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openlayers

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Build tools and sources for developing OpenLayers based mapping applications

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goog.provide('ol.format.GML3'); goog.require('ol'); goog.require('ol.array'); goog.require('ol.extent'); goog.require('ol.format.Feature'); goog.require('ol.format.GMLBase'); goog.require('ol.format.XSD'); goog.require('ol.geom.Geometry'); goog.require('ol.geom.GeometryLayout'); goog.require('ol.geom.LineString'); goog.require('ol.geom.MultiLineString'); goog.require('ol.geom.MultiPolygon'); goog.require('ol.geom.Polygon'); goog.require('ol.obj'); goog.require('ol.proj'); goog.require('ol.xml'); /** * @classdesc * Feature format for reading and writing data in the GML format * version 3.1.1. * Currently only supports GML 3.1.1 Simple Features profile. * * @constructor * @param {olx.format.GMLOptions=} opt_options * Optional configuration object. * @extends {ol.format.GMLBase} * @api */ ol.format.GML3 = function(opt_options) { var options = /** @type {olx.format.GMLOptions} */ (opt_options ? opt_options : {}); ol.format.GMLBase.call(this, options); /** * @private * @type {boolean} */ this.surface_ = options.surface !== undefined ? options.surface : false; /** * @private * @type {boolean} */ this.curve_ = options.curve !== undefined ? options.curve : false; /** * @private * @type {boolean} */ this.multiCurve_ = options.multiCurve !== undefined ? options.multiCurve : true; /** * @private * @type {boolean} */ this.multiSurface_ = options.multiSurface !== undefined ? options.multiSurface : true; /** * @inheritDoc */ this.schemaLocation = options.schemaLocation ? options.schemaLocation : ol.format.GML3.schemaLocation_; }; ol.inherits(ol.format.GML3, ol.format.GMLBase); /** * @const * @type {string} * @private */ ol.format.GML3.schemaLocation_ = ol.format.GMLBase.GMLNS + ' http://schemas.opengis.net/gml/3.1.1/profiles/gmlsfProfile/' + '1.0.0/gmlsf.xsd'; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {ol.geom.MultiLineString|undefined} MultiLineString. */ ol.format.GML3.prototype.readMultiCurve_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'MultiCurve', 'localName should be MultiCurve'); /** @type {Array.<ol.geom.LineString>} */ var lineStrings = ol.xml.pushParseAndPop([], this.MULTICURVE_PARSERS_, node, objectStack, this); if (lineStrings) { var multiLineString = new ol.geom.MultiLineString(null); multiLineString.setLineStrings(lineStrings); return multiLineString; } else { return undefined; } }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {ol.geom.MultiPolygon|undefined} MultiPolygon. */ ol.format.GML3.prototype.readMultiSurface_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'MultiSurface', 'localName should be MultiSurface'); /** @type {Array.<ol.geom.Polygon>} */ var polygons = ol.xml.pushParseAndPop([], this.MULTISURFACE_PARSERS_, node, objectStack, this); if (polygons) { var multiPolygon = new ol.geom.MultiPolygon(null); multiPolygon.setPolygons(polygons); return multiPolygon; } else { return undefined; } }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.GML3.prototype.curveMemberParser_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'curveMember' || node.localName == 'curveMembers', 'localName should be curveMember or curveMembers'); ol.xml.parseNode(this.CURVEMEMBER_PARSERS_, node, objectStack, this); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.GML3.prototype.surfaceMemberParser_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'surfaceMember' || node.localName == 'surfaceMembers', 'localName should be surfaceMember or surfaceMembers'); ol.xml.parseNode(this.SURFACEMEMBER_PARSERS_, node, objectStack, this); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {Array.<(Array.<number>)>|undefined} flat coordinates. */ ol.format.GML3.prototype.readPatch_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'patches', 'localName should be patches'); return ol.xml.pushParseAndPop([null], this.PATCHES_PARSERS_, node, objectStack, this); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {Array.