Move ol/format/wmsgetfeatureinfoformat.js to ol/format/wmsgetfeatureinfo.js

2016-08-06 11:31:27 -06:00
parent e0adcc0175
commit a1e06297ab
1 changed files with 0 additions and 0 deletions
--- a/src/ol/format/wmsgetfeatureinfo.js
+++ b/src/ol/format/wmsgetfeatureinfo.js
@@ -0,0 +1,153 @@
+goog.provide('ol.format.WMSGetFeatureInfo');
+
+goog.require('ol.array');
+goog.require('ol.format.GML2');
+goog.require('ol.format.XMLFeature');
+goog.require('ol.object');
+goog.require('ol.xml');
+
+
+/**
+ * @classdesc
+ * Format for reading WMSGetFeatureInfo format. It uses
+ * {@link ol.format.GML2} to read features.
+ *
+ * @constructor
+ * @extends {ol.format.XMLFeature}
+ * @param {olx.format.WMSGetFeatureInfoOptions=} opt_options Options.
+ * @api
+ */
+ol.format.WMSGetFeatureInfo = function(opt_options) {
+
+  var options = opt_options ? opt_options : {};
+
+  /**
+   * @private
+   * @type {string}
+   */
+  this.featureNS_ = 'http://mapserver.gis.umn.edu/mapserver';
+
+
+  /**
+   * @private
+   * @type {ol.format.GML2}
+   */
+  this.gmlFormat_ = new ol.format.GML2();
+
+
+  /**
+   * @private
+   * @type {Array.<string>}
+   */
+  this.layers_ = options.layers ? options.layers : null;
+
+  ol.format.XMLFeature.call(this);
+};
+ol.inherits(ol.format.WMSGetFeatureInfo, ol.format.XMLFeature);
+
+
+/**
+ * @const
+ * @type {string}
+ * @private
+ */
+ol.format.WMSGetFeatureInfo.featureIdentifier_ = '_feature';
+
+
+/**
+ * @const
+ * @type {string}
+ * @private
+ */
+ol.format.WMSGetFeatureInfo.layerIdentifier_ = '_layer';
+
+
+/**
+ * @param {Node} node Node.
+ * @param {Array.<*>} objectStack Object stack.
+ * @return {Array.<ol.Feature>} Features.
+ * @private
+ */
+ol.format.WMSGetFeatureInfo.prototype.readFeatures_ = function(node, objectStack) {
+
+  node.setAttribute('namespaceURI', this.featureNS_);
+  goog.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE,
+      'node.nodeType should be ELEMENT');
+  var localName = node.localName;
+  /** @type {Array.<ol.Feature>} */
+  var features = [];
+  if (node.childNodes.length === 0) {
+    return features;
+  }
+  if (localName == 'msGMLOutput') {
+    for (var i = 0, ii = node.childNodes.length; i < ii; i++) {
+      var layer = node.childNodes[i];
+      if (layer.nodeType !== Node.ELEMENT_NODE) {
+        continue;
+      }
+      var context = objectStack[0];
+
+      goog.DEBUG && console.assert(layer.localName.indexOf(
+          ol.format.WMSGetFeatureInfo.layerIdentifier_) >= 0,
+          'localName of layer node should match layerIdentifier');
+
+      var toRemove = ol.format.WMSGetFeatureInfo.layerIdentifier_;
+      var layerName = layer.localName.replace(toRemove, '');
+
+      if (this.layers_ && !ol.array.includes(this.layers_, layerName)) {
+        continue;
+      }
+
+      var featureType = layerName +
+          ol.format.WMSGetFeatureInfo.featureIdentifier_;
+
+      context['featureType'] = featureType;
+      context['featureNS'] = this.featureNS_;
+
+      var parsers = {};
+      parsers[featureType] = ol.xml.makeArrayPusher(
+          this.gmlFormat_.readFeatureElement, this.gmlFormat_);
+      var parsersNS = ol.xml.makeStructureNS(
+          [context['featureNS'], null], parsers);
+      layer.setAttribute('namespaceURI', this.featureNS_);
+      var layerFeatures = ol.xml.pushParseAndPop(
+          [], parsersNS, layer, objectStack, this.gmlFormat_);
+      if (layerFeatures) {
+        ol.array.extend(features, layerFeatures);
+      }
+    }
+  }
+  if (localName == 'FeatureCollection') {
+    var gmlFeatures = ol.xml.pushParseAndPop([],
+        this.gmlFormat_.FEATURE_COLLECTION_PARSERS, node,
+        [{}], this.gmlFormat_);
+    if (gmlFeatures) {
+      features = gmlFeatures;
+    }
+  }
+  return features;
+};
+
+
+/**
+ * Read all features from a WMSGetFeatureInfo response.
+ *
+ * @function
+ * @param {Document|Node|Object|string} source Source.
+ * @param {olx.format.ReadOptions=} opt_options Options.
+ * @return {Array.<ol.Feature>} Features.
+ * @api stable
+ */
+ol.format.WMSGetFeatureInfo.prototype.readFeatures;
+
+
+/**
+ * @inheritDoc
+ */
+ol.format.WMSGetFeatureInfo.prototype.readFeaturesFromNode = function(node, opt_options) {
+  var options = {};
+  if (opt_options) {
+    ol.object.assign(options, this.getReadOptions(node, opt_options));
+  }
+  return this.readFeatures_(node, [options]);
+};