--- a/labs/openlayers/lib/OpenLayers/Format/WMC.js
+++ b/labs/openlayers/lib/OpenLayers/Format/WMC.js
@@ -1,1 +1,153 @@
+/* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for 
+ * full list of contributors). Published under the Clear BSD license.  
+ * See http://svn.openlayers.org/trunk/openlayers/license.txt for the
+ * full text of the license. */
 
+/**
+ * @requires OpenLayers/Format/XML.js
+ * @requires OpenLayers/Format/Context.js
+ */
+
+/**
+ * Class: OpenLayers.Format.WMC
+ * Read and write Web Map Context documents.
+ *
+ * Inherits from:
+ *  - <OpenLayers.Format.XML>
+ */
+OpenLayers.Format.WMC = OpenLayers.Class(OpenLayers.Format.Context, {
+    
+    /**
+     * APIProperty: defaultVersion
+     * {String} Version number to assume if none found.  Default is "1.1.0".
+     */
+    defaultVersion: "1.1.0",
+    
+    /**
+     * Method: getParser
+     * Get the WMC parser given a version. Create a new parser if it does not
+     * already exist.
+     *
+     * Parameters:
+     * version - {String} The version of the parser.
+     *
+     * Returns:
+     * {<OpenLayers.Format.WMC.v1>} A WMC parser.
+     */
+    getParser: function(version) {
+        var v = version || this.version || this.defaultVersion;
+        if(!this.parser || this.parser.VERSION != v) {
+            var format = OpenLayers.Format.WMC[
+                "v" + v.replace(/\./g, "_")
+            ];
+            if(!format) {
+                throw "Can't find a WMC parser for version " + v;
+            }
+            this.parser = new format(this.options);
+        }
+        return this.parser;
+    },
+
+    /**
+     * Method: layerToContext
+     * Create a layer context object given a wms layer object.
+     *
+     * Parameters:
+     * obj - {<OpenLayers.Layer.WMS>} The layer.
+     *
+     * Returns:
+     * {Object} A layer context object.
+     */
+    layerToContext: function(layer) {
+        var parser = this.getParser();
+        var layerContext = {
+            queryable: layer.queryable,
+            visibility: layer.visibility,
+            name: layer.params["LAYERS"],
+            title: layer.name,
+            metadataURL: layer.metadataURL,
+            version: layer.params["VERSION"],
+            url: layer.url,
+            maxExtent: layer.maxExtent,
+            transparent: layer.params["TRANSPARENT"],
+            numZoomLevels: layer.numZoomLevels,
+            units: layer.units,
+            isBaseLayer: layer.isBaseLayer,
+            opacity: layer.opacity,
+            displayInLayerSwitcher: layer.displayInLayerSwitcher,
+            singleTile: layer.singleTile,
+            tileSize: (layer.singleTile || !layer.tileSize) ? 
+                undefined : {width: layer.tileSize.w, height: layer.tileSize.h},
+            minScale : (layer.options.resolutions ||
+                        layer.options.scales || 
+                        layer.options.maxResolution || 
+                        layer.options.minScale) ? 
+                        layer.minScale : undefined,
+            maxScale : (layer.options.resolutions ||
+                        layer.options.scales || 
+                        layer.options.minResolution || 
+                        layer.options.maxScale) ? 
+                        layer.maxScale : undefined,
+            formats: [{
+                value: layer.params["FORMAT"],
+                current: true
+            }],
+            styles: [{
+                href: layer.params["SLD"],
+                body: layer.params["SLD_BODY"],
+                name: layer.params["STYLES"] || parser.defaultStyleName,
+                title: parser.defaultStyleTitle,
+                current: true
+            }]
+        };
+        return layerContext;
+    },
+    
+    /**
+     * Method: toContext
+     * Create a context object free from layer given a map or a
+     * context object.
+     *
+     * Parameters:
+     * obj - {<OpenLayers.Map> | Object} The map or context.
+     *
+     * Returns:
+     * {Object} A context object.
+     */
+    toContext: function(obj) {
+        var context = {};
+        var layers = obj.layers;
+        if(obj.CLASS_NAME == "OpenLayers.Map") {
+            context.bounds = obj.getExtent();
+            context.maxExtent = obj.maxExtent;
+            context.projection = obj.projection;
+            context.size = obj.getSize();
+        }
+        else {
+            // copy all obj properties except the "layers" property
+            OpenLayers.Util.applyDefaults(context, obj);
+            if(context.layers != undefined) {
+                delete(context.layers);
+            }
+        }
+
+        if (context.layersContext == undefined) {
+            context.layersContext = [];
+        }
+
+        // let's convert layers into layersContext object (if any)
+        if (layers != undefined && layers instanceof Array) {
+            for (var i=0, len=layers.length; i<len; i++) {
+                var layer = layers[i];
+                if(layer instanceof OpenLayers.Layer.WMS) {
+                    context.layersContext.push(this.layerToContext(layer));
+                }
+            }
+        }
+        return context;
+    },
+
+    CLASS_NAME: "OpenLayers.Format.WMC" 
+
+});
+