<number>|undefined} flat coordinates. */ ol.format.GML3.prototype.readSegment_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'segments', 'localName should be segments'); return ol.xml.pushParseAndPop([null], this.SEGMENTS_PARSERS_, node, objectStack, this); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {Array.<(Array.<number>)>|undefined} flat coordinates. */ ol.format.GML3.prototype.readPolygonPatch_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'npde.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'PolygonPatch', 'localName should be PolygonPatch'); return ol.xml.pushParseAndPop([null], this.FLAT_LINEAR_RINGS_PARSERS_, node, objectStack, this); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {Array.<number>|undefined} flat coordinates. */ ol.format.GML3.prototype.readLineStringSegment_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'LineStringSegment', 'localName should be LineStringSegment'); return ol.xml.pushParseAndPop([null], this.GEOMETRY_FLAT_COORDINATES_PARSERS_, node, objectStack, this); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.GML3.prototype.interiorParser_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'interior', 'localName should be interior'); /** @type {Array.<number>|undefined} */ var flatLinearRing = ol.xml.pushParseAndPop(undefined, this.RING_PARSERS, node, objectStack, this); if (flatLinearRing) { var flatLinearRings = /** @type {Array.<Array.<number>>} */ (objectStack[objectStack.length - 1]); ol.DEBUG && console.assert(Array.isArray(flatLinearRings), 'flatLinearRings should be an array'); ol.DEBUG && console.assert(flatLinearRings.length > 0, 'flatLinearRings should have an array length of 1 or more'); flatLinearRings.push(flatLinearRing); } }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private */ ol.format.GML3.prototype.exteriorParser_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'exterior', 'localName should be exterior'); /** @type {Array.<number>|undefined} */ var flatLinearRing = ol.xml.pushParseAndPop(undefined, this.RING_PARSERS, node, objectStack, this); if (flatLinearRing) { var flatLinearRings = /** @type {Array.<Array.<number>>} */ (objectStack[objectStack.length - 1]); ol.DEBUG && console.assert(Array.isArray(flatLinearRings), 'flatLinearRings should be an array'); ol.DEBUG && console.assert(flatLinearRings.length > 0, 'flatLinearRings should have an array length of 1 or more'); flatLinearRings[0] = flatLinearRing; } }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {ol.geom.Polygon|undefined} Polygon. */ ol.format.GML3.prototype.readSurface_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'Surface', 'localName should be Surface'); /** @type {Array.<Array.<number>>} */ var flatLinearRings = ol.xml.pushParseAndPop([null], this.SURFACE_PARSERS_, node, objectStack, this); if (flatLinearRings && flatLinearRings[0]) { var polygon = new ol.geom.Polygon(null); var flatCoordinates = flatLinearRings[0]; var ends = [flatCoordinates.length]; var i, ii; for (i = 1, ii = flatLinearRings.length; i < ii; ++i) { ol.array.extend(flatCoordinates, flatLinearRings[i]); ends.push(flatCoordinates.length); } polygon.setFlatCoordinates( ol.geom.GeometryLayout.XYZ, flatCoordinates, ends); return polygon; } else { return undefined; } }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {ol.geom.LineString|undefined} LineString. */ ol.format.GML3.prototype.readCurve_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'Curve', 'localName should be Curve'); /** @type {Array.<number>} */ var flatCoordinates = ol.xml.pushParseAndPop([null], this.CURVE_PARSERS_, node, objectStack, this); if (flatCoordinates) { var lineString = new ol.geom.LineString(null); lineString.setFlatCoordinates(ol.geom.GeometryLayout.XYZ, flatCoordinates); return lineString; } else { return undefined; } }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {ol.Extent|undefined} Envelope. */ ol.format.GML3.prototype.readEnvelope_ = function(node, objectStack) { ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE, 'node.nodeType should be ELEMENT'); ol.DEBUG && console.assert(node.localName == 'Envelope', 'localName should be Envelope'); /** @type {Array.