** @type {olx.format.ReadOptions} */ (objectStack[0]); var id = node.getAttribute('id'); var values = ol.xml.pushParseAndPop({ ndrefs: [], tags: {} }, ol.format.OSMXML.WAY_PARSERS_, node, objectStack); var state = /** @type {Object} */ (objectStack[objectStack.length - 1]); /** @type {Array.<number>} */ var flatCoordinates = []; for (var i = 0, ii = values.ndrefs.length; i < ii; i++) { var point = state.nodes[values.ndrefs[i]]; ol.array.extend(flatCoordinates, point); } var geometry; Iif (values.ndrefs[0] == values.ndrefs[values.ndrefs.length - 1]) { // closed way geometry = new ol.geom.Polygon(null); geometry.setFlatCoordinates(ol.geom.GeometryLayout.XY, flatCoordinates, [flatCoordinates.length]); } else { geometry = new ol.geom.LineString(null); geometry.setFlatCoordinates(ol.geom.GeometryLayout.XY, flatCoordinates); } ol.format.Feature.transformWithOptions(geometry, false, options); var feature = new ol.Feature(geometry); feature.setId(id); feature.setProperties(values.tags); state.features.push(feature); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.OSMXML.readNd_ = function(node, objectStack) { var values = /** @type {Object} */ (objectStack[objectStack.length - 1]); values.ndrefs.push(node.getAttribute('ref')); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.OSMXML.readTag_ = function(node, objectStack) { var values = /** @type {Object} */ (objectStack[objectStack.length - 1]); values.tags[node.getAttribute('k')] = node.getAttribute('v'); }; /** * @const * @private * @type {Array.<string>} */ ol.format.OSMXML.NAMESPACE_URIS_ = [ null ]; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.OSMXML.WAY_PARSERS_ = ol.xml.makeStructureNS( ol.format.OSMXML.NAMESPACE_URIS_, { 'nd': ol.format.OSMXML.readNd_, 'tag': ol.format.OSMXML.readTag_ }); /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.OSMXML.PARSERS_ = ol.xml.makeStructureNS( ol.format.OSMXML.NAMESPACE_URIS_, { 'node': ol.format.OSMXML.readNode_, 'way': ol.format.OSMXML.readWay_ }); /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.OSMXML.NODE_PARSERS_ = ol.xml.makeStructureNS( ol.format.OSMXML.NAMESPACE_URIS_, { 'tag': ol.format.OSMXML.readTag_ }); /** * Read all features from an OSM source. * * @function * @param {Document|Node|Object|string} source Source. * @param {olx.format.ReadOptions=} opt_options Read options. * @return {Array.<ol.Feature>} Features. * @api */ ol.format.OSMXML.prototype.readFeatures; /** * @inheritDoc */ ol.format.OSMXML.prototype.readFeaturesFromNode = function(node, opt_options) { var options = this.getReadOptions(node, opt_options); Eif (node.localName == 'osm') { var state = ol.xml.pushParseAndPop({ nodes: {}, features: [] }, ol.format.OSMXML.PARSERS_, node, [options]); Eif (state.features) { return state.features; } } return []; }; /** * Read the projection from an OSM source. * * @function * @param {Document|Node|Object|string} source Source. * @return {ol.proj.Projection} Projection. * @api */ ol.format.OSMXML.prototype.readProjection; /** * Not implemented. * @inheritDoc */ ol.format.OSMXML.prototype.writeFeatureNode = function(feature, opt_options) {}; /** * Not implemented. * @inheritDoc */ ol.format.OSMXML.prototype.writeFeaturesNode = function(features, opt_options) {}; /** * Not implemented. * @inheritDoc */ ol.format.OSMXML.prototype.writeGeometryNode = function(geometry, opt_options) {}; |