Changeset 5750

Timestamp:

01/15/08 11:55:01 (1 year ago)

Author:

crschmidt

Message:

Improvements to Format class.

Files:

• sandbox/crschmidt/osm/lib/OpenLayers/Format/OSM.js (modified) (8 diffs)

sandbox/crschmidt/osm/lib/OpenLayers/Format/OSM.js

@@ -9 +9 @@
- * @requires OpenLayers/Geometry/LineString.js
- * @requires OpenLayers/Geometry/Polygon.js
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- * Class: OpenLayers.Format.OSM
-Read/write 
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- *     <OpenLayers.Format.OSM> constructor.
- *
@@ -20 +22 @@
-    
-    /**
+     * APIProperty: checkTags
+     * {Boolean} Should tags be checked to determine whether something
+     * should be treated as a seperate node. Will slow down parsing.
+     * Default is false.
+     */
+    checkTags: false,
+
+    /**
+     * Property: interestingTagsExclude
+     * {Array} List of tags to exclude from 'interesting' checks on nodes.
+     * Must be set when creating the format. Will only be used if checkTags
+     * is set.
+     */
+    interestingTagsExclude: null, 
+    
+    /**
+     * APIProperty: areaTags
+     * {Array} List of tags indicating that something is an area.  
+     * Must be set when creating the format. Will only be used if 
+     * checkTags is true.
+     */
+    areaTags: null, 
+    
+    /**
-     * Constructor: OpenLayers.Format.OSM
-     * Create a new parser for OSM.
@@ -28 +54 @@
-     */
-    initialize: function(options) {
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-    },
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@@ -46 +93 @@
-        }
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-        // first, build up a node list
-        var nodes = this.getNodes(doc);
-        var ways = this.getWays(doc);
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-        for (var i = 0; i < ways.length; i++) {
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-            for (var j = 0; j < ways[i].nodes.length; j++) {
-               var node = nodes[ways[i].nodes[j]];
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-            }
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-            feat.fid = ways[i].id;
-geom_list.push(feat)
+feat_list[i] = feat
-        } 
-        for (var node_id in nodes) {
-            var node = nodes[node_id];
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-                feat.fid = node_id; 
-geom
+feat
-            }   
-            // Memory cleanup
-            node.node = null;
-        }        
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-    getNodes: function(doc) {
-        var node_list = doc.getElementsByTagName("node");
@@ -84 +169 @@
-        for (var i = 0; i < node_list.length; i++) {
-            var node = node_list[i];
-
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-                'lat': node.getAttribute("lat"),
-                'lon': node.getAttribute("lon"),
@@ -93 +179 @@
-    },
-
+    /**
+     * Method: getWays
+     * Return the way items from a doc.  
+     *
+     * Parameters:
+     * node - {DOMElement} node to parse tags from
+     */
-    getWays: function(doc) {
-        var way_list = doc.getElementsByTagName("way");
@@ -99 +192 @@
-            var way = way_list[i];
-            var way_object = {
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-            };
-            
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-            
-            var node_list = way.getElementsByTagName("nd");
+            
+            way_object.nodes = new Array(node_list.length);
+            
-            for (var j = 0; j < node_list.length; j++) {
-.push(node_list[j].getAttribute("ref")
+[j] = node_list[j].getAttribute("ref"
-            }  
-            return_ways.push(way_object);
@@ -117 +208 @@
-        return return_ways; 
-        
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-    CLASS_NAME: "OpenLayers.Format.OSM" 
-});