<number>} */ var flatCoordinates = ol.xml.pushParseAndPop([null], this.ENVELOPE_PARSERS_, node, objectStack, this); return ol.extent.createOrUpdate(flatCoordinates[1][0], flatCoordinates[1][1], flatCoordinates[2][0], flatCoordinates[2][1]); }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {Array.<number>|undefined} Flat coordinates. */ ol.format.GML3.prototype.readFlatPos_ = function(node, objectStack) { var s = ol.xml.getAllTextContent(node, false); var re = /^\s*([+\-]?\d*\.?\d+(?:[eE][+\-]?\d+)?)\s*/; /** @type {Array.<number>} */ var flatCoordinates = []; var m; while ((m = re.exec(s))) { flatCoordinates.push(parseFloat(m[1])); s = s.substr(m[0].length); } if (s !== '') { return undefined; } var context = objectStack[0]; var containerSrs = context['srsName']; var axisOrientation = 'enu'; if (containerSrs) { var proj = ol.proj.get(containerSrs); axisOrientation = proj.getAxisOrientation(); } if (axisOrientation === 'neu') { var i, ii; for (i = 0, ii = flatCoordinates.length; i < ii; i += 3) { var y = flatCoordinates[i]; var x = flatCoordinates[i + 1]; flatCoordinates[i] = x; flatCoordinates[i + 1] = y; } } var len = flatCoordinates.length; if (len == 2) { flatCoordinates.push(0); } if (len === 0) { return undefined; } return flatCoordinates; }; /** * @param {Node} node Node. * @param {Array.<*>} objectStack Object stack. * @private * @return {Array.<number>|undefined} Flat coordinates. */ ol.format.GML3.prototype.readFlatPosList_ = function(node, objectStack) { var s = ol.xml.getAllTextContent(node, false).replace(/^\s*|\s*$/g, ''); var context = objectStack[0]; var containerSrs = context['srsName']; var containerDimension = node.parentNode.getAttribute('srsDimension'); var axisOrientation = 'enu'; if (containerSrs) { var proj = ol.proj.get(containerSrs); axisOrientation = proj.getAxisOrientation(); } var coords = s.split(/\s+/); // The "dimension" attribute is from the GML 3.0.1 spec. var dim = 2; if (node.getAttribute('srsDimension')) { dim = ol.format.XSD.readNonNegativeIntegerString( node.getAttribute('srsDimension')); } else if (node.getAttribute('dimension')) { dim = ol.format.XSD.readNonNegativeIntegerString( node.getAttribute('dimension')); } else if (containerDimension) { dim = ol.format.XSD.readNonNegativeIntegerString(containerDimension); } var x, y, z; var flatCoordinates = []; for (var i = 0, ii = coords.length; i < ii; i += dim) { x = parseFloat(coords[i]); y = parseFloat(coords[i + 1]); z = (dim === 3) ? parseFloat(coords[i + 2]) : 0; if (axisOrientation.substr(0, 2) === 'en') { flatCoordinates.push(x, y, z); } else { flatCoordinates.push(y, x, z); } } return flatCoordinates; }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.GEOMETRY_FLAT_COORDINATES_PARSERS_ = { 'http://www.opengis.net/gml' : { 'pos': ol.xml.makeReplacer(ol.format.GML3.prototype.readFlatPos_), 'posList': ol.xml.makeReplacer(ol.format.GML3.prototype.readFlatPosList_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.FLAT_LINEAR_RINGS_PARSERS_ = { 'http://www.opengis.net/gml' : { 'interior': ol.format.GML3.prototype.interiorParser_, 'exterior': ol.format.GML3.prototype.exteriorParser_ } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.GEOMETRY_PARSERS_ = { 'http://www.opengis.net/gml' : { 'Point': ol.xml.makeReplacer(ol.format.GMLBase.prototype.readPoint), 'MultiPoint': ol.xml.makeReplacer( ol.format.GMLBase.prototype.readMultiPoint), 'LineString': ol.xml.makeReplacer( ol.format.GMLBase.prototype.readLineString), 'MultiLineString': ol.xml.makeReplacer( ol.format.GMLBase.prototype.readMultiLineString), 'LinearRing' : ol.xml.makeReplacer( ol.format.GMLBase.prototype.readLinearRing), 'Polygon': ol.xml.makeReplacer(ol.format.GMLBase.prototype.readPolygon), 'MultiPolygon': ol.xml.makeReplacer( ol.format.GMLBase.prototype.readMultiPolygon), 'Surface': ol.xml.makeReplacer(ol.format.GML3.prototype.readSurface_), 'MultiSurface': ol.xml.makeReplacer( ol.format.GML3.prototype.readMultiSurface_), 'Curve': ol.xml.makeReplacer(ol.format.GML3.prototype.readCurve_), 'MultiCurve': ol.xml.makeReplacer( ol.format.GML3.prototype.readMultiCurve_), 'Envelope': ol.xml.makeReplacer(ol.format.GML3.prototype.readEnvelope_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.MULTICURVE_PARSERS_ = { 'http://www.opengis.net/gml' : { 'curveMember': ol.xml.makeArrayPusher( ol.format.GML3.prototype.curveMemberParser_), 'curveMembers': ol.xml.makeArrayPusher( ol.format.GML3.prototype.curveMemberParser_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.MULTISURFACE_PARSERS_ = { 'http://www.opengis.net/gml' : { 'surfaceMember': ol.xml.makeArrayPusher( ol.format.GML3.prototype.surfaceMemberParser_), 'surfaceMembers': ol.xml.makeArrayPusher( ol.format.GML3.prototype.surfaceMemberParser_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.CURVEMEMBER_PARSERS_ = { 'http://www.opengis.net/gml' : { 'LineString': ol.xml.makeArrayPusher( ol.format.GMLBase.prototype.readLineString), 'Curve': ol.xml.makeArrayPusher(ol.format.GML3.prototype.readCurve_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.SURFACEMEMBER_PARSERS_ = { 'http://www.opengis.net/gml' : { 'Polygon': ol.xml.makeArrayPusher(ol.format.GMLBase.prototype.readPolygon), 'Surface': ol.xml.makeArrayPusher(ol.format.GML3.prototype.readSurface_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.SURFACE_PARSERS_ = { 'http://www.opengis.net/gml' : { 'patches': ol.xml.makeReplacer(ol.format.GML3.prototype.readPatch_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.CURVE_PARSERS_ = { 'http://www.opengis.net/gml' : { 'segments': ol.xml.makeReplacer(ol.format.GML3.prototype.readSegment_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.ENVELOPE_PARSERS_ = { 'http://www.opengis.net/gml' : { 'lowerCorner': ol.xml.makeArrayPusher( ol.format.GML3.prototype.readFlatPosList_), 'upperCorner': ol.xml.makeArrayPusher( ol.format.GML3.prototype.readFlatPosList_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.PATCHES_PARSERS_ = { 'http://www.opengis.net/gml' : { 'PolygonPatch': ol.xml.makeReplacer( ol.format.GML3.prototype.readPolygonPatch_) } }; /** * @const * @type {Object.<string, Object.<string, ol.XmlParser>>} * @private */ ol.format.GML3.prototype.SEGMENTS_PARSERS_ = { 'http://www.opengis.net/gml' : { 'LineStringSegment': ol.xml.makeReplacer( ol.format.GML3.prototype.readLineStringSegment_) } }; /** * @param {Node} node Node. * @param {ol.geom.Point} value Point geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writePos_ = function(node, value, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; var axisOrientation = 'enu'; if (srsName) { axisOrientation = ol.proj.get(srsName).getAxisOrientation(); } var point = value.getCoordinates(); var coords; // only 2d for simple features profile if (axisOrientation.substr(0, 2) === 'en') { coords = (point[0] + ' ' + point[1]); } else { coords = (point[1] + ' ' + point[0]); } ol.format.XSD.writeStringTextNode(node, coords); }; /** * @param {Array.<number>} point Point geometry. * @param {string=} opt_srsName Optional srsName * @return {string} The coords string. * @private */ ol.format.GML3.prototype.getCoords_ = function(point, opt_srsName) { var axisOrientation = 'enu'; if (opt_srsName) { axisOrientation = ol.proj.get(opt_srsName).getAxisOrientation(); } return ((axisOrientation.substr(0, 2) === 'en') ? point[0] + ' ' + point[1] : point[1] + ' ' + point[0]); }; /** * @param {Node} node Node. * @param {ol.geom.LineString|ol.geom.LinearRing} value Geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writePosList_ = function(node, value, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; // only 2d for simple features profile var points = value.getCoordinates(); var len = points.length; var parts = new Array(len); var point; for (var i = 0; i < len; ++i) { point = points[i]; parts[i] = this.getCoords_(point, srsName); } ol.format.XSD.writeStringTextNode(node, parts.join(' ')); }; /** * @param {Node} node Node. * @param {ol.geom.Point} geometry Point geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writePoint_ = function(node, geometry, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; if (srsName) { node.setAttribute('srsName', srsName); } var pos = ol.xml.createElementNS(node.namespaceURI, 'pos'); node.appendChild(pos); this.writePos_(pos, geometry, objectStack); }; /** * @type {Object.<string, Object.<string, ol.XmlSerializer>>} * @private */ ol.format.GML3.ENVELOPE_SERIALIZERS_ = { 'http://www.opengis.net/gml': { 'lowerCorner': ol.xml.makeChildAppender(ol.format.XSD.writeStringTextNode), 'upperCorner': ol.xml.makeChildAppender(ol.format.XSD.writeStringTextNode) } }; /** * @param {Node} node Node. * @param {ol.Extent} extent Extent. * @param {Array.<*>} objectStack Node stack. */ ol.format.GML3.prototype.writeEnvelope = function(node, extent, objectStack) { ol.DEBUG && console.assert(extent.length == 4, 'extent should have 4 items'); var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; if (srsName) { node.setAttribute('srsName', srsName); } var keys = ['lowerCorner', 'upperCorner']; var values = [extent[0] + ' ' + extent[1], extent[2] + ' ' + extent[3]]; ol.xml.pushSerializeAndPop(/** @type {ol.XmlNodeStackItem} */ ({node: node}), ol.format.GML3.ENVELOPE_SERIALIZERS_, ol.xml.OBJECT_PROPERTY_NODE_FACTORY, values, objectStack, keys, this); }; /** * @param {Node} node Node. * @param {ol.geom.LinearRing} geometry LinearRing geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeLinearRing_ = function(node, geometry, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; if (srsName) { node.setAttribute('srsName', srsName); } var posList = ol.xml.createElementNS(node.namespaceURI, 'posList'); node.appendChild(posList); this.writePosList_(posList, geometry, objectStack); }; /** * @param {*} value Value. * @param {Array.<*>} objectStack Object stack. * @param {string=} opt_nodeName Node name. * @return {Node} Node. * @private */ ol.format.GML3.prototype.RING_NODE_FACTORY_ = function(value, objectStack, opt_nodeName) { var context = objectStack[objectStack.length - 1]; var parentNode = context.node; var exteriorWritten = context['exteriorWritten']; if (exteriorWritten === undefined) { context['exteriorWritten'] = true; } return ol.xml.createElementNS(parentNode.namespaceURI, exteriorWritten !== undefined ? 'interior' : 'exterior'); }; /** * @param {Node} node Node. * @param {ol.geom.Polygon} geometry Polygon geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeSurfaceOrPolygon_ = function(node, geometry, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; if (node.nodeName !== 'PolygonPatch' && srsName) { node.setAttribute('srsName', srsName); } if (node.nodeName === 'Polygon' || node.nodeName === 'PolygonPatch') { var rings = geometry.getLinearRings(); ol.xml.pushSerializeAndPop( {node: node, srsName: srsName}, ol.format.GML3.RING_SERIALIZERS_, this.RING_NODE_FACTORY_, rings, objectStack, undefined, this); } else if (node.nodeName === 'Surface') { var patches = ol.xml.createElementNS(node.namespaceURI, 'patches'); node.appendChild(patches); this.writeSurfacePatches_( patches, geometry, objectStack); } }; /** * @param {Node} node Node. * @param {ol.geom.LineString} geometry LineString geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeCurveOrLineString_ = function(node, geometry, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; if (node.nodeName !== 'LineStringSegment' && srsName) { node.setAttribute('srsName', srsName); } if (node.nodeName === 'LineString' || node.nodeName === 'LineStringSegment') { var posList = ol.xml.createElementNS(node.namespaceURI, 'posList'); node.appendChild(posList); this.writePosList_(posList, geometry, objectStack); } else if (node.nodeName === 'Curve') { var segments = ol.xml.createElementNS(node.namespaceURI, 'segments'); node.appendChild(segments); this.writeCurveSegments_(segments, geometry, objectStack); } }; /** * @param {Node} node Node. * @param {ol.geom.MultiPolygon} geometry MultiPolygon geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeMultiSurfaceOrPolygon_ = function(node, geometry, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; var surface = context['surface']; if (srsName) { node.setAttribute('srsName', srsName); } var polygons = geometry.getPolygons(); ol.xml.pushSerializeAndPop({node: node, srsName: srsName, surface: surface}, ol.format.GML3.SURFACEORPOLYGONMEMBER_SERIALIZERS_, this.MULTIGEOMETRY_MEMBER_NODE_FACTORY_, polygons, objectStack, undefined, this); }; /** * @param {Node} node Node. * @param {ol.geom.MultiPoint} geometry MultiPoint geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeMultiPoint_ = function(node, geometry, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; if (srsName) { node.setAttribute('srsName', srsName); } var points = geometry.getPoints(); ol.xml.pushSerializeAndPop({node: node, srsName: srsName}, ol.format.GML3.POINTMEMBER_SERIALIZERS_, ol.xml.makeSimpleNodeFactory('pointMember'), points, objectStack, undefined, this); }; /** * @param {Node} node Node. * @param {ol.geom.MultiLineString} geometry MultiLineString geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeMultiCurveOrLineString_ = function(node, geometry, objectStack) { var context = objectStack[objectStack.length - 1]; var srsName = context['srsName']; var curve = context['curve']; if (srsName) { node.setAttribute('srsName', srsName); } var lines = geometry.getLineStrings(); ol.xml.pushSerializeAndPop({node: node, srsName: srsName, curve: curve}, ol.format.GML3.LINESTRINGORCURVEMEMBER_SERIALIZERS_, this.MULTIGEOMETRY_MEMBER_NODE_FACTORY_, lines, objectStack, undefined, this); }; /** * @param {Node} node Node. * @param {ol.geom.LinearRing} ring LinearRing geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeRing_ = function(node, ring, objectStack) { var linearRing = ol.xml.createElementNS(node.namespaceURI, 'LinearRing'); node.appendChild(linearRing); this.writeLinearRing_(linearRing, ring, objectStack); }; /** * @param {Node} node Node. * @param {ol.geom.Polygon} polygon Polygon geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeSurfaceOrPolygonMember_ = function(node, polygon, objectStack) { var child = this.GEOMETRY_NODE_FACTORY_( polygon, objectStack); if (child) { node.appendChild(child); this.writeSurfaceOrPolygon_(child, polygon, objectStack); } }; /** * @param {Node} node Node. * @param {ol.geom.Point} point Point geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writePointMember_ = function(node, point, objectStack) { var child = ol.xml.createElementNS(node.namespaceURI, 'Point'); node.appendChild(child); this.writePoint_(child, point, objectStack); }; /** * @param {Node} node Node. * @param {ol.geom.LineString} line LineString geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeLineStringOrCurveMember_ = function(node, line, objectStack) { var child = this.GEOMETRY_NODE_FACTORY_(line, objectStack); if (child) { node.appendChild(child); this.writeCurveOrLineString_(child, line, objectStack); } }; /** * @param {Node} node Node. * @param {ol.geom.Polygon} polygon Polygon geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeSurfacePatches_ = function(node, polygon, objectStack) { var child = ol.xml.createElementNS(node.namespaceURI, 'PolygonPatch'); node.appendChild(child); this.writeSurfaceOrPolygon_(child, polygon, objectStack); }; /** * @param {Node} node Node. * @param {ol.geom.LineString} line LineString geometry. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeCurveSegments_ = function(node, line, objectStack) { var child = ol.xml.createElementNS(node.namespaceURI, 'LineStringSegment'); node.appendChild(child); this.writeCurveOrLineString_(child, line, objectStack); }; /** * @param {Node} node Node. * @param {ol.geom.Geometry|ol.Extent} geometry Geometry. * @param {Array.<*>} objectStack Node stack. */ ol.format.GML3.prototype.writeGeometryElement = function(node, geometry, objectStack) { var context = /** @type {olx.format.WriteOptions} */ (objectStack[objectStack.length - 1]); var item = ol.obj.assign({}, context); item.node = node; var value; if (Array.isArray(geometry)) { if (context.dataProjection) { value = ol.proj.transformExtent( geometry, context.featureProjection, context.dataProjection); } else { value = geometry; } } else { value = ol.format.Feature.transformWithOptions(/** @type {ol.geom.Geometry} */ (geometry), true, context); } ol.xml.pushSerializeAndPop(/** @type {ol.XmlNodeStackItem} */ (item), ol.format.GML3.GEOMETRY_SERIALIZERS_, this.GEOMETRY_NODE_FACTORY_, [value], objectStack, undefined, this); }; /** * @param {Node} node Node. * @param {ol.Feature} feature Feature. * @param {Array.<*>} objectStack Node stack. */ ol.format.GML3.prototype.writeFeatureElement = function(node, feature, objectStack) { var fid = feature.getId(); if (fid) { node.setAttribute('fid', fid); } var context = /** @type {Object} */ (objectStack[objectStack.length - 1]); var featureNS = context['featureNS']; var geometryName = feature.getGeometryName(); if (!context.serializers) { context.serializers = {}; context.serializers[featureNS] = {}; } var properties = feature.getProperties(); var keys = [], values = []; for (var key in properties) { var value = properties[key]; if (value !== null) { keys.push(key); values.push(value); if (key == geometryName || value instanceof ol.geom.Geometry) { if (!(key in context.serializers[featureNS])) { context.serializers[featureNS][key] = ol.xml.makeChildAppender( this.writeGeometryElement, this); } } else { if (!(key in context.serializers[featureNS])) { context.serializers[featureNS][key] = ol.xml.makeChildAppender( ol.format.XSD.writeStringTextNode); } } } } var item = ol.obj.assign({}, context); item.node = node; ol.xml.pushSerializeAndPop(/** @type {ol.XmlNodeStackItem} */ (item), context.serializers, ol.xml.makeSimpleNodeFactory(undefined, featureNS), values, objectStack, keys); }; /** * @param {Node} node Node. * @param {Array.<ol.Feature>} features Features. * @param {Array.<*>} objectStack Node stack. * @private */ ol.format.GML3.prototype.writeFeatureMembers_ = function(node, features, objectStack) { var context = /** @type {Object} */ (objectStack[objectStack.length - 1]); var featureType = context['featureType']; var featureNS = context['featureNS']; var serializers = {}; serializers[featureNS] = {}; serializers[featureNS][featureType] = ol.xml.makeChildAppender( this.writeFeatureElement, this); var item = ol.obj.assign({}, context); item.node = node; ol.xml.pushSerializeAndPop(/** @type {ol.XmlNodeStackItem} */ (item), serializers, ol.xml.makeSimpleNodeFactory(featureType, featureNS), features, objectStack); }; /** * @type {Object.<string, Object.<string, ol.XmlSerializer>>} * @private */ ol.format.GML3.SURFACEORPOLYGONMEMBER_SERIALIZERS_ = { 'http://www.opengis.net/gml': { 'surfaceMember': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeSurfaceOrPolygonMember_), 'polygonMember': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeSurfaceOrPolygonMember_) } }; /** * @type {Object.<string, Object.<string, ol.XmlSerializer>>} * @private */ ol.format.GML3.POINTMEMBER_SERIALIZERS_ = { 'http://www.opengis.net/gml': { 'pointMember': ol.xml.makeChildAppender( ol.format.GML3.prototype.writePointMember_) } }; /** * @type {Object.<string, Object.<string, ol.XmlSerializer>>} * @private */ ol.format.GML3.LINESTRINGORCURVEMEMBER_SERIALIZERS_ = { 'http://www.opengis.net/gml': { 'lineStringMember': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeLineStringOrCurveMember_), 'curveMember': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeLineStringOrCurveMember_) } }; /** * @type {Object.<string, Object.<string, ol.XmlSerializer>>} * @private */ ol.format.GML3.RING_SERIALIZERS_ = { 'http://www.opengis.net/gml': { 'exterior': ol.xml.makeChildAppender(ol.format.GML3.prototype.writeRing_), 'interior': ol.xml.makeChildAppender(ol.format.GML3.prototype.writeRing_) } }; /** * @type {Object.<string, Object.<string, ol.XmlSerializer>>} * @private */ ol.format.GML3.GEOMETRY_SERIALIZERS_ = { 'http://www.opengis.net/gml': { 'Curve': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeCurveOrLineString_), 'MultiCurve': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeMultiCurveOrLineString_), 'Point': ol.xml.makeChildAppender(ol.format.GML3.prototype.writePoint_), 'MultiPoint': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeMultiPoint_), 'LineString': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeCurveOrLineString_), 'MultiLineString': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeMultiCurveOrLineString_), 'LinearRing': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeLinearRing_), 'Polygon': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeSurfaceOrPolygon_), 'MultiPolygon': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeMultiSurfaceOrPolygon_), 'Surface': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeSurfaceOrPolygon_), 'MultiSurface': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeMultiSurfaceOrPolygon_), 'Envelope': ol.xml.makeChildAppender( ol.format.GML3.prototype.writeEnvelope) } }; /** * @const * @type {Object.<string, string>} * @private */ ol.format.GML3.MULTIGEOMETRY_TO_MEMBER_NODENAME_ = { 'MultiLineString': 'lineStringMember', 'MultiCurve': 'curveMember', 'MultiPolygon': 'polygonMember', 'MultiSurface': 'surfaceMember' }; /** * @const * @param {*} value Value. * @param {Array.<*>} objectStack Object stack. * @param {string=} opt_nodeName Node name. * @return {Node|undefined} Node. * @private */ ol.format.GML3.prototype.MULTIGEOMETRY_MEMBER_NODE_FACTORY_ = function(value, objectStack, opt_nodeName) { var parentNode = objectStack[objectStack.length - 1].node; ol.DEBUG && console.assert(ol.xml.isNode(parentNode), 'parentNode should be a node'); return ol.xml.createElementNS('http://www.opengis.net/gml', ol.format.GML3.MULTIGEOMETRY_TO_MEMBER_NODENAME_[parentNode.nodeName]); }; /** * @const * @param {*} value Value. * @param {Array.<*>} objectStack Object stack. * @param {string=} opt_nodeName Node name. * @return {Node|undefined} Node. * @private */ ol.format.GML3.prototype.GEOMETRY_NODE_FACTORY_ = function(value, objectStack, opt_nodeName) { var context = objectStack[objectStack.length - 1]; var multiSurface = context['multiSurface']; var surface = context['surface']; var curve = context['curve']; var multiCurve = context['multiCurve']; var parentNode = objectStack[objectStack.length - 1].node; ol.DEBUG && console.assert(ol.xml.isNode(parentNode), 'parentNode should be a node'); var nodeName; if (!Array.isArray(value)) { nodeName = /** @type {ol.geom.Geometry} */ (value).getType(); if (nodeName === 'MultiPolygon' && multiSurface === true) { nodeName = 'MultiSurface'; } else if (nodeName === 'Polygon' && surface === true) { nodeName = 'Surface'; } else if (nodeName === 'LineString' && curve === true) { nodeName = 'Curve'; } else if (nodeName === 'MultiLineString' && multiCurve === true) { nodeName = 'MultiCurve'; } } else { nodeName = 'Envelope'; } return ol.xml.createElementNS('http://www.opengis.net/gml', nodeName); }; /** * Encode a geometry in GML 3.1.1 Simple Features. * * @param {ol.geom.Geometry} geometry Geometry. * @param {olx.format.WriteOptions=} opt_options Options. * @return {Node} Node. * @api */ ol.format.GML3.prototype.writeGeometryNode = function(geometry, opt_options) { opt_options = this.adaptOptions(opt_options); var geom = ol.xml.createElementNS('http://www.opengis.net/gml', 'geom'); var context = {node: geom, srsName: this.srsName, curve: this.curve_, surface: this.surface_, multiSurface: this.multiSurface_, multiCurve: this.multiCurve_}; if (opt_options) { ol.obj.assign(context, opt_options); } this.writeGeometryElement(geom, geometry, [context]); return geom; }; /** * Encode an array of features in GML 3.1.1 Simple Features. * * @function * @param {Array.<ol.Feature>} features Features. * @param {olx.format.WriteOptions=} opt_options Options. * @return {string} Result. * @api stable */ ol.format.GML3.prototype.writeFeatures; /** * Encode an array of features in the GML 3.1.1 format as an XML node. * * @param {Array.<ol.Feature>} features Features. * @param {olx.format.WriteOptions=} opt_options Options. * @return {Node} Node. * @api */ ol.format.GML3.prototype.writeFeaturesNode = function(features, opt_options) { opt_options = this.adaptOptions(opt_options); var node = ol.xml.createElementNS('http://www.opengis.net/gml', 'featureMembers'); ol.xml.setAttributeNS(node, 'http://www.w3.org/2001/XMLSchema-instance', 'xsi:schemaLocation', this.schemaLocation); var context = { srsName: this.srsName, curve: this.curve_, surface: this.surface_, multiSurface: this.multiSurface_, multiCurve: this.multiCurve_, featureNS: this.featureNS, featureType: this.featureType }; if (opt_options) { ol.obj.assign(context, opt_options); } this.writeFeatureMembers_(node, features, [context]); return node